minor: move recent OnAgentUpdate/OnPreAgentUpdate event doc up into IClientAPI from LLClientView

We can do this because AgentUpdate packets are handled synchronously.

.gitignore

@@ -26,9 +26,14 @@
 bin/Debug/*.dll
 bin/*.dll.mdb
 bin/*.db
+bin/*.db-journal
 bin/addin-db-*
 bin/*.dll
 bin/OpenSim.vshost.exe.config
+bin/OpenSim.32BitLaunch.vshost.exe.config
+bin/OpenSim.32BitLaunch.log
+UpgradeLog.XML
+_UpgradeReport_Files/
 bin/ScriptEngines/*-*-*-*-*
 bin/ScriptEngines/*.dll
 bin/ScriptEngines/*/*.dll
@@ -61,6 +66,7 @@ Examples/*.dll
 OpenSim.build
 OpenSim.sln
 OpenSim.suo
+OpenSim.userprefs
 Prebuild/Prebuild.build
 Prebuild/Prebuild.sln
 TestResult.xml

.nant/local.include

@@ -135,14 +135,25 @@
   <delete dir="%temp%"/>
 </target>
 
-<target name="torture" depends="build, find-nunit">
+<target name="test-stress" depends="build, find-nunit">
   <setenv name="MONO_THREADS_PER_CPU" value="100" />
 
-  <exec program="${nunitcmd}" failonerror="true" resultproperty="testresult.opensim.tests.torture">
-    <arg value="./bin/OpenSim.Tests.Torture.dll" />
+  <exec program="${nunitcmd}" failonerror="true" resultproperty="testresult.opensim.tests.stress">
+    <arg value="./bin/OpenSim.Tests.Stress.dll" />
   </exec>
 
-  <fail message="Failures reported in unit tests." unless="${int::parse(testresult.opensim.tests.torture)==0}" /> 
+  <fail message="Failures reported in stress tests." unless="${int::parse(testresult.opensim.tests.stress)==0}" /> 
+  <delete dir="%temp%"/>
+</target>
+
+<target name="test-perf" depends="build, find-nunit">
+  <setenv name="MONO_THREADS_PER_CPU" value="100" />
+
+  <exec program="${nunitcmd}" failonerror="true" resultproperty="testresult.opensim.tests.performance">
+    <arg value="./bin/OpenSim.Tests.Performance.dll" />
+  </exec>
+
+  <fail message="Failures reported in performance tests." unless="${int::parse(testresult.opensim.tests.performance)==0}" /> 
   <delete dir="%temp%"/>
 </target>
 

CONTRIBUTORS.txt

@@ -91,6 +91,7 @@ what it is today.
 * Fly-Man
 * Flyte Xevious
 * Garmin Kawaguichi
+* Gryc Ueusp
 * Imaze Rhiano
 * Intimidated
 * Jeremy Bongio (IBM)

OpenSim/ApplicationPlugins/RemoteController/RemoteAdminPlugin.cs

@@ -572,7 +572,7 @@ namespace OpenSim.ApplicationPlugins.RemoteController
 
                 region.ExternalHostName = (string) requestData["external_address"];
 
-                bool persist = Convert.ToBoolean((string) requestData["persist"]);
+                bool persist = Convert.ToBoolean(requestData["persist"]);
                 if (persist)
                 {
                     // default place for region configuration files is in the
@@ -982,8 +982,8 @@ namespace OpenSim.ApplicationPlugins.RemoteController
                     string lastName = (string) requestData["user_lastname"];
                     string password = (string) requestData["user_password"];
 
-                    uint regionXLocation = Convert.ToUInt32((Int32) requestData["start_region_x"]);
-                    uint regionYLocation = Convert.ToUInt32((Int32) requestData["start_region_y"]);
+                    uint regionXLocation = Convert.ToUInt32(requestData["start_region_x"]);
+                    uint regionYLocation = Convert.ToUInt32(requestData["start_region_y"]);
 
                     string email = ""; // empty string for email
                     if (requestData.Contains("user_email"))
@@ -1180,9 +1180,9 @@ namespace OpenSim.ApplicationPlugins.RemoteController
 
                     if (requestData.ContainsKey("user_password")) password = (string) requestData["user_password"];
                     if (requestData.ContainsKey("start_region_x"))
-                        regionXLocation = Convert.ToUInt32((Int32) requestData["start_region_x"]);
+                        regionXLocation = Convert.ToUInt32(requestData["start_region_x"]);
                     if (requestData.ContainsKey("start_region_y"))
-                        regionYLocation = Convert.ToUInt32((Int32) requestData["start_region_y"]);
+                        regionYLocation = Convert.ToUInt32(requestData["start_region_y"]);
 
             //        if (requestData.ContainsKey("start_lookat_x"))
             //            ulaX = Convert.ToUInt32((Int32) requestData["start_lookat_x"]);

OpenSim/ApplicationPlugins/Rest/Inventory/RestHandler.cs

@@ -312,14 +312,16 @@ namespace OpenSim.ApplicationPlugins.Rest.Inventory
                 // Now that everything is setup we can proceed to
                 // add THIS agent to the HTTP server's handler list
 
-                if (!AddAgentHandler(Rest.Name,this))
-                {
-                    Rest.Log.ErrorFormat("{0} Unable to activate handler interface", MsgId);
-                    foreach (IRest handler in handlers)
-                    {
-                        handler.Close();
-                    }
-                }
+                // FIXME: If this code is ever to be re-enabled (most of it is disabled already) then this will
+                // have to be handled through the AddHttpHandler interface.
+//                if (!AddAgentHandler(Rest.Name,this))
+//                {
+//                    Rest.Log.ErrorFormat("{0} Unable to activate handler interface", MsgId);
+//                    foreach (IRest handler in handlers)
+//                    {
+//                        handler.Close();
+//                    }
+//                }
 
             }
             catch (Exception e)
@@ -342,11 +344,13 @@ namespace OpenSim.ApplicationPlugins.Rest.Inventory
         {
             Rest.Log.InfoFormat("{0} Plugin is terminating", MsgId);
 
-            try
-            {
-                RemoveAgentHandler(Rest.Name, this);
-            }
-            catch (KeyNotFoundException){}
+            // FIXME: If this code is ever to be re-enabled (most of it is disabled already) then this will
+            // have to be handled through the AddHttpHandler interface.
+//            try
+//            {
+//                RemoveAgentHandler(Rest.Name, this);
+//            }
+//            catch (KeyNotFoundException){}
 
             foreach (IRest handler in handlers)
             {

OpenSim/ApplicationPlugins/Rest/RestPlugin.cs

@@ -297,7 +297,9 @@ namespace OpenSim.ApplicationPlugins.Rest
         {
             if (!IsEnabled) return false;
             _agents.Add(agentName, handler);
-            return _httpd.AddAgentHandler(agentName, handler);
+//            return _httpd.AddAgentHandler(agentName, handler);
+            
+            return false;
         }
 
         /// <summary>
@@ -316,7 +318,7 @@ namespace OpenSim.ApplicationPlugins.Rest
             if (_agents[agentName] == handler)
             {
                 _agents.Remove(agentName);
-                return _httpd.RemoveAgentHandler(agentName, handler);
+//                return _httpd.RemoveAgentHandler(agentName, handler);
             }
             return false;
         }
@@ -358,10 +360,10 @@ namespace OpenSim.ApplicationPlugins.Rest
                 _httpd.RemoveStreamHandler(h.HttpMethod, h.Path);
             }
             _handlers = null;
-            foreach (KeyValuePair<string, IHttpAgentHandler> h in _agents)
-            {
-                _httpd.RemoveAgentHandler(h.Key, h.Value);
-            }
+//            foreach (KeyValuePair<string, IHttpAgentHandler> h in _agents)
+//            {
+//                _httpd.RemoveAgentHandler(h.Key, h.Value);
+//            }
             _agents = null;
         }
 

OpenSim/Capabilities/Handlers/GetTexture/GetTextureHandler.cs

@@ -163,7 +163,7 @@ namespace OpenSim.Capabilities.Handlers
 
                 if (texture == null)
                 {
-                    //m_log.DebugFormat("[GETTEXTURE]: texture was not in the cache");
+//                    m_log.DebugFormat("[GETTEXTURE]: texture was not in the cache");
 
                     // Fetch locally or remotely. Misses return a 404
                     texture = m_assetService.Get(textureID.ToString());
@@ -197,7 +197,7 @@ namespace OpenSim.Capabilities.Handlers
                }
                else // it was on the cache
                {
-                   //m_log.DebugFormat("[GETTEXTURE]: texture was in the cache");
+//                   m_log.DebugFormat("[GETTEXTURE]: texture was in the cache");
                    WriteTextureData(httpRequest, httpResponse, texture, format);
                    return true;
                }
@@ -219,12 +219,30 @@ namespace OpenSim.Capabilities.Handlers
                 int start, end;
                 if (TryParseRange(range, out start, out end))
                 {
-
                     // Before clamping start make sure we can satisfy it in order to avoid
                     // sending back the last byte instead of an error status
                     if (start >= texture.Data.Length)
                     {
-                        response.StatusCode = (int)System.Net.HttpStatusCode.RequestedRangeNotSatisfiable;
+//                        m_log.DebugFormat(
+//                            "[GETTEXTURE]: Client requested range for texture {0} starting at {1} but texture has end of {2}",
+//                            texture.ID, start, texture.Data.Length);
+
+                        // Stricly speaking, as per http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html, we should be sending back
+                        // Requested Range Not Satisfiable (416) here.  However, it appears that at least recent implementations
+                        // of the Linden Lab viewer (3.2.1 and 3.3.4 and probably earlier), a viewer that has previously
+                        // received a very small texture  may attempt to fetch bytes from the server past the
+                        // range of data that it received originally.  Whether this happens appears to depend on whether
+                        // the viewer's estimation of how large a request it needs to make for certain discard levels
+                        // (http://wiki.secondlife.com/wiki/Image_System#Discard_Level_and_Mip_Mapping), chiefly discard
+                        // level 2.  If this estimate is greater than the total texture size, returning a RequestedRangeNotSatisfiable
+                        // here will cause the viewer to treat the texture as bad and never display the full resolution
+                        // However, if we return PartialContent (or OK) instead, the viewer will display that resolution.
+
+//                        response.StatusCode = (int)System.Net.HttpStatusCode.RequestedRangeNotSatisfiable;
+//                        response.AddHeader("Content-Range", String.Format("bytes */{0}", texture.Data.Length));
+//                        response.StatusCode = (int)System.Net.HttpStatusCode.OK;
+                        response.StatusCode = (int)System.Net.HttpStatusCode.PartialContent;
+                        response.ContentType = texture.Metadata.ContentType;
                     }
                     else
                     {
@@ -232,12 +250,18 @@ namespace OpenSim.Capabilities.Handlers
                         start = Utils.Clamp(start, 0, end);
                         int len = end - start + 1;
 
-                        //m_log.Debug("Serving " + start + " to " + end + " of " + texture.Data.Length + " bytes for texture " + texture.ID);
+//                        m_log.Debug("Serving " + start + " to " + end + " of " + texture.Data.Length + " bytes for texture " + texture.ID);
 
                         // Always return PartialContent, even if the range covered the entire data length
                         // We were accidentally sending back 404 before in this situation
                         // https://issues.apache.org/bugzilla/show_bug.cgi?id=51878 supports sending 206 even if the
                         // entire range is requested, and viewer 3.2.2 (and very probably earlier) seems fine with this.
+                        //
+                        // We also do not want to send back OK even if the whole range was satisfiable since this causes
+                        // HTTP textures on at least Imprudence 1.4.0-beta2 to never display the final texture quality.
+//                        if (end > maxEnd)
+//                            response.StatusCode = (int)System.Net.HttpStatusCode.OK;
+//                        else
                         response.StatusCode = (int)System.Net.HttpStatusCode.PartialContent;
 
                         response.ContentLength = len;

OpenSim/Data/IXInventoryData.cs

@@ -40,6 +40,11 @@ namespace OpenSim.Data
         public UUID folderID;
         public UUID agentID;
         public UUID parentFolderID;
+
+        public XInventoryFolder Clone()
+        {
+            return (XInventoryFolder)MemberwiseClone();
+        }
     }
 
     public class XInventoryItem
@@ -64,6 +69,11 @@ namespace OpenSim.Data
         public UUID avatarID;
         public UUID parentFolderID;
         public int inventoryGroupPermissions;
+
+        public XInventoryItem Clone()
+        {
+            return (XInventoryItem)MemberwiseClone();
+        }
     }
 
     public interface IXInventoryData
@@ -106,7 +116,22 @@ namespace OpenSim.Data
         /// <returns>true if the delete was successful, false if it was not</returns>
         bool DeleteItems(string[] fields, string[] vals);
 
-        bool MoveItem(string id, string newParent);
+        /// <summary>
+        /// Move an item to another folder.
+        /// </summary>
+        /// <returns>/returns>
+        /// <param name='id'>UUID of the item</param>
+        /// <param name='newParent'>UUID of the new parent folder.</param>
+        bool MoveItem(string id, string newParentFolderID);
+
+        /// <summary>
+        /// Move a folder to another folder.
+        /// </summary>
+        /// <returns>/returns>
+        /// <param name='id'>UUID of the item</param>
+        /// <param name='newParent'>UUID of the new parent folder.</param>
+        bool MoveFolder(string id, string newParentFolderID);
+
         XInventoryItem[] GetActiveGestures(UUID principalID);
         int GetAssetPermissions(UUID principalID, UUID assetID);
     }

OpenSim/Data/MSSQL/MSSQLXInventoryData.cs

@@ -43,12 +43,12 @@ namespace OpenSim.Data.MSSQL
 //        private static readonly ILog m_log = LogManager.GetLogger(
 //                MethodBase.GetCurrentMethod().DeclaringType);
 
-        private MSSQLGenericTableHandler<XInventoryFolder> m_Folders;
+        private MSSQLFolderHandler m_Folders;
         private MSSQLItemHandler m_Items;
 
         public MSSQLXInventoryData(string conn, string realm)
         {
-            m_Folders = new MSSQLGenericTableHandler<XInventoryFolder>(
+            m_Folders = new MSSQLFolderHandler(
                     conn, "inventoryfolders", "InventoryStore");
             m_Items = new MSSQLItemHandler(
                     conn, "inventoryitems", String.Empty);
@@ -85,6 +85,7 @@ namespace OpenSim.Data.MSSQL
         {
             return m_Folders.Delete(field, val);
         }
+
         public bool DeleteFolders(string[] fields, string[] vals)
         {
             return m_Folders.Delete(fields, vals);
@@ -94,15 +95,22 @@ namespace OpenSim.Data.MSSQL
         {
             return m_Items.Delete(field, val);
         }
+
         public bool DeleteItems(string[] fields, string[] vals)
         {
             return m_Items.Delete(fields, vals);
         }
+
         public bool MoveItem(string id, string newParent)
         {
             return m_Items.MoveItem(id, newParent);
         }
 
+        public bool MoveFolder(string id, string newParent)
+        {
+            return m_Folders.MoveFolder(id, newParent);
+        }
+
         public XInventoryItem[] GetActiveGestures(UUID principalID)
         {
             return m_Items.GetActiveGestures(principalID);
@@ -124,79 +132,115 @@ namespace OpenSim.Data.MSSQL
         public bool MoveItem(string id, string newParent)
         {
             using (SqlConnection conn = new SqlConnection(m_ConnectionString))
-            using (SqlCommand cmd = new SqlCommand())
             {
+                using (SqlCommand cmd = new SqlCommand())
+                {
 
-                cmd.CommandText = String.Format("update {0} set parentFolderID = @ParentFolderID where inventoryID = @InventoryID", m_Realm);
-                cmd.Parameters.Add(m_database.CreateParameter("@ParentFolderID", newParent));
-                cmd.Parameters.Add(m_database.CreateParameter("@InventoryID", id));
-                cmd.Connection = conn;
-                conn.Open();
-                return cmd.ExecuteNonQuery() == 0 ? false : true;
+                    cmd.CommandText = String.Format("update {0} set parentFolderID = @ParentFolderID where inventoryID = @InventoryID", m_Realm);
+                    cmd.Parameters.Add(m_database.CreateParameter("@ParentFolderID", newParent));
+                    cmd.Parameters.Add(m_database.CreateParameter("@InventoryID", id));
+                    cmd.Connection = conn;
+                    conn.Open();
+                    return cmd.ExecuteNonQuery() == 0 ? false : true;
+                }
             }
         }
 
         public XInventoryItem[] GetActiveGestures(UUID principalID)
         {
             using (SqlConnection conn = new SqlConnection(m_ConnectionString))
-            using (SqlCommand cmd = new SqlCommand())
             {
-                cmd.CommandText = String.Format("select * from inventoryitems where avatarId = @uuid and assetType = @type and flags = 1", m_Realm);
+                using (SqlCommand cmd = new SqlCommand())
+                {
+                    cmd.CommandText = String.Format("select * from inventoryitems where avatarId = @uuid and assetType = @type and flags = 1", m_Realm);
 
-                cmd.Parameters.Add(m_database.CreateParameter("@uuid", principalID.ToString()));
-                cmd.Parameters.Add(m_database.CreateParameter("@type", (int)AssetType.Gesture));
-                cmd.Connection = conn;
-                conn.Open();
-                return DoQuery(cmd);
+                    cmd.Parameters.Add(m_database.CreateParameter("@uuid", principalID.ToString()));
+                    cmd.Parameters.Add(m_database.CreateParameter("@type", (int)AssetType.Gesture));
+                    cmd.Connection = conn;
+                    conn.Open();
+                    return DoQuery(cmd);
+                }
             }
         }
 
         public int GetAssetPermissions(UUID principalID, UUID assetID)
         {
             using (SqlConnection conn = new SqlConnection(m_ConnectionString))
-            using (SqlCommand cmd = new SqlCommand())
             {
-                cmd.CommandText = String.Format("select bit_or(inventoryCurrentPermissions) as inventoryCurrentPermissions from inventoryitems where avatarID = @PrincipalID and assetID = @AssetID group by assetID", m_Realm);
-                cmd.Parameters.Add(m_database.CreateParameter("@PrincipalID", principalID.ToString()));
-                cmd.Parameters.Add(m_database.CreateParameter("@AssetID", assetID.ToString()));
-                cmd.Connection = conn;
-                conn.Open();
-                using (SqlDataReader reader = cmd.ExecuteReader())
+                using (SqlCommand cmd = new SqlCommand())
                 {
-
-                    int perms = 0;
-
-                    if (reader.Read())
+                    cmd.CommandText = String.Format("select bit_or(inventoryCurrentPermissions) as inventoryCurrentPermissions from inventoryitems where avatarID = @PrincipalID and assetID = @AssetID group by assetID", m_Realm);
+                    cmd.Parameters.Add(m_database.CreateParameter("@PrincipalID", principalID.ToString()));
+                    cmd.Parameters.Add(m_database.CreateParameter("@AssetID", assetID.ToString()));
+                    cmd.Connection = conn;
+                    conn.Open();
+                    using (SqlDataReader reader = cmd.ExecuteReader())
                     {
-                        perms = Convert.ToInt32(reader["inventoryCurrentPermissions"]);
+
+                        int perms = 0;
+
+                        if (reader.Read())
+                        {
+                            perms = Convert.ToInt32(reader["inventoryCurrentPermissions"]);
+                        }
+
+                        return perms;
                     }
 
-                    return perms;
                 }
-
             }
         }
+
         public override bool Store(XInventoryItem item)
         {
             if (!base.Store(item))
                 return false;
+
             string sql = "update inventoryfolders set version=version+1 where folderID = @folderID";
             using (SqlConnection conn = new SqlConnection(m_ConnectionString))
-            using (SqlCommand cmd = new SqlCommand(sql, conn))
             {
-                conn.Open();
+                using (SqlCommand cmd = new SqlCommand(sql, conn))
+                {
+                    conn.Open();
 
-                    cmd.Parameters.AddWithValue("@folderID", item.parentFolderID.ToString());
-                    try
-                    {
-                        cmd.ExecuteNonQuery();
-                    }
-                    catch (Exception)
-                    {
-                        return false;
-                    }                
+                        cmd.Parameters.AddWithValue("@folderID", item.parentFolderID.ToString());
+                        try
+                        {
+                            cmd.ExecuteNonQuery();
+                        }
+                        catch (Exception)
+                        {
+                            return false;
+                        }
+                }
+
+                return true;
             }
-            return true;
         }
     }
-}
+
+    public class MSSQLFolderHandler : MSSQLGenericTableHandler<XInventoryFolder>
+    {
+        public MSSQLFolderHandler(string c, string t, string m) :
+            base(c, t, m)
+        {
+        }
+
+        public bool MoveFolder(string id, string newParentFolderID)
+        {
+            using (SqlConnection conn = new SqlConnection(m_ConnectionString))
+            {
+                using (SqlCommand cmd = new SqlCommand())
+                {
+
+                    cmd.CommandText = String.Format("update {0} set parentFolderID = @ParentFolderID where folderID = @folderID", m_Realm);
+                    cmd.Parameters.Add(m_database.CreateParameter("@ParentFolderID", newParentFolderID));
+                    cmd.Parameters.Add(m_database.CreateParameter("@folderID", id));
+                    cmd.Connection = conn;
+                    conn.Open();
+                    return cmd.ExecuteNonQuery() == 0 ? false : true;
+                }
+            }
+        }
+    }
+}

OpenSim/Data/MySQL/MySQLGenericTableHandler.cs

@@ -219,6 +219,8 @@ namespace OpenSim.Data.MySQL
 
         public virtual bool Store(T row)
         {
+//            m_log.DebugFormat("[MYSQL GENERIC TABLE HANDLER]: Store(T row) invoked");
+
             using (MySqlCommand cmd = new MySqlCommand())
             {
                 string query = "";
@@ -273,6 +275,10 @@ namespace OpenSim.Data.MySQL
 
         public virtual bool Delete(string[] fields, string[] keys)
         {
+//            m_log.DebugFormat(
+//                "[MYSQL GENERIC TABLE HANDLER]: Delete(string[] fields, string[] keys) invoked with {0}:{1}",
+//                string.Join(",", fields), string.Join(",", keys));
+
             if (fields.Length != keys.Length)
                 return false;
 

OpenSim/Data/MySQL/MySQLSimulationData.cs

@@ -719,95 +719,99 @@ namespace OpenSim.Data.MySQL
             RegionLightShareData nWP = new RegionLightShareData();
             nWP.OnSave += StoreRegionWindlightSettings;
 
-            using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+            lock (m_dbLock)
             {
-                dbcon.Open();
-
-                string command = "select * from `regionwindlight` where region_id = ?regionID";
-
-                using (MySqlCommand cmd = new MySqlCommand(command))
+                using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
                 {
-                    cmd.Connection = dbcon;
-
-                    cmd.Parameters.AddWithValue("?regionID", regionUUID.ToString());
-
-                    IDataReader result = ExecuteReader(cmd);
-                    if (!result.Read())
+                    dbcon.Open();
+    
+                    string command = "select * from `regionwindlight` where region_id = ?regionID";
+    
+                    using (MySqlCommand cmd = new MySqlCommand(command))
                     {
-                        //No result, so store our default windlight profile and return it
-                        nWP.regionID = regionUUID;
-                        StoreRegionWindlightSettings(nWP);
-                        return nWP;
-                    }
-                    else
-                    {
-                        nWP.regionID = DBGuid.FromDB(result["region_id"]);
-                        nWP.waterColor.X = Convert.ToSingle(result["water_color_r"]);
-                        nWP.waterColor.Y = Convert.ToSingle(result["water_color_g"]);
-                        nWP.waterColor.Z = Convert.ToSingle(result["water_color_b"]);
-                        nWP.waterFogDensityExponent = Convert.ToSingle(result["water_fog_density_exponent"]);
-                        nWP.underwaterFogModifier = Convert.ToSingle(result["underwater_fog_modifier"]);
-                        nWP.reflectionWaveletScale.X = Convert.ToSingle(result["reflection_wavelet_scale_1"]);
-                        nWP.reflectionWaveletScale.Y = Convert.ToSingle(result["reflection_wavelet_scale_2"]);
-                        nWP.reflectionWaveletScale.Z = Convert.ToSingle(result["reflection_wavelet_scale_3"]);
-                        nWP.fresnelScale = Convert.ToSingle(result["fresnel_scale"]);
-                        nWP.fresnelOffset = Convert.ToSingle(result["fresnel_offset"]);
-                        nWP.refractScaleAbove = Convert.ToSingle(result["refract_scale_above"]);
-                        nWP.refractScaleBelow = Convert.ToSingle(result["refract_scale_below"]);
-                        nWP.blurMultiplier = Convert.ToSingle(result["blur_multiplier"]);
-                        nWP.bigWaveDirection.X = Convert.ToSingle(result["big_wave_direction_x"]);
-                        nWP.bigWaveDirection.Y = Convert.ToSingle(result["big_wave_direction_y"]);
-                        nWP.littleWaveDirection.X = Convert.ToSingle(result["little_wave_direction_x"]);
-                        nWP.littleWaveDirection.Y = Convert.ToSingle(result["little_wave_direction_y"]);
-                        UUID.TryParse(result["normal_map_texture"].ToString(), out nWP.normalMapTexture);
-                        nWP.horizon.X = Convert.ToSingle(result["horizon_r"]);
-                        nWP.horizon.Y = Convert.ToSingle(result["horizon_g"]);
-                        nWP.horizon.Z = Convert.ToSingle(result["horizon_b"]);
-                        nWP.horizon.W = Convert.ToSingle(result["horizon_i"]);
-                        nWP.hazeHorizon = Convert.ToSingle(result["haze_horizon"]);
-                        nWP.blueDensity.X = Convert.ToSingle(result["blue_density_r"]);
-                        nWP.blueDensity.Y = Convert.ToSingle(result["blue_density_g"]);
-                        nWP.blueDensity.Z = Convert.ToSingle(result["blue_density_b"]);
-                        nWP.blueDensity.W = Convert.ToSingle(result["blue_density_i"]);
-                        nWP.hazeDensity = Convert.ToSingle(result["haze_density"]);
-                        nWP.densityMultiplier = Convert.ToSingle(result["density_multiplier"]);
-                        nWP.distanceMultiplier = Convert.ToSingle(result["distance_multiplier"]);
-                        nWP.maxAltitude = Convert.ToUInt16(result["max_altitude"]);
-                        nWP.sunMoonColor.X = Convert.ToSingle(result["sun_moon_color_r"]);
-                        nWP.sunMoonColor.Y = Convert.ToSingle(result["sun_moon_color_g"]);
-                        nWP.sunMoonColor.Z = Convert.ToSingle(result["sun_moon_color_b"]);
-                        nWP.sunMoonColor.W = Convert.ToSingle(result["sun_moon_color_i"]);
-                        nWP.sunMoonPosition = Convert.ToSingle(result["sun_moon_position"]);
-                        nWP.ambient.X = Convert.ToSingle(result["ambient_r"]);
-                        nWP.ambient.Y = Convert.ToSingle(result["ambient_g"]);
-                        nWP.ambient.Z = Convert.ToSingle(result["ambient_b"]);
-                        nWP.ambient.W = Convert.ToSingle(result["ambient_i"]);
-                        nWP.eastAngle = Convert.ToSingle(result["east_angle"]);
-                        nWP.sunGlowFocus = Convert.ToSingle(result["sun_glow_focus"]);
-                        nWP.sunGlowSize = Convert.ToSingle(result["sun_glow_size"]);
-                        nWP.sceneGamma = Convert.ToSingle(result["scene_gamma"]);
-                        nWP.starBrightness = Convert.ToSingle(result["star_brightness"]);
-                        nWP.cloudColor.X = Convert.ToSingle(result["cloud_color_r"]);
-                        nWP.cloudColor.Y = Convert.ToSingle(result["cloud_color_g"]);
-                        nWP.cloudColor.Z = Convert.ToSingle(result["cloud_color_b"]);
-                        nWP.cloudColor.W = Convert.ToSingle(result["cloud_color_i"]);
-                        nWP.cloudXYDensity.X = Convert.ToSingle(result["cloud_x"]);
-                        nWP.cloudXYDensity.Y = Convert.ToSingle(result["cloud_y"]);
-                        nWP.cloudXYDensity.Z = Convert.ToSingle(result["cloud_density"]);
-                        nWP.cloudCoverage = Convert.ToSingle(result["cloud_coverage"]);
-                        nWP.cloudScale = Convert.ToSingle(result["cloud_scale"]);
-                        nWP.cloudDetailXYDensity.X = Convert.ToSingle(result["cloud_detail_x"]);
-                        nWP.cloudDetailXYDensity.Y = Convert.ToSingle(result["cloud_detail_y"]);
-                        nWP.cloudDetailXYDensity.Z = Convert.ToSingle(result["cloud_detail_density"]);
-                        nWP.cloudScrollX = Convert.ToSingle(result["cloud_scroll_x"]);
-                        nWP.cloudScrollXLock = Convert.ToBoolean(result["cloud_scroll_x_lock"]);
-                        nWP.cloudScrollY = Convert.ToSingle(result["cloud_scroll_y"]);
-                        nWP.cloudScrollYLock = Convert.ToBoolean(result["cloud_scroll_y_lock"]);
-                        nWP.drawClassicClouds = Convert.ToBoolean(result["draw_classic_clouds"]);
-                        nWP.valid = true;
+                        cmd.Connection = dbcon;
+    
+                        cmd.Parameters.AddWithValue("?regionID", regionUUID.ToString());
+    
+                        IDataReader result = ExecuteReader(cmd);
+                        if (!result.Read())
+                        {
+                            //No result, so store our default windlight profile and return it
+                            nWP.regionID = regionUUID;
+                            StoreRegionWindlightSettings(nWP);
+                            return nWP;
+                        }
+                        else
+                        {
+                            nWP.regionID = DBGuid.FromDB(result["region_id"]);
+                            nWP.waterColor.X = Convert.ToSingle(result["water_color_r"]);
+                            nWP.waterColor.Y = Convert.ToSingle(result["water_color_g"]);
+                            nWP.waterColor.Z = Convert.ToSingle(result["water_color_b"]);
+                            nWP.waterFogDensityExponent = Convert.ToSingle(result["water_fog_density_exponent"]);
+                            nWP.underwaterFogModifier = Convert.ToSingle(result["underwater_fog_modifier"]);
+                            nWP.reflectionWaveletScale.X = Convert.ToSingle(result["reflection_wavelet_scale_1"]);
+                            nWP.reflectionWaveletScale.Y = Convert.ToSingle(result["reflection_wavelet_scale_2"]);
+                            nWP.reflectionWaveletScale.Z = Convert.ToSingle(result["reflection_wavelet_scale_3"]);
+                            nWP.fresnelScale = Convert.ToSingle(result["fresnel_scale"]);
+                            nWP.fresnelOffset = Convert.ToSingle(result["fresnel_offset"]);
+                            nWP.refractScaleAbove = Convert.ToSingle(result["refract_scale_above"]);
+                            nWP.refractScaleBelow = Convert.ToSingle(result["refract_scale_below"]);
+                            nWP.blurMultiplier = Convert.ToSingle(result["blur_multiplier"]);
+                            nWP.bigWaveDirection.X = Convert.ToSingle(result["big_wave_direction_x"]);
+                            nWP.bigWaveDirection.Y = Convert.ToSingle(result["big_wave_direction_y"]);
+                            nWP.littleWaveDirection.X = Convert.ToSingle(result["little_wave_direction_x"]);
+                            nWP.littleWaveDirection.Y = Convert.ToSingle(result["little_wave_direction_y"]);
+                            UUID.TryParse(result["normal_map_texture"].ToString(), out nWP.normalMapTexture);
+                            nWP.horizon.X = Convert.ToSingle(result["horizon_r"]);
+                            nWP.horizon.Y = Convert.ToSingle(result["horizon_g"]);
+                            nWP.horizon.Z = Convert.ToSingle(result["horizon_b"]);
+                            nWP.horizon.W = Convert.ToSingle(result["horizon_i"]);
+                            nWP.hazeHorizon = Convert.ToSingle(result["haze_horizon"]);
+                            nWP.blueDensity.X = Convert.ToSingle(result["blue_density_r"]);
+                            nWP.blueDensity.Y = Convert.ToSingle(result["blue_density_g"]);
+                            nWP.blueDensity.Z = Convert.ToSingle(result["blue_density_b"]);
+                            nWP.blueDensity.W = Convert.ToSingle(result["blue_density_i"]);
+                            nWP.hazeDensity = Convert.ToSingle(result["haze_density"]);
+                            nWP.densityMultiplier = Convert.ToSingle(result["density_multiplier"]);
+                            nWP.distanceMultiplier = Convert.ToSingle(result["distance_multiplier"]);
+                            nWP.maxAltitude = Convert.ToUInt16(result["max_altitude"]);
+                            nWP.sunMoonColor.X = Convert.ToSingle(result["sun_moon_color_r"]);
+                            nWP.sunMoonColor.Y = Convert.ToSingle(result["sun_moon_color_g"]);
+                            nWP.sunMoonColor.Z = Convert.ToSingle(result["sun_moon_color_b"]);
+                            nWP.sunMoonColor.W = Convert.ToSingle(result["sun_moon_color_i"]);
+                            nWP.sunMoonPosition = Convert.ToSingle(result["sun_moon_position"]);
+                            nWP.ambient.X = Convert.ToSingle(result["ambient_r"]);
+                            nWP.ambient.Y = Convert.ToSingle(result["ambient_g"]);
+                            nWP.ambient.Z = Convert.ToSingle(result["ambient_b"]);
+                            nWP.ambient.W = Convert.ToSingle(result["ambient_i"]);
+                            nWP.eastAngle = Convert.ToSingle(result["east_angle"]);
+                            nWP.sunGlowFocus = Convert.ToSingle(result["sun_glow_focus"]);
+                            nWP.sunGlowSize = Convert.ToSingle(result["sun_glow_size"]);
+                            nWP.sceneGamma = Convert.ToSingle(result["scene_gamma"]);
+                            nWP.starBrightness = Convert.ToSingle(result["star_brightness"]);
+                            nWP.cloudColor.X = Convert.ToSingle(result["cloud_color_r"]);
+                            nWP.cloudColor.Y = Convert.ToSingle(result["cloud_color_g"]);
+                            nWP.cloudColor.Z = Convert.ToSingle(result["cloud_color_b"]);
+                            nWP.cloudColor.W = Convert.ToSingle(result["cloud_color_i"]);
+                            nWP.cloudXYDensity.X = Convert.ToSingle(result["cloud_x"]);
+                            nWP.cloudXYDensity.Y = Convert.ToSingle(result["cloud_y"]);
+                            nWP.cloudXYDensity.Z = Convert.ToSingle(result["cloud_density"]);
+                            nWP.cloudCoverage = Convert.ToSingle(result["cloud_coverage"]);
+                            nWP.cloudScale = Convert.ToSingle(result["cloud_scale"]);
+                            nWP.cloudDetailXYDensity.X = Convert.ToSingle(result["cloud_detail_x"]);
+                            nWP.cloudDetailXYDensity.Y = Convert.ToSingle(result["cloud_detail_y"]);
+                            nWP.cloudDetailXYDensity.Z = Convert.ToSingle(result["cloud_detail_density"]);
+                            nWP.cloudScrollX = Convert.ToSingle(result["cloud_scroll_x"]);
+                            nWP.cloudScrollXLock = Convert.ToBoolean(result["cloud_scroll_x_lock"]);
+                            nWP.cloudScrollY = Convert.ToSingle(result["cloud_scroll_y"]);
+                            nWP.cloudScrollYLock = Convert.ToBoolean(result["cloud_scroll_y_lock"]);
+                            nWP.drawClassicClouds = Convert.ToBoolean(result["draw_classic_clouds"]);
+                            nWP.valid = true;
+                        }
                     }
                 }
             }
+
             return nWP;
         }
 
@@ -853,118 +857,124 @@ namespace OpenSim.Data.MySQL
 
         public void StoreRegionWindlightSettings(RegionLightShareData wl)
         {
-            using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+            lock (m_dbLock)
             {
-                dbcon.Open();
-
-                using (MySqlCommand cmd = dbcon.CreateCommand())
+                using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
                 {
-                    cmd.CommandText = "REPLACE INTO `regionwindlight` (`region_id`, `water_color_r`, `water_color_g`, ";
-                    cmd.CommandText += "`water_color_b`, `water_fog_density_exponent`, `underwater_fog_modifier`, ";
-                    cmd.CommandText += "`reflection_wavelet_scale_1`, `reflection_wavelet_scale_2`, `reflection_wavelet_scale_3`, ";
-                    cmd.CommandText += "`fresnel_scale`, `fresnel_offset`, `refract_scale_above`, `refract_scale_below`, ";
-                    cmd.CommandText += "`blur_multiplier`, `big_wave_direction_x`, `big_wave_direction_y`, `little_wave_direction_x`, ";
-                    cmd.CommandText += "`little_wave_direction_y`, `normal_map_texture`, `horizon_r`, `horizon_g`, `horizon_b`, ";
-                    cmd.CommandText += "`horizon_i`, `haze_horizon`, `blue_density_r`, `blue_density_g`, `blue_density_b`, ";
-                    cmd.CommandText += "`blue_density_i`, `haze_density`, `density_multiplier`, `distance_multiplier`, `max_altitude`, ";
-                    cmd.CommandText += "`sun_moon_color_r`, `sun_moon_color_g`, `sun_moon_color_b`, `sun_moon_color_i`, `sun_moon_position`, ";
-                    cmd.CommandText += "`ambient_r`, `ambient_g`, `ambient_b`, `ambient_i`, `east_angle`, `sun_glow_focus`, `sun_glow_size`, ";
-                    cmd.CommandText += "`scene_gamma`, `star_brightness`, `cloud_color_r`, `cloud_color_g`, `cloud_color_b`, `cloud_color_i`, ";
-                    cmd.CommandText += "`cloud_x`, `cloud_y`, `cloud_density`, `cloud_coverage`, `cloud_scale`, `cloud_detail_x`, ";
-                    cmd.CommandText += "`cloud_detail_y`, `cloud_detail_density`, `cloud_scroll_x`, `cloud_scroll_x_lock`, `cloud_scroll_y`, ";
-                    cmd.CommandText += "`cloud_scroll_y_lock`, `draw_classic_clouds`) VALUES (?region_id, ?water_color_r, ";
-                    cmd.CommandText += "?water_color_g, ?water_color_b, ?water_fog_density_exponent, ?underwater_fog_modifier, ?reflection_wavelet_scale_1, ";
-                    cmd.CommandText += "?reflection_wavelet_scale_2, ?reflection_wavelet_scale_3, ?fresnel_scale, ?fresnel_offset, ?refract_scale_above, ";
-                    cmd.CommandText += "?refract_scale_below, ?blur_multiplier, ?big_wave_direction_x, ?big_wave_direction_y, ?little_wave_direction_x, ";
-                    cmd.CommandText += "?little_wave_direction_y, ?normal_map_texture, ?horizon_r, ?horizon_g, ?horizon_b, ?horizon_i, ?haze_horizon, ";
-                    cmd.CommandText += "?blue_density_r, ?blue_density_g, ?blue_density_b, ?blue_density_i, ?haze_density, ?density_multiplier, ";
-                    cmd.CommandText += "?distance_multiplier, ?max_altitude, ?sun_moon_color_r, ?sun_moon_color_g, ?sun_moon_color_b, ";
-                    cmd.CommandText += "?sun_moon_color_i, ?sun_moon_position, ?ambient_r, ?ambient_g, ?ambient_b, ?ambient_i, ?east_angle, ";
-                    cmd.CommandText += "?sun_glow_focus, ?sun_glow_size, ?scene_gamma, ?star_brightness, ?cloud_color_r, ?cloud_color_g, ";
-                    cmd.CommandText += "?cloud_color_b, ?cloud_color_i, ?cloud_x, ?cloud_y, ?cloud_density, ?cloud_coverage, ?cloud_scale, ";
-                    cmd.CommandText += "?cloud_detail_x, ?cloud_detail_y, ?cloud_detail_density, ?cloud_scroll_x, ?cloud_scroll_x_lock, ";
-                    cmd.CommandText += "?cloud_scroll_y, ?cloud_scroll_y_lock, ?draw_classic_clouds)";
-
-                    cmd.Parameters.AddWithValue("region_id", wl.regionID);
-                    cmd.Parameters.AddWithValue("water_color_r", wl.waterColor.X);
-                    cmd.Parameters.AddWithValue("water_color_g", wl.waterColor.Y);
-                    cmd.Parameters.AddWithValue("water_color_b", wl.waterColor.Z);
-                    cmd.Parameters.AddWithValue("water_fog_density_exponent", wl.waterFogDensityExponent);
-                    cmd.Parameters.AddWithValue("underwater_fog_modifier", wl.underwaterFogModifier);
-                    cmd.Parameters.AddWithValue("reflection_wavelet_scale_1", wl.reflectionWaveletScale.X);
-                    cmd.Parameters.AddWithValue("reflection_wavelet_scale_2", wl.reflectionWaveletScale.Y);
-                    cmd.Parameters.AddWithValue("reflection_wavelet_scale_3", wl.reflectionWaveletScale.Z);
-                    cmd.Parameters.AddWithValue("fresnel_scale", wl.fresnelScale);
-                    cmd.Parameters.AddWithValue("fresnel_offset", wl.fresnelOffset);
-                    cmd.Parameters.AddWithValue("refract_scale_above", wl.refractScaleAbove);
-                    cmd.Parameters.AddWithValue("refract_scale_below", wl.refractScaleBelow);
-                    cmd.Parameters.AddWithValue("blur_multiplier", wl.blurMultiplier);
-                    cmd.Parameters.AddWithValue("big_wave_direction_x", wl.bigWaveDirection.X);
-                    cmd.Parameters.AddWithValue("big_wave_direction_y", wl.bigWaveDirection.Y);
-                    cmd.Parameters.AddWithValue("little_wave_direction_x", wl.littleWaveDirection.X);
-                    cmd.Parameters.AddWithValue("little_wave_direction_y", wl.littleWaveDirection.Y);
-                    cmd.Parameters.AddWithValue("normal_map_texture", wl.normalMapTexture);
-                    cmd.Parameters.AddWithValue("horizon_r", wl.horizon.X);
-                    cmd.Parameters.AddWithValue("horizon_g", wl.horizon.Y);
-                    cmd.Parameters.AddWithValue("horizon_b", wl.horizon.Z);
-                    cmd.Parameters.AddWithValue("horizon_i", wl.horizon.W);
-                    cmd.Parameters.AddWithValue("haze_horizon", wl.hazeHorizon);
-                    cmd.Parameters.AddWithValue("blue_density_r", wl.blueDensity.X);
-                    cmd.Parameters.AddWithValue("blue_density_g", wl.blueDensity.Y);
-                    cmd.Parameters.AddWithValue("blue_density_b", wl.blueDensity.Z);
-                    cmd.Parameters.AddWithValue("blue_density_i", wl.blueDensity.W);
-                    cmd.Parameters.AddWithValue("haze_density", wl.hazeDensity);
-                    cmd.Parameters.AddWithValue("density_multiplier", wl.densityMultiplier);
-                    cmd.Parameters.AddWithValue("distance_multiplier", wl.distanceMultiplier);
-                    cmd.Parameters.AddWithValue("max_altitude", wl.maxAltitude);
-                    cmd.Parameters.AddWithValue("sun_moon_color_r", wl.sunMoonColor.X);
-                    cmd.Parameters.AddWithValue("sun_moon_color_g", wl.sunMoonColor.Y);
-                    cmd.Parameters.AddWithValue("sun_moon_color_b", wl.sunMoonColor.Z);
-                    cmd.Parameters.AddWithValue("sun_moon_color_i", wl.sunMoonColor.W);
-                    cmd.Parameters.AddWithValue("sun_moon_position", wl.sunMoonPosition);
-                    cmd.Parameters.AddWithValue("ambient_r", wl.ambient.X);
-                    cmd.Parameters.AddWithValue("ambient_g", wl.ambient.Y);
-                    cmd.Parameters.AddWithValue("ambient_b", wl.ambient.Z);
-                    cmd.Parameters.AddWithValue("ambient_i", wl.ambient.W);
-                    cmd.Parameters.AddWithValue("east_angle", wl.eastAngle);
-                    cmd.Parameters.AddWithValue("sun_glow_focus", wl.sunGlowFocus);
-                    cmd.Parameters.AddWithValue("sun_glow_size", wl.sunGlowSize);
-                    cmd.Parameters.AddWithValue("scene_gamma", wl.sceneGamma);
-                    cmd.Parameters.AddWithValue("star_brightness", wl.starBrightness);
-                    cmd.Parameters.AddWithValue("cloud_color_r", wl.cloudColor.X);
-                    cmd.Parameters.AddWithValue("cloud_color_g", wl.cloudColor.Y);
-                    cmd.Parameters.AddWithValue("cloud_color_b", wl.cloudColor.Z);
-                    cmd.Parameters.AddWithValue("cloud_color_i", wl.cloudColor.W);
-                    cmd.Parameters.AddWithValue("cloud_x", wl.cloudXYDensity.X);
-                    cmd.Parameters.AddWithValue("cloud_y", wl.cloudXYDensity.Y);
-                    cmd.Parameters.AddWithValue("cloud_density", wl.cloudXYDensity.Z);
-                    cmd.Parameters.AddWithValue("cloud_coverage", wl.cloudCoverage);
-                    cmd.Parameters.AddWithValue("cloud_scale", wl.cloudScale);
-                    cmd.Parameters.AddWithValue("cloud_detail_x", wl.cloudDetailXYDensity.X);
-                    cmd.Parameters.AddWithValue("cloud_detail_y", wl.cloudDetailXYDensity.Y);
-                    cmd.Parameters.AddWithValue("cloud_detail_density", wl.cloudDetailXYDensity.Z);
-                    cmd.Parameters.AddWithValue("cloud_scroll_x", wl.cloudScrollX);
-                    cmd.Parameters.AddWithValue("cloud_scroll_x_lock", wl.cloudScrollXLock);
-                    cmd.Parameters.AddWithValue("cloud_scroll_y", wl.cloudScrollY);
-                    cmd.Parameters.AddWithValue("cloud_scroll_y_lock", wl.cloudScrollYLock);
-                    cmd.Parameters.AddWithValue("draw_classic_clouds", wl.drawClassicClouds);
-                    
-                    ExecuteNonQuery(cmd);
+                    dbcon.Open();
+    
+                    using (MySqlCommand cmd = dbcon.CreateCommand())
+                    {
+                        cmd.CommandText = "REPLACE INTO `regionwindlight` (`region_id`, `water_color_r`, `water_color_g`, ";
+                        cmd.CommandText += "`water_color_b`, `water_fog_density_exponent`, `underwater_fog_modifier`, ";
+                        cmd.CommandText += "`reflection_wavelet_scale_1`, `reflection_wavelet_scale_2`, `reflection_wavelet_scale_3`, ";
+                        cmd.CommandText += "`fresnel_scale`, `fresnel_offset`, `refract_scale_above`, `refract_scale_below`, ";
+                        cmd.CommandText += "`blur_multiplier`, `big_wave_direction_x`, `big_wave_direction_y`, `little_wave_direction_x`, ";
+                        cmd.CommandText += "`little_wave_direction_y`, `normal_map_texture`, `horizon_r`, `horizon_g`, `horizon_b`, ";
+                        cmd.CommandText += "`horizon_i`, `haze_horizon`, `blue_density_r`, `blue_density_g`, `blue_density_b`, ";
+                        cmd.CommandText += "`blue_density_i`, `haze_density`, `density_multiplier`, `distance_multiplier`, `max_altitude`, ";
+                        cmd.CommandText += "`sun_moon_color_r`, `sun_moon_color_g`, `sun_moon_color_b`, `sun_moon_color_i`, `sun_moon_position`, ";
+                        cmd.CommandText += "`ambient_r`, `ambient_g`, `ambient_b`, `ambient_i`, `east_angle`, `sun_glow_focus`, `sun_glow_size`, ";
+                        cmd.CommandText += "`scene_gamma`, `star_brightness`, `cloud_color_r`, `cloud_color_g`, `cloud_color_b`, `cloud_color_i`, ";
+                        cmd.CommandText += "`cloud_x`, `cloud_y`, `cloud_density`, `cloud_coverage`, `cloud_scale`, `cloud_detail_x`, ";
+                        cmd.CommandText += "`cloud_detail_y`, `cloud_detail_density`, `cloud_scroll_x`, `cloud_scroll_x_lock`, `cloud_scroll_y`, ";
+                        cmd.CommandText += "`cloud_scroll_y_lock`, `draw_classic_clouds`) VALUES (?region_id, ?water_color_r, ";
+                        cmd.CommandText += "?water_color_g, ?water_color_b, ?water_fog_density_exponent, ?underwater_fog_modifier, ?reflection_wavelet_scale_1, ";
+                        cmd.CommandText += "?reflection_wavelet_scale_2, ?reflection_wavelet_scale_3, ?fresnel_scale, ?fresnel_offset, ?refract_scale_above, ";
+                        cmd.CommandText += "?refract_scale_below, ?blur_multiplier, ?big_wave_direction_x, ?big_wave_direction_y, ?little_wave_direction_x, ";
+                        cmd.CommandText += "?little_wave_direction_y, ?normal_map_texture, ?horizon_r, ?horizon_g, ?horizon_b, ?horizon_i, ?haze_horizon, ";
+                        cmd.CommandText += "?blue_density_r, ?blue_density_g, ?blue_density_b, ?blue_density_i, ?haze_density, ?density_multiplier, ";
+                        cmd.CommandText += "?distance_multiplier, ?max_altitude, ?sun_moon_color_r, ?sun_moon_color_g, ?sun_moon_color_b, ";
+                        cmd.CommandText += "?sun_moon_color_i, ?sun_moon_position, ?ambient_r, ?ambient_g, ?ambient_b, ?ambient_i, ?east_angle, ";
+                        cmd.CommandText += "?sun_glow_focus, ?sun_glow_size, ?scene_gamma, ?star_brightness, ?cloud_color_r, ?cloud_color_g, ";
+                        cmd.CommandText += "?cloud_color_b, ?cloud_color_i, ?cloud_x, ?cloud_y, ?cloud_density, ?cloud_coverage, ?cloud_scale, ";
+                        cmd.CommandText += "?cloud_detail_x, ?cloud_detail_y, ?cloud_detail_density, ?cloud_scroll_x, ?cloud_scroll_x_lock, ";
+                        cmd.CommandText += "?cloud_scroll_y, ?cloud_scroll_y_lock, ?draw_classic_clouds)";
+    
+                        cmd.Parameters.AddWithValue("region_id", wl.regionID);
+                        cmd.Parameters.AddWithValue("water_color_r", wl.waterColor.X);
+                        cmd.Parameters.AddWithValue("water_color_g", wl.waterColor.Y);
+                        cmd.Parameters.AddWithValue("water_color_b", wl.waterColor.Z);
+                        cmd.Parameters.AddWithValue("water_fog_density_exponent", wl.waterFogDensityExponent);
+                        cmd.Parameters.AddWithValue("underwater_fog_modifier", wl.underwaterFogModifier);
+                        cmd.Parameters.AddWithValue("reflection_wavelet_scale_1", wl.reflectionWaveletScale.X);
+                        cmd.Parameters.AddWithValue("reflection_wavelet_scale_2", wl.reflectionWaveletScale.Y);
+                        cmd.Parameters.AddWithValue("reflection_wavelet_scale_3", wl.reflectionWaveletScale.Z);
+                        cmd.Parameters.AddWithValue("fresnel_scale", wl.fresnelScale);
+                        cmd.Parameters.AddWithValue("fresnel_offset", wl.fresnelOffset);
+                        cmd.Parameters.AddWithValue("refract_scale_above", wl.refractScaleAbove);
+                        cmd.Parameters.AddWithValue("refract_scale_below", wl.refractScaleBelow);
+                        cmd.Parameters.AddWithValue("blur_multiplier", wl.blurMultiplier);
+                        cmd.Parameters.AddWithValue("big_wave_direction_x", wl.bigWaveDirection.X);
+                        cmd.Parameters.AddWithValue("big_wave_direction_y", wl.bigWaveDirection.Y);
+                        cmd.Parameters.AddWithValue("little_wave_direction_x", wl.littleWaveDirection.X);
+                        cmd.Parameters.AddWithValue("little_wave_direction_y", wl.littleWaveDirection.Y);
+                        cmd.Parameters.AddWithValue("normal_map_texture", wl.normalMapTexture);
+                        cmd.Parameters.AddWithValue("horizon_r", wl.horizon.X);
+                        cmd.Parameters.AddWithValue("horizon_g", wl.horizon.Y);
+                        cmd.Parameters.AddWithValue("horizon_b", wl.horizon.Z);
+                        cmd.Parameters.AddWithValue("horizon_i", wl.horizon.W);
+                        cmd.Parameters.AddWithValue("haze_horizon", wl.hazeHorizon);
+                        cmd.Parameters.AddWithValue("blue_density_r", wl.blueDensity.X);
+                        cmd.Parameters.AddWithValue("blue_density_g", wl.blueDensity.Y);
+                        cmd.Parameters.AddWithValue("blue_density_b", wl.blueDensity.Z);
+                        cmd.Parameters.AddWithValue("blue_density_i", wl.blueDensity.W);
+                        cmd.Parameters.AddWithValue("haze_density", wl.hazeDensity);
+                        cmd.Parameters.AddWithValue("density_multiplier", wl.densityMultiplier);
+                        cmd.Parameters.AddWithValue("distance_multiplier", wl.distanceMultiplier);
+                        cmd.Parameters.AddWithValue("max_altitude", wl.maxAltitude);
+                        cmd.Parameters.AddWithValue("sun_moon_color_r", wl.sunMoonColor.X);
+                        cmd.Parameters.AddWithValue("sun_moon_color_g", wl.sunMoonColor.Y);
+                        cmd.Parameters.AddWithValue("sun_moon_color_b", wl.sunMoonColor.Z);
+                        cmd.Parameters.AddWithValue("sun_moon_color_i", wl.sunMoonColor.W);
+                        cmd.Parameters.AddWithValue("sun_moon_position", wl.sunMoonPosition);
+                        cmd.Parameters.AddWithValue("ambient_r", wl.ambient.X);
+                        cmd.Parameters.AddWithValue("ambient_g", wl.ambient.Y);
+                        cmd.Parameters.AddWithValue("ambient_b", wl.ambient.Z);
+                        cmd.Parameters.AddWithValue("ambient_i", wl.ambient.W);
+                        cmd.Parameters.AddWithValue("east_angle", wl.eastAngle);
+                        cmd.Parameters.AddWithValue("sun_glow_focus", wl.sunGlowFocus);
+                        cmd.Parameters.AddWithValue("sun_glow_size", wl.sunGlowSize);
+                        cmd.Parameters.AddWithValue("scene_gamma", wl.sceneGamma);
+                        cmd.Parameters.AddWithValue("star_brightness", wl.starBrightness);
+                        cmd.Parameters.AddWithValue("cloud_color_r", wl.cloudColor.X);
+                        cmd.Parameters.AddWithValue("cloud_color_g", wl.cloudColor.Y);
+                        cmd.Parameters.AddWithValue("cloud_color_b", wl.cloudColor.Z);
+                        cmd.Parameters.AddWithValue("cloud_color_i", wl.cloudColor.W);
+                        cmd.Parameters.AddWithValue("cloud_x", wl.cloudXYDensity.X);
+                        cmd.Parameters.AddWithValue("cloud_y", wl.cloudXYDensity.Y);
+                        cmd.Parameters.AddWithValue("cloud_density", wl.cloudXYDensity.Z);
+                        cmd.Parameters.AddWithValue("cloud_coverage", wl.cloudCoverage);
+                        cmd.Parameters.AddWithValue("cloud_scale", wl.cloudScale);
+                        cmd.Parameters.AddWithValue("cloud_detail_x", wl.cloudDetailXYDensity.X);
+                        cmd.Parameters.AddWithValue("cloud_detail_y", wl.cloudDetailXYDensity.Y);
+                        cmd.Parameters.AddWithValue("cloud_detail_density", wl.cloudDetailXYDensity.Z);
+                        cmd.Parameters.AddWithValue("cloud_scroll_x", wl.cloudScrollX);
+                        cmd.Parameters.AddWithValue("cloud_scroll_x_lock", wl.cloudScrollXLock);
+                        cmd.Parameters.AddWithValue("cloud_scroll_y", wl.cloudScrollY);
+                        cmd.Parameters.AddWithValue("cloud_scroll_y_lock", wl.cloudScrollYLock);
+                        cmd.Parameters.AddWithValue("draw_classic_clouds", wl.drawClassicClouds);
+                        
+                        ExecuteNonQuery(cmd);
+                    }
                 }
             }
         }
 
         public void RemoveRegionWindlightSettings(UUID regionID)
         {
-            using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+            lock (m_dbLock)
             {
-                dbcon.Open();
-
-                using (MySqlCommand cmd = dbcon.CreateCommand())
+                using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
                 {
-                    cmd.CommandText = "delete from `regionwindlight` where `region_id`=?regionID";
-                    cmd.Parameters.AddWithValue("?regionID", regionID.ToString());
-                    ExecuteNonQuery(cmd);
+                    dbcon.Open();
+    
+                    using (MySqlCommand cmd = dbcon.CreateCommand())
+                    {
+                        cmd.CommandText = "delete from `regionwindlight` where `region_id`=?regionID";
+                        cmd.Parameters.AddWithValue("?regionID", regionID.ToString());
+                        ExecuteNonQuery(cmd);
+                    }
                 }
             }
         }
@@ -972,26 +982,29 @@ namespace OpenSim.Data.MySQL
         #region RegionEnvironmentSettings
         public string LoadRegionEnvironmentSettings(UUID regionUUID)
         {
-            using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+            lock (m_dbLock)
             {
-                dbcon.Open();
-
-                string command = "select * from `regionenvironment` where region_id = ?region_id";
-
-                using (MySqlCommand cmd = new MySqlCommand(command))
+                using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
                 {
-                    cmd.Connection = dbcon;
-
-                    cmd.Parameters.AddWithValue("?region_id", regionUUID.ToString());
-
-                    IDataReader result = ExecuteReader(cmd);
-                    if (!result.Read())
+                    dbcon.Open();
+    
+                    string command = "select * from `regionenvironment` where region_id = ?region_id";
+    
+                    using (MySqlCommand cmd = new MySqlCommand(command))
                     {
-                        return String.Empty;
-                    }
-                    else
-                    {
-                        return Convert.ToString(result["llsd_settings"]);
+                        cmd.Connection = dbcon;
+    
+                        cmd.Parameters.AddWithValue("?region_id", regionUUID.ToString());
+    
+                        IDataReader result = ExecuteReader(cmd);
+                        if (!result.Read())
+                        {
+                            return String.Empty;
+                        }
+                        else
+                        {
+                            return Convert.ToString(result["llsd_settings"]);
+                        }
                     }
                 }
             }
@@ -999,33 +1012,39 @@ namespace OpenSim.Data.MySQL
 
         public void StoreRegionEnvironmentSettings(UUID regionUUID, string settings)
         {
-            using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+            lock (m_dbLock)
             {
-                dbcon.Open();
-
-                using (MySqlCommand cmd = dbcon.CreateCommand())
+                using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
                 {
-                    cmd.CommandText = "REPLACE INTO `regionenvironment` (`region_id`, `llsd_settings`) VALUES (?region_id, ?llsd_settings)";
-
-                    cmd.Parameters.AddWithValue("region_id", regionUUID);
-                    cmd.Parameters.AddWithValue("llsd_settings", settings);
-
-                    ExecuteNonQuery(cmd);
+                    dbcon.Open();
+    
+                    using (MySqlCommand cmd = dbcon.CreateCommand())
+                    {
+                        cmd.CommandText = "REPLACE INTO `regionenvironment` (`region_id`, `llsd_settings`) VALUES (?region_id, ?llsd_settings)";
+    
+                        cmd.Parameters.AddWithValue("region_id", regionUUID);
+                        cmd.Parameters.AddWithValue("llsd_settings", settings);
+    
+                        ExecuteNonQuery(cmd);
+                    }
                 }
             }
         }
 
         public void RemoveRegionEnvironmentSettings(UUID regionUUID)
         {
-            using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+            lock (m_dbLock)
             {
-                dbcon.Open();
-
-                using (MySqlCommand cmd = dbcon.CreateCommand())
+                using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
                 {
-                    cmd.CommandText = "delete from `regionenvironment` where region_id = ?region_id";
-                    cmd.Parameters.AddWithValue("?region_id", regionUUID.ToString());
-                    ExecuteNonQuery(cmd);
+                    dbcon.Open();
+    
+                    using (MySqlCommand cmd = dbcon.CreateCommand())
+                    {
+                        cmd.CommandText = "delete from `regionenvironment` where region_id = ?region_id";
+                        cmd.Parameters.AddWithValue("?region_id", regionUUID.ToString());
+                        ExecuteNonQuery(cmd);
+                    }
                 }
             }
         }

OpenSim/Data/MySQL/MySQLXInventoryData.cs

@@ -26,9 +26,10 @@
  */
 
 using System;
-using System.Data;
-using System.Reflection;
 using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Reflection;
 using log4net;
 using MySql.Data.MySqlClient;
 using OpenMetaverse;
@@ -41,12 +42,12 @@ namespace OpenSim.Data.MySQL
     /// </summary>
     public class MySQLXInventoryData : IXInventoryData
     {
-        private MySQLGenericTableHandler<XInventoryFolder> m_Folders;
+        private MySqlFolderHandler m_Folders;
         private MySqlItemHandler m_Items;
 
         public MySQLXInventoryData(string conn, string realm)
         {
-            m_Folders = new MySQLGenericTableHandler<XInventoryFolder>(
+            m_Folders = new MySqlFolderHandler(
                     conn, "inventoryfolders", "InventoryStore");
             m_Items = new MySqlItemHandler(
                     conn, "inventoryitems", String.Empty);
@@ -105,6 +106,11 @@ namespace OpenSim.Data.MySQL
             return m_Items.MoveItem(id, newParent);
         }
 
+        public bool MoveFolder(string id, string newParent)
+        {
+            return m_Folders.MoveFolder(id, newParent);
+        }
+
         public XInventoryItem[] GetActiveGestures(UUID principalID)
         {
             return m_Items.GetActiveGestures(principalID);
@@ -118,22 +124,69 @@ namespace OpenSim.Data.MySQL
 
     public class MySqlItemHandler : MySQLGenericTableHandler<XInventoryItem>
     {
+//        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
         public MySqlItemHandler(string c, string t, string m) :
                 base(c, t, m)
         {
         }
 
+        public override bool Delete(string field, string val)
+        {
+            XInventoryItem[] retrievedItems = Get(new string[] { field }, new string[] { val });
+            if (retrievedItems.Length == 0)
+                return false;
+
+            if (!base.Delete(field, val))
+                return false;
+
+            // Don't increment folder version here since Delete(string, string) calls Delete(string[], string[])
+//            IncrementFolderVersion(retrievedItems[0].parentFolderID);
+
+            return true;
+        }
+
+        public override bool Delete(string[] fields, string[] vals)
+        {
+            XInventoryItem[] retrievedItems = Get(fields, vals);
+            if (retrievedItems.Length == 0)
+                return false;
+
+            if (!base.Delete(fields, vals))
+                return false;
+
+            HashSet<UUID> deletedItemFolderUUIDs = new HashSet<UUID>();
+
+            Array.ForEach<XInventoryItem>(retrievedItems, i => deletedItemFolderUUIDs.Add(i.parentFolderID));
+
+            foreach (UUID deletedItemFolderUUID in deletedItemFolderUUIDs)
+                IncrementFolderVersion(deletedItemFolderUUID);
+
+            return true;
+        }
+
         public bool MoveItem(string id, string newParent)
         {
+            XInventoryItem[] retrievedItems = Get(new string[] { "inventoryID" }, new string[] { id });
+            if (retrievedItems.Length == 0)
+                return false;
+
+            UUID oldParent = retrievedItems[0].parentFolderID;
+
             using (MySqlCommand cmd = new MySqlCommand())
             {
-
                 cmd.CommandText = String.Format("update {0} set parentFolderID = ?ParentFolderID where inventoryID = ?InventoryID", m_Realm);
                 cmd.Parameters.AddWithValue("?ParentFolderID", newParent);
                 cmd.Parameters.AddWithValue("?InventoryID", id);
 
-                return ExecuteNonQuery(cmd) == 0 ? false : true;
+                if (ExecuteNonQuery(cmd) == 0)
+                    return false;
             }
+
+            IncrementFolderVersion(oldParent);
+            IncrementFolderVersion(newParent);
+
+            return true;
         }
 
         public XInventoryItem[] GetActiveGestures(UUID principalID)
@@ -184,6 +237,21 @@ namespace OpenSim.Data.MySQL
             if (!base.Store(item))
                 return false;
 
+            IncrementFolderVersion(item.parentFolderID);
+
+            return true;
+        }
+
+        private bool IncrementFolderVersion(UUID folderID)
+        {
+            return IncrementFolderVersion(folderID.ToString());
+        }
+
+        private bool IncrementFolderVersion(string folderID)
+        {
+//            m_log.DebugFormat("[MYSQL ITEM HANDLER]: Incrementing version on folder {0}", folderID);
+//            Util.PrintCallStack();
+
             using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
             {
                 dbcon.Open();
@@ -193,7 +261,7 @@ namespace OpenSim.Data.MySQL
                     cmd.Connection = dbcon;
 
                     cmd.CommandText = String.Format("update inventoryfolders set version=version+1 where folderID = ?folderID");
-                    cmd.Parameters.AddWithValue("?folderID", item.parentFolderID.ToString());
+                    cmd.Parameters.AddWithValue("?folderID", folderID);
 
                     try
                     {
@@ -205,9 +273,96 @@ namespace OpenSim.Data.MySQL
                     }
                     cmd.Dispose();
                 }
+
                 dbcon.Close();
             }
+
             return true;
         }
     }
-}
+
+    public class MySqlFolderHandler : MySQLGenericTableHandler<XInventoryFolder>
+    {
+//        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        public MySqlFolderHandler(string c, string t, string m) :
+                base(c, t, m)
+        {
+        }
+
+        public bool MoveFolder(string id, string newParentFolderID)
+        {
+            XInventoryFolder[] folders = Get(new string[] { "folderID" }, new string[] { id });
+
+            if (folders.Length == 0)
+                return false;
+
+            UUID oldParentFolderUUID = folders[0].parentFolderID;
+
+            using (MySqlCommand cmd = new MySqlCommand())
+            {
+                cmd.CommandText
+                    = String.Format(
+                        "update {0} set parentFolderID = ?ParentFolderID where folderID = ?folderID", m_Realm);
+                cmd.Parameters.AddWithValue("?ParentFolderID", newParentFolderID);
+                cmd.Parameters.AddWithValue("?folderID", id);
+
+                if (ExecuteNonQuery(cmd) == 0)
+                    return false;
+            }
+
+            IncrementFolderVersion(oldParentFolderUUID);
+            IncrementFolderVersion(newParentFolderID);
+
+            return true;
+        }
+
+        public override bool Store(XInventoryFolder folder)
+        {
+            if (!base.Store(folder))
+                return false;
+
+            IncrementFolderVersion(folder.parentFolderID);
+
+            return true;
+        }
+
+        private bool IncrementFolderVersion(UUID folderID)
+        {
+            return IncrementFolderVersion(folderID.ToString());
+        }
+
+        private bool IncrementFolderVersion(string folderID)
+        {
+//            m_log.DebugFormat("[MYSQL FOLDER HANDLER]: Incrementing version on folder {0}", folderID);
+//            Util.PrintCallStack();
+
+            using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
+            {
+                dbcon.Open();
+
+                using (MySqlCommand cmd = new MySqlCommand())
+                {
+                    cmd.Connection = dbcon;
+
+                    cmd.CommandText = String.Format("update inventoryfolders set version=version+1 where folderID = ?folderID");
+                    cmd.Parameters.AddWithValue("?folderID", folderID);
+
+                    try
+                    {
+                        cmd.ExecuteNonQuery();
+                    }
+                    catch (Exception)
+                    {
+                        return false;
+                    }
+                    cmd.Dispose();
+                }
+
+                dbcon.Close();
+            }
+
+            return true;
+        }
+    }
+}

OpenSim/Data/SQLite/SQLiteXInventoryData.cs

@@ -47,7 +47,7 @@ namespace OpenSim.Data.SQLite
     {
 //        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
-        private SQLiteGenericTableHandler<XInventoryFolder> m_Folders;
+        private SqliteFolderHandler m_Folders;
         private SqliteItemHandler m_Items;
 
         public SQLiteXInventoryData(string conn, string realm)
@@ -55,7 +55,7 @@ namespace OpenSim.Data.SQLite
             if (Util.IsWindows())
                 Util.LoadArchSpecificWindowsDll("sqlite3.dll");
 
-            m_Folders = new SQLiteGenericTableHandler<XInventoryFolder>(
+            m_Folders = new SqliteFolderHandler(
                     conn, "inventoryfolders", "XInventoryStore");
             m_Items = new SqliteItemHandler(
                     conn, "inventoryitems", String.Empty);
@@ -114,6 +114,11 @@ namespace OpenSim.Data.SQLite
             return m_Items.MoveItem(id, newParent);
         }
 
+        public bool MoveFolder(string id, string newParent)
+        {
+            return m_Folders.MoveFolder(id, newParent);
+        }
+
         public XInventoryItem[] GetActiveGestures(UUID principalID)
         {
             return m_Items.GetActiveGestures(principalID);
@@ -177,4 +182,23 @@ namespace OpenSim.Data.SQLite
             return perms;
         }
     }
-}
+
+    public class SqliteFolderHandler : SQLiteGenericTableHandler<XInventoryFolder>
+    {
+        public SqliteFolderHandler(string c, string t, string m) :
+                base(c, t, m)
+        {
+        }
+
+        public bool MoveFolder(string id, string newParentFolderID)
+        {
+            SqliteCommand cmd = new SqliteCommand();
+
+            cmd.CommandText = String.Format("update {0} set parentFolderID = :ParentFolderID where folderID = :FolderID", m_Realm);
+            cmd.Parameters.Add(new SqliteParameter(":ParentFolderID", newParentFolderID));
+            cmd.Parameters.Add(new SqliteParameter(":FolderID", id));
+
+            return ExecuteNonQuery(cmd, m_Connection) == 0 ? false : true;
+        }
+    }
+}

OpenSim/Framework/Cache.cs

@@ -199,7 +199,14 @@ namespace OpenSim.Framework
     //
     public class Cache
     {
+        /// <summary>
+        /// Must only be accessed under lock.
+        /// </summary>
         private List<CacheItemBase> m_Index = new List<CacheItemBase>();
+
+        /// <summary>
+        /// Must only be accessed under m_Index lock.
+        /// </summary>
         private Dictionary<string, CacheItemBase> m_Lookup =
             new Dictionary<string, CacheItemBase>();
 
@@ -320,19 +327,19 @@ namespace OpenSim.Framework
             {
                 if (m_Lookup.ContainsKey(index))
                     item = m_Lookup[index];
-            }
 
-            if (item == null)
-            {
+                if (item == null)
+                {
+                    Expire(true);
+                    return null;
+                }
+    
+                item.hits++;
+                item.lastUsed = DateTime.Now;
+    
                 Expire(true);
-                return null;
             }
 
-            item.hits++;
-            item.lastUsed = DateTime.Now;
-
-            Expire(true);
-
             return item;
         }
 
@@ -385,7 +392,10 @@ namespace OpenSim.Framework
         //
         public Object Find(Predicate<CacheItemBase> d)
         {
-            CacheItemBase item = m_Index.Find(d);
+            CacheItemBase item;
+
+            lock (m_Index)
+                item = m_Index.Find(d);
 
             if (item == null)
                 return null;
@@ -419,12 +429,12 @@ namespace OpenSim.Framework
         public virtual void Store(string index, Object data, Type container,
                 Object[] parameters)
         {
-            Expire(false);
-
             CacheItemBase item;
 
             lock (m_Index)
             {
+                Expire(false);
+
                 if (m_Index.Contains(new CacheItemBase(index)))
                 {
                     if ((m_Flags & CacheFlags.AllowUpdate) != 0)
@@ -450,9 +460,17 @@ namespace OpenSim.Framework
                 m_Index.Add(item);
                 m_Lookup[index] = item;
             }
+
             item.Store(data);
         }
 
+        /// <summary>
+        /// Expire items as appropriate.
+        /// </summary>
+        /// <remarks>
+        /// Callers must lock m_Index.
+        /// </remarks>
+        /// <param name='getting'></param>
         protected virtual void Expire(bool getting)
         {
             if (getting && (m_Strategy == CacheStrategy.Aggressive))
@@ -475,12 +493,10 @@ namespace OpenSim.Framework
 
             switch (m_Strategy)
             {
-            case CacheStrategy.Aggressive:
-                if (Count < Size)
-                    return;
+                case CacheStrategy.Aggressive:
+                    if (Count < Size)
+                        return;
 
-                lock (m_Index)
-                {
                     m_Index.Sort(new SortLRU());
                     m_Index.Reverse();
 
@@ -490,7 +506,7 @@ namespace OpenSim.Framework
 
                     ExpireDelegate doExpire = OnExpire;
 
-                if (doExpire != null)
+                    if (doExpire != null)
                     {
                         List<CacheItemBase> candidates =
                                 m_Index.GetRange(target, Count - target);
@@ -513,27 +529,34 @@ namespace OpenSim.Framework
                         foreach (CacheItemBase item in m_Index)
                             m_Lookup[item.uuid] = item;
                     }
-                }
-                break;
-            default:
-                break;
+
+                    break;
+
+                    default:
+                        break;
             }
         }
 
         public void Invalidate(string uuid)
         {
-            if (!m_Lookup.ContainsKey(uuid))
-                return;
+            lock (m_Index)
+            {
+                if (!m_Lookup.ContainsKey(uuid))
+                    return;
 
-            CacheItemBase item = m_Lookup[uuid];
-            m_Lookup.Remove(uuid);
-            m_Index.Remove(item);
+                CacheItemBase item = m_Lookup[uuid];
+                m_Lookup.Remove(uuid);
+                m_Index.Remove(item);
+            }
         }
 
         public void Clear()
         {
-            m_Index.Clear();
-            m_Lookup.Clear();
+            lock (m_Index)
+            {
+                m_Index.Clear();
+                m_Lookup.Clear();
+            }
         }
     }
-}
+}

OpenSim/Framework/Console/ConsoleUtil.cs

@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using log4net;
+using OpenMetaverse;
+
+public class ConsoleUtil
+{
+//    private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+    public const string MinRawConsoleVectorValue = "-~";
+    public const string MaxRawConsoleVectorValue = "~";
+
+    public const string VectorSeparator = ",";
+    public static char[] VectorSeparatorChars = VectorSeparator.ToCharArray();
+
+    /// <summary>
+    /// Convert a minimum vector input from the console to an OpenMetaverse.Vector3
+    /// </summary>
+    /// <param name='rawConsoleVector'>/param>
+    /// <param name='vector'></param>
+    /// <returns></returns>
+    public static bool TryParseConsoleMinVector(string rawConsoleVector, out Vector3 vector)
+    {
+        return TryParseConsoleVector(rawConsoleVector, c => float.MinValue.ToString(), out vector);
+    }
+
+    /// <summary>
+    /// Convert a maximum vector input from the console to an OpenMetaverse.Vector3
+    /// </summary>
+    /// <param name='rawConsoleVector'>/param>
+    /// <param name='vector'></param>
+    /// <returns></returns>
+    public static bool TryParseConsoleMaxVector(string rawConsoleVector, out Vector3 vector)
+    {
+        return TryParseConsoleVector(rawConsoleVector, c => float.MaxValue.ToString(), out vector);
+    }
+
+    /// <summary>
+    /// Convert a vector input from the console to an OpenMetaverse.Vector3
+    /// </summary>
+    /// <param name='rawConsoleVector'>
+    /// A string in the form <x>,<y>,<z> where there is no space between values.
+    /// Any component can be missing (e.g. ,,40).  blankComponentFunc is invoked to replace the blank with a suitable value
+    /// Also, if the blank component is at the end, then the comma can be missed off entirely (e.g. 40,30 or 40)
+    /// The strings "~" and "-~" are valid in components.  The first substitutes float.MaxValue whilst the second is float.MinValue
+    /// Other than that, component values must be numeric.
+    /// </param>
+    /// <param name='blankComponentFunc'></param>
+    /// <param name='vector'></param>
+    /// <returns></returns>
+    public static bool TryParseConsoleVector(
+        string rawConsoleVector, Func<string, string> blankComponentFunc, out Vector3 vector)
+    {
+        List<string> components = rawConsoleVector.Split(VectorSeparatorChars).ToList();
+
+        if (components.Count < 1 || components.Count > 3)
+        {
+            vector = Vector3.Zero;
+            return false;
+        }
+
+        for (int i = components.Count; i < 3; i++)
+            components.Add("");
+
+        List<string> semiDigestedComponents
+            = components.ConvertAll<string>(
+                c =>
+                {
+                    if (c == "")
+                        return blankComponentFunc.Invoke(c);
+                    else if (c == MaxRawConsoleVectorValue)
+                        return float.MaxValue.ToString();
+                    else if (c == MinRawConsoleVectorValue)
+                        return float.MinValue.ToString();
+                    else
+                        return c;
+                });
+
+        string semiDigestedConsoleVector = string.Join(VectorSeparator, semiDigestedComponents.ToArray());
+
+//        m_log.DebugFormat("[CONSOLE UTIL]: Parsing {0} into OpenMetaverse.Vector3", semiDigestedConsoleVector);
+
+        return Vector3.TryParse(semiDigestedConsoleVector, out vector);
+    }
+}

OpenSim/Framework/Constants.cs

@@ -31,6 +31,7 @@ namespace OpenSim.Framework
     public class Constants
     {
         public const uint RegionSize = 256;
+        public const uint RegionHeight = 4096;
         public const byte TerrainPatchSize = 16;
         public const string DefaultTexture = "89556747-24cb-43ed-920b-47caed15465f";
 

OpenSim/Framework/IClientAPI.cs

@@ -805,8 +805,23 @@ namespace OpenSim.Framework
         event Action<IClientAPI> OnRegionHandShakeReply;
         event GenericCall1 OnRequestWearables;
         event Action<IClientAPI, bool> OnCompleteMovementToRegion;
+
+        /// <summary>
+        /// Called when an AgentUpdate message is received and before OnAgentUpdate.
+        /// </summary>
+        /// <remarks>
+        /// Listeners must not retain a reference to AgentUpdateArgs since this object may be reused for subsequent AgentUpdates.
+        /// </remarks>
         event UpdateAgent OnPreAgentUpdate;
+
+        /// <summary>
+        /// Called when an AgentUpdate message is received and after OnPreAgentUpdate.
+        /// </summary>
+        /// <remarks>
+        /// Listeners must not retain a reference to AgentUpdateArgs since this object may be reused for subsequent AgentUpdates.
+        /// </remarks>
         event UpdateAgent OnAgentUpdate;
+
         event AgentRequestSit OnAgentRequestSit;
         event AgentSit OnAgentSit;
         event AvatarPickerRequest OnAvatarPickerRequest;
@@ -1033,7 +1048,21 @@ namespace OpenSim.Framework
 
         void InPacket(object NewPack);
         void ProcessInPacket(Packet NewPack);
+
+        /// <summary>
+        /// Close this client
+        /// </summary>
         void Close();
+
+        /// <summary>
+        /// Close this client
+        /// </summary>
+        /// <param name='force'>
+        /// If true, attempts the close without checking active status.  You do not want to try this except as a last
+        /// ditch attempt where Active == false but the ScenePresence still exists.
+        /// </param>
+        void Close(bool force);
+
         void Kick(string message);
         
         /// <summary>

OpenSim/Framework/InventoryFolderBase.cs

@@ -73,33 +73,27 @@ namespace OpenSim.Framework
         {
         }
 
-        public InventoryFolderBase(UUID id)
+        public InventoryFolderBase(UUID id) : this()
         {
             ID = id;
         }
 
-        public InventoryFolderBase(UUID id, UUID owner)
+        public InventoryFolderBase(UUID id, UUID owner) : this(id)
         {
-            ID = id;
             Owner = owner;
         }
 
-        public InventoryFolderBase(UUID id, string name, UUID owner, UUID parent)
+        public InventoryFolderBase(UUID id, string name, UUID owner, UUID parent) : this(id, owner)
         {
-            ID = id;
             Name = name;
-            Owner = owner;
             ParentID = parent;
         }
 
-        public InventoryFolderBase(UUID id, string name, UUID owner, short type, UUID parent, ushort version)
+        public InventoryFolderBase(
+            UUID id, string name, UUID owner, short type, UUID parent, ushort version) : this(id, name, owner, parent)
         {
-            ID = id;
-            Name = name;
-            Owner = owner;
             Type = type;
-            ParentID = parent;
             Version = version;
         }
     }
-}
+}

OpenSim/Framework/Monitoring/BaseStatsCollector.cs

@@ -49,7 +49,11 @@ namespace OpenSim.Framework.Monitoring
                 Math.Round(GC.GetTotalMemory(false) / 1024.0 / 1024.0));
 
             sb.AppendFormat(
-                "OpenSim object memory churn : {0} MB/s\n",
+                "OpenSim last object memory churn    : {0} MB/s\n",
+                Math.Round((MemoryWatchdog.LastMemoryChurn * 1000) / 1024.0 / 1024, 3));
+
+            sb.AppendFormat(
+                "OpenSim average object memory churn : {0} MB/s\n",
                 Math.Round((MemoryWatchdog.AverageMemoryChurn * 1000) / 1024.0 / 1024, 3));
 
             sb.AppendFormat(

OpenSim/Framework/Monitoring/MemoryWatchdog.cs

@@ -60,13 +60,21 @@ namespace OpenSim.Framework.Monitoring
         private static bool m_enabled;
 
         /// <summary>
-        /// Average memory churn in bytes per millisecond.
+        /// Last memory churn in bytes per millisecond.
         /// </summary>
         public static double AverageMemoryChurn
         {
             get { if (m_samples.Count > 0) return m_samples.Average(); else return 0; }
         }
 
+        /// <summary>
+        /// Average memory churn in bytes per millisecond.
+        /// </summary>
+        public static double LastMemoryChurn
+        {
+            get { if (m_samples.Count > 0) return m_samples.Last(); else return 0; }
+        }
+
         /// <summary>
         /// Maximum number of statistical samples.
         /// </summary>

OpenSim/Framework/Monitoring/SimExtraStatsCollector.cs

@@ -355,10 +355,25 @@ Asset service request failures: {3}" + Environment.NewLine,
             sb.Append(Environment.NewLine);
             sb.Append(
                 string.Format(
-                    "{0,6:0}  {1,6:0}  {2,6:0}  {3,6:0}  {4,6:0}  {5,6:0.0}  {6,6:0.0}  {7,6:0.0}  {8,6:0.0}  {9,6:0.0}  {10,6:0.0}",
+                    "{0,6:0}  {1,6:0}  {2,6:0}  {3,6:0}  {4,6:0}  {5,6:0.0}  {6,6:0.0}  {7,6:0.0}  {8,6:0.0}  {9,6:0.0}  {10,6:0.0}\n\n",
                     inPacketsPerSecond, outPacketsPerSecond, pendingDownloads, pendingUploads, unackedBytes, totalFrameTime,
                     netFrameTime, physicsFrameTime, otherFrameTime, agentFrameTime, imageFrameTime));
-            sb.Append(Environment.NewLine);
+
+            Dictionary<string, Dictionary<string, Stat>> sceneStats;
+
+            if (StatsManager.TryGetStats("scene", out sceneStats))
+            {
+                foreach (KeyValuePair<string, Dictionary<string, Stat>> kvp in sceneStats)
+                {
+                    foreach (Stat stat in kvp.Value.Values)
+                    {
+                        if (stat.Verbosity == StatVerbosity.Info)
+                        {
+                            sb.AppendFormat("{0} ({1}): {2}{3}\n", stat.Name, stat.Container, stat.Value, stat.UnitName);
+                        }
+                    }
+                }
+            }
 
             /*
             sb.Append(Environment.NewLine);

OpenSim/Framework/Monitoring/StatsManager.cs

@@ -25,6 +25,9 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+using System;
+using System.Collections.Generic;
+
 namespace OpenSim.Framework.Monitoring
 {
     /// <summary>
@@ -32,6 +35,24 @@ namespace OpenSim.Framework.Monitoring
     /// </summary>
     public class StatsManager
     {
+        // Subcommand used to list other stats.
+        public const string AllSubCommand = "all";
+
+        // Subcommand used to list other stats.
+        public const string ListSubCommand = "list";
+
+        // All subcommands
+        public static HashSet<string> SubCommands = new HashSet<string> { AllSubCommand, ListSubCommand };
+
+        /// <summary>
+        /// Registered stats categorized by category/container/shortname
+        /// </summary>
+        /// <remarks>
+        /// Do not add or remove directly from this dictionary.
+        /// </remarks>
+        public static Dictionary<string, Dictionary<string, Dictionary<string, Stat>>> RegisteredStats
+            = new Dictionary<string, Dictionary<string, Dictionary<string, Stat>>>();
+
         private static AssetStatsCollector assetStats;
         private static UserStatsCollector userStats;
         private static SimExtraStatsCollector simExtraStats = new SimExtraStatsCollector();
@@ -40,6 +61,75 @@ namespace OpenSim.Framework.Monitoring
         public static UserStatsCollector UserStats { get { return userStats; } }
         public static SimExtraStatsCollector SimExtraStats { get { return simExtraStats; } }
 
+        public static void RegisterConsoleCommands(ICommandConsole console)
+        {
+            console.Commands.AddCommand(
+                "General",
+                false,
+                "show stats",
+                "show stats [list|all|<category>]",
+                "Show statistical information for this server",
+                "If no final argument is specified then legacy statistics information is currently shown.\n"
+                    + "If list is specified then statistic categories are shown.\n"
+                    + "If all is specified then all registered statistics are shown.\n"
+                    + "If a category name is specified then only statistics from that category are shown.\n"
+                    + "THIS STATS FACILITY IS EXPERIMENTAL AND DOES NOT YET CONTAIN ALL STATS",
+                HandleShowStatsCommand);
+        }
+
+        public static void HandleShowStatsCommand(string module, string[] cmd)
+        {
+            ICommandConsole con = MainConsole.Instance;
+
+            if (cmd.Length > 2)
+            {
+                var categoryName = cmd[2];
+
+                if (categoryName == AllSubCommand)
+                {
+                    foreach (var category in RegisteredStats.Values)
+                    {
+                        OutputCategoryStatsToConsole(con, category);
+                    }
+                }
+                else if (categoryName == ListSubCommand)
+                {
+                    con.Output("Statistic categories available are:");
+                    foreach (string category in RegisteredStats.Keys)
+                        con.OutputFormat("  {0}", category);
+                }
+                else
+                {
+                    Dictionary<string, Dictionary<string, Stat>> category;
+                    if (!RegisteredStats.TryGetValue(categoryName, out category))
+                    {
+                        con.OutputFormat("No such category as {0}", categoryName);
+                    }
+                    else
+                    {
+                        OutputCategoryStatsToConsole(con, category);
+                    }
+                }
+            }
+            else
+            {
+                // Legacy
+                con.Output(SimExtraStats.Report());
+            }
+        }
+
+        private static void OutputCategoryStatsToConsole(
+            ICommandConsole con, Dictionary<string, Dictionary<string, Stat>> category)
+        {
+            foreach (var container in category.Values)
+            {
+                foreach (Stat stat in container.Values)
+                {
+                    con.Output(stat.ToConsoleString());
+                }
+            }
+        }
+
         /// <summary>
         /// Start collecting statistics related to assets.
         /// Should only be called once.
@@ -61,5 +151,224 @@ namespace OpenSim.Framework.Monitoring
 
             return userStats;
         }
+
+        /// <summary>
+        /// Registers a statistic.
+        /// </summary>
+        /// <param name='stat'></param>
+        /// <returns></returns>
+        public static bool RegisterStat(Stat stat)
+        {
+            Dictionary<string, Dictionary<string, Stat>> category = null, newCategory;
+            Dictionary<string, Stat> container = null, newContainer;
+
+            lock (RegisteredStats)
+            {
+                // Stat name is not unique across category/container/shortname key.
+                // XXX: For now just return false.  This is to avoid problems in regression tests where all tests
+                // in a class are run in the same instance of the VM.
+                if (TryGetStat(stat, out category, out container))
+                    return false;
+
+                // We take a copy-on-write approach here of replacing dictionaries when keys are added or removed.
+                // This means that we don't need to lock or copy them on iteration, which will be a much more
+                // common operation after startup.
+                if (container != null)
+                    newContainer = new Dictionary<string, Stat>(container);
+                else
+                    newContainer = new Dictionary<string, Stat>();
+
+                if (category != null)
+                    newCategory = new Dictionary<string, Dictionary<string, Stat>>(category);
+                else
+                    newCategory = new Dictionary<string, Dictionary<string, Stat>>();
+
+                newContainer[stat.ShortName] = stat;
+                newCategory[stat.Container] = newContainer;
+                RegisteredStats[stat.Category] = newCategory;
+            }
+
+            return true;
+        }
+
+        /// <summary>
+        /// Deregister a statistic
+        /// </summary>>
+        /// <param name='stat'></param>
+        /// <returns></returns
+        public static bool DeregisterStat(Stat stat)
+        {
+            Dictionary<string, Dictionary<string, Stat>> category = null, newCategory;
+            Dictionary<string, Stat> container = null, newContainer;
+
+            lock (RegisteredStats)
+            {
+                if (!TryGetStat(stat, out category, out container))
+                    return false;
+
+                newContainer = new Dictionary<string, Stat>(container);
+                newContainer.Remove(stat.UniqueName);
+
+                newCategory = new Dictionary<string, Dictionary<string, Stat>>(category);
+                newCategory.Remove(stat.Container);
+
+                newCategory[stat.Container] = newContainer;
+                RegisteredStats[stat.Category] = newCategory;
+
+                return true;
+            }
+        }
+
+        public static bool TryGetStats(string category, out Dictionary<string, Dictionary<string, Stat>> stats)
+        {
+            return RegisteredStats.TryGetValue(category, out stats);
+        }
+
+        public static bool TryGetStat(
+            Stat stat,
+            out Dictionary<string, Dictionary<string, Stat>> category,
+            out Dictionary<string, Stat> container)
+        {
+            category = null;
+            container = null;
+
+            lock (RegisteredStats)
+            {
+                if (RegisteredStats.TryGetValue(stat.Category, out category))
+                {
+                    if (category.TryGetValue(stat.Container, out container))
+                    {
+                        if (container.ContainsKey(stat.ShortName))
+                            return true;
+                    }
+                }
+            }
+
+            return false;
+        }
+    }
+
+    /// <summary>
+    /// Verbosity of stat.
+    /// </summary>
+    /// <remarks>
+    /// Info will always be displayed.
+    /// </remarks>
+    public enum StatVerbosity
+    {
+        Debug,
+        Info
+    }
+
+    /// <summary>
+    /// Holds individual static details
+    /// </summary>
+    public class Stat
+    {
+        /// <summary>
+        /// Unique stat name used for indexing.  Each ShortName in a Category must be unique.
+        /// </summary>
+        public string UniqueName { get; private set; }
+
+        /// <summary>
+        /// Category of this stat (e.g. cache, scene, etc).
+        /// </summary>
+        public string Category { get; private set; }
+
+        /// <summary>
+        /// Containing name for this stat.
+        /// FIXME: In the case of a scene, this is currently the scene name (though this leaves
+        /// us with a to-be-resolved problem of non-unique region names).
+        /// </summary>
+        /// <value>
+        /// The container.
+        /// </value>
+        public string Container { get; private set; }
+
+        public StatVerbosity Verbosity { get; private set; }
+        public string ShortName { get; private set; }
+        public string Name { get; private set; }
+        public string Description { get; private set; }
+        public virtual string UnitName { get; private set; }
+
+        public virtual double Value { get; set; }
+
+        /// <summary>
+        /// Constructor
+        /// </summary>
+        /// <param name='shortName'>Short name for the stat.  Must not contain spaces.  e.g. "LongFrames"</param>
+        /// <param name='name'>Human readable name for the stat.  e.g. "Long frames"</param>
+        /// <param name='unitName'>
+        /// Unit name for the stat.  Should be preceeded by a space if the unit name isn't normally appeneded immediately to the value.
+        /// e.g. " frames"
+        /// </param>
+        /// <param name='category'>Category under which this stat should appear, e.g. "scene".  Do not capitalize.</param>
+        /// <param name='container'>Entity to which this stat relates.  e.g. scene name if this is a per scene stat.</param>
+        /// <param name='verbosity'>Verbosity of stat.  Controls whether it will appear in short stat display or only full display.</param>
+        /// <param name='description'>Description of stat</param>
+        public Stat(
+            string shortName, string name, string unitName, string category, string container, StatVerbosity verbosity, string description)
+        {
+            if (StatsManager.SubCommands.Contains(category))
+                throw new Exception(
+                    string.Format("Stat cannot be in category '{0}' since this is reserved for a subcommand", category));
+
+            ShortName = shortName;
+            Name = name;
+            UnitName = unitName;
+            Category = category;
+            Container = container;
+            Verbosity = verbosity;
+            Description = description;
+
+            UniqueName = GenUniqueName(Container, Category, ShortName);
+        }
+
+        public static string GenUniqueName(string container, string category, string shortName)
+        {
+            return string.Format("{0}+{1}+{2}", container, category, shortName);
+        }
+
+        public virtual string ToConsoleString()
+        {
+            return string.Format(
+                "{0}.{1}.{2} : {3}{4}", Category, Container, ShortName, Value, UnitName);
+        }
+    }
+
+    public class PercentageStat : Stat
+    {
+        public int Antecedent { get; set; }
+        public int Consequent { get; set; }
+
+        public override double Value
+        {
+            get
+            {
+                int c = Consequent;
+
+                // Avoid any chance of a multi-threaded divide-by-zero
+                if (c == 0)
+                    return 0;
+
+                return (double)Antecedent / c * 100;
+            }
+
+            set
+            {
+                throw new Exception("Cannot set value on a PercentageStat");
+            }
+        }
+
+        public PercentageStat(
+            string shortName, string name, string category, string container, StatVerbosity verbosity, string description)
+            : base(shortName, name, "%", category, container, verbosity, description) {}
+
+        public override string ToConsoleString()
+        {
+            return string.Format(
+                "{0}.{1}.{2} : {3:0.##}{4} ({5}/{6})",
+                Category, Container, ShortName, Value, UnitName, Antecedent, Consequent);
+        }
     }
 }

OpenSim/Framework/Monitoring/Watchdog.cs

@@ -89,6 +89,17 @@ namespace OpenSim.Framework.Monitoring
                 FirstTick = Environment.TickCount & Int32.MaxValue;
                 LastTick = FirstTick;
             }
+
+            public ThreadWatchdogInfo(ThreadWatchdogInfo previousTwi)
+            {
+                Thread = previousTwi.Thread;
+                FirstTick = previousTwi.FirstTick;
+                LastTick = previousTwi.LastTick;
+                Timeout = previousTwi.Timeout;
+                IsTimedOut = previousTwi.IsTimedOut;
+                AlarmIfTimeout = previousTwi.AlarmIfTimeout;
+                AlarmMethod = previousTwi.AlarmMethod;
+            }
         }
 
         /// <summary>
@@ -97,6 +108,32 @@ namespace OpenSim.Framework.Monitoring
         /// /summary>
         public static event Action<ThreadWatchdogInfo> OnWatchdogTimeout;
 
+        /// <summary>
+        /// Is this watchdog active?
+        /// </summary>
+        public static bool Enabled
+        {
+            get { return m_enabled; }
+            set
+            {
+//                m_log.DebugFormat("[MEMORY WATCHDOG]: Setting MemoryWatchdog.Enabled to {0}", value);
+
+                if (value == m_enabled)
+                    return;
+
+                m_enabled = value;
+
+                if (m_enabled)
+                {
+                    // Set now so we don't get alerted on the first run
+                    LastWatchdogThreadTick = Environment.TickCount & Int32.MaxValue;
+                }
+
+                m_watchdogTimer.Enabled = m_enabled;
+            }
+        }
+        private static bool m_enabled;
+
         private static readonly ILog m_log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
         private static Dictionary<int, ThreadWatchdogInfo> m_threads;
         private static System.Timers.Timer m_watchdogTimer;
@@ -115,11 +152,6 @@ namespace OpenSim.Framework.Monitoring
             m_watchdogTimer = new System.Timers.Timer(WATCHDOG_INTERVAL_MS);
             m_watchdogTimer.AutoReset = false;
             m_watchdogTimer.Elapsed += WatchdogTimerElapsed;
-
-            // Set now so we don't get alerted on the first run
-            LastWatchdogThreadTick = Environment.TickCount & Int32.MaxValue;
-
-            m_watchdogTimer.Start();
         }
 
         /// <summary>
@@ -199,7 +231,25 @@ namespace OpenSim.Framework.Monitoring
         private static bool RemoveThread(int threadID)
         {
             lock (m_threads)
-                return m_threads.Remove(threadID);
+            {
+                ThreadWatchdogInfo twi;
+                if (m_threads.TryGetValue(threadID, out twi))
+                {
+                    m_log.DebugFormat(
+                        "[WATCHDOG]: Removing thread {0}, ID {1}", twi.Thread.Name, twi.Thread.ManagedThreadId);
+
+                    m_threads.Remove(threadID);
+
+                    return true;
+                }
+                else
+                {
+                    m_log.WarnFormat(
+                        "[WATCHDOG]: Requested to remove thread with ID {0} but this is not being monitored", threadID);
+
+                    return false;
+                }
+            }
         }
 
         public static bool AbortThread(int threadID)
@@ -314,7 +364,9 @@ namespace OpenSim.Framework.Monitoring
                                 if (callbackInfos == null)
                                     callbackInfos = new List<ThreadWatchdogInfo>();
 
-                                callbackInfos.Add(threadInfo);
+                                // Send a copy of the watchdog info to prevent race conditions where the watchdog
+                                // thread updates the monitoring info after an alarm has been sent out.
+                                callbackInfos.Add(new ThreadWatchdogInfo(threadInfo));
                             }
                         }
                     }

OpenSim/Framework/Pool.cs

@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+
+namespace OpenSim.Framework
+{
+    /// <summary>
+    /// Naive pool implementation.
+    /// </summary>
+    /// <remarks>
+    /// Currently assumes that objects are in a useable state when returned.
+    /// </remarks>
+    public class Pool<T>
+    {
+        private Stack<T> m_pool;
+
+        private int m_maxPoolSize;
+
+        private Func<T> m_createFunction;
+
+        public Pool(Func<T> createFunction, int maxSize)
+        {
+            m_maxPoolSize = maxSize;
+            m_createFunction = createFunction;
+            m_pool = new Stack<T>(m_maxPoolSize);
+        }
+
+        public T GetObject()
+        {
+            lock (m_pool)
+            {
+                if (m_pool.Count > 0)
+                    return m_pool.Pop();
+                else
+                    return m_createFunction();
+            }
+        }
+
+        public void ReturnObject(T obj)
+        {
+            lock (m_pool)
+            {
+                if (m_pool.Count >= m_maxPoolSize)
+                    return;
+                else
+                    m_pool.Push(obj);
+            }
+        }
+    }
+}

OpenSim/Framework/Serialization/External/OspResolver.cs

@@ -65,9 +65,14 @@ namespace OpenSim.Framework.Serialization
 
             UserAccount account = userService.GetUserAccount(UUID.Zero, userId);
             if (account != null)
+            {
                 return MakeOspa(account.FirstName, account.LastName);
+            }
 //            else
+//            {
 //                m_log.WarnFormat("[OSP RESOLVER]: No user account for {0}", userId);
+//                System.Console.WriteLine("[OSP RESOLVER]: No user account for {0}", userId);
+//            }
 
             return null;
         }
@@ -79,10 +84,13 @@ namespace OpenSim.Framework.Serialization
         /// <returns></returns>
         public static string MakeOspa(string firstName, string lastName)
         {
-//            m_log.DebugFormat("[OSP RESOLVER]: Making OSPA for {0} {1}", firstName, lastName);
+            string ospa
+                = OSPA_PREFIX + OSPA_NAME_KEY + OSPA_PAIR_SEPARATOR + firstName + OSPA_NAME_VALUE_SEPARATOR + lastName;
+
+//            m_log.DebugFormat("[OSP RESOLVER]: Made OSPA {0} for {1} {2}", ospa, firstName, lastName);
+//            System.Console.WriteLine("[OSP RESOLVER]: Made OSPA {0} for {1} {2}", ospa, firstName, lastName);
             
-            return 
-                OSPA_PREFIX + OSPA_NAME_KEY + OSPA_PAIR_SEPARATOR + firstName + OSPA_NAME_VALUE_SEPARATOR + lastName;
+            return ospa;
         }
         
         /// <summary>

OpenSim/Framework/Servers/BaseOpenSimServer.cs

@@ -96,11 +96,6 @@ namespace OpenSim.Framework.Servers
             get { return m_httpServer; }
         }
 
-        /// <summary>
-        /// Holds the non-viewer statistics collection object for this service/server
-        /// </summary>
-        protected IStatsCollector m_stats;
-
         public BaseOpenSimServer()
         {
             m_startuptime = DateTime.Now;
@@ -177,10 +172,6 @@ namespace OpenSim.Framework.Servers
                         "show info",
                         "Show general information about the server", HandleShow);
 
-                m_console.Commands.AddCommand("General", false, "show stats",
-                        "show stats",
-                        "Show statistics", HandleShow);
-
                 m_console.Commands.AddCommand("General", false, "show threads",
                         "show threads",
                         "Show thread status", HandleShow);
@@ -226,12 +217,7 @@ namespace OpenSim.Framework.Servers
         {
             StringBuilder sb = new StringBuilder("DIAGNOSTICS\n\n");
             sb.Append(GetUptimeReport());
-
-            if (m_stats != null)
-            {
-                sb.Append(m_stats.Report());
-            }
-
+            sb.Append(StatsManager.SimExtraStats.Report());
             sb.Append(Environment.NewLine);
             sb.Append(GetThreadsReport());
 
@@ -382,10 +368,6 @@ namespace OpenSim.Framework.Servers
             {
                 Notice("set log level [level] - change the console logging level only.  For example, off or debug.");
                 Notice("show info - show server information (e.g. startup path).");
-
-                if (m_stats != null)
-                    Notice("show stats - show statistical information for this server");
-
                 Notice("show threads - list tracked threads");
                 Notice("show uptime - show server startup time and uptime.");
                 Notice("show version - show server version.");
@@ -409,11 +391,6 @@ namespace OpenSim.Framework.Servers
                     ShowInfo();
                     break;
 
-                case "stats":
-                    if (m_stats != null)
-                        Notice(m_stats.Report());
-                    break;
-
                 case "threads":
                     Notice(GetThreadsReport());
                     break;
@@ -604,8 +581,7 @@ namespace OpenSim.Framework.Servers
         
         public string osSecret {
             // Secret uuid for the simulator
-            get { return m_osSecret; }
-            
+            get { return m_osSecret; }            
         }
 
         public string StatReport(IOSHttpRequest httpRequest)
@@ -613,11 +589,11 @@ namespace OpenSim.Framework.Servers
             // If we catch a request for "callback", wrap the response in the value for jsonp
             if (httpRequest.Query.ContainsKey("callback"))
             {
-                return httpRequest.Query["callback"].ToString() + "(" + m_stats.XReport((DateTime.Now - m_startuptime).ToString() , m_version) + ");";
+                return httpRequest.Query["callback"].ToString() + "(" + StatsManager.SimExtraStats.XReport((DateTime.Now - m_startuptime).ToString() , m_version) + ");";
             } 
             else 
             {
-                return m_stats.XReport((DateTime.Now - m_startuptime).ToString() , m_version); 
+                return StatsManager.SimExtraStats.XReport((DateTime.Now - m_startuptime).ToString() , m_version);
             }
         }
            

OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs

@@ -54,8 +54,23 @@ namespace OpenSim.Framework.Servers.HttpServer
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
         private HttpServerLogWriter httpserverlog = new HttpServerLogWriter();
 
+        /// <summary>
+        /// Gets or sets the debug level.
+        /// </summary>
+        /// <value>
+        /// See MainServer.DebugLevel.
+        /// </value>
         public int DebugLevel { get; set; }
 
+        /// <summary>
+        /// Request number for diagnostic purposes.
+        /// </summary>
+        /// <remarks>
+        /// This is an internal number.  In some debug situations an external number may also be supplied in the
+        /// opensim-request-id header but we are not currently logging this.
+        /// </remarks>
+        public int RequestNumber { get; private set; }
+
         private volatile int NotSocketErrors = 0;
         public volatile bool HTTPDRunning = false;
 
@@ -67,7 +82,7 @@ namespace OpenSim.Framework.Servers.HttpServer
         protected Dictionary<string, LLSDMethod> m_llsdHandlers         = new Dictionary<string, LLSDMethod>();
         protected Dictionary<string, IRequestHandler> m_streamHandlers  = new Dictionary<string, IRequestHandler>();
         protected Dictionary<string, GenericHTTPMethod> m_HTTPHandlers  = new Dictionary<string, GenericHTTPMethod>();
-        protected Dictionary<string, IHttpAgentHandler> m_agentHandlers = new Dictionary<string, IHttpAgentHandler>();
+//        protected Dictionary<string, IHttpAgentHandler> m_agentHandlers = new Dictionary<string, IHttpAgentHandler>();
         protected Dictionary<string, PollServiceEventArgs> m_pollHandlers =
             new Dictionary<string, PollServiceEventArgs>();
 
@@ -245,29 +260,29 @@ namespace OpenSim.Framework.Servers.HttpServer
                 return new List<string>(m_pollHandlers.Keys);
         }
 
-        // Note that the agent string is provided simply to differentiate
-        // the handlers - it is NOT required to be an actual agent header
-        // value.
-        public bool AddAgentHandler(string agent, IHttpAgentHandler handler)
-        {
-            lock (m_agentHandlers)
-            {
-                if (!m_agentHandlers.ContainsKey(agent))
-                {
-                    m_agentHandlers.Add(agent, handler);
-                    return true;
-                }
-            }
-
-            //must already have a handler for that path so return false
-            return false;
-        }
-
-        public List<string> GetAgentHandlerKeys()
-        {
-            lock (m_agentHandlers)
-                return new List<string>(m_agentHandlers.Keys);
-        }
+//        // Note that the agent string is provided simply to differentiate
+//        // the handlers - it is NOT required to be an actual agent header
+//        // value.
+//        public bool AddAgentHandler(string agent, IHttpAgentHandler handler)
+//        {
+//            lock (m_agentHandlers)
+//            {
+//                if (!m_agentHandlers.ContainsKey(agent))
+//                {
+//                    m_agentHandlers.Add(agent, handler);
+//                    return true;
+//                }
+//            }
+//
+//            //must already have a handler for that path so return false
+//            return false;
+//        }
+//
+//        public List<string> GetAgentHandlerKeys()
+//        {
+//            lock (m_agentHandlers)
+//                return new List<string>(m_agentHandlers.Keys);
+//        }
 
         public bool AddLLSDHandler(string path, LLSDMethod handler)
         {
@@ -296,6 +311,8 @@ namespace OpenSim.Framework.Servers.HttpServer
 
         private void OnRequest(object source, RequestEventArgs args)
         {
+            RequestNumber++;
+
             try
             {
                 IHttpClientContext context = (IHttpClientContext)source;
@@ -405,7 +422,6 @@ namespace OpenSim.Framework.Servers.HttpServer
             string requestMethod = request.HttpMethod;
             string uriString = request.RawUrl;
 
-//            string reqnum = "unknown";
             int requestStartTick = Environment.TickCount;
 
             // Will be adjusted later on.
@@ -422,22 +438,22 @@ namespace OpenSim.Framework.Servers.HttpServer
 
                 Thread.CurrentThread.CurrentCulture = new CultureInfo("en-US", true);
 
-                //  This is the REST agent interface. We require an agent to properly identify
-                //  itself. If the REST handler recognizes the prefix it will attempt to
-                //  satisfy the request. If it is not recognizable, and no damage has occurred
-                //  the request can be passed through to the other handlers. This is a low
-                //  probability event; if a request is matched it is normally expected to be
-                //  handled
-                IHttpAgentHandler agentHandler;
-
-                if (TryGetAgentHandler(request, response, out agentHandler))
-                {
-                    if (HandleAgentRequest(agentHandler, request, response))
-                    {
-                        requestEndTick = Environment.TickCount;
-                        return;
-                    }
-                }
+//                //  This is the REST agent interface. We require an agent to properly identify
+//                //  itself. If the REST handler recognizes the prefix it will attempt to
+//                //  satisfy the request. If it is not recognizable, and no damage has occurred
+//                //  the request can be passed through to the other handlers. This is a low
+//                //  probability event; if a request is matched it is normally expected to be
+//                //  handled
+//                IHttpAgentHandler agentHandler;
+//
+//                if (TryGetAgentHandler(request, response, out agentHandler))
+//                {
+//                    if (HandleAgentRequest(agentHandler, request, response))
+//                    {
+//                        requestEndTick = Environment.TickCount;
+//                        return;
+//                    }
+//                }
 
                 //response.KeepAlive = true;
                 response.SendChunked = false;
@@ -449,9 +465,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                 if (TryGetStreamHandler(handlerKey, out requestHandler))
                 {
                     if (DebugLevel >= 3)
-                        m_log.DebugFormat(
-                            "[BASE HTTP SERVER]: Found stream handler for {0} {1} {2} {3}",
-                            request.HttpMethod, request.Url.PathAndQuery, requestHandler.Name, requestHandler.Description);
+                        LogIncomingToStreamHandler(request, requestHandler);
 
                     response.ContentType = requestHandler.ContentType; // Lets do this defaulting before in case handler has varying content type.
 
@@ -531,8 +545,8 @@ namespace OpenSim.Framework.Servers.HttpServer
     
                             if (DebugLevel >= 3)
                                 m_log.DebugFormat(
-                                    "[BASE HTTP SERVER]: Found a {0} content type handler for {1} {2}",
-                                    request.ContentType, request.HttpMethod, request.Url.PathAndQuery);
+                                    "[BASE HTTP SERVER]: HTTP IN {0} :{1} {2} content type handler {3} {4} from {5}",
+                                    RequestNumber, Port, request.ContentType, request.HttpMethod, request.Url.PathAndQuery, request.RemoteIPEndPoint);
     
                             buffer = HandleHTTPRequest(request, response);
                             break;
@@ -543,8 +557,8 @@ namespace OpenSim.Framework.Servers.HttpServer
     
                             if (DebugLevel >= 3)
                                 m_log.DebugFormat(
-                                    "[BASE HTTP SERVER]: Found a {0} content type handler for {1} {2}",
-                                    request.ContentType, request.HttpMethod, request.Url.PathAndQuery);
+                                    "[BASE HTTP SERVER]: HTTP IN {0} :{1} {2} content type handler {3} {4} from {5}",
+                                    RequestNumber, Port, request.ContentType, request.HttpMethod, request.Url.PathAndQuery, request.RemoteIPEndPoint);
     
                             buffer = HandleLLSDRequests(request, response);
                             break;
@@ -563,9 +577,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                             if (DoWeHaveALLSDHandler(request.RawUrl))
                             {
                                 if (DebugLevel >= 3)
-                                    m_log.DebugFormat(
-                                        "[BASE HTTP SERVER]: Found a {0} content type handler for {1} {2}",
-                                        request.ContentType, request.HttpMethod, request.Url.PathAndQuery);
+                                    LogIncomingToContentTypeHandler(request);
     
                                 buffer = HandleLLSDRequests(request, response);
                             }
@@ -573,18 +585,14 @@ namespace OpenSim.Framework.Servers.HttpServer
                             else if (DoWeHaveAHTTPHandler(request.RawUrl))
                             {
                                 if (DebugLevel >= 3)
-                                    m_log.DebugFormat(
-                                        "[BASE HTTP SERVER]: Found a {0} content type handler for {1} {2}",
-                                        request.ContentType, request.HttpMethod, request.Url.PathAndQuery);
+                                    LogIncomingToContentTypeHandler(request);
     
                                 buffer = HandleHTTPRequest(request, response);
                             }
                             else
                             {
                                 if (DebugLevel >= 3)
-                                    m_log.DebugFormat(
-                                        "[BASE HTTP SERVER]: Assuming a generic XMLRPC request for {0} {1}",
-                                        request.HttpMethod, request.Url.PathAndQuery);
+                                    LogIncomingToXmlRpcHandler(request);
     
                                 // generic login request.
                                 buffer = HandleXmlRpcRequests(request, response);
@@ -643,14 +651,90 @@ namespace OpenSim.Framework.Servers.HttpServer
                 if (tickdiff > 3000)
                 {
                     m_log.InfoFormat(
-                        "[BASE HTTP SERVER]: Slow handling of {0} {1} {2} {3} from {4} took {5}ms",
+                        "[BASE HTTP SERVER]: Slow handling of {0} {1} {2} {3} {4} from {5} took {6}ms",
+                        RequestNumber,
                         requestMethod,
                         uriString,
                         requestHandler != null ? requestHandler.Name : "",
                         requestHandler != null ? requestHandler.Description : "",
-                        request.RemoteIPEndPoint.ToString(),
+                        request.RemoteIPEndPoint,
                         tickdiff);
                 }
+                else if (DebugLevel >= 4)
+                {
+                    m_log.DebugFormat(
+                        "[BASE HTTP SERVER]: HTTP IN {0} :{1} took {2}ms",
+                        RequestNumber,
+                        Port,
+                        tickdiff);
+                }
+            }
+        }
+
+        private void LogIncomingToStreamHandler(OSHttpRequest request, IRequestHandler requestHandler)
+        {
+            m_log.DebugFormat(
+                "[BASE HTTP SERVER]: HTTP IN {0} :{1} stream handler {2} {3} {4} {5} from {6}",
+                RequestNumber,
+                Port,
+                request.HttpMethod,
+                request.Url.PathAndQuery,
+                requestHandler.Name,
+                requestHandler.Description,
+                request.RemoteIPEndPoint);
+
+            if (DebugLevel >= 5)
+                LogIncomingInDetail(request);
+        }
+
+        private void LogIncomingToContentTypeHandler(OSHttpRequest request)
+        {
+            m_log.DebugFormat(
+                "[BASE HTTP SERVER]: HTTP IN {0} :{1} {2} content type handler {3} {4} from {5}",
+                RequestNumber,
+                Port,
+                request.ContentType,
+                request.HttpMethod,
+                request.Url.PathAndQuery,
+                request.RemoteIPEndPoint);
+
+            if (DebugLevel >= 5)
+                LogIncomingInDetail(request);
+        }
+
+        private void LogIncomingToXmlRpcHandler(OSHttpRequest request)
+        {
+            m_log.DebugFormat(
+                "[BASE HTTP SERVER]: HTTP IN {0} :{1} assumed generic XMLRPC request {2} {3} from {4}",
+                RequestNumber,
+                Port,
+                request.HttpMethod,
+                request.Url.PathAndQuery,
+                request.RemoteIPEndPoint);
+
+            if (DebugLevel >= 5)
+                LogIncomingInDetail(request);
+        }
+
+        private void LogIncomingInDetail(OSHttpRequest request)
+        {
+            using (StreamReader reader = new StreamReader(Util.Copy(request.InputStream), Encoding.UTF8))
+            {
+                string output;
+
+                if (DebugLevel == 5)
+                {
+                    const int sampleLength = 80;
+                    char[] sampleChars = new char[sampleLength];
+                    reader.Read(sampleChars, 0, sampleLength);
+                    output = new string(sampleChars);
+                }
+                else
+                {
+                    output = reader.ReadToEnd();
+                }
+
+                m_log.DebugFormat("[BASE HTTP SERVER]: {0}...", output.Replace("\n", @"\n"));
             }
         }
 
@@ -746,24 +830,24 @@ namespace OpenSim.Framework.Servers.HttpServer
             }
         }
 
-        private bool TryGetAgentHandler(OSHttpRequest request, OSHttpResponse response, out IHttpAgentHandler agentHandler)
-        {
-            agentHandler = null;
-            
-            lock (m_agentHandlers)
-            {
-                foreach (IHttpAgentHandler handler in m_agentHandlers.Values)
-                {
-                    if (handler.Match(request, response))
-                    {
-                        agentHandler = handler;
-                        return true;
-                    }
-                }
-            }
-
-            return false;
-        }
+//        private bool TryGetAgentHandler(OSHttpRequest request, OSHttpResponse response, out IHttpAgentHandler agentHandler)
+//        {
+//            agentHandler = null;
+//            
+//            lock (m_agentHandlers)
+//            {
+//                foreach (IHttpAgentHandler handler in m_agentHandlers.Values)
+//                {
+//                    if (handler.Match(request, response))
+//                    {
+//                        agentHandler = handler;
+//                        return true;
+//                    }
+//                }
+//            }
+//
+//            return false;
+//        }
 
         /// <summary>
         /// Try all the registered xmlrpc handlers when an xmlrpc request is received.
@@ -1688,21 +1772,21 @@ namespace OpenSim.Framework.Servers.HttpServer
                 m_pollHandlers.Remove(path);
         }
 
-        public bool RemoveAgentHandler(string agent, IHttpAgentHandler handler)
-        {
-            lock (m_agentHandlers)
-            {
-                IHttpAgentHandler foundHandler;
-
-                if (m_agentHandlers.TryGetValue(agent, out foundHandler) && foundHandler == handler)
-                {
-                    m_agentHandlers.Remove(agent);
-                    return true;
-                }
-            }
-
-            return false;
-        }
+//        public bool RemoveAgentHandler(string agent, IHttpAgentHandler handler)
+//        {
+//            lock (m_agentHandlers)
+//            {
+//                IHttpAgentHandler foundHandler;
+//
+//                if (m_agentHandlers.TryGetValue(agent, out foundHandler) && foundHandler == handler)
+//                {
+//                    m_agentHandlers.Remove(agent);
+//                    return true;
+//                }
+//            }
+//
+//            return false;
+//        }
 
         public void RemoveXmlRPCHandler(string method)
         {

OpenSim/Framework/Servers/HttpServer/Interfaces/IHttpServer.cs

@@ -41,10 +41,10 @@ namespace OpenSim.Framework.Servers.HttpServer
         uint Port { get; }
         bool UseSSL { get; }
 
-        // Note that the agent string is provided simply to differentiate
-        // the handlers - it is NOT required to be an actual agent header
-        // value.
-        bool AddAgentHandler(string agent, IHttpAgentHandler handler);
+//        // Note that the agent string is provided simply to differentiate
+//        // the handlers - it is NOT required to be an actual agent header
+//        // value.
+//        bool AddAgentHandler(string agent, IHttpAgentHandler handler);
         
         /// <summary>
         /// Add a handler for an HTTP request.
@@ -106,13 +106,13 @@ namespace OpenSim.Framework.Servers.HttpServer
 
         bool SetDefaultLLSDHandler(DefaultLLSDMethod handler);
 
-        /// <summary>
-        /// Remove the agent if it is registered.
-        /// </summary>
-        /// <param name="agent"></param>
-        /// <param name="handler"></param>
-        /// <returns></returns>
-        bool RemoveAgentHandler(string agent, IHttpAgentHandler handler);
+//        /// <summary>
+//        /// Remove the agent if it is registered.
+//        /// </summary>
+//        /// <param name="agent"></param>
+//        /// <param name="handler"></param>
+//        /// <returns></returns>
+//        bool RemoveAgentHandler(string agent, IHttpAgentHandler handler);
         
         /// <summary>
         /// Remove an HTTP handler

OpenSim/Framework/Servers/MainServer.cs

@@ -29,6 +29,7 @@ using System;
 using System.Collections.Generic;
 using System.Reflection;
 using System.Net;
+using System.Text;
 using log4net;
 using OpenSim.Framework;
 using OpenSim.Framework.Console;
@@ -47,9 +48,12 @@ namespace OpenSim.Framework.Servers
         /// Control the printing of certain debug messages.
         /// </summary>
         /// <remarks>
-        /// If DebugLevel >= 1, then short warnings are logged when receiving bad input data.
-        /// If DebugLevel >= 2, then long warnings are logged when receiving bad input data.
-        /// If DebugLevel >= 3, then short notices about all incoming non-poll HTTP requests are logged.
+        /// If DebugLevel >= 1 then short warnings are logged when receiving bad input data.
+        /// If DebugLevel >= 2 then long warnings are logged when receiving bad input data.
+        /// If DebugLevel >= 3 then short notices about all incoming non-poll HTTP requests are logged.
+        /// If DebugLevel >= 4 then the time taken to fulfill the request is logged.
+        /// If DebugLevel >= 5 then the start of the body of incoming non-poll HTTP requests will be logged.
+        /// If DebugLevel >= 6 then the entire body of incoming non-poll HTTP requests will be logged.
         /// </remarks>
         public static int DebugLevel
         {
@@ -101,17 +105,28 @@ namespace OpenSim.Framework.Servers
             get { return new Dictionary<uint, BaseHttpServer>(m_Servers); }
         }
 
-
         public static void RegisterHttpConsoleCommands(ICommandConsole console)
         {
             console.Commands.AddCommand(
-                "Debug", false, "debug http", "debug http [<level>]",
-                "Turn on inbound non-poll http request debugging.",
-                  "If level <= 0, then no extra logging is done.\n"
-                + "If level >= 1, then short warnings are logged when receiving bad input data.\n"
-                + "If level >= 2, then long warnings are logged when receiving bad input data.\n"
-                + "If level >= 3, then short notices about all incoming non-poll HTTP requests are logged.\n"
-                + "If no level is specified then the current level is returned.",
+                "Comms", false, "show http-handlers",
+                "show http-handlers",
+                "Show all registered http handlers", HandleShowHttpHandlersCommand);
+
+            console.Commands.AddCommand(
+                "Debug", false, "debug http", "debug http <in|out|all> [<level>]",
+                "Turn on http request logging.",
+                "If in or all and\n"
+                    + "  level <= 0 then no extra logging is done.\n"
+                    + "  level >= 1 then short warnings are logged when receiving bad input data.\n"
+                    + "  level >= 2 then long warnings are logged when receiving bad input data.\n"
+                    + "  level >= 3 then short notices about all incoming non-poll HTTP requests are logged.\n"
+                    + "  level >= 4 then the time taken to fulfill the request is logged.\n"
+                    + "  level >= 5 then a sample from the beginning of the incoming data is logged.\n"
+                    + "  level >= 6 then the entire incoming data is logged.\n"
+                    + "  no level is specified then the current level is returned.\n\n"
+                    + "If out or all and\n"
+                    + "  level >= 3 then short notices about all outgoing requests going through WebUtil are logged.\n"
+                    + "  level >= 4 then the time taken to fulfill the request is logged.\n",
                 HandleDebugHttpCommand);
         }
 
@@ -119,25 +134,120 @@ namespace OpenSim.Framework.Servers
         /// Turn on some debugging values for OpenSim.
         /// </summary>
         /// <param name="args"></param>
-        private static void HandleDebugHttpCommand(string module, string[] args)
+        private static void HandleDebugHttpCommand(string module, string[] cmdparams)
         {
-            if (args.Length == 3)
+            if (cmdparams.Length < 3)
             {
-                int newDebug;
-                if (int.TryParse(args[2], out newDebug))
-                {
-                    MainServer.DebugLevel = newDebug;
-                    MainConsole.Instance.OutputFormat("Debug http level set to {0}", newDebug);
-                }
+                MainConsole.Instance.Output("Usage: debug http <in|out|all> 0..6");
+                return;
             }
-            else if (args.Length == 2)
+
+            bool inReqs = false;
+            bool outReqs = false;
+            bool allReqs = false;
+
+            string subCommand = cmdparams[2];
+
+            if (subCommand.ToLower() == "in")
             {
-                MainConsole.Instance.OutputFormat("Current debug http level is {0}", MainServer.DebugLevel);
+                inReqs = true;
+            }
+            else if (subCommand.ToLower() == "out")
+            {
+                outReqs = true;
+            }
+            else if (subCommand.ToLower() == "all")
+            {
+                allReqs = true;
             }
             else
             {
-                MainConsole.Instance.Output("Usage: debug http 0..3");
+                MainConsole.Instance.Output("You must specify in, out or all");
+                return;
             }
+
+            if (cmdparams.Length >= 4)
+            {
+                string rawNewDebug = cmdparams[3];
+                int newDebug;
+
+                if (!int.TryParse(rawNewDebug, out newDebug))
+                {
+                    MainConsole.Instance.OutputFormat("{0} is not a valid debug level", rawNewDebug);
+                    return;
+                }
+
+                if (newDebug < 0 || newDebug > 6)
+                {
+                    MainConsole.Instance.OutputFormat("{0} is outside the valid debug level range of 0..6", newDebug);
+                    return;
+                }
+
+                if (allReqs || inReqs)
+                {
+                    MainServer.DebugLevel = newDebug;
+                    MainConsole.Instance.OutputFormat("IN debug level set to {0}", newDebug);
+                }
+
+                if (allReqs || outReqs)
+                {
+                    WebUtil.DebugLevel = newDebug;
+                    MainConsole.Instance.OutputFormat("OUT debug level set to {0}", newDebug);
+                }
+            }
+            else
+            {
+                if (allReqs || inReqs)
+                    MainConsole.Instance.OutputFormat("Current IN debug level is {0}", MainServer.DebugLevel);
+
+                if (allReqs || outReqs)
+                    MainConsole.Instance.OutputFormat("Current OUT debug level is {0}", WebUtil.DebugLevel);
+            }
+        }
+
+        private static void HandleShowHttpHandlersCommand(string module, string[] args)
+        {
+            if (args.Length != 2)
+            {
+                MainConsole.Instance.Output("Usage: show http-handlers");
+                return;
+            }
+
+            StringBuilder handlers = new StringBuilder();
+
+            lock (m_Servers)
+            {
+                foreach (BaseHttpServer httpServer in m_Servers.Values)
+                {
+                    handlers.AppendFormat(
+                        "Registered HTTP Handlers for server at {0}:{1}\n", httpServer.ListenIPAddress, httpServer.Port);
+        
+                    handlers.AppendFormat("* XMLRPC:\n");
+                    foreach (String s in httpServer.GetXmlRpcHandlerKeys())
+                        handlers.AppendFormat("\t{0}\n", s);
+        
+                    handlers.AppendFormat("* HTTP:\n");
+                    List<String> poll = httpServer.GetPollServiceHandlerKeys();
+                    foreach (String s in httpServer.GetHTTPHandlerKeys())
+                        handlers.AppendFormat("\t{0} {1}\n", s, (poll.Contains(s) ? "(poll service)" : string.Empty));
+        
+//                    handlers.AppendFormat("* Agent:\n");
+//                    foreach (String s in httpServer.GetAgentHandlerKeys())
+//                        handlers.AppendFormat("\t{0}\n", s);
+        
+                    handlers.AppendFormat("* LLSD:\n");
+                    foreach (String s in httpServer.GetLLSDHandlerKeys())
+                        handlers.AppendFormat("\t{0}\n", s);
+        
+                    handlers.AppendFormat("* StreamHandlers ({0}):\n", httpServer.GetStreamHandlerKeys().Count);
+                    foreach (String s in httpServer.GetStreamHandlerKeys())
+                        handlers.AppendFormat("\t{0}\n", s);
+
+                    handlers.Append("\n");
+                }
+            }
+
+            MainConsole.Instance.Output(handlers.ToString());
         }
 
         /// <summary>

OpenSim/Framework/Servers/VersionInfo.cs

@@ -30,7 +30,7 @@ namespace OpenSim
     public class VersionInfo
     {
         private const string VERSION_NUMBER = "0.7.4";
-        private const Flavour VERSION_FLAVOUR = Flavour.Dev;
+        private const Flavour VERSION_FLAVOUR = Flavour.Extended;
 
         public enum Flavour
         {

OpenSim/Framework/Util.cs

@@ -533,6 +533,19 @@ namespace OpenSim.Framework
             return (x + y - (min >> 1) - (min >> 2) + (min >> 4));
         }
 
+        /// <summary>
+        /// Determines whether a point is inside a bounding box.
+        /// </summary>
+        /// <param name='v'>/param>
+        /// <param name='min'></param>
+        /// <param name='max'></param>
+        /// <returns></returns>
+        public static bool IsInsideBox(Vector3 v, Vector3 min, Vector3 max)
+        {
+            return v.X >= min.X & v.Y >= min.Y && v.Z >= min.Z
+                && v.X <= max.X && v.Y <= max.Y && v.Z <= max.Z;
+        }
+
         /// <summary>
         /// Are the co-ordinates of the new region visible from the old region?
         /// </summary>
@@ -850,6 +863,12 @@ namespace OpenSim.Framework
             return Math.Min(Math.Max(x, min), max);
         }
 
+        public static Vector3 Clip(Vector3 vec, float min, float max)
+        {
+            return new Vector3(Clip(vec.X, min, max), Clip(vec.Y, min, max),
+                Clip(vec.Z, min, max));
+        }
+
         /// <summary>
         /// Convert an UUID to a raw uuid string.  Right now this is a string without hyphens.
         /// </summary>
@@ -1001,6 +1020,38 @@ namespace OpenSim.Framework
             }
         }
 
+        /// <summary>
+        /// Copy data from one stream to another, leaving the read position of both streams at the beginning.
+        /// </summary>
+        /// <param name='inputStream'>
+        /// Input stream.  Must be seekable.
+        /// </param>
+        /// <exception cref='ArgumentException'>
+        /// Thrown if the input stream is not seekable.
+        /// </exception>
+        public static Stream Copy(Stream inputStream)
+        {
+            if (!inputStream.CanSeek)
+                throw new ArgumentException("Util.Copy(Stream inputStream) must receive an inputStream that can seek");
+
+            const int readSize = 256;
+            byte[] buffer = new byte[readSize];
+            MemoryStream ms = new MemoryStream();
+        
+            int count = inputStream.Read(buffer, 0, readSize);
+
+            while (count > 0)
+            {
+                ms.Write(buffer, 0, count);
+                count = inputStream.Read(buffer, 0, readSize);
+            }
+
+            ms.Position = 0;
+            inputStream.Position = 0;
+
+            return ms;
+        }
+
         public static XmlRpcResponse XmlRpcCommand(string url, string methodName, params object[] args)
         {
             return SendXmlRpcCommand(url, methodName, args);

OpenSim/Framework/WebUtil.cs

@@ -53,10 +53,18 @@ namespace OpenSim.Framework
                 LogManager.GetLogger(
                 MethodBase.GetCurrentMethod().DeclaringType);
 
+        /// <summary>
+        /// Control the printing of certain debug messages.
+        /// </summary>
+        /// <remarks>
+        /// If DebugLevel >= 3 then short notices about outgoing HTTP requests are logged.
+        /// </remarks>
+        public static int DebugLevel { get; set; }
+
         /// <summary>
         /// Request number for diagnostic purposes.
         /// </summary>
-        public static int RequestNumber = 0;
+        public static int RequestNumber { get; internal set; }
 
         /// <summary>
         /// this is the header field used to communicate the local request id
@@ -146,7 +154,11 @@ namespace OpenSim.Framework
         private static OSDMap ServiceOSDRequestWorker(string url, OSDMap data, string method, int timeout, bool compressed)
         {
             int reqnum = RequestNumber++;
-            // m_log.DebugFormat("[WEB UTIL]: <{0}> start osd request for {1}, method {2}",reqnum,url,method);
+
+            if (DebugLevel >= 3)
+                m_log.DebugFormat(
+                    "[WEB UTIL]: HTTP OUT {0} ServiceOSD {1} {2} (timeout {3}, compressed {4})",
+                    reqnum, method, url, timeout, compressed);
 
             string errorMessage = "unknown error";
             int tickstart = Util.EnvironmentTickCount();
@@ -229,7 +241,7 @@ namespace OpenSim.Framework
                 int tickdiff = Util.EnvironmentTickCountSubtract(tickstart);
                 if (tickdiff > LongCallTime)
                     m_log.InfoFormat(
-                        "[OSD REQUEST]: Slow request to <{0}> {1} {2} took {3}ms, {4}ms writing, {5}",
+                        "[WEB UTIL]: Slow ServiceOSD request {0} {1} {2} took {3}ms, {4}ms writing, {5}",
                         reqnum,
                         method,
                         url,
@@ -238,10 +250,14 @@ namespace OpenSim.Framework
                         strBuffer != null
                             ? (strBuffer.Length > MaxRequestDiagLength ? strBuffer.Remove(MaxRequestDiagLength) : strBuffer)
                             : "");
+                else if (DebugLevel >= 4)
+                    m_log.DebugFormat(
+                        "[WEB UTIL]: HTTP OUT {0} took {1}ms, {2}ms writing",
+                        reqnum, tickdiff, tickdata);
             }
            
             m_log.DebugFormat(
-                "[WEB UTIL]: <{0}> osd request for {1}, method {2} FAILED: {3}", reqnum, url, method, errorMessage);
+                "[WEB UTIL]: ServiceOSD request {0} {1} {2} FAILED: {3}", reqnum, url, method, errorMessage);
 
             return ErrorResponseMap(errorMessage);
         }
@@ -317,7 +333,11 @@ namespace OpenSim.Framework
         {
             int reqnum = RequestNumber++;
             string method = (data != null && data["RequestMethod"] != null) ? data["RequestMethod"] : "unknown";
-            // m_log.DebugFormat("[WEB UTIL]: <{0}> start form request for {1}, method {2}",reqnum,url,method);
+
+            if (DebugLevel >= 3)
+                m_log.DebugFormat(
+                    "[WEB UTIL]: HTTP OUT {0} ServiceForm {1} {2} (timeout {3})",
+                    reqnum, method, url, timeout);
             
             string errorMessage = "unknown error";
             int tickstart = Util.EnvironmentTickCount();
@@ -380,7 +400,7 @@ namespace OpenSim.Framework
                 int tickdiff = Util.EnvironmentTickCountSubtract(tickstart);
                 if (tickdiff > LongCallTime)
                     m_log.InfoFormat(
-                        "[SERVICE FORM]: Slow request to <{0}> {1} {2} took {3}ms, {4}ms writing, {5}",
+                        "[WEB UTIL]: Slow ServiceForm request {0} {1} {2} took {3}ms, {4}ms writing, {5}",
                         reqnum,
                         method,
                         url,
@@ -389,9 +409,13 @@ namespace OpenSim.Framework
                         queryString != null
                             ? (queryString.Length > MaxRequestDiagLength) ? queryString.Remove(MaxRequestDiagLength) : queryString
                             : "");
+                else if (DebugLevel >= 4)
+                    m_log.DebugFormat(
+                        "[WEB UTIL]: HTTP OUT {0} took {1}ms, {2}ms writing",
+                        reqnum, tickdiff, tickdata);
             }
 
-            m_log.WarnFormat("[SERVICE FORM]: <{0}> form request to {1} failed: {2}", reqnum, url, errorMessage);
+            m_log.WarnFormat("[WEB UTIL]: ServiceForm request {0} {1} {2} failed: {2}", reqnum, method, url, errorMessage);
 
             return ErrorResponseMap(errorMessage);
         }
@@ -643,7 +667,6 @@ namespace OpenSim.Framework
         /// <returns></returns>
         public static string[] GetPreferredImageTypes(string accept)
         {
-
             if (accept == null || accept == string.Empty)
                 return new string[0];
 
@@ -695,13 +718,15 @@ namespace OpenSim.Framework
                 string requestUrl, TRequest obj, Action<TResponse> action)
         {
             int reqnum = WebUtil.RequestNumber++;
-            // m_log.DebugFormat("[WEB UTIL]: <{0}> start osd request for {1}, method {2}",reqnum,url,method);
+
+            if (WebUtil.DebugLevel >= 3)
+                m_log.DebugFormat(
+                    "[WEB UTIL]: HTTP OUT {0} AsynchronousRequestObject {1} {2}",
+                    reqnum, verb, requestUrl);
 
             int tickstart = Util.EnvironmentTickCount();
             int tickdata = 0;
 
-            //            m_log.DebugFormat("[ASYNC REQUEST]: Starting {0} {1}", verb, requestUrl);
-
             Type type = typeof(TRequest);
 
             WebRequest request = WebRequest.Create(requestUrl);
@@ -854,7 +879,7 @@ namespace OpenSim.Framework
                 }
 
                 m_log.InfoFormat(
-                    "[ASYNC REQUEST]: Slow request to <{0}> {1} {2} took {3}ms, {4}ms writing, {5}",
+                    "[ASYNC REQUEST]: Slow request {0} {1} {2} took {3}ms, {4}ms writing, {5}",
                     reqnum,
                     verb,
                     requestUrl,
@@ -862,6 +887,12 @@ namespace OpenSim.Framework
                     tickdata,
                     originalRequest);
             }
+            else if (WebUtil.DebugLevel >= 4)
+            {
+                m_log.DebugFormat(
+                    "[WEB UTIL]: HTTP OUT {0} took {1}ms, {2}ms writing",
+                    reqnum, tickdiff, tickdata);
+            }
         }
     }
 
@@ -882,7 +913,11 @@ namespace OpenSim.Framework
         public static string MakeRequest(string verb, string requestUrl, string obj)
         {
             int reqnum = WebUtil.RequestNumber++;
-            // m_log.DebugFormat("[WEB UTIL]: <{0}> start osd request for {1}, method {2}",reqnum,url,method);
+
+            if (WebUtil.DebugLevel >= 3)
+                m_log.DebugFormat(
+                    "[WEB UTIL]: HTTP OUT {0} SynchronousRestForms {1} {2}",
+                    reqnum, verb, requestUrl);
 
             int tickstart = Util.EnvironmentTickCount();
             int tickdata = 0;
@@ -967,13 +1002,17 @@ namespace OpenSim.Framework
             int tickdiff = Util.EnvironmentTickCountSubtract(tickstart);
             if (tickdiff > WebUtil.LongCallTime)
                 m_log.InfoFormat(
-                    "[FORMS]: Slow request to <{0}> {1} {2} took {3}ms, {4}ms writing, {5}",
+                    "[FORMS]: Slow request {0} {1} {2} took {3}ms, {4}ms writing, {5}",
                     reqnum,
                     verb,
                     requestUrl,
                     tickdiff,
                     tickdata,
                     obj.Length > WebUtil.MaxRequestDiagLength ? obj.Remove(WebUtil.MaxRequestDiagLength) : obj);
+            else if (WebUtil.DebugLevel >= 4)
+                m_log.DebugFormat(
+                    "[WEB UTIL]: HTTP OUT {0} took {1}ms, {2}ms writing",
+                    reqnum, tickdiff, tickdata);
 
             return respstring;
         }
@@ -998,7 +1037,11 @@ namespace OpenSim.Framework
         public static TResponse MakeRequest<TRequest, TResponse>(string verb, string requestUrl, TRequest obj)
         {
             int reqnum = WebUtil.RequestNumber++;
-            // m_log.DebugFormat("[WEB UTIL]: <{0}> start osd request for {1}, method {2}",reqnum,url,method);
+
+            if (WebUtil.DebugLevel >= 3)
+                m_log.DebugFormat(
+                    "[WEB UTIL]: HTTP OUT {0} SynchronousRestObject {1} {2}",
+                    reqnum, verb, requestUrl);
 
             int tickstart = Util.EnvironmentTickCount();
             int tickdata = 0;
@@ -1111,7 +1154,7 @@ namespace OpenSim.Framework
                 }
 
                 m_log.InfoFormat(
-                    "[SynchronousRestObjectRequester]: Slow request to <{0}> {1} {2} took {3}ms, {4}ms writing, {5}",
+                    "[SynchronousRestObjectRequester]: Slow request {0} {1} {2} took {3}ms, {4}ms writing, {5}",
                     reqnum,
                     verb,
                     requestUrl,
@@ -1119,6 +1162,12 @@ namespace OpenSim.Framework
                     tickdata,
                     originalRequest);
             }
+            else if (WebUtil.DebugLevel >= 4)
+            {
+                m_log.DebugFormat(
+                    "[WEB UTIL]: HTTP OUT {0} took {1}ms, {2}ms writing",
+                    reqnum, tickdiff, tickdata);
+            }
 
             return deserial;
         }

OpenSim/Region/Application/OpenSim.cs

@@ -35,6 +35,7 @@ using System.Text;
 using System.Text.RegularExpressions;
 using System.Timers;
 using log4net;
+using NDesk.Options;
 using Nini.Config;
 using OpenMetaverse;
 using OpenSim.Framework;
@@ -253,8 +254,14 @@ namespace OpenSim
             m_console.Commands.AddCommand("Debug", false, "debug teleport", "debug teleport", "Toggle teleport route debugging", Debug);
 
             m_console.Commands.AddCommand("Debug", false, "debug scene",
-                                          "debug scene <scripting> <collisions> <physics>",
-                                          "Turn on scene debugging", Debug);
+                                          "debug scene active|collisions|physics|scripting|teleport true|false",
+                                          "Turn on scene debugging.",
+                                            "If active     is false then main scene update and maintenance loops are suspended.\n"
+                                          + "If collisions is false then collisions with other objects are turned off.\n"
+                                          + "If physics    is false then all physics objects are non-physical.\n"
+                                          + "If scripting  is false then no scripting operations happen.\n"
+                                          + "If teleport   is true  then some extra teleport debug information is logged.",
+                                          Debug);
 
             m_console.Commands.AddCommand("General", false, "change region",
                                           "change region <region name>",
@@ -310,8 +317,11 @@ namespace OpenSim
                                           "Change the scale of a named prim", HandleEditScale);
 
             m_console.Commands.AddCommand("Users", false, "kick user",
-                                          "kick user <first> <last> [message]",
-                                          "Kick a user off the simulator", KickUserCommand);
+                                          "kick user <first> <last> [--force] [message]",
+                                          "Kick a user off the simulator",
+                                          "The --force option will kick the user without any checks to see whether it's already in the process of closing\n"
+                                          + "Only use this option if you are sure the avatar is inactive and a normal kick user operation does not removed them",
+                                          KickUserCommand);
 
             m_console.Commands.AddCommand("Users", false, "show users",
                                           "show users [full]",
@@ -328,10 +338,6 @@ namespace OpenSim
                                           "show circuits",
                                           "Show agent circuit data", HandleShow);
 
-            m_console.Commands.AddCommand("Comms", false, "show http-handlers",
-                                          "show http-handlers",
-                                          "Show all registered http handlers", HandleShow);
-
             m_console.Commands.AddCommand("Comms", false, "show pending-objects",
                                           "show pending-objects",
                                           "Show # of objects on the pending queues of all scene viewers", HandleShow);
@@ -453,11 +459,17 @@ namespace OpenSim
         /// <param name="cmdparams">name of avatar to kick</param>
         private void KickUserCommand(string module, string[] cmdparams)
         {
-            if (cmdparams.Length < 4)
+            bool force = false;
+            
+            OptionSet options = new OptionSet().Add("f|force", delegate (string v) { force = v != null; });
+
+            List<string> mainParams = options.Parse(cmdparams);
+
+            if (mainParams.Count < 4)
                 return;
 
             string alert = null;
-            if (cmdparams.Length > 4)
+            if (mainParams.Count > 4)
                 alert = String.Format("\n{0}\n", String.Join(" ", cmdparams, 4, cmdparams.Length - 4));
 
             IList agents = SceneManager.GetCurrentSceneAvatars();
@@ -466,8 +478,8 @@ namespace OpenSim
             {
                 RegionInfo regionInfo = presence.Scene.RegionInfo;
 
-                if (presence.Firstname.ToLower().Contains(cmdparams[2].ToLower()) &&
-                    presence.Lastname.ToLower().Contains(cmdparams[3].ToLower()))
+                if (presence.Firstname.ToLower().Contains(mainParams[2].ToLower()) &&
+                    presence.Lastname.ToLower().Contains(mainParams[3].ToLower()))
                 {
                     MainConsole.Instance.Output(
                         String.Format(
@@ -480,7 +492,7 @@ namespace OpenSim
                     else
                         presence.ControllingClient.Kick("\nThe OpenSim manager kicked you out.\n");
 
-                    presence.Scene.IncomingCloseAgent(presence.UUID);
+                    presence.Scene.IncomingCloseAgent(presence.UUID, force);
                 }
             }
 
@@ -922,7 +934,8 @@ namespace OpenSim
                     }
                     else
                     {
-                        MainConsole.Instance.Output("Usage: debug scene scripting|collisions|physics|teleport true|false");
+                        MainConsole.Instance.Output(
+                            "Usage: debug scene active|scripting|collisions|physics|teleport true|false");
                     }
 
                     break;
@@ -1002,33 +1015,6 @@ namespace OpenSim
                     HandleShowCircuits();
                     break;
 
-                case "http-handlers":
-                    System.Text.StringBuilder handlers = new System.Text.StringBuilder("Registered HTTP Handlers:\n");
-
-                    handlers.AppendFormat("* XMLRPC:\n");
-                    foreach (String s in HttpServer.GetXmlRpcHandlerKeys())
-                        handlers.AppendFormat("\t{0}\n", s);
-
-                    handlers.AppendFormat("* HTTP:\n");
-                    List<String> poll = HttpServer.GetPollServiceHandlerKeys();
-                    foreach (String s in HttpServer.GetHTTPHandlerKeys())
-                        handlers.AppendFormat("\t{0} {1}\n", s, (poll.Contains(s) ? "(poll service)" : string.Empty));
-
-                    handlers.AppendFormat("* Agent:\n");
-                    foreach (String s in HttpServer.GetAgentHandlerKeys())
-                        handlers.AppendFormat("\t{0}\n", s);
-
-                    handlers.AppendFormat("* LLSD:\n");
-                    foreach (String s in HttpServer.GetLLSDHandlerKeys())
-                        handlers.AppendFormat("\t{0}\n", s);
-
-                    handlers.AppendFormat("* StreamHandlers ({0}):\n", HttpServer.GetStreamHandlerKeys().Count);
-                    foreach (String s in HttpServer.GetStreamHandlerKeys())
-                        handlers.AppendFormat("\t{0}\n", s);
-
-                    MainConsole.Instance.Output(handlers.ToString());
-                    break;
-
                 case "modules":
                     MainConsole.Instance.Output("The currently loaded shared modules are:");
                     foreach (IRegionModule module in m_moduleLoader.GetLoadedSharedModules)

OpenSim/Region/Application/OpenSimBase.cs

@@ -223,8 +223,6 @@ namespace OpenSim
 
             base.StartupSpecific();
 
-            m_stats = StatsManager.SimExtraStats;
-
             // Create a ModuleLoader instance
             m_moduleLoader = new ModuleLoader(m_config.Source);
 
@@ -234,51 +232,51 @@ namespace OpenSim
                 plugin.PostInitialise();
             }
 
-            AddPluginCommands();
-        }
-
-        protected virtual void AddPluginCommands()
-        {
-            // If console exists add plugin commands.
             if (m_console != null)
             {
-                List<string> topics = GetHelpTopics();
+                StatsManager.RegisterConsoleCommands(m_console);
+                AddPluginCommands(m_console);
+            }
+        }
 
-                foreach (string topic in topics)
+        protected virtual void AddPluginCommands(CommandConsole console)
+        {
+            List<string> topics = GetHelpTopics();
+
+            foreach (string topic in topics)
+            {
+                string capitalizedTopic = char.ToUpper(topic[0]) + topic.Substring(1);
+
+                // This is a hack to allow the user to enter the help command in upper or lowercase.  This will go
+                // away at some point.
+                console.Commands.AddCommand(capitalizedTopic, false, "help " + topic,
+                                              "help " + capitalizedTopic,
+                                              "Get help on plugin command '" + topic + "'",
+                                              HandleCommanderHelp);
+                console.Commands.AddCommand(capitalizedTopic, false, "help " + capitalizedTopic,
+                                              "help " + capitalizedTopic,
+                                              "Get help on plugin command '" + topic + "'",
+                                              HandleCommanderHelp);
+
+                ICommander commander = null;
+
+                Scene s = SceneManager.CurrentOrFirstScene;
+
+                if (s != null && s.GetCommanders() != null)
                 {
-                    string capitalizedTopic = char.ToUpper(topic[0]) + topic.Substring(1);
+                    if (s.GetCommanders().ContainsKey(topic))
+                        commander = s.GetCommanders()[topic];
+                }
 
-                    // This is a hack to allow the user to enter the help command in upper or lowercase.  This will go
-                    // away at some point.
-                    m_console.Commands.AddCommand(capitalizedTopic, false, "help " + topic,
-                                                  "help " + capitalizedTopic,
-                                                  "Get help on plugin command '" + topic + "'",
-                                                  HandleCommanderHelp);
-                    m_console.Commands.AddCommand(capitalizedTopic, false, "help " + capitalizedTopic,
-                                                  "help " + capitalizedTopic,
-                                                  "Get help on plugin command '" + topic + "'",
-                                                  HandleCommanderHelp);
+                if (commander == null)
+                    continue;
 
-                    ICommander commander = null;
-
-                    Scene s = SceneManager.CurrentOrFirstScene;
-
-                    if (s != null && s.GetCommanders() != null)
-                    {
-                        if (s.GetCommanders().ContainsKey(topic))
-                            commander = s.GetCommanders()[topic];
-                    }
-
-                    if (commander == null)
-                        continue;
-
-                    foreach (string command in commander.Commands.Keys)
-                    {
-                        m_console.Commands.AddCommand(capitalizedTopic, false,
-                                                      topic + " " + command,
-                                                      topic + " " + commander.Commands[command].ShortHelp(),
-                                                      String.Empty, HandleCommanderCommand);
-                    }
+                foreach (string command in commander.Commands.Keys)
+                {
+                    console.Commands.AddCommand(capitalizedTopic, false,
+                                                  topic + " " + command,
+                                                  topic + " " + commander.Commands[command].ShortHelp(),
+                                                  String.Empty, HandleCommanderCommand);
                 }
             }
         }
@@ -305,8 +303,13 @@ namespace OpenSim
             m_httpServerPort = m_networkServersInfo.HttpListenerPort;
             SceneManager.OnRestartSim += handleRestartRegion;
 
-            // Only start the memory watchdog once all regions are ready
-            SceneManager.OnRegionsReadyStatusChange += sm => MemoryWatchdog.Enabled = sm.AllRegionsReady;
+            // Only enable the watchdogs when all regions are ready.  Otherwise we get false positives when cpu is
+            // heavily used during initial startup.
+            //
+            // FIXME: It's also possible that region ready status should be flipped during an OAR load since this
+            // also makes heavy use of the CPU.
+            SceneManager.OnRegionsReadyStatusChange
+                += sm => { MemoryWatchdog.Enabled = sm.AllRegionsReady; Watchdog.Enabled = sm.AllRegionsReady; };
         }
 
         /// <summary>

OpenSim/Region/ClientStack/Linden/Caps/BunchOfCaps/BunchOfCaps.cs

@@ -163,8 +163,8 @@ namespace OpenSim.Region.ClientStack.Linden
                 m_HostCapsObj.RegisterHandler(
                     "SEED", new RestStreamHandler("POST", capsBase + m_requestPath, SeedCapRequest, "SEED", null));
 
-                m_log.DebugFormat(
-                    "[CAPS]: Registered seed capability {0} for {1}", capsBase + m_requestPath, m_HostCapsObj.AgentID);
+//                m_log.DebugFormat(
+//                    "[CAPS]: Registered seed capability {0} for {1}", capsBase + m_requestPath, m_HostCapsObj.AgentID);
 
                 //m_capsHandlers["MapLayer"] =
                 //    new LLSDStreamhandler<OSDMapRequest, OSDMapLayerResponse>("POST",
@@ -254,11 +254,12 @@ namespace OpenSim.Region.ClientStack.Linden
         public string SeedCapRequest(string request, string path, string param,
                                   IOSHttpRequest httpRequest, IOSHttpResponse httpResponse)
         {
-//            m_log.Debug("[CAPS]: Seed Caps Request in region: " + m_regionName);
+            m_log.DebugFormat(
+                "[CAPS]: Received SEED caps request in {0} for agent {1}", m_regionName, m_HostCapsObj.AgentID);
 
             if (!m_Scene.CheckClient(m_HostCapsObj.AgentID, httpRequest.RemoteIPEndPoint))
             {
-                m_log.DebugFormat(
+                m_log.WarnFormat(
                     "[CAPS]: Unauthorized CAPS client {0} from {1}",
                     m_HostCapsObj.AgentID, httpRequest.RemoteIPEndPoint);
 

OpenSim/Region/ClientStack/Linden/Caps/EventQueue/EventQueueGetModule.cs

@@ -94,7 +94,7 @@ namespace OpenSim.Region.ClientStack.Linden
                 
                 //scene.CommsManager.HttpServer.AddLLSDHandler("/CAPS/EQG/", EventQueueFallBack);
 
-                scene.EventManager.OnNewClient += OnNewClient;
+//                scene.EventManager.OnNewClient += OnNewClient;
 
                 // TODO: Leaving these open, or closing them when we
                 // become a child is incorrect. It messes up TP in a big
@@ -102,6 +102,7 @@ namespace OpenSim.Region.ClientStack.Linden
                 // circuit is there.
 
                 scene.EventManager.OnClientClosed += ClientClosed;
+                
                 scene.EventManager.OnMakeChildAgent += MakeChildAgent;
                 scene.EventManager.OnRegisterCaps += OnRegisterCaps;
 
@@ -110,10 +111,10 @@ namespace OpenSim.Region.ClientStack.Linden
                     false,
                     "debug eq",
                     "debug eq [0|1|2]",
-                    "Turn on event queue debugging"
-                        + "<= 0 - turns off all event queue logging"
-                        + ">= 1 - turns on outgoing event logging"
-                        + ">= 2 - turns on poll notification",
+                    "Turn on event queue debugging\n"
+                        + "  <= 0 - turns off all event queue logging\n"
+                        + "  >= 1 - turns on outgoing event logging\n"
+                        + "  >= 2 - turns on poll notification",
                     HandleDebugEq);
             }
             else
@@ -226,16 +227,6 @@ namespace OpenSim.Region.ClientStack.Linden
 
         #endregion
 
-        private void OnNewClient(IClientAPI client)
-        {
-            //client.OnLogout += ClientClosed;
-        }
-
-//        private void ClientClosed(IClientAPI client)
-//        {
-//            ClientClosed(client.AgentId);
-//        }
-
         private void ClientClosed(UUID agentID, Scene scene)
         {
 //            m_log.DebugFormat("[EVENTQUEUE]: Closed client {0} in region {1}", agentID, m_scene.RegionInfo.RegionName);

OpenSim/Region/ClientStack/Linden/Caps/EventQueue/Tests/EventQueueTests.cs

@@ -94,7 +94,7 @@ namespace OpenSim.Region.ClientStack.Linden.Tests
             UUID spId = TestHelpers.ParseTail(0x1);
 
             SceneHelpers.AddScenePresence(m_scene, spId);
-            m_scene.IncomingCloseAgent(spId);
+            m_scene.IncomingCloseAgent(spId, false);
 
             // TODO: Add more assertions for the other aspects of event queues
             Assert.That(MainServer.Instance.GetPollServiceHandlerKeys().Count, Is.EqualTo(0));

OpenSim/Region/ClientStack/Linden/UDP/IncomingPacket.cs

@@ -45,7 +45,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         public Packet Packet;
 
         /// <summary>
-        /// Default constructor
+        /// No arg constructor.
+        /// </summary>
+        public IncomingPacket() {}
+
+        /// <summary>
+        /// Constructor
         /// </summary>
         /// <param name="client">Reference to the client this packet came from</param>
         /// <param name="packet">Packet data</param>

OpenSim/Region/ClientStack/Linden/UDP/LLClientView.cs

@@ -91,8 +91,23 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         public event ObjectDeselect OnObjectDetach;
         public event ObjectDrop OnObjectDrop;
         public event Action<IClientAPI, bool> OnCompleteMovementToRegion;
+
+        /// <summary>
+        /// Called when an AgentUpdate message is received and before OnAgentUpdate.
+        /// </summary>
+        /// <remarks>
+        /// Listeners must not retain a reference to AgentUpdateArgs since this object is reused for subsequent AgentUpdates.
+        /// </remarks>
         public event UpdateAgent OnPreAgentUpdate;
+
+        /// <summary>
+        /// Called when an AgentUpdate message is received and after OnPreAgentUpdate.
+        /// </summary>
+        /// <remarks>
+        /// Listeners must not retain a reference to AgentUpdateArgs since this object is reused for subsequent AgentUpdates.
+        /// </remarks>
         public event UpdateAgent OnAgentUpdate;
+
         public event AgentRequestSit OnAgentRequestSit;
         public event AgentSit OnAgentSit;
         public event AvatarPickerRequest OnAvatarPickerRequest;
@@ -346,7 +361,17 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         private int m_moneyBalance;
         private int m_animationSequenceNumber = 1;
         private bool m_SendLogoutPacketWhenClosing = true;
-        private AgentUpdateArgs lastarg;
+
+        /// <summary>
+        /// We retain a single AgentUpdateArgs so that we can constantly reuse it rather than construct a new one for
+        /// every single incoming AgentUpdate.  Every client sends 10 AgentUpdate UDP messages per second, even if it
+        /// is doing absolutely nothing.
+        /// </summary>
+        /// <remarks>
+        /// This does mean that agent updates must be processed synchronously, at least for each client, and called methods
+        /// cannot retain a reference to it outside of that method.
+        /// </remarks>
+        private AgentUpdateArgs m_lastAgentUpdateArgs;
 
         protected Dictionary<PacketType, PacketProcessor> m_packetHandlers = new Dictionary<PacketType, PacketProcessor>();
         protected Dictionary<string, GenericMessage> m_genericPacketHandlers = new Dictionary<string, GenericMessage>(); //PauPaw:Local Generic Message handlers
@@ -487,16 +512,20 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
         #region Client Methods
 
-        /// <summary>
-        /// Close down the client view
-        /// </summary>
         public void Close()
+        {
+            Close(false);
+        }
+
+        public void Close(bool force)
         {
             // We lock here to prevent race conditions between two threads calling close simultaneously (e.g.
             // a simultaneous relog just as a client is being closed out due to no packet ack from the old connection.
             lock (CloseSyncLock)
             {
-                if (!IsActive)
+                // We still perform a force close inside the sync lock since this is intended to attempt close where
+                // there is some unidentified connection problem, not where we have issues due to deadlock
+                if (!IsActive && !force)
                     return;
 
                 IsActive = false;
@@ -3917,7 +3946,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 {
                     List<ImprovedTerseObjectUpdatePacket.ObjectDataBlock> blocks = terseAgentUpdateBlocks.Value;
 
-                    ImprovedTerseObjectUpdatePacket packet = new ImprovedTerseObjectUpdatePacket();
+                    ImprovedTerseObjectUpdatePacket packet
+                        = (ImprovedTerseObjectUpdatePacket)PacketPool.Instance.GetPacket(PacketType.ImprovedTerseObjectUpdate);
+
                     packet.RegionData.RegionHandle = m_scene.RegionInfo.RegionHandle;
                     packet.RegionData.TimeDilation = timeDilation;
                     packet.ObjectData = new ImprovedTerseObjectUpdatePacket.ObjectDataBlock[blocks.Count];
@@ -3962,7 +3993,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 {
                     List<ImprovedTerseObjectUpdatePacket.ObjectDataBlock> blocks = terseUpdateBlocks.Value;
         
-                    ImprovedTerseObjectUpdatePacket packet = new ImprovedTerseObjectUpdatePacket();
+                    ImprovedTerseObjectUpdatePacket packet
+                        = (ImprovedTerseObjectUpdatePacket)PacketPool.Instance.GetPacket(
+                            PacketType.ImprovedTerseObjectUpdate);
+
                     packet.RegionData.RegionHandle = m_scene.RegionInfo.RegionHandle;
                     packet.RegionData.TimeDilation = timeDilation;
                     packet.ObjectData = new ImprovedTerseObjectUpdatePacket.ObjectDataBlock[blocks.Count];
@@ -4447,37 +4481,44 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 if (bl[i].BannedUserID == UUID.Zero)
                     continue;
                 BannedUsers.Add(bl[i].BannedUserID);
+
+                if (BannedUsers.Count >= 50 || (i == (bl.Length - 1) && BannedUsers.Count > 0))
+                {
+                    EstateOwnerMessagePacket packet = new EstateOwnerMessagePacket();
+                    packet.AgentData.TransactionID = UUID.Random();
+                    packet.AgentData.AgentID = AgentId;
+                    packet.AgentData.SessionID = SessionId;
+                    packet.MethodData.Invoice = invoice;
+                    packet.MethodData.Method = Utils.StringToBytes("setaccess");
+
+                    EstateOwnerMessagePacket.ParamListBlock[] returnblock = new EstateOwnerMessagePacket.ParamListBlock[6 + BannedUsers.Count];
+
+                    int j;
+                    for (j = 0; j < (6 + BannedUsers.Count); j++)
+                    {
+                        returnblock[j] = new EstateOwnerMessagePacket.ParamListBlock();
+                    }
+                    j = 0; 
+
+                    returnblock[j].Parameter = Utils.StringToBytes(estateID.ToString()); j++;
+                    returnblock[j].Parameter = Utils.StringToBytes(((int)Constants.EstateAccessCodex.EstateBans).ToString()); j++;
+                    returnblock[j].Parameter = Utils.StringToBytes("0"); j++;
+                    returnblock[j].Parameter = Utils.StringToBytes("0"); j++;
+                    returnblock[j].Parameter = Utils.StringToBytes(BannedUsers.Count.ToString()); j++;
+                    returnblock[j].Parameter = Utils.StringToBytes("0"); j++;
+
+                    foreach (UUID banned in BannedUsers)
+                    {
+                        returnblock[j].Parameter = banned.GetBytes(); j++;
+                    }
+                    packet.ParamList = returnblock;
+                    packet.Header.Reliable = true;
+                    OutPacket(packet, ThrottleOutPacketType.Task);
+
+                    BannedUsers.Clear();
+                }
             }
 
-            EstateOwnerMessagePacket packet = new EstateOwnerMessagePacket();
-            packet.AgentData.TransactionID = UUID.Random();
-            packet.AgentData.AgentID = AgentId;
-            packet.AgentData.SessionID = SessionId;
-            packet.MethodData.Invoice = invoice;
-            packet.MethodData.Method = Utils.StringToBytes("setaccess");
-
-            EstateOwnerMessagePacket.ParamListBlock[] returnblock = new EstateOwnerMessagePacket.ParamListBlock[6 + BannedUsers.Count];
-
-            for (int i = 0; i < (6 + BannedUsers.Count); i++)
-            {
-                returnblock[i] = new EstateOwnerMessagePacket.ParamListBlock();
-            }
-            int j = 0;
-
-            returnblock[j].Parameter = Utils.StringToBytes(estateID.ToString()); j++;
-            returnblock[j].Parameter = Utils.StringToBytes(((int)Constants.EstateAccessCodex.EstateBans).ToString()); j++;
-            returnblock[j].Parameter = Utils.StringToBytes("0"); j++;
-            returnblock[j].Parameter = Utils.StringToBytes("0"); j++;
-            returnblock[j].Parameter = Utils.StringToBytes(BannedUsers.Count.ToString()); j++;
-            returnblock[j].Parameter = Utils.StringToBytes("0"); j++;
-
-            foreach (UUID banned in BannedUsers)
-            {
-                returnblock[j].Parameter = banned.GetBytes(); j++;
-            }
-            packet.ParamList = returnblock;
-            packet.Header.Reliable = false;
-            OutPacket(packet, ThrottleOutPacketType.Task);
         }
 
         public void SendRegionInfoToEstateMenu(RegionInfoForEstateMenuArgs args)
@@ -4947,7 +4988,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             Utils.UInt16ToBytes(Utils.FloatToUInt16(angularVelocity.Y, -64.0f, 64.0f), data, pos); pos += 2;
             Utils.UInt16ToBytes(Utils.FloatToUInt16(angularVelocity.Z, -64.0f, 64.0f), data, pos); pos += 2;
 
-            ImprovedTerseObjectUpdatePacket.ObjectDataBlock block = new ImprovedTerseObjectUpdatePacket.ObjectDataBlock();
+            ImprovedTerseObjectUpdatePacket.ObjectDataBlock block
+                = PacketPool.Instance.GetDataBlock<ImprovedTerseObjectUpdatePacket.ObjectDataBlock>();
+            
             block.Data = data;
 
             if (textureEntry != null && textureEntry.Length > 0)
@@ -5179,7 +5222,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         protected virtual void RegisterLocalPacketHandlers()
         {
             AddLocalPacketHandler(PacketType.LogoutRequest, HandleLogout);
+
+            // If AgentUpdate is ever handled asynchronously, then we will also need to construct a new AgentUpdateArgs
+            // for each AgentUpdate packet.
             AddLocalPacketHandler(PacketType.AgentUpdate, HandleAgentUpdate, false);
+            
             AddLocalPacketHandler(PacketType.ViewerEffect, HandleViewerEffect, false);
             AddLocalPacketHandler(PacketType.AgentCachedTexture, HandleAgentTextureCached, false);
             AddLocalPacketHandler(PacketType.MultipleObjectUpdate, HandleMultipleObjUpdate, false);
@@ -5406,80 +5453,83 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
         #region Scene/Avatar
 
-        private bool HandleAgentUpdate(IClientAPI sener, Packet Pack)
+        private bool HandleAgentUpdate(IClientAPI sener, Packet packet)
         {
             if (OnAgentUpdate != null)
             {
-                bool update = false;
-                AgentUpdatePacket agenUpdate = (AgentUpdatePacket)Pack;
+                AgentUpdatePacket agentUpdate = (AgentUpdatePacket)packet;
 
                 #region Packet Session and User Check
-                if (agenUpdate.AgentData.SessionID != SessionId || agenUpdate.AgentData.AgentID != AgentId)
+                if (agentUpdate.AgentData.SessionID != SessionId || agentUpdate.AgentData.AgentID != AgentId)
+                {
+                    PacketPool.Instance.ReturnPacket(packet);
                     return false;
+                }
                 #endregion
 
-                AgentUpdatePacket.AgentDataBlock x = agenUpdate.AgentData;
+                bool update = false;
+                AgentUpdatePacket.AgentDataBlock x = agentUpdate.AgentData;
 
-                // We can only check when we have something to check
-                // against.
-
-                if (lastarg != null)
+                if (m_lastAgentUpdateArgs != null)
                 {
+                    // These should be ordered from most-likely to
+                    // least likely to change. I've made an initial
+                    // guess at that.
                     update =
                        (
-                        (x.BodyRotation != lastarg.BodyRotation) ||
-                        (x.CameraAtAxis != lastarg.CameraAtAxis) ||
-                        (x.CameraCenter != lastarg.CameraCenter) ||
-                        (x.CameraLeftAxis != lastarg.CameraLeftAxis) ||
-                        (x.CameraUpAxis != lastarg.CameraUpAxis) ||
-                        (x.ControlFlags != lastarg.ControlFlags) ||
-                        (x.Far != lastarg.Far) ||
-                        (x.Flags != lastarg.Flags) ||
-                        (x.State != lastarg.State) ||
-                        (x.HeadRotation != lastarg.HeadRotation) ||
-                        (x.SessionID != lastarg.SessionID) ||
-                        (x.AgentID != lastarg.AgentID)
+                        (x.BodyRotation != m_lastAgentUpdateArgs.BodyRotation) ||
+                        (x.CameraAtAxis != m_lastAgentUpdateArgs.CameraAtAxis) ||
+                        (x.CameraCenter != m_lastAgentUpdateArgs.CameraCenter) ||
+                        (x.CameraLeftAxis != m_lastAgentUpdateArgs.CameraLeftAxis) ||
+                        (x.CameraUpAxis != m_lastAgentUpdateArgs.CameraUpAxis) ||
+                        (x.ControlFlags != m_lastAgentUpdateArgs.ControlFlags) ||
+                        (x.Far != m_lastAgentUpdateArgs.Far) ||
+                        (x.Flags != m_lastAgentUpdateArgs.Flags) ||
+                        (x.State != m_lastAgentUpdateArgs.State) ||
+                        (x.HeadRotation != m_lastAgentUpdateArgs.HeadRotation) ||
+                        (x.SessionID != m_lastAgentUpdateArgs.SessionID) ||
+                        (x.AgentID != m_lastAgentUpdateArgs.AgentID)
                        );
                 }
                 else
                 {
+                    m_lastAgentUpdateArgs = new AgentUpdateArgs();
                     update = true;
                 }
 
-                // These should be ordered from most-likely to
-                // least likely to change. I've made an initial
-                // guess at that.
-
                 if (update)
                 {
 //                    m_log.DebugFormat("[LLCLIENTVIEW]: Triggered AgentUpdate for {0}", sener.Name);
 
-                    AgentUpdateArgs arg = new AgentUpdateArgs();
-                    arg.AgentID = x.AgentID;
-                    arg.BodyRotation = x.BodyRotation;
-                    arg.CameraAtAxis = x.CameraAtAxis;
-                    arg.CameraCenter = x.CameraCenter;
-                    arg.CameraLeftAxis = x.CameraLeftAxis;
-                    arg.CameraUpAxis = x.CameraUpAxis;
-                    arg.ControlFlags = x.ControlFlags;
-                    arg.Far = x.Far;
-                    arg.Flags = x.Flags;
-                    arg.HeadRotation = x.HeadRotation;
-                    arg.SessionID = x.SessionID;
-                    arg.State = x.State;
+                    m_lastAgentUpdateArgs.AgentID = x.AgentID;
+                    m_lastAgentUpdateArgs.BodyRotation = x.BodyRotation;
+                    m_lastAgentUpdateArgs.CameraAtAxis = x.CameraAtAxis;
+                    m_lastAgentUpdateArgs.CameraCenter = x.CameraCenter;
+                    m_lastAgentUpdateArgs.CameraLeftAxis = x.CameraLeftAxis;
+                    m_lastAgentUpdateArgs.CameraUpAxis = x.CameraUpAxis;
+                    m_lastAgentUpdateArgs.ControlFlags = x.ControlFlags;
+                    m_lastAgentUpdateArgs.Far = x.Far;
+                    m_lastAgentUpdateArgs.Flags = x.Flags;
+                    m_lastAgentUpdateArgs.HeadRotation = x.HeadRotation;
+                    m_lastAgentUpdateArgs.SessionID = x.SessionID;
+                    m_lastAgentUpdateArgs.State = x.State;
+
                     UpdateAgent handlerAgentUpdate = OnAgentUpdate;
                     UpdateAgent handlerPreAgentUpdate = OnPreAgentUpdate;
-                    lastarg = arg; // save this set of arguments for nexttime
+
                     if (handlerPreAgentUpdate != null)
-                        OnPreAgentUpdate(this, arg);
+                        OnPreAgentUpdate(this, m_lastAgentUpdateArgs);
+
                     if (handlerAgentUpdate != null)
-                        OnAgentUpdate(this, arg);
+                        OnAgentUpdate(this, m_lastAgentUpdateArgs);
 
                     handlerAgentUpdate = null;
                     handlerPreAgentUpdate = null;
                 }
             }
 
+            PacketPool.Instance.ReturnPacket(packet);
+
             return true;
         }
 
@@ -5810,7 +5860,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 args.Channel = ch;
                 args.From = String.Empty;
                 args.Message = Utils.BytesToString(msg);
-                args.Type = ChatTypeEnum.Shout;
+                args.Type = ChatTypeEnum.Region; //Behaviour in SL is that the response can be heard from any distance
                 args.Position = new Vector3();
                 args.Scene = Scene;
                 args.Sender = this;
@@ -9043,7 +9093,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             }
             #endregion
 
-            switch (Utils.BytesToString(messagePacket.MethodData.Method))
+            string method = Utils.BytesToString(messagePacket.MethodData.Method);
+
+            switch (method)
             {
                 case "getinfo":
                     if (((Scene)m_scene).Permissions.CanIssueEstateCommand(AgentId, false))
@@ -9359,7 +9411,17 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                     return true;
 
                 default:
-                    m_log.Error("EstateOwnerMessage: Unknown method requested\n" + messagePacket);
+                    m_log.WarnFormat(
+                        "[LLCLIENTVIEW]: EstateOwnerMessage: Unknown method {0} requested for {1} in {2}",
+                        method, Name, Scene.Name);
+
+                    for (int i = 0; i < messagePacket.ParamList.Length; i++)
+                    {
+                        EstateOwnerMessagePacket.ParamListBlock block = messagePacket.ParamList[i];
+                        string data = (string)Utils.BytesToString(block.Parameter);
+                        m_log.DebugFormat("[LLCLIENTVIEW]: Param {0}={1}", i, data);
+                    }
+
                     return true;
             }
 
@@ -11745,7 +11807,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                     logPacket = false;
                 
                 if (DebugPacketLevel <= 50
-                    & (packet.Type == PacketType.ImprovedTerseObjectUpdate || packet.Type == PacketType.ObjectUpdate))
+                    && (packet.Type == PacketType.ImprovedTerseObjectUpdate || packet.Type == PacketType.ObjectUpdate))
                     logPacket = false;
 
                 if (DebugPacketLevel <= 25 && packet.Type == PacketType.ObjectPropertiesFamily)
@@ -11819,8 +11881,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
             if (!ProcessPacketMethod(packet))
                 m_log.Warn("[CLIENT]: unhandled packet " + packet.Type);
-
-            PacketPool.Instance.ReturnPacket(packet);
         }
 
         private static PrimitiveBaseShape GetShapeFromAddPacket(ObjectAddPacket addPacket)
@@ -11989,7 +12049,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         {
             Kick(reason);
             Thread.Sleep(1000);
-            Close();
+            Disconnect();
         }
 
         public void Disconnect()
@@ -12273,7 +12333,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 ushort timeDilation = Utils.FloatToUInt16(TIME_DILATION, 0.0f, 1.0f);
 
 
-                ImprovedTerseObjectUpdatePacket packet = new ImprovedTerseObjectUpdatePacket();
+                ImprovedTerseObjectUpdatePacket packet
+                    = (ImprovedTerseObjectUpdatePacket)PacketPool.Instance.GetPacket(
+                        PacketType.ImprovedTerseObjectUpdate);
+
                 packet.RegionData.RegionHandle = m_scene.RegionInfo.RegionHandle;
                 packet.RegionData.TimeDilation = timeDilation;
                 packet.ObjectData = new ImprovedTerseObjectUpdatePacket.ObjectDataBlock[1];

OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs

@@ -37,6 +37,7 @@ using log4net;
 using Nini.Config;
 using OpenMetaverse.Packets;
 using OpenSim.Framework;
+using OpenSim.Framework.Console;
 using OpenSim.Framework.Monitoring;
 using OpenSim.Region.Framework.Scenes;
 using OpenMetaverse;
@@ -100,9 +101,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
         /// <summary>The measured resolution of Environment.TickCount</summary>
         public readonly float TickCountResolution;
+
         /// <summary>Number of prim updates to put on the queue each time the 
         /// OnQueueEmpty event is triggered for updates</summary>
         public readonly int PrimUpdatesPerCallback;
+
         /// <summary>Number of texture packets to put on the queue each time the
         /// OnQueueEmpty event is triggered for textures</summary>
         public readonly int TextureSendLimit;
@@ -111,6 +114,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         //PacketEventDictionary packetEvents = new PacketEventDictionary();
         /// <summary>Incoming packets that are awaiting handling</summary>
         private OpenMetaverse.BlockingQueue<IncomingPacket> packetInbox = new OpenMetaverse.BlockingQueue<IncomingPacket>();
+
         /// <summary></summary>
         //private UDPClientCollection m_clients = new UDPClientCollection();
         /// <summary>Bandwidth throttle for this UDP server</summary>
@@ -121,28 +125,37 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         
         /// <summary>Manages authentication for agent circuits</summary>
         private AgentCircuitManager m_circuitManager;
+
         /// <summary>Reference to the scene this UDP server is attached to</summary>
         protected Scene m_scene;
+
         /// <summary>The X/Y coordinates of the scene this UDP server is attached to</summary>
         private Location m_location;
+
         /// <summary>The size of the receive buffer for the UDP socket. This value
         /// is passed up to the operating system and used in the system networking
         /// stack. Use zero to leave this value as the default</summary>
         private int m_recvBufferSize;
+
         /// <summary>Flag to process packets asynchronously or synchronously</summary>
         private bool m_asyncPacketHandling;
+
         /// <summary>Tracks whether or not a packet was sent each round so we know
         /// whether or not to sleep</summary>
         private bool m_packetSent;
 
         /// <summary>Environment.TickCount of the last time that packet stats were reported to the scene</summary>
         private int m_elapsedMSSinceLastStatReport = 0;
+
         /// <summary>Environment.TickCount of the last time the outgoing packet handler executed</summary>
         private int m_tickLastOutgoingPacketHandler;
+
         /// <summary>Keeps track of the number of elapsed milliseconds since the last time the outgoing packet handler looped</summary>
         private int m_elapsedMSOutgoingPacketHandler;
+
         /// <summary>Keeps track of the number of 100 millisecond periods elapsed in the outgoing packet handler executed</summary>
         private int m_elapsed100MSOutgoingPacketHandler;
+
         /// <summary>Keeps track of the number of 500 millisecond periods elapsed in the outgoing packet handler executed</summary>
         private int m_elapsed500MSOutgoingPacketHandler;
 
@@ -155,6 +168,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// <summary>Flag to signal when clients should send pings</summary>
         protected bool m_sendPing;
 
+        private Pool<IncomingPacket> m_incomingPacketPool;
+
         private int m_defaultRTO = 0;
         private int m_maxRTO = 0;
         private int m_ackTimeout = 0;
@@ -175,7 +190,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         /// </summary>
         private IClientAPI m_currentIncomingClient;
 
-        public LLUDPServer(IPAddress listenIP, ref uint port, int proxyPortOffsetParm, bool allow_alternate_port, IConfigSource configSource, AgentCircuitManager circuitManager)
+        public LLUDPServer(
+            IPAddress listenIP, ref uint port, int proxyPortOffsetParm, bool allow_alternate_port,
+            IConfigSource configSource, AgentCircuitManager circuitManager)
             : base(listenIP, (int)port)
         {
             #region Environment.TickCount Measurement
@@ -222,6 +239,16 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 m_pausedAckTimeout = 1000 * 300; // 5 minutes
             }
 
+            // FIXME: This actually only needs to be done once since the PacketPool is shared across all servers.
+            // However, there is no harm in temporarily doing it multiple times.
+            IConfig packetConfig = configSource.Configs["PacketPool"];
+            if (packetConfig != null)
+            {
+                PacketPool.Instance.RecyclePackets = packetConfig.GetBoolean("RecyclePackets", true);
+                PacketPool.Instance.RecycleDataBlocks = packetConfig.GetBoolean("RecycleDataBlocks", true);
+                UsePools = packetConfig.GetBoolean("RecycleBaseUDPPackets", false);
+            }
+
             #region BinaryStats
             config = configSource.Configs["Statistics.Binary"];
             m_shouldCollectStats = false;
@@ -249,20 +276,28 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
             m_throttle = new TokenBucket(null, sceneThrottleBps);
             ThrottleRates = new ThrottleRates(configSource);
+
+            if (UsePools)
+                m_incomingPacketPool = new Pool<IncomingPacket>(() => new IncomingPacket(), 500);
         }
 
         public void Start()
         {
-            if (m_scene == null)
-                throw new InvalidOperationException("[LLUDPSERVER]: Cannot LLUDPServer.Start() without an IScene reference");
+            StartInbound();
+            StartOutbound();
 
+            m_elapsedMSSinceLastStatReport = Environment.TickCount;
+        }
+
+        private void StartInbound()
+        {
             m_log.InfoFormat(
-                "[LLUDPSERVER]: Starting the LLUDP server in {0} mode",
-                m_asyncPacketHandling ? "asynchronous" : "synchronous");
+                "[LLUDPSERVER]: Starting inbound packet processing for the LLUDP server in {0} mode with UsePools = {1}",
+                m_asyncPacketHandling ? "asynchronous" : "synchronous", UsePools);
 
-            base.Start(m_recvBufferSize, m_asyncPacketHandling);
+            base.StartInbound(m_recvBufferSize, m_asyncPacketHandling);
 
-            // Start the packet processing threads
+            // This thread will process the packets received that are placed on the packetInbox
             Watchdog.StartThread(
                 IncomingPacketHandler,
                 string.Format("Incoming Packets ({0})", m_scene.RegionInfo.RegionName),
@@ -271,6 +306,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 true,
                 GetWatchdogIncomingAlarmData,
                 Watchdog.DEFAULT_WATCHDOG_TIMEOUT_MS);
+        }
+
+        private new void StartOutbound()
+        {
+            m_log.Info("[LLUDPSERVER]: Starting outbound packet processing for the LLUDP server");
+
+            base.StartOutbound();
 
             Watchdog.StartThread(
                 OutgoingPacketHandler,
@@ -280,8 +322,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 true,
                 GetWatchdogOutgoingAlarmData,
                 Watchdog.DEFAULT_WATCHDOG_TIMEOUT_MS);
+        }
 
-            m_elapsedMSSinceLastStatReport = Environment.TickCount;
+        public void Stop()
+        {
+            m_log.Info("[LLUDPSERVER]: Shutting down the LLUDP server for " + m_scene.RegionInfo.RegionName);
+            base.StopOutbound();
+            base.StopInbound();
         }
 
         /// <summary>
@@ -306,12 +353,6 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 m_currentOutgoingClient != null ? m_currentOutgoingClient.Name : "none");
         }
 
-        public new void Stop()
-        {
-            m_log.Info("[LLUDPSERVER]: Shutting down the LLUDP server for " + m_scene.RegionInfo.RegionName);
-            base.Stop();
-        }
-
         public void AddScene(IScene scene)
         {
             if (m_scene != null)
@@ -328,6 +369,81 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
             m_scene = (Scene)scene;
             m_location = new Location(m_scene.RegionInfo.RegionHandle);
+
+            MainConsole.Instance.Commands.AddCommand(
+                "Debug",
+                false,
+                "debug lludp start",
+                "debug lludp start <in|out|all>",
+                "Control LLUDP packet processing.",
+                "No effect if packet processing has already started.\n"
+                    + "in  - start inbound processing.\n"
+                    + "out - start outbound processing.\n"
+                    + "all - start in and outbound processing.\n",
+                HandleStartCommand);
+
+            MainConsole.Instance.Commands.AddCommand(
+                "Debug",
+                false,
+                "debug lludp stop",
+                "debug lludp stop <in|out|all>",
+                "Stop LLUDP packet processing.",
+                "No effect if packet processing has already stopped.\n"
+                    + "in  - stop inbound processing.\n"
+                    + "out - stop outbound processing.\n"
+                    + "all - stop in and outbound processing.\n",
+                HandleStopCommand);
+
+            MainConsole.Instance.Commands.AddCommand(
+                "Debug",
+                false,
+                "debug lludp status",
+                "debug lludp status",
+                "Return status of LLUDP packet processing.",
+                HandleStatusCommand);
+        }
+
+        private void HandleStartCommand(string module, string[] args)
+        {
+            if (args.Length != 4)
+            {
+                MainConsole.Instance.Output("Usage: debug lludp start <in|out|all>");
+                return;
+            }
+
+            string subCommand = args[3];
+
+            if (subCommand == "in" || subCommand == "all")
+                StartInbound();
+
+            if (subCommand == "out" || subCommand == "all")
+                StartOutbound();
+        }
+
+        private void HandleStopCommand(string module, string[] args)
+        {
+            if (args.Length != 4)
+            {
+                MainConsole.Instance.Output("Usage: debug lludp stop <in|out|all>");
+                return;
+            }
+
+            string subCommand = args[3];
+
+            if (subCommand == "in" || subCommand == "all")
+                StopInbound();
+
+            if (subCommand == "out" || subCommand == "all")
+                StopOutbound();
+        }
+
+        private void HandleStatusCommand(string module, string[] args)
+        {
+            MainConsole.Instance.OutputFormat(
+                "IN  LLUDP packet processing for {0} is {1}", m_scene.Name, IsRunningInbound ? "enabled" : "disabled");
+
+            MainConsole.Instance.OutputFormat(
+                "OUT LLUDP packet processing for {0} is {1}", m_scene.Name, IsRunningOutbound ? "enabled" : "disabled");
         }
 
         public bool HandlesRegion(Location x)
@@ -411,6 +527,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 byte[] data = packet.ToBytes();
                 SendPacketData(udpClient, data, packet.Type, category, method);
             }
+
+            PacketPool.Instance.ReturnPacket(packet);
         }
 
         /// <summary>
@@ -695,7 +813,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             LLUDPClient udpClient = null;
             Packet packet = null;
             int packetEnd = buffer.DataLength - 1;
-            IPEndPoint address = (IPEndPoint)buffer.RemoteEndPoint;
+            IPEndPoint endPoint = (IPEndPoint)buffer.RemoteEndPoint;
 
             #region Decoding
 
@@ -705,7 +823,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 //                    "[LLUDPSERVER]: Dropping undersized packet with {0} bytes received from {1} in {2}",
 //                    buffer.DataLength, buffer.RemoteEndPoint, m_scene.RegionInfo.RegionName);
 
-                return; // Drop undersizd packet
+                return; // Drop undersized packet
             }
 
             int headerLen = 7;
@@ -728,7 +846,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
             try
             {
-                packet = Packet.BuildPacket(buffer.Data, ref packetEnd,
+//                packet = Packet.BuildPacket(buffer.Data, ref packetEnd,
+//                    // Only allocate a buffer for zerodecoding if the packet is zerocoded
+//                    ((buffer.Data[0] & Helpers.MSG_ZEROCODED) != 0) ? new byte[4096] : null);
+                // If OpenSimUDPBase.UsePool == true (which is currently separate from the PacketPool) then we
+                // assume that packet construction does not retain a reference to byte[] buffer.Data (instead, all
+                // bytes are copied out).
+                packet = PacketPool.Instance.GetPacket(buffer.Data, ref packetEnd,
                     // Only allocate a buffer for zerodecoding if the packet is zerocoded
                     ((buffer.Data[0] & Helpers.MSG_ZEROCODED) != 0) ? new byte[4096] : null);
             }
@@ -743,11 +867,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
                 return; // Drop short packet
             }
-            catch(Exception e)
+            catch (Exception e)
             {
                 if (m_malformedCount < 100)
                     m_log.DebugFormat("[LLUDPSERVER]: Dropped malformed packet: " + e.ToString());
+
                 m_malformedCount++;
+
                 if ((m_malformedCount % 100000) == 0)
                     m_log.DebugFormat("[LLUDPSERVER]: Received {0} malformed packets so far, probable network attack.", m_malformedCount);
             }
@@ -768,7 +894,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             // UseCircuitCode handling
             if (packet.Type == PacketType.UseCircuitCode)
             {
-                object[] array = new object[] { buffer, packet };
+                // We need to copy the endpoint so that it doesn't get changed when another thread reuses the
+                // buffer.
+                object[] array = new object[] { new IPEndPoint(endPoint.Address, endPoint.Port), packet };
 
                 Util.FireAndForget(HandleUseCircuitCode, array);
 
@@ -777,7 +905,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
             // Determine which agent this packet came from
             IClientAPI client;
-            if (!m_scene.TryGetClient(address, out client) || !(client is LLClientView))
+            if (!m_scene.TryGetClient(endPoint, out client) || !(client is LLClientView))
             {
                 //m_log.Debug("[LLUDPSERVER]: Received a " + packet.Type + " packet from an unrecognized source: " + address + " in " + m_scene.RegionInfo.RegionName);
                 return;
@@ -801,6 +929,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             // Handle appended ACKs
             if (packet.Header.AppendedAcks && packet.Header.AckList != null)
             {
+//                m_log.DebugFormat(
+//                    "[LLUDPSERVER]: Handling {0} appended acks from {1} in {2}",
+//                    packet.Header.AckList.Length, client.Name, m_scene.Name);
+
                 for (int i = 0; i < packet.Header.AckList.Length; i++)
                     udpClient.NeedAcks.Acknowledge(packet.Header.AckList[i], now, packet.Header.Resent);
             }
@@ -810,6 +942,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             {
                 PacketAckPacket ackPacket = (PacketAckPacket)packet;
 
+//                m_log.DebugFormat(
+//                    "[LLUDPSERVER]: Handling {0} packet acks for {1} in {2}",
+//                    ackPacket.Packets.Length, client.Name, m_scene.Name);
+
                 for (int i = 0; i < ackPacket.Packets.Length; i++)
                     udpClient.NeedAcks.Acknowledge(ackPacket.Packets[i].ID, now, packet.Header.Resent);
 
@@ -823,6 +959,10 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
             if (packet.Header.Reliable)
             {
+//                m_log.DebugFormat(
+//                    "[LLUDPSERVER]: Adding ack request for {0} {1} from {2} in {3}",
+//                    packet.Type, packet.Header.Sequence, client.Name, m_scene.Name);
+
                 udpClient.PendingAcks.Enqueue(packet.Header.Sequence);
 
                 // This is a somewhat odd sequence of steps to pull the client.BytesSinceLastACK value out,
@@ -869,6 +1009,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
             if (packet.Type == PacketType.StartPingCheck)
             {
+//                m_log.DebugFormat("[LLUDPSERVER]: Handling ping from {0} in {1}", client.Name, m_scene.Name);
+
                 // We don't need to do anything else with ping checks
                 StartPingCheckPacket startPing = (StartPingCheckPacket)packet;
                 CompletePing(udpClient, startPing.PingID.PingID);
@@ -888,8 +1030,21 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
             #endregion Ping Check Handling
 
+            IncomingPacket incomingPacket;
+
             // Inbox insertion
-            packetInbox.Enqueue(new IncomingPacket((LLClientView)client, packet));
+            if (UsePools)
+            {
+                incomingPacket = m_incomingPacketPool.GetObject();
+                incomingPacket.Client = (LLClientView)client;
+                incomingPacket.Packet = packet;
+            }
+            else
+            {
+                incomingPacket = new IncomingPacket((LLClientView)client, packet);
+            }
+
+            packetInbox.Enqueue(incomingPacket);
         }
 
         #region BinaryStats
@@ -975,21 +1130,19 @@ namespace OpenSim.Region.ClientStack.LindenUDP
 
         private void HandleUseCircuitCode(object o)
         {
-            IPEndPoint remoteEndPoint = null;
+            IPEndPoint endPoint = null;
             IClientAPI client = null;
 
             try
             {
     //            DateTime startTime = DateTime.Now;
                 object[] array = (object[])o;
-                UDPPacketBuffer buffer = (UDPPacketBuffer)array[0];
+                endPoint = (IPEndPoint)array[0];
                 UseCircuitCodePacket uccp = (UseCircuitCodePacket)array[1];
 
                 m_log.DebugFormat(
                     "[LLUDPSERVER]: Handling UseCircuitCode request for circuit {0} to {1} from IP {2}",
-                    uccp.CircuitCode.Code, m_scene.RegionInfo.RegionName, buffer.RemoteEndPoint);
-    
-                remoteEndPoint = (IPEndPoint)buffer.RemoteEndPoint;
+                    uccp.CircuitCode.Code, m_scene.RegionInfo.RegionName, endPoint);
     
                 AuthenticateResponse sessionInfo;
                 if (IsClientAuthorized(uccp, out sessionInfo))
@@ -1000,13 +1153,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                             uccp.CircuitCode.Code,
                             uccp.CircuitCode.ID,
                             uccp.CircuitCode.SessionID,
-                            remoteEndPoint,
+                            endPoint,
                             sessionInfo);
             
                     // Send ack straight away to let the viewer know that the connection is active.
                     // The client will be null if it already exists (e.g. if on a region crossing the client sends a use
                     // circuit code to the existing child agent.  This is not particularly obvious.
-                    SendAckImmediate(remoteEndPoint, uccp.Header.Sequence);
+                    SendAckImmediate(endPoint, uccp.Header.Sequence);
             
                     // We only want to send initial data to new clients, not ones which are being converted from child to root.
                     if (client != null)
@@ -1017,7 +1170,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                     // Don't create clients for unauthorized requesters.
                     m_log.WarnFormat(
                         "[LLUDPSERVER]: Ignoring connection request for {0} to {1} with unknown circuit code {2} from IP {3}",
-                        uccp.CircuitCode.ID, m_scene.RegionInfo.RegionName, uccp.CircuitCode.Code, remoteEndPoint);
+                        uccp.CircuitCode.ID, m_scene.RegionInfo.RegionName, uccp.CircuitCode.Code, endPoint);
                 }
     
                 //            m_log.DebugFormat(
@@ -1029,7 +1182,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             {
                 m_log.ErrorFormat(
                     "[LLUDPSERVER]: UseCircuitCode handling from endpoint {0}, client {1} {2} failed.  Exception {3}{4}",
-                    remoteEndPoint != null ? remoteEndPoint.ToString() : "n/a",
+                    endPoint != null ? endPoint.ToString() : "n/a",
                     client != null ? client.Name : "unknown",
                     client != null ? client.AgentId.ToString() : "unknown",
                     e.Message,
@@ -1094,20 +1247,20 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         {
             IClientAPI client = null;
 
-            // In priciple there shouldn't be more than one thread here, ever.
-            // But in case that happens, we need to synchronize this piece of code
-            // because it's too important
-            lock (this) 
+            // We currently synchronize this code across the whole scene to avoid issues such as
+            // http://opensimulator.org/mantis/view.php?id=5365  However, once locking per agent circuit can be done
+            // consistently, this lock could probably be removed.
+            lock (this)
             {
                 if (!m_scene.TryGetClient(agentID, out client))
                 {
                     LLUDPClient udpClient = new LLUDPClient(this, ThrottleRates, m_throttle, circuitCode, agentID, remoteEndPoint, m_defaultRTO, m_maxRTO);
-
+    
                     client = new LLClientView(m_scene, this, udpClient, sessionInfo, agentID, sessionID, circuitCode);
                     client.OnLogout += LogoutHandler;
-
+    
                     ((LLClientView)client).DisableFacelights = m_disableFacelights;
-
+    
                     client.Start();
                 }
             }
@@ -1146,7 +1299,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             // on to en-US to avoid number parsing issues
             Culture.SetCurrentCulture();
 
-            while (base.IsRunning)
+            while (IsRunningInbound)
             {
                 try
                 {
@@ -1161,7 +1314,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                     }
 
                     if (packetInbox.Dequeue(100, ref incomingPacket))
+                    {
                         ProcessInPacket(incomingPacket);//, incomingPacket); Util.FireAndForget(ProcessInPacket, incomingPacket);
+
+                        if (UsePools)
+                            m_incomingPacketPool.ReturnObject(incomingPacket);
+                    }
                 }
                 catch (Exception ex)
                 {
@@ -1188,7 +1346,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             // Action generic every round
             Action<IClientAPI> clientPacketHandler = ClientOutgoingPacketHandler;
 
-            while (base.IsRunning)
+            while (base.IsRunningOutbound)
             {
                 try
                 {

OpenSim/Region/ClientStack/Linden/UDP/OpenSimUDPBase.cs

@@ -30,6 +30,7 @@ using System.Net;
 using System.Net.Sockets;
 using System.Threading;
 using log4net;
+using OpenSim.Framework;
 
 namespace OpenMetaverse
 {
@@ -58,17 +59,29 @@ namespace OpenMetaverse
         /// <summary>Flag to process packets asynchronously or synchronously</summary>
         private bool m_asyncPacketHandling;
 
-        /// <summary>The all important shutdown flag</summary>
-        private volatile bool m_shutdownFlag = true;
+        /// <summary>
+        /// Pool to use for handling data.  May be null if UsePools = false;
+        /// </summary>
+        protected OpenSim.Framework.Pool<UDPPacketBuffer> m_pool;
 
-        /// <summary>Returns true if the server is currently listening, otherwise false</summary>
-        public bool IsRunning { get { return !m_shutdownFlag; } }
+        /// <summary>
+        /// Are we to use object pool(s) to reduce memory churn when receiving data?
+        /// </summary>
+        public bool UsePools { get; protected set; }
+
+        /// <summary>Returns true if the server is currently listening for inbound packets, otherwise false</summary>
+        public bool IsRunningInbound { get; private set; }
+
+        /// <summary>Returns true if the server is currently sending outbound packets, otherwise false</summary>
+        /// <remarks>If IsRunningOut = false, then any request to send a packet is simply dropped.</remarks>
+        public bool IsRunningOutbound { get; private set; }
 
         /// <summary>
         /// Default constructor
         /// </summary>
         /// <param name="bindAddress">Local IP address to bind the server to</param>
         /// <param name="port">Port to listening for incoming UDP packets on</param>
+        /// /// <param name="usePool">Are we to use an object pool to get objects for handing inbound data?</param>
         public OpenSimUDPBase(IPAddress bindAddress, int port)
         {
             m_localBindAddress = bindAddress;
@@ -76,7 +89,7 @@ namespace OpenMetaverse
         }
 
         /// <summary>
-        /// Start the UDP server
+        /// Start inbound UDP packet handling.
         /// </summary>
         /// <param name="recvBufferSize">The size of the receive buffer for 
         /// the UDP socket. This value is passed up to the operating system 
@@ -91,11 +104,16 @@ namespace OpenMetaverse
         /// manner (not throwing an exception when the remote side resets the
         /// connection). This call is ignored on Mono where the flag is not
         /// necessary</remarks>
-        public void Start(int recvBufferSize, bool asyncPacketHandling)
+        public void StartInbound(int recvBufferSize, bool asyncPacketHandling)
         {
+            if (UsePools)
+                m_pool = new Pool<UDPPacketBuffer>(() => new UDPPacketBuffer(), 500);
+            else
+                m_pool = null;
+
             m_asyncPacketHandling = asyncPacketHandling;
 
-            if (m_shutdownFlag)
+            if (!IsRunningInbound)
             {
                 const int SIO_UDP_CONNRESET = -1744830452;
 
@@ -127,8 +145,7 @@ namespace OpenMetaverse
 
                 m_udpSocket.Bind(ipep);
 
-                // we're not shutting down, we're starting up
-                m_shutdownFlag = false;
+                IsRunningInbound = true;
 
                 // kick off an async receive.  The Start() method will return, the
                 // actual receives will occur asynchronously and will be caught in
@@ -138,28 +155,41 @@ namespace OpenMetaverse
         }
 
         /// <summary>
-        /// Stops the UDP server
+        /// Start outbound UDP packet handling.
         /// </summary>
-        public void Stop()
+        public void StartOutbound()
         {
-            if (!m_shutdownFlag)
+            IsRunningOutbound = true;
+        }
+
+        public void StopInbound()
+        {
+            if (IsRunningInbound)
             {
                 // wait indefinitely for a writer lock.  Once this is called, the .NET runtime
                 // will deny any more reader locks, in effect blocking all other send/receive
-                // threads.  Once we have the lock, we set shutdownFlag to inform the other
+                // threads.  Once we have the lock, we set IsRunningInbound = false to inform the other
                 // threads that the socket is closed.
-                m_shutdownFlag = true;
+                IsRunningInbound = false;
                 m_udpSocket.Close();
             }
         }
 
+        public void StopOutbound()
+        {
+            IsRunningOutbound = false;
+        }
+
         private void AsyncBeginReceive()
         {
-            // allocate a packet buffer
-            //WrappedObject<UDPPacketBuffer> wrappedBuffer = Pool.CheckOut();
-            UDPPacketBuffer buf = new UDPPacketBuffer();
+            UDPPacketBuffer buf;
 
-            if (!m_shutdownFlag)
+            if (UsePools)
+                buf = m_pool.GetObject();
+            else
+                buf = new UDPPacketBuffer();
+
+            if (IsRunningInbound)
             {
                 try
                 {
@@ -212,7 +242,7 @@ namespace OpenMetaverse
         {
             // Asynchronous receive operations will complete here through the call
             // to AsyncBeginReceive
-            if (!m_shutdownFlag)
+            if (IsRunningInbound)
             {
                 // Asynchronous mode will start another receive before the
                 // callback for this packet is even fired. Very parallel :-)
@@ -221,8 +251,6 @@ namespace OpenMetaverse
 
                 // get the buffer that was created in AsyncBeginReceive
                 // this is the received data
-                //WrappedObject<UDPPacketBuffer> wrappedBuffer = (WrappedObject<UDPPacketBuffer>)iar.AsyncState;
-                //UDPPacketBuffer buffer = wrappedBuffer.Instance;
                 UDPPacketBuffer buffer = (UDPPacketBuffer)iar.AsyncState;
 
                 try
@@ -239,7 +267,8 @@ namespace OpenMetaverse
                 catch (ObjectDisposedException) { }
                 finally
                 {
-                    //wrappedBuffer.Dispose();
+                    if (UsePools)
+                        m_pool.ReturnObject(buffer);
 
                     // Synchronous mode waits until the packet callback completes
                     // before starting the receive to fetch another packet
@@ -252,7 +281,7 @@ namespace OpenMetaverse
 
         public void AsyncBeginSend(UDPPacketBuffer buf)
         {
-            if (!m_shutdownFlag)
+            if (IsRunningOutbound)
             {
                 try
                 {

OpenSim/Region/ClientStack/Linden/UDP/PacketPool.cs

@@ -31,10 +31,10 @@ using System.Reflection;
 using OpenMetaverse;
 using OpenMetaverse.Packets;
 using log4net;
+using OpenSim.Framework.Monitoring;
 
-namespace OpenSim.Framework
+namespace OpenSim.Region.ClientStack.LindenUDP
 {
-
     public sealed class PacketPool
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
@@ -44,14 +44,28 @@ namespace OpenSim.Framework
         private bool packetPoolEnabled = true;
         private bool dataBlockPoolEnabled = true;
 
+        private PercentageStat m_packetsReusedStat = new PercentageStat(
+            "PacketsReused",
+            "Packets reused",
+            "clientstack",
+            "packetpool",
+            StatVerbosity.Debug,
+            "Number of packets reused out of all requests to the packet pool");
+
+        private PercentageStat m_blocksReusedStat = new PercentageStat(
+            "BlocksReused",
+            "Blocks reused",
+            "clientstack",
+            "packetpool",
+            StatVerbosity.Debug,
+            "Number of data blocks reused out of all requests to the packet pool");
+
+        /// <summary>
+        /// Pool of packets available for reuse.
+        /// </summary>
         private readonly Dictionary<PacketType, Stack<Packet>> pool = new Dictionary<PacketType, Stack<Packet>>();
 
-        private static Dictionary<Type, Stack<Object>> DataBlocks =
-                new Dictionary<Type, Stack<Object>>();
-
-        static PacketPool()
-        {
-        }
+        private static Dictionary<Type, Stack<Object>> DataBlocks = new Dictionary<Type, Stack<Object>>();
 
         public static PacketPool Instance
         {
@@ -70,8 +84,21 @@ namespace OpenSim.Framework
             get { return dataBlockPoolEnabled; }
         }
 
+        private PacketPool()
+        {
+            StatsManager.RegisterStat(m_packetsReusedStat);
+            StatsManager.RegisterStat(m_blocksReusedStat);
+        }
+
+        /// <summary>
+        /// Gets a packet of the given type.
+        /// </summary>
+        /// <param name='type'></param>
+        /// <returns>Guaranteed to always return a packet, whether from the pool or newly constructed.</returns>
         public Packet GetPacket(PacketType type)
         {
+            m_packetsReusedStat.Consequent++;
+
             Packet packet;
 
             if (!packetPoolEnabled)
@@ -81,13 +108,19 @@ namespace OpenSim.Framework
             {
                 if (!pool.ContainsKey(type) || pool[type] == null || (pool[type]).Count == 0)
                 {
+//                    m_log.DebugFormat("[PACKETPOOL]: Building {0} packet", type);
+
                     // Creating a new packet if we cannot reuse an old package
                     packet = Packet.BuildPacket(type);
                 }
                 else
                 {
+//                    m_log.DebugFormat("[PACKETPOOL]: Pulling {0} packet", type);
+
                     // Recycle old packages
-                    packet = (pool[type]).Pop();
+                    m_packetsReusedStat.Antecedent++;
+
+                    packet = pool[type].Pop();
                 }
             }
 
@@ -136,7 +169,7 @@ namespace OpenSim.Framework
         {
             PacketType type = GetType(bytes);
 
-            Array.Clear(zeroBuffer, 0, zeroBuffer.Length);
+//            Array.Clear(zeroBuffer, 0, zeroBuffer.Length);
 
             int i = 0;
             Packet packet = GetPacket(type);
@@ -183,6 +216,7 @@ namespace OpenSim.Framework
                 switch (packet.Type)
                 {
                     // List pooling packets here
+                    case PacketType.AgentUpdate:
                     case PacketType.PacketAck:
                     case PacketType.ObjectUpdate:
                     case PacketType.ImprovedTerseObjectUpdate:
@@ -197,7 +231,9 @@ namespace OpenSim.Framework
 
                             if ((pool[type]).Count < 50)
                             {
-                                (pool[type]).Push(packet);
+//                                m_log.DebugFormat("[PACKETPOOL]: Pushing {0} packet", type);
+
+                                pool[type].Push(packet);
                             }
                         }
                         break;
@@ -209,16 +245,21 @@ namespace OpenSim.Framework
             }
         }
 
-        public static T GetDataBlock<T>() where T: new()
+        public T GetDataBlock<T>() where T: new()
         {
             lock (DataBlocks)
             {
+                m_blocksReusedStat.Consequent++;
+
                 Stack<Object> s;
 
                 if (DataBlocks.TryGetValue(typeof(T), out s))
                 {
                     if (s.Count > 0)
+                    {
+                        m_blocksReusedStat.Antecedent++;
                         return (T)s.Pop();
+                    }
                 }
                 else
                 {
@@ -229,7 +270,7 @@ namespace OpenSim.Framework
             }
         }
 
-        public static void ReturnDataBlock<T>(T block) where T: new()
+        public void ReturnDataBlock<T>(T block) where T: new()
         {
             if (block == null)
                 return;
@@ -244,4 +285,4 @@ namespace OpenSim.Framework
             }
         }
     }
-}
+}

OpenSim/Region/ClientStack/Linden/UDP/Tests/BasicCircuitTests.cs

@@ -43,7 +43,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP.Tests
     /// This will contain basic tests for the LindenUDP client stack
     /// </summary>
     [TestFixture]
-    public class BasicCircuitTests
+    public class BasicCircuitTests : OpenSimTestCase
     {
         private Scene m_scene;
         private TestLLUDPServer m_udpServer;
@@ -65,8 +65,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP.Tests
         }
 
         [SetUp]
-        public void SetUp()
+        public override void SetUp()
         {
+            base.SetUp();
             m_scene = new SceneHelpers().SetupScene();
         }
         
@@ -143,7 +144,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP.Tests
         public void TestAddClient()
         {
             TestHelpers.InMethod();
-//            XmlConfigurator.Configure();
+//            TestHelpers.EnableLogging();
 
             AddUdpServer();
 

OpenSim/Region/CoreModules/Agent/AssetTransaction/AgentAssetsTransactions.cs

@@ -57,39 +57,36 @@ namespace OpenSim.Region.CoreModules.Agent.AssetTransaction
         }
 
         /// <summary>
-        /// Return a xfer uploader if one does not already exist.
+        /// Return the xfer uploader for the given transaction.
         /// </summary>
+        /// <remarks>
+        /// If an uploader does not already exist for this transaction then it is created, otherwise the existing
+        /// uploader is returned.
+        /// </remarks>
         /// <param name="transactionID"></param>
-        /// <param name="assetID">
-        /// We must transfer the new asset ID into the uploader on creation, otherwise
-        /// we can see race conditions with other threads which can retrieve an item before it is updated with the new
-        /// asset id.
-        /// </param>
-        /// <returns>
-        /// The xfer uploader requested.  Null if one is already in existence.
-        /// FIXME: This is a bizarre thing to do, and is probably meant to signal an error condition if multiple
-        /// transfers are made.  Needs to be corrected.
-        /// </returns>
-        public AssetXferUploader RequestXferUploader(UUID transactionID, UUID assetID)
+        /// <returns>The asset xfer uploader</returns>
+        public AssetXferUploader RequestXferUploader(UUID transactionID)
         {
+            AssetXferUploader uploader;
+
             lock (XferUploaders)
             {
                 if (!XferUploaders.ContainsKey(transactionID))
                 {
-                    AssetXferUploader uploader = new AssetXferUploader(this, m_Scene, assetID, m_dumpAssetsToFile);
+                    uploader = new AssetXferUploader(this, m_Scene, transactionID, m_dumpAssetsToFile);
 
 //                    m_log.DebugFormat(
 //                        "[AGENT ASSETS TRANSACTIONS]: Adding asset xfer uploader {0} since it didn't previously exist", transactionID);
 
                     XferUploaders.Add(transactionID, uploader);
-
-                    return uploader;
+                }
+                else
+                {
+                    uploader = XferUploaders[transactionID];
                 }
             }
 
-            m_log.WarnFormat("[AGENT ASSETS TRANSACTIONS]: Ignoring request for asset xfer uploader {0} since it already exists", transactionID);
-
-            return null;
+            return uploader;
         }
 
         public void HandleXfer(ulong xferID, uint packetID, byte[] data)
@@ -151,115 +148,28 @@ namespace OpenSim.Region.CoreModules.Agent.AssetTransaction
                 string description, string name, sbyte invType,
                sbyte type, byte wearableType, uint nextOwnerMask)
         {
-            AssetXferUploader uploader = null;
+            AssetXferUploader uploader = RequestXferUploader(transactionID);
 
-            lock (XferUploaders)
-            {
-                if (XferUploaders.ContainsKey(transactionID))
-                    uploader = XferUploaders[transactionID];
-            }
-
-            if (uploader != null)
-                uploader.RequestCreateInventoryItem(
-                    remoteClient, transactionID, folderID,
-                    callbackID, description, name, invType, type,
-                    wearableType, nextOwnerMask);
-            else
-                m_log.ErrorFormat(
-                    "[AGENT ASSET TRANSACTIONS]: Could not find uploader with transaction ID {0} when handling request to create inventory item {1} from {2}",
-                    transactionID, name, remoteClient.Name);
-        }
-
-        /// <summary>
-        /// Get an uploaded asset. If the data is successfully retrieved,
-        /// the transaction will be removed.
-        /// </summary>
-        /// <param name="transactionID"></param>
-        /// <returns>The asset if the upload has completed, null if it has not.</returns>
-        private AssetBase GetTransactionAsset(UUID transactionID)
-        {
-            lock (XferUploaders)
-            {
-                if (XferUploaders.ContainsKey(transactionID))
-                {
-                    AssetXferUploader uploader = XferUploaders[transactionID];
-                    AssetBase asset = uploader.GetAssetData();
-                    RemoveXferUploader(transactionID);
-
-                    return asset;
-                }
-            }
-
-            return null;
+            uploader.RequestCreateInventoryItem(
+                remoteClient, folderID, callbackID,
+                description, name, invType, type, wearableType, nextOwnerMask);
         }
 
         public void RequestUpdateTaskInventoryItem(IClientAPI remoteClient,
                 SceneObjectPart part, UUID transactionID,
                 TaskInventoryItem item)
         {
-            AssetXferUploader uploader = null;
+            AssetXferUploader uploader = RequestXferUploader(transactionID);
 
-            lock (XferUploaders)
-            {
-                if (XferUploaders.ContainsKey(transactionID))
-                    uploader = XferUploaders[transactionID];
-            }
-
-            if (uploader != null)
-            {
-                AssetBase asset = GetTransactionAsset(transactionID);
-
-                // Only legacy viewers use this, and they prefer CAPS, which 
-                // we have, so this really never runs.
-                // Allow it, but only for "safe" types.
-                if ((InventoryType)item.InvType != InventoryType.Notecard &&
-                    (InventoryType)item.InvType != InventoryType.LSL)
-                    return;
-
-                if (asset != null)
-                {
-//                    m_log.DebugFormat(
-//                        "[AGENT ASSETS TRANSACTIONS]: Updating item {0} in {1} for transaction {2}", 
-//                        item.Name, part.Name, transactionID);
-                    
-                    asset.FullID = UUID.Random();
-                    asset.Name = item.Name;
-                    asset.Description = item.Description;
-                    asset.Type = (sbyte)item.Type;
-                    item.AssetID = asset.FullID;
-
-                    m_Scene.AssetService.Store(asset);
-                }
-            }
-            else
-            {
-                m_log.ErrorFormat(
-                    "[AGENT ASSET TRANSACTIONS]: Could not find uploader with transaction ID {0} when handling request to update task inventory item {1} in {2}",
-                    transactionID, item.Name, part.Name);
-            }
+            uploader.RequestUpdateTaskInventoryItem(remoteClient, item);
         }
 
         public void RequestUpdateInventoryItem(IClientAPI remoteClient,
                 UUID transactionID, InventoryItemBase item)
         {
-            AssetXferUploader uploader = null;
+            AssetXferUploader uploader = RequestXferUploader(transactionID);
 
-            lock (XferUploaders)
-            {
-                if (XferUploaders.ContainsKey(transactionID))
-                    uploader = XferUploaders[transactionID];
-            }
-
-            if (uploader != null)
-            {
-                uploader.RequestUpdateInventoryItem(remoteClient, transactionID, item);
-            }
-            else
-            {
-                m_log.ErrorFormat(
-                    "[AGENT ASSET TRANSACTIONS]: Could not find uploader with transaction ID {0} when handling request to update inventory item {1} for {2}",
-                    transactionID, item.Name, remoteClient.Name);
-            }
+            uploader.RequestUpdateInventoryItem(remoteClient, item);
         }
     }
-}
+}

OpenSim/Region/CoreModules/Agent/AssetTransaction/AssetTransactionModule.cs

@@ -215,7 +215,7 @@ namespace OpenSim.Region.CoreModules.Agent.AssetTransaction
             IClientAPI remoteClient, SceneObjectPart part, UUID transactionID, TaskInventoryItem item)
         {
             m_log.DebugFormat(
-                "[TRANSACTIONS MANAGER] Called HandleTaskItemUpdateFromTransaction with item {0} in {1} for {2} in {3}",
+                "[ASSET TRANSACTION MODULE] Called HandleTaskItemUpdateFromTransaction with item {0} in {1} for {2} in {3}",
                 item.Name, part.Name, remoteClient.Name, m_Scene.RegionInfo.RegionName);
 
             AgentAssetTransactions transactions =
@@ -274,13 +274,8 @@ namespace OpenSim.Region.CoreModules.Agent.AssetTransaction
             }
 
             AgentAssetTransactions transactions = GetUserTransactions(remoteClient.AgentId);
-            AssetXferUploader uploader = transactions.RequestXferUploader(transaction, assetID);
-
-            if (uploader != null)
-            {
-                uploader.Initialise(remoteClient, assetID, transaction, type,
-                        data, storeLocal, tempFile);
-            }
+            AssetXferUploader uploader = transactions.RequestXferUploader(transaction);
+            uploader.StartUpload(remoteClient, assetID, transaction, type, data, storeLocal, tempFile);
         }
 
         /// <summary>

OpenSim/Region/CoreModules/Agent/AssetTransaction/AssetXferUploader.cs

@@ -40,39 +40,75 @@ namespace OpenSim.Region.CoreModules.Agent.AssetTransaction
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
+        /// <summary>
+        /// Upload state.
+        /// </summary>
+        /// <remarks>
+        /// New -> Uploading -> Complete
+        /// </remarks>
+        private enum UploadState
+        {
+            New,
+            Uploading,
+            Complete
+        }
+
         /// <summary>
         /// Reference to the object that holds this uploader.  Used to remove ourselves from it's list if we
         /// are performing a delayed update.
         /// </summary>
         AgentAssetTransactions m_transactions;
 
+        private UploadState m_uploadState = UploadState.New;
+
         private AssetBase m_asset;
         private UUID InventFolder = UUID.Zero;
         private sbyte invType = 0;
 
-        private bool m_createItem = false;
-        private uint m_createItemCallback = 0;
-        private bool m_updateItem = false;
+        private bool m_createItem;
+        private uint m_createItemCallback;
+
+        private bool m_updateItem;
         private InventoryItemBase m_updateItemData;
 
+        private bool m_updateTaskItem;
+        private TaskInventoryItem m_updateTaskItemData;
+
         private string m_description = String.Empty;
         private bool m_dumpAssetToFile;
-        private bool m_finished = false;
         private string m_name = String.Empty;
-        private bool m_storeLocal;
+//        private bool m_storeLocal;
         private uint nextPerm = 0;
         private IClientAPI ourClient;
-        private UUID TransactionID = UUID.Zero;
+
+        private UUID m_transactionID;
+
         private sbyte type = 0;
         private byte wearableType = 0;
         public ulong XferID;
         private Scene m_Scene;
 
-        public AssetXferUploader(AgentAssetTransactions transactions, Scene scene, UUID assetID, bool dumpAssetToFile)
+        /// <summary>
+        /// AssetXferUploader constructor
+        /// </summary>
+        /// <param name='transactions'>/param>
+        /// <param name='scene'></param>
+        /// <param name='transactionID'></param>
+        /// <param name='dumpAssetToFile'>
+        /// If true then when the asset is uploaded it is dumped to a file with the format
+        /// String.Format("{6}_{7}_{0:d2}{1:d2}{2:d2}_{3:d2}{4:d2}{5:d2}.dat",
+        ///   now.Year, now.Month, now.Day, now.Hour, now.Minute,
+        ///   now.Second, m_asset.Name, m_asset.Type);
+        /// for debugging purposes.
+        /// </param>
+        public AssetXferUploader(
+            AgentAssetTransactions transactions, Scene scene, UUID transactionID, bool dumpAssetToFile)
         {
+            m_asset = new AssetBase();
+
             m_transactions = transactions;
+            m_transactionID = transactionID;
             m_Scene = scene;
-            m_asset = new AssetBase() { FullID = assetID };
             m_dumpAssetToFile = dumpAssetToFile;
         }
 
@@ -118,30 +154,50 @@ namespace OpenSim.Region.CoreModules.Agent.AssetTransaction
         }
 
         /// <summary>
-        /// Initialise asset transfer from the client
+        /// Start asset transfer from the client
         /// </summary>
-        /// <param name="xferID"></param>
-        /// <param name="packetID"></param>
-        /// <param name="data"></param>
-        public void Initialise(IClientAPI remoteClient, UUID assetID,
-                UUID transaction, sbyte type, byte[] data, bool storeLocal,
-                bool tempFile)
+        /// <param name="remoteClient"></param>
+        /// <param name="assetID"></param>
+        /// <param name="transaction"></param>
+        /// <param name="type"></param>
+        /// <param name="data">
+        /// Optional data.  If present then the asset is created immediately with this data
+        /// rather than requesting an upload from the client.  The data must be longer than 2 bytes.
+        /// </param>
+        /// <param name="storeLocal"></param>
+        /// <param name="tempFile"></param>
+        public void StartUpload(
+            IClientAPI remoteClient, UUID assetID, UUID transaction, sbyte type, byte[] data, bool storeLocal,
+            bool tempFile)
         {
 //            m_log.DebugFormat(
 //                "[ASSET XFER UPLOADER]: Initialised xfer from {0}, asset {1}, transaction {2}, type {3}, storeLocal {4}, tempFile {5}, already received data length {6}",
 //                remoteClient.Name, assetID, transaction, type, storeLocal, tempFile, data.Length);
 
+            lock (this)
+            {
+                if (m_uploadState != UploadState.New)
+                {
+                    m_log.WarnFormat(
+                        "[ASSET XFER UPLOADER]: Tried to start upload of asset {0}, transaction {1} for {2} but this is already in state {3}.  Aborting.",
+                        assetID, transaction, remoteClient.Name, m_uploadState);
+
+                    return;
+                }
+
+                m_uploadState = UploadState.Uploading;
+            }
+
             ourClient = remoteClient;
-            m_asset.Name = "blank";
-            m_asset.Description = "empty";
+
+            m_asset.FullID = assetID;
             m_asset.Type = type;
             m_asset.CreatorID = remoteClient.AgentId.ToString();
             m_asset.Data = data;
             m_asset.Local = storeLocal;
             m_asset.Temporary = tempFile;
 
-            TransactionID = transaction;
-            m_storeLocal = storeLocal;
+//            m_storeLocal = storeLocal;
 
             if (m_asset.Data.Length > 2)
             {
@@ -166,36 +222,35 @@ namespace OpenSim.Region.CoreModules.Agent.AssetTransaction
 
         protected void SendCompleteMessage()
         {
-            ourClient.SendAssetUploadCompleteMessage(m_asset.Type, true,
-                    m_asset.FullID);
-
             // We must lock in order to avoid a race with a separate thread dealing with an inventory item or create
             // message from other client UDP.
             lock (this)
             {
-                m_finished = true;
+                m_uploadState = UploadState.Complete;
+
+                ourClient.SendAssetUploadCompleteMessage(m_asset.Type, true, m_asset.FullID);
+
                 if (m_createItem)
                 {
-                    DoCreateItem(m_createItemCallback);
+                    CompleteCreateItem(m_createItemCallback);
                 }
                 else if (m_updateItem)
                 {
-                    StoreAssetForItemUpdate(m_updateItemData);
-    
-                    // Remove ourselves from the list of transactions if completion was delayed until the transaction
-                    // was complete.
-                    // TODO: Should probably do the same for create item.
-                    m_transactions.RemoveXferUploader(TransactionID);
+                    CompleteItemUpdate(m_updateItemData);
                 }
-                else if (m_storeLocal)
+                else if (m_updateTaskItem)
                 {
-                    m_Scene.AssetService.Store(m_asset);
+                    CompleteTaskItemUpdate(m_updateTaskItemData);
                 }
+//                else if (m_storeLocal)
+//                {
+//                    m_Scene.AssetService.Store(m_asset);
+//                }
             }
 
             m_log.DebugFormat(
                 "[ASSET XFER UPLOADER]: Uploaded asset {0} for transaction {1}",
-                m_asset.FullID, TransactionID);
+                m_asset.FullID, m_transactionID);
 
             if (m_dumpAssetToFile)
             {
@@ -223,40 +278,37 @@ namespace OpenSim.Region.CoreModules.Agent.AssetTransaction
         }
 
         public void RequestCreateInventoryItem(IClientAPI remoteClient,
-                UUID transactionID, UUID folderID, uint callbackID,
+                UUID folderID, uint callbackID,
                 string description, string name, sbyte invType,
                 sbyte type, byte wearableType, uint nextOwnerMask)
         {
-            if (TransactionID == transactionID)
-            {
-                InventFolder = folderID;
-                m_name = name;
-                m_description = description;
-                this.type = type;
-                this.invType = invType;
-                this.wearableType = wearableType;
-                nextPerm = nextOwnerMask;
-                m_asset.Name = name;
-                m_asset.Description = description;
-                m_asset.Type = type;
+            InventFolder = folderID;
+            m_name = name;
+            m_description = description;
+            this.type = type;
+            this.invType = invType;
+            this.wearableType = wearableType;
+            nextPerm = nextOwnerMask;
+            m_asset.Name = name;
+            m_asset.Description = description;
+            m_asset.Type = type;
 
-                // We must lock to avoid a race with a separate thread uploading the asset.
-                lock (this)
+            // We must lock to avoid a race with a separate thread uploading the asset.
+            lock (this)
+            {
+                if (m_uploadState == UploadState.Complete)
                 {
-                    if (m_finished)
-                    {
-                        DoCreateItem(callbackID);
-                    }
-                    else
-                    {
-                        m_createItem = true; //set flag so the inventory item is created when upload is complete
-                        m_createItemCallback = callbackID;
-                    }
+                    CompleteCreateItem(callbackID);
+                }
+                else
+                {
+                    m_createItem = true; //set flag so the inventory item is created when upload is complete
+                    m_createItemCallback = callbackID;
                 }
             }
         }
 
-        public void RequestUpdateInventoryItem(IClientAPI remoteClient, UUID transactionID, InventoryItemBase item)
+        public void RequestUpdateInventoryItem(IClientAPI remoteClient, InventoryItemBase item)
         {
             // We must lock to avoid a race with a separate thread uploading the asset.
             lock (this)
@@ -271,9 +323,9 @@ namespace OpenSim.Region.CoreModules.Agent.AssetTransaction
                 item.AssetID = m_asset.FullID;
                 m_Scene.InventoryService.UpdateItem(item);
 
-                if (m_finished)
+                if (m_uploadState == UploadState.Complete)
                 {
-                    StoreAssetForItemUpdate(item);
+                    CompleteItemUpdate(item);
                 }
                 else
                 {
@@ -287,20 +339,59 @@ namespace OpenSim.Region.CoreModules.Agent.AssetTransaction
             }
         }
 
+        public void RequestUpdateTaskInventoryItem(IClientAPI remoteClient, TaskInventoryItem taskItem)
+        {
+            // We must lock to avoid a race with a separate thread uploading the asset.
+            lock (this)
+            {
+                m_asset.Name = taskItem.Name;
+                m_asset.Description = taskItem.Description;
+                m_asset.Type = (sbyte)taskItem.Type;
+                taskItem.AssetID = m_asset.FullID;
+
+                if (m_uploadState == UploadState.Complete)
+                {
+                    CompleteTaskItemUpdate(taskItem);
+                }
+                else
+                {
+                    m_updateTaskItem = true;
+                    m_updateTaskItemData = taskItem;
+                }
+            }
+        }
+
         /// <summary>
-        /// Store the asset for the given item.
+        /// Store the asset for the given item when it has been uploaded.
         /// </summary>
         /// <param name="item"></param>
-        private void StoreAssetForItemUpdate(InventoryItemBase item)
+        private void CompleteItemUpdate(InventoryItemBase item)
         {
 //            m_log.DebugFormat(
 //                "[ASSET XFER UPLOADER]: Storing asset {0} for earlier item update for {1} for {2}",
 //                m_asset.FullID, item.Name, ourClient.Name);
 
             m_Scene.AssetService.Store(m_asset);
+
+            m_transactions.RemoveXferUploader(m_transactionID);
         }
 
-        private void DoCreateItem(uint callbackID)
+        /// <summary>
+        /// Store the asset for the given task item when it has been uploaded.
+        /// </summary>
+        /// <param name="taskItem"></param>
+        private void CompleteTaskItemUpdate(TaskInventoryItem taskItem)
+        {
+//            m_log.DebugFormat(
+//                "[ASSET XFER UPLOADER]: Storing asset {0} for earlier task item update for {1} for {2}",
+//                m_asset.FullID, taskItem.Name, ourClient.Name);
+
+            m_Scene.AssetService.Store(m_asset);
+
+            m_transactions.RemoveXferUploader(m_transactionID);
+        }
+
+        private void CompleteCreateItem(uint callbackID)
         {
             m_Scene.AssetService.Store(m_asset);
 
@@ -326,20 +417,8 @@ namespace OpenSim.Region.CoreModules.Agent.AssetTransaction
                 ourClient.SendInventoryItemCreateUpdate(item, callbackID);
             else
                 ourClient.SendAlertMessage("Unable to create inventory item");
-        }
 
-        /// <summary>
-        /// Get the asset data uploaded in this transfer.
-        /// </summary>
-        /// <returns>null if the asset has not finished uploading</returns>
-        public AssetBase GetAssetData()
-        {
-            if (m_finished)
-            {
-                return m_asset;
-            }
-
-            return null;
+            m_transactions.RemoveXferUploader(m_transactionID);
         }
     }
-}
+}

OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs

@@ -107,8 +107,6 @@ namespace Flotsam.RegionModules.AssetCache
         private IAssetService m_AssetService;
         private List<Scene> m_Scenes = new List<Scene>();
 
-        private bool m_DeepScanBeforePurge;
-
         public FlotsamAssetCache()
         {
             m_InvalidChars.AddRange(Path.GetInvalidPathChars());
@@ -170,8 +168,6 @@ namespace Flotsam.RegionModules.AssetCache
                         m_CacheDirectoryTierLen = assetConfig.GetInt("CacheDirectoryTierLength", m_CacheDirectoryTierLen);
 
                         m_CacheWarnAt = assetConfig.GetInt("CacheWarnAt", m_CacheWarnAt);
-
-                        m_DeepScanBeforePurge = assetConfig.GetBoolean("DeepScanBeforePurge", m_DeepScanBeforePurge);
                     }
 
                     m_log.InfoFormat("[FLOTSAM ASSET CACHE]: Cache Directory {0}", m_CacheDirectory);
@@ -506,13 +502,10 @@ namespace Flotsam.RegionModules.AssetCache
             // Purge all files last accessed prior to this point
             DateTime purgeLine = DateTime.Now - m_FileExpiration;
 
-            // An optional deep scan at this point will ensure assets present in scenes,
-            // or referenced by objects in the scene, but not recently accessed 
-            // are not purged.
-            if (m_DeepScanBeforePurge)
-            {
-                CacheScenes();
-            }
+            // An asset cache may contain local non-temporary assets that are not in the asset service.  Therefore,
+            // before cleaning up expired files we must scan the objects in the scene to make sure that we retain
+            // such local assets if they have not been recently accessed.
+            TouchAllSceneAssets(false);
 
             foreach (string dir in Directory.GetDirectories(m_CacheDirectory))
             {
@@ -705,11 +698,14 @@ namespace Flotsam.RegionModules.AssetCache
 
         /// <summary>
         /// Iterates through all Scenes, doing a deep scan through assets 
-        /// to cache all assets present in the scene or referenced by assets 
-        /// in the scene
+        /// to update the access time of all assets present in the scene or referenced by assets
+        /// in the scene.
         /// </summary>
-        /// <returns></returns>
-        private int CacheScenes()
+        /// <param name="storeUncached">
+        /// If true, then assets scanned which are not found in cache are added to the cache.
+        /// </param>
+        /// <returns>Number of distinct asset references found in the scene.</returns>
+        private int TouchAllSceneAssets(bool storeUncached)
         {
             UuidGatherer gatherer = new UuidGatherer(m_AssetService);
 
@@ -732,7 +728,7 @@ namespace Flotsam.RegionModules.AssetCache
                 {
                     File.SetLastAccessTime(filename, DateTime.Now);
                 }
-                else
+                else if (storeUncached)
                 {
                     m_AssetService.Get(assetID.ToString());
                 }
@@ -860,13 +856,14 @@ namespace Flotsam.RegionModules.AssetCache
 
                         break;
 
-
                     case "assets":
-                        m_log.Info("[FLOTSAM ASSET CACHE]: Caching all assets, in all scenes.");
+                        m_log.Info("[FLOTSAM ASSET CACHE]: Ensuring assets are cached for all scenes.");
 
                         Util.FireAndForget(delegate {
-                            int assetsCached = CacheScenes();
-                            m_log.InfoFormat("[FLOTSAM ASSET CACHE]: Completed Scene Caching, {0} assets found.", assetsCached);
+                            int assetReferenceTotal = TouchAllSceneAssets(true);
+                            m_log.InfoFormat(
+                                "[FLOTSAM ASSET CACHE]: Completed check with {0} assets.",
+                                assetReferenceTotal);
                         });
 
                         break;

OpenSim/Region/CoreModules/Avatar/Attachments/Tests/AttachmentsModuleTests.cs

@@ -461,7 +461,7 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments.Tests
 
             SceneObjectGroup rezzedAtt = presence.GetAttachments()[0];
 
-            scene.IncomingCloseAgent(presence.UUID);
+            scene.IncomingCloseAgent(presence.UUID, false);
 
             // Check that we can't retrieve this attachment from the scene.
             Assert.That(scene.GetSceneObjectGroup(rezzedAtt.UUID), Is.Null);
@@ -641,4 +641,4 @@ namespace OpenSim.Region.CoreModules.Avatar.Attachments.Tests
 //            Assert.That(presence.HasAttachments(), Is.True, "Presence has not received new objects");
 //        }
     }
-}
+}

OpenSim/Region/CoreModules/Avatar/Friends/FriendsModule.cs

@@ -482,9 +482,9 @@ namespace OpenSim.Region.CoreModules.Avatar.Friends
                 Util.FireAndForget(
                     delegate
                     {
-                        m_log.DebugFormat(
-                            "[FRIENDS MODULE]: Notifying {0} friends of {1} of online status {2}",
-                            friendList.Count, agentID, online);
+//                        m_log.DebugFormat(
+//                            "[FRIENDS MODULE]: Notifying {0} friends of {1} of online status {2}",
+//                            friendList.Count, agentID, online);
 
                         // Notify about this user status
                         StatusNotify(friendList, agentID, online);

OpenSim/Region/CoreModules/Avatar/Inventory/Archiver/Tests/InventoryArchiverTests.cs

@@ -350,38 +350,38 @@ namespace OpenSim.Region.CoreModules.Avatar.Inventory.Archiver.Tests
             Assert.That(sog1.RootPart.CreatorID, Is.EqualTo(m_uaLL1.PrincipalID));            
         }
         
-        /// <summary>
-        /// Test loading a V0.1 OpenSim Inventory Archive (subject to change since there is no fixed format yet) where
-        /// an account exists with the same name as the creator, though not the same id.
-        /// </summary>
-        [Test]
-        public void TestLoadIarV0_1SameNameCreator()
-        {
-            TestHelpers.InMethod();
-//            log4net.Config.XmlConfigurator.Configure();
-
-            UserAccountHelpers.CreateUserWithInventory(m_scene, m_uaMT, "meowfood");
-            UserAccountHelpers.CreateUserWithInventory(m_scene, m_uaLL2, "hampshire");
-            
-            m_archiverModule.DearchiveInventory(m_uaMT.FirstName, m_uaMT.LastName, "/", "meowfood", m_iarStream);            
-            InventoryItemBase foundItem1
-                = InventoryArchiveUtils.FindItemByPath(m_scene.InventoryService, m_uaMT.PrincipalID, m_item1Name);
-
-            Assert.That(
-                foundItem1.CreatorId, Is.EqualTo(m_uaLL2.PrincipalID.ToString()), 
-                "Loaded item non-uuid creator doesn't match original");            
-            Assert.That(
-                foundItem1.CreatorIdAsUuid, Is.EqualTo(m_uaLL2.PrincipalID), 
-                "Loaded item uuid creator doesn't match original");
-            Assert.That(foundItem1.Owner, Is.EqualTo(m_uaMT.PrincipalID),
-                "Loaded item owner doesn't match inventory reciever");
-            
-            AssetBase asset1 = m_scene.AssetService.Get(foundItem1.AssetID.ToString());            
-            string xmlData = Utils.BytesToString(asset1.Data);
-            SceneObjectGroup sog1 = SceneObjectSerializer.FromOriginalXmlFormat(xmlData);
-            
-            Assert.That(sog1.RootPart.CreatorID, Is.EqualTo(m_uaLL2.PrincipalID));
-        }
+//        /// <summary>
+//        /// Test loading a V0.1 OpenSim Inventory Archive (subject to change since there is no fixed format yet) where
+//        /// an account exists with the same name as the creator, though not the same id.
+//        /// </summary>
+//        [Test]
+//        public void TestLoadIarV0_1SameNameCreator()
+//        {
+//            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+//
+//            UserAccountHelpers.CreateUserWithInventory(m_scene, m_uaMT, "meowfood");
+//            UserAccountHelpers.CreateUserWithInventory(m_scene, m_uaLL2, "hampshire");
+//            
+//            m_archiverModule.DearchiveInventory(m_uaMT.FirstName, m_uaMT.LastName, "/", "meowfood", m_iarStream);            
+//            InventoryItemBase foundItem1
+//                = InventoryArchiveUtils.FindItemByPath(m_scene.InventoryService, m_uaMT.PrincipalID, m_item1Name);
+//
+//            Assert.That(
+//                foundItem1.CreatorId, Is.EqualTo(m_uaLL2.PrincipalID.ToString()), 
+//                "Loaded item non-uuid creator doesn't match original");            
+//            Assert.That(
+//                foundItem1.CreatorIdAsUuid, Is.EqualTo(m_uaLL2.PrincipalID), 
+//                "Loaded item uuid creator doesn't match original");
+//            Assert.That(foundItem1.Owner, Is.EqualTo(m_uaMT.PrincipalID),
+//                "Loaded item owner doesn't match inventory reciever");
+//            
+//            AssetBase asset1 = m_scene.AssetService.Get(foundItem1.AssetID.ToString());            
+//            string xmlData = Utils.BytesToString(asset1.Data);
+//            SceneObjectGroup sog1 = SceneObjectSerializer.FromOriginalXmlFormat(xmlData);
+//            
+//            Assert.That(sog1.RootPart.CreatorID, Is.EqualTo(m_uaLL2.PrincipalID));
+//        }
 
         /// <summary>
         /// Test loading a V0.1 OpenSim Inventory Archive (subject to change since there is no fixed format yet) where

OpenSim/Region/CoreModules/Framework/EntityTransfer/EntityTransferModule.cs

@@ -471,6 +471,8 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
             if (sp.ParentID != (uint)0)
                 sp.StandUp();
 
+            // At least on LL 3.3.4, this is not strictly necessary - a teleport will succeed without sending this to
+            // the viewer.  However, it might mean that the viewer does not see the black teleport screen (untested).
             sp.ControllingClient.SendTeleportStart(teleportFlags);
 
             // the avatar.Close below will clear the child region list. We need this below for (possibly)
@@ -546,8 +548,11 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                     // So let's wait
                     Thread.Sleep(200);
 
+                    // At least on LL 3.3.4 for teleports between different regions on the same simulator this appears
+                    // unnecessary - teleport will succeed and SEED caps will be requested without it (though possibly
+                    // only on TeleportFinish).  This is untested for region teleport between different simulators
+                    // though this probably also works.
                     m_eqModule.EstablishAgentCommunication(sp.UUID, endPoint, capsPath);
-
                 }
                 else
                 {
@@ -644,7 +649,7 @@ namespace OpenSim.Region.CoreModules.Framework.EntityTransfer
                 // an agent cannot teleport back to this region if it has teleported away.
                 Thread.Sleep(2000);
 
-                sp.Scene.IncomingCloseAgent(sp.UUID);
+                sp.Scene.IncomingCloseAgent(sp.UUID, false);
             }
             else
             {

OpenSim/Region/CoreModules/Framework/InventoryAccess/HGUuidGatherer.cs

@@ -40,7 +40,7 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
         protected string m_assetServerURL;
         protected HGAssetMapper m_assetMapper;
 
-        public HGUuidGatherer(HGAssetMapper assMap, IAssetService assetCache, string assetServerURL) : base(assetCache)
+        public HGUuidGatherer(HGAssetMapper assMap, IAssetService assetService, string assetServerURL) : base(assetService)
         {
             m_assetMapper = assMap;
             m_assetServerURL = assetServerURL;
@@ -49,7 +49,7 @@ namespace OpenSim.Region.CoreModules.Framework.InventoryAccess
         protected override AssetBase GetAsset(UUID uuid)
         {
             if (string.Empty == m_assetServerURL)
-                return m_assetCache.Get(uuid.ToString());
+                return base.GetAsset(uuid);
             else
                 return m_assetMapper.FetchAsset(m_assetServerURL, uuid);
         }

OpenSim/Region/CoreModules/Framework/Monitoring/MonitorModule.cs

@@ -95,14 +95,14 @@ namespace OpenSim.Region.CoreModules.Framework.Monitoring
         {
             foreach (IMonitor monitor in m_staticMonitors)
             {
-                m_log.InfoFormat(
+                MainConsole.Instance.OutputFormat(
                     "[MONITOR MODULE]: {0} reports {1} = {2}",
                     m_scene.RegionInfo.RegionName, monitor.GetFriendlyName(), monitor.GetFriendlyValue());
             }
 
             foreach (KeyValuePair<string, float> tuple in m_scene.StatsReporter.GetExtraSimStats())
             {
-                m_log.InfoFormat(
+                MainConsole.Instance.OutputFormat(
                     "[MONITOR MODULE]: {0} reports {1} = {2}",
                     m_scene.RegionInfo.RegionName, tuple.Key, tuple.Value);
             }

OpenSim/Region/CoreModules/Framework/UserManagement/UserManagementModule.cs

@@ -31,6 +31,7 @@ using System.Reflection;
 
 using OpenSim.Framework;
 using OpenSim.Framework.Console;
+using OpenSim.Region.ClientStack.LindenUDP;
 using OpenSim.Region.Framework;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;

OpenSim/Region/CoreModules/Scripting/DynamicTexture/DynamicTexture.cs

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Drawing;
+using OpenSim.Region.Framework.Interfaces;
+
+namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
+{
+    public class DynamicTexture : IDynamicTexture
+    {
+        public string InputCommands { get; private set; }
+        public Uri InputUri { get; private set; }
+        public string InputParams { get; private set; }
+        public byte[] Data { get; private set; }
+        public Size Size { get; private set; }
+        public bool IsReuseable { get; private set; }
+
+        public DynamicTexture(string inputCommands, string inputParams, byte[] data, Size size, bool isReuseable)
+        {
+            InputCommands = inputCommands;
+            InputParams = inputParams;
+            Data = data;
+            Size = size;
+            IsReuseable = isReuseable;
+        }
+
+        public DynamicTexture(Uri inputUri, string inputParams, byte[] data, Size size, bool isReuseable)
+        {
+            InputUri = inputUri;
+            InputParams = inputParams;
+            Data = data;
+            Size = size;
+            IsReuseable = isReuseable;
+        }
+    }
+}

OpenSim/Region/CoreModules/Scripting/DynamicTexture/DynamicTextureModule.cs

@@ -42,13 +42,29 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
 {
     public class DynamicTextureModule : IRegionModule, IDynamicTextureManager
     {
-        //private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         private const int ALL_SIDES = -1;
 
         public const int DISP_EXPIRE = 1;
         public const int DISP_TEMP   = 2;
 
+        /// <summary>
+        /// If true then where possible dynamic textures are reused.
+        /// </summary>
+        public bool ReuseTextures { get; set; }
+
+        /// <summary>
+        /// If false, then textures which have a low data size are not reused when ReuseTextures = true.
+        /// </summary>
+        /// <remarks>
+        /// LL viewers 3.3.4 and before appear to not fully render textures pulled from the viewer cache if those
+        /// textures have a relatively high pixel surface but a small data size.  Typically, this appears to happen
+        /// if the data size is smaller than the viewer's discard level 2 size estimate.  So if this is setting is
+        /// false, textures smaller than the calculation in IsSizeReuseable are always regenerated rather than reused
+        /// to work around this problem.</remarks>
+        public bool ReuseLowDataTextures { get; set; }
+
         private Dictionary<UUID, Scene> RegisteredScenes = new Dictionary<UUID, Scene>();
 
         private Dictionary<string, IDynamicTextureRender> RenderPlugins =
@@ -56,6 +72,15 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
 
         private Dictionary<UUID, DynamicTextureUpdater> Updaters = new Dictionary<UUID, DynamicTextureUpdater>();
 
+        /// <summary>
+        /// Record dynamic textures that we can reuse for a given data and parameter combination rather than
+        /// regenerate.
+        /// </summary>
+        /// <remarks>
+        /// Key is string.Format("{0}{1}", data
+        /// </remarks>
+        private Cache m_reuseableDynamicTextures;
+
         #region IDynamicTextureManager Members
 
         public void RegisterRender(string handleType, IDynamicTextureRender render)
@@ -69,17 +94,17 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
         /// <summary>
         /// Called by code which actually renders the dynamic texture to supply texture data.
         /// </summary>
-        /// <param name="id"></param>
-        /// <param name="data"></param>
-        public void ReturnData(UUID id, byte[] data)
+        /// <param name="updaterId"></param>
+        /// <param name="texture"></param>
+        public void ReturnData(UUID updaterId, IDynamicTexture texture)
         {
             DynamicTextureUpdater updater = null;
 
             lock (Updaters)
             {
-                if (Updaters.ContainsKey(id))
+                if (Updaters.ContainsKey(updaterId))
                 {
-                    updater = Updaters[id];
+                    updater = Updaters[updaterId];
                 }
             }
 
@@ -88,7 +113,16 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
                 if (RegisteredScenes.ContainsKey(updater.SimUUID))
                 {
                     Scene scene = RegisteredScenes[updater.SimUUID];
-                    updater.DataReceived(data, scene);
+                    UUID newTextureID = updater.DataReceived(texture.Data, scene);
+
+                    if (ReuseTextures
+                        && !updater.BlendWithOldTexture
+                        && texture.IsReuseable
+                        && (ReuseLowDataTextures || IsDataSizeReuseable(texture)))
+                    {
+                        m_reuseableDynamicTextures.Store(
+                            GenerateReusableTextureKey(texture.InputCommands, texture.InputParams), newTextureID);
+                    }
                 }
             }
 
@@ -104,6 +138,27 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
             }
         }
 
+        /// <summary>
+        /// Determines whether the texture is reuseable based on its data size.
+        /// </summary>
+        /// <remarks>
+        /// This is a workaround for a viewer bug where very small data size textures relative to their pixel size
+        /// are not redisplayed properly when pulled from cache.  The calculation here is based on the typical discard
+        /// level of 2, a 'rate' of 0.125 and 4 components (which makes for a factor of 0.5).
+        /// </remarks>
+        /// <returns></returns>
+        private bool IsDataSizeReuseable(IDynamicTexture texture)
+        {
+//            Console.WriteLine("{0} {1}", texture.Size.Width, texture.Size.Height);
+            int discardLevel2DataThreshold = (int)Math.Ceiling((texture.Size.Width >> 2) * (texture.Size.Height >> 2) * 0.5);
+
+//            m_log.DebugFormat(
+//                "[DYNAMIC TEXTURE MODULE]: Discard level 2 threshold {0}, texture data length {1}",
+//                discardLevel2DataThreshold, texture.Data.Length);
+
+            return discardLevel2DataThreshold < texture.Data.Length;
+        }
+
         public UUID AddDynamicTextureURL(UUID simID, UUID primID, string contentType, string url,
                                          string extraParams, int updateTimer)
         {
@@ -167,22 +222,61 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
         public UUID AddDynamicTextureData(UUID simID, UUID primID, string contentType, string data,
                                           string extraParams, int updateTimer, bool SetBlending, int disp, byte AlphaValue, int face)
         {
-            if (RenderPlugins.ContainsKey(contentType))
-            {
-                DynamicTextureUpdater updater = new DynamicTextureUpdater();
-                updater.SimUUID = simID;
-                updater.PrimID = primID;
-                updater.ContentType = contentType;
-                updater.BodyData = data;
-                updater.UpdateTimer = updateTimer;
-                updater.UpdaterID = UUID.Random();
-                updater.Params = extraParams;
-                updater.BlendWithOldTexture = SetBlending;
-                updater.FrontAlpha = AlphaValue;
-                updater.Face = face;
-                updater.Url = "Local image";
-                updater.Disp = disp;
+            if (!RenderPlugins.ContainsKey(contentType))
+                return UUID.Zero;
 
+            Scene scene;
+            RegisteredScenes.TryGetValue(simID, out scene);
+
+            if (scene == null)
+                return UUID.Zero;
+
+            SceneObjectPart part = scene.GetSceneObjectPart(primID);
+
+            if (part == null)
+                return UUID.Zero;
+
+            // If we want to reuse dynamic textures then we have to ignore any request from the caller to expire
+            // them.
+            if (ReuseTextures)
+                disp = disp & ~DISP_EXPIRE;
+
+            DynamicTextureUpdater updater = new DynamicTextureUpdater();
+            updater.SimUUID = simID;
+            updater.PrimID = primID;
+            updater.ContentType = contentType;
+            updater.BodyData = data;
+            updater.UpdateTimer = updateTimer;
+            updater.UpdaterID = UUID.Random();
+            updater.Params = extraParams;
+            updater.BlendWithOldTexture = SetBlending;
+            updater.FrontAlpha = AlphaValue;
+            updater.Face = face;
+            updater.Url = "Local image";
+            updater.Disp = disp;
+
+            object objReusableTextureUUID = null;
+
+            if (ReuseTextures && !updater.BlendWithOldTexture)
+            {
+                string reuseableTextureKey = GenerateReusableTextureKey(data, extraParams);
+                objReusableTextureUUID = m_reuseableDynamicTextures.Get(reuseableTextureKey);
+
+                if (objReusableTextureUUID != null)
+                {
+                    // If something else has removed this temporary asset from the cache, detect and invalidate
+                    // our cached uuid.
+                    if (scene.AssetService.GetMetadata(objReusableTextureUUID.ToString()) == null)
+                    {
+                        m_reuseableDynamicTextures.Invalidate(reuseableTextureKey);
+                        objReusableTextureUUID = null;
+                    }
+                }
+            }
+
+            // We cannot reuse a dynamic texture if the data is going to be blended with something already there.
+            if (objReusableTextureUUID == null)
+            {
                 lock (Updaters)
                 {
                     if (!Updaters.ContainsKey(updater.UpdaterID))
@@ -191,11 +285,29 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
                     }
                 }
 
+//                m_log.DebugFormat(
+//                    "[DYNAMIC TEXTURE MODULE]: Requesting generation of new dynamic texture for {0} in {1}",
+//                    part.Name, part.ParentGroup.Scene.Name);
+
                 RenderPlugins[contentType].AsyncConvertData(updater.UpdaterID, data, extraParams);
-                return updater.UpdaterID;
             }
-            
-            return UUID.Zero;
+            else
+            {
+//                m_log.DebugFormat(
+//                    "[DYNAMIC TEXTURE MODULE]: Reusing cached texture {0} for {1} in {2}",
+//                    objReusableTextureUUID, part.Name, part.ParentGroup.Scene.Name);
+
+                // No need to add to updaters as the texture is always the same.  Not that this functionality
+                // apppears to be implemented anyway.
+                updater.UpdatePart(part, (UUID)objReusableTextureUUID);
+            }
+
+            return updater.UpdaterID;
+        }
+
+        private string GenerateReusableTextureKey(string data, string extraParams)
+        {
+            return string.Format("{0}{1}", data, extraParams);
         }
 
         public void GetDrawStringSize(string contentType, string text, string fontName, int fontSize,
@@ -215,6 +327,13 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
 
         public void Initialise(Scene scene, IConfigSource config)
         {
+            IConfig texturesConfig = config.Configs["Textures"];
+            if (texturesConfig != null)
+            {
+                ReuseTextures = texturesConfig.GetBoolean("ReuseDynamicTextures", false);
+                ReuseLowDataTextures = texturesConfig.GetBoolean("ReuseDynamicLowDataTextures", false);
+            }
+
             if (!RegisteredScenes.ContainsKey(scene.RegionInfo.RegionID))
             {
                 RegisteredScenes.Add(scene.RegionInfo.RegionID, scene);
@@ -224,6 +343,11 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
 
         public void PostInitialise()
         {
+            if (ReuseTextures)
+            {
+                m_reuseableDynamicTextures = new Cache(CacheMedium.Memory, CacheStrategy.Conservative);
+                m_reuseableDynamicTextures.DefaultTTL = new TimeSpan(24, 0, 0);
+            }
         }
 
         public void Close()
@@ -268,10 +392,61 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
                 BodyData = null;
             }
 
+            /// <summary>
+            /// Update the given part with the new texture.
+            /// </summary>
+            /// <returns>
+            /// The old texture UUID.
+            /// </returns>
+            public UUID UpdatePart(SceneObjectPart part, UUID textureID)
+            {
+                UUID oldID;
+
+                lock (part)
+                {
+                    // mostly keep the values from before
+                    Primitive.TextureEntry tmptex = part.Shape.Textures;
+
+                    // FIXME: Need to return the appropriate ID if only a single face is replaced.
+                    oldID = tmptex.DefaultTexture.TextureID;
+
+                    if (Face == ALL_SIDES)
+                    {
+                        oldID = tmptex.DefaultTexture.TextureID;
+                        tmptex.DefaultTexture.TextureID = textureID;
+                    }
+                    else
+                    {
+                        try
+                        {
+                            Primitive.TextureEntryFace texface = tmptex.CreateFace((uint)Face);
+                            texface.TextureID = textureID;
+                            tmptex.FaceTextures[Face] = texface;
+                        }
+                        catch (Exception)
+                        {
+                            tmptex.DefaultTexture.TextureID = textureID;
+                        }
+                    }
+
+                    // I'm pretty sure we always want to force this to true
+                    // I'm pretty sure noone whats to set fullbright true if it wasn't true before.
+                    // tmptex.DefaultTexture.Fullbright = true;
+
+                    part.UpdateTextureEntry(tmptex.GetBytes());
+                }
+
+                return oldID;
+            }
+
             /// <summary>
             /// Called once new texture data has been received for this updater.
             /// </summary>
-            public void DataReceived(byte[] data, Scene scene)
+            /// <param name="data"></param>
+            /// <param name="scene"></param>
+            /// <param name="isReuseable">True if the data given is reuseable.</param>
+            /// <returns>The asset UUID given to the incoming data.</returns>
+            public UUID DataReceived(byte[] data, Scene scene)
             {
                 SceneObjectPart part = scene.GetSceneObjectPart(PrimID);
 
@@ -281,7 +456,8 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
                         String.Format("DynamicTextureModule: Error preparing image using URL {0}", Url);
                     scene.SimChat(Utils.StringToBytes(msg), ChatTypeEnum.Say,
                                   0, part.ParentGroup.RootPart.AbsolutePosition, part.Name, part.UUID, false);
-                    return;
+                    
+                    return UUID.Zero;
                 }
 
                 byte[] assetData = null;
@@ -319,56 +495,29 @@ namespace OpenSim.Region.CoreModules.Scripting.DynamicTexture
                 IJ2KDecoder cacheLayerDecode = scene.RequestModuleInterface<IJ2KDecoder>();
                 if (cacheLayerDecode != null)
                 {
-                    cacheLayerDecode.Decode(asset.FullID, asset.Data);
-                    cacheLayerDecode = null;
+                    if (!cacheLayerDecode.Decode(asset.FullID, asset.Data))
+                        m_log.WarnFormat(
+                            "[DYNAMIC TEXTURE MODULE]: Decoding of dynamically generated asset {0} for {1} in {2} failed",
+                            asset.ID, part.Name, part.ParentGroup.Scene.Name);
                 }
 
-                UUID oldID = UUID.Zero;
-
-                lock (part)
-                {
-                    // mostly keep the values from before
-                    Primitive.TextureEntry tmptex = part.Shape.Textures;
-
-                    // remove the old asset from the cache
-                    oldID = tmptex.DefaultTexture.TextureID;
-                    
-                    if (Face == ALL_SIDES)
-                    {
-                        tmptex.DefaultTexture.TextureID = asset.FullID;
-                    }
-                    else
-                    {
-                        try
-                        {
-                            Primitive.TextureEntryFace texface = tmptex.CreateFace((uint)Face);
-                            texface.TextureID = asset.FullID;
-                            tmptex.FaceTextures[Face] = texface;
-                        }
-                        catch (Exception)
-                        {
-                            tmptex.DefaultTexture.TextureID = asset.FullID;
-                        }
-                    }
-
-                    // I'm pretty sure we always want to force this to true
-                    // I'm pretty sure noone whats to set fullbright true if it wasn't true before.
-                    // tmptex.DefaultTexture.Fullbright = true;
-
-                    part.UpdateTextureEntry(tmptex.GetBytes());
-                }
+                UUID oldID = UpdatePart(part, asset.FullID);
 
                 if (oldID != UUID.Zero && ((Disp & DISP_EXPIRE) != 0))
                 {
-                    if (oldAsset == null) oldAsset = scene.AssetService.Get(oldID.ToString());
+                    if (oldAsset == null)
+                        oldAsset = scene.AssetService.Get(oldID.ToString());
+
                     if (oldAsset != null)
                     {
-                        if (oldAsset.Temporary == true)
+                        if (oldAsset.Temporary)
                         {
                             scene.AssetService.Delete(oldID.ToString());
                         }
                     }
                 }
+
+                return asset.FullID;
             }
 
             private byte[] BlendTextures(byte[] frontImage, byte[] backImage, bool setNewAlpha, byte newAlpha)

OpenSim/Region/CoreModules/Scripting/LoadImageURL/LoadImageURLModule.cs

@@ -32,6 +32,7 @@ using System.Net;
 using Nini.Config;
 using OpenMetaverse;
 using OpenMetaverse.Imaging;
+using OpenSim.Region.CoreModules.Scripting.DynamicTexture;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 using log4net;
@@ -67,12 +68,18 @@ namespace OpenSim.Region.CoreModules.Scripting.LoadImageURL
             return true;
         }
 
-        public byte[] ConvertUrl(string url, string extraParams)
+//        public bool AlwaysIdenticalConversion(string bodyData, string extraParams)
+//        {
+//            // We don't support conversion of body data.
+//            return false;
+//        }
+
+        public IDynamicTexture ConvertUrl(string url, string extraParams)
         {
             return null;
         }
 
-        public byte[] ConvertStream(Stream data, string extraParams)
+        public IDynamicTexture ConvertData(string bodyData, string extraParams)
         {
             return null;
         }
@@ -165,11 +172,11 @@ namespace OpenSim.Region.CoreModules.Scripting.LoadImageURL
 
         private void HttpRequestReturn(IAsyncResult result)
         {
-
             RequestState state = (RequestState) result.AsyncState;
             WebRequest request = (WebRequest) state.Request;
             Stream stream = null;
             byte[] imageJ2000 = new byte[0];
+            Size newSize = new Size(0, 0);
 
             try
             {
@@ -182,37 +189,43 @@ namespace OpenSim.Region.CoreModules.Scripting.LoadImageURL
                         try
                         {
                             Bitmap image = new Bitmap(stream);
-                            Size newsize;
 
                             // TODO: make this a bit less hard coded
                             if ((image.Height < 64) && (image.Width < 64))
                             {
-                                newsize = new Size(32, 32);
+                                newSize.Width = 32;
+                                newSize.Height = 32;
                             }
                             else if ((image.Height < 128) && (image.Width < 128))
                             {
-                                newsize = new Size(64, 64);
+                                newSize.Width = 64;
+                                newSize.Height = 64;
                             }
                             else if ((image.Height < 256) && (image.Width < 256))
                             {
-                                newsize = new Size(128, 128);
+                                newSize.Width = 128;
+                                newSize.Height = 128;
                             }
                             else if ((image.Height < 512 && image.Width < 512))
                             {
-                                newsize = new Size(256, 256);
+                                newSize.Width = 256;
+                                newSize.Height = 256;
                             }
                             else if ((image.Height < 1024 && image.Width < 1024))
                             {
-                                newsize = new Size(512, 512);
+                                newSize.Width = 512;
+                                newSize.Height = 512;
                             }
                             else
                             {
-                                newsize = new Size(1024, 1024);
+                                newSize.Width = 1024;
+                                newSize.Height = 1024;
                             }
 
-                            Bitmap resize = new Bitmap(image, newsize);
-
-                            imageJ2000 = OpenJPEG.EncodeFromImage(resize, true);
+                            using (Bitmap resize = new Bitmap(image, newSize))
+                            {
+                                imageJ2000 = OpenJPEG.EncodeFromImage(resize, true);
+                            }
                         } 
                         catch (Exception)
                         {
@@ -227,7 +240,6 @@ namespace OpenSim.Region.CoreModules.Scripting.LoadImageURL
             }
             catch (WebException)
             {
-                
             }
             finally
             {
@@ -236,9 +248,14 @@ namespace OpenSim.Region.CoreModules.Scripting.LoadImageURL
                     stream.Close();
                 }
             }
-            m_log.DebugFormat("[LOADIMAGEURLMODULE] Returning {0} bytes of image data for request {1}",
+
+            m_log.DebugFormat("[LOADIMAGEURLMODULE]: Returning {0} bytes of image data for request {1}",
                                        imageJ2000.Length, state.RequestID);
-            m_textureManager.ReturnData(state.RequestID, imageJ2000);
+
+            m_textureManager.ReturnData(
+                state.RequestID,
+                new OpenSim.Region.CoreModules.Scripting.DynamicTexture.DynamicTexture(
+                    request.RequestUri, null, imageJ2000, newSize, false));
         }
 
         #region Nested type: RequestState

OpenSim/Region/CoreModules/Scripting/VectorRender/Tests/VectorRenderModuleTests.cs

@@ -45,31 +45,292 @@ using OpenSim.Tests.Common.Mock;
 namespace OpenSim.Region.CoreModules.Scripting.VectorRender.Tests
 {
     [TestFixture]
-    public class VectorRenderModuleTests
+    public class VectorRenderModuleTests : OpenSimTestCase
     {
+        Scene m_scene;
+        DynamicTextureModule m_dtm;
+        VectorRenderModule m_vrm;
+
+        private void SetupScene(bool reuseTextures)
+        {
+            m_scene = new SceneHelpers().SetupScene();
+
+            m_dtm = new DynamicTextureModule();
+            m_dtm.ReuseTextures = reuseTextures;
+//            m_dtm.ReuseLowDataTextures = reuseTextures;
+
+            m_vrm = new VectorRenderModule();
+
+            SceneHelpers.SetupSceneModules(m_scene, m_dtm, m_vrm);
+        }
+
         [Test]
         public void TestDraw()
         {
             TestHelpers.InMethod();
 
-            Scene scene = new SceneHelpers().SetupScene();
-            DynamicTextureModule dtm = new DynamicTextureModule();
-            VectorRenderModule vrm = new VectorRenderModule();
-            SceneHelpers.SetupSceneModules(scene, dtm, vrm);
-
-            SceneObjectGroup so = SceneHelpers.AddSceneObject(scene);
+            SetupScene(false);
+            SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
             UUID originalTextureID = so.RootPart.Shape.Textures.GetFace(0).TextureID;
 
-            dtm.AddDynamicTextureData(
-                scene.RegionInfo.RegionID,
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
                 so.UUID,
-                vrm.GetContentType(),
+                m_vrm.GetContentType(),
                 "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World;",
                 "",
                 0);
 
+            Assert.That(originalTextureID, Is.Not.EqualTo(so.RootPart.Shape.Textures.GetFace(0).TextureID));
+        }
+
+        [Test]
+        public void TestRepeatSameDraw()
+        {
+            TestHelpers.InMethod();
+
+            string dtText = "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World;";
+
+            SetupScene(false);
+            SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                dtText,
+                "",
+                0);
+
+            UUID firstDynamicTextureID = so.RootPart.Shape.Textures.GetFace(0).TextureID;
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                dtText,
+                "",
+                0);
+
+            Assert.That(firstDynamicTextureID, Is.Not.EqualTo(so.RootPart.Shape.Textures.GetFace(0).TextureID));
+        }
+
+        [Test]
+        public void TestRepeatSameDrawDifferentExtraParams()
+        {
+            TestHelpers.InMethod();
+
+            string dtText = "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World;";
+
+            SetupScene(false);
+            SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                dtText,
+                "",
+                0);
+
+            UUID firstDynamicTextureID = so.RootPart.Shape.Textures.GetFace(0).TextureID;
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                dtText,
+                "alpha:250",
+                0);
+
+            Assert.That(firstDynamicTextureID, Is.Not.EqualTo(so.RootPart.Shape.Textures.GetFace(0).TextureID));
+        }
+
+        [Test]
+        public void TestRepeatSameDrawContainingImage()
+        {
+            TestHelpers.InMethod();
+
+            string dtText
+                = "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World; Image http://localhost/shouldnotexist.png";
+
+            SetupScene(false);
+            SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                dtText,
+                "",
+                0);
+
+            UUID firstDynamicTextureID = so.RootPart.Shape.Textures.GetFace(0).TextureID;
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                dtText,
+                "",
+                0);
+
+            Assert.That(firstDynamicTextureID, Is.Not.EqualTo(so.RootPart.Shape.Textures.GetFace(0).TextureID));
+        }
+
+        [Test]
+        public void TestDrawReusingTexture()
+        {
+            TestHelpers.InMethod();
+
+            SetupScene(true);
+            SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
+            UUID originalTextureID = so.RootPart.Shape.Textures.GetFace(0).TextureID;
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World;",
+                "",
+                0);
 
             Assert.That(originalTextureID, Is.Not.EqualTo(so.RootPart.Shape.Textures.GetFace(0).TextureID));
         }
+
+        [Test]
+        public void TestRepeatSameDrawReusingTexture()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            string dtText = "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World;";
+
+            SetupScene(true);
+            SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                dtText,
+                "",
+                0);
+
+            UUID firstDynamicTextureID = so.RootPart.Shape.Textures.GetFace(0).TextureID;
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                dtText,
+                "",
+                0);
+
+            Assert.That(firstDynamicTextureID, Is.EqualTo(so.RootPart.Shape.Textures.GetFace(0).TextureID));
+        }
+
+        /// <summary>
+        /// Test a low data dynamically generated texture such that it is treated as a low data texture that causes
+        /// problems for current viewers.
+        /// </summary>
+        /// <remarks>
+        /// As we do not set DynamicTextureModule.ReuseLowDataTextures = true in this test, it should not reuse the
+        /// texture
+        /// </remarks>
+        [Test]
+        public void TestRepeatSameDrawLowDataTexture()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            string dtText = "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World;";
+
+            SetupScene(true);
+            SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                dtText,
+                "1024",
+                0);
+
+            UUID firstDynamicTextureID = so.RootPart.Shape.Textures.GetFace(0).TextureID;
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                dtText,
+                "1024",
+                0);
+
+            Assert.That(firstDynamicTextureID, Is.Not.EqualTo(so.RootPart.Shape.Textures.GetFace(0).TextureID));
+        }
+
+        [Test]
+        public void TestRepeatSameDrawDifferentExtraParamsReusingTexture()
+        {
+            TestHelpers.InMethod();
+
+            string dtText = "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World;";
+
+            SetupScene(true);
+            SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                dtText,
+                "",
+                0);
+
+            UUID firstDynamicTextureID = so.RootPart.Shape.Textures.GetFace(0).TextureID;
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                dtText,
+                "alpha:250",
+                0);
+
+            Assert.That(firstDynamicTextureID, Is.Not.EqualTo(so.RootPart.Shape.Textures.GetFace(0).TextureID));
+        }
+
+        [Test]
+        public void TestRepeatSameDrawContainingImageReusingTexture()
+        {
+            TestHelpers.InMethod();
+
+            string dtText
+                = "PenColour BLACK; MoveTo 40,220; FontSize 32; Text Hello World; Image http://localhost/shouldnotexist.png";
+
+            SetupScene(true);
+            SceneObjectGroup so = SceneHelpers.AddSceneObject(m_scene);
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                dtText,
+                "",
+                0);
+
+            UUID firstDynamicTextureID = so.RootPart.Shape.Textures.GetFace(0).TextureID;
+
+            m_dtm.AddDynamicTextureData(
+                m_scene.RegionInfo.RegionID,
+                so.UUID,
+                m_vrm.GetContentType(),
+                dtText,
+                "",
+                0);
+
+            Assert.That(firstDynamicTextureID, Is.Not.EqualTo(so.RootPart.Shape.Textures.GetFace(0).TextureID));
+        }
     }
 }

OpenSim/Region/CoreModules/Scripting/VectorRender/VectorRenderModule.cs

@@ -30,10 +30,12 @@ using System.Drawing;
 using System.Drawing.Imaging;
 using System.Globalization;
 using System.IO;
+using System.Linq;
 using System.Net;
 using Nini.Config;
 using OpenMetaverse;
 using OpenMetaverse.Imaging;
+using OpenSim.Region.CoreModules.Scripting.DynamicTexture;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 using log4net;
@@ -45,9 +47,13 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
 {
     public class VectorRenderModule : IRegionModule, IDynamicTextureRender
     {
+        // These fields exist for testing purposes, please do not remove.
+//        private static bool s_flipper;
+//        private static byte[] s_asset1Data;
+//        private static byte[] s_asset2Data;
+
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
-        private string m_name = "VectorRenderModule";
         private Scene m_scene;
         private IDynamicTextureManager m_textureManager;
         private Graphics m_graph;
@@ -61,12 +67,12 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
 
         public string GetContentType()
         {
-            return ("vector");
+            return "vector";
         }
 
         public string GetName()
         {
-            return m_name;
+            return Name;
         }
 
         public bool SupportsAsynchronous()
@@ -74,14 +80,20 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
             return true;
         }
 
-        public byte[] ConvertUrl(string url, string extraParams)
+//        public bool AlwaysIdenticalConversion(string bodyData, string extraParams)
+//        {
+//            string[] lines = GetLines(bodyData);
+//            return lines.Any((str, r) => str.StartsWith("Image"));
+//        }
+
+        public IDynamicTexture ConvertUrl(string url, string extraParams)
         {
             return null;
         }
 
-        public byte[] ConvertStream(Stream data, string extraParams)
+        public IDynamicTexture ConvertData(string bodyData, string extraParams)
         {
-            return null;
+            return Draw(bodyData, extraParams);
         }
 
         public bool AsyncConvertUrl(UUID id, string url, string extraParams)
@@ -91,21 +103,28 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
 
         public bool AsyncConvertData(UUID id, string bodyData, string extraParams)
         {
-            Draw(bodyData, id, extraParams);
+            // XXX: This isn't actually being done asynchronously!
+            m_textureManager.ReturnData(id, ConvertData(bodyData, extraParams));
+
             return true;
         }
 
         public void GetDrawStringSize(string text, string fontName, int fontSize, 
                                       out double xSize, out double ySize)
         {
-            using (Font myFont = new Font(fontName, fontSize))
+            lock (this)
             {
-                SizeF stringSize = new SizeF();
-                lock (m_graph)
+                using (Font myFont = new Font(fontName, fontSize))
                 {
-                    stringSize = m_graph.MeasureString(text, myFont);
-                    xSize = stringSize.Width;
-                    ySize = stringSize.Height;
+                    SizeF stringSize = new SizeF();
+
+                    // XXX: This lock may be unnecessary.
+                    lock (m_graph)
+                    {
+                        stringSize = m_graph.MeasureString(text, myFont);
+                        xSize = stringSize.Width;
+                        ySize = stringSize.Height;
+                    }
                 }
             }
         }
@@ -144,6 +163,13 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
             {
                 m_textureManager.RegisterRender(GetContentType(), this);
             }
+
+                // This code exists for testing purposes, please do not remove.
+//            s_asset1Data = m_scene.AssetService.Get("00000000-0000-1111-9999-000000000001").Data;
+//            s_asset1Data = m_scene.AssetService.Get("9f4acf0d-1841-4e15-bdb8-3a12efc9dd8f").Data;
+
+            // Terrain dirt - smallest bin/assets file (6004 bytes)
+//            s_asset2Data = m_scene.AssetService.Get("b8d3965a-ad78-bf43-699b-bff8eca6c975").Data;
         }
 
         public void Close()
@@ -152,7 +178,7 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
 
         public string Name
         {
-            get { return m_name; }
+            get { return "VectorRenderModule"; }
         }
 
         public bool IsSharedModule
@@ -162,7 +188,7 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
 
         #endregion
 
-        private void Draw(string data, UUID id, string extraParams)
+        private IDynamicTexture Draw(string data, string extraParams)
         {
             // We need to cater for old scripts that didnt use extraParams neatly, they use either an integer size which represents both width and height, or setalpha
             // we will now support multiple comma seperated params in the form  width:256,height:512,alpha:255
@@ -305,40 +331,57 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
 
             Bitmap bitmap = null;
             Graphics graph = null;
+            bool reuseable = false;
 
             try
             {
-                if (alpha == 256)
-                    bitmap = new Bitmap(width, height, PixelFormat.Format32bppRgb);
-                else
-                    bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);
-
-                graph = Graphics.FromImage(bitmap);
-    
-                // this is really just to save people filling the 
-                // background color in their scripts, only do when fully opaque
-                if (alpha >= 255)
+                // XXX: In testing, it appears that if multiple threads dispose of separate GDI+ objects simultaneously,
+                // the native malloc heap can become corrupted, possibly due to a double free().  This may be due to
+                // bugs in the underlying libcairo used by mono's libgdiplus.dll on Linux/OSX.  These problems were
+                // seen with both libcario 1.10.2-6.1ubuntu3 and 1.8.10-2ubuntu1.  They go away if disposal is perfomed
+                // under lock.
+                lock (this)
                 {
-                    using (SolidBrush bgFillBrush = new SolidBrush(bgColor))
-                    {
-                        graph.FillRectangle(bgFillBrush, 0, 0, width, height);
-                    }
-                }
+                    if (alpha == 256)
+                        bitmap = new Bitmap(width, height, PixelFormat.Format32bppRgb);
+                    else
+                        bitmap = new Bitmap(width, height, PixelFormat.Format32bppArgb);
     
-                for (int w = 0; w < bitmap.Width; w++)
-                {
-                    if (alpha <= 255) 
+                    graph = Graphics.FromImage(bitmap);
+        
+                    // this is really just to save people filling the 
+                    // background color in their scripts, only do when fully opaque
+                    if (alpha >= 255)
                     {
-                        for (int h = 0; h < bitmap.Height; h++)
+                        using (SolidBrush bgFillBrush = new SolidBrush(bgColor))
                         {
-                            bitmap.SetPixel(w, h, Color.FromArgb(alpha, bitmap.GetPixel(w, h)));
+                            graph.FillRectangle(bgFillBrush, 0, 0, width, height);
                         }
                     }
+        
+                    for (int w = 0; w < bitmap.Width; w++)
+                    {
+                        if (alpha <= 255) 
+                        {
+                            for (int h = 0; h < bitmap.Height; h++)
+                            {
+                                bitmap.SetPixel(w, h, Color.FromArgb(alpha, bitmap.GetPixel(w, h)));
+                            }
+                        }
+                    }
+        
+                    GDIDraw(data, graph, altDataDelim, out reuseable);
                 }
     
-                GDIDraw(data, graph, altDataDelim);
-    
                 byte[] imageJ2000 = new byte[0];
+
+                // This code exists for testing purposes, please do not remove.
+//                if (s_flipper)
+//                    imageJ2000 = s_asset1Data;
+//                else
+//                    imageJ2000 = s_asset2Data;
+//
+//                s_flipper = !s_flipper;
     
                 try
                 {
@@ -351,15 +394,24 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
                         e.Message, e.StackTrace);
                 }
 
-                m_textureManager.ReturnData(id, imageJ2000);
+                return new OpenSim.Region.CoreModules.Scripting.DynamicTexture.DynamicTexture(
+                    data, extraParams, imageJ2000, new Size(width, height), reuseable);
             }
             finally
             {
-                if (graph != null)
-                    graph.Dispose();
-
-                if (bitmap != null)
-                    bitmap.Dispose();
+                // XXX: In testing, it appears that if multiple threads dispose of separate GDI+ objects simultaneously,
+                // the native malloc heap can become corrupted, possibly due to a double free().  This may be due to
+                // bugs in the underlying libcairo used by mono's libgdiplus.dll on Linux/OSX.  These problems were
+                // seen with both libcario 1.10.2-6.1ubuntu3 and 1.8.10-2ubuntu1.  They go away if disposal is perfomed
+                // under lock.
+                lock (this)
+                {
+                    if (graph != null)
+                        graph.Dispose();
+    
+                    if (bitmap != null)
+                        bitmap.Dispose();
+                }
             }
         }
         
@@ -418,8 +470,21 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
         }
 */
 
-        private void GDIDraw(string data, Graphics graph, char dataDelim)
+        /// <summary>
+        /// Split input data into discrete command lines.
+        /// </summary>
+        /// <returns></returns>
+        /// <param name='data'></param>
+        /// <param name='dataDelim'></param>
+        private string[] GetLines(string data, char dataDelim)
         {
+            char[] lineDelimiter = { dataDelim };
+            return data.Split(lineDelimiter);
+        }
+
+        private void GDIDraw(string data, Graphics graph, char dataDelim, out bool reuseable)
+        {
+            reuseable = true;
             Point startPoint = new Point(0, 0);
             Point endPoint = new Point(0, 0);
             Pen drawPen = null;
@@ -434,11 +499,9 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
                 myFont = new Font(fontName, fontSize);
                 myBrush = new SolidBrush(Color.Black);
 
-                char[] lineDelimiter = {dataDelim};
                 char[] partsDelimiter = {','};
-                string[] lines = data.Split(lineDelimiter);
 
-                foreach (string line in lines)
+                foreach (string line in GetLines(data, dataDelim))
                 {
                     string nextLine = line.Trim();
                     //replace with switch, or even better, do some proper parsing
@@ -469,6 +532,10 @@ namespace OpenSim.Region.CoreModules.Scripting.VectorRender
                     }
                     else if (nextLine.StartsWith("Image"))
                     {
+                        // We cannot reuse any generated texture involving fetching an image via HTTP since that image
+                        // can change.
+                        reuseable = false;
+
                         float x = 0;
                         float y = 0;
                         GetParams(partsDelimiter, ref nextLine, 5, ref x, ref y);

OpenSim/Region/CoreModules/ServiceConnectorsOut/Asset/LocalAssetServiceConnector.cs

@@ -204,8 +204,11 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Asset
         public byte[] GetData(string id)
         {
 //            m_log.DebugFormat("[LOCAL ASSET SERVICES CONNECTOR]: Requesting data for asset {0}", id);
-            
-            AssetBase asset = m_Cache.Get(id);
+
+            AssetBase asset = null;
+
+            if (m_Cache != null)
+                asset = m_Cache.Get(id);
 
             if (asset != null)
                 return asset.Data;

OpenSim/Region/CoreModules/ServiceConnectorsOut/Asset/Tests/AssetConnectorTests.cs

@@ -0,0 +1,136 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Reflection;
+using System.Threading;
+using log4net.Config;
+using Nini.Config;
+using NUnit.Framework;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Region.CoreModules.ServiceConnectorsOut.Asset;
+using OpenSim.Tests.Common;
+
+namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Asset.Tests
+{
+    [TestFixture]
+    public class AssetConnectorsTests : OpenSimTestCase
+    {
+        [Test]
+        public void TestAddAsset()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            IConfigSource config = new IniConfigSource();
+            config.AddConfig("Modules");
+            config.Configs["Modules"].Set("AssetServices", "LocalAssetServicesConnector");
+            config.AddConfig("AssetService");
+            config.Configs["AssetService"].Set("LocalServiceModule", "OpenSim.Services.AssetService.dll:AssetService");
+            config.Configs["AssetService"].Set("StorageProvider", "OpenSim.Tests.Common.dll");
+
+            LocalAssetServicesConnector lasc = new LocalAssetServicesConnector();
+            lasc.Initialise(config);
+
+            AssetBase a1 = AssetHelpers.CreateNotecardAsset();
+            lasc.Store(a1);
+
+            AssetBase retreivedA1 = lasc.Get(a1.ID);
+            Assert.That(retreivedA1.ID, Is.EqualTo(a1.ID));
+            Assert.That(retreivedA1.Metadata.ID, Is.EqualTo(a1.Metadata.ID));
+            Assert.That(retreivedA1.Data.Length, Is.EqualTo(a1.Data.Length));
+
+            AssetMetadata retrievedA1Metadata = lasc.GetMetadata(a1.ID);
+            Assert.That(retrievedA1Metadata.ID, Is.EqualTo(a1.ID));
+
+            byte[] retrievedA1Data = lasc.GetData(a1.ID);
+            Assert.That(retrievedA1Data.Length, Is.EqualTo(a1.Data.Length));
+
+            // TODO: Add cache and check that this does receive a copy of the asset
+        }
+
+        [Test]
+        public void TestAddTemporaryAsset()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            IConfigSource config = new IniConfigSource();
+            config.AddConfig("Modules");
+            config.Configs["Modules"].Set("AssetServices", "LocalAssetServicesConnector");
+            config.AddConfig("AssetService");
+            config.Configs["AssetService"].Set("LocalServiceModule", "OpenSim.Services.AssetService.dll:AssetService");
+            config.Configs["AssetService"].Set("StorageProvider", "OpenSim.Tests.Common.dll");
+
+            LocalAssetServicesConnector lasc = new LocalAssetServicesConnector();
+            lasc.Initialise(config);
+
+            AssetBase a1 = AssetHelpers.CreateNotecardAsset();
+            a1.Temporary = true;
+
+            lasc.Store(a1);
+
+            Assert.That(lasc.Get(a1.ID), Is.Null);
+            Assert.That(lasc.GetData(a1.ID), Is.Null);
+            Assert.That(lasc.GetMetadata(a1.ID), Is.Null);
+
+            // TODO: Add cache and check that this does receive a copy of the asset
+        }
+
+        [Test]
+        public void TestAddLocalAsset()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            IConfigSource config = new IniConfigSource();
+            config.AddConfig("Modules");
+            config.Configs["Modules"].Set("AssetServices", "LocalAssetServicesConnector");
+            config.AddConfig("AssetService");
+            config.Configs["AssetService"].Set("LocalServiceModule", "OpenSim.Services.AssetService.dll:AssetService");
+            config.Configs["AssetService"].Set("StorageProvider", "OpenSim.Tests.Common.dll");
+
+            LocalAssetServicesConnector lasc = new LocalAssetServicesConnector();
+            lasc.Initialise(config);
+
+            AssetBase a1 = AssetHelpers.CreateNotecardAsset();
+            a1.Local = true;
+
+            lasc.Store(a1);
+
+            Assert.That(lasc.Get(a1.ID), Is.Null);
+            Assert.That(lasc.GetData(a1.ID), Is.Null);
+            Assert.That(lasc.GetMetadata(a1.ID), Is.Null);
+
+            // TODO: Add cache and check that this does receive a copy of the asset
+        }
+    }
+}

OpenSim/Region/CoreModules/ServiceConnectorsOut/Grid/Tests/GridConnectorsTests.cs

@@ -43,7 +43,7 @@ using OpenSim.Tests.Common;
 namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Grid.Tests
 {
     [TestFixture]
-    public class GridConnectorsTests
+    public class GridConnectorsTests : OpenSimTestCase
     {
         LocalGridServicesConnector m_LocalConnector;
         private void SetUp()

OpenSim/Region/CoreModules/ServiceConnectorsOut/Simulation/LocalSimulationConnector.cs

@@ -312,7 +312,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Simulation
 //                        "[LOCAL SIMULATION CONNECTOR]: Found region {0} {1} to send AgentUpdate",
 //                        s.RegionInfo.RegionName, destination.RegionHandle);
 
-                Util.FireAndForget(delegate { m_scenes[destination.RegionID].IncomingCloseAgent(id); });
+                Util.FireAndForget(delegate { m_scenes[destination.RegionID].IncomingCloseAgent(id, false); });
                 return true;
             }
 

OpenSim/Region/CoreModules/World/Archiver/Tests/ArchiverTests.cs

@@ -51,7 +51,7 @@ using RegionSettings = OpenSim.Framework.RegionSettings;
 namespace OpenSim.Region.CoreModules.World.Archiver.Tests
 {
     [TestFixture]
-    public class ArchiverTests
+    public class ArchiverTests : OpenSimTestCase
     {
         private Guid m_lastRequestId;
         private string m_lastErrorMessage;

OpenSim/Region/CoreModules/World/Land/PrimCountModule.cs

@@ -69,7 +69,7 @@ namespace OpenSim.Region.CoreModules.World.Land
         /// without recounting the whole sim.
         /// 
         /// We start out tainted so that the first get call resets the various prim counts.
-        /// <value>
+        /// </value>
         private bool m_Tainted = true;
         
         private Object m_TaintLock = new Object();

OpenSim/Region/CoreModules/World/Objects/Commands/ObjectCommandsModule.cs

@@ -27,6 +27,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Reflection;
 using System.Text;
 using System.Text.RegularExpressions;
@@ -83,29 +84,56 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
             m_console.Commands.AddCommand(
                 "Objects", false, "delete object owner",
                 "delete object owner <UUID>",
-                "Delete a scene object by owner", HandleDeleteObject);
+                "Delete scene objects by owner",
+                "Command will ask for confirmation before proceeding.",
+                HandleDeleteObject);
 
             m_console.Commands.AddCommand(
                 "Objects", false, "delete object creator",
                 "delete object creator <UUID>",
-                "Delete a scene object by creator", HandleDeleteObject);
+                "Delete scene objects by creator",
+                "Command will ask for confirmation before proceeding.",
+                HandleDeleteObject);
 
             m_console.Commands.AddCommand(
                 "Objects", false, "delete object uuid",
                 "delete object uuid <UUID>",
-                "Delete a scene object by uuid", HandleDeleteObject);
+                "Delete a scene object by uuid",
+                HandleDeleteObject);
 
             m_console.Commands.AddCommand(
                 "Objects", false, "delete object name",
                 "delete object name [--regex] <name>",
                 "Delete a scene object by name.",
-                "If --regex is specified then the name is treatead as a regular expression",
+                "Command will ask for confirmation before proceeding.\n"
+                  + "If --regex is specified then the name is treatead as a regular expression",
                 HandleDeleteObject);
 
             m_console.Commands.AddCommand(
                 "Objects", false, "delete object outside",
                 "delete object outside",
-                "Delete all scene objects outside region boundaries", HandleDeleteObject);
+                "Delete all scene objects outside region boundaries",
+                "Command will ask for confirmation before proceeding.",
+                HandleDeleteObject);
+
+            m_console.Commands.AddCommand(
+                "Objects",
+                false,
+                "delete object pos",
+                "delete object pos <start-coord> to <end-coord>",
+                "Delete scene objects within the given area.",
+                "Each component of the coord is comma separated.  There must be no spaces between the commas.\n"
+                    + "If you don't care about the z component you can simply omit it.\n"
+                    + "If you don't care about the x or y components then you can leave them blank (though a comma is still required)\n"
+                    + "If you want to specify the maxmimum value of a component then you can use ~ instead of a number\n"
+                    + "If you want to specify the minimum value of a component then you can use -~ instead of a number\n"
+                    + "e.g.\n"
+                    + "delete object pos 20,20,20 to 40,40,40\n"
+                    + "delete object pos 20,20 to 40,40\n"
+                    + "delete object pos ,20,20 to ,40,40\n"
+                    + "delete object pos ,,30 to ,,~\n"
+                    + "delete object pos ,,-~ to ,,30",
+                HandleDeleteObject);
 
             m_console.Commands.AddCommand(
                 "Objects",
@@ -123,6 +151,25 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
                 "If --regex is specified then the name is treatead as a regular expression",
                 HandleShowObjectByName);
 
+            m_console.Commands.AddCommand(
+                "Objects",
+                false,
+                "show object pos",
+                "show object pos <start-coord> to <end-coord>",
+                "Show details of scene objects within the given area.",
+                "Each component of the coord is comma separated.  There must be no spaces between the commas.\n"
+                    + "If you don't care about the z component you can simply omit it.\n"
+                    + "If you don't care about the x or y components then you can leave them blank (though a comma is still required)\n"
+                    + "If you want to specify the maxmimum value of a component then you can use ~ instead of a number\n"
+                    + "If you want to specify the minimum value of a component then you can use -~ instead of a number\n"
+                    + "e.g.\n"
+                    + "show object pos 20,20,20 to 40,40,40\n"
+                    + "show object pos 20,20 to 40,40\n"
+                    + "show object pos ,20,20 to ,40,40\n"
+                    + "show object pos ,,30 to ,,~\n"
+                    + "show object pos ,,-~ to ,,30",
+                HandleShowObjectByPos);
+
             m_console.Commands.AddCommand(
                 "Objects",
                 false,
@@ -138,6 +185,25 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
                 "Show details of scene object parts with the given name.",
                 "If --regex is specified then the name is treatead as a regular expression",
                 HandleShowPartByName);
+
+            m_console.Commands.AddCommand(
+                "Objects",
+                false,
+                "show part pos",
+                "show part pos <start-coord> to <end-coord>",
+                "Show details of scene object parts within the given area.",
+                "Each component of the coord is comma separated.  There must be no spaces between the commas.\n"
+                    + "If you don't care about the z component you can simply omit it.\n"
+                    + "If you don't care about the x or y components then you can leave them blank (though a comma is still required)\n"
+                    + "If you want to specify the maxmimum value of a component then you can use ~ instead of a number\n"
+                    + "If you want to specify the minimum value of a component then you can use -~ instead of a number\n"
+                    + "e.g.\n"
+                    + "show object pos 20,20,20 to 40,40,40\n"
+                    + "show object pos 20,20 to 40,40\n"
+                    + "show object pos ,20,20 to ,40,40\n"
+                    + "show object pos ,,30 to ,,~\n"
+                    + "show object pos ,,-~ to ,,30",
+                HandleShowPartByPos);
         }
 
         public void RemoveRegion(Scene scene)
@@ -150,6 +216,43 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
 //            m_log.DebugFormat("[OBJECTS COMMANDS MODULE]: REGION {0} LOADED", scene.RegionInfo.RegionName);
         }
 
+        private void OutputSogsToConsole(Predicate<SceneObjectGroup> searchPredicate)
+        {
+            List<SceneObjectGroup> sceneObjects = m_scene.GetSceneObjectGroups().FindAll(searchPredicate);
+
+            StringBuilder sb = new StringBuilder();
+
+            foreach (SceneObjectGroup so in sceneObjects)
+            {
+                AddSceneObjectReport(sb, so);
+                sb.Append("\n");
+            }
+
+            sb.AppendFormat("{0} object(s) found in {1}\n", sceneObjects.Count, m_scene.Name);
+
+            m_console.OutputFormat(sb.ToString());
+        }
+
+        private void OutputSopsToConsole(Predicate<SceneObjectPart> searchPredicate)
+        {
+            List<SceneObjectGroup> sceneObjects = m_scene.GetSceneObjectGroups();
+            List<SceneObjectPart> parts = new List<SceneObjectPart>();
+
+            sceneObjects.ForEach(so => parts.AddRange(Array.FindAll<SceneObjectPart>(so.Parts, searchPredicate)));
+
+            StringBuilder sb = new StringBuilder();
+
+            foreach (SceneObjectPart part in parts)
+            {
+                AddScenePartReport(sb, part);
+                sb.Append("\n");
+            }
+
+            sb.AppendFormat("{0} parts found in {1}\n", parts.Count, m_scene.Name);
+
+            m_console.OutputFormat(sb.ToString());
+        }
+
         private void HandleShowObjectByUuid(string module, string[] cmd)
         {
             if (!(m_console.ConsoleScene == null || m_console.ConsoleScene == m_scene))
@@ -200,36 +303,41 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
 
             string name = mainParams[3];
 
-            List<SceneObjectGroup> sceneObjects = new List<SceneObjectGroup>();
-            Action<SceneObjectGroup> searchAction;
+            Predicate<SceneObjectGroup> searchPredicate;
 
             if (useRegex)
             {
                 Regex nameRegex = new Regex(name);
-                searchAction = so => { if (nameRegex.IsMatch(so.Name)) { sceneObjects.Add(so); }};
+                searchPredicate = so => nameRegex.IsMatch(so.Name);
             }
             else
             {
-                searchAction = so => { if (so.Name == name) { sceneObjects.Add(so); }};
+                searchPredicate = so => so.Name == name;
             }
 
-            m_scene.ForEachSOG(searchAction);
+            OutputSogsToConsole(searchPredicate);
+        }
 
-            if (sceneObjects.Count == 0)
+        private void HandleShowObjectByPos(string module, string[] cmdparams)
+        {
+            if (!(m_console.ConsoleScene == null || m_console.ConsoleScene == m_scene))
+                return;
+
+            if (cmdparams.Length < 5)
             {
-                m_console.OutputFormat("No objects with name {0} found in {1}", name, m_scene.RegionInfo.RegionName);
+                m_console.OutputFormat("Usage: show object pos <start-coord> to <end-coord>");
                 return;
             }
 
-            StringBuilder sb = new StringBuilder();
+            Vector3 startVector, endVector;
 
-            foreach (SceneObjectGroup so in sceneObjects)
-            {
-                AddSceneObjectReport(sb, so);
-                sb.Append("\n");
-            }
+            if (!TryParseVectorRange(cmdparams.Skip(3).Take(3), out startVector, out endVector))
+                return;
 
-            m_console.OutputFormat(sb.ToString());
+            Predicate<SceneObjectGroup> searchPredicate
+                = so => Util.IsInsideBox(so.AbsolutePosition, startVector, endVector);
+
+            OutputSogsToConsole(searchPredicate);
         }
 
         private void HandleShowPartByUuid(string module, string[] cmd)
@@ -264,6 +372,38 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
             m_console.OutputFormat(sb.ToString());
         }
 
+        private void HandleShowPartByPos(string module, string[] cmdparams)
+        {
+            if (!(m_console.ConsoleScene == null || m_console.ConsoleScene == m_scene))
+                return;
+
+            if (cmdparams.Length < 5)
+            {
+                m_console.OutputFormat("Usage: show part pos <start-coord> to <end-coord>");
+                return;
+            }
+
+            string rawConsoleStartVector = cmdparams[3];
+            Vector3 startVector;
+
+            if (!ConsoleUtil.TryParseConsoleMinVector(rawConsoleStartVector, out startVector))
+            {
+                m_console.OutputFormat("Error: Start vector {0} does not have a valid format", rawConsoleStartVector);
+                return;
+            }
+
+            string rawConsoleEndVector = cmdparams[5];
+            Vector3 endVector;
+
+            if (!ConsoleUtil.TryParseConsoleMaxVector(rawConsoleEndVector, out endVector))
+            {
+                m_console.OutputFormat("Error: End vector {0} does not have a valid format", rawConsoleEndVector);
+                return;
+            }
+
+            OutputSopsToConsole(sop => Util.IsInsideBox(sop.AbsolutePosition, startVector, endVector));
+        }
+
         private void HandleShowPartByName(string module, string[] cmdparams)
         {
             if (!(m_console.ConsoleScene == null || m_console.ConsoleScene == m_scene))
@@ -282,37 +422,19 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
 
             string name = mainParams[3];
 
-            List<SceneObjectPart> parts = new List<SceneObjectPart>();
-
-            Action<SceneObjectGroup> searchAction;
+            Predicate<SceneObjectPart> searchPredicate;
 
             if (useRegex)
             {
                 Regex nameRegex = new Regex(name);
-                searchAction = so => so.ForEachPart(sop => { if (nameRegex.IsMatch(sop.Name)) { parts.Add(sop); } });
+                searchPredicate = sop => nameRegex.IsMatch(sop.Name);
             }
             else
             {
-                searchAction = so => so.ForEachPart(sop => { if (sop.Name == name) { parts.Add(sop); } });
+                searchPredicate = sop => sop.Name == name;
             }
 
-            m_scene.ForEachSOG(searchAction);
-
-            if (parts.Count == 0)
-            {
-                m_console.OutputFormat("No parts with name {0} found in {1}", name, m_scene.RegionInfo.RegionName);
-                return;
-            }
-
-            StringBuilder sb = new StringBuilder();
-
-            foreach (SceneObjectPart part in parts)
-            {
-                AddScenePartReport(sb, part);
-                sb.Append("\n");
-            }
-
-            m_console.OutputFormat(sb.ToString());
+            OutputSopsToConsole(searchPredicate);
         }
 
         private StringBuilder AddSceneObjectReport(StringBuilder sb, SceneObjectGroup so)
@@ -450,6 +572,10 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
         
                     break;
 
+                case "pos":
+                    deletes = GetDeleteCandidatesByPos(module, cmd);
+                    break;
+
                 default:
                     m_console.OutputFormat("Unrecognized mode {0}", mode);
                     return;
@@ -464,7 +590,7 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
                     string.Format(
                         "Are you sure that you want to delete {0} objects from {1}",
                         deletes.Count, m_scene.RegionInfo.RegionName),
-                    "n");
+                    "y/N");
     
                 if (response.ToLower() != "y")
                 {
@@ -486,9 +612,6 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
 
         private List<SceneObjectGroup> GetDeleteCandidatesByName(string module, string[] cmdparams)
         {
-            if (!(m_console.ConsoleScene == null || m_console.ConsoleScene == m_scene))
-                return null;
-
             bool useRegex = false;
             OptionSet options = new OptionSet().Add("regex", v=> useRegex = v != null );
 
@@ -522,5 +645,52 @@ namespace OpenSim.Region.CoreModules.World.Objects.Commands
 
             return sceneObjects;
         }
+
+        /// <summary>
+        /// Get scene object delete candidates by position
+        /// </summary>
+        /// <param name='module'></param>
+        /// <param name='cmdparams'></param>
+        /// <returns>null if parsing failed on one of the arguments, otherwise a list of objects to delete.  If there
+        /// are no objects to delete then the list will be empty./returns>
+        private List<SceneObjectGroup> GetDeleteCandidatesByPos(string module, string[] cmdparams)
+        {
+            if (cmdparams.Length < 5)
+            {
+                m_console.OutputFormat("Usage: delete object pos <start-coord> to <end-coord>");
+                return null;
+            }
+
+            Vector3 startVector, endVector;
+
+            if (!TryParseVectorRange(cmdparams.Skip(3).Take(3), out startVector, out endVector))
+                return null;
+
+            return m_scene.GetSceneObjectGroups().FindAll(
+                so => !so.IsAttachment && Util.IsInsideBox(so.AbsolutePosition, startVector, endVector));
+        }
+
+        private bool TryParseVectorRange(IEnumerable<string> rawComponents, out Vector3 startVector, out Vector3 endVector)
+        {
+            string rawConsoleStartVector = rawComponents.Take(1).Single();
+
+            if (!ConsoleUtil.TryParseConsoleMinVector(rawConsoleStartVector, out startVector))
+            {
+                m_console.OutputFormat("Error: Start vector {0} does not have a valid format", rawConsoleStartVector);
+                endVector = Vector3.Zero;
+                
+                return false;
+            }
+
+            string rawConsoleEndVector = rawComponents.Skip(1).Take(1).Single();
+
+            if (!ConsoleUtil.TryParseConsoleMaxVector(rawConsoleEndVector, out endVector))
+            {
+                m_console.OutputFormat("Error: End vector {0} does not have a valid format", rawConsoleEndVector);
+                return false;
+            }
+
+            return true;
+        }
     }
 }

OpenSim/Region/CoreModules/World/Sound/SoundModule.cs

@@ -85,13 +85,15 @@ namespace OpenSim.Region.CoreModules.World.Sound
                         dis = 0;
                 }
 
+                float thisSpGain;
+
                 // Scale by distance
                 if (radius == 0)
-                    gain = (float)((double)gain * ((100.0 - dis) / 100.0));
+                    thisSpGain = (float)((double)gain * ((100.0 - dis) / 100.0));
                 else
-                    gain = (float)((double)gain * ((radius - dis) / radius));
+                    thisSpGain = (float)((double)gain * ((radius - dis) / radius));
 
-                sp.ControllingClient.SendPlayAttachedSound(soundID, objectID, ownerID, (float)gain, flags);
+                sp.ControllingClient.SendPlayAttachedSound(soundID, objectID, ownerID, thisSpGain, flags);
             });
         }
         

OpenSim/Region/Framework/Interfaces/IDynamicTextureManager.cs

@@ -25,6 +25,8 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+using System;
+using System.Drawing;
 using System.IO;
 using OpenMetaverse;
 
@@ -33,7 +35,14 @@ namespace OpenSim.Region.Framework.Interfaces
     public interface IDynamicTextureManager
     {
         void RegisterRender(string handleType, IDynamicTextureRender render);
-        void ReturnData(UUID id, byte[] data);
+
+        /// <summary>
+        /// Used by IDynamicTextureRender implementations to return renders
+        /// </summary>
+        /// <param name='id'></param>
+        /// <param name='data'></param>
+        /// <param name='isReuseable'></param>
+        void ReturnData(UUID id, IDynamicTexture texture);
 
         UUID AddDynamicTextureURL(UUID simID, UUID primID, string contentType, string url, string extraParams,
                                     int updateTimer);
@@ -113,11 +122,65 @@ namespace OpenSim.Region.Framework.Interfaces
         string GetName();
         string GetContentType();
         bool SupportsAsynchronous();
-        byte[] ConvertUrl(string url, string extraParams);
-        byte[] ConvertStream(Stream data, string extraParams);
+
+//        /// <summary>
+//        /// Return true if converting the input body and extra params data will always result in the same byte[] array
+//        /// </summary>
+//        /// <remarks>
+//        /// This method allows the caller to use a previously generated asset if it has one.
+//        /// </remarks>
+//        /// <returns></returns>
+//        /// <param name='bodyData'></param>
+//        /// <param name='extraParams'></param>
+//        bool AlwaysIdenticalConversion(string bodyData, string extraParams);
+
+        IDynamicTexture ConvertUrl(string url, string extraParams);
+        IDynamicTexture ConvertData(string bodyData, string extraParams);
+
         bool AsyncConvertUrl(UUID id, string url, string extraParams);
         bool AsyncConvertData(UUID id, string bodyData, string extraParams);
+
         void GetDrawStringSize(string text, string fontName, int fontSize, 
                                out double xSize, out double ySize);
     }
+
+    public interface IDynamicTexture
+    {
+        /// <summary>
+        /// Input commands used to generate this data.
+        /// </summary>
+        /// <remarks>
+        /// Null if input commands were not used.
+        /// </remarks>
+        string InputCommands { get; }
+
+        /// <summary>
+        /// Uri used to generate this data.
+        /// </summary>
+        /// <remarks>
+        /// Null if a uri was not used.
+        /// </remarks>
+        Uri InputUri { get; }
+
+        /// <summary>
+        /// Extra input params used to generate this data.
+        /// </summary>
+        string InputParams { get; }
+
+        /// <summary>
+        /// Texture data.
+        /// </summary>
+        byte[] Data { get; }
+
+        /// <summary>
+        /// Size of texture.
+        /// </summary>
+        Size Size { get; }
+
+        /// <summary>
+        /// Signal whether the texture is reuseable (i.e. whether the same input data will always generate the same
+        /// texture).
+        /// </summary>
+        bool IsReuseable { get; }
+    }
 }

OpenSim/Region/Framework/Interfaces/IJsonStoreModule.cs

@@ -35,7 +35,7 @@ namespace OpenSim.Region.Framework.Interfaces
 
     public interface IJsonStoreModule
     {
-        bool CreateStore(string value, out UUID result);
+        bool CreateStore(string value, ref UUID result);
         bool DestroyStore(UUID storeID);
         bool TestPath(UUID storeID, string path, bool useJson);
         bool SetValue(UUID storeID, string path, string value, bool useJson);

OpenSim/Region/Framework/Interfaces/IScriptModuleComms.cs

@@ -46,9 +46,31 @@ namespace OpenSim.Region.Framework.Interfaces
         /// </summary>
         event ScriptCommand OnScriptCommand;
 
+        /// <summary>
+        /// Register an instance method as a script call by method name
+        /// </summary>
+        /// <param name="target"></param>
+        /// <param name="method"></param>
         void RegisterScriptInvocation(object target, string method);
+
+        /// <summary>
+        /// Register an instance method as a script call by method info
+        /// </summary>
+        /// <param name="target"></param>
+        /// <param name="method"></param>
         void RegisterScriptInvocation(object target, MethodInfo method);
+
+        /// <summary>
+        /// Register one or more instance methods as script calls by method name
+        /// </summary>
+        /// <param name="target"></param>
+        /// <param name="methods"></param>
         void RegisterScriptInvocation(object target, string[] methods);
+
+        /// <summary>
+        /// Returns an array of all registered script calls
+        /// </summary>
+        /// <returns></returns>
         Delegate[] GetScriptInvocationList();
 
         Delegate LookupScriptInvocation(string fname);

OpenSim/Region/Framework/Scenes/EventManager.cs

@@ -47,26 +47,71 @@ namespace OpenSim.Region.Framework.Scenes
         
         public delegate void OnFrameDelegate();
 
+        /// <summary>
+        /// Triggered on each sim frame.
+        /// </summary>
+        /// <remarks>
+        /// This gets triggered in <see cref="OpenSim.Region.Framework.Scenes.Scene.Update"/>
+        /// Core uses it for things like Sun, Wind & Clouds
+        /// The MRM module also uses it.
+        /// </remarks>
         public event OnFrameDelegate OnFrame;
 
         public delegate void ClientMovement(ScenePresence client);
 
+        /// <summary>
+        /// Trigerred when an agent moves.
+        /// </summary>
+        /// <remarks>
+        /// This gets triggered in <see cref="OpenSim.Region.Framework.Scenes.ScenePresence.HandleAgentUpdate"/>
+        /// prior to <see cref="OpenSim.Region.Framework.Scenes.ScenePresence.TriggerScenePresenceUpdated"/>
+        /// </remarks>
         public event ClientMovement OnClientMovement;
 
         public delegate void OnTerrainTaintedDelegate();
 
+        /// <summary>
+        /// Triggered if the terrain has been edited
+        /// </summary>
+        /// <remarks>
+        /// This gets triggered in <see cref="OpenSim.Region.CoreModules.World.Terrain.CheckForTerrainUpdates"/>
+        /// after it determines that an update has been made.
+        /// </remarks>
         public event OnTerrainTaintedDelegate OnTerrainTainted;
 
         public delegate void OnTerrainTickDelegate();
 
+        /// <summary>
+        /// Triggered if the terrain has been edited
+        /// </summary>
+        /// <remarks>
+        /// This gets triggered in <see cref="OpenSim.Region.Framework.Scenes.Scene.UpdateTerrain"/>
+        /// but is used by core solely to update the physics engine.
+        /// </remarks>
         public event OnTerrainTickDelegate OnTerrainTick;
 
         public delegate void OnBackupDelegate(ISimulationDataService datastore, bool forceBackup);
 
+        /// <summary>
+        /// Triggered when a region is backed up/persisted to storage
+        /// </summary>
+        /// <remarks>
+        /// This gets triggered in <see cref="OpenSim.Region.Framework.Scenes.Scene.Backup"/>
+        /// and is fired before the persistence occurs.
+        /// </remarks>
         public event OnBackupDelegate OnBackup;
 
         public delegate void OnClientConnectCoreDelegate(IClientCore client);
 
+        /// <summary>
+        /// Triggered when a new client connects to the scene.
+        /// </summary>
+        /// <remarks>
+        /// This gets triggered in <see cref="TriggerOnNewClient"/>,
+        /// which checks if an instance of <see cref="OpenSim.Framework.IClientAPI"/>
+        /// also implements <see cref="OpenSim.Framework.Client.IClientCore"/> and as such,
+        /// is not triggered by <see cref="OpenSim.Region.OptionalModules.World.NPC">NPCs</see>.
+        /// </remarks>
         public event OnClientConnectCoreDelegate OnClientConnect;
 
         public delegate void OnNewClientDelegate(IClientAPI client);
@@ -76,33 +121,96 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <remarks>
         /// This is triggered for both child and root agent client connections.
+        ///
         /// Triggered before OnClientLogin.
+        ///
+        /// This is triggered under per-agent lock.  So if you want to perform any long-running operations, please
+        /// do this on a separate thread.
         /// </remarks>
         public event OnNewClientDelegate OnNewClient;
 
         /// <summary>
         /// Fired if the client entering this sim is doing so as a new login
         /// </summary>
+        /// <remarks>
+        /// This is triggered under per-agent lock.  So if you want to perform any long-running operations, please
+        /// do this on a separate thread.
+        /// </remarks>
         public event Action<IClientAPI> OnClientLogin;
 
         public delegate void OnNewPresenceDelegate(ScenePresence presence);
 
+        /// <summary>
+        /// Triggered when a new presence is added to the scene
+        /// </summary>
+        /// <remarks>
+        /// Triggered in <see cref="OpenSim.Region.Framework.Scenes.Scene.AddNewClient"/> which is used by both
+        /// <see cref="OpenSim.Framework.PresenceType.User">users</see> and <see cref="OpenSim.Framework.PresenceType.Npc">NPCs</see>
+        /// </remarks>
         public event OnNewPresenceDelegate OnNewPresence;
 
         public delegate void OnRemovePresenceDelegate(UUID agentId);
 
+        /// <summary>
+        /// Triggered when a presence is removed from the scene
+        /// </summary>
+        /// <remarks>
+        /// Triggered in <see cref="OpenSim.Region.Framework.Scenes.Scene.AddNewClient"/> which is used by both
+        /// <see cref="OpenSim.Framework.PresenceType.User">users</see> and <see cref="OpenSim.Framework.PresenceType.Npc">NPCs</see>
+        /// 
+        /// Triggered under per-agent lock.  So if you want to perform any long-running operations, please
+        /// do this on a separate thread.
+        /// </remarks>
         public event OnRemovePresenceDelegate OnRemovePresence;
 
         public delegate void OnParcelPrimCountUpdateDelegate();
 
+        /// <summary>
+        /// Triggered whenever the prim count may have been altered, or prior
+        /// to an action that requires the current prim count to be accurate.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerParcelPrimCountUpdate"/> in
+        /// <see cref="OpenSim.OpenSimBase.CreateRegion"/>,
+        /// <see cref="OpenSim.Region.CoreModules.World.Land.LandManagementModule.EventManagerOnRequestParcelPrimCountUpdate"/>,
+        /// <see cref="OpenSim.Region.CoreModules.World.Land.LandManagementModule.ClientOnParcelObjectOwnerRequest"/>,
+        /// <see cref="OpenSim.Region.CoreModules.World.Land.LandObject.GetPrimsFree"/>,
+        /// <see cref="OpenSim.Region.CoreModules.World.Land.LandObject.UpdateLandSold"/>,
+        /// <see cref="OpenSim.Region.CoreModules.World.Land.LandObject.DeedToGroup"/>,
+        /// <see cref="OpenSim.Region.CoreModules.World.Land.LandObject.SendLandUpdateToClient"/>
+        /// </remarks>
         public event OnParcelPrimCountUpdateDelegate OnParcelPrimCountUpdate;
 
         public delegate void OnParcelPrimCountAddDelegate(SceneObjectGroup obj);
 
+        /// <summary>
+        /// Triggered in response to <see cref="OnParcelPrimCountUpdate"/> for
+        /// objects that actually contribute to parcel prim count.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerParcelPrimCountAdd"/> in
+        /// <see cref="OpenSim.Region.CoreModules.World.Land.LandManagementModule.EventManagerOnParcelPrimCountUpdate"/>
+        /// </remarks>
         public event OnParcelPrimCountAddDelegate OnParcelPrimCountAdd;
 
         public delegate void OnPluginConsoleDelegate(string[] args);
 
+        /// <summary>
+        /// Triggered after <see cref="OpenSim.IApplicationPlugin.PostInitialise"/>
+        /// has been called for all <see cref="OpenSim.IApplicationPlugin"/>
+        /// loaded via <see cref="OpenSim.OpenSimBase.LoadPlugins"/>.
+        /// Handlers for this event are typically used to parse the arguments
+        /// from <see cref="OnPluginConsoleDelegate"/> in order to process or
+        /// filter the arguments and pass them onto <see cref="OpenSim.Region.CoreModules.Framework.InterfaceCommander.Commander.ProcessConsoleCommand"/>
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerOnPluginConsole"/> in
+        /// <see cref="Scene.SendCommandToPlugins"/> via
+        /// <see cref="SceneManager.SendCommandToPluginModules"/> via
+        /// <see cref="OpenSim.OpenSimBase.HandleCommanderCommand"/> via
+        /// <see cref="OpenSim.OpenSimBase.AddPluginCommands"/> via
+        /// <see cref="OpenSim.OpenSimBase.StartupSpecific"/>
+        /// </remarks>
         public event OnPluginConsoleDelegate OnPluginConsole;
 
         /// <summary>
@@ -117,8 +225,28 @@ namespace OpenSim.Region.Framework.Scenes
 
         public delegate void OnSetRootAgentSceneDelegate(UUID agentID, Scene scene);
 
+        /// <summary>
+        /// Triggered before the grunt work for adding a root agent to a
+        /// scene has been performed (resuming attachment scripts, physics,
+        /// animations etc.)
+        /// </summary>
+        /// <remarks>
+        /// Triggered before <see cref="OnMakeRootAgent"/>
+        /// by <see cref="TriggerSetRootAgentScene"/>
+        /// in <see cref="ScenePresence.MakeRootAgent"/>
+        /// via <see cref="Scene.AgentCrossing"/>
+        /// and <see cref="ScenePresence.CompleteMovement"/>
+        /// </remarks>
         public event OnSetRootAgentSceneDelegate OnSetRootAgentScene;
 
+        /// <summary>
+        /// Triggered after parcel properties have been updated.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerOnParcelPropertiesUpdateRequest"/> in
+        /// <see cref="OpenSim.Region.CoreModules.World.Land.LandManagementModule.ClientOnParcelPropertiesUpdateRequest"/>,
+        /// <see cref="OpenSim.Region.CoreModules.World.Land.LandManagementModule.ProcessPropertiesUpdate"/>
+        /// </remarks>
         public event ParcelPropertiesUpdateRequest OnParcelPropertiesUpdateRequest;
 
         /// <summary>
@@ -133,13 +261,45 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Fired when an object is touched/grabbed.
         /// </summary>
+        /// <remarks>
         /// The originalID is the local ID of the part that was actually touched.  The localID itself is always that of
         /// the root part.
+        /// Triggerd in response to <see cref="OpenSim.Framework.IClientAPI.OnGrabObject"/>
+        /// via <see cref="TriggerObjectGrab"/>
+        /// in <see cref="Scene.ProcessObjectGrab"/>
+        /// </remarks>
         public event ObjectGrabDelegate OnObjectGrab;
         public delegate void ObjectGrabDelegate(uint localID, uint originalID, Vector3 offsetPos, IClientAPI remoteClient, SurfaceTouchEventArgs surfaceArgs);
         
+        /// <summary>
+        /// Triggered when an object is being touched/grabbed continuously.
+        /// </summary>
+        /// <remarks>
+        /// Triggered in response to <see cref="OpenSim.Framework.IClientAPI.OnGrabUpdate"/>
+        /// via <see cref="TriggerObjectGrabbing"/>
+        /// in <see cref="Scene.ProcessObjectGrabUpdate"/>
+        /// </remarks>
         public event ObjectGrabDelegate OnObjectGrabbing;
+
+        /// <summary>
+        /// Triggered when an object stops being touched/grabbed.
+        /// </summary>
+        /// <remarks>
+        /// Triggered in response to <see cref="OpenSim.Framework.IClientAPI.OnDeGrabObject"/>
+        /// via <see cref="TriggerObjectDeGrab"/>
+        /// in <see cref="Scene.ProcessObjectDeGrab"/>
+        /// </remarks>
         public event ObjectDeGrabDelegate OnObjectDeGrab;
+
+        /// <summary>
+        /// Triggered when a script resets.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerScriptReset"/>
+        /// in <see cref="Scene.ProcessScriptReset"/>
+        /// via <see cref="OpenSim.Framework.IClientAPI.OnScriptReset"/>
+        /// via <see cref="OpenSim.Region.ClientStack.LindenUDP.LLClientView.HandleScriptReset"/>
+        /// </remarks>
         public event ScriptResetDelegate OnScriptReset;
 
         public event OnPermissionErrorDelegate OnPermissionError;
@@ -149,29 +309,105 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <remarks>
         /// Occurs after OnNewScript.
+        /// Triggered by <see cref="TriggerRezScript"/>
+        /// in <see cref="SceneObjectPartInventory.CreateScriptInstance"/>
         /// </remarks>
         public event NewRezScript OnRezScript;
         public delegate void NewRezScript(uint localID, UUID itemID, string script, int startParam, bool postOnRez, string engine, int stateSource);
 
         public delegate void RemoveScript(uint localID, UUID itemID);
+
+        /// <summary>
+        /// Triggered when a script is removed from an object.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerRemoveScript"/>
+        /// in <see cref="Scene.RemoveTaskInventory"/>,
+        /// <see cref="Scene.CreateAgentInventoryItemFromTask"/>,
+        /// <see cref="SceneObjectPartInventory.RemoveScriptInstance"/>,
+        /// <see cref="SceneObjectPartInventory.RemoveInventoryItem"/>
+        /// </remarks>
         public event RemoveScript OnRemoveScript;
 
         public delegate void StartScript(uint localID, UUID itemID);
+
+        /// <summary>
+        /// Triggered when a script starts.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerStartScript"/>
+        /// in <see cref="Scene.SetScriptRunning"/>
+        /// via <see cref="OpenSim.Framework.IClientAPI.OnSetScriptRunning"/>,
+        /// via <see cref="OpenSim.Region.ClientStack.LindenUDP.HandleSetScriptRunning"/>
+        /// </remarks>
         public event StartScript OnStartScript;
 
         public delegate void StopScript(uint localID, UUID itemID);
+
+        /// <summary>
+        /// Triggered when a script stops.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerStopScript"/>,
+        /// in <see cref="SceneObjectPartInventory.CreateScriptInstance"/>,
+        /// <see cref="SceneObjectPartInventory.StopScriptInstance"/>,
+        /// <see cref="Scene.SetScriptRunning"/>
+        /// </remarks>
         public event StopScript OnStopScript;
 
         public delegate bool SceneGroupMoved(UUID groupID, Vector3 delta);
+
+        /// <summary>
+        /// Triggered when an object is moved.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerGroupMove"/>
+        /// in <see cref="SceneObjectGroup.UpdateGroupPosition"/>,
+        /// <see cref="SceneObjectGroup.GrabMovement"/>
+        /// </remarks>
         public event SceneGroupMoved OnSceneGroupMove;
 
         public delegate void SceneGroupGrabed(UUID groupID, Vector3 offset, UUID userID);
+
+        /// <summary>
+        /// Triggered when an object is grabbed.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerGroupGrab"/>
+        /// in <see cref="SceneObjectGroup.OnGrabGroup"/>
+        /// via <see cref="SceneObjectGroup.ObjectGrabHandler"/>
+        /// via <see cref="Scene.ProcessObjectGrab"/>
+        /// via <see cref="OpenSim.Framework.IClientAPI.OnGrabObject"/>
+        /// via <see cref="OpenSim.Region.ClientStack.LindenUDP.LLClientView.HandleObjectGrab"/>
+        /// </remarks>
         public event SceneGroupGrabed OnSceneGroupGrab;
 
         public delegate bool SceneGroupSpinStarted(UUID groupID);
+
+        /// <summary>
+        /// Triggered when an object starts to spin.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerGroupSpinStart"/>
+        /// in <see cref="SceneObjectGroup.SpinStart"/>
+        /// via <see cref="SceneGraph.SpinStart"/>
+        /// via <see cref="OpenSim.Framework.IClientAPI.OnSpinStart"/>
+        /// via <see cref="OpenSim.Region.ClientStack.LindenUDP.LLClientView.HandleObjectSpinStart"/>
+        /// </remarks>
         public event SceneGroupSpinStarted OnSceneGroupSpinStart;
 
         public delegate bool SceneGroupSpun(UUID groupID, Quaternion rotation);
+
+        /// <summary>
+        /// Triggered when an object is being spun.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerGroupSpin"/>
+        /// in <see cref="SceneObjectGroup.SpinMovement"/>
+        /// via <see cref="SceneGraph.SpinObject"/>
+        /// via <see cref="OpenSim.Framework.IClientAPI.OnSpinUpdate"/>
+        /// via <see cref="OpenSim.Region.ClientStack.LindenUDP.LLClientView.HandleObjectSpinUpdate"/>
+        /// </remarks>
         public event SceneGroupSpun OnSceneGroupSpin;
 
         public delegate void LandObjectAdded(ILandObject newParcel);
@@ -200,6 +436,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <remarks>
         /// At the point of firing, the scene still contains the client's scene presence.
+        ///
+        /// This is triggered under per-agent lock.  So if you want to perform any long-running operations, please
+        /// do this on a separate thread.
         /// </remarks>
         public event ClientClosed OnClientClosed;
 
@@ -210,6 +449,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <remarks>
         /// Occurs before OnRezScript
+        /// Triggered by <see cref="TriggerNewScript"/>
+        /// in <see cref="Scene.RezScriptFromAgentInventory"/>,
+        /// <see cref="Scene.RezNewScript"/>
         /// </remarks>
         public event NewScript OnNewScript;
 
@@ -241,6 +483,12 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         /// <remarks>
         /// Triggered after the scene receives a client's upload of an updated script and has stored it in an asset.
+        /// Triggered by <see cref="TriggerUpdateScript"/>
+        /// in <see cref="Scene.CapsUpdateTaskInventoryScriptAsset"/>
+        /// via <see cref="Scene.CapsUpdateTaskInventoryScriptAsset"/>
+        /// via <see cref="OpenSim.Region.ClientStack.Linden.BunchOfCaps.TaskScriptUpdated"/>
+        /// via <see cref="OpenSim.Region.ClientStack.Linden.TaskInventoryScriptUpdater.OnUpLoad"/>
+        /// via <see cref="OpenSim.Region.ClientStack.Linden.TaskInventoryScriptUpdater.uploaderCaps"/>
         /// </remarks>
         public event UpdateScript OnUpdateScript;
         
@@ -266,48 +514,203 @@ namespace OpenSim.Region.Framework.Scenes
         } 
 
         /// <summary>
+        /// Triggered when some scene object properties change.
+        /// </summary>
+        /// <remarks>
         /// ScriptChangedEvent is fired when a scene object property that a script might be interested 
         /// in (such as color, scale or inventory) changes.  Only enough information sent is for the LSL changed event.
         /// This is not an indication that the script has changed (see OnUpdateScript for that). 
         /// This event is sent to a script to tell it that some property changed on 
         /// the object the script is in. See http://lslwiki.net/lslwiki/wakka.php?wakka=changed .
-        /// </summary>
+        /// Triggered by <see cref="TriggerOnScriptChangedEvent"/>
+        /// in <see cref="OpenSim.Region.CoreModules.Framework.EntityTransfer.EntityTransferModule.TeleportAgentWithinRegion"/>,
+        /// <see cref="SceneObjectPart.TriggerScriptChangedEvent"/>
+        /// </remarks>
         public event ScriptChangedEvent OnScriptChangedEvent;
         public delegate void ScriptChangedEvent(uint localID, uint change);
 
         public delegate void ScriptControlEvent(UUID item, UUID avatarID, uint held, uint changed);
+
+        /// <summary>
+        /// Triggered when a script receives control input from an agent.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerControlEvent"/>
+        /// in <see cref="ScenePresence.SendControlsToScripts"/>
+        /// via <see cref="ScenePresence.HandleAgentUpdate"/>
+        /// via <see cref="OpenSim.Framework.IClientAPI.OnAgentUpdate"/>
+        /// via <see cref="OpenSim.Region.ClientStack.LindenUDP.LLClientView.HandleAgentUpdate"/>
+        /// </remarks>
         public event ScriptControlEvent OnScriptControlEvent;
 
         public delegate void ScriptAtTargetEvent(uint localID, uint handle, Vector3 targetpos, Vector3 atpos);
+
+        /// <summary>
+        /// Triggered when an object has arrived within a tolerance distance
+        /// of a motion target.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerAtTargetEvent"/>
+        /// in <see cref="SceneObjectGroup.checkAtTargets"/>
+        /// via <see cref="SceneObjectGroup.ScheduleGroupForFullUpdate"/>,
+        /// <see cref="Scene.CheckAtTargets"/> via <see cref="Scene.Update"/>
+        /// </remarks>
         public event ScriptAtTargetEvent OnScriptAtTargetEvent;
 
         public delegate void ScriptNotAtTargetEvent(uint localID);
+
+        /// <summary>
+        /// Triggered when an object has a motion target but has not arrived
+        /// within a tolerance distance.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerNotAtTargetEvent"/>
+        /// in <see cref="SceneObjectGroup.checkAtTargets"/>
+        /// via <see cref="SceneObjectGroup.ScheduleGroupForFullUpdate"/>,
+        /// <see cref="Scene.CheckAtTargets"/> via <see cref="Scene.Update"/>
+        /// </remarks>
         public event ScriptNotAtTargetEvent OnScriptNotAtTargetEvent;
 
         public delegate void ScriptAtRotTargetEvent(uint localID, uint handle, Quaternion targetrot, Quaternion atrot);
+
+        /// <summary>
+        /// Triggered when an object has arrived within a tolerance rotation
+        /// of a rotation target.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerAtRotTargetEvent"/>
+        /// in <see cref="SceneObjectGroup.checkAtTargets"/>
+        /// via <see cref="SceneObjectGroup.ScheduleGroupForFullUpdate"/>,
+        /// <see cref="Scene.CheckAtTargets"/> via <see cref="Scene.Update"/>
+        /// </remarks>
         public event ScriptAtRotTargetEvent OnScriptAtRotTargetEvent;
 
         public delegate void ScriptNotAtRotTargetEvent(uint localID);
+
+        /// <summary>
+        /// Triggered when an object has a rotation target but has not arrived
+        /// within a tolerance rotation.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerNotAtRotTargetEvent"/>
+        /// in <see cref="SceneObjectGroup.checkAtTargets"/>
+        /// via <see cref="SceneObjectGroup.ScheduleGroupForFullUpdate"/>,
+        /// <see cref="Scene.CheckAtTargets"/> via <see cref="Scene.Update"/>
+        /// </remarks>
         public event ScriptNotAtRotTargetEvent OnScriptNotAtRotTargetEvent;
 
         public delegate void ScriptColliding(uint localID, ColliderArgs colliders);
+
+        /// <summary>
+        /// Triggered when a physical collision has started between a prim
+        /// and something other than the region terrain.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerScriptCollidingStart"/>
+        /// in <see cref="SceneObjectPart.SendCollisionEvent"/>
+        /// via <see cref="SceneObjectPart.PhysicsCollision"/>
+        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.OnCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.SendCollisionUpdate"/>
+        /// </remarks>
         public event ScriptColliding OnScriptColliderStart;
+
+        /// <summary>
+        /// Triggered when something that previously collided with a prim has
+        /// not stopped colliding with it.
+        /// </summary>
+        /// <remarks>
+        /// <seealso cref="OnScriptColliderStart"/>
+        /// Triggered by <see cref="TriggerScriptColliding"/>
+        /// in <see cref="SceneObjectPart.SendCollisionEvent"/>
+        /// via <see cref="SceneObjectPart.PhysicsCollision"/>
+        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.OnCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.SendCollisionUpdate"/>
+        /// </remarks>
         public event ScriptColliding OnScriptColliding;
+
+        /// <summary>
+        /// Triggered when something that previously collided with a prim has
+        /// stopped colliding with it.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerScriptCollidingEnd"/>
+        /// in <see cref="SceneObjectPart.SendCollisionEvent"/>
+        /// via <see cref="SceneObjectPart.PhysicsCollision"/>
+        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.OnCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.SendCollisionUpdate"/>
+        /// </remarks>
         public event ScriptColliding OnScriptCollidingEnd;
+
+        /// <summary>
+        /// Triggered when a physical collision has started between an object
+        /// and the region terrain.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerScriptLandCollidingStart"/>
+        /// in <see cref="SceneObjectPart.SendLandCollisionEvent"/>
+        /// via <see cref="SceneObjectPart.PhysicsCollision"/>
+        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.OnCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.SendCollisionUpdate"/>
+        /// </remarks>
         public event ScriptColliding OnScriptLandColliderStart;
+
+        /// <summary>
+        /// Triggered when an object that previously collided with the region
+        /// terrain has not yet stopped colliding with it.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerScriptLandColliding"/>
+        /// in <see cref="SceneObjectPart.SendLandCollisionEvent"/>
+        /// via <see cref="SceneObjectPart.PhysicsCollision"/>
+        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.OnCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.SendCollisionUpdate"/>
+        /// </remarks>
         public event ScriptColliding OnScriptLandColliding;
+
+        /// <summary>
+        /// Triggered when an object that previously collided with the region
+        /// terrain has stopped colliding with it.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerScriptLandCollidingEnd"/>
+        /// in <see cref="SceneObjectPart.SendLandCollisionEvent"/>
+        /// via <see cref="SceneObjectPart.PhysicsCollision"/>
+        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.OnCollisionUpdate"/>
+        /// via <see cref="OpenSim.Region.Physics.Manager.PhysicsActor.SendCollisionUpdate"/>
+        /// </remarks>
         public event ScriptColliding OnScriptLandColliderEnd;
 
         public delegate void OnMakeChildAgentDelegate(ScenePresence presence);
+
+        /// <summary>
+        /// Triggered when an agent has been made a child agent of a scene.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerOnMakeChildAgent"/>
+        /// in <see cref="ScenePresence.MakeChildAgent"/>
+        /// via <see cref="OpenSim.Region.CoreModules.Framework.EntityTransfer.EntityTransferModule.CrossAgentToNewRegionAsync"/>,
+        /// <see cref="OpenSim.Region.CoreModules.Framework.EntityTransfer.EntityTransferModule.DoTeleport"/>,
+        /// <see cref="OpenSim.Region.CoreModules.InterGrid.KillAUser.ShutdownNoLogout"/>
+        /// </remarks>
         public event OnMakeChildAgentDelegate OnMakeChildAgent;
 
         public delegate void OnSaveNewWindlightProfileDelegate();
         public delegate void OnSendNewWindlightProfileTargetedDelegate(RegionLightShareData wl, UUID user);
 
         /// <summary>
+        /// Triggered after the grunt work for adding a root agent to a
+        /// scene has been performed (resuming attachment scripts, physics,
+        /// animations etc.)
+        /// </summary>
+        /// <remarks>
         /// This event is on the critical path for transferring an avatar from one region to another.  Try and do
         /// as little work on this event as possible, or do work asynchronously.
-        /// </summary>
+        /// Triggered after <see cref="OnSetRootAgentScene"/>
+        /// by <see cref="TriggerOnMakeRootAgent"/>
+        /// in <see cref="ScenePresence.MakeRootAgent"/>
+        /// via <see cref="Scene.AgentCrossing"/>
+        /// and <see cref="ScenePresence.CompleteMovement"/>
+        /// </remarks>
         public event Action<ScenePresence> OnMakeRootAgent;
         
         public event OnSendNewWindlightProfileTargetedDelegate OnSendNewWindlightProfileTargeted;
@@ -333,9 +736,17 @@ namespace OpenSim.Region.Framework.Scenes
         public event AvatarKillData OnAvatarKilled;
         public delegate void AvatarKillData(uint KillerLocalID, ScenePresence avatar);
 
-//        public delegate void ScriptTimerEvent(uint localID, double timerinterval);
-
-//        public event ScriptTimerEvent OnScriptTimerEvent;
+        /*
+        public delegate void ScriptTimerEvent(uint localID, double timerinterval);
+        /// <summary>
+        /// Used to be triggered when the LSL timer event fires.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerTimerEvent"/>
+        /// via <see cref="SceneObjectPart.handleTimerAccounting"/>
+        /// </remarks>
+        public event ScriptTimerEvent OnScriptTimerEvent;
+         */
 
         public delegate void EstateToolsSunUpdate(ulong regionHandle, bool FixedTime, bool EstateSun, float LindenHour);
         public delegate void GetScriptRunning(IClientAPI controllingClient, UUID objectID, UUID itemID);
@@ -345,12 +756,27 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Triggered when an object is added to the scene.
         /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerObjectAddedToScene"/>
+        /// in <see cref="Scene.AddNewSceneObject"/>,
+        /// <see cref="Scene.DuplicateObject"/>,
+        /// <see cref="Scene.doObjectDuplicateOnRay"/>
+        /// </remarks>
         public event Action<SceneObjectGroup> OnObjectAddedToScene;
 
+        /// <summary>
+        /// Delegate for <see cref="OnObjectBeingRemovedFromScene"/>
+        /// </summary>
+        /// <param name="obj">The object being removed from the scene</param>
+        public delegate void ObjectBeingRemovedFromScene(SceneObjectGroup obj);
+
         /// <summary>
         /// Triggered when an object is removed from the scene.
         /// </summary>
-        public delegate void ObjectBeingRemovedFromScene(SceneObjectGroup obj);
+        /// <remarks>
+        /// Triggered by <see cref="TriggerObjectBeingRemovedFromScene"/>
+        /// in <see cref="Scene.DeleteSceneObject"/>
+        /// </remarks>
         public event ObjectBeingRemovedFromScene OnObjectBeingRemovedFromScene;
 
         public delegate void NoticeNoLandDataFromStorage();
@@ -366,6 +792,20 @@ namespace OpenSim.Region.Framework.Scenes
         public event RequestParcelPrimCountUpdate OnRequestParcelPrimCountUpdate;
 
         public delegate void ParcelPrimCountTainted();
+
+        /// <summary>
+        /// Triggered when the parcel prim count has been altered.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerParcelPrimCountTainted"/> in
+        /// <see cref="OpenSim.Region.CoreModules.Avatar.Attachments.AttachmentsModule.DetachSingleAttachmentToGround"/>,
+        /// <see cref="OpenSim.Region.CoreModules.Avatar.Attachments.AttachmentsModule.AttachToAgent"/>,
+        /// <see cref="Scene.DeleteSceneObject"/>,
+        /// <see cref="Scene.SelectPrim"/>,
+        /// <see cref="Scene.DeselectPrim"/>,
+        /// <see cref="SceneObjectGroup.UpdatePrimFlags"/>,
+        /// <see cref="SceneObjectGroup.AbsolutePosition"/>
+        /// </remarks>
         public event ParcelPrimCountTainted OnParcelPrimCountTainted;
         public event GetScriptRunning OnGetScriptRunning;
 
@@ -478,6 +918,9 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="copy"></param>
         /// <param name="original"></param>
         /// <param name="userExposed">True if the duplicate will immediately be in the scene, false otherwise</param>
+        /// <remarks>
+        /// Triggered in <see cref="OpenSim.Region.Framework.Scenes.SceneObjectPart.Copy"/>
+        /// </remarks>
         public event SceneObjectPartCopyDelegate OnSceneObjectPartCopy;
         public delegate void SceneObjectPartCopyDelegate(SceneObjectPart copy, SceneObjectPart original, bool userExposed);
 
@@ -519,9 +962,28 @@ namespace OpenSim.Region.Framework.Scenes
         public event PrimsLoaded OnPrimsLoaded;
 
         public delegate void TeleportStart(IClientAPI client, GridRegion destination, GridRegion finalDestination, uint teleportFlags, bool gridLogout);
+
+        /// <summary>
+        /// Triggered when a teleport starts
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerTeleportStart"/>
+        /// in <see cref="OpenSim.Region.CoreModules.Framework.EntityTransfer.EntityTransferModule.CreateAgent"/>
+        /// and <see cref="OpenSim.Region.CoreModules.Framework.EntityTransfer.HGEntityTransferModule.CreateAgent"/>
+        /// via <see cref="OpenSim.Region.CoreModules.Framework.EntityTransfer.EntityTransferModule.DoTeleport"/>
+        /// </remarks>
         public event TeleportStart OnTeleportStart;
 
         public delegate void TeleportFail(IClientAPI client, bool gridLogout);
+
+        /// <summary>
+        /// Trigered when a teleport fails.
+        /// </summary>
+        /// <remarks>
+        /// Triggered by <see cref="TriggerTeleportFail"/>
+        /// in <see cref="OpenSim.Region.CoreModules.Framework.EntityTransfer.EntityTransferModule.Fail"/>
+        /// via <see cref="OpenSim.Region.CoreModules.Framework.EntityTransfer.EntityTransferModule.DoTeleport"/>
+        /// </remarks>
         public event TeleportFail OnTeleportFail;
 
         public class MoneyTransferArgs : EventArgs
@@ -529,7 +991,9 @@ namespace OpenSim.Region.Framework.Scenes
             public UUID sender;
             public UUID receiver;
 
-            // Always false. The SL protocol sucks.
+            /// <summary>
+            /// Always false. The SL protocol sucks.
+            /// </summary>
             public bool authenticated = false;
 
             public int amount;
@@ -586,8 +1050,29 @@ namespace OpenSim.Region.Framework.Scenes
 
         public delegate void LandBuy(Object sender, LandBuyArgs e);
 
+        /// <summary>
+        /// Triggered when an attempt to transfer grid currency occurs
+        /// </summary>
+        /// <remarks>
+        /// Triggered in <see cref="OpenSim.Region.Framework.Scenes.Scene.ProcessMoneyTransferRequest"/>
+        /// via <see cref="OpenSim.Region.Framework.Scenes.Scene.SubscribeToClientGridEvents"/>
+        /// via <see cref="OpenSim.Region.Framework.Scenes.Scene.SubscribeToClientEvents"/>
+        /// via <see cref="OpenSim.Region.Framework.Scenes.Scene.AddNewClient"/>
+        /// </remarks>
         public event MoneyTransferEvent OnMoneyTransfer;
+
+        /// <summary>
+        /// Triggered after after <see cref="OnValidateLandBuy"/>
+        /// </summary>
         public event LandBuy OnLandBuy;
+
+        /// <summary>
+        /// Triggered to allow or prevent a real estate transaction
+        /// </summary>
+        /// <remarks>
+        /// Triggered in <see cref="OpenSim.Region.Framework.Scenes.Scene.ProcessParcelBuy"/>
+        /// <seealso cref="OpenSim.Region.OptionalModules.World.MoneyModule.SampleMoneyModule.ValidateLandBuy"/>
+        /// </remarks>
         public event LandBuy OnValidateLandBuy;
 
         public void TriggerOnAttach(uint localID, UUID itemID, UUID avatarID)
@@ -2003,7 +2488,11 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
 
-        // this lets us keep track of nasty script events like timer, etc.
+        /// <summary>
+        /// this lets us keep track of nasty script events like timer, etc.
+        /// </summary>
+        /// <param name="objLocalID"></param>
+        /// <param name="Interval"></param>
         public void TriggerTimerEvent(uint objLocalID, double Interval)
         {
             throw new NotImplementedException("TriggerTimerEvent was thought to be not used anymore and the registration for the event from scene object part has been commented out due to a memory leak");

OpenSim/Region/Framework/Scenes/Scene.Inventory.cs

@@ -93,7 +93,7 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public void StartScripts()
         {
-            m_log.InfoFormat("[SCENE]: Starting scripts in {0}, please wait.", RegionInfo.RegionName);
+//            m_log.InfoFormat("[SCENE]: Starting scripts in {0}, please wait.", RegionInfo.RegionName);
 
             IScriptModule[] engines = RequestModuleInterfaces<IScriptModule>();
 

OpenSim/Region/Framework/Scenes/Scene.PacketHandlers.cs

@@ -468,7 +468,7 @@ namespace OpenSim.Region.Framework.Scenes
             if (!InventoryService.AddFolder(folder))
             {
                 m_log.WarnFormat(
-                     "[AGENT INVENTORY]: Failed to move create folder for user {0} {1}",
+                     "[AGENT INVENTORY]: Failed to create folder for user {0} {1}",
                      remoteClient.Name, remoteClient.AgentId);
             }
         }

OpenSim/Region/Framework/Scenes/Scene.cs

@@ -79,6 +79,11 @@ namespace OpenSim.Region.Framework.Scenes
 
         public SynchronizeSceneHandler SynchronizeScene;
 
+        /// <summary>
+        /// Used to prevent simultaneous calls to RemoveClient() for the same agent from interfering with each other.
+        /// </summary>
+        private object m_removeClientLock = new object();
+
         /// <summary>
         /// Statistical information for this scene.
         /// </summary>
@@ -128,7 +133,8 @@ namespace OpenSim.Region.Framework.Scenes
         // TODO: need to figure out how allow client agents but deny
         // root agents when ACL denies access to root agent
         public bool m_strictAccessControl = true;
-        public int MaxUndoCount = 5;
+
+        public int MaxUndoCount { get; set; }
 
         // Using this for RegionReady module to prevent LoginsDisabled from changing under our feet;
         public bool LoginLock = false;
@@ -275,6 +281,31 @@ namespace OpenSim.Region.Framework.Scenes
         }
         private volatile bool m_shuttingDown;
 
+        /// <summary>
+        /// Is the scene active?
+        /// </summary>
+        /// <remarks>
+        /// If false, maintenance and update loops are not being run.  Updates can still be triggered manually if
+        /// the scene is not active.
+        /// </remarks>
+        public bool Active
+        {
+            get { return m_active; }
+            set
+            {
+                if (value)
+                {
+                    if (!m_active)
+                        Start();
+                }
+                else
+                {
+                    m_active = false;
+                }
+            }
+        }
+        private volatile bool m_active;
+
 //        private int m_lastUpdate;
 //        private bool m_firstHeartbeat = true;
         
@@ -714,6 +745,8 @@ namespace OpenSim.Region.Framework.Scenes
                 //Animation states
                 m_useFlySlow = startupConfig.GetBoolean("enableflyslow", false);
 
+                MaxUndoCount = startupConfig.GetInt("MaxPrimUndos", 20);
+
                 PhysicalPrims = startupConfig.GetBoolean("physical_prim", PhysicalPrims);
                 CollidablePrims = startupConfig.GetBoolean("collidable_prim", CollidablePrims);
 
@@ -754,13 +787,6 @@ namespace OpenSim.Region.Framework.Scenes
                 SpawnPointRouting = startupConfig.GetString("SpawnPointRouting", "closest");
                 TelehubAllowLandmarks = startupConfig.GetBoolean("TelehubAllowLandmark", false);
 
-                IConfig packetConfig = m_config.Configs["PacketPool"];
-                if (packetConfig != null)
-                {
-                    PacketPool.Instance.RecyclePackets = packetConfig.GetBoolean("RecyclePackets", true);
-                    PacketPool.Instance.RecycleDataBlocks = packetConfig.GetBoolean("RecycleDataBlocks", true);
-                }
-
                 m_strictAccessControl = startupConfig.GetBoolean("StrictAccessControl", m_strictAccessControl);
 
                 m_generateMaptiles = startupConfig.GetBoolean("GenerateMaptiles", true);
@@ -817,6 +843,8 @@ namespace OpenSim.Region.Framework.Scenes
             }
 
             // FIXME: Ultimately this should be in a module.
+            SendPeriodicAppearanceUpdates = true;
+            
             IConfig appearanceConfig = m_config.Configs["Appearance"];
             if (appearanceConfig != null)
             {
@@ -1112,6 +1140,14 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void SetSceneCoreDebug(Dictionary<string, string> options)
         {
+            if (options.ContainsKey("active"))
+            {
+                bool active;
+
+                if (bool.TryParse(options["active"], out active))
+                    Active = active;
+            }
+
             if (options.ContainsKey("scripting"))
             {
                 bool enableScripts = true;
@@ -1251,6 +1287,8 @@ namespace OpenSim.Region.Framework.Scenes
         /// </summary>
         public void Start()
         {
+            m_active = true;
+
 //            m_log.DebugFormat("[SCENE]: Starting Heartbeat timer for {0}", RegionInfo.RegionName);
 
             //m_heartbeatTimer.Enabled = true;
@@ -1292,7 +1330,7 @@ namespace OpenSim.Region.Framework.Scenes
         #region Update Methods
 
         /// <summary>
-        /// Performs per-frame updates regularly
+        /// Activate the various loops necessary to continually update the scene.
         /// </summary>
         private void Heartbeat()
         {
@@ -1349,7 +1387,7 @@ namespace OpenSim.Region.Framework.Scenes
             List<Vector3> coarseLocations;
             List<UUID> avatarUUIDs;
 
-            while (!m_shuttingDown && (endRun == null || MaintenanceRun < endRun))
+            while (!m_shuttingDown && ((endRun == null && Active) || MaintenanceRun < endRun))
             {
                 runtc = Util.EnvironmentTickCount();
                 ++MaintenanceRun;
@@ -1408,7 +1446,7 @@ namespace OpenSim.Region.Framework.Scenes
             int previousFrameTick, tmpMS;
             int maintc = Util.EnvironmentTickCount();
 
-            while (!m_shuttingDown && (endFrame == null || Frame < endFrame))
+            while (!m_shuttingDown && ((endFrame == null && Active) || Frame < endFrame))
             {
                 ++Frame;
 
@@ -2660,69 +2698,89 @@ namespace OpenSim.Region.Framework.Scenes
 
         public override ISceneAgent AddNewClient(IClientAPI client, PresenceType type)
         {
+            ScenePresence sp;
+            bool vialogin;
+
             // Validation occurs in LLUDPServer
+            //
+            // XXX: A race condition exists here where two simultaneous calls to AddNewClient can interfere with
+            // each other.  In practice, this does not currently occur in the code.
             AgentCircuitData aCircuit = m_authenticateHandler.GetAgentCircuitData(client.CircuitCode);
 
-            bool vialogin
-                = (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaHGLogin) != 0
-                    || (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaLogin) != 0;
-
-//            CheckHeartbeat();
-
-            ScenePresence sp = GetScenePresence(client.AgentId);
-
-            // XXX: Not sure how good it is to add a new client if a scene presence already exists.  Possibly this
-            // could occur if a viewer crashes and relogs before the old client is kicked out.  But this could cause
-            // other problems, and possible the code calling AddNewClient() should ensure that no client is already
-            // connected.
-            if (sp == null)
+            // We lock here on AgentCircuitData to prevent a race condition between the thread adding a new connection
+            // and a simultaneous one that removes it (as can happen if the client is closed at a particular point
+            // whilst connecting).
+            //
+            // It would be easier to lock across all NewUserConnection(), AddNewClient() and
+            // RemoveClient() calls for all agents, but this would allow a slow call (e.g. because of slow service
+            // response in some module listening to AddNewClient()) from holding up unrelated agent calls.
+            //
+            // In practice, the lock (this) in LLUDPServer.AddNewClient() currently lock across all
+            // AddNewClient() operations (though not other ops).
+            // In the future this can be relieved once locking per agent (not necessarily on AgentCircuitData) is improved.
+            lock (aCircuit)
             {
-                m_log.DebugFormat(
-                    "[SCENE]: Adding new child scene presence {0} {1} to scene {2} at pos {3}",
-                    client.Name, client.AgentId, RegionInfo.RegionName, client.StartPos);
+                vialogin
+                    = (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaHGLogin) != 0
+                        || (aCircuit.teleportFlags & (uint)Constants.TeleportFlags.ViaLogin) != 0;
+    
+    //            CheckHeartbeat();
+    
+                sp = GetScenePresence(client.AgentId);
 
-                m_clientManager.Add(client);
-                SubscribeToClientEvents(client);
-
-                sp = m_sceneGraph.CreateAndAddChildScenePresence(client, aCircuit.Appearance, type);
-                m_eventManager.TriggerOnNewPresence(sp);
-
-                sp.TeleportFlags = (TPFlags)aCircuit.teleportFlags;
-
-                // The first agent upon login is a root agent by design.
-                // For this agent we will have to rez the attachments.
-                // All other AddNewClient calls find aCircuit.child to be true.
-                if (aCircuit.child == false)
+                // XXX: Not sure how good it is to add a new client if a scene presence already exists.  Possibly this
+                // could occur if a viewer crashes and relogs before the old client is kicked out.  But this could cause
+                // other problems, and possible the code calling AddNewClient() should ensure that no client is already
+                // connected.
+                if (sp == null)
                 {
-                    // We have to set SP to be a root agent here so that SP.MakeRootAgent() will later not try to
-                    // start the scripts again (since this is done in RezAttachments()).
-                    // XXX: This is convoluted.
-                    sp.IsChildAgent = false;
-
-                    if (AttachmentsModule != null)
-                        Util.FireAndForget(delegate(object o) { AttachmentsModule.RezAttachments(sp); });
+                    m_log.DebugFormat(
+                        "[SCENE]: Adding new child scene presence {0} {1} to scene {2} at pos {3}",
+                        client.Name, client.AgentId, RegionInfo.RegionName, client.StartPos);
+    
+                    m_clientManager.Add(client);
+                    SubscribeToClientEvents(client);
+    
+                    sp = m_sceneGraph.CreateAndAddChildScenePresence(client, aCircuit.Appearance, type);
+                    m_eventManager.TriggerOnNewPresence(sp);
+    
+                    sp.TeleportFlags = (TPFlags)aCircuit.teleportFlags;
+    
+                    // The first agent upon login is a root agent by design.
+                    // For this agent we will have to rez the attachments.
+                    // All other AddNewClient calls find aCircuit.child to be true.
+                    if (aCircuit.child == false)
+                    {
+                        // We have to set SP to be a root agent here so that SP.MakeRootAgent() will later not try to
+                        // start the scripts again (since this is done in RezAttachments()).
+                        // XXX: This is convoluted.
+                        sp.IsChildAgent = false;
+    
+                        if (AttachmentsModule != null)
+                            Util.FireAndForget(delegate(object o) { AttachmentsModule.RezAttachments(sp); });
+                    }
                 }
-            }
-            else
-            {
-                m_log.WarnFormat(
-                    "[SCENE]: Already found {0} scene presence for {1} in {2} when asked to add new scene presence",
-                    sp.IsChildAgent ? "child" : "root", sp.Name, RegionInfo.RegionName);
-            }
+                else
+                {
+                    m_log.WarnFormat(
+                        "[SCENE]: Already found {0} scene presence for {1} in {2} when asked to add new scene presence",
+                        sp.IsChildAgent ? "child" : "root", sp.Name, RegionInfo.RegionName);
+                }
+    
+                // We must set this here so that TriggerOnNewClient and TriggerOnClientLogin can determine whether the
+                // client is for a root or child agent.
+                client.SceneAgent = sp;
 
-            // We must set this here so that TriggerOnNewClient and TriggerOnClientLogin can determine whether the
-            // client is for a root or child agent.
-            client.SceneAgent = sp;
+                // Cache the user's name
+                CacheUserName(sp, aCircuit);
+    
+                EventManager.TriggerOnNewClient(client);
+                if (vialogin)
+                    EventManager.TriggerOnClientLogin(client);
+            }
 
             m_LastLogin = Util.EnvironmentTickCount();
 
-            // Cache the user's name
-            CacheUserName(sp, aCircuit);
-
-            EventManager.TriggerOnNewClient(client);
-            if (vialogin)
-                EventManager.TriggerOnClientLogin(client);
-
             return sp;
         }
 
@@ -3251,109 +3309,129 @@ namespace OpenSim.Region.Framework.Scenes
         {
 //            CheckHeartbeat();
             bool isChildAgent = false;
-            ScenePresence avatar = GetScenePresence(agentID);
+            AgentCircuitData acd;
 
-            if (avatar == null)
+            lock (m_removeClientLock)
             {
-                m_log.WarnFormat(
-                    "[SCENE]: Called RemoveClient() with agent ID {0} but no such presence is in the scene.", agentID);
+                acd = m_authenticateHandler.GetAgentCircuitData(agentID);
 
-                return;
+                if (acd == null)
+                {
+                    m_log.ErrorFormat("[SCENE]: No agent circuit found for {0}, aborting Scene.RemoveClient", agentID);
+                    return;
+                }
+                else
+                {
+                    // We remove the acd up here to avoid later raec conditions if two RemoveClient() calls occurred
+                    // simultaneously.
+                    m_authenticateHandler.RemoveCircuit(acd.circuitcode);
+                }
             }
 
-            try
+            lock (acd)
             {
-                isChildAgent = avatar.IsChildAgent;
-
-                m_log.DebugFormat(
-                    "[SCENE]: Removing {0} agent {1} {2} from {3}",
-                    (isChildAgent ? "child" : "root"), avatar.Name, agentID, RegionInfo.RegionName);
-
-                // Don't do this to root agents, it's not nice for the viewer
-                if (closeChildAgents && isChildAgent)
+                ScenePresence avatar = GetScenePresence(agentID);
+    
+                if (avatar == null)
                 {
-                    // Tell a single agent to disconnect from the region.
-                    IEventQueue eq = RequestModuleInterface<IEventQueue>();
-                    if (eq != null)
-                    {
-                        eq.DisableSimulator(RegionInfo.RegionHandle, avatar.UUID);
-                    }
-                    else
-                    {
-                        avatar.ControllingClient.SendShutdownConnectionNotice();
-                    }
+                    m_log.WarnFormat(
+                        "[SCENE]: Called RemoveClient() with agent ID {0} but no such presence is in the scene.", agentID);
+    
+                    return;
                 }
-
-                // Only applies to root agents.
-                if (avatar.ParentID != 0)
-                {
-                    avatar.StandUp();
-                }
-
-                m_sceneGraph.removeUserCount(!isChildAgent);
-
-                // TODO: We shouldn't use closeChildAgents here - it's being used by the NPC module to stop
-                // unnecessary operations.  This should go away once NPCs have no accompanying IClientAPI
-                if (closeChildAgents && CapsModule != null)
-                    CapsModule.RemoveCaps(agentID);
-
-                // REFACTORING PROBLEM -- well not really a problem, but just to point out that whatever
-                // this method is doing is HORRIBLE!!!
-                avatar.Scene.NeedSceneCacheClear(avatar.UUID);
-
-                if (closeChildAgents && !isChildAgent)
-                {
-                    List<ulong> regions = avatar.KnownRegionHandles;
-                    regions.Remove(RegionInfo.RegionHandle);
-                    m_sceneGridService.SendCloseChildAgentConnections(agentID, regions);
-                }
-
-                m_eventManager.TriggerClientClosed(agentID, this);
-                m_eventManager.TriggerOnRemovePresence(agentID);
-
-                if (!isChildAgent)
-                {
-                    if (AttachmentsModule != null)
-                    {
-                        AttachmentsModule.DeRezAttachments(avatar);
-                    }
-
-                    ForEachClient(
-                        delegate(IClientAPI client)
-                        {
-                            //We can safely ignore null reference exceptions.  It means the avatar is dead and cleaned up anyway
-                            try { client.SendKillObject(avatar.RegionHandle, new List<uint> { avatar.LocalId }); }
-                            catch (NullReferenceException) { }
-                        });
-                }
-
-                // It's possible for child agents to have transactions if changes are being made cross-border.
-                if (AgentTransactionsModule != null)
-                    AgentTransactionsModule.RemoveAgentAssetTransactions(agentID);
-
-                m_authenticateHandler.RemoveCircuit(avatar.ControllingClient.CircuitCode);
-            }
-            catch (Exception e)
-            {
-                m_log.Error(
-                    string.Format("[SCENE]: Exception removing {0} from {1}.  Cleaning up.  Exception ", avatar.Name, Name), e);
-            }
-            finally
-            {
+    
                 try
                 {
-                    // Always clean these structures up so that any failure above doesn't cause them to remain in the
-                    // scene with possibly bad effects (e.g. continually timing out on unacked packets and triggering
-                    // the same cleanup exception continually.
-                    m_sceneGraph.RemoveScenePresence(agentID);
-                    m_clientManager.Remove(agentID);
+                    isChildAgent = avatar.IsChildAgent;
+
+                    m_log.DebugFormat(
+                        "[SCENE]: Removing {0} agent {1} {2} from {3}",
+                        (isChildAgent ? "child" : "root"), avatar.Name, agentID, RegionInfo.RegionName);
     
-                    avatar.Close();
+                    // Don't do this to root agents, it's not nice for the viewer
+                    if (closeChildAgents && isChildAgent)
+                    {
+                        // Tell a single agent to disconnect from the region.
+                        IEventQueue eq = RequestModuleInterface<IEventQueue>();
+                        if (eq != null)
+                        {
+                            eq.DisableSimulator(RegionInfo.RegionHandle, avatar.UUID);
+                        }
+                        else
+                        {
+                            avatar.ControllingClient.SendShutdownConnectionNotice();
+                        }
+                    }
+    
+                    // Only applies to root agents.
+                    if (avatar.ParentID != 0)
+                    {
+                        avatar.StandUp();
+                    }
+    
+                    m_sceneGraph.removeUserCount(!isChildAgent);
+    
+                    // TODO: We shouldn't use closeChildAgents here - it's being used by the NPC module to stop
+                    // unnecessary operations.  This should go away once NPCs have no accompanying IClientAPI
+                    if (closeChildAgents && CapsModule != null)
+                        CapsModule.RemoveCaps(agentID);
+    
+                    // REFACTORING PROBLEM -- well not really a problem, but just to point out that whatever
+                    // this method is doing is HORRIBLE!!!
+                    avatar.Scene.NeedSceneCacheClear(avatar.UUID);
+    
+                    if (closeChildAgents && !isChildAgent)
+                    {
+                        List<ulong> regions = avatar.KnownRegionHandles;
+                        regions.Remove(RegionInfo.RegionHandle);
+                        m_sceneGridService.SendCloseChildAgentConnections(agentID, regions);
+                    }
+    
+                    m_eventManager.TriggerClientClosed(agentID, this);
+                    m_eventManager.TriggerOnRemovePresence(agentID);
+    
+                    if (!isChildAgent)
+                    {
+                        if (AttachmentsModule != null)
+                        {
+                            AttachmentsModule.DeRezAttachments(avatar);
+                        }
+
+                        ForEachClient(
+                            delegate(IClientAPI client)
+                            {
+                                //We can safely ignore null reference exceptions.  It means the avatar is dead and cleaned up anyway
+                                try { client.SendKillObject(avatar.RegionHandle, new List<uint> { avatar.LocalId }); }
+                                catch (NullReferenceException) { }
+                            });
+                    }
+    
+                    // It's possible for child agents to have transactions if changes are being made cross-border.
+                    if (AgentTransactionsModule != null)
+                        AgentTransactionsModule.RemoveAgentAssetTransactions(agentID);
                 }
                 catch (Exception e)
                 {
                     m_log.Error(
-                        string.Format("[SCENE]: Exception in final clean up of {0} in {1}.  Exception ", avatar.Name, Name), e);
+                        string.Format("[SCENE]: Exception removing {0} from {1}.  Cleaning up.  Exception ", avatar.Name, Name), e);
+                }
+                finally
+                {
+                    try
+                    {
+                        // Always clean these structures up so that any failure above doesn't cause them to remain in the
+                        // scene with possibly bad effects (e.g. continually timing out on unacked packets and triggering
+                        // the same cleanup exception continually.
+                        m_sceneGraph.RemoveScenePresence(agentID);
+                        m_clientManager.Remove(agentID);
+        
+                        avatar.Close();
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.Error(
+                            string.Format("[SCENE]: Exception in final clean up of {0} in {1}.  Exception ", avatar.Name, Name), e);
+                    }
                 }
             }
 
@@ -3412,11 +3490,9 @@ namespace OpenSim.Region.Framework.Scenes
 
         /// <summary>
         /// Do the work necessary to initiate a new user connection for a particular scene.
-        /// At the moment, this consists of setting up the caps infrastructure
-        /// The return bool should allow for connections to be refused, but as not all calling paths
-        /// take proper notice of it let, we allowed banned users in still.
         /// </summary>
         /// <param name="agent">CircuitData of the agent who is connecting</param>
+        /// <param name="teleportFlags"></param>
         /// <param name="reason">Outputs the reason for the false response on this string</param>
         /// <returns>True if the region accepts this agent.  False if it does not.  False will 
         /// also return a reason.</returns>
@@ -3427,10 +3503,20 @@ namespace OpenSim.Region.Framework.Scenes
 
         /// <summary>
         /// Do the work necessary to initiate a new user connection for a particular scene.
-        /// At the moment, this consists of setting up the caps infrastructure
+        /// </summary>
+        /// <remarks>
+        /// The return bool should allow for connections to be refused, but as not all calling paths
+        /// take proper notice of it yet, we still allowed banned users in.
+        ///
+        /// At the moment this method consists of setting up the caps infrastructure
         /// The return bool should allow for connections to be refused, but as not all calling paths
         /// take proper notice of it let, we allowed banned users in still.
-        /// </summary>
+        ///
+        /// This method is called by the login service (in the case of login) or another simulator (in the case of region
+        /// cross or teleport) to initiate the connection.  It is not triggered by the viewer itself - the connection
+        /// is activated later when the viewer sends the initial UseCircuitCodePacket UDP packet (in the case of
+        /// the LLUDP stack).
+        /// </remarks>
         /// <param name="agent">CircuitData of the agent who is connecting</param>
         /// <param name="reason">Outputs the reason for the false response on this string</param>
         /// <param name="requirePresenceLookup">True for normal presence. False for NPC
@@ -3515,88 +3601,97 @@ namespace OpenSim.Region.Framework.Scenes
                     agent.firstname, agent.lastname, agent.Viewer);
                 reason = "Access denied, your viewer is banned by the region owner";
                 return false;
-            }           
-
-
-            ScenePresence sp = GetScenePresence(agent.AgentID);
-
-            if (sp != null && !sp.IsChildAgent)
-            {
-                // We have a zombie from a crashed session. 
-                // Or the same user is trying to be root twice here, won't work.
-                // Kill it.
-                m_log.WarnFormat(
-                    "[SCENE]: Existing root scene presence detected for {0} {1} in {2} when connecting.  Removing existing presence.",
-                    sp.Name, sp.UUID, RegionInfo.RegionName);
-
-                sp.ControllingClient.Close();
-                sp = null;
             }
 
-            ILandObject land = LandChannel.GetLandObject(agent.startpos.X, agent.startpos.Y);
+            ILandObject land;
 
-            //On login test land permisions
-            if (vialogin)
+            lock (agent)
             {
-                if (land != null && !TestLandRestrictions(agent, land, out reason))
+                ScenePresence sp = GetScenePresence(agent.AgentID);
+    
+                if (sp != null && !sp.IsChildAgent)
                 {
-                    return false;
+                    // We have a zombie from a crashed session. 
+                    // Or the same user is trying to be root twice here, won't work.
+                    // Kill it.
+                    m_log.WarnFormat(
+                        "[SCENE]: Existing root scene presence detected for {0} {1} in {2} when connecting.  Removing existing presence.",
+                        sp.Name, sp.UUID, RegionInfo.RegionName);
+    
+                    sp.ControllingClient.Close(true);
+                    sp = null;
                 }
-            }
-
-            if (sp == null) // We don't have an [child] agent here already
-            {
-                if (requirePresenceLookup)
+    
+                land = LandChannel.GetLandObject(agent.startpos.X, agent.startpos.Y);
+    
+                //On login test land permisions
+                if (vialogin)
                 {
-                    try
+                    if (land != null && !TestLandRestrictions(agent, land, out reason))
                     {
-                        if (!VerifyUserPresence(agent, out reason))
-                            return false;
-                    } catch (Exception e)
-                    {
-                        m_log.ErrorFormat(
-                            "[SCENE]: Exception verifying presence {0}{1}", e.Message, e.StackTrace);
                         return false;
                     }
                 }
-
-                try
+    
+                if (sp == null) // We don't have an [child] agent here already
                 {
-                    if (!AuthorizeUser(agent, out reason))
+                    if (requirePresenceLookup)
+                    {
+                        try
+                        {
+                            if (!VerifyUserPresence(agent, out reason))
+                                return false;
+                        }
+                        catch (Exception e)
+                        {
+                            m_log.ErrorFormat(
+                                "[SCENE]: Exception verifying presence {0}{1}", e.Message, e.StackTrace);
+
+                            return false;
+                        }
+                    }
+    
+                    try
+                    {
+                        if (!AuthorizeUser(agent, out reason))
+                            return false;
+                    }
+                    catch (Exception e)
+                    {
+                        m_log.ErrorFormat(
+                            "[SCENE]: Exception authorizing user {0}{1}", e.Message, e.StackTrace);
+
                         return false;
-                } catch (Exception e)
-                {
-                    m_log.ErrorFormat(
-                        "[SCENE]: Exception authorizing user {0}{1}", e.Message, e.StackTrace);
-                    return false;
-                }
-
-                m_log.InfoFormat(
-                    "[SCENE]: Region {0} authenticated and authorized incoming {1} agent {2} {3} {4} (circuit code {5})",
-                    RegionInfo.RegionName, (agent.child ? "child" : "root"), agent.firstname, agent.lastname,
-                    agent.AgentID, agent.circuitcode);
-
-                if (CapsModule != null)
-                {
-                    CapsModule.SetAgentCapsSeeds(agent);
-                    CapsModule.CreateCaps(agent.AgentID);
-                }
-            } else
-            {
-                // Let the SP know how we got here. This has a lot of interesting
-                // uses down the line.
-                sp.TeleportFlags = (TPFlags)teleportFlags;
-
-                if (sp.IsChildAgent)
-                {
-                    m_log.DebugFormat(
-                        "[SCENE]: Adjusting known seeds for existing agent {0} in {1}",
-                        agent.AgentID, RegionInfo.RegionName);
-
-                    sp.AdjustKnownSeeds();
-                    
+                    }
+    
+                    m_log.InfoFormat(
+                        "[SCENE]: Region {0} authenticated and authorized incoming {1} agent {2} {3} {4} (circuit code {5})",
+                        RegionInfo.RegionName, (agent.child ? "child" : "root"), agent.firstname, agent.lastname,
+                        agent.AgentID, agent.circuitcode);
+    
                     if (CapsModule != null)
+                    {
                         CapsModule.SetAgentCapsSeeds(agent);
+                        CapsModule.CreateCaps(agent.AgentID);
+                    }
+                }
+                else
+                {
+                    // Let the SP know how we got here. This has a lot of interesting
+                    // uses down the line.
+                    sp.TeleportFlags = (TPFlags)teleportFlags;
+    
+                    if (sp.IsChildAgent)
+                    {
+                        m_log.DebugFormat(
+                            "[SCENE]: Adjusting known seeds for existing agent {0} in {1}",
+                            agent.AgentID, RegionInfo.RegionName);
+    
+                        sp.AdjustKnownSeeds();
+                        
+                        if (CapsModule != null)
+                            CapsModule.SetAgentCapsSeeds(agent);
+                    }
                 }
             }
 
@@ -3998,8 +4093,9 @@ namespace OpenSim.Region.Framework.Scenes
                 return false;
             }
 
-            // We have to wait until the viewer contacts this region after receiving EAC.
-            // That calls AddNewClient, which finally creates the ScenePresence
+            // We have to wait until the viewer contacts this region
+            // after receiving the EnableSimulator HTTP Event Queue message.  This triggers the viewer to send
+            // a UseCircuitCode packet which in turn calls AddNewClient which finally creates the ScenePresence.
             ScenePresence childAgentUpdate = WaitGetScenePresence(cAgentData.AgentID);
 
             if (childAgentUpdate != null)
@@ -4083,16 +4179,19 @@ namespace OpenSim.Region.Framework.Scenes
         /// <summary>
         /// Tell a single agent to disconnect from the region.
         /// </summary>
-        /// <param name="regionHandle"></param>
         /// <param name="agentID"></param>
-        public bool IncomingCloseAgent(UUID agentID)
+        /// <param name="force">
+        /// Force the agent to close even if it might be in the middle of some other operation.  You do not want to
+        /// force unless you are absolutely sure that the agent is dead and a normal close is not working.
+        /// </param>
+        public bool IncomingCloseAgent(UUID agentID, bool force)
         {
             //m_log.DebugFormat("[SCENE]: Processing incoming close agent for {0}", agentID);
 
             ScenePresence presence = m_sceneGraph.GetScenePresence(agentID);
             if (presence != null)
             {
-                presence.ControllingClient.Close();
+                presence.ControllingClient.Close(force);
                 return true;
             }
 
@@ -4545,6 +4644,18 @@ namespace OpenSim.Region.Framework.Scenes
             return m_sceneGraph.GetSceneObjectGroup(name);
         }
 
+        /// <summary>
+        /// Attempt to get the SOG via its UUID
+        /// </summary>
+        /// <param name="fullID"></param>
+        /// <param name="sog"></param>
+        /// <returns></returns>
+        public bool TryGetSceneObjectGroup(UUID fullID, out SceneObjectGroup sog)
+        {
+            sog = GetSceneObjectGroup(fullID);
+            return sog != null;
+        }
+
         /// <summary>
         /// Get a prim by name from the scene (will return the first
         /// found, if there are more than one prim with the same name)
@@ -4576,6 +4687,18 @@ namespace OpenSim.Region.Framework.Scenes
             return m_sceneGraph.GetSceneObjectPart(fullID);
         }
 
+        /// <summary>
+        /// Attempt to get a prim via its UUID
+        /// </summary>
+        /// <param name="fullID"></param>
+        /// <param name="sop"></param>
+        /// <returns></returns>
+        public bool TryGetSceneObjectPart(UUID fullID, out SceneObjectPart sop)
+        {
+            sop = GetSceneObjectPart(fullID);
+            return sop != null;
+        }
+
         /// <summary>
         /// Get a scene object group that contains the prim with the given local id
         /// </summary>

OpenSim/Region/Framework/Scenes/SceneGraph.cs

@@ -300,7 +300,7 @@ namespace OpenSim.Region.Framework.Scenes
         public bool AddNewSceneObject(
             SceneObjectGroup sceneObject, bool attachToBackup, Vector3? pos, Quaternion? rot, Vector3 vel)
         {
-            AddNewSceneObject(sceneObject, true, false);
+            AddNewSceneObject(sceneObject, attachToBackup, false);
 
             if (pos != null)
                 sceneObject.AbsolutePosition = (Vector3)pos;

OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs

@@ -1119,14 +1119,6 @@ namespace OpenSim.Region.Framework.Scenes
                 parts[i].UUID = UUID.Random();
         }
 
-        // helper provided for parts.
-        public int GetSceneMaxUndo()
-        {
-            if (m_scene != null)
-                return m_scene.MaxUndoCount;
-            return 5;
-        }
-
         // justincc: I don't believe this hack is needed any longer, especially since the physics
         // parts of set AbsolutePosition were already commented out.  By changing HasGroupChanged to false
         // this method was preventing proper reload of scene objects.
@@ -2674,27 +2666,23 @@ namespace OpenSim.Region.Framework.Scenes
 
             RootPart.StoreUndoState(true);
 
-            scale.X = Math.Min(scale.X, Scene.m_maxNonphys);
-            scale.Y = Math.Min(scale.Y, Scene.m_maxNonphys);
-            scale.Z = Math.Min(scale.Z, Scene.m_maxNonphys);
-
-            PhysicsActor pa = m_rootPart.PhysActor;
-
-            if (pa != null && pa.IsPhysical)
+            if (Scene != null)
             {
                 scale.X = Math.Min(scale.X, Scene.m_maxPhys);
                 scale.Y = Math.Min(scale.Y, Scene.m_maxPhys);
                 scale.Z = Math.Min(scale.Z, Scene.m_maxPhys);
             }
 
+            PhysicsActor pa = m_rootPart.PhysActor;
+
             float x = (scale.X / RootPart.Scale.X);
             float y = (scale.Y / RootPart.Scale.Y);
             float z = (scale.Z / RootPart.Scale.Z);
 
-            SceneObjectPart[] parts;
-            if (x > 1.0f || y > 1.0f || z > 1.0f)
+            SceneObjectPart[] parts = m_parts.GetArray();
+
+            if (Scene != null & (x > 1.0f || y > 1.0f || z > 1.0f))
             {
-                parts = m_parts.GetArray();
                 for (int i = 0; i < parts.Length; i++)
                 {
                     SceneObjectPart obPart = parts[i];
@@ -2708,7 +2696,7 @@ namespace OpenSim.Region.Framework.Scenes
 
                         if (pa != null && pa.IsPhysical)
                         {
-                            if (oldSize.X * x > m_scene.m_maxPhys)
+                            if (oldSize.X * x > Scene.m_maxPhys)
                             {
                                 f = m_scene.m_maxPhys / oldSize.X;
                                 a = f / x;
@@ -2717,7 +2705,7 @@ namespace OpenSim.Region.Framework.Scenes
                                 z *= a;
                             }
 
-                            if (oldSize.Y * y > m_scene.m_maxPhys)
+                            if (oldSize.Y * y > Scene.m_maxPhys)
                             {
                                 f = m_scene.m_maxPhys / oldSize.Y;
                                 a = f / y;
@@ -2726,7 +2714,7 @@ namespace OpenSim.Region.Framework.Scenes
                                 z *= a;
                             }
 
-                            if (oldSize.Z * z > m_scene.m_maxPhys)
+                            if (oldSize.Z * z > Scene.m_maxPhys)
                             {
                                 f = m_scene.m_maxPhys / oldSize.Z;
                                 a = f / z;
@@ -2737,7 +2725,7 @@ namespace OpenSim.Region.Framework.Scenes
                         }
                         else
                         {
-                            if (oldSize.X * x > m_scene.m_maxNonphys)
+                            if (oldSize.X * x > Scene.m_maxNonphys)
                             {
                                 f = m_scene.m_maxNonphys / oldSize.X;
                                 a = f / x;
@@ -2746,7 +2734,7 @@ namespace OpenSim.Region.Framework.Scenes
                                 z *= a;
                             }
 
-                            if (oldSize.Y * y > m_scene.m_maxNonphys)
+                            if (oldSize.Y * y > Scene.m_maxNonphys)
                             {
                                 f = m_scene.m_maxNonphys / oldSize.Y;
                                 a = f / y;
@@ -2755,7 +2743,7 @@ namespace OpenSim.Region.Framework.Scenes
                                 z *= a;
                             }
 
-                            if (oldSize.Z * z > m_scene.m_maxNonphys)
+                            if (oldSize.Z * z > Scene.m_maxNonphys)
                             {
                                 f = m_scene.m_maxNonphys / oldSize.Z;
                                 a = f / z;
@@ -2779,7 +2767,6 @@ namespace OpenSim.Region.Framework.Scenes
             RootPart.Resize(prevScale);
 //            RootPart.IgnoreUndoUpdate = false;
 
-            parts = m_parts.GetArray();
             for (int i = 0; i < parts.Length; i++)
             {
                 SceneObjectPart obPart = parts[i];

OpenSim/Region/Framework/Scenes/SceneObjectPart.cs

@@ -266,8 +266,8 @@ namespace OpenSim.Region.Framework.Scenes
         private string m_sitAnimation = "SIT";
         private string m_text = String.Empty;
         private string m_touchName = String.Empty;
-        private readonly Stack<UndoState> m_undo = new Stack<UndoState>(5);
-        private readonly Stack<UndoState> m_redo = new Stack<UndoState>(5);
+        private readonly List<UndoState> m_undo = new List<UndoState>(5);
+        private readonly List<UndoState> m_redo = new List<UndoState>(5);
 
         private bool m_passTouches = false;
         private bool m_passCollisions = false;
@@ -733,7 +733,7 @@ namespace OpenSim.Region.Framework.Scenes
                     }
                     catch (Exception e)
                     {
-                        m_log.Error("[SCENEOBJECTPART]: GROUP POSITION. " + e.Message);
+                        m_log.ErrorFormat("[SCENEOBJECTPART]: GROUP POSITION. {0}", e);
                     }
                 }
                 
@@ -2368,17 +2368,20 @@ namespace OpenSim.Region.Framework.Scenes
         /// <param name="scale"></param>
         public void Resize(Vector3 scale)
         {
-            scale.X = Math.Min(scale.X, ParentGroup.Scene.m_maxNonphys);
-            scale.Y = Math.Min(scale.Y, ParentGroup.Scene.m_maxNonphys);
-            scale.Z = Math.Min(scale.Z, ParentGroup.Scene.m_maxNonphys);
+            if (ParentGroup.Scene != null)
+            {            
+                scale.X = Math.Min(scale.X, ParentGroup.Scene.m_maxNonphys);
+                scale.Y = Math.Min(scale.Y, ParentGroup.Scene.m_maxNonphys);
+                scale.Z = Math.Min(scale.Z, ParentGroup.Scene.m_maxNonphys);
 
-            PhysicsActor pa = PhysActor;
+                PhysicsActor pa = PhysActor;
 
-            if (pa != null && pa.IsPhysical)
-            {
-                scale.X = Math.Min(scale.X, ParentGroup.Scene.m_maxPhys);
-                scale.Y = Math.Min(scale.Y, ParentGroup.Scene.m_maxPhys);
-                scale.Z = Math.Min(scale.Z, ParentGroup.Scene.m_maxPhys);
+                if (pa != null && pa.IsPhysical)
+                {
+                    scale.X = Math.Min(scale.X, ParentGroup.Scene.m_maxPhys);
+                    scale.Y = Math.Min(scale.Y, ParentGroup.Scene.m_maxPhys);
+                    scale.Z = Math.Min(scale.Z, ParentGroup.Scene.m_maxPhys);
+                }
             }
 
 //            m_log.DebugFormat("[SCENE OBJECT PART]: Resizing {0} {1} to {2}", Name, LocalId, scale);
@@ -3150,61 +3153,62 @@ namespace OpenSim.Region.Framework.Scenes
 
         public void StoreUndoState(bool forGroup)
         {
-            if (!Undoing)
+            if (ParentGroup == null || ParentGroup.Scene == null)
+                return;
+
+            if (Undoing)
             {
-                if (!IgnoreUndoUpdate)
+//                m_log.DebugFormat(
+//                    "[SCENE OBJECT PART]: Ignoring undo store for {0} {1} since already undoing", Name, LocalId);
+                return;
+            }
+
+            if (IgnoreUndoUpdate)
+            {
+//                    m_log.DebugFormat("[SCENE OBJECT PART]: Ignoring undo store for {0} {1}", Name, LocalId);
+                return;
+            }
+
+            lock (m_undo)
+            {
+                if (m_undo.Count > 0)
                 {
-                    if (ParentGroup != null)
+                    UndoState last = m_undo[m_undo.Count - 1];
+                    if (last != null)
                     {
-                        lock (m_undo)
+                        // TODO: May need to fix for group comparison
+                        if (last.Compare(this))
                         {
-                            if (m_undo.Count > 0)
-                            {
-                                UndoState last = m_undo.Peek();
-                                if (last != null)
-                                {
-                                    // TODO: May need to fix for group comparison
-                                    if (last.Compare(this))
-                                    {
-    //                                        m_log.DebugFormat(
-    //                                            "[SCENE OBJECT PART]: Not storing undo for {0} {1} since current state is same as last undo state, initial stack size {2}",
-    //                                            Name, LocalId, m_undo.Count);
-    
-                                        return;
-                                    }
-                                }
-                            }
-    
-    //                            m_log.DebugFormat(
-    //                                "[SCENE OBJECT PART]: Storing undo state for {0} {1}, forGroup {2}, initial stack size {3}",
-    //                                Name, LocalId, forGroup, m_undo.Count);
-    
-                            if (ParentGroup.GetSceneMaxUndo() > 0)
-                            {
-                                UndoState nUndo = new UndoState(this, forGroup);
-    
-                                m_undo.Push(nUndo);
-    
-                                if (m_redo.Count > 0)
-                                    m_redo.Clear();
-    
-    //                                m_log.DebugFormat(
-    //                                    "[SCENE OBJECT PART]: Stored undo state for {0} {1}, forGroup {2}, stack size now {3}",
-    //                                    Name, LocalId, forGroup, m_undo.Count);
-                            }
+//                                        m_log.DebugFormat(
+//                                            "[SCENE OBJECT PART]: Not storing undo for {0} {1} since current state is same as last undo state, initial stack size {2}",
+//                                            Name, LocalId, m_undo.Count);
+
+                            return;
                         }
                     }
                 }
-//                else
-//                {
-//                    m_log.DebugFormat("[SCENE OBJECT PART]: Ignoring undo store for {0} {1}", Name, LocalId);
-//                }
+
+//                                m_log.DebugFormat(
+//                                    "[SCENE OBJECT PART]: Storing undo state for {0} {1}, forGroup {2}, initial stack size {3}",
+//                                    Name, LocalId, forGroup, m_undo.Count);
+
+                if (ParentGroup.Scene.MaxUndoCount > 0)
+                {
+                    UndoState nUndo = new UndoState(this, forGroup);
+
+                    m_undo.Add(nUndo);
+
+                    if (m_undo.Count > ParentGroup.Scene.MaxUndoCount)
+                        m_undo.RemoveAt(0);
+
+                    if (m_redo.Count > 0)
+                        m_redo.Clear();
+
+//                                    m_log.DebugFormat(
+//                                        "[SCENE OBJECT PART]: Stored undo state for {0} {1}, forGroup {2}, stack size now {3}",
+//                                        Name, LocalId, forGroup, m_undo.Count);
+                }
             }
-//            else
-//            {
-//                m_log.DebugFormat(
-//                    "[SCENE OBJECT PART]: Ignoring undo store for {0} {1} since already undoing", Name, LocalId);
-//            }
         }
 
         /// <summary>
@@ -3229,21 +3233,24 @@ namespace OpenSim.Region.Framework.Scenes
 
                 if (m_undo.Count > 0)
                 {
-                    UndoState goback = m_undo.Pop();
+                    UndoState goback = m_undo[m_undo.Count - 1];
+                    m_undo.RemoveAt(m_undo.Count - 1);
 
-                    if (goback != null)
+                    UndoState nUndo = null;
+    
+                    if (ParentGroup.Scene.MaxUndoCount > 0)
                     {
-                        UndoState nUndo = null;
-        
-                        if (ParentGroup.GetSceneMaxUndo() > 0)
-                        {
-                            nUndo = new UndoState(this, goback.ForGroup);
-                        }
+                        nUndo = new UndoState(this, goback.ForGroup);
+                    }
 
-                        goback.PlaybackState(this);
+                    goback.PlaybackState(this);
 
-                        if (nUndo != null)
-                            m_redo.Push(nUndo);
+                    if (nUndo != null)
+                    {
+                        m_redo.Add(nUndo);
+
+                        if (m_redo.Count > ParentGroup.Scene.MaxUndoCount)
+                            m_redo.RemoveAt(0);
                     }
                 }
 
@@ -3263,20 +3270,21 @@ namespace OpenSim.Region.Framework.Scenes
 
                 if (m_redo.Count > 0)
                 {
-                    UndoState gofwd = m_redo.Pop();
-    
-                    if (gofwd != null)
+                    UndoState gofwd = m_redo[m_redo.Count - 1];
+                    m_redo.RemoveAt(m_redo.Count - 1);
+
+                    if (ParentGroup.Scene.MaxUndoCount > 0)
                     {
-                        if (ParentGroup.GetSceneMaxUndo() > 0)
-                        {
-                            UndoState nUndo = new UndoState(this, gofwd.ForGroup);
-    
-                            m_undo.Push(nUndo);
-                        }
-    
-                        gofwd.PlayfwdState(this);
+                        UndoState nUndo = new UndoState(this, gofwd.ForGroup);
+
+                        m_undo.Add(nUndo);
+
+                        if (m_undo.Count > ParentGroup.Scene.MaxUndoCount)
+                            m_undo.RemoveAt(0);
                     }
 
+                    gofwd.PlayfwdState(this);
+
 //                m_log.DebugFormat(
 //                    "[SCENE OBJECT PART]: Handled redo request for {0} {1}, stack size now {2}",
 //                    Name, LocalId, m_redo.Count);

OpenSim/Region/Framework/Scenes/ScenePresence.cs

@@ -891,7 +891,9 @@ namespace OpenSim.Region.Framework.Scenes
             {
                 if (wasChild && HasAttachments())
                 {
-                    m_log.DebugFormat("[SCENE PRESENCE]: Restarting scripts in attachments...");
+                    m_log.DebugFormat(
+                        "[SCENE PRESENCE]: Restarting scripts in attachments for {0} in {1}", Name, Scene.Name);
+                    
                     // Resume scripts
                     foreach (SceneObjectGroup sog in m_attachments)
                     {

OpenSim/Region/Framework/Scenes/SimStatsReporter.cs

@@ -47,6 +47,7 @@ namespace OpenSim.Region.Framework.Scenes
             = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
 
         public const string LastReportedObjectUpdateStatName = "LastReportedObjectUpdates";
+        public const string SlowFramesStatName = "SlowFrames";
 
         public delegate void SendStatResult(SimStats stats);
 
@@ -128,6 +129,16 @@ namespace OpenSim.Region.Framework.Scenes
             get { return lastReportedSimStats; }
         }
 
+        /// <summary>
+        /// Number of frames that have taken longer to process than Scene.MIN_FRAME_TIME
+        /// </summary>
+        public Stat SlowFramesStat { get; private set; }
+
+        /// <summary>
+        /// The threshold at which we log a slow frame.
+        /// </summary>
+        public int SlowFramesStatReportThreshold { get; private set; }
+
         /// <summary>
         /// Extra sim statistics that are used by monitors but not sent to the client.
         /// </summary>
@@ -225,6 +236,22 @@ namespace OpenSim.Region.Framework.Scenes
 
             if (StatsManager.SimExtraStats != null)
                 OnSendStatsResult += StatsManager.SimExtraStats.ReceiveClassicSimStatsPacket;
+
+            /// At the moment, we'll only report if a frame is over 120% of target, since commonly frames are a bit
+            /// longer than ideal (which in itself is a concern).
+            SlowFramesStatReportThreshold = (int)Math.Ceiling(m_scene.MinFrameTime * 1000 * 1.2);
+
+            SlowFramesStat
+                = new Stat(
+                    "SlowFrames",
+                    "Slow Frames",
+                    " frames",
+                    "scene",
+                    m_scene.Name,
+                    StatVerbosity.Info,
+                    "Number of frames where frame time has been significantly longer than the desired frame time.");
+
+            StatsManager.RegisterStat(SlowFramesStat);
         }
 
         public void Close()
@@ -418,6 +445,7 @@ namespace OpenSim.Region.Framework.Scenes
                 lock (m_lastReportedExtraSimStats)
                 {
                     m_lastReportedExtraSimStats[LastReportedObjectUpdateStatName] = m_objectUpdates / m_statsUpdateFactor;
+                    m_lastReportedExtraSimStats[SlowFramesStat.ShortName] = (float)SlowFramesStat.Value;
 
                     Dictionary<string, float> physicsStats = m_scene.PhysicsScene.GetStats();
     
@@ -535,6 +563,11 @@ namespace OpenSim.Region.Framework.Scenes
         public void addFrameMS(int ms)
         {
             m_frameMS += ms;
+
+            // At the moment, we'll only report if a frame is over 120% of target, since commonly frames are a bit
+            // longer than ideal due to the inaccuracy of the Sleep in Scene.Update() (which in itself is a concern).
+            if (ms > SlowFramesStatReportThreshold)
+                SlowFramesStat.Value++;
         }
 
         public void AddSpareMS(int ms)

OpenSim/Region/Framework/Scenes/Tests/SceneObjectResizeTests.cs

@@ -62,8 +62,6 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             Assert.That(g1Post.RootPart.Scale.X, Is.EqualTo(2));
             Assert.That(g1Post.RootPart.Scale.Y, Is.EqualTo(3));
             Assert.That(g1Post.RootPart.Scale.Z, Is.EqualTo(4));
-
-            Assert.That(g1Post.RootPart.UndoCount, Is.EqualTo(1));
         }
 
         /// <summary>

OpenSim/Region/Framework/Scenes/Tests/SceneObjectUndoRedoTests.cs

@@ -0,0 +1,184 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Reflection;
+using NUnit.Framework;
+using OpenMetaverse;
+using OpenSim.Framework;
+using OpenSim.Framework.Communications;
+using OpenSim.Region.Framework.Scenes;
+using OpenSim.Tests.Common;
+using OpenSim.Tests.Common.Mock;
+
+namespace OpenSim.Region.Framework.Scenes.Tests
+{
+    /// <summary>
+    /// Tests for undo/redo
+    /// </summary>
+    public class SceneObjectUndoRedoTests : OpenSimTestCase
+    {
+        [Test]
+        public void TestUndoRedoResizeSceneObject()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            Vector3 firstSize = new Vector3(2, 3, 4);
+            Vector3 secondSize = new Vector3(5, 6, 7);
+
+            Scene scene = new SceneHelpers().SetupScene();
+            scene.MaxUndoCount = 20;
+            SceneObjectGroup g1 = SceneHelpers.AddSceneObject(scene);
+
+            // TODO: It happens to be the case that we are not storing undo states for SOPs which are not yet in a SOG,
+            // which is the way that AddSceneObject() sets up the object (i.e. it creates the SOP first).  However,
+            // this is somewhat by chance.  Really, we shouldn't be storing undo states at all if the object is not
+            // in a scene.
+            Assert.That(g1.RootPart.UndoCount, Is.EqualTo(0));
+
+            g1.GroupResize(firstSize);
+            Assert.That(g1.RootPart.UndoCount, Is.EqualTo(1));
+
+            g1.GroupResize(secondSize);
+            Assert.That(g1.RootPart.UndoCount, Is.EqualTo(2));
+
+            g1.RootPart.Undo();
+            Assert.That(g1.RootPart.UndoCount, Is.EqualTo(1));
+            Assert.That(g1.GroupScale, Is.EqualTo(firstSize));
+
+            g1.RootPart.Redo();
+            Assert.That(g1.RootPart.UndoCount, Is.EqualTo(2));
+            Assert.That(g1.GroupScale, Is.EqualTo(secondSize));
+        }
+
+        [Test]
+        public void TestUndoLimit()
+        {
+            TestHelpers.InMethod();
+
+            Vector3 firstSize = new Vector3(2, 3, 4);
+            Vector3 secondSize = new Vector3(5, 6, 7);
+            Vector3 thirdSize = new Vector3(8, 9, 10);
+            Vector3 fourthSize = new Vector3(11, 12, 13);
+
+            Scene scene = new SceneHelpers().SetupScene();
+            scene.MaxUndoCount = 2;
+            SceneObjectGroup g1 = SceneHelpers.AddSceneObject(scene);
+
+            g1.GroupResize(firstSize);
+            g1.GroupResize(secondSize);
+            g1.GroupResize(thirdSize);
+            g1.GroupResize(fourthSize);
+
+            g1.RootPart.Undo();
+            g1.RootPart.Undo();
+            g1.RootPart.Undo();
+
+            Assert.That(g1.RootPart.UndoCount, Is.EqualTo(0));
+            Assert.That(g1.GroupScale, Is.EqualTo(secondSize));
+        }
+
+        [Test]
+        public void TestNoUndoOnObjectsNotInScene()
+        {
+            TestHelpers.InMethod();
+
+            Vector3 firstSize = new Vector3(2, 3, 4);
+            Vector3 secondSize = new Vector3(5, 6, 7);
+            Vector3 thirdSize = new Vector3(8, 9, 10);
+            Vector3 fourthSize = new Vector3(11, 12, 13);
+
+            Scene scene = new SceneHelpers().SetupScene();
+            scene.MaxUndoCount = 20;
+            SceneObjectGroup g1 = SceneHelpers.CreateSceneObject(1, TestHelpers.ParseTail(0x1));
+
+            g1.GroupResize(firstSize);
+            g1.GroupResize(secondSize);
+
+            Assert.That(g1.RootPart.UndoCount, Is.EqualTo(0));
+
+            g1.RootPart.Undo();
+
+            Assert.That(g1.GroupScale, Is.EqualTo(secondSize));
+        }
+
+        [Test]
+        public void TestUndoBeyondAvailable()
+        {
+            TestHelpers.InMethod();
+
+            Vector3 newSize = new Vector3(2, 3, 4);
+
+            Scene scene = new SceneHelpers().SetupScene();
+            scene.MaxUndoCount = 20;
+            SceneObjectGroup g1 = SceneHelpers.AddSceneObject(scene);
+            Vector3 originalSize = g1.GroupScale;
+
+            g1.RootPart.Undo();
+
+            Assert.That(g1.RootPart.UndoCount, Is.EqualTo(0));
+            Assert.That(g1.GroupScale, Is.EqualTo(originalSize));
+
+            g1.GroupResize(newSize);
+            Assert.That(g1.RootPart.UndoCount, Is.EqualTo(1));
+            Assert.That(g1.GroupScale, Is.EqualTo(newSize));
+
+            g1.RootPart.Undo();
+            g1.RootPart.Undo();
+
+            Assert.That(g1.RootPart.UndoCount, Is.EqualTo(0));
+            Assert.That(g1.GroupScale, Is.EqualTo(originalSize));
+        }
+
+        [Test]
+        public void TestRedoBeyondAvailable()
+        {
+            TestHelpers.InMethod();
+
+            Vector3 newSize = new Vector3(2, 3, 4);
+
+            Scene scene = new SceneHelpers().SetupScene();
+            scene.MaxUndoCount = 20;
+            SceneObjectGroup g1 = SceneHelpers.AddSceneObject(scene);
+            Vector3 originalSize = g1.GroupScale;
+
+            g1.RootPart.Redo();
+
+            Assert.That(g1.RootPart.UndoCount, Is.EqualTo(0));
+            Assert.That(g1.GroupScale, Is.EqualTo(originalSize));
+
+            g1.GroupResize(newSize);
+            g1.RootPart.Undo();
+            g1.RootPart.Redo();
+            g1.RootPart.Redo();
+
+            Assert.That(g1.RootPart.UndoCount, Is.EqualTo(1));
+            Assert.That(g1.GroupScale, Is.EqualTo(newSize));
+        }
+    }
+}

OpenSim/Region/Framework/Scenes/Tests/SceneObjectUserGroupTests.cs

@@ -44,7 +44,7 @@ using OpenSim.Tests.Common.Mock;
 namespace OpenSim.Region.Framework.Scenes.Tests
 {
     [TestFixture]
-    public class SceneObjectUserGroupTests
+    public class SceneObjectUserGroupTests : OpenSimTestCase
     {
         /// <summary>
         /// Test share with group object functionality
@@ -54,7 +54,6 @@ namespace OpenSim.Region.Framework.Scenes.Tests
         public void TestShareWithGroup()
         {
             TestHelpers.InMethod();
-//            log4net.Config.XmlConfigurator.Configure();
                         
             UUID userId = UUID.Parse("10000000-0000-0000-0000-000000000001");
             

OpenSim/Region/Framework/Scenes/Tests/ScenePresenceAgentTests.cs

@@ -141,7 +141,7 @@ namespace OpenSim.Region.Framework.Scenes.Tests
             TestScene scene = new SceneHelpers().SetupScene();
             ScenePresence sp = SceneHelpers.AddScenePresence(scene, TestHelpers.ParseTail(0x1));
 
-            scene.IncomingCloseAgent(sp.UUID);
+            scene.IncomingCloseAgent(sp.UUID, false);
 
             Assert.That(scene.GetScenePresence(sp.UUID), Is.Null);
             Assert.That(scene.AuthenticateHandler.GetAgentCircuitData(sp.UUID), Is.Null);

OpenSim/Region/Framework/Scenes/Tests/UserInventoryTests.cs

@@ -50,8 +50,40 @@ using OpenSim.Tests.Common.Mock;
 namespace OpenSim.Region.Framework.Tests
 {
     [TestFixture]
-    public class UserInventoryTests
+    public class UserInventoryTests : OpenSimTestCase
     {
+        [Test]
+        public void TestCreateInventoryFolders()
+        {
+            TestHelpers.InMethod();
+//            TestHelpers.EnableLogging();
+
+            // For this test both folders will have the same name which is legal in SL user inventories.
+            string foldersName = "f1";
+
+            Scene scene = new SceneHelpers().SetupScene();
+            UserAccount user1 = UserAccountHelpers.CreateUserWithInventory(scene, TestHelpers.ParseTail(1001));
+
+            UserInventoryHelpers.CreateInventoryFolder(scene.InventoryService, user1.PrincipalID, foldersName);
+
+            List<InventoryFolderBase> oneFolder
+                = UserInventoryHelpers.GetInventoryFolders(scene.InventoryService, user1.PrincipalID, foldersName);
+
+            Assert.That(oneFolder.Count, Is.EqualTo(1));
+            InventoryFolderBase firstRetrievedFolder = oneFolder[0];
+            Assert.That(firstRetrievedFolder.Name, Is.EqualTo(foldersName));
+
+            UserInventoryHelpers.CreateInventoryFolder(scene.InventoryService, user1.PrincipalID, foldersName);
+
+            List<InventoryFolderBase> twoFolders
+                = UserInventoryHelpers.GetInventoryFolders(scene.InventoryService, user1.PrincipalID, foldersName);
+
+            Assert.That(twoFolders.Count, Is.EqualTo(2));
+            Assert.That(twoFolders[0].Name, Is.EqualTo(foldersName));
+            Assert.That(twoFolders[1].Name, Is.EqualTo(foldersName));
+            Assert.That(twoFolders[0].ID, Is.Not.EqualTo(twoFolders[1].ID));
+        }
+
         [Test]
         public void TestGiveInventoryItem()
         {
@@ -83,7 +115,7 @@ namespace OpenSim.Region.Framework.Tests
         public void TestGiveInventoryFolder()
         {
             TestHelpers.InMethod();
-//            log4net.Config.XmlConfigurator.Configure();
+//            TestHelpers.EnableLogging();
             
             Scene scene = new SceneHelpers().SetupScene();
             UserAccount user1 = UserAccountHelpers.CreateUserWithInventory(scene, TestHelpers.ParseTail(1001));

OpenSim/Region/Framework/Scenes/UuidGatherer.cs

@@ -52,26 +52,23 @@ namespace OpenSim.Region.Framework.Scenes
     public class UuidGatherer
     {
         private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
-        
-        /// <summary>
-        /// Asset cache used for gathering assets
-        /// </summary>
-        protected IAssetService m_assetCache;
-        
-        /// <summary>
-        /// Used as a temporary store of an asset which represents an object.  This can be a null if no appropriate
-        /// asset was found by the asset service.
-        /// </summary>
-        private AssetBase m_requestedObjectAsset;
 
-        /// <summary>
-        /// Signal whether we are currently waiting for the asset service to deliver an asset.
-        /// </summary>
-        private bool m_waitingForObjectAsset;
+        protected IAssetService m_assetService;
+
+//        /// <summary>
+//        /// Used as a temporary store of an asset which represents an object.  This can be a null if no appropriate
+//        /// asset was found by the asset service.
+//        /// </summary>
+//        private AssetBase m_requestedObjectAsset;
+//
+//        /// <summary>
+//        /// Signal whether we are currently waiting for the asset service to deliver an asset.
+//        /// </summary>
+//        private bool m_waitingForObjectAsset;
                 
         public UuidGatherer(IAssetService assetCache)
         {
-            m_assetCache = assetCache;
+            m_assetService = assetCache;
         }
                 
         /// <summary>
@@ -195,18 +192,18 @@ namespace OpenSim.Region.Framework.Scenes
             }
         }
         
-        /// <summary>
-        /// The callback made when we request the asset for an object from the asset service.
-        /// </summary>
-        private void AssetReceived(string id, Object sender, AssetBase asset)
-        {
-            lock (this)
-            {
-                m_requestedObjectAsset = asset;
-                m_waitingForObjectAsset = false;
-                Monitor.Pulse(this);
-            }
-        }
+//        /// <summary>
+//        /// The callback made when we request the asset for an object from the asset service.
+//        /// </summary>
+//        private void AssetReceived(string id, Object sender, AssetBase asset)
+//        {
+//            lock (this)
+//            {
+//                m_requestedObjectAsset = asset;
+//                m_waitingForObjectAsset = false;
+//                Monitor.Pulse(this);
+//            }
+//        }
 
         /// <summary>
         /// Get an asset synchronously, potentially using an asynchronous callback.  If the
@@ -216,25 +213,29 @@ namespace OpenSim.Region.Framework.Scenes
         /// <returns></returns>
         protected virtual AssetBase GetAsset(UUID uuid)
         {
-            m_waitingForObjectAsset = true;
-            m_assetCache.Get(uuid.ToString(), this, AssetReceived);
+            return m_assetService.Get(uuid.ToString());
 
-            // The asset cache callback can either
-            //
-            // 1. Complete on the same thread (if the asset is already in the cache) or
-            // 2. Come in via a different thread (if we need to go fetch it).
-            //
-            // The code below handles both these alternatives.
-            lock (this)
-            {
-                if (m_waitingForObjectAsset)
-                {
-                    Monitor.Wait(this);
-                    m_waitingForObjectAsset = false;
-                }
-            }
-
-            return m_requestedObjectAsset;
+            // XXX: Switching to do this synchronously where the call was async before but we always waited for it
+            // to complete anyway!
+//            m_waitingForObjectAsset = true;
+//            m_assetCache.Get(uuid.ToString(), this, AssetReceived);
+//
+//            // The asset cache callback can either
+//            //
+//            // 1. Complete on the same thread (if the asset is already in the cache) or
+//            // 2. Come in via a different thread (if we need to go fetch it).
+//            //
+//            // The code below handles both these alternatives.
+//            lock (this)
+//            {
+//                if (m_waitingForObjectAsset)
+//                {
+//                    Monitor.Wait(this);
+//                    m_waitingForObjectAsset = false;
+//                }
+//            }
+//
+//            return m_requestedObjectAsset;
         }
 
         /// <summary>

OpenSim/Region/OptionalModules/Agent/InternetRelayClientView/Server/IRCClientView.cs

@@ -885,6 +885,11 @@ namespace OpenSim.Region.OptionalModules.Agent.InternetRelayClientView.Server
         }
 
         public void Close()
+        {
+            Close(false);
+        }
+
+        public void Close(bool force)
         {
             Disconnect();
         }

OpenSim/Region/OptionalModules/Avatar/Chat/IRCConnector.cs

@@ -231,12 +231,12 @@ namespace OpenSim.Region.OptionalModules.Avatar.Chat
             if (m_server == null || m_baseNick == null || m_ircChannel == null || m_user == null)
                 throw new Exception("Invalid connector configuration");
 
-            // Generate an initial nickname if randomizing is enabled
+            // Generate an initial nickname
 
             if (m_randomizeNick)
-            {
                 m_nick = m_baseNick + Util.RandomClass.Next(1, 99);
-            }
+            else 
+                m_nick = m_baseNick;
 
             m_log.InfoFormat("[IRC-Connector-{0}]: Initialization complete", idn);
 

OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreModule.cs

@@ -175,14 +175,15 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
         /// 
         /// </summary>
         // -----------------------------------------------------------------
-        public bool CreateStore(string value, out UUID result)
+        public bool CreateStore(string value, ref UUID result)
         {
-            result = UUID.Zero;
+            if (result == UUID.Zero)
+                result = UUID.Random();
+
+            JsonStore map = null;
             
             if (! m_enabled) return false;
             
-            UUID uuid = UUID.Random();
-            JsonStore map = null;
 
             try
             { 
@@ -195,9 +196,8 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
             }
 
             lock (m_JsonValueStore)
-                m_JsonValueStore.Add(uuid,map);
+                m_JsonValueStore.Add(result,map);
             
-            result = uuid;
             return true;
         }
 
@@ -231,7 +231,7 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
                 if (! m_JsonValueStore.TryGetValue(storeID,out map))
                 {
                     m_log.InfoFormat("[JsonStore] Missing store {0}",storeID);
-                    return true;
+                    return false;
                 }
             }
             

OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreScriptModule.cs

@@ -227,7 +227,7 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
         protected UUID JsonCreateStore(UUID hostID, UUID scriptID, string value)
         {
             UUID uuid = UUID.Zero;
-            if (! m_store.CreateStore(value, out uuid))
+            if (! m_store.CreateStore(value, ref uuid))
                 GenerateRuntimeError("Failed to create Json store");
             
             return uuid;

OpenSim/Region/OptionalModules/World/NPC/NPCAvatar.cs

@@ -900,6 +900,11 @@ namespace OpenSim.Region.OptionalModules.World.NPC
         }
 
         public void Close()
+        {
+            Close(false);
+        }
+
+        public void Close(bool force)
         {
             // Remove ourselves from the scene
             m_scene.RemoveClient(AgentId, false);

OpenSim/Region/OptionalModules/World/NPC/NPCModule.cs

@@ -176,16 +176,17 @@ namespace OpenSim.Region.OptionalModules.World.NPC
                 if (m_avatars.ContainsKey(agentID))
                 {
                     ScenePresence sp;
-                    scene.TryGetScenePresence(agentID, out sp);
+                    if (scene.TryGetScenePresence(agentID, out sp))
+                    {
+                        m_log.DebugFormat(
+                            "[NPC MODULE]: Moving {0} to {1} in {2}, noFly {3}, landAtTarget {4}",
+                            sp.Name, pos, scene.RegionInfo.RegionName, noFly, landAtTarget);
 
-                    m_log.DebugFormat(
-                        "[NPC MODULE]: Moving {0} to {1} in {2}, noFly {3}, landAtTarget {4}",
-                        sp.Name, pos, scene.RegionInfo.RegionName, noFly, landAtTarget);
-
-                    sp.MoveToTarget(pos, noFly, landAtTarget);
-                    sp.SetAlwaysRun = running;
-
-                    return true;
+                        sp.MoveToTarget(pos, noFly, landAtTarget);
+                        sp.SetAlwaysRun = running;
+    
+                        return true;
+                    }
                 }
             }
 
@@ -199,12 +200,13 @@ namespace OpenSim.Region.OptionalModules.World.NPC
                 if (m_avatars.ContainsKey(agentID))
                 {
                     ScenePresence sp;
-                    scene.TryGetScenePresence(agentID, out sp);
+                    if (scene.TryGetScenePresence(agentID, out sp))
+                    {
+                        sp.Velocity = Vector3.Zero;
+                        sp.ResetMoveToTarget();
 
-                    sp.Velocity = Vector3.Zero;
-                    sp.ResetMoveToTarget();
-
-                    return true;
+                        return true;
+                    }
                 }
             }
 
@@ -222,9 +224,6 @@ namespace OpenSim.Region.OptionalModules.World.NPC
             {
                 if (m_avatars.ContainsKey(agentID))
                 {
-                    ScenePresence sp;
-                    scene.TryGetScenePresence(agentID, out sp);
-
                     m_avatars[agentID].Say(channel, text);
 
                     return true;
@@ -240,9 +239,6 @@ namespace OpenSim.Region.OptionalModules.World.NPC
             {
                 if (m_avatars.ContainsKey(agentID))
                 {
-                    ScenePresence sp;
-                    scene.TryGetScenePresence(agentID, out sp);
-
                     m_avatars[agentID].Shout(channel, text);
 
                     return true;
@@ -259,11 +255,13 @@ namespace OpenSim.Region.OptionalModules.World.NPC
                 if (m_avatars.ContainsKey(agentID))
                 {
                     ScenePresence sp;
-                    scene.TryGetScenePresence(agentID, out sp);
-                    sp.HandleAgentRequestSit(m_avatars[agentID], agentID, partID, Vector3.Zero);
-//                    sp.HandleAgentSit(m_avatars[agentID], agentID);
-
-                    return true;
+                    if (scene.TryGetScenePresence(agentID, out sp))
+                    {
+                        sp.HandleAgentRequestSit(m_avatars[agentID], agentID, partID, Vector3.Zero);
+    //                    sp.HandleAgentSit(m_avatars[agentID], agentID);
+    
+                        return true;
+                    }
                 }
             }
 
@@ -276,9 +274,6 @@ namespace OpenSim.Region.OptionalModules.World.NPC
             {
                 if (m_avatars.ContainsKey(agentID))
                 {
-                    ScenePresence sp;
-                    scene.TryGetScenePresence(agentID, out sp);
-
                     m_avatars[agentID].Whisper(channel, text);
 
                     return true;
@@ -295,10 +290,12 @@ namespace OpenSim.Region.OptionalModules.World.NPC
                 if (m_avatars.ContainsKey(agentID))
                 {
                     ScenePresence sp;
-                    scene.TryGetScenePresence(agentID, out sp);
-                    sp.StandUp();
+                    if (scene.TryGetScenePresence(agentID, out sp))
+                    {
+                        sp.StandUp();
 
-                    return true;
+                        return true;
+                    }
                 }
             }
 
@@ -311,6 +308,7 @@ namespace OpenSim.Region.OptionalModules.World.NPC
             {
                 if (m_avatars.ContainsKey(agentID))
                     return m_avatars[agentID].Touch(objectID);
+
                 return false;
             }
         }
@@ -321,9 +319,7 @@ namespace OpenSim.Region.OptionalModules.World.NPC
             {
                 NPCAvatar av;
                 if (m_avatars.TryGetValue(agentID, out av))
-                {
                     return av.OwnerID;
-                }
             }
 
             return UUID.Zero;

OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs

@@ -183,6 +183,12 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         public void llResetScript()
         {
             m_host.AddScriptLPS(1);
+
+            // We need to tell the URL module, if we hav one, to release
+            // the allocated URLs
+            if (m_UrlModule != null)
+                m_UrlModule.ScriptRemoved(m_item.ItemID);
+
             m_ScriptEngine.ApiResetScript(m_item.ItemID);
         }
 
@@ -237,33 +243,38 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         }
 
         public List<SceneObjectPart> GetLinkParts(int linkType)
+        {
+            return GetLinkParts(m_host, linkType);
+        }
+
+        private List<SceneObjectPart> GetLinkParts(SceneObjectPart part, int linkType)
         {
             List<SceneObjectPart> ret = new List<SceneObjectPart>();
-            ret.Add(m_host);
+            ret.Add(part);
 
             switch (linkType)
             {
             case ScriptBaseClass.LINK_SET:
-                return new List<SceneObjectPart>(m_host.ParentGroup.Parts);
+                return new List<SceneObjectPart>(part.ParentGroup.Parts);
 
             case ScriptBaseClass.LINK_ROOT:
                 ret = new List<SceneObjectPart>();
-                ret.Add(m_host.ParentGroup.RootPart);
+                ret.Add(part.ParentGroup.RootPart);
                 return ret;
 
             case ScriptBaseClass.LINK_ALL_OTHERS:
-                ret = new List<SceneObjectPart>(m_host.ParentGroup.Parts);
+                ret = new List<SceneObjectPart>(part.ParentGroup.Parts);
 
-                if (ret.Contains(m_host))
-                    ret.Remove(m_host);
+                if (ret.Contains(part))
+                    ret.Remove(part);
 
                 return ret;
 
             case ScriptBaseClass.LINK_ALL_CHILDREN:
-                ret = new List<SceneObjectPart>(m_host.ParentGroup.Parts);
+                ret = new List<SceneObjectPart>(part.ParentGroup.Parts);
 
-                if (ret.Contains(m_host.ParentGroup.RootPart))
-                    ret.Remove(m_host.ParentGroup.RootPart);
+                if (ret.Contains(part.ParentGroup.RootPart))
+                    ret.Remove(part.ParentGroup.RootPart);
                 return ret;
 
             case ScriptBaseClass.LINK_THIS:
@@ -273,7 +284,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 if (linkType < 0)
                     return new List<SceneObjectPart>();
 
-                SceneObjectPart target = m_host.ParentGroup.GetLinkNumPart(linkType);
+                SceneObjectPart target = part.ParentGroup.GetLinkNumPart(linkType);
                 if (target == null)
                     return new List<SceneObjectPart>();
                 ret = new List<SceneObjectPart>();
@@ -1957,7 +1968,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     pos.x > (Constants.RegionSize + 10) || // return FALSE if more than 10 meters into a east-adjacent region.
                     pos.y < -10.0 || // return FALSE if more than 10 meters into a south-adjacent region.
                     pos.y > (Constants.RegionSize + 10) || // return FALSE if more than 10 meters into a north-adjacent region.
-                    pos.z > 4096 // return FALSE if altitude than 4096m
+                    pos.z > Constants.RegionHeight // return FALSE if altitude than 4096m
                 )
             )
             {
@@ -4012,9 +4023,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         public void llSetText(string text, LSL_Vector color, double alpha)
         {
             m_host.AddScriptLPS(1);
-            Vector3 av3 = new Vector3(Util.Clip((float)color.x, 0.0f, 1.0f),
-                                      Util.Clip((float)color.y, 0.0f, 1.0f),
-                                      Util.Clip((float)color.z, 0.0f, 1.0f));
+            Vector3 av3 = Util.Clip(new Vector3((float)color.x, (float)color.y, 
+                (float)color.z), 0.0f, 1.0f);
             m_host.SetText(text.Length > 254 ? text.Remove(254) : text, av3, Util.Clip((float)alpha, 0.0f, 1.0f));
             //m_host.ParentGroup.HasGroupChanged = true;
             //m_host.ParentGroup.ScheduleGroupForFullUpdate();
@@ -5122,17 +5132,16 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         {
 
             string ret = String.Empty;
-            int    x   = 0;
 
             m_host.AddScriptLPS(1);
 
             if (src.Data.Length > 0)
             {
-                ret = src.Data[x++].ToString();
-                for (; x < src.Data.Length; x++)
-                {
-                    ret += ", "+src.Data[x].ToString();
-                }
+                ret = string.Join(", ", 
+                        (new List<object>(src.Data)).ConvertAll<string>(o => 
+                        {
+                            return o.ToString();
+                        }).ToArray());
             }
 
             return ret;
@@ -5427,27 +5436,36 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         /// Returns the index of the first occurrence of test
         /// in src.
         /// </summary>
-
+        /// <param name="src">Source list</param>
+        /// <param name="test">List to search for</param>
+        /// <returns>
+        /// The index number of the point in src where test was found if it was found.
+        /// Otherwise returns -1
+        /// </returns>
         public LSL_Integer llListFindList(LSL_List src, LSL_List test)
         {
-
             int index  = -1;
             int length = src.Length - test.Length + 1;
 
             m_host.AddScriptLPS(1);
 
             // If either list is empty, do not match
-
             if (src.Length != 0 && test.Length != 0)
             {
                 for (int i = 0; i < length; i++)
                 {
-                    if (src.Data[i].Equals(test.Data[0]))
+                    // Why this piece of insanity?  This is because most script constants are C# value types (e.g. int)
+                    // rather than wrapped LSL types.  Such a script constant does not have int.Equal(LSL_Integer) code
+                    // and so the comparison fails even if the LSL_Integer conceptually has the same value.
+                    // Therefore, here we test Equals on both the source and destination objects.
+                    // However, a future better approach may be use LSL struct script constants (e.g. LSL_Integer(1)).
+                    if (src.Data[i].Equals(test.Data[0]) || test.Data[0].Equals(src.Data[i]))
                     {
                         int j;
                         for (j = 1; j < test.Length; j++)
-                            if (!src.Data[i+j].Equals(test.Data[j]))
+                            if (!(src.Data[i+j].Equals(test.Data[j]) || test.Data[j].Equals(src.Data[i+j])))
                                 break;
+
                         if (j == test.Length)
                         {
                             index = i;
@@ -5458,19 +5476,18 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             }
 
             return index;
-
         }
 
         public LSL_String llGetObjectName()
         {
             m_host.AddScriptLPS(1);
-            return m_host.Name!=null?m_host.Name:String.Empty;
+            return m_host.Name !=null ? m_host.Name : String.Empty;
         }
 
         public void llSetObjectName(string name)
         {
             m_host.AddScriptLPS(1);
-            m_host.Name = name!=null?name:String.Empty;
+            m_host.Name = name != null ? name : String.Empty;
         }
 
         public LSL_String llGetDate()
@@ -7178,7 +7195,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         public void llSetPrimitiveParams(LSL_List rules)
         {
             m_host.AddScriptLPS(1);
-            SetPrimParams(m_host, rules);
+
+            setLinkPrimParams(ScriptBaseClass.LINK_THIS, rules);
 
             ScriptSleep(200);
         }
@@ -7203,11 +7221,23 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         {
             List<SceneObjectPart> parts = GetLinkParts(linknumber);
 
+            LSL_List remaining = null;
+
             foreach (SceneObjectPart part in parts)
-                SetPrimParams(part, rules);
+                remaining = SetPrimParams(part, rules);
+
+            while(remaining != null && remaining.Length > 2)
+            {
+                linknumber = remaining.GetLSLIntegerItem(0);
+                rules = remaining.GetSublist(1,-1);
+                parts = GetLinkParts(linknumber);
+
+                foreach (SceneObjectPart part in parts)
+                    remaining = SetPrimParams(part, rules);
+            }
         }
 
-        protected void SetPrimParams(SceneObjectPart part, LSL_List rules)
+        protected LSL_List SetPrimParams(SceneObjectPart part, LSL_List rules)
         {
             int idx = 0;
 
@@ -7230,7 +7260,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                         case (int)ScriptBaseClass.PRIM_POSITION:
                         case (int)ScriptBaseClass.PRIM_POS_LOCAL:
                             if (remain < 1)
-                                return;
+                                return null;
 
                             v=rules.GetVector3Item(idx++);
                             positionChanged = true;
@@ -7239,7 +7269,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                             break;
                         case (int)ScriptBaseClass.PRIM_SIZE:
                             if (remain < 1)
-                                return;
+                                return null;
 
                             v=rules.GetVector3Item(idx++);
                             SetScale(part, v);
@@ -7247,7 +7277,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                             break;
                         case (int)ScriptBaseClass.PRIM_ROTATION:
                             if (remain < 1)
-                                return;
+                                return null;
 
                             LSL_Rotation q = rules.GetQuaternionItem(idx++);
                             // try to let this work as in SL...
@@ -7267,7 +7297,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                         case (int)ScriptBaseClass.PRIM_TYPE:
                             if (remain < 3)
-                                return;
+                                return null;
 
                             code = (int)rules.GetLSLIntegerItem(idx++);
 
@@ -7286,7 +7316,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                             {
                                 case (int)ScriptBaseClass.PRIM_TYPE_BOX:
                                     if (remain < 6)
-                                        return;
+                                        return null;
 
                                     face = (int)rules.GetLSLIntegerItem(idx++);
                                     v = rules.GetVector3Item(idx++); // cut
@@ -7301,7 +7331,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                                 case (int)ScriptBaseClass.PRIM_TYPE_CYLINDER:
                                     if (remain < 6)
-                                        return;
+                                        return null;
 
                                     face = (int)rules.GetLSLIntegerItem(idx++); // holeshape
                                     v = rules.GetVector3Item(idx++); // cut
@@ -7315,7 +7345,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                                 case (int)ScriptBaseClass.PRIM_TYPE_PRISM:
                                     if (remain < 6)
-                                        return;
+                                        return null;
 
                                     face = (int)rules.GetLSLIntegerItem(idx++); // holeshape
                                     v = rules.GetVector3Item(idx++); //cut
@@ -7329,7 +7359,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                                 case (int)ScriptBaseClass.PRIM_TYPE_SPHERE:
                                     if (remain < 5)
-                                        return;
+                                        return null;
 
                                     face = (int)rules.GetLSLIntegerItem(idx++); // holeshape
                                     v = rules.GetVector3Item(idx++); // cut
@@ -7342,7 +7372,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                                 case (int)ScriptBaseClass.PRIM_TYPE_TORUS:
                                     if (remain < 11)
-                                        return;
+                                        return null;
 
                                     face = (int)rules.GetLSLIntegerItem(idx++); // holeshape
                                     v = rules.GetVector3Item(idx++); //cut
@@ -7361,7 +7391,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                                 case (int)ScriptBaseClass.PRIM_TYPE_TUBE:
                                     if (remain < 11)
-                                        return;
+                                        return null;
 
                                     face = (int)rules.GetLSLIntegerItem(idx++); // holeshape
                                     v = rules.GetVector3Item(idx++); //cut
@@ -7380,7 +7410,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                                 case (int)ScriptBaseClass.PRIM_TYPE_RING:
                                     if (remain < 11)
-                                        return;
+                                        return null;
 
                                     face = (int)rules.GetLSLIntegerItem(idx++); // holeshape
                                     v = rules.GetVector3Item(idx++); //cut
@@ -7399,7 +7429,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                                 case (int)ScriptBaseClass.PRIM_TYPE_SCULPT:
                                     if (remain < 2)
-                                        return;
+                                        return null;
 
                                     string map = rules.Data[idx++].ToString();
                                     face = (int)rules.GetLSLIntegerItem(idx++); // type
@@ -7411,7 +7441,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                         case (int)ScriptBaseClass.PRIM_TEXTURE:
                             if (remain < 5)
-                                return;
+                                return null;
 
                             face=(int)rules.GetLSLIntegerItem(idx++);
                             string tex=rules.Data[idx++].ToString();
@@ -7428,7 +7458,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                         case (int)ScriptBaseClass.PRIM_COLOR:
                             if (remain < 3)
-                                return;
+                                return null;
 
                             face=(int)rules.GetLSLIntegerItem(idx++);
                             LSL_Vector color=rules.GetVector3Item(idx++);
@@ -7441,7 +7471,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                         case (int)ScriptBaseClass.PRIM_FLEXIBLE:
                             if (remain < 7)
-                                return;
+                                return null;
 
                             bool flexi = rules.GetLSLIntegerItem(idx++);
                             int softness = rules.GetLSLIntegerItem(idx++);
@@ -7457,7 +7487,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                         case (int)ScriptBaseClass.PRIM_POINT_LIGHT:
                             if (remain < 5)
-                                return;
+                                return null;
                             bool light = rules.GetLSLIntegerItem(idx++);
                             LSL_Vector lightcolor = rules.GetVector3Item(idx++);
                             float intensity = (float)rules.GetLSLFloatItem(idx++);
@@ -7470,7 +7500,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                         case (int)ScriptBaseClass.PRIM_GLOW:
                             if (remain < 2)
-                                return;
+                                return null;
                             face = rules.GetLSLIntegerItem(idx++);
                             float glow = (float)rules.GetLSLFloatItem(idx++);
 
@@ -7480,7 +7510,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                         case (int)ScriptBaseClass.PRIM_BUMP_SHINY:
                             if (remain < 3)
-                                return;
+                                return null;
                             face = (int)rules.GetLSLIntegerItem(idx++);
                             int shiny = (int)rules.GetLSLIntegerItem(idx++);
                             Bumpiness bump = (Bumpiness)(int)rules.GetLSLIntegerItem(idx++);
@@ -7491,7 +7521,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                          case (int)ScriptBaseClass.PRIM_FULLBRIGHT:
                              if (remain < 2)
-                                 return;
+                                 return null;
                              face = rules.GetLSLIntegerItem(idx++);
                              bool st = rules.GetLSLIntegerItem(idx++);
                              SetFullBright(part, face , st);
@@ -7499,17 +7529,17 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                          case (int)ScriptBaseClass.PRIM_MATERIAL:
                              if (remain < 1)
-                                 return;
+                                 return null;
                              int mat = rules.GetLSLIntegerItem(idx++);
                              if (mat < 0 || mat > 7)
-                                 return;
+                                 return null;
 
                              part.Material = Convert.ToByte(mat);
                              break;
 
                          case (int)ScriptBaseClass.PRIM_PHANTOM:
                              if (remain < 1)
-                                 return;
+                                 return null;
 
                              string ph = rules.Data[idx++].ToString();
                              m_host.ParentGroup.ScriptSetPhantomStatus(ph.Equals("1"));
@@ -7518,7 +7548,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                          case (int)ScriptBaseClass.PRIM_PHYSICS:
                             if (remain < 1)
-                                 return;
+                                 return null;
                              string phy = rules.Data[idx++].ToString();
                              bool physics;
 
@@ -7532,7 +7562,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                         case (int)ScriptBaseClass.PRIM_TEMP_ON_REZ:
                             if (remain < 1)
-                                return;
+                                return null;
                             string temp = rules.Data[idx++].ToString();
 
                             m_host.ParentGroup.ScriptSetTemporaryStatus(temp.Equals("1"));
@@ -7541,7 +7571,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
 
                         case (int)ScriptBaseClass.PRIM_TEXGEN:
                             if (remain < 2)
-                                return;
+                                return null;
                                 //face,type
                             face = rules.GetLSLIntegerItem(idx++);
                             int style = rules.GetLSLIntegerItem(idx++);
@@ -7549,37 +7579,37 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                             break;
                         case (int)ScriptBaseClass.PRIM_TEXT:
                             if (remain < 3)
-                                return;
+                                return null;
                             string primText = rules.GetLSLStringItem(idx++);
                             LSL_Vector primTextColor = rules.GetVector3Item(idx++);
                             LSL_Float primTextAlpha = rules.GetLSLFloatItem(idx++);
-                            Vector3 av3 = new Vector3(Util.Clip((float)primTextColor.x, 0.0f, 1.0f),
-                                          Util.Clip((float)primTextColor.y, 0.0f, 1.0f),
-                                          Util.Clip((float)primTextColor.z, 0.0f, 1.0f));
+                            Vector3 av3 = Util.Clip(new Vector3((float)primTextColor.x,
+                                (float)primTextColor.y, 
+                                (float)primTextColor.z), 0.0f, 1.0f);
                             part.SetText(primText, av3, Util.Clip((float)primTextAlpha, 0.0f, 1.0f));
 
                             break;
                         case (int)ScriptBaseClass.PRIM_NAME:
                             if (remain < 1)
-                                return;
+                                return null;
                             string primName = rules.GetLSLStringItem(idx++);
                             part.Name = primName;
                             break;
                         case (int)ScriptBaseClass.PRIM_DESC:
                             if (remain < 1)
-                                return;
+                                return null;
                             string primDesc = rules.GetLSLStringItem(idx++);
                             part.Description = primDesc;
                             break;
                         case (int)ScriptBaseClass.PRIM_ROT_LOCAL:
                             if (remain < 1)
-                                return;
+                                return null;
                             LSL_Rotation lr = rules.GetQuaternionItem(idx++);
                             SetRot(part, Rot2Quaternion(lr));
                             break;
                         case (int)ScriptBaseClass.PRIM_OMEGA:
                             if (remain < 3)
-                                return;
+                                return null;
                             LSL_Vector axis = rules.GetVector3Item(idx++);
                             LSL_Float spinrate = rules.GetLSLFloatItem(idx++);
                             LSL_Float gain = rules.GetLSLFloatItem(idx++);
@@ -7587,12 +7617,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                             break;
                         case (int)ScriptBaseClass.PRIM_LINK_TARGET:
                             if (remain < 3) // setting to 3 on the basis that parsing any usage of PRIM_LINK_TARGET that has nothing following it is pointless.
-                                return;
-                            LSL_Integer new_linknumber = rules.GetLSLIntegerItem(idx++);
-                            LSL_List new_rules = rules.GetSublist(idx, -1);
-                            setLinkPrimParams((int)new_linknumber, new_rules);
+                                return null;
 
-                            return;
+                            return rules.GetSublist(idx, -1);
                     }
                 }
             }
@@ -7614,6 +7641,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     }
                 }
             }
+            return null;
         }
 
         public LSL_String llStringToBase64(string str)
@@ -10686,7 +10714,16 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
             if (obj.OwnerID != m_host.OwnerID)
                 return;
 
-            SetPrimParams(obj, rules);
+            LSL_List remaining = SetPrimParams(obj, rules);
+
+            while (remaining != null && remaining.Length > 2)
+            {
+                LSL_Integer newLink = remaining.GetLSLIntegerItem(0);
+                LSL_List newrules = remaining.GetSublist(1, -1);
+                foreach(SceneObjectPart part in GetLinkParts(obj, newLink)){
+                    remaining = SetPrimParams(part, newrules);
+                }
+            }
         }
 
         public LSL_List GetLinkPrimitiveParamsEx(LSL_Key prim, LSL_List rules)

OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs

@@ -2434,8 +2434,13 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 if (!npcModule.CheckPermissions(npcId, m_host.OwnerID))
                     return new LSL_Vector(0, 0, 0);
 
-                Vector3 pos = World.GetScenePresence(npcId).AbsolutePosition;
-                return new LSL_Vector(pos.X, pos.Y, pos.Z);
+                ScenePresence sp = World.GetScenePresence(npcId);
+
+                if (sp != null)
+                {
+                    Vector3 pos = sp.AbsolutePosition;
+                    return new LSL_Vector(pos.X, pos.Y, pos.Z);
+                }
             }
 
             return new LSL_Vector(0, 0, 0);
@@ -2503,9 +2508,12 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     return new LSL_Rotation(Quaternion.Identity.X, Quaternion.Identity.Y, Quaternion.Identity.Z, Quaternion.Identity.W);
 
                 ScenePresence sp = World.GetScenePresence(npcId);
-                Quaternion rot = sp.Rotation;
 
-                return new LSL_Rotation(rot.X, rot.Y, rot.Z, rot.W);
+                if (sp != null)
+                {
+                    Quaternion rot = sp.Rotation;
+                    return new LSL_Rotation(rot.X, rot.Y, rot.Z, rot.W);
+                }
             }
 
             return new LSL_Rotation(Quaternion.Identity.X, Quaternion.Identity.Y, Quaternion.Identity.Z, Quaternion.Identity.W);
@@ -2527,7 +2535,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     return;
 
                 ScenePresence sp = World.GetScenePresence(npcId);
-                sp.Rotation = LSL_Api.Rot2Quaternion(rotation);
+
+                if (sp != null)
+                    sp.Rotation = LSL_Api.Rot2Quaternion(rotation);
             }
         }
 
@@ -2689,6 +2699,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
         {
             CheckThreatLevel(ThreatLevel.High, "osNpcTouch");
             m_host.AddScriptLPS(1);
+            
             INPCModule module = World.RequestModuleInterface<INPCModule>();
             int linkNum = link_num.value;
             if (module != null || (linkNum < 0 && linkNum != ScriptBaseClass.LINK_THIS))
@@ -2696,12 +2707,15 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 UUID npcId;
                 if (!UUID.TryParse(npcLSL_Key, out npcId) || !module.CheckPermissions(npcId, m_host.OwnerID))
                     return;
+
                 SceneObjectPart part = null;
                 UUID objectId;
                 if (UUID.TryParse(LSL_String.ToString(object_key), out objectId))
                     part = World.GetSceneObjectPart(objectId);
+
                 if (part == null)
                     return;
+
                 if (linkNum != ScriptBaseClass.LINK_THIS)
                 {
                     if (linkNum == 0 || linkNum == ScriptBaseClass.LINK_ROOT)
@@ -2716,6 +2730,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                             return;
                     }
                 }
+
                 module.Touch(npcId, part.UUID);
             }
         }
@@ -2866,7 +2881,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 avatar.SpeedModifier = (float)SpeedModifier;
         }
         
-        public void osKickAvatar(string FirstName,string SurName,string alert)
+        public void osKickAvatar(string FirstName, string SurName, string alert)
         {
             CheckThreatLevel(ThreatLevel.Severe, "osKickAvatar");
             m_host.AddScriptLPS(1);
@@ -2880,7 +2895,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                         sp.ControllingClient.Kick(alert);
 
                     // ...and close on our side
-                    sp.Scene.IncomingCloseAgent(sp.UUID);
+                    sp.Scene.IncomingCloseAgent(sp.UUID, false);
                 }
             });
         }

OpenSim/Region/ScriptEngine/Shared/Api/Interface/IOSSL_Api.cs

@@ -40,16 +40,75 @@ using LSL_Key = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLString;
 
 namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
 {
+    /// <summary>
+    /// To permit region owners to enable the extended scripting functionality
+    /// of OSSL, without allowing malicious scripts to access potentially
+    /// troublesome functions, each OSSL function is assigned a threat level,
+    /// and access to the functions is granted or denied based on a default
+    /// threshold set in OpenSim.ini (which can be overridden for individual
+    /// functions on a case-by-case basis)
+    /// </summary>
     public enum ThreatLevel
     {
+        // Not documented, presumably means permanently disabled ?
         NoAccess = -1,
+
+        /// <summary>
+        /// Function is no threat at all. It doesn't constitute a threat to 
+        /// either users or the system and has no known side effects.
+        /// </summary>
         None = 0,
+
+        /// <summary>
+        /// Abuse of this command can cause a nuisance to the region operator,
+        /// such as log message spew.
+        /// </summary>
         Nuisance = 1,
+
+        /// <summary>
+        /// Extreme levels of abuse of this function can cause impaired 
+        /// functioning of the region, or very gullible users can be tricked
+        /// into experiencing harmless effects.
+        /// </summary>
         VeryLow = 2,
+
+        /// <summary>
+        /// Intentional abuse can cause crashes or malfunction under certain
+        /// circumstances, which can be easily rectified; or certain users can
+        /// be tricked into certain situations in an avoidable manner.
+        /// </summary>
         Low = 3,
+
+        /// <summary>
+        /// Intentional abuse can cause denial of service and crashes with
+        /// potential of data or state loss; or trusting users can be tricked 
+        /// into embarrassing or uncomfortable situations.
+        /// </summary>
         Moderate = 4,
+
+        /// <summary>
+        /// Casual abuse can cause impaired functionality or temporary denial
+        /// of service conditions. Intentional abuse can easily cause crashes
+        /// with potential data loss, or can be used to trick experienced and
+        /// cautious users into unwanted situations, or changes global data
+        /// permanently and without undo ability.
+        /// </summary>
         High = 5,
+
+        /// <summary>
+        /// Even normal use may, depending on the number of instances, or
+        /// frequency of use, result in severe service impairment or crash
+        /// with loss of data, or can be used to cause unwanted or harmful
+        /// effects on users without giving the user a means to avoid it.
+        /// </summary>
         VeryHigh = 6,
+
+        /// <summary>
+        /// Even casual use is a danger to region stability, or function allows
+        /// console or OS command execution, or function allows taking money
+        /// without consent, or allows deletion or modification of user data,
+        /// or allows the compromise of sensitive data by design.
+        /// </summary>
         Severe = 7
     };
 

OpenSim/Region/ScriptEngine/Shared/Api/Runtime/LSL_Constants.cs

@@ -226,6 +226,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
         public const int ATTACH_BELLY = 28;
         public const int ATTACH_RPEC = 29;
         public const int ATTACH_LPEC = 30;
+        public const int ATTACH_LEFT_PEC = 29; // Same value as ATTACH_RPEC, see https://jira.secondlife.com/browse/SVC-580
+        public const int ATTACH_RIGHT_PEC = 30; // Same value as ATTACH_LPEC, see https://jira.secondlife.com/browse/SVC-580
         public const int ATTACH_HUD_CENTER_2 = 31;
         public const int ATTACH_HUD_TOP_RIGHT = 32;
         public const int ATTACH_HUD_TOP_CENTER = 33;

OpenSim/Region/ScriptEngine/Shared/LSL_Types.cs

@@ -1064,7 +1064,7 @@ namespace OpenSim.Region.ScriptEngine.Shared
             {
                 list ret = new list();
                 double entry;
-                for (int i = 0; i < src.Data.Length - 1; i++)
+                for (int i = 0; i < src.Data.Length; i++)
                 {
                     if (double.TryParse(src.Data[i].ToString(), NumberStyles.Float, Culture.NumberFormatInfo, out entry))
                     {

OpenSim/Region/ScriptEngine/Shared/Tests/LSL_ApiListTests.cs

@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+using System.Collections.Generic;
+using NUnit.Framework;
+using OpenSim.Framework;
+using OpenSim.Tests.Common;
+using OpenSim.Region.ScriptEngine.Shared;
+using OpenSim.Region.Framework.Scenes;
+using Nini.Config;
+using OpenSim.Region.ScriptEngine.Shared.Api;
+using OpenSim.Region.ScriptEngine.Shared.ScriptBase;
+using OpenMetaverse;
+using OpenSim.Tests.Common.Mock;
+ 
+using LSL_Float = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLFloat;
+using LSL_Integer = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLInteger;
+using LSL_List = OpenSim.Region.ScriptEngine.Shared.LSL_Types.list;
+using LSL_String = OpenSim.Region.ScriptEngine.Shared.LSL_Types.LSLString;
+
+namespace OpenSim.Region.ScriptEngine.Shared.Tests
+{
+    [TestFixture]
+    public class LSL_ApiListTests
+    {
+        private LSL_Api m_lslApi;
+
+        [SetUp]
+        public void SetUp()
+        {
+            IConfigSource initConfigSource = new IniConfigSource();
+            IConfig config = initConfigSource.AddConfig("XEngine");
+            config.Set("Enabled", "true");
+
+            Scene scene = new SceneHelpers().SetupScene();
+            SceneObjectPart part = SceneHelpers.AddSceneObject(scene).RootPart;
+
+            XEngine.XEngine engine = new XEngine.XEngine();
+            engine.Initialise(initConfigSource);
+            engine.AddRegion(scene);
+
+            m_lslApi = new LSL_Api();
+            m_lslApi.Initialize(engine, part, null);
+        }
+ 
+        [Test]
+        public void TestllListFindList()
+        {
+            TestHelpers.InMethod();
+
+            LSL_List src = new LSL_List(new LSL_Integer(1), new LSL_Integer(2), new LSL_Integer(3));
+
+            {
+                // Test for a single item that should be found
+                int result = m_lslApi.llListFindList(src, new LSL_List(new LSL_Integer(4)));
+                Assert.That(result, Is.EqualTo(-1));
+            }
+
+            {
+                // Test for a single item that should be found
+                int result = m_lslApi.llListFindList(src, new LSL_List(new LSL_Integer(2)));
+                Assert.That(result, Is.EqualTo(1));
+            }
+
+            {
+                // Test for a constant that should be found
+                int result = m_lslApi.llListFindList(src, new LSL_List(ScriptBaseClass.AGENT));
+                Assert.That(result, Is.EqualTo(0));
+            }
+
+            {
+                // Test for a list that should be found
+                int result = m_lslApi.llListFindList(src, new LSL_List(new LSL_Integer(2), new LSL_Integer(3)));
+                Assert.That(result, Is.EqualTo(1));
+            }
+
+            {
+                // Test for a single item not in the list
+                int result = m_lslApi.llListFindList(src, new LSL_List(new LSL_Integer(4)));
+                Assert.That(result, Is.EqualTo(-1));
+            }
+
+            {
+                // Test for something that should not be cast
+                int result = m_lslApi.llListFindList(src, new LSL_List(new LSL_String("4")));
+                Assert.That(result, Is.EqualTo(-1));
+            }
+
+            {
+                // Test for a list not in the list
+                int result
+                    = m_lslApi.llListFindList(
+                        src, new LSL_List(new LSL_Integer(2), new LSL_Integer(3), new LSL_Integer(4)));
+                Assert.That(result, Is.EqualTo(-1));
+            }
+
+            {
+                LSL_List srcWithConstants
+                    = new LSL_List(new LSL_Integer(3), ScriptBaseClass.AGENT, ScriptBaseClass.OS_NPC_LAND_AT_TARGET);
+
+                // Test for constants that appears in the source list that should be found
+                int result
+                    = m_lslApi.llListFindList(srcWithConstants, new LSL_List(new LSL_Integer(1), new LSL_Integer(2)));
+
+                Assert.That(result, Is.EqualTo(1));
+            }
+         }
+     }
+ }

OpenSim/Region/ScriptEngine/XEngine/XEngine.cs

@@ -589,7 +589,19 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                     if (m_Assemblies.ContainsKey(instance.AssetID))
                     {
                         string assembly = m_Assemblies[instance.AssetID];
-                        instance.SaveState(assembly);
+
+                        try
+                        {
+                            instance.SaveState(assembly);
+                        }
+                        catch (Exception e)
+                        {
+                            m_log.Error(
+                                string.Format(
+                                    "[XEngine]: Failed final state save for script {0}.{1}, item UUID {2}, prim UUID {3} in {4}.  Exception ",
+                                    instance.PrimName, instance.ScriptName, instance.ItemID, instance.ObjectID, World.Name)
+                                , e);
+                        }
                     }
 
                     // Clear the event queue and abort the instance thread
@@ -707,7 +719,18 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                     assembly = m_Assemblies[i.AssetID];
                 }
 
-                i.SaveState(assembly);
+                try
+                {
+                    i.SaveState(assembly);
+                }
+                catch (Exception e)
+                {
+                    m_log.Error(
+                        string.Format(
+                            "[XEngine]: Failed to save state of script {0}.{1}, item UUID {2}, prim UUID {3} in {4}.  Exception ",
+                            i.PrimName, i.ScriptName, i.ItemID, i.ObjectID, World.Name)
+                        , e);
+                }
             }
 
             instances.Clear();
@@ -900,6 +923,8 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                 // This delay exists to stop mono problems where script compilation and startup would stop the sim
                 // working properly for the session.
                 System.Threading.Thread.Sleep(m_StartDelay);
+
+                m_log.InfoFormat("[XEngine]: Performing initial script startup on {0}", m_Scene.Name);
             }
 
             object[] o;
@@ -915,13 +940,13 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                     if (m_InitialStartup)
                         if (scriptsStarted % 50 == 0)
                             m_log.InfoFormat(
-                                "[XEngine]: Started {0} scripts in {1}", scriptsStarted, m_Scene.RegionInfo.RegionName);
+                                "[XEngine]: Started {0} scripts in {1}", scriptsStarted, m_Scene.Name);
                 }
             }
 
             if (m_InitialStartup)
                 m_log.InfoFormat(
-                    "[XEngine]: Completed starting {0} scripts on {1}", scriptsStarted, m_Scene.RegionInfo.RegionName);
+                    "[XEngine]: Completed starting {0} scripts on {1}", scriptsStarted, m_Scene.Name);
 
             // NOTE: Despite having a lockless queue, this lock is required
             // to make sure there is never no compile thread while there
@@ -982,10 +1007,12 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                 return false;
             }
 
-            UUID assetID = item.AssetID;
+            m_log.DebugFormat(
+                "[XEngine] Loading script {0}.{1}, item UUID {2}, prim UUID {3} @ {4}.{5}",
+                part.ParentGroup.RootPart.Name, item.Name, itemID, part.UUID,
+                part.ParentGroup.RootPart.AbsolutePosition, part.ParentGroup.Scene.RegionInfo.RegionName);
 
-            //m_log.DebugFormat("[XEngine] Compiling script {0} ({1} on object {2})",
-            //        item.Name, itemID.ToString(), part.ParentGroup.RootPart.Name);
+            UUID assetID = item.AssetID;
 
             ScenePresence presence = m_Scene.GetScenePresence(item.OwnerID);
 
@@ -1164,10 +1191,10 @@ namespace OpenSim.Region.ScriptEngine.XEngine
                                                   stateSource, m_MaxScriptQueue);
 
 //                    if (DebugLevel >= 1)
-                    m_log.DebugFormat(
-                        "[XEngine] Loaded script {0}.{1}, item UUID {2}, prim UUID {3} @ {4}.{5}",
-                        part.ParentGroup.RootPart.Name, item.Name, itemID, part.UUID,
-                        part.ParentGroup.RootPart.AbsolutePosition, part.ParentGroup.Scene.RegionInfo.RegionName);
+//                    m_log.DebugFormat(
+//                        "[XEngine] Loaded script {0}.{1}, item UUID {2}, prim UUID {3} @ {4}.{5}",
+//                        part.ParentGroup.RootPart.Name, item.Name, itemID, part.UUID,
+//                        part.ParentGroup.RootPart.AbsolutePosition, part.ParentGroup.Scene.RegionInfo.RegionName);
 
                     if (presence != null)
                     {

OpenSim/Region/UserStatistics/WebStatsModule.cs

@@ -61,7 +61,7 @@ namespace OpenSim.Region.UserStatistics
         /// <summary>
         /// User statistics sessions keyed by agent ID
         /// </summary>
-        private Dictionary<UUID, UserSessionID> m_sessions = new Dictionary<UUID, UserSessionID>();
+        private Dictionary<UUID, UserSession> m_sessions = new Dictionary<UUID, UserSession>();
 
         private List<Scene> m_scenes = new List<Scene>();
         private Dictionary<string, IStatsController> reports = new Dictionary<string, IStatsController>();
@@ -319,14 +319,18 @@ namespace OpenSim.Region.UserStatistics
 
         private void OnMakeRootAgent(ScenePresence agent)
         {
+//            m_log.DebugFormat(
+//                "[WEB STATS MODULE]: Looking for session {0} for {1} in {2}",
+//                agent.ControllingClient.SessionId, agent.Name, agent.Scene.Name);
+
             lock (m_sessions)
             {
-                UserSessionID uid;
+                UserSession uid;
 
                 if (!m_sessions.ContainsKey(agent.UUID))
                 {
                     UserSessionData usd = UserSessionUtil.newUserSessionData();
-                    uid = new UserSessionID();
+                    uid = new UserSession();
                     uid.name_f = agent.Firstname;
                     uid.name_l = agent.Lastname;
                     uid.session_data = usd;
@@ -411,9 +415,9 @@ namespace OpenSim.Region.UserStatistics
             return String.Empty;
         }
 
-        private UserSessionID ParseViewerStats(string request, UUID agentID)
+        private UserSession ParseViewerStats(string request, UUID agentID)
         {
-            UserSessionID uid = new UserSessionID();
+            UserSession uid = new UserSession();
             UserSessionData usd;
             OSD message = OSDParser.DeserializeLLSDXml(request);
             OSDMap mmap;
@@ -425,22 +429,25 @@ namespace OpenSim.Region.UserStatistics
                     if (!m_sessions.ContainsKey(agentID))
                     {
                         m_log.WarnFormat("[WEB STATS MODULE]: no session for stat disclosure for agent {0}", agentID);
-                        return new UserSessionID();
+                        return new UserSession();
                     }
+
                     uid = m_sessions[agentID];
+
+//                    m_log.DebugFormat("[WEB STATS MODULE]: Got session {0} for {1}", uid.session_id, agentID);
                 }
                 else
                 {
                     // parse through the beginning to locate the session
                     if (message.Type != OSDType.Map)
-                        return new UserSessionID();
+                        return new UserSession();
 
                     mmap = (OSDMap)message;
                     {
                         UUID sessionID = mmap["session_id"].AsUUID();
 
                         if (sessionID == UUID.Zero)
-                            return new UserSessionID();
+                            return new UserSession();
 
 
                         // search through each session looking for the owner
@@ -459,7 +466,7 @@ namespace OpenSim.Region.UserStatistics
                         // can't find a session
                         if (agentID == UUID.Zero)
                         {
-                            return new UserSessionID();
+                            return new UserSession();
                         }
                     }
                 }
@@ -468,12 +475,12 @@ namespace OpenSim.Region.UserStatistics
             usd = uid.session_data;
 
             if (message.Type != OSDType.Map)
-                return new UserSessionID();
+                return new UserSession();
 
             mmap = (OSDMap)message;
             {
                 if (mmap["agent"].Type != OSDType.Map)
-                    return new UserSessionID();
+                    return new UserSession();
                 OSDMap agent_map = (OSDMap)mmap["agent"];
                 usd.agent_id = agentID;
                 usd.name_f = uid.name_f;
@@ -493,17 +500,18 @@ namespace OpenSim.Region.UserStatistics
                                                  (float)agent_map["fps"].AsReal());
 
                 if (mmap["downloads"].Type != OSDType.Map)
-                    return new UserSessionID();
+                    return new UserSession();
                 OSDMap downloads_map = (OSDMap)mmap["downloads"];
                 usd.d_object_kb = (float)downloads_map["object_kbytes"].AsReal();
                 usd.d_texture_kb = (float)downloads_map["texture_kbytes"].AsReal();
                 usd.d_world_kb = (float)downloads_map["workd_kbytes"].AsReal();
 
+//                m_log.DebugFormat("[WEB STATS MODULE]: mmap[\"session_id\"] = [{0}]", mmap["session_id"].AsUUID());
 
                 usd.session_id = mmap["session_id"].AsUUID();
 
                 if (mmap["system"].Type != OSDType.Map)
-                    return new UserSessionID();
+                    return new UserSession();
                 OSDMap system_map = (OSDMap)mmap["system"];
 
                 usd.s_cpu = system_map["cpu"].AsString();
@@ -512,13 +520,13 @@ namespace OpenSim.Region.UserStatistics
                 usd.s_ram = system_map["ram"].AsInteger();
 
                 if (mmap["stats"].Type != OSDType.Map)
-                    return new UserSessionID();
+                    return new UserSession();
 
                 OSDMap stats_map = (OSDMap)mmap["stats"];
                 {
 
                     if (stats_map["failures"].Type != OSDType.Map)
-                        return new UserSessionID();
+                        return new UserSession();
                     OSDMap stats_failures = (OSDMap)stats_map["failures"];
                     usd.f_dropped = stats_failures["dropped"].AsInteger();
                     usd.f_failed_resends = stats_failures["failed_resends"].AsInteger();
@@ -527,18 +535,18 @@ namespace OpenSim.Region.UserStatistics
                     usd.f_send_packet = stats_failures["send_packet"].AsInteger();
 
                     if (stats_map["net"].Type != OSDType.Map)
-                        return new UserSessionID();
+                        return new UserSession();
                     OSDMap stats_net = (OSDMap)stats_map["net"];
                     {
                         if (stats_net["in"].Type != OSDType.Map)
-                            return new UserSessionID();
+                            return new UserSession();
 
                         OSDMap net_in = (OSDMap)stats_net["in"];
                         usd.n_in_kb = (float)net_in["kbytes"].AsReal();
                         usd.n_in_pk = net_in["packets"].AsInteger();
 
                         if (stats_net["out"].Type != OSDType.Map)
-                            return new UserSessionID();
+                            return new UserSession();
                         OSDMap net_out = (OSDMap)stats_net["out"];
 
                         usd.n_out_kb = (float)net_out["kbytes"].AsReal();
@@ -549,11 +557,18 @@ namespace OpenSim.Region.UserStatistics
 
             uid.session_data = usd;
             m_sessions[agentID] = uid;
+
+//            m_log.DebugFormat(
+//                "[WEB STATS MODULE]: Parse data for {0} {1}, session {2}", uid.name_f, uid.name_l, uid.session_id);
+
             return uid;
         }
 
-        private void UpdateUserStats(UserSessionID uid, SqliteConnection db)
+        private void UpdateUserStats(UserSession uid, SqliteConnection db)
         {
+//            m_log.DebugFormat(
+//                "[WEB STATS MODULE]: Updating user stats for {0} {1}, session {2}", uid.name_f, uid.name_l, uid.session_id);
+
             if (uid.session_id == UUID.Zero)
                 return;
 
@@ -740,7 +755,6 @@ VALUES
             s.min_ping = ArrayMin_f(__ping);
             s.max_ping = ArrayMax_f(__ping);
             s.mode_ping = ArrayMode_f(__ping);
-
         }
 
         #region Statistics
@@ -985,7 +999,7 @@ VALUES
     }
     #region structs
 
-    public struct UserSessionID
+    public class UserSession
     {
         public UUID session_id;
         public UUID region_id;

OpenSim/Server/Base/ServicesServerBase.cs

@@ -26,6 +26,7 @@
  */
 
 using System;
+using System.Collections.Generic;
 using System.IO;
 using System.Reflection;
 using System.Threading;
@@ -71,10 +72,17 @@ namespace OpenSim.Server.Base
         //
         private string m_pidFile = String.Empty;
 
+        /// <summary>
+        /// Time at which this server was started
+        /// </summary>
+        protected DateTime m_startuptime;
+
         // Handle all the automagical stuff
         //
         public ServicesServerBase(string prompt, string[] args)
         {
+            m_startuptime = DateTime.Now;
+
             // Save raw arguments
             //
             m_Arguments = args;
@@ -250,6 +258,10 @@ namespace OpenSim.Server.Base
                                           "command-script <script>",
                                           "Run a command script from file", HandleScript);
 
+            MainConsole.Instance.Commands.AddCommand("General", false, "show uptime",
+                        "show uptime",
+                        "Show server uptime", HandleShow);
+
 
             // Allow derived classes to perform initialization that
             // needs to be done after the console has opened
@@ -345,5 +357,34 @@ namespace OpenSim.Server.Base
             {
             }
         }
+
+        public virtual void HandleShow(string module, string[] cmd)
+        {
+            List<string> args = new List<string>(cmd);
+
+            args.RemoveAt(0);
+
+            string[] showParams = args.ToArray();
+
+            switch (showParams[0])
+            {
+                case "uptime":
+                    MainConsole.Instance.Output(GetUptimeReport());
+                    break;
+            }
+        }
+
+        /// <summary>
+        /// Return a report about the uptime of this server
+        /// </summary>
+        /// <returns></returns>
+        protected string GetUptimeReport()
+        {
+            StringBuilder sb = new StringBuilder(String.Format("Time now is {0}\n", DateTime.Now));
+            sb.Append(String.Format("Server has been running since {0}, {1}\n", m_startuptime.DayOfWeek, m_startuptime));
+            sb.Append(String.Format("That is an elapsed time of {0}\n", DateTime.Now - m_startuptime));
+
+            return sb.ToString();
+        }
     }
 }