402 lines
14 KiB
C#
Executable File
402 lines
14 KiB
C#
Executable File
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Collections.Concurrent;
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using System.Reflection;
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using System.Threading;
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using Mono.Addins;
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using OpenSim.Framework.Monitoring;
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using log4net;
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using Nini.Config;
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using OpenMetaverse;
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using OpenSim.Capabilities.Handlers;
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using OpenSim.Framework;
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using OpenSim.Framework.Servers;
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using OpenSim.Framework.Servers.HttpServer;
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using OpenSim.Region.Framework.Interfaces;
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using OpenSim.Region.Framework.Scenes;
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using OpenSim.Services.Interfaces;
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using Caps = OpenSim.Framework.Capabilities.Caps;
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namespace OpenSim.Region.ClientStack.Linden
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{
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[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "GetAssetsModule")]
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public class GetAssetsModule : INonSharedRegionModule
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{
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// private static readonly ILog m_log =
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// LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private Scene m_scene;
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private bool m_Enabled;
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private string m_GetTextureURL;
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private string m_GetMeshURL;
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private string m_GetMesh2URL;
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private string m_GetAssetURL;
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class APollRequest
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{
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public PollServiceAssetEventArgs thepoll;
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public UUID reqID;
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public OSHttpRequest request;
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}
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public class APollResponse
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{
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public OSHttpResponse osresponse;
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}
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private static IAssetService m_assetService = null;
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private static GetAssetsHandler m_getAssetHandler;
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private static ObjectJobEngine m_workerpool = null;
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private static int m_NumberScenes = 0;
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private static object m_loadLock = new object();
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protected IUserManagement m_UserManagement = null;
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#region Region Module interfaceBase Members
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public Type ReplaceableInterface
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{
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get { return null; }
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}
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public void Initialise(IConfigSource source)
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{
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IConfig config = source.Configs["ClientStack.LindenCaps"];
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if (config == null)
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return;
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m_GetTextureURL = config.GetString("Cap_GetTexture", string.Empty);
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if (m_GetTextureURL != string.Empty)
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m_Enabled = true;
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m_GetMeshURL = config.GetString("Cap_GetMesh", string.Empty);
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if (m_GetMeshURL != string.Empty)
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m_Enabled = true;
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m_GetMesh2URL = config.GetString("Cap_GetMesh2", string.Empty);
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if (m_GetMesh2URL != string.Empty)
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m_Enabled = true;
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m_GetAssetURL = config.GetString("Cap_GetAsset", string.Empty);
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if (m_GetAssetURL != string.Empty)
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m_Enabled = true;
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}
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public void AddRegion(Scene pScene)
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{
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if (!m_Enabled)
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return;
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m_scene = pScene;
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}
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public void RemoveRegion(Scene s)
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{
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if (!m_Enabled)
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return;
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s.EventManager.OnRegisterCaps -= RegisterCaps;
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m_NumberScenes--;
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m_scene = null;
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}
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public void RegionLoaded(Scene s)
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{
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if (!m_Enabled)
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return;
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lock(m_loadLock)
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{
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if (m_assetService == null)
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{
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m_assetService = s.RequestModuleInterface<IAssetService>();
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// We'll reuse the same handler for all requests.
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m_getAssetHandler = new GetAssetsHandler(m_assetService);
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}
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if (m_assetService == null)
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{
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m_Enabled = false;
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return;
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}
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if(m_UserManagement == null)
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m_UserManagement = s.RequestModuleInterface<IUserManagement>();
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s.EventManager.OnRegisterCaps += RegisterCaps;
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m_NumberScenes++;
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if (m_workerpool == null)
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m_workerpool = new ObjectJobEngine(DoAssetRequests, "GetCapsAssetWorker", 1000, 3);
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}
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}
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public void Close()
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{
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if(m_NumberScenes <= 0 && m_workerpool != null)
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{
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m_workerpool.Dispose();
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m_workerpool = null;
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}
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}
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public string Name { get { return "GetAssetsModule"; } }
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#endregion
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private static void DoAssetRequests(object o)
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{
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if (m_NumberScenes <= 0)
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return;
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APollRequest poolreq = o as APollRequest;
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if (poolreq != null && !poolreq.reqID.IsZero())
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poolreq.thepoll.Process(poolreq);
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}
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private class PollServiceAssetEventArgs : PollServiceEventArgs
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{
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//private List<Hashtable> requests = new List<Hashtable>();
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private List<OSHttpRequest> requests = new List<OSHttpRequest>();
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private Dictionary<UUID, APollResponse> responses =new Dictionary<UUID, APollResponse>();
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private HashSet<UUID> dropedResponses = new HashSet<UUID>();
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private Scene m_scene;
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private string m_hgassets = null;
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public PollServiceAssetEventArgs(string uri, UUID pId, Scene scene, string HGAssetSVC) :
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base(null, uri, null, null, null, null, pId, int.MaxValue)
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{
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m_scene = scene;
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m_hgassets = HGAssetSVC;
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HasEvents = delegate(UUID requestID, UUID _)
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{
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lock (responses)
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{
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return responses.ContainsKey(requestID);
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}
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};
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Drop = delegate(UUID requestID, UUID _)
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{
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lock (responses)
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{
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responses.Remove(requestID);
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lock(dropedResponses)
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dropedResponses.Add(requestID);
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}
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};
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GetEvents = delegate(UUID requestID, UUID _)
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{
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lock (responses)
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{
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if(responses.Remove(requestID, out APollResponse apr))
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{
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OSHttpResponse response = apr.osresponse;
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if (response.Priority < 0)
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response.Priority = 0;
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Hashtable lixo = new()
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{
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["h"] = response
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};
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return lixo;
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}
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}
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return new Hashtable();
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};
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Request = delegate (UUID requestID, OSHttpRequest request)
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{
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APollRequest reqinfo = new()
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{
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thepoll = this,
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reqID = requestID,
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request = request
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};
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m_workerpool.Enqueue(reqinfo);
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return null;
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};
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// this should never happen except possible on shutdown
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NoEvents = delegate (UUID _, UUID _)
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{
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/*
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lock (requests)
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{
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Hashtable request = requests.Find(id => id["RequestID"].ToString() == x.ToString());
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requests.Remove(request);
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}
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*/
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Hashtable response = new Hashtable();
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response["int_response_code"] = 500;
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response["str_response_string"] = "timeout";
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response["content_type"] = "text/plain";
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response["keepalive"] = false;
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return response;
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};
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}
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public void Process(APollRequest requestinfo)
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{
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UUID requestID = requestinfo.reqID;
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if(m_scene.ShuttingDown)
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return;
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lock(responses)
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{
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lock(dropedResponses)
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{
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if(dropedResponses.Contains(requestID))
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{
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dropedResponses.Remove(requestID);
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return;
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}
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}
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/* can't do this with current viewers; HG problem
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// If the avatar is gone, don't bother to get the texture
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if(m_scene.GetScenePresence(Id) == null)
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{
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curresponse = new Hashtable();
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curresponse["int_response_code"] = 500;
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curresponse["str_response_string"] = "timeout";
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curresponse["content_type"] = "text/plain";
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curresponse["keepalive"] = false;
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responses[requestID] = new APollResponse() { bytes = 0, response = curresponse };
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return;
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}
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*/
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}
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OSHttpResponse response = new OSHttpResponse(requestinfo.request);
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m_getAssetHandler.Handle(requestinfo.request, response, m_hgassets);
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lock(responses)
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{
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lock(dropedResponses)
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{
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if(dropedResponses.Contains(requestID))
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{
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dropedResponses.Remove(requestID);
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return;
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}
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}
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APollResponse preq= new APollResponse()
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{
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osresponse = response
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};
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responses[requestID] = preq;
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}
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}
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}
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public void RegisterCaps(UUID agentID, Caps caps)
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{
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/*
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string hostName = m_scene.RegionInfo.ExternalHostName;
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uint port = (MainServer.Instance == null) ? 0 : MainServer.Instance.Port;
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string protocol = "http";
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if (MainServer.Instance.UseSSL)
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{
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hostName = MainServer.Instance.SSLCommonName;
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port = MainServer.Instance.SSLPort;
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protocol = "https";
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}
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string baseURL = String.Format("{0}://{1}:{2}", protocol, hostName, port);
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*/
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string hgassets = null;
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if(m_UserManagement != null)
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hgassets = m_UserManagement.GetUserServerURL(agentID, "AssetServerURI");
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IExternalCapsModule handler = m_scene.RequestModuleInterface<IExternalCapsModule>();
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if (m_GetTextureURL.Equals("localhost"))
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{
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string capUrl = "/" + UUID.Random();
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if (handler != null)
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handler.RegisterExternalUserCapsHandler(agentID, caps, "GetTexture", capUrl);
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else
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caps.RegisterPollHandler("GetTexture", new PollServiceAssetEventArgs(capUrl, agentID, m_scene, hgassets));
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}
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else
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{
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caps.RegisterHandler("GetTexture", m_GetTextureURL);
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}
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//GetMesh
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if (m_GetMeshURL.Equals("localhost"))
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{
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string capUrl = "/" + UUID.Random();
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if (handler != null)
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handler.RegisterExternalUserCapsHandler(agentID, caps, "GetMesh", capUrl);
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else
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caps.RegisterPollHandler("GetMesh", new PollServiceAssetEventArgs(capUrl, agentID, m_scene, hgassets));
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}
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else if (!string.IsNullOrEmpty(m_GetMeshURL))
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caps.RegisterHandler("GetMesh", m_GetMeshURL);
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//GetMesh2
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if (m_GetMesh2URL.Equals("localhost"))
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{
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string capUrl = "/" + UUID.Random();
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if (handler != null)
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handler.RegisterExternalUserCapsHandler(agentID, caps, "GetMesh2", capUrl);
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else
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caps.RegisterPollHandler("GetMesh2", new PollServiceAssetEventArgs(capUrl, agentID, m_scene, hgassets));
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}
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else if (!string.IsNullOrEmpty(m_GetMesh2URL))
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caps.RegisterHandler("GetMesh2", m_GetMesh2URL);
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//ViewerAsset
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if (m_GetAssetURL.Equals("localhost"))
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{
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string capUrl = "/" + UUID.Random();
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if (handler != null)
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handler.RegisterExternalUserCapsHandler(agentID, caps, "ViewerAsset", capUrl);
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else
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caps.RegisterPollHandler("ViewerAsset", new PollServiceAssetEventArgs(capUrl, agentID, m_scene, hgassets));
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}
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else if (!string.IsNullOrEmpty(m_GetAssetURL))
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caps.RegisterHandler("ViewerAsset", m_GetAssetURL);
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}
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}
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}
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