9875e840f7
functions into one for node type and one for value type. Define and export constants for both nodes and values.
550 lines
18 KiB
C#
550 lines
18 KiB
C#
/*
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* Copyright (c) Contributors
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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 OpenSim 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 Mono.Addins;
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using System;
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using System.Reflection;
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using System.Threading;
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using System.Text;
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using System.Net;
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using System.Net.Sockets;
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using log4net;
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using Nini.Config;
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using OpenMetaverse;
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using OpenMetaverse.StructuredData;
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using OpenSim.Framework;
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using OpenSim.Region.Framework.Interfaces;
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using OpenSim.Region.Framework.Scenes;
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using System.Collections.Generic;
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using System.Text.RegularExpressions;
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namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
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{
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[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "JsonStoreModule")]
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public class JsonStoreModule : INonSharedRegionModule, IJsonStoreModule
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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 IConfig m_config = null;
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private bool m_enabled = false;
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private bool m_enableObjectStore = false;
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private int m_maxStringSpace = Int32.MaxValue;
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private Scene m_scene = null;
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private Dictionary<UUID,JsonStore> m_JsonValueStore;
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private UUID m_sharedStore;
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#region Region Module interface
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// -----------------------------------------------------------------
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/// <summary>
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/// Name of this shared module is it's class name
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/// </summary>
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// -----------------------------------------------------------------
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public string Name
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{
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get { return this.GetType().Name; }
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}
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// -----------------------------------------------------------------
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/// <summary>
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/// Initialise this shared module
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/// </summary>
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/// <param name="scene">this region is getting initialised</param>
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/// <param name="source">nini config, we are not using this</param>
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// -----------------------------------------------------------------
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public void Initialise(IConfigSource config)
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{
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try
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{
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if ((m_config = config.Configs["JsonStore"]) == null)
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{
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// There is no configuration, the module is disabled
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// m_log.InfoFormat("[JsonStore] no configuration info");
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return;
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}
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m_enabled = m_config.GetBoolean("Enabled", m_enabled);
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m_enableObjectStore = m_config.GetBoolean("EnableObjectStore", m_enableObjectStore);
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m_maxStringSpace = m_config.GetInt("MaxStringSpace", m_maxStringSpace);
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if (m_maxStringSpace == 0)
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m_maxStringSpace = Int32.MaxValue;
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}
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catch (Exception e)
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{
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m_log.Error("[JsonStore]: initialization error: {0}", e);
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return;
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}
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if (m_enabled)
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m_log.DebugFormat("[JsonStore]: module is enabled");
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}
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// -----------------------------------------------------------------
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/// <summary>
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/// everything is loaded, perform post load configuration
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/// </summary>
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// -----------------------------------------------------------------
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public void PostInitialise()
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{
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}
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// -----------------------------------------------------------------
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/// <summary>
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/// Nothing to do on close
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/// </summary>
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// -----------------------------------------------------------------
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public void Close()
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{
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}
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// -----------------------------------------------------------------
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/// <summary>
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/// </summary>
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// -----------------------------------------------------------------
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public void AddRegion(Scene scene)
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{
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if (m_enabled)
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{
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m_scene = scene;
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m_scene.RegisterModuleInterface<IJsonStoreModule>(this);
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m_sharedStore = UUID.Zero;
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m_JsonValueStore = new Dictionary<UUID,JsonStore>();
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m_JsonValueStore.Add(m_sharedStore,new JsonStore(""));
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}
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}
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// -----------------------------------------------------------------
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/// <summary>
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/// </summary>
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// -----------------------------------------------------------------
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public void RemoveRegion(Scene scene)
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{
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// need to remove all references to the scene in the subscription
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// list to enable full garbage collection of the scene object
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}
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// -----------------------------------------------------------------
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/// <summary>
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/// Called when all modules have been added for a region. This is
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/// where we hook up events
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/// </summary>
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// -----------------------------------------------------------------
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public void RegionLoaded(Scene scene)
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{
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if (m_enabled) {}
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}
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/// -----------------------------------------------------------------
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/// <summary>
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/// </summary>
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// -----------------------------------------------------------------
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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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#endregion
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#region ScriptInvocationInteface
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// -----------------------------------------------------------------
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/// <summary>
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///
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/// </summary>
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// -----------------------------------------------------------------
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public bool AttachObjectStore(UUID objectID)
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{
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if (! m_enabled) return false;
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if (! m_enableObjectStore) return false;
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SceneObjectPart sop = m_scene.GetSceneObjectPart(objectID);
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if (sop == null)
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{
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m_log.ErrorFormat("[JsonStore] unable to attach to unknown object; {0}", objectID);
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return false;
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}
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lock (m_JsonValueStore)
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{
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if (m_JsonValueStore.ContainsKey(objectID))
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return true;
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JsonStore map = new JsonObjectStore(m_scene,objectID);
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m_JsonValueStore.Add(objectID,map);
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}
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return true;
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}
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// -----------------------------------------------------------------
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/// <summary>
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///
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/// </summary>
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// -----------------------------------------------------------------
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public bool CreateStore(string value, ref UUID result)
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{
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if (result == UUID.Zero)
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result = UUID.Random();
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JsonStore map = null;
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if (! m_enabled) return false;
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try
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{
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map = new JsonStore(value);
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}
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catch (Exception e)
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{
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m_log.ErrorFormat("[JsonStore]: Unable to initialize store from {0}", value);
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return false;
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}
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lock (m_JsonValueStore)
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m_JsonValueStore.Add(result,map);
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return true;
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}
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// -----------------------------------------------------------------
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/// <summary>
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///
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/// </summary>
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// -----------------------------------------------------------------
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public bool DestroyStore(UUID storeID)
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{
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if (! m_enabled) return false;
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lock (m_JsonValueStore)
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return m_JsonValueStore.Remove(storeID);
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return true;
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}
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// -----------------------------------------------------------------
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/// <summary>
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///
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/// </summary>
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// -----------------------------------------------------------------
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public bool TestStore(UUID storeID)
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{
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if (! m_enabled) return false;
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lock (m_JsonValueStore)
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return m_JsonValueStore.ContainsKey(storeID);
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}
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// -----------------------------------------------------------------
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/// <summary>
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///
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/// </summary>
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// -----------------------------------------------------------------
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public JsonStoreNodeType GetNodeType(UUID storeID, string path)
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{
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if (! m_enabled) return JsonStoreNodeType.Undefined;
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JsonStore map = null;
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lock (m_JsonValueStore)
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{
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if (! m_JsonValueStore.TryGetValue(storeID,out map))
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{
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m_log.InfoFormat("[JsonStore] Missing store {0}",storeID);
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return JsonStoreNodeType.Undefined;
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}
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}
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try
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{
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lock (map)
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return map.GetNodeType(path);
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}
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catch (Exception e)
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{
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m_log.Error(string.Format("[JsonStore]: Path test failed for {0} in {1}", path, storeID), e);
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}
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return JsonStoreNodeType.Undefined;
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}
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// -----------------------------------------------------------------
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/// <summary>
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///
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/// </summary>
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// -----------------------------------------------------------------
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public JsonStoreValueType GetValueType(UUID storeID, string path)
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{
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if (! m_enabled) return JsonStoreValueType.Undefined;
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JsonStore map = null;
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lock (m_JsonValueStore)
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{
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if (! m_JsonValueStore.TryGetValue(storeID,out map))
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{
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m_log.InfoFormat("[JsonStore] Missing store {0}",storeID);
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return JsonStoreValueType.Undefined;
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}
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}
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try
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{
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lock (map)
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return map.GetValueType(path);
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}
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catch (Exception e)
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{
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m_log.Error(string.Format("[JsonStore]: Path test failed for {0} in {1}", path, storeID), e);
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}
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return JsonStoreValueType.Undefined;
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}
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// -----------------------------------------------------------------
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/// <summary>
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///
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/// </summary>
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// -----------------------------------------------------------------
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public bool SetValue(UUID storeID, string path, string value, bool useJson)
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{
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if (! m_enabled) return false;
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JsonStore map = null;
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lock (m_JsonValueStore)
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{
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if (! m_JsonValueStore.TryGetValue(storeID,out map))
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{
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m_log.InfoFormat("[JsonStore] Missing store {0}",storeID);
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return false;
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}
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}
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try
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{
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lock (map)
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{
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if (map.StringSpace > m_maxStringSpace)
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{
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m_log.WarnFormat("[JsonStore] {0} exceeded string size; {1} bytes used of {2} limit",
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storeID,map.StringSpace,m_maxStringSpace);
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return false;
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}
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return map.SetValue(path,value,useJson);
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}
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}
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catch (Exception e)
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{
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m_log.Error(string.Format("[JsonStore]: Unable to assign {0} to {1} in {2}", value, path, storeID), e);
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}
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return false;
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}
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// -----------------------------------------------------------------
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/// <summary>
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///
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/// </summary>
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// -----------------------------------------------------------------
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public bool RemoveValue(UUID storeID, string path)
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{
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if (! m_enabled) return false;
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JsonStore map = null;
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lock (m_JsonValueStore)
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{
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if (! m_JsonValueStore.TryGetValue(storeID,out map))
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{
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m_log.InfoFormat("[JsonStore] Missing store {0}",storeID);
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return false;
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}
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}
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try
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{
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lock (map)
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return map.RemoveValue(path);
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}
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catch (Exception e)
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{
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m_log.Error(string.Format("[JsonStore]: Unable to remove {0} in {1}", path, storeID), e);
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}
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return false;
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}
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// -----------------------------------------------------------------
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/// <summary>
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///
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/// </summary>
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// -----------------------------------------------------------------
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public int GetArrayLength(UUID storeID, string path)
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{
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if (! m_enabled) return -1;
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JsonStore map = null;
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lock (m_JsonValueStore)
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{
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if (! m_JsonValueStore.TryGetValue(storeID,out map))
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return -1;
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}
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try
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{
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lock (map)
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{
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return map.ArrayLength(path);
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}
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}
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catch (Exception e)
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{
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m_log.Error("[JsonStore]: unable to retrieve value", e);
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}
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return -1;
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}
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// -----------------------------------------------------------------
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/// <summary>
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///
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/// </summary>
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// -----------------------------------------------------------------
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public bool GetValue(UUID storeID, string path, bool useJson, out string value)
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{
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value = String.Empty;
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if (! m_enabled) return false;
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JsonStore map = null;
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lock (m_JsonValueStore)
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{
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if (! m_JsonValueStore.TryGetValue(storeID,out map))
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return false;
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}
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try
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{
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lock (map)
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{
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return map.GetValue(path, out value, useJson);
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}
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}
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catch (Exception e)
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{
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m_log.Error("[JsonStore]: unable to retrieve value", e);
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}
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return false;
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}
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// -----------------------------------------------------------------
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/// <summary>
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///
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/// </summary>
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// -----------------------------------------------------------------
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public void TakeValue(UUID storeID, string path, bool useJson, TakeValueCallback cback)
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{
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if (! m_enabled)
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{
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cback(String.Empty);
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return;
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}
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JsonStore map = null;
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lock (m_JsonValueStore)
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{
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if (! m_JsonValueStore.TryGetValue(storeID,out map))
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{
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cback(String.Empty);
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return;
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}
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}
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try
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{
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lock (map)
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{
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map.TakeValue(path, useJson, cback);
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return;
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}
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}
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catch (Exception e)
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{
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m_log.Error("[JsonStore] unable to retrieve value", e);
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}
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cback(String.Empty);
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}
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// -----------------------------------------------------------------
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/// <summary>
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///
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/// </summary>
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// -----------------------------------------------------------------
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public void ReadValue(UUID storeID, string path, bool useJson, TakeValueCallback cback)
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{
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if (! m_enabled)
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{
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cback(String.Empty);
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return;
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}
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JsonStore map = null;
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lock (m_JsonValueStore)
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{
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if (! m_JsonValueStore.TryGetValue(storeID,out map))
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{
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cback(String.Empty);
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return;
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}
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}
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try
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{
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lock (map)
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{
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map.ReadValue(path, useJson, cback);
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return;
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}
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}
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catch (Exception e)
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{
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m_log.Error("[JsonStore]: unable to retrieve value", e);
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}
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cback(String.Empty);
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}
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#endregion
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}
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}
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