369 lines
13 KiB
C#
369 lines
13 KiB
C#
/*
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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.Reflection;
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using System.Threading;
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using log4net;
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using Nini.Config;
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using Mono.Addins;
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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.Framework.Monitoring;
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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.Framework.Capabilities;
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using OpenSim.Services.Interfaces;
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using Caps = OpenSim.Framework.Capabilities.Caps;
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using OpenSim.Capabilities.Handlers;
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namespace OpenSim.Region.ClientStack.Linden
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{
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/// <summary>
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/// This module implements both WebFetchInventoryDescendents and FetchInventoryDescendents2 capabilities.
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/// </summary>
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[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "WebFetchInvDescModule")]
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public class WebFetchInvDescModule : INonSharedRegionModule
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{
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class aPollRequest
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{
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public PollServiceInventoryEventArgs thepoll;
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public UUID reqID;
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public Hashtable request;
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public ScenePresence presence;
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public List<UUID> folders;
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}
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// private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private Scene m_scene;
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private IInventoryService m_InventoryService;
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private ILibraryService m_LibraryService;
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private bool m_Enabled;
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private string m_fetchInventoryDescendents2Url;
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private string m_webFetchInventoryDescendentsUrl;
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private static WebFetchInvDescHandler m_webFetchHandler;
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private static Thread[] m_workerThreads = null;
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private static DoubleQueue<aPollRequest> m_queue =
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new DoubleQueue<aPollRequest>();
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#region ISharedRegionModule Members
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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_fetchInventoryDescendents2Url = config.GetString("Cap_FetchInventoryDescendents2", string.Empty);
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m_webFetchInventoryDescendentsUrl = config.GetString("Cap_WebFetchInventoryDescendents", string.Empty);
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if (m_fetchInventoryDescendents2Url != string.Empty || m_webFetchInventoryDescendentsUrl != string.Empty)
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{
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m_Enabled = true;
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}
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}
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public void AddRegion(Scene s)
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{
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if (!m_Enabled)
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return;
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m_scene = s;
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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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m_scene.EventManager.OnRegisterCaps -= RegisterCaps;
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foreach (Thread t in m_workerThreads)
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Watchdog.AbortThread(t.ManagedThreadId);
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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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m_InventoryService = m_scene.InventoryService;
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m_LibraryService = m_scene.LibraryService;
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// We'll reuse the same handler for all requests.
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m_webFetchHandler = new WebFetchInvDescHandler(m_InventoryService, m_LibraryService);
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m_scene.EventManager.OnRegisterCaps += RegisterCaps;
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if (m_workerThreads == null)
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{
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m_workerThreads = new Thread[2];
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for (uint i = 0; i < 2; i++)
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{
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m_workerThreads[i] = Watchdog.StartThread(DoInventoryRequests,
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String.Format("InventoryWorkerThread{0}", i),
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ThreadPriority.Normal,
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false,
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true,
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null,
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int.MaxValue);
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}
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}
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}
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public void PostInitialise()
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{
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}
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public void Close() { }
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public string Name { get { return "WebFetchInvDescModule"; } }
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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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private class PollServiceInventoryEventArgs : PollServiceEventArgs
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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private Dictionary<UUID, Hashtable> responses =
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new Dictionary<UUID, Hashtable>();
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private Scene m_scene;
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public PollServiceInventoryEventArgs(Scene scene, string url, UUID pId) :
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base(null, url, null, null, null, pId, int.MaxValue)
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{
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m_scene = scene;
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HasEvents = (x, y) => { lock (responses) return responses.ContainsKey(x); };
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GetEvents = (x, y) =>
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{
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lock (responses)
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{
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try
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{
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return responses[x];
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}
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finally
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{
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responses.Remove(x);
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}
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}
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};
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Request = (x, y) =>
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{
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ScenePresence sp = m_scene.GetScenePresence(Id);
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if (sp == null)
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{
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m_log.ErrorFormat("[INVENTORY]: Unable to find ScenePresence for {0}", Id);
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return;
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}
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aPollRequest reqinfo = new aPollRequest();
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reqinfo.thepoll = this;
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reqinfo.reqID = x;
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reqinfo.request = y;
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reqinfo.presence = sp;
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reqinfo.folders = new List<UUID>();
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// Decode the request here
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string request = y["body"].ToString();
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request = request.Replace("<string>00000000-0000-0000-0000-000000000000</string>", "<uuid>00000000-0000-0000-0000-000000000000</uuid>");
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request = request.Replace("<key>fetch_folders</key><integer>0</integer>", "<key>fetch_folders</key><boolean>0</boolean>");
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request = request.Replace("<key>fetch_folders</key><integer>1</integer>", "<key>fetch_folders</key><boolean>1</boolean>");
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Hashtable hash = new Hashtable();
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try
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{
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hash = (Hashtable)LLSD.LLSDDeserialize(Utils.StringToBytes(request));
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}
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catch (LLSD.LLSDParseException e)
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{
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m_log.ErrorFormat("[INVENTORY]: Fetch error: {0}{1}" + e.Message, e.StackTrace);
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m_log.Error("Request: " + request);
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return;
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}
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catch (System.Xml.XmlException)
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{
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m_log.ErrorFormat("[INVENTORY]: XML Format error");
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}
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ArrayList foldersrequested = (ArrayList)hash["folders"];
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bool highPriority = false;
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for (int i = 0; i < foldersrequested.Count; i++)
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{
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Hashtable inventoryhash = (Hashtable)foldersrequested[i];
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string folder = inventoryhash["folder_id"].ToString();
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UUID folderID;
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if (UUID.TryParse(folder, out folderID))
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{
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if (!reqinfo.folders.Contains(folderID))
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{
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//TODO: Port COF handling from Avination
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reqinfo.folders.Add(folderID);
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}
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}
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}
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if (highPriority)
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m_queue.EnqueueHigh(reqinfo);
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else
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m_queue.EnqueueLow(reqinfo);
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};
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NoEvents = (x, y) =>
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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"] = "Script timeout";
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response["content_type"] = "text/plain";
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response["keepalive"] = false;
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response["reusecontext"] = 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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Hashtable response = new Hashtable();
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response["int_response_code"] = 200;
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response["content_type"] = "text/plain";
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response["keepalive"] = false;
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response["reusecontext"] = false;
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response["str_response_string"] = m_webFetchHandler.FetchInventoryDescendentsRequest(
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requestinfo.request["body"].ToString(), String.Empty, String.Empty, null, null);
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lock (responses)
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responses[requestID] = response;
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}
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}
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private void RegisterCaps(UUID agentID, Caps caps)
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{
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RegisterFetchDescendentsCap(agentID, caps, "FetchInventoryDescendents2", m_fetchInventoryDescendents2Url);
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}
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private void RegisterFetchDescendentsCap(UUID agentID, Caps caps, string capName, string url)
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{
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string capUrl;
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// disable the cap clause
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if (url == "")
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{
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return;
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}
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// handled by the simulator
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else if (url == "localhost")
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{
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capUrl = "/CAPS/" + UUID.Random() + "/";
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// Register this as a poll service
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PollServiceInventoryEventArgs args = new PollServiceInventoryEventArgs(m_scene, capUrl, agentID);
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args.Type = PollServiceEventArgs.EventType.Inventory;
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caps.RegisterPollHandler(capName, args);
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}
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// external handler
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else
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{
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capUrl = url;
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IExternalCapsModule handler = m_scene.RequestModuleInterface<IExternalCapsModule>();
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if (handler != null)
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handler.RegisterExternalUserCapsHandler(agentID,caps,capName,capUrl);
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else
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caps.RegisterHandler(capName, capUrl);
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}
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// m_log.DebugFormat(
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// "[FETCH INVENTORY DESCENDENTS2 MODULE]: Registered capability {0} at {1} in region {2} for {3}",
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// capName, capUrl, m_scene.RegionInfo.RegionName, agentID);
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}
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// private void DeregisterCaps(UUID agentID, Caps caps)
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// {
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// string capUrl;
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//
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// if (m_capsDict.TryGetValue(agentID, out capUrl))
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// {
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// MainServer.Instance.RemoveHTTPHandler("", capUrl);
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// m_capsDict.Remove(agentID);
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// }
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// }
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private void DoInventoryRequests()
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{
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while (true)
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{
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Watchdog.UpdateThread();
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aPollRequest poolreq = m_queue.Dequeue();
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if (poolreq != null && poolreq.thepoll != null)
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poolreq.thepoll.Process(poolreq);
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}
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}
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}
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}
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