516 lines
21 KiB
C#
516 lines
21 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.Generic;
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using System.IO;
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using System.Net;
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using System.Reflection;
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using System.Text;
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using System.Collections;
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using OpenSim.Framework;
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using OpenSim.Services.Interfaces;
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using GridRegion = OpenSim.Services.Interfaces.GridRegion;
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using OpenMetaverse;
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using OpenMetaverse.StructuredData;
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using log4net;
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using Nini.Config;
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namespace OpenSim.Services.Connectors.Simulation
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{
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public class SimulationServiceConnector : ISimulationService
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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// we use this dictionary to track the pending updateagent requests, maps URI --> position update
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private Dictionary<string,AgentPosition> m_updateAgentQueue = new Dictionary<string,AgentPosition>();
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//private GridRegion m_Region;
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public SimulationServiceConnector()
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{
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}
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public SimulationServiceConnector(IConfigSource config)
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{
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//m_Region = region;
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}
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public IScene GetScene(UUID regionId)
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{
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return null;
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}
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public ISimulationService GetInnerService()
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{
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return null;
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}
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#region Agents
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protected virtual string AgentPath()
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{
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return "agent/";
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}
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protected virtual void PackData(OSDMap args, GridRegion source, AgentCircuitData aCircuit, GridRegion destination, uint flags)
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{
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if (source != null)
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{
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args["source_x"] = OSD.FromString(source.RegionLocX.ToString());
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args["source_y"] = OSD.FromString(source.RegionLocY.ToString());
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args["source_name"] = OSD.FromString(source.RegionName);
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args["source_uuid"] = OSD.FromString(source.RegionID.ToString());
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if (!String.IsNullOrEmpty(source.RawServerURI))
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args["source_server_uri"] = OSD.FromString(source.RawServerURI);
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}
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args["destination_x"] = OSD.FromString(destination.RegionLocX.ToString());
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args["destination_y"] = OSD.FromString(destination.RegionLocY.ToString());
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args["destination_name"] = OSD.FromString(destination.RegionName);
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args["destination_uuid"] = OSD.FromString(destination.RegionID.ToString());
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args["teleport_flags"] = OSD.FromString(flags.ToString());
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}
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public bool CreateAgent(GridRegion source, GridRegion destination, AgentCircuitData aCircuit, uint flags, EntityTransferContext ctx, out string reason)
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{
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reason = String.Empty;
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if (destination == null)
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{
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reason = "Destination not found";
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m_log.Debug("[REMOTE SIMULATION CONNECTOR]: Create agent destination is null");
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return false;
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}
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m_log.DebugFormat("[REMOTE SIMULATION CONNECTOR]: Creating agent at {0}", destination.ServerURI);
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string uri = destination.ServerURI + AgentPath() + aCircuit.AgentID + "/";
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OSD tmpOSD;
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try
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{
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OSDMap args = aCircuit.PackAgentCircuitData(ctx);
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args["context"] = ctx.Pack();
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PackData(args, source, aCircuit, destination, flags);
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OSDMap result = WebUtil.PostToServiceCompressed(uri, args, 30000);
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bool success = result["success"].AsBoolean();
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if (success && result.TryGetValue("_Result", out tmpOSD) && tmpOSD is OSDMap)
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{
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OSDMap data = (OSDMap)tmpOSD;
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reason = data["reason"].AsString();
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success = data["success"].AsBoolean();
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return success;
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}
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// Try the old version, uncompressed
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result = WebUtil.PostToService(uri, args, 30000, false);
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success = result["success"].AsBoolean();
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if (success)
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{
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if (result.TryGetValue("_Result", out tmpOSD) && tmpOSD is OSDMap)
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{
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OSDMap data = (OSDMap)tmpOSD;
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reason = data["reason"].AsString();
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success = data["success"].AsBoolean();
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m_log.WarnFormat(
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"[REMOTE SIMULATION CONNECTOR]: Remote simulator {0} did not accept compressed transfer, suggest updating it.", destination.RegionName);
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return success;
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}
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}
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m_log.WarnFormat(
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"[REMOTE SIMULATION CONNECTOR]: Failed to create agent {0} {1} at remote simulator {2}",
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aCircuit.firstname, aCircuit.lastname, destination.RegionName);
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reason = result["Message"] != null ? result["Message"].AsString() : "error";
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return false;
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}
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catch (Exception e)
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{
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m_log.Warn("[REMOTE SIMULATION CONNECTOR]: CreateAgent failed with exception: " + e.ToString());
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reason = e.Message;
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}
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return false;
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}
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/// <summary>
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/// Send complete data about an agent in this region to a neighbor
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/// </summary>
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public bool UpdateAgent(GridRegion destination, AgentData data, EntityTransferContext ctx)
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{
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return UpdateAgent(destination, (IAgentData)data, ctx, 200000); // yes, 200 seconds
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}
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private ExpiringCache<string, bool> _failedSims = new ExpiringCache<string, bool>();
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/// <summary>
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/// Send updated position information about an agent in this region to a neighbor
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/// This operation may be called very frequently if an avatar is moving about in
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/// the region.
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/// </summary>
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public bool UpdateAgent(GridRegion destination, AgentPosition data)
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{
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bool v = true;
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if (_failedSims.TryGetValue(destination.ServerURI, out v))
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return false;
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// The basic idea of this code is that the first thread that needs to
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// send an update for a specific avatar becomes the worker for any subsequent
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// requests until there are no more outstanding requests. Further, only send the most
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// recent update; this *should* never be needed but some requests get
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// slowed down and once that happens the problem with service end point
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// limits kicks in and nothing proceeds
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string uri = destination.ServerURI + AgentPath() + data.AgentID + "/";
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lock (m_updateAgentQueue)
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{
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if (m_updateAgentQueue.ContainsKey(uri))
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{
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// Another thread is already handling
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// updates for this simulator, just update
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// the position and return, overwrites are
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// not a problem since we only care about the
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// last update anyway
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m_updateAgentQueue[uri] = data;
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return true;
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}
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// Otherwise update the reference and start processing
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m_updateAgentQueue[uri] = data;
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}
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AgentPosition pos = null;
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bool success = true;
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while (success)
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{
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lock (m_updateAgentQueue)
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{
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// save the position
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AgentPosition lastpos = pos;
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pos = m_updateAgentQueue[uri];
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// this is true if no one put a new
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// update in the map since the last
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// one we processed, if thats the
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// case then we are done
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if (pos == lastpos)
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{
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m_updateAgentQueue.Remove(uri);
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return true;
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}
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}
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EntityTransferContext ctx = new EntityTransferContext(); // Dummy, not needed for position
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success = UpdateAgent(destination, (IAgentData)pos, ctx, 10000);
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}
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// we get here iff success == false
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// blacklist sim for 2 minutes
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lock (m_updateAgentQueue)
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{
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_failedSims.AddOrUpdate(destination.ServerURI, true, 120);
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m_updateAgentQueue.Remove(uri);
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}
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return false;
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}
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/// <summary>
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/// This is the worker function to send AgentData to a neighbor region
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/// </summary>
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private bool UpdateAgent(GridRegion destination, IAgentData cAgentData, EntityTransferContext ctx, int timeout)
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{
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// m_log.DebugFormat("[REMOTE SIMULATION CONNECTOR]: UpdateAgent in {0}", destination.ServerURI);
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// Eventually, we want to use a caps url instead of the agentID
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string uri = destination.ServerURI + AgentPath() + cAgentData.AgentID + "/";
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try
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{
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OSDMap args = cAgentData.Pack(ctx);
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args["destination_x"] = OSD.FromString(destination.RegionLocX.ToString());
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args["destination_y"] = OSD.FromString(destination.RegionLocY.ToString());
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args["destination_name"] = OSD.FromString(destination.RegionName);
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args["destination_uuid"] = OSD.FromString(destination.RegionID.ToString());
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args["context"] = ctx.Pack();
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OSDMap result = WebUtil.PutToServiceCompressed(uri, args, timeout);
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if (result["Success"].AsBoolean())
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return true;
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if(ctx.OutboundVersion < 0.2)
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result = WebUtil.PutToService(uri, args, timeout);
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return result["Success"].AsBoolean();
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}
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catch (Exception e)
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{
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m_log.Warn("[REMOTE SIMULATION CONNECTOR]: UpdateAgent failed with exception: " + e.ToString());
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}
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return false;
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}
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public bool QueryAccess(GridRegion destination, UUID agentID, string agentHomeURI, bool viaTeleport, Vector3 position, List<UUID> featuresAvailable, EntityTransferContext ctx, out string reason)
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{
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Culture.SetCurrentCulture();
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reason = "Failed to contact destination";
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// m_log.DebugFormat("[REMOTE SIMULATION CONNECTOR]: QueryAccess start, position={0}", position);
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// Eventually, we want to use a caps url instead of the agentID
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string uri = destination.ServerURI + AgentPath() + agentID + "/" + destination.RegionID.ToString() + "/";
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OSDMap request = new OSDMap();
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request.Add("viaTeleport", OSD.FromBoolean(viaTeleport));
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request.Add("position", OSD.FromString(position.ToString()));
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// To those who still understad this field, we're telling them
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// the lowest version just to be safe
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request.Add("my_version", OSD.FromString(String.Format("SIMULATION/{0}", VersionInfo.SimulationServiceVersionSupportedMin)));
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// New simulation service negotiation
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request.Add("simulation_service_supported_min", OSD.FromReal(VersionInfo.SimulationServiceVersionSupportedMin));
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request.Add("simulation_service_supported_max", OSD.FromReal(VersionInfo.SimulationServiceVersionSupportedMax));
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request.Add("simulation_service_accepted_min", OSD.FromReal(VersionInfo.SimulationServiceVersionAcceptedMin));
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request.Add("simulation_service_accepted_max", OSD.FromReal(VersionInfo.SimulationServiceVersionAcceptedMax));
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request.Add("context", ctx.Pack());
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OSDArray features = new OSDArray();
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foreach (UUID feature in featuresAvailable)
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features.Add(OSD.FromString(feature.ToString()));
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request.Add("features", features);
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if (agentHomeURI != null)
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request.Add("agent_home_uri", OSD.FromString(agentHomeURI));
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OSD tmpOSD;
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try
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{
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OSDMap result = WebUtil.ServiceOSDRequest(uri, request, "QUERYACCESS", 30000, false, false, true);
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bool success = result["success"].AsBoolean();
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bool has_Result = false;
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if (result.TryGetValue("_Result", out tmpOSD))
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{
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has_Result = true;
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OSDMap data = (OSDMap)tmpOSD;
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// FIXME: If there is a _Result map then it's the success key here that indicates the true success
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// or failure, not the sibling result node.
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//nte4.8 crap
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success = data["success"].AsBoolean();
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reason = data["reason"].AsString();
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// We will need to plumb this and start sing the outbound version as well
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// TODO: lay the pipe for version plumbing
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if (data.TryGetValue("negotiated_inbound_version", out tmpOSD) && tmpOSD != null)
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{
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ctx.InboundVersion = (float)tmpOSD.AsReal();
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ctx.OutboundVersion = (float)data["negotiated_outbound_version"].AsReal();
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}
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else if (data.TryGetValue("version", out tmpOSD) && tmpOSD != null)
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{
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string versionString = tmpOSD.AsString();
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if(versionString != string.Empty)
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{
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String[] parts = versionString.Split(new char[] {'/'});
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if (parts.Length > 1)
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{
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ctx.InboundVersion = float.Parse(parts[1], Culture.FormatProvider);
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ctx.OutboundVersion = float.Parse(parts[1], Culture.FormatProvider);
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}
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}
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}
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m_log.DebugFormat(
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"[REMOTE SIMULATION CONNECTOR]: QueryAccess to {0} returned {1}, reason {2}, version {3}/{4}",
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uri, success, reason, ctx.InboundVersion, ctx.OutboundVersion);
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}
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if (!success || ctx.InboundVersion == 0f || ctx.OutboundVersion == 0f)
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{
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// If we don't check this then OpenSimulator 0.7.3.1 and some period before will never see the
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// actual failure message
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if (!has_Result)
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{
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if (result.TryGetValue("Message", out tmpOSD))
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{
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string message = tmpOSD.AsString();
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if (message == "Service request failed: [MethodNotAllowed] MethodNotAllowed") // Old style region
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{
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m_log.Info("[REMOTE SIMULATION CONNECTOR]: The above web util error was caused by a TP to a sim that doesn't support QUERYACCESS and can be ignored");
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return true;
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}
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reason = result["Message"];
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}
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else
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{
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reason = "Communications failure";
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}
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}
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return false;
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}
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featuresAvailable.Clear();
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if (result.TryGetValue("features", out tmpOSD) && tmpOSD is OSDArray)
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{
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OSDArray array = (OSDArray)tmpOSD;
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foreach (OSD o in array)
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featuresAvailable.Add(new UUID(o.AsString()));
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}
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// Version stuff
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if (ctx.OutboundVersion < 0.5)
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ctx.WearablesCount = AvatarWearable.LEGACY_VERSION_MAX_WEARABLES;
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else if (ctx.OutboundVersion < 0.6)
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ctx.WearablesCount = AvatarWearable.LEGACY_VERSION_MAX_WEARABLES + 1;
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else
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ctx.WearablesCount = -1; // send all (just in case..)
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return success;
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}
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catch (Exception e)
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{
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m_log.WarnFormat("[REMOTE SIMULATION CONNECTOR] QueryAcesss failed with exception; {0}",e.ToString());
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}
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return false;
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}
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/// <summary>
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/// </summary>
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public bool ReleaseAgent(UUID origin, UUID id, string uri)
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{
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// m_log.DebugFormat("[REMOTE SIMULATION CONNECTOR]: ReleaseAgent start");
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try
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{
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WebUtil.ServiceOSDRequest(uri, null, "DELETE", 10000, false, false);
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}
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catch (Exception e)
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{
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m_log.WarnFormat("[REMOTE SIMULATION CONNECTOR] ReleaseAgent failed with exception; {0}",e.ToString());
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}
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return true;
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}
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/// <summary>
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/// </summary>
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public bool CloseAgent(GridRegion destination, UUID id, string auth_code)
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{
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string uri = destination.ServerURI + AgentPath() + id + "/" + destination.RegionID.ToString() + "/?auth=" + auth_code;
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m_log.DebugFormat("[REMOTE SIMULATION CONNECTOR]: CloseAgent {0}", uri);
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try
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{
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WebUtil.ServiceOSDRequest(uri, null, "DELETE", 10000, false, false);
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}
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catch (Exception e)
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{
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m_log.WarnFormat("[REMOTE SIMULATION CONNECTOR] CloseAgent failed with exception; {0}",e.ToString());
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}
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return true;
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}
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#endregion Agents
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#region Objects
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protected virtual string ObjectPath()
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{
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return "object/";
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}
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/// <summary>
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///
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/// </summary>
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public bool CreateObject(GridRegion destination, Vector3 newPosition, ISceneObject sog, bool isLocalCall)
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{
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// m_log.DebugFormat("[REMOTE SIMULATION CONNECTOR]: CreateObject start");
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string uri = destination.ServerURI + ObjectPath() + sog.UUID + "/";
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try
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{
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OSDMap args = new OSDMap(2);
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args["sog"] = OSD.FromString(sog.ToXml2());
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args["extra"] = OSD.FromString(sog.ExtraToXmlString());
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args["modified"] = OSD.FromBoolean(sog.HasGroupChanged);
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args["new_position"] = newPosition.ToString();
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string state = sog.GetStateSnapshot();
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if (state.Length > 0)
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args["state"] = OSD.FromString(state);
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// Add the input general arguments
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args["destination_x"] = OSD.FromString(destination.RegionLocX.ToString());
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args["destination_y"] = OSD.FromString(destination.RegionLocY.ToString());
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args["destination_name"] = OSD.FromString(destination.RegionName);
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args["destination_uuid"] = OSD.FromString(destination.RegionID.ToString());
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OSDMap result = WebUtil.PostToService(uri, args, 40000, false);
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if (result == null)
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return false;
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bool success = result["success"].AsBoolean();
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if (!success)
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return false;
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}
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catch (Exception e)
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{
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m_log.WarnFormat("[REMOTE SIMULATION CONNECTOR] CreateObject failed with exception; {0}",e.ToString());
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return false;
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}
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return true;
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}
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/// <summary>
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///
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/// </summary>
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public bool CreateObject(GridRegion destination, UUID userID, UUID itemID)
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{
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// TODO, not that urgent
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return false;
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}
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#endregion Objects
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}
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}
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