473 lines
16 KiB
C#
473 lines
16 KiB
C#
/*
|
|
* Copyright (c) Contributors, http://opensimulator.org/
|
|
* See CONTRIBUTORS.TXT for a full list of copyright holders.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* * Neither the name of the OpenSimulator Project nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
using System;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using System.Collections.Concurrent;
|
|
using System.Reflection;
|
|
using System.Threading;
|
|
using Mono.Addins;
|
|
using OpenSim.Framework.Monitoring;
|
|
using log4net;
|
|
using Nini.Config;
|
|
using OpenMetaverse;
|
|
using OpenSim.Capabilities.Handlers;
|
|
using OpenSim.Framework;
|
|
using OpenSim.Framework.Servers;
|
|
using OpenSim.Framework.Servers.HttpServer;
|
|
using OpenSim.Region.Framework.Interfaces;
|
|
using OpenSim.Region.Framework.Scenes;
|
|
using OpenSim.Services.Interfaces;
|
|
using Caps = OpenSim.Framework.Capabilities.Caps;
|
|
|
|
namespace OpenSim.Region.ClientStack.Linden
|
|
{
|
|
[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "GetMeshModule")]
|
|
public class GetMeshModule : INonSharedRegionModule
|
|
{
|
|
// private static readonly ILog m_log =
|
|
// LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
|
|
|
|
private Scene m_scene;
|
|
private bool m_Enabled = true;
|
|
private string m_URL;
|
|
|
|
private string m_URL2;
|
|
private string m_RedirectURL = null;
|
|
private string m_RedirectURL2 = null;
|
|
|
|
class APollRequest
|
|
{
|
|
public PollServiceMeshEventArgs thepoll;
|
|
public UUID reqID;
|
|
public Hashtable request;
|
|
}
|
|
|
|
public class APollResponse
|
|
{
|
|
public Hashtable response;
|
|
public int bytes;
|
|
}
|
|
|
|
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
|
|
|
|
private static GetMeshHandler m_getMeshHandler;
|
|
|
|
private IAssetService m_assetService = null;
|
|
|
|
private Dictionary<UUID, string> m_capsDict = new Dictionary<UUID, string>();
|
|
private static Thread[] m_workerThreads = null;
|
|
private static int m_NumberScenes = 0;
|
|
private static BlockingCollection<APollRequest> m_queue = new BlockingCollection<APollRequest>();
|
|
|
|
private Dictionary<UUID, PollServiceMeshEventArgs> m_pollservices = new Dictionary<UUID, PollServiceMeshEventArgs>();
|
|
|
|
|
|
#region Region Module interfaceBase Members
|
|
|
|
public Type ReplaceableInterface
|
|
{
|
|
get { return null; }
|
|
}
|
|
|
|
public void Initialise(IConfigSource source)
|
|
{
|
|
IConfig config = source.Configs["ClientStack.LindenCaps"];
|
|
if (config == null)
|
|
return;
|
|
|
|
m_URL = config.GetString("Cap_GetMesh", string.Empty);
|
|
// Cap doesn't exist
|
|
if (m_URL != string.Empty)
|
|
{
|
|
m_Enabled = true;
|
|
m_RedirectURL = config.GetString("GetMeshRedirectURL");
|
|
}
|
|
|
|
m_URL2 = config.GetString("Cap_GetMesh2", string.Empty);
|
|
// Cap doesn't exist
|
|
if (m_URL2 != string.Empty)
|
|
{
|
|
m_Enabled = true;
|
|
|
|
m_RedirectURL2 = config.GetString("GetMesh2RedirectURL");
|
|
}
|
|
}
|
|
|
|
public void AddRegion(Scene pScene)
|
|
{
|
|
if (!m_Enabled)
|
|
return;
|
|
|
|
m_scene = pScene;
|
|
}
|
|
|
|
public void RemoveRegion(Scene s)
|
|
{
|
|
if (!m_Enabled)
|
|
return;
|
|
|
|
s.EventManager.OnRegisterCaps -= RegisterCaps;
|
|
s.EventManager.OnDeregisterCaps -= DeregisterCaps;
|
|
s.EventManager.OnThrottleUpdate -= ThrottleUpdate;
|
|
m_NumberScenes--;
|
|
m_scene = null;
|
|
}
|
|
|
|
public void RegionLoaded(Scene s)
|
|
{
|
|
if (!m_Enabled)
|
|
return;
|
|
|
|
if(m_assetService == null)
|
|
{
|
|
m_assetService = m_scene.RequestModuleInterface<IAssetService>();
|
|
// We'll reuse the same handler for all requests.
|
|
m_getMeshHandler = new GetMeshHandler(m_assetService);
|
|
}
|
|
|
|
s.EventManager.OnRegisterCaps += RegisterCaps;
|
|
s.EventManager.OnDeregisterCaps += DeregisterCaps;
|
|
s.EventManager.OnThrottleUpdate += ThrottleUpdate;
|
|
|
|
m_NumberScenes++;
|
|
|
|
if (m_workerThreads == null)
|
|
{
|
|
m_workerThreads = new Thread[2];
|
|
|
|
for (uint i = 0; i < 2; i++)
|
|
{
|
|
m_workerThreads[i] = WorkManager.StartThread(DoMeshRequests,
|
|
String.Format("GetMeshWorker{0}", i),
|
|
ThreadPriority.Normal,
|
|
true,
|
|
false,
|
|
null,
|
|
int.MaxValue);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void Close()
|
|
{
|
|
if(m_NumberScenes <= 0 && m_workerThreads != null)
|
|
{
|
|
m_log.DebugFormat("[GetMeshModule] Closing");
|
|
foreach (Thread t in m_workerThreads)
|
|
Watchdog.AbortThread(t.ManagedThreadId);
|
|
// This will fail on region shutdown. Its harmless.
|
|
// Prevent red ink.
|
|
try
|
|
{
|
|
m_queue.Dispose();
|
|
}
|
|
catch {}
|
|
}
|
|
}
|
|
|
|
public string Name { get { return "GetMeshModule"; } }
|
|
|
|
#endregion
|
|
|
|
private static void DoMeshRequests()
|
|
{
|
|
while (m_NumberScenes > 0)
|
|
{
|
|
APollRequest poolreq;
|
|
if(m_queue.TryTake(out poolreq, 4500))
|
|
{
|
|
if(m_NumberScenes <= 0)
|
|
break;
|
|
|
|
if(poolreq.reqID != UUID.Zero)
|
|
poolreq.thepoll.Process(poolreq);
|
|
}
|
|
Watchdog.UpdateThread();
|
|
}
|
|
}
|
|
|
|
// Now we know when the throttle is changed by the client in the case of a root agent or by a neighbor region in the case of a child agent.
|
|
public void ThrottleUpdate(ScenePresence p)
|
|
{
|
|
UUID user = p.UUID;
|
|
int imagethrottle = p.ControllingClient.GetAgentThrottleSilent((int)ThrottleOutPacketType.Asset);
|
|
PollServiceMeshEventArgs args;
|
|
if (m_pollservices.TryGetValue(user, out args))
|
|
{
|
|
args.UpdateThrottle(imagethrottle);
|
|
}
|
|
}
|
|
|
|
private class PollServiceMeshEventArgs : PollServiceEventArgs
|
|
{
|
|
private List<Hashtable> requests =
|
|
new List<Hashtable>();
|
|
private Dictionary<UUID, APollResponse> responses =
|
|
new Dictionary<UUID, APollResponse>();
|
|
private HashSet<UUID> dropedResponses = new HashSet<UUID>();
|
|
|
|
private Scene m_scene;
|
|
private MeshCapsDataThrottler m_throttler;
|
|
public PollServiceMeshEventArgs(string uri, UUID pId, Scene scene) :
|
|
base(null, uri, null, null, null, null, pId, int.MaxValue)
|
|
{
|
|
m_scene = scene;
|
|
m_throttler = new MeshCapsDataThrottler(100000);
|
|
// x is request id, y is userid
|
|
HasEvents = (x, y) =>
|
|
{
|
|
lock (responses)
|
|
{
|
|
return m_throttler.hasEvents(x, responses);
|
|
}
|
|
};
|
|
|
|
Drop = (x, y) =>
|
|
{
|
|
lock (responses)
|
|
{
|
|
responses.Remove(x);
|
|
lock(dropedResponses)
|
|
dropedResponses.Add(x);
|
|
}
|
|
};
|
|
|
|
GetEvents = (x, y) =>
|
|
{
|
|
lock (responses)
|
|
{
|
|
try
|
|
{
|
|
return responses[x].response;
|
|
}
|
|
finally
|
|
{
|
|
responses.Remove(x);
|
|
m_throttler.PassTime();
|
|
}
|
|
}
|
|
};
|
|
// x is request id, y is request data hashtable
|
|
Request = (x, y) =>
|
|
{
|
|
APollRequest reqinfo = new APollRequest();
|
|
reqinfo.thepoll = this;
|
|
reqinfo.reqID = x;
|
|
reqinfo.request = y;
|
|
|
|
m_queue.Add(reqinfo);
|
|
m_throttler.PassTime();
|
|
};
|
|
|
|
// this should never happen except possible on shutdown
|
|
NoEvents = (x, y) =>
|
|
{
|
|
/*
|
|
lock (requests)
|
|
{
|
|
Hashtable request = requests.Find(id => id["RequestID"].ToString() == x.ToString());
|
|
requests.Remove(request);
|
|
}
|
|
*/
|
|
Hashtable response = new Hashtable();
|
|
|
|
response["int_response_code"] = 500;
|
|
response["str_response_string"] = "Script timeout";
|
|
response["content_type"] = "text/plain";
|
|
response["keepalive"] = false;
|
|
response["reusecontext"] = false;
|
|
|
|
return response;
|
|
};
|
|
}
|
|
|
|
public void Process(APollRequest requestinfo)
|
|
{
|
|
Hashtable response;
|
|
|
|
UUID requestID = requestinfo.reqID;
|
|
|
|
if(m_scene.ShuttingDown)
|
|
return;
|
|
|
|
lock(responses)
|
|
{
|
|
lock(dropedResponses)
|
|
{
|
|
if(dropedResponses.Contains(requestID))
|
|
{
|
|
dropedResponses.Remove(requestID);
|
|
return;
|
|
}
|
|
}
|
|
|
|
// If the avatar is gone, don't bother to get the texture
|
|
if (m_scene.GetScenePresence(Id) == null)
|
|
{
|
|
response = new Hashtable();
|
|
|
|
response["int_response_code"] = 500;
|
|
response["str_response_string"] = "Script timeout";
|
|
response["content_type"] = "text/plain";
|
|
response["keepalive"] = false;
|
|
responses[requestID] = new APollResponse() { bytes = 0, response = response};
|
|
|
|
return;
|
|
}
|
|
}
|
|
|
|
response = m_getMeshHandler.Handle(requestinfo.request);
|
|
|
|
lock (responses)
|
|
{
|
|
lock(dropedResponses)
|
|
{
|
|
if(dropedResponses.Contains(requestID))
|
|
{
|
|
dropedResponses.Remove(requestID);
|
|
return;
|
|
}
|
|
}
|
|
|
|
responses[requestID] = new APollResponse()
|
|
{
|
|
bytes = (int)response["int_bytes"],
|
|
response = response
|
|
};
|
|
|
|
}
|
|
m_throttler.PassTime();
|
|
}
|
|
|
|
internal void UpdateThrottle(int pthrottle)
|
|
{
|
|
int tmp = 2 * pthrottle;
|
|
if(tmp < 10000)
|
|
tmp = 10000;
|
|
m_throttler.ThrottleBytes = tmp;
|
|
}
|
|
}
|
|
|
|
public void RegisterCaps(UUID agentID, Caps caps)
|
|
{
|
|
// UUID capID = UUID.Random();
|
|
if (m_URL == "localhost")
|
|
{
|
|
string capUrl = "/CAPS/" + UUID.Random() + "/";
|
|
|
|
// Register this as a poll service
|
|
PollServiceMeshEventArgs args = new PollServiceMeshEventArgs(capUrl, agentID, m_scene);
|
|
|
|
args.Type = PollServiceEventArgs.EventType.Mesh;
|
|
MainServer.Instance.AddPollServiceHTTPHandler(capUrl, args);
|
|
|
|
string hostName = m_scene.RegionInfo.ExternalHostName;
|
|
uint port = (MainServer.Instance == null) ? 0 : MainServer.Instance.Port;
|
|
string protocol = "http";
|
|
|
|
if (MainServer.Instance.UseSSL)
|
|
{
|
|
hostName = MainServer.Instance.SSLCommonName;
|
|
port = MainServer.Instance.SSLPort;
|
|
protocol = "https";
|
|
}
|
|
caps.RegisterHandler("GetMesh", String.Format("{0}://{1}:{2}{3}", protocol, hostName, port, capUrl));
|
|
m_pollservices[agentID] = args;
|
|
m_capsDict[agentID] = capUrl;
|
|
}
|
|
else
|
|
{
|
|
caps.RegisterHandler("GetMesh", m_URL);
|
|
}
|
|
}
|
|
|
|
private void DeregisterCaps(UUID agentID, Caps caps)
|
|
{
|
|
string capUrl;
|
|
PollServiceMeshEventArgs args;
|
|
if (m_capsDict.TryGetValue(agentID, out capUrl))
|
|
{
|
|
MainServer.Instance.RemoveHTTPHandler("", capUrl);
|
|
m_capsDict.Remove(agentID);
|
|
}
|
|
if (m_pollservices.TryGetValue(agentID, out args))
|
|
{
|
|
m_pollservices.Remove(agentID);
|
|
}
|
|
}
|
|
|
|
internal sealed class MeshCapsDataThrottler
|
|
{
|
|
private double lastTimeElapsed = 0;
|
|
private double BytesSent = 0;
|
|
|
|
public MeshCapsDataThrottler(int pBytes)
|
|
{
|
|
if(pBytes < 10000)
|
|
pBytes = 10000;
|
|
ThrottleBytes = pBytes;
|
|
lastTimeElapsed = Util.GetTimeStamp();
|
|
}
|
|
|
|
public bool hasEvents(UUID key, Dictionary<UUID, APollResponse> responses)
|
|
{
|
|
PassTime();
|
|
APollResponse response;
|
|
if (responses.TryGetValue(key, out response))
|
|
{
|
|
// Normal
|
|
if (response.bytes == 0 || BytesSent <= ThrottleBytes)
|
|
{
|
|
BytesSent += response.bytes;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public void PassTime()
|
|
{
|
|
double currenttime = Util.GetTimeStamp();
|
|
double timeElapsed = currenttime - lastTimeElapsed;
|
|
if(timeElapsed < .05)
|
|
return;
|
|
int add = (int)(ThrottleBytes * timeElapsed);
|
|
if (add >= 1000)
|
|
{
|
|
lastTimeElapsed = currenttime;
|
|
BytesSent -= add;
|
|
if (BytesSent < 0) BytesSent = 0;
|
|
}
|
|
}
|
|
|
|
public int ThrottleBytes;
|
|
}
|
|
}
|
|
}
|