OpenSimMirror/ThirdParty/3Di/LoadBalancer/LoadBalancerPlugin.cs

1095 lines
42 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 OpenSim 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.IO;
using System.Net;
using System.Reflection;
using System.Threading;
using OpenMetaverse;
using OpenMetaverse.Packets;
using log4net;
using Mono.Addins;
using Nwc.XmlRpc;
using OpenSim.Framework;
using OpenSim.Framework.Servers;
using OpenSim.Region.ClientStack;
using OpenSim.Region.ClientStack.LindenUDP;
using OpenSim.Region.Environment.Scenes;
// TODO: remove LindenUDP dependency
namespace OpenSim.ApplicationPlugins.LoadBalancer
{
public class LoadBalancerPlugin : IApplicationPlugin
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private BaseHttpServer commandServer;
private bool[] isLocalNeighbour;
private bool isSplit;
private TcpServer mTcpServer;
private readonly object padlock = new object();
private int proxyOffset;
private string proxyURL;
private List<RegionInfo> regionData;
private int[] regionPortList;
private SceneManager sceneManager;
private string[] sceneURL;
private string serializeDir;
private OpenSimBase simMain;
private TcpClient[] tcpClientList;
private List<IClientNetworkServer> m_clientServers;
#region IApplicationPlugin Members
// TODO: required by IPlugin, but likely not at all right
string m_name = "LoadBalancer";
string m_version = "0.1";
public string Version { get { return m_version; } }
public string Name { get { return m_name; } }
public void Initialise()
{
m_log.Info("[BALANCER]: " + Name + " cannot be default-initialized!");
throw new PluginNotInitialisedException (Name);
}
public void Initialise(OpenSimBase openSim)
{
m_log.Info("[BALANCER]: " + "Entering Initialize()");
proxyURL = openSim.ConfigSource.Source.Configs["Network"].GetString("proxy_url", "");
if (proxyURL.Length == 0) return;
StartTcpServer();
LLClientView.SynchronizeClient = SynchronizePackets;
AsynchronousSocketListener.PacketHandler = SynchronizePacketRecieve;
sceneManager = openSim.SceneManager;
m_clientServers = openSim.ClientServers;
regionData = openSim.RegionData;
simMain = openSim;
commandServer = openSim.HttpServer;
proxyOffset = Int32.Parse(openSim.ConfigSource.Source.Configs["Network"].GetString("proxy_offset", "0"));
serializeDir = openSim.ConfigSource.Source.Configs["Network"].GetString("serialize_dir", "/tmp/");
commandServer.AddXmlRPCHandler("SerializeRegion", SerializeRegion);
commandServer.AddXmlRPCHandler("DeserializeRegion_Move", DeserializeRegion_Move);
commandServer.AddXmlRPCHandler("DeserializeRegion_Clone", DeserializeRegion_Clone);
commandServer.AddXmlRPCHandler("TerminateRegion", TerminateRegion);
commandServer.AddXmlRPCHandler("SplitRegion", SplitRegion);
commandServer.AddXmlRPCHandler("MergeRegions", MergeRegions);
commandServer.AddXmlRPCHandler("UpdatePhysics", UpdatePhysics);
commandServer.AddXmlRPCHandler("GetStatus", GetStatus);
m_log.Info("[BALANCER] " + "Exiting Initialize()");
}
public void Dispose()
{
}
#endregion
private void StartTcpServer()
{
Thread server_thread = new Thread(new ThreadStart(
delegate
{
mTcpServer = new TcpServer(10001);
mTcpServer.start();
}));
server_thread.Start();
}
private XmlRpcResponse GetStatus(XmlRpcRequest request)
{
XmlRpcResponse response = new XmlRpcResponse();
try
{
m_log.Info("[BALANCER] " + "Entering RegionStatus()");
int src_port = Convert.ToInt32(request.Params[0]);
Scene scene;
// try to get the scene object
RegionInfo src_region = SearchRegionFromPortNum(src_port);
if (sceneManager.TryGetScene(src_region.RegionID, out scene) == false)
{
m_log.Error("[BALANCER] " + "The Scene is not found");
return response;
}
// serialization of client's informations
List<ScenePresence> presences = scene.GetScenePresences();
int get_scene_presence = presences.Count;
int get_scene_presence_filter = 0;
foreach (ScenePresence pre in presences)
{
IClientAPI client = pre.ControllingClient;
//if (pre.MovementFlag!=0 && client.PacketProcessingEnabled==true)
if (client.IsActive)
{
get_scene_presence_filter++;
}
}
List<ScenePresence> avatars = scene.GetAvatars();
int get_avatar = avatars.Count;
int get_avatar_filter = 0;
string avatar_names = "";
foreach (ScenePresence pre in avatars)
{
IClientAPI client = pre.ControllingClient;
//if (pre.MovementFlag!=0 && client.PacketProcessingEnabled==true)
if (client.IsActive)
{
get_avatar_filter++;
avatar_names += pre.Firstname + " " + pre.Lastname + "; ";
}
}
Hashtable responseData = new Hashtable();
responseData["get_scene_presence_filter"] = get_scene_presence_filter;
responseData["get_scene_presence"] = get_scene_presence;
responseData["get_avatar_filter"] = get_avatar_filter;
responseData["get_avatar"] = get_avatar;
responseData["avatar_names"] = avatar_names;
response.Value = responseData;
m_log.Info("[BALANCER] " + "Exiting RegionStatus()");
}
catch (Exception e)
{
m_log.Error("[BALANCER] " + e);
m_log.Error("[BALANCER] " + e.StackTrace);
}
return response;
}
private XmlRpcResponse SerializeRegion(XmlRpcRequest request)
{
try
{
m_log.Info("[BALANCER] " + "Entering SerializeRegion()");
string src_url = (string) request.Params[0];
int src_port = (int) request.Params[1];
SerializeRegion(src_url, src_port);
m_log.Info("[BALANCER] " + "Exiting SerializeRegion()");
}
catch (Exception e)
{
m_log.Error("[BALANCER] " + e);
m_log.Error("[BALANCER] " + e.StackTrace);
}
return new XmlRpcResponse();
}
private XmlRpcResponse DeserializeRegion_Move(XmlRpcRequest request)
{
try
{
m_log.Info("[BALANCER] " + "Entering DeserializeRegion_Move()");
string src_url = (string) request.Params[0];
int src_port = (int) request.Params[1];
string dst_url = (string) request.Params[2];
int dst_port = (int) request.Params[3];
DeserializeRegion_Move(src_port, dst_port, src_url, dst_url);
m_log.Info("[BALANCER] " + "Exiting DeserializeRegion_Move()");
}
catch (Exception e)
{
m_log.Error("[BALANCER] " + e);
m_log.Error("[BALANCER] " + e.StackTrace);
}
return new XmlRpcResponse();
}
private XmlRpcResponse DeserializeRegion_Clone(XmlRpcRequest request)
{
try
{
m_log.Info("[BALANCER] " + "Entering DeserializeRegion_Clone()");
string src_url = (string) request.Params[0];
int src_port = (int) request.Params[1];
string dst_url = (string) request.Params[2];
int dst_port = (int) request.Params[3];
DeserializeRegion_Clone(src_port, dst_port, src_url, dst_url);
m_log.Info("[BALANCER] " + "Exiting DeserializeRegion_Clone()");
}
catch (Exception e)
{
m_log.Error("[BALANCER] " + e);
m_log.Error("[BALANCER] " + e.StackTrace);
throw;
}
return new XmlRpcResponse();
}
private XmlRpcResponse TerminateRegion(XmlRpcRequest request)
{
try
{
m_log.Info("[BALANCER] " + "Entering TerminateRegion()");
int src_port = (int) request.Params[0];
// backgroud
WaitCallback callback = TerminateRegion;
ThreadPool.QueueUserWorkItem(callback, src_port);
m_log.Info("[BALANCER] " + "Exiting TerminateRegion()");
}
catch (Exception e)
{
m_log.Error("[BALANCER] " + e);
m_log.Error("[BALANCER] " + e.StackTrace);
}
return new XmlRpcResponse();
}
// internal functions
private void SerializeRegion(string src_url, int src_port)
{
//------------------------------------------
// Processing of origin region
//------------------------------------------
// search origin region
RegionInfo src_region = SearchRegionFromPortNum(src_port);
if (src_region == null)
{
m_log.Error("[BALANCER] " + "Region not found");
return;
}
Util.XmlRpcCommand(src_region.proxyUrl, "BlockClientMessages", src_url, src_port + proxyOffset);
// serialization of origin region's data
SerializeRegion(src_region, serializeDir);
}
private void DeserializeRegion_Move(int src_port, int dst_port, string src_url, string dst_url)
{
//------------------------------------------
// Processing of destination region
//------------------------------------------
// import the source region's data
RegionInfo dst_region = DeserializeRegion(dst_port, serializeDir);
Util.XmlRpcCommand(dst_region.proxyUrl, "ChangeRegion", src_port + proxyOffset, src_url, dst_port + proxyOffset, dst_url);
Util.XmlRpcCommand(dst_region.proxyUrl, "UnblockClientMessages", dst_url, dst_port + proxyOffset);
}
private void DeserializeRegion_Clone(int src_port, int dst_port, string src_url, string dst_url)
{
//------------------------------------------
// Processing of destination region
//------------------------------------------
// import the source region's data
RegionInfo dst_region = DeserializeRegion(dst_port, serializeDir);
// Decide who is in charge for each section
int[] port = new int[] {src_port, dst_port};
string[] url = new string[] {"http://" + src_url + ":" + commandServer.Port, "http://" + dst_url + ":" + commandServer.Port};
for (int i = 0; i < 2; i++) Util.XmlRpcCommand(url[i], "SplitRegion", i, 2, port[0], port[1], url[0], url[1]);
// Enable the proxy
Util.XmlRpcCommand(dst_region.proxyUrl, "AddRegion", src_port + proxyOffset, src_url, dst_port + proxyOffset, dst_url);
Util.XmlRpcCommand(dst_region.proxyUrl, "UnblockClientMessages", dst_url, dst_port + proxyOffset);
}
private void TerminateRegion(object param)
{
int src_port = (int) param;
//------------------------------------------
// Processing of remove region
//------------------------------------------
// search origin region
RegionInfo src_region = SearchRegionFromPortNum(src_port);
if (src_region == null)
{
m_log.Error("[BALANCER] " + "Region not found");
return;
}
isSplit = false;
// remove client resources
RemoveAllClientResource(src_region);
// remove old region
RemoveRegion(src_region.RegionID, src_region.InternalEndPoint.Port);
m_log.Info("[BALANCER] " + "Region terminated");
}
private RegionInfo SearchRegionFromPortNum(int portnum)
{
RegionInfo result = null;
foreach (RegionInfo rinfo in regionData)
{
if (rinfo.InternalEndPoint.Port == portnum)
{
// m_log.Info("BALANCER",
// "Region found. Internal Port = {0}, Handle={1}",
// rinfo.InternalEndPoint.Port, rinfo.RegionHandle);
result = rinfo;
break;
}
}
return result;
}
private IClientNetworkServer SearchClientServerFromPortNum(int portnum)
{
return m_clientServers.Find(
delegate(IClientNetworkServer server)
{
// ReSharper disable PossibleNullReferenceException
return (portnum + proxyOffset == ((IPEndPoint) server.Server.LocalEndPoint).Port);
// ReSharper restore PossibleNullReferenceException
}
);
}
private void SerializeRegion(RegionInfo src_region, string export_dir)
{
Scene scene;
int i = 0;
// try to get the scene object
if (sceneManager.TryGetScene(src_region.RegionID, out scene) == false)
{
m_log.Error("[BALANCER] " + "The Scene is not found");
return;
}
// create export directory
DirectoryInfo dirinfo = new DirectoryInfo(export_dir);
if (!dirinfo.Exists)
{
dirinfo.Create();
}
// serialization of client's informations
List<ScenePresence> presences = scene.GetScenePresences();
foreach (ScenePresence pre in presences)
{
SerializeClient(i, scene, pre, export_dir);
i++;
}
// serialization of region data
SerializableRegionInfo dst_region = new SerializableRegionInfo(src_region);
string filename = export_dir + "RegionInfo_" + src_region.RegionID + ".bin";
Util.SerializeToFile(filename, dst_region);
// backup current scene's entities
//scene.Backup();
m_log.InfoFormat("[BALANCER] " + "region serialization completed [{0}]",
src_region.RegionID.ToString());
}
private static void SerializeClient(int idx, IScene scene, EntityBase pre, string export_dir)
{
string filename;
IClientAPI controller;
m_log.InfoFormat("[BALANCER] " + "agent id : {0}", pre.UUID);
uint[] circuits = scene.ClientManager.GetAllCircuits(pre.UUID);
foreach (uint code in circuits)
{
m_log.InfoFormat("[BALANCER] " + "circuit code : {0}", code);
if (scene.ClientManager.TryGetClient(code, out controller))
{
ClientInfo info = controller.GetClientInfo();
filename = export_dir + "ClientInfo-" + String.Format("{0:0000}", idx) + "_" + controller.CircuitCode + ".bin";
Util.SerializeToFile(filename, info);
m_log.InfoFormat("[BALANCER] " + "client info serialized [filename={0}]", filename);
}
}
//filename = export_dir + "Presence_" + controller.AgentId.ToString() + ".bin";
filename = export_dir + "Presence_" + String.Format("{0:0000}", idx) + ".bin";
Util.SerializeToFile(filename, pre);
m_log.InfoFormat("[BALANCER] " + "scene presence serialized [filename={0}]", filename);
}
private RegionInfo DeserializeRegion(int dst_port, string import_dir)
{
RegionInfo dst_region = null;
try
{
// deserialization of region data
string[] files = Directory.GetFiles(import_dir, "RegionInfo_*.bin");
foreach (string filename in files)
{
m_log.InfoFormat("[BALANCER] RegionInfo filename = [{0}]", filename);
dst_region = new RegionInfo((SerializableRegionInfo) Util.DeserializeFromFile(filename));
m_log.InfoFormat("[BALANCER] " + "RegionID = [{0}]", dst_region.RegionID.ToString());
m_log.InfoFormat("[BALANCER] " + "RegionHandle = [{0}]", dst_region.RegionHandle);
m_log.InfoFormat("[BALANCER] " + "ProxyUrl = [{0}]", dst_region.proxyUrl);
m_log.InfoFormat("[BALANCER] " + "OriginRegionID = [{0}]", dst_region.originRegionID.ToString());
CreateCloneRegion(dst_region, dst_port, true);
File.Delete(filename);
m_log.InfoFormat("[BALANCER] " + "region deserialized [{0}]", dst_region.RegionID);
}
if (dst_region != null)
{
// deserialization of client data
DeserializeClient(dst_region, import_dir);
m_log.InfoFormat("[BALANCER] " + "region deserialization completed [{0}]",
dst_region.ToString());
}
}
catch (Exception e)
{
m_log.Error("[BALANCER] " + e);
m_log.Error("[BALANCER] " + e.StackTrace);
throw;
}
return dst_region;
}
private void DeserializeClient(SimpleRegionInfo dst_region, string import_dir)
{
ScenePresence sp;
ClientInfo data;
Scene scene;
IClientAPI controller;
if (sceneManager.TryGetScene(dst_region.RegionID, out scene))
{
IClientNetworkServer clientserv = SearchClientServerFromPortNum(scene.RegionInfo.InternalEndPoint.Port);
// restore the scene presence
for (int i = 0;; i++)
{
string filename = import_dir + "Presence_" + String.Format("{0:0000}", i) + ".bin";
if (!File.Exists(filename))
{
break;
}
sp = (ScenePresence) Util.DeserializeFromFile(filename);
Console.WriteLine("agent id = {0}", sp.UUID);
scene.m_restorePresences.Add(sp.UUID, sp);
File.Delete(filename);
m_log.InfoFormat("[BALANCER] " + "scene presence deserialized [{0}]", sp.UUID);
// restore the ClientView
string[] files = Directory.GetFiles(import_dir, "ClientInfo-" + String.Format("{0:0000}", i) + "_*.bin");
foreach (string fname in files)
{
int start = fname.IndexOf('_');
int end = fname.LastIndexOf('.');
uint circuit_code = uint.Parse(fname.Substring(start + 1, end - start - 1));
m_log.InfoFormat("[BALANCER] " + "client circuit code = {0}", circuit_code);
data = (ClientInfo) Util.DeserializeFromFile(fname);
AgentCircuitData agentdata = new AgentCircuitData(data.agentcircuit);
scene.AuthenticateHandler.AddNewCircuit(circuit_code, agentdata);
// TODO: This needs to be abstracted and converted into IClientNetworkServer
if (clientserv is LLUDPServer)
{
((LLUDPServer) clientserv).RestoreClient(agentdata, data.userEP, data.proxyEP);
}
// waiting for the scene-presense restored
lock (scene.m_restorePresences)
{
Monitor.Wait(scene.m_restorePresences, 3000);
}
if (scene.ClientManager.TryGetClient(circuit_code, out controller))
{
m_log.InfoFormat("[BALANCER] " + "get client [{0}]", circuit_code);
controller.SetClientInfo(data);
}
File.Delete(fname);
m_log.InfoFormat("[BALANCER] " + "client info deserialized [{0}]", circuit_code);
}
// backup new scene's entities
//scene.Backup();
}
}
}
private void CreateCloneRegion(RegionInfo dst_region, int dst_port, bool createID_flag)
{
if (createID_flag)
{
dst_region.RegionID = UUID.Random();
}
// change RegionInfo (memory only)
dst_region.InternalEndPoint.Port = dst_port;
dst_region.ExternalHostName = proxyURL.Split(new char[] {'/', ':'})[3];
// Create new region
simMain.CreateRegion(dst_region, false);
}
private void RemoveRegion(UUID regionID, int port)
{
Scene killScene;
if (sceneManager.TryGetScene(regionID, out killScene))
{
Console.WriteLine("scene found.");
if ((sceneManager.CurrentScene != null)
&& (sceneManager.CurrentScene.RegionInfo.RegionID == killScene.RegionInfo.RegionID))
{
sceneManager.TrySetCurrentScene("..");
}
m_log.Info("Removing region : " + killScene.RegionInfo.RegionName);
regionData.Remove(killScene.RegionInfo);
sceneManager.CloseScene(killScene);
}
// Shutting down the UDP server
IClientNetworkServer clientsvr = SearchClientServerFromPortNum(port);
if (clientsvr != null)
{
clientsvr.Server.Close();
m_clientServers.Remove(clientsvr);
}
}
private void RemoveAllClientResource(SimpleRegionInfo src_region)
{
Scene scene;
IClientAPI controller;
// try to get the scene object
if (sceneManager.TryGetScene(src_region.RegionID, out scene) == false)
{
m_log.Error("[BALANCER] " + "The Scene is not found");
return;
}
// serialization of client's informations
List<ScenePresence> presences = scene.GetScenePresences();
// remove all scene presences
foreach (ScenePresence pre in presences)
{
uint[] circuits = scene.ClientManager.GetAllCircuits(pre.UUID);
foreach (uint code in circuits)
{
m_log.InfoFormat("[BALANCER] " + "circuit code : {0}", code);
if (scene.ClientManager.TryGetClient(code, out controller))
{
// stopping clientview thread
if ((controller).IsActive)
{
controller.Stop();
(controller).IsActive = false;
}
// teminateing clientview thread
controller.Terminate();
m_log.Info("[BALANCER] " + "client thread stopped");
}
}
// remove scene presence
scene.RemoveClient(pre.UUID);
}
}
/*
* This section implements scene splitting and synchronization
*/
private XmlRpcResponse SplitRegion(XmlRpcRequest request)
{
try
{
int myID = (int) request.Params[0];
int numRegions = (int) request.Params[1];
regionPortList = new int[numRegions];
sceneURL = new string[numRegions];
tcpClientList = new TcpClient[numRegions];
for (int i = 0; i < numRegions; i++)
{
regionPortList[i] = (int) request.Params[i + 2];
sceneURL[i] = (string) request.Params[i + 2 + numRegions];
}
for (int i = 0; i < numRegions; i++)
{
string hostname = sceneURL[i].Split(new char[] {'/', ':'})[3];
m_log.InfoFormat("[SPLITSCENE] " + "creating tcp client host:{0}", hostname);
tcpClientList[i] = new TcpClient(hostname, 10001);
}
bool isMaster = (myID == 0);
isLocalNeighbour = new bool[numRegions];
for (int i = 0; i < numRegions; i++) isLocalNeighbour[i] = (sceneURL[i] == sceneURL[myID]);
RegionInfo region = SearchRegionFromPortNum(regionPortList[myID]);
//Console.WriteLine("\n === SplitRegion {0}\n", region.RegionID);
Scene scene;
if (sceneManager.TryGetScene(region.RegionID, out scene))
{
// Disable event updates, backups etc in the slave(s)
scene.Region_Status = isMaster ? RegionStatus.Up : RegionStatus.SlaveScene;
//Console.WriteLine("=== SplitRegion {0}: Scene found, status {1}", region.RegionID, scene.Region_Status);
// Disabling half of the avatars in master, and the other half in slave
int i = 0;
List<uint> circuits = scene.ClientManager.GetAllCircuitCodes();
circuits.Sort();
foreach (uint code in circuits)
{
m_log.InfoFormat("[BALANCER] " + "circuit code : {0}", code);
IClientAPI controller;
if (scene.ClientManager.TryGetClient(code, out controller))
{
// Divide the presences evenly over the set of subscenes
LLClientView client = (LLClientView) controller;
client.IsActive = (((i + myID) % sceneURL.Length) == 0);
m_log.InfoFormat("[SPLITSCENE] === SplitRegion {0}: SP.PacketEnabled {1}", region.RegionID, client.IsActive);
if (!client.IsActive)
{
// stopping clientview thread
client.Stop();
}
++i;
}
}
scene.splitID = myID;
scene.SynchronizeScene = SynchronizeScenes;
isSplit = true;
}
else
{
m_log.Error("[SPLITSCENE] " + String.Format("Scene not found {0}", region.RegionID));
}
}
catch (Exception e)
{
m_log.Error("[SPLITSCENE] " + e);
m_log.Error("[SPLITSCENE] " + e.StackTrace);
}
return new XmlRpcResponse();
}
private XmlRpcResponse MergeRegions(XmlRpcRequest request)
{
// This should only be called for the master scene
try
{
m_log.Info("[BALANCER] " + "Entering MergeRegions()");
string src_url = (string) request.Params[0];
int src_port = (int) request.Params[1];
RegionInfo region = SearchRegionFromPortNum(src_port);
Util.XmlRpcCommand(region.proxyUrl, "BlockClientMessages", src_url, src_port + proxyOffset);
Scene scene;
if (sceneManager.TryGetScene(region.RegionID, out scene))
{
isSplit = false;
scene.SynchronizeScene = null;
scene.Region_Status = RegionStatus.Up;
List<ScenePresence> presences = scene.GetScenePresences();
foreach (ScenePresence pre in presences)
{
LLClientView client = (LLClientView) pre.ControllingClient;
if (!client.IsActive)
{
client.Restart();
client.IsActive = true;
}
}
}
// Delete the slave scenes
for (int i = 1; i < sceneURL.Length; i++)
{
string url = (sceneURL[i].Split('/')[2]).Split(':')[0]; // get URL part from EP
Util.XmlRpcCommand(region.proxyUrl, "DeleteRegion", regionPortList[i] + proxyOffset, url);
Thread.Sleep(1000);
Util.XmlRpcCommand(sceneURL[i], "TerminateRegion", regionPortList[i]); // TODO: need + proxyOffset?
}
Util.XmlRpcCommand(region.proxyUrl, "UnblockClientMessages", src_url, src_port + proxyOffset);
}
catch (Exception e)
{
m_log.Error("[BALANCER] " + e);
m_log.Error("[BALANCER] " + e.StackTrace);
throw;
}
return new XmlRpcResponse();
}
private XmlRpcResponse UpdatePhysics(XmlRpcRequest request)
{
// this callback receives physic scene updates from the other sub-scenes (in split mode)
int regionPort = (int) request.Params[0];
UUID scenePresenceID = new UUID((byte[]) request.Params[1], 0);
Vector3 position = new Vector3((byte[]) request.Params[2], 0);
Vector3 velocity = new Vector3((byte[]) request.Params[3], 0);
bool flying = (bool) request.Params[4];
LocalUpdatePhysics(regionPort, scenePresenceID, position, velocity, flying);
return new XmlRpcResponse();
}
private void LocalUpdatePhysics(int regionPort, UUID scenePresenceID, Vector3 position, Vector3 velocity, bool flying)
{
//m_log.Info("[SPLITSCENE] "+String.Format("UpdatePhysics called {0}", regionID));
//m_log.Info("[SPLITSCENE] "+"LocalUpdatePhysics [region port:{0}, client:{1}, position:{2}, velocity:{3}, flying:{4}]",
// regionPort, scenePresenceID.ToString(), position.ToString(),
// velocity.ToString(), flying);
RegionInfo region = SearchRegionFromPortNum(regionPort);
// Find and update the scene precense
Scene scene;
if (sceneManager.TryGetScene(region.RegionID, out scene))
{
ScenePresence pre = scene.GetScenePresences().Find(delegate(ScenePresence x) { return x.UUID == scenePresenceID; });
if (pre == null)
{
m_log.ErrorFormat("[SPLITSCENE] [LocalUpdatePhysics] ScenePresence is missing... ({0})", scenePresenceID.ToString());
return;
}
// m_log.Info("[SPLITSCENE] "+"LocalUpdatePhysics [region:{0}, client:{1}]",
// regionID.ToString(), pre.ToString());
pre.AbsolutePosition = position; // will set PhysicsActor.Position
pre.Velocity = velocity; // will set PhysicsActor.Velocity
pre.PhysicsActor.Flying = flying;
}
}
private void SynchronizeScenes(Scene scene)
{
if (!isSplit)
{
return;
}
lock (padlock)
{
// Callback activated after a physics scene update
// int i = 0;
List<ScenePresence> presences = scene.GetScenePresences();
foreach (ScenePresence pre in presences)
{
LLClientView client = (LLClientView) pre.ControllingClient;
// Because data changes by the physics simulation when the client doesn't move,
// if MovementFlag is false, It is necessary to synchronize.
//if (pre.MovementFlag!=0 && client.PacketProcessingEnabled==true)
if (client.IsActive)
{
//m_log.Info("[SPLITSCENE] "+String.Format("Client moving in {0} {1}", scene.RegionInfo.RegionID, pre.AbsolutePosition));
for (int i = 0; i < sceneURL.Length; i++)
{
if (i == scene.splitID)
{
continue;
}
if (isLocalNeighbour[i])
{
//m_log.Info("[SPLITSCENE] "+"Synchronize ScenePresence (Local) [region:{0}=>{1}, client:{2}]",
// scene.RegionInfo.RegionID, regionPortList[i], pre.ToString());
LocalUpdatePhysics(regionPortList[i], pre.UUID, pre.AbsolutePosition, pre.Velocity, pre.PhysicsActor.Flying);
}
else
{
//m_log.Info("[SPLITSCENE] "+"Synchronize ScenePresence (Remote) [region port:{0}, client:{1}, position:{2}, velocity:{3}, flying:{4}]",
// regionPortList[i], pre.ToString(), pre.AbsolutePosition.ToString(),
// pre.Velocity.ToString(), pre.PhysicsActor.Flying);
Util.XmlRpcCommand(sceneURL[i], "UpdatePhysics",
regionPortList[i], pre.UUID.GetBytes(),
pre.AbsolutePosition.GetBytes(), pre.Velocity.GetBytes(),
pre.PhysicsActor.Flying);
/*
byte[] buff = new byte[12+12+1];
Buffer.BlockCopy(pre.AbsolutePosition.GetBytes(), 0, buff, 0, 12);
Buffer.BlockCopy(pre.Velocity.GetBytes(), 0, buff, 12, 12);
buff[24] = (byte)((pre.PhysicsActor.Flying)?1:0);
// create header
InternalPacketHeader header = new InternalPacketHeader();
header.type = 1;
header.throttlePacketType = 0;
header.numbytes = buff.Length;
header.agent_id = pre.UUID.Guid;
header.region_port = regionPortList[i];
//Send
tcpClientList[i].send(header, buff);
*/
}
}
}
// ++i;
}
}
}
public bool SynchronizePackets(IScene scene, Packet packet, UUID agentID, ThrottleOutPacketType throttlePacketType)
{
if (!isSplit)
{
return false;
}
Scene localScene = (Scene) scene;
for (int i = 0; i < sceneURL.Length; i++)
{
if (i == localScene.splitID)
{
continue;
}
if (isLocalNeighbour[i])
{
//m_log.Info("[SPLITSCENE] "+"Synchronize Packet (Local) [type:{0}, client:{1}]",
// packet.Type.ToString(), agentID.ToString());
LocalUpdatePacket(regionPortList[i], agentID, packet, throttlePacketType);
}
else
{
//m_log.Info("[SPLITSCENE] "+"Synchronize Packet (Remote) [type:{0}, client:{1}]",
// packet.Type.ToString(), agentID.ToString());
// to bytes
byte[] buff = packet.ToBytes();
// create header
InternalPacketHeader header = new InternalPacketHeader();
header.type = 0;
header.throttlePacketType = (int) throttlePacketType;
header.numbytes = buff.Length;
header.agent_id = agentID.Guid;
header.region_port = regionPortList[i];
//Send
tcpClientList[i].send(header, buff);
PacketPool.Instance.ReturnPacket(packet);
}
}
return true;
}
private void LocalUpdatePacket(int regionPort, UUID agentID, Packet packet, ThrottleOutPacketType throttlePacketType)
{
Scene scene;
RegionInfo region = SearchRegionFromPortNum(regionPort);
// m_log.Info("[SPLITSCENE] "+"LocalUpdatePacket [region port:{0}, client:{1}, packet type:{2}]",
// regionPort, agentID.ToString(), packet.GetType().ToString());
if (sceneManager.TryGetScene(region.RegionID, out scene))
{
ScenePresence pre = scene.GetScenePresences().Find(delegate(ScenePresence x) { return x.UUID == agentID; });
if (pre == null)
{
m_log.ErrorFormat("[SPLITSCENE] [LocalUpdatePacket] ScenePresence is missing... ({0})", agentID.ToString());
return;
}
if (pre.ControllingClient is LLClientView)
{
if (((LLClientView)pre.ControllingClient).IsActive)
{
((LLClientView)pre.ControllingClient).OutPacket(packet, throttlePacketType);
}
else
{
PacketPool.Instance.ReturnPacket(packet);
}
}
else
{
PacketPool.Instance.ReturnPacket(packet);
}
}
}
public void SynchronizePacketRecieve(InternalPacketHeader header, byte[] buff)
{
// m_log.Info("[SPLITSCENE] "+"entering SynchronizePacketRecieve[type={0}]", header.type);
if (!isSplit)
{
return;
}
switch (header.type)
{
case 0:
byte[] zero = new byte[3000];
// deserialize packet
int packetEnd = buff.Length - 1;
// packetEnd = buff.Length;
try
{
//m_log.Info("[SPLITSCENE] "+"PacketPool.Instance : {0}", (PacketPool.Instance == null)?"null":"not null");
//m_log.Info("[SPLITSCENE] "+"buff length={0}", buff.Length);
Packet packet = PacketPool.Instance.GetPacket(buff, ref packetEnd, zero);
LocalUpdatePacket(header.region_port, new UUID(header.agent_id),
packet, (ThrottleOutPacketType) header.throttlePacketType);
}
catch (Exception e)
{
m_log.Error("[SPLITSCENE] " + e);
m_log.Error("[SPLITSCENE] " + e.StackTrace);
}
break;
case 1:
int regionPort = header.region_port;
UUID scenePresenceID = new UUID(header.agent_id);
Vector3 position = new Vector3(buff, 0);
Vector3 velocity = new Vector3(buff, 12);
bool flying = ((buff[24] == 1) ? true : false);
LocalUpdatePhysics(regionPort, scenePresenceID, position, velocity, flying);
break;
default:
m_log.Info("[SPLITSCENE] " + "Invalid type");
break;
}
// m_log.Info("[SPLITSCENE] "+"exiting SynchronizePacketRecieve");
}
}
}