239 lines
9.5 KiB
C#
239 lines
9.5 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 copyrightD
|
|
* 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.IO;
|
|
using System.Net;
|
|
using System.Net.Sockets;
|
|
using System.Text;
|
|
using System.Collections.Generic;
|
|
using System.Threading;
|
|
using OpenSim.Region.Framework.Scenes;
|
|
using OpenSim.Region.Framework.Interfaces;
|
|
using OpenMetaverse;
|
|
using log4net;
|
|
using OpenSim.Region.Framework.Scenes.Serialization;
|
|
|
|
namespace OpenSim.Region.CoreModules.RegionSync.RegionSyncModule
|
|
{
|
|
// The RegionSyncServer has a listener thread which accepts connections from RegionSyncClients
|
|
// and an additional thread to process updates to/from each RegionSyncClient.
|
|
public class RegionSyncServer
|
|
{
|
|
#region RegionSyncServer members
|
|
// Set the addr and port for TcpListener
|
|
private IPAddress m_addr;
|
|
private Int32 m_port;
|
|
|
|
private int clientCounter;
|
|
|
|
// The local scene.
|
|
private Scene m_scene;
|
|
private ILog m_log;
|
|
|
|
// The listener and the thread which listens for connections from client managers
|
|
private TcpListener m_listener;
|
|
private Thread m_listenerThread;
|
|
|
|
private DSGClientManagerLoadBalancer m_ClientBalancer;
|
|
|
|
// Check if any of the client views are in a connected state
|
|
public bool Synced
|
|
{
|
|
get
|
|
{
|
|
return (m_ClientBalancer.Count > 0);
|
|
}
|
|
}
|
|
|
|
private string LogHeader()
|
|
{
|
|
return String.Format("[REGION SYNC SERVER ({0})]", m_scene.RegionInfo.RegionName);
|
|
}
|
|
|
|
public void ReportStats(System.IO.TextWriter tw)
|
|
{
|
|
tw.WriteLine("{0}: {1} TOTAL LOCAL REMOTE TO_SCENE FROM_SCENE", DateTime.Now.ToLongTimeString(), LogHeader());
|
|
tw.WriteLine("{0}: {1} MSGS ( /s ) BYTES ( Mbps ) MSGS ( /s ) BYTES ( Mbps ) QUEUE", DateTime.Now.ToLongTimeString(), LogHeader());
|
|
m_ClientBalancer.ForEachClientManager(delegate(RegionSyncClientView rscv) {
|
|
{
|
|
tw.WriteLine("{0}: [{1}] {2}", DateTime.Now.ToLongTimeString(), rscv.Description, rscv.GetStats());
|
|
}
|
|
});
|
|
tw.Flush();
|
|
}
|
|
|
|
public void ReportStatus()
|
|
{
|
|
int cvcount = m_ClientBalancer.Count;
|
|
m_log.ErrorFormat("{0} Connected to {1} remote client managers", LogHeader(), cvcount);
|
|
m_log.ErrorFormat("{0} Local scene contains {1} presences", LogHeader(), m_scene.SceneGraph.GetRootAgentCount());
|
|
m_ClientBalancer.ForEachClientManager(delegate(RegionSyncClientView rscv){rscv.ReportStatus();});
|
|
}
|
|
|
|
|
|
#endregion
|
|
|
|
// Constructor
|
|
public RegionSyncServer(Scene scene, string addr, int port, int maxClientsPerManager)
|
|
{
|
|
m_log = LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
|
|
m_scene = scene;
|
|
m_addr = IPAddress.Parse(addr);
|
|
m_port = port;
|
|
m_ClientBalancer = new DSGClientManagerLoadBalancer(maxClientsPerManager, scene);
|
|
}
|
|
|
|
// Start the server
|
|
public void Start()
|
|
{
|
|
m_listenerThread = new Thread(new ThreadStart(Listen));
|
|
m_listenerThread.Name = "RegionSyncServer Listener";
|
|
m_log.WarnFormat("{0} Starting {1} thread", LogHeader(), m_listenerThread.Name);
|
|
m_listenerThread.Start();
|
|
}
|
|
|
|
|
|
|
|
// Stop the server and disconnect all RegionSyncClients
|
|
public void Shutdown()
|
|
{
|
|
// Stop the listener and listening thread so no new clients are accepted
|
|
m_listener.Stop();
|
|
m_listenerThread.Abort();
|
|
m_listenerThread = null;
|
|
|
|
m_ClientBalancer.ForEachClientManager(delegate(RegionSyncClientView rscv)
|
|
{
|
|
// Each client view will clean up after itself
|
|
rscv.Shutdown();
|
|
m_ClientBalancer.RemoveSyncedClient(rscv);
|
|
});
|
|
}
|
|
|
|
// Listen for connections from a new RegionSyncClient
|
|
// When connected, start the ReceiveLoop for the new client
|
|
private void Listen()
|
|
{
|
|
m_listener = new TcpListener(m_addr, m_port);
|
|
|
|
try
|
|
{
|
|
// Start listening for clients
|
|
m_listener.Start();
|
|
while (true)
|
|
{
|
|
// *** Move/Add TRY/CATCH to here, but we don't want to spin loop on the same error
|
|
m_log.WarnFormat("{0} Listening for new connections on {1}:{2}...", LogHeader(), m_addr.ToString(), m_port.ToString());
|
|
TcpClient tcpclient = m_listener.AcceptTcpClient();
|
|
IPAddress addr = ((IPEndPoint)tcpclient.Client.RemoteEndPoint).Address;
|
|
int port = ((IPEndPoint)tcpclient.Client.RemoteEndPoint).Port;
|
|
// Add the RegionSyncClientView to the list of clients
|
|
// *** Need to work on the timing order of starting the client view and adding to the server list
|
|
// so that messages coming from the scene do not get lost before the client view is added but
|
|
// not sent before it is ready to process them.
|
|
RegionSyncClientView rscv = new RegionSyncClientView(++clientCounter, m_scene, tcpclient);
|
|
m_log.WarnFormat("{0} New connection from {1}", LogHeader(), rscv.Description);
|
|
m_ClientBalancer.AddSyncedClient(rscv);
|
|
}
|
|
}
|
|
catch (SocketException e)
|
|
{
|
|
m_log.WarnFormat("{0} [Listen] SocketException: {1}", LogHeader(), e);
|
|
}
|
|
}
|
|
|
|
// Broadcast a message to all connected RegionSyncClients
|
|
public void Broadcast(RegionSyncMessage msg)
|
|
{
|
|
List<RegionSyncClientView> closed = null;
|
|
m_ClientBalancer.ForEachClientManager(delegate(RegionSyncClientView rscv)
|
|
{
|
|
// If connected, send the message.
|
|
if (rscv.Connected)
|
|
{
|
|
rscv.Send(msg);
|
|
}
|
|
// Else, remove the client view from the list
|
|
else
|
|
{
|
|
if (closed == null)
|
|
closed = new List<RegionSyncClientView>();
|
|
closed.Add(rscv);
|
|
}
|
|
});
|
|
if (closed != null)
|
|
{
|
|
foreach (RegionSyncClientView rscv in closed)
|
|
m_ClientBalancer.RemoveSyncedClient(rscv);
|
|
}
|
|
}
|
|
|
|
// Broadcast a message to all connected RegionSyncClients
|
|
public void EnqueuePresenceUpdate(UUID id, byte[] update)
|
|
{
|
|
List<RegionSyncClientView> closed = null;
|
|
m_ClientBalancer.ForEachClientManager(delegate(RegionSyncClientView rscv)
|
|
{
|
|
// If connected, send the message.
|
|
if (rscv.Connected)
|
|
{
|
|
rscv.EnqueuePresenceUpdate(id, update);
|
|
}
|
|
// Else, remove the client view from the list
|
|
else
|
|
{
|
|
if (closed == null)
|
|
closed = new List<RegionSyncClientView>();
|
|
closed.Add(rscv);
|
|
}
|
|
});
|
|
if (closed != null)
|
|
{
|
|
foreach (RegionSyncClientView rscv in closed)
|
|
m_ClientBalancer.RemoveSyncedClient(rscv);
|
|
}
|
|
}
|
|
|
|
public void BalanceClients()
|
|
{
|
|
m_ClientBalancer.BalanceLoad();
|
|
}
|
|
//KittyL:
|
|
public void BroadcastToCM(RegionSyncMessage.MsgType msgType, SceneObjectGroup sog)
|
|
{
|
|
string sogxml = SceneObjectSerializer.ToXml2Format(sog);
|
|
|
|
//m_log.Debug("SOG " + sog.UUID);
|
|
|
|
RegionSyncMessage rsm = new RegionSyncMessage(msgType, sogxml);
|
|
Broadcast(rsm);
|
|
}
|
|
|
|
}
|
|
}
|