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Merge branch 'ubitwork' of ssh://3dhosting.de/var/git/careminster into ubitwork

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ubit
2012-07-17 02:07:21 +02:00
parent 05cca8c694 d5f4fb7b50
commit e925b0654d
381 changed files with 17172 additions and 8427 deletions
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201
OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
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@@ -147,23 +147,36 @@ namespace OpenSim.Region.ClientStack.LindenUDP
private int m_elapsed500MSOutgoingPacketHandler;
/// <summary>Flag to signal when clients should check for resends</summary>
private bool m_resendUnacked;
protected bool m_resendUnacked;
/// <summary>Flag to signal when clients should send ACKs</summary>
private bool m_sendAcks;
protected bool m_sendAcks;
/// <summary>Flag to signal when clients should send pings</summary>
private bool m_sendPing;
protected bool m_sendPing;
private ExpiringCache<IPEndPoint, Queue<UDPPacketBuffer>> m_pendingCache = new ExpiringCache<IPEndPoint, Queue<UDPPacketBuffer>>();
private int m_defaultRTO = 0;
private int m_maxRTO = 0;
private int m_ackTimeout = 0;
private int m_pausedAckTimeout = 0;
private bool m_disableFacelights = false;
public Socket Server { get { return null; } }
private int m_malformedCount = 0; // Guard against a spamming attack
/// <summary>
/// Record current outgoing client for monitoring purposes.
/// </summary>
private IClientAPI m_currentOutgoingClient;
/// <summary>
/// Recording current incoming client for monitoring purposes.
/// </summary>
private IClientAPI m_currentIncomingClient;
public LLUDPServer(IPAddress listenIP, ref uint port, int proxyPortOffsetParm, bool allow_alternate_port, IConfigSource configSource, AgentCircuitManager circuitManager)
: base(listenIP, (int)port)
{
@@ -200,11 +213,15 @@ namespace OpenSim.Region.ClientStack.LindenUDP
m_defaultRTO = config.GetInt("DefaultRTO", 0);
m_maxRTO = config.GetInt("MaxRTO", 0);
m_disableFacelights = config.GetBoolean("DisableFacelights", false);
m_ackTimeout = 1000 * config.GetInt("AckTimeout", 60);
m_pausedAckTimeout = 1000 * config.GetInt("PausedAckTimeout", 300);
}
else
{
PrimUpdatesPerCallback = 100;
TextureSendLimit = 20;
m_ackTimeout = 1000 * 60; // 1 minute
m_pausedAckTimeout = 1000 * 300; // 5 minutes
}
#region BinaryStats
@@ -241,19 +258,56 @@ namespace OpenSim.Region.ClientStack.LindenUDP
if (m_scene == null)
throw new InvalidOperationException("[LLUDPSERVER]: Cannot LLUDPServer.Start() without an IScene reference");
m_log.Info("[LLUDPSERVER]: Starting the LLUDP server in " + (m_asyncPacketHandling ? "asynchronous" : "synchronous") + " mode");
m_log.InfoFormat(
"[LLUDPSERVER]: Starting the LLUDP server in {0} mode",
m_asyncPacketHandling ? "asynchronous" : "synchronous");
base.Start(m_recvBufferSize, m_asyncPacketHandling);
// Start the packet processing threads
Watchdog.StartThread(
IncomingPacketHandler, "Incoming Packets (" + m_scene.RegionInfo.RegionName + ")", ThreadPriority.Normal, false, true);
IncomingPacketHandler,
string.Format("Incoming Packets ({0})", m_scene.RegionInfo.RegionName),
ThreadPriority.Normal,
false,
true,
GetWatchdogIncomingAlarmData,
Watchdog.DEFAULT_WATCHDOG_TIMEOUT_MS);
Watchdog.StartThread(
OutgoingPacketHandler, "Outgoing Packets (" + m_scene.RegionInfo.RegionName + ")", ThreadPriority.Normal, false, true);
OutgoingPacketHandler,
string.Format("Outgoing Packets ({0})", m_scene.RegionInfo.RegionName),
ThreadPriority.Normal,
false,
true,
GetWatchdogOutgoingAlarmData,
Watchdog.DEFAULT_WATCHDOG_TIMEOUT_MS);
m_elapsedMSSinceLastStatReport = Environment.TickCount;
}
/// <summary>
/// If the outgoing UDP thread times out, then return client that was being processed to help with debugging.
/// </summary>
/// <returns></returns>
private string GetWatchdogIncomingAlarmData()
{
return string.Format(
"Client is {0}",
m_currentIncomingClient != null ? m_currentIncomingClient.Name : "none");
}
/// <summary>
/// If the outgoing UDP thread times out, then return client that was being processed to help with debugging.
/// </summary>
/// <returns></returns>
private string GetWatchdogOutgoingAlarmData()
{
return string.Format(
"Client is {0}",
m_currentOutgoingClient != null ? m_currentOutgoingClient.Name : "none");
}
public new void Stop()
{
m_log.Info("[LLUDPSERVER]: Shutting down the LLUDP server for " + m_scene.RegionInfo.RegionName);
@@ -487,19 +541,34 @@ namespace OpenSim.Region.ClientStack.LindenUDP
SendPacket(udpClient, completePing, ThrottleOutPacketType.Unknown, false, null);
}
public void HandleUnacked(LLUDPClient udpClient)
public void HandleUnacked(LLClientView client)
{
LLUDPClient udpClient = client.UDPClient;
if (!udpClient.IsConnected)
return;
// Disconnect an agent if no packets are received for some time
//FIXME: Make 60 an .ini setting
if ((Environment.TickCount & Int32.MaxValue) - udpClient.TickLastPacketReceived > 1000 * 60)
{
m_log.Warn("[LLUDPSERVER]: Ack timeout, disconnecting " + udpClient.AgentID);
StatsManager.SimExtraStats.AddAbnormalClientThreadTermination();
int timeoutTicks = m_ackTimeout;
// Allow more slack if the client is "paused" eg file upload dialogue is open
// Some sort of limit is needed in case the client crashes, loses its network connection
// or some other disaster prevents it from sendung the AgentResume
if (udpClient.IsPaused)
timeoutTicks = m_pausedAckTimeout;
if (client.IsActive &&
(Environment.TickCount & Int32.MaxValue) - udpClient.TickLastPacketReceived > timeoutTicks)
{
// We must set IsActive synchronously so that we can stop the packet loop reinvoking this method, even
// though it's set later on by LLClientView.Close()
client.IsActive = false;
// Fire this out on a different thread so that we don't hold up outgoing packet processing for
// everybody else if this is being called due to an ack timeout.
// This is the same as processing as the async process of a logout request.
Util.FireAndForget(o => DeactivateClientDueToTimeout(client));
RemoveClient(udpClient);
return;
}
@@ -850,7 +919,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
#endregion Ping Check Handling
// Inbox insertion
packetInbox.Enqueue(new IncomingPacket(udpClient, packet));
packetInbox.Enqueue(new IncomingPacket((LLClientView)client, packet));
}
#region BinaryStats
@@ -946,7 +1015,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP
UDPPacketBuffer buffer = (UDPPacketBuffer)array[0];
UseCircuitCodePacket uccp = (UseCircuitCodePacket)array[1];
m_log.DebugFormat("[LLUDPSERVER]: Handling UseCircuitCode request from {0}", buffer.RemoteEndPoint);
m_log.DebugFormat(
"[LLUDPSERVER]: Handling UseCircuitCode request for circuit {0} to {1} from IP {2}",
uccp.CircuitCode.Code, m_scene.RegionInfo.RegionName, buffer.RemoteEndPoint);
remoteEndPoint = (IPEndPoint)buffer.RemoteEndPoint;
@@ -1001,8 +1072,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
{
// Don't create clients for unauthorized requesters.
m_log.WarnFormat(
"[LLUDPSERVER]: Connection request for client {0} connecting with unnotified circuit code {1} from {2}",
uccp.CircuitCode.ID, uccp.CircuitCode.Code, remoteEndPoint);
"[LLUDPSERVER]: Ignoring connection request for {0} to {1} with unknown circuit code {2} from IP {3}",
uccp.CircuitCode.ID, m_scene.RegionInfo.RegionName, uccp.CircuitCode.Code, remoteEndPoint);
lock (m_pendingCache)
m_pendingCache.Remove(remoteEndPoint);
}
@@ -1090,7 +1161,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
{
LLUDPClient udpClient = new LLUDPClient(this, ThrottleRates, m_throttle, circuitCode, agentID, remoteEndPoint, m_defaultRTO, m_maxRTO);
client = new LLClientView(remoteEndPoint, m_scene, this, udpClient, sessionInfo, agentID, sessionID, circuitCode);
client = new LLClientView(m_scene, this, udpClient, sessionInfo, agentID, sessionID, circuitCode);
client.OnLogout += LogoutHandler;
((LLClientView)client).DisableFacelights = m_disableFacelights;
@@ -1102,15 +1173,30 @@ namespace OpenSim.Region.ClientStack.LindenUDP
return client;
}
private void RemoveClient(LLUDPClient udpClient)
/// <summary>
/// Deactivates the client if we don't receive any packets within a certain amount of time (default 60 seconds).
/// </summary>
/// <remarks>
/// If a connection is active then we will always receive packets even if nothing else is happening, due to
/// regular client pings.
/// </remarks>
/// <param name='client'></param>
private void DeactivateClientDueToTimeout(IClientAPI client)
{
// Remove this client from the scene
IClientAPI client;
if (m_scene.TryGetClient(udpClient.AgentID, out client))
{
client.IsLoggingOut = true;
client.Close(false);
}
// We must set IsActive synchronously so that we can stop the packet loop reinvoking this method, even
// though it's set later on by LLClientView.Close()
client.IsActive = false;
m_log.WarnFormat(
"[LLUDPSERVER]: Ack timeout, disconnecting {0} agent for {1} in {2}",
client.SceneAgent.IsChildAgent ? "child" : "root", client.Name, m_scene.RegionInfo.RegionName);
StatsManager.SimExtraStats.AddAbnormalClientThreadTermination();
if (!client.SceneAgent.IsChildAgent)
client.Kick("Simulator logged you out due to connection timeout");
Util.FireAndForget(o => client.Close());
}
private void IncomingPacketHandler()
@@ -1219,6 +1305,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// client. m_packetSent will be set to true if a packet is sent
m_scene.ForEachClient(clientPacketHandler);
m_currentOutgoingClient = null;
// If nothing was sent, sleep for the minimum amount of time before a
// token bucket could get more tokens
if (!m_packetSent)
@@ -1235,18 +1323,21 @@ namespace OpenSim.Region.ClientStack.LindenUDP
Watchdog.RemoveThread();
}
private void ClientOutgoingPacketHandler(IClientAPI client)
protected void ClientOutgoingPacketHandler(IClientAPI client)
{
m_currentOutgoingClient = client;
try
{
if (client is LLClientView)
{
LLUDPClient udpClient = ((LLClientView)client).UDPClient;
LLClientView llClient = (LLClientView)client;
LLUDPClient udpClient = llClient.UDPClient;
if (udpClient.IsConnected)
{
if (m_resendUnacked)
HandleUnacked(udpClient);
HandleUnacked(llClient);
if (m_sendAcks)
SendAcks(udpClient);
@@ -1262,8 +1353,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
}
catch (Exception ex)
{
m_log.Error("[LLUDPSERVER]: OutgoingPacketHandler iteration for " + client.Name +
" threw an exception: " + ex.Message, ex);
m_log.Error(
string.Format("[LLUDPSERVER]: OutgoingPacketHandler iteration for {0} threw ", client.Name), ex);
}
}
@@ -1289,11 +1380,14 @@ namespace OpenSim.Region.ClientStack.LindenUDP
{
nticks++;
watch1.Start();
m_currentOutgoingClient = client;
try
{
if (client is LLClientView)
{
LLUDPClient udpClient = ((LLClientView)client).UDPClient;
LLClientView llClient = (LLClientView)client;
LLUDPClient udpClient = llClient.UDPClient;
if (udpClient.IsConnected)
{
@@ -1302,7 +1396,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
nticksUnack++;
watch2.Start();
HandleUnacked(udpClient);
HandleUnacked(llClient);
watch2.Stop();
avgResendUnackedTicks = (nticksUnack - 1)/(float)nticksUnack * avgResendUnackedTicks + (watch2.ElapsedTicks / (float)nticksUnack);
@@ -1373,23 +1467,15 @@ namespace OpenSim.Region.ClientStack.LindenUDP
#endregion
private void ProcessInPacket(object state)
private void ProcessInPacket(IncomingPacket incomingPacket)
{
IncomingPacket incomingPacket = (IncomingPacket)state;
Packet packet = incomingPacket.Packet;
LLUDPClient udpClient = incomingPacket.Client;
IClientAPI client;
LLClientView client = incomingPacket.Client;
// Sanity check
if (packet == null || udpClient == null)
if (client.IsActive)
{
m_log.WarnFormat("[LLUDPSERVER]: Processing a packet with incomplete state. Packet=\"{0}\", UDPClient=\"{1}\"",
packet, udpClient);
}
m_currentIncomingClient = client;
// Make sure this client is still alive
if (m_scene.TryGetClient(udpClient.AgentID, out client))
{
try
{
// Process this packet
@@ -1404,21 +1490,34 @@ namespace OpenSim.Region.ClientStack.LindenUDP
catch (Exception e)
{
// Don't let a failure in an individual client thread crash the whole sim.
m_log.ErrorFormat("[LLUDPSERVER]: Client packet handler for {0} for packet {1} threw an exception", udpClient.AgentID, packet.Type);
m_log.Error(e.Message, e);
m_log.Error(
string.Format(
"[LLUDPSERVER]: Client packet handler for {0} for packet {1} threw ",
client.Name, packet.Type),
e);
}
finally
{
m_currentIncomingClient = null;
}
}
else
{
m_log.DebugFormat("[LLUDPSERVER]: Dropping incoming {0} packet for dead client {1}", packet.Type, udpClient.AgentID);
m_log.DebugFormat(
"[LLUDPSERVER]: Dropped incoming {0} for dead client {1} in {2}",
packet.Type, client.Name, m_scene.RegionInfo.RegionName);
}
}
protected void LogoutHandler(IClientAPI client)
{
client.SendLogoutPacket();
if (client.IsActive)
RemoveClient(((LLClientView)client).UDPClient);
if (!client.IsLoggingOut)
{
client.IsLoggingOut = true;
client.Close();
}
}
}
}