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Save packets received while the client is added and replay them later.

avinationmerge
Melanie 2012-07-15 21:45:06 +02:00
parent 8baf4dcc78
commit 283df0610d
1 changed files with 34 additions and 0 deletions
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34
OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs
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@ -153,6 +153,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
/// <summary>Flag to signal when clients should send pings</summary>
private 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;
@ -701,6 +703,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
{
object[] array = new object[] { buffer, packet };
lock (m_pendingCache)
m_pendingCache.AddOrUpdate(address, new Queue<UDPPacketBuffer>(), 60);
Util.FireAndForget(HandleUseCircuitCode, array);
return;
@ -710,6 +714,13 @@ namespace OpenSim.Region.ClientStack.LindenUDP
IClientAPI client;
if (!m_scene.TryGetClient(address, out client) || !(client is LLClientView))
{
lock (m_pendingCache)
{
Queue<UDPPacketBuffer> queue;
if (m_pendingCache.TryGetValue(address, out queue))
queue.Enqueue(buffer);
}
// m_log.Debug("[LLUDPSERVER]: Received a " + packet.Type + " packet from an unrecognized source: " + address + " in " + m_scene.RegionInfo.RegionName);
return;
}
@ -943,6 +954,27 @@ namespace OpenSim.Region.ClientStack.LindenUDP
// We only want to send initial data to new clients, not ones which are being converted from child to root.
if (client != null)
client.SceneAgent.SendInitialDataToMe();
// Now we know we can handle more data
Thread.Sleep(200);
// Obtain the queue and remove it from the cache
Queue<UDPPacketBuffer> queue = null;
lock (m_pendingCache)
{
if (!m_pendingCache.TryGetValue(remoteEndPoint, out queue))
return;
m_pendingCache.Remove(remoteEndPoint);
}
// Reinject queued packets
while(queue.Count > 0)
{
UDPPacketBuffer buf = queue.Dequeue();
PacketReceived(buf);
}
queue = null;
}
else
{
@ -950,6 +982,8 @@ namespace OpenSim.Region.ClientStack.LindenUDP
m_log.WarnFormat(
"[LLUDPSERVER]: Connection request for client {0} connecting with unnotified circuit code {1} from {2}",
uccp.CircuitCode.ID, uccp.CircuitCode.Code, remoteEndPoint);
lock (m_pendingCache)
m_pendingCache.Remove(remoteEndPoint);
}
// m_log.DebugFormat(