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Avoid checking m_clients collection twice when a UseCircuitCode packet is received

prioritization
John Hurliman 2009-10-13 11:28:08 -07:00
parent 82ace481c9
commit f55b282078
2 changed files with 30 additions and 28 deletions
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56
OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
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@ -503,19 +503,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP
#endregion Decoding #endregion Decoding
#region UseCircuitCode Handling #region Packet to Client Mapping
// UseCircuitCode handling
if (packet.Type == PacketType.UseCircuitCode) if (packet.Type == PacketType.UseCircuitCode)
{ {
UseCircuitCodePacket useCircuitCode = (UseCircuitCodePacket)packet; AddNewClient((UseCircuitCodePacket)packet, (IPEndPoint)buffer.RemoteEndPoint);
IClientAPI newuser;
uint circuitCode = useCircuitCode.CircuitCode.Code;
// Check if the client is already established
if (!m_scene.ClientManager.TryGetClient(circuitCode, out newuser))
{
AddNewClient(useCircuitCode, (IPEndPoint)buffer.RemoteEndPoint);
}
} }
// Determine which agent this packet came from // Determine which agent this packet came from
@ -526,7 +519,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
return; return;
} }
#endregion UseCircuitCode Handling #endregion Packet to Client Mapping
// Stats tracking // Stats tracking
Interlocked.Increment(ref client.PacketsReceived); Interlocked.Increment(ref client.PacketsReceived);
@ -620,29 +613,38 @@ namespace OpenSim.Region.ClientStack.LindenUDP
private void AddNewClient(UseCircuitCodePacket useCircuitCode, IPEndPoint remoteEndPoint) private void AddNewClient(UseCircuitCodePacket useCircuitCode, IPEndPoint remoteEndPoint)
{ {
//Slave regions don't accept new clients
if (m_scene.RegionStatus != RegionStatus.SlaveScene) if (m_scene.RegionStatus != RegionStatus.SlaveScene)
{ {
AuthenticateResponse sessionInfo; if (!m_clients.ContainsKey(remoteEndPoint))
bool isNewCircuit = !m_clients.ContainsKey(remoteEndPoint);
if (!IsClientAuthorized(useCircuitCode, out sessionInfo))
{ {
m_log.WarnFormat( AuthenticateResponse sessionInfo;
"[CONNECTION FAILURE]: Connection request for client {0} connecting with unnotified circuit code {1} from {2}", if (IsClientAuthorized(useCircuitCode, out sessionInfo))
useCircuitCode.CircuitCode.ID, useCircuitCode.CircuitCode.Code, remoteEndPoint); {
return; UUID agentID = useCircuitCode.CircuitCode.ID;
} UUID sessionID = useCircuitCode.CircuitCode.SessionID;
uint circuitCode = useCircuitCode.CircuitCode.Code;
if (isNewCircuit) AddClient(circuitCode, agentID, sessionID, remoteEndPoint, sessionInfo);
}
else
{
// Don't create circuits for unauthorized clients
m_log.WarnFormat(
"[LLUDPSERVER]: Connection request for client {0} connecting with unnotified circuit code {1} from {2}",
useCircuitCode.CircuitCode.ID, useCircuitCode.CircuitCode.Code, remoteEndPoint);
}
}
else
{ {
UUID agentID = useCircuitCode.CircuitCode.ID; // Ignore repeated UseCircuitCode packets
UUID sessionID = useCircuitCode.CircuitCode.SessionID; m_log.Debug("[LLUDPSERVER]: Ignoring UseCircuitCode for already established circuit " + useCircuitCode.CircuitCode.Code);
uint circuitCode = useCircuitCode.CircuitCode.Code;
AddClient(circuitCode, agentID, sessionID, remoteEndPoint, sessionInfo);
} }
} }
else
{
// Slave regions don't accept new clients
m_log.Debug("[LLUDPSERVER]: Slave region " + m_scene.RegionInfo.RegionName + " ignoring UseCircuitCode packet");
}
} }
private void AddClient(uint circuitCode, UUID agentID, UUID sessionID, IPEndPoint remoteEndPoint, AuthenticateResponse sessionInfo) private void AddClient(uint circuitCode, UUID agentID, UUID sessionID, IPEndPoint remoteEndPoint, AuthenticateResponse sessionInfo)