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* refactor: separate process of extracting packet from received data from actually processing that packet

0.6.0-stable
Justin Clarke Casey 2008-10-09 18:09:25 +00:00
parent 285ae803e2
commit 8ad0249969
1 changed files with 43 additions and 36 deletions
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79
OpenSim/Region/ClientStack/LindenUDP/LLUDPServer.cs
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@ -171,8 +171,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
}
/// <summary>
/// This method is called every time that we receive new UDP data. We pass this data on to the LLPacketServer
/// except in the case that the packet is UseCircuitCode. In this case we set up the circuit code instead.
/// This method is called every time that we receive new UDP data.
/// </summary>
/// <param name="result"></param>
protected virtual void OnReceivedData(IAsyncResult result)
@ -252,46 +251,54 @@ namespace OpenSim.Region.ClientStack.LindenUDP
BeginReceive();
if (packet != null)
ProcessInPacket(packet);
}
/// <summary>
/// Process a successfully received packet. We pass the packet on to the LLPacketServer
/// except in the case that the packet is UseCircuitCode. In that case we set up the circuit code instead.
/// </summary>
/// <param name="packet"></param>
protected virtual void ProcessInPacket(Packet packet)
{
try
{
try
// do we already have a circuit for this endpoint
uint circuit;
bool ret;
lock (clientCircuits)
{
// do we already have a circuit for this endpoint
uint circuit;
bool ret;
lock (clientCircuits)
{
ret = clientCircuits.TryGetValue(epSender, out circuit);
}
if (ret)
{
//if so then send packet to the packetserver
//m_log.DebugFormat("[UDPSERVER]: For endpoint {0} got packet {1}", epSender, packet.Type);
m_packetServer.InPacket(circuit, packet);
}
else if (packet.Type == PacketType.UseCircuitCode)
{
AddNewClient(packet);
UseCircuitCodePacket p = (UseCircuitCodePacket)packet;
// Ack the first UseCircuitCode packet
PacketAckPacket ack_it = (PacketAckPacket)PacketPool.Instance.GetPacket(PacketType.PacketAck);
// TODO: don't create new blocks if recycling an old packet
ack_it.Packets = new PacketAckPacket.PacketsBlock[1];
ack_it.Packets[0] = new PacketAckPacket.PacketsBlock();
ack_it.Packets[0].ID = packet.Header.Sequence;
ack_it.Header.Reliable = false;
SendPacketTo(ack_it.ToBytes(),ack_it.ToBytes().Length,SocketFlags.None,p.CircuitCode.Code);
}
ret = clientCircuits.TryGetValue(epSender, out circuit);
}
catch (Exception e)
if (ret)
{
m_log.Error("[CLIENT]: Exception in processing packet - ignoring: ", e);
//if so then send packet to the packetserver
//m_log.DebugFormat("[UDPSERVER]: For endpoint {0} got packet {1}", epSender, packet.Type);
m_packetServer.InPacket(circuit, packet);
}
else if (packet.Type == PacketType.UseCircuitCode)
{
AddNewClient(packet);
UseCircuitCodePacket p = (UseCircuitCodePacket)packet;
// Ack the first UseCircuitCode packet
PacketAckPacket ack_it = (PacketAckPacket)PacketPool.Instance.GetPacket(PacketType.PacketAck);
// TODO: don't create new blocks if recycling an old packet
ack_it.Packets = new PacketAckPacket.PacketsBlock[1];
ack_it.Packets[0] = new PacketAckPacket.PacketsBlock();
ack_it.Packets[0].ID = packet.Header.Sequence;
ack_it.Header.Reliable = false;
SendPacketTo(ack_it.ToBytes(),ack_it.ToBytes().Length,SocketFlags.None,p.CircuitCode.Code);
}
}
catch (Exception e)
{
m_log.Error("[CLIENT]: Exception in processing packet - ignoring: ", e);
}
}
private void BeginReceive()