private void PacketHandler()
{
IncomingPacket incomingPacket = new IncomingPacket();
Packet packet = null;
Simulator simulator = null;
while (connected)
{
// Reset packet to null for the check below
packet = null;
if (PacketInbox.Dequeue(200, ref incomingPacket))
{
packet = incomingPacket.Packet;
simulator = incomingPacket.Simulator;
if (packet != null)
{
// Skip the ACK handling on packets synthesized from CAPS messages
if (packet.Header.Sequence != 0)
{
#region ACK accounting
// TODO: Replace PacketArchive Queue<> with something more efficient
// Check the archives to see whether we already received this packet
lock (simulator.PacketArchive)
{
if (simulator.PacketArchive.Contains(packet.Header.Sequence))
{
if (packet.Header.Resent)
{
Client.DebugLog("Received resent packet #" + packet.Header.Sequence);
}
else
{
Client.Log(String.Format("Received a duplicate of packet #{0}, current type: {1}",
packet.Header.Sequence, packet.Type), Helpers.LogLevel.Warning);
}
// Avoid firing a callback twice for the same packet
continue;
}
else
{
// Keep the PacketArchive size within a certain capacity
while (simulator.PacketArchive.Count >= Settings.PACKET_ARCHIVE_SIZE)
{
simulator.PacketArchive.Dequeue(); simulator.PacketArchive.Dequeue();
simulator.PacketArchive.Dequeue(); simulator.PacketArchive.Dequeue();
}
simulator.PacketArchive.Enqueue(packet.Header.Sequence);
}
}
#endregion ACK accounting
#region ACK handling
// Handle appended ACKs
if (packet.Header.AppendedAcks)
{
lock (simulator.NeedAck)
{
for (int i = 0; i < packet.Header.AckList.Length; i++)
{
simulator.NeedAck.Remove(packet.Header.AckList[i]);
}
}
}
// Handle PacketAck packets
if (packet.Type == PacketType.PacketAck)
{
PacketAckPacket ackPacket = (PacketAckPacket)packet;
lock (simulator.NeedAck)
{
for (int i = 0; i < ackPacket.Packets.Length; i++)
{
simulator.NeedAck.Remove(ackPacket.Packets[i].ID);
}
}
}
#endregion ACK handling
}
#region FireCallbacks
if (Client.Settings.SYNC_PACKETCALLBACKS)
{
PacketEvents.RaiseEvent(PacketType.Default, packet, simulator);
PacketEvents.RaiseEvent(packet.Type, packet, simulator);
}
else
{
PacketEvents.BeginRaiseEvent(PacketType.Default, packet, simulator);
PacketEvents.BeginRaiseEvent(packet.Type, packet, simulator);
}
#endregion FireCallbacks
}
}
}
}
