/// <summary>
/// Publishes a received packet to all listeners.
/// </summary>
/// <param name="opcode">The opcode of the packet.</param>
/// <param name="data">The payload of the packet.</param>
private void OnPacketReceived(short opcode, byte[] data)
{
if (PacketReceived != null)
{
var invocationList = PacketReceived.GetInvocationList();
foreach (var del in invocationList)
{
try
{
((DataReceivedHandler)del)(opcode, data);
}
catch (Exception ex)
{
log.Error("Unhandled Exception in delegate", ex);
}
}
}
}
private void ReceiveCallback(IAsyncResult ar)
{
if (NetworkStream != null)
{
try {
int iBytesRead = NetworkStream.EndRead(ar);
iBytesRead = ServeCrossDomainPolicy(iBytesRead);
if (iBytesRead > 0)
{
// Create or resize our packet stream to hold the new data.
if (PacketStream == null)
{
PacketStream = new byte[iBytesRead];
}
else
{
Array.Resize(ref PacketStream, PacketStream.Length + iBytesRead);
}
Array.Copy(ReceivedBuffer, 0, PacketStream, PacketStream.Length - iBytesRead, iBytesRead);
UInt32 packetSize = Packet.DecodePacketSize(PacketStream);
while (this.PacketStream != null && PacketStream.Length >= packetSize && PacketStream.Length > Packet.PacketHeaderSize)
{
// Copy the complete packet from the beginning of the stream.
var completePacket = new byte[packetSize];
Array.Copy(PacketStream, completePacket, packetSize);
var deserializedPacket = new Packet(completePacket);
SequenceNumber = Math.Max(SequenceNumber, deserializedPacket.SequenceNumber);
LastPacketReceived = deserializedPacket;
// Dispatch the completed packet.
if (PacketReceived != null)
{
FrostbiteConnection.RaiseEvent(PacketReceived.GetInvocationList(), this, deserializedPacket);
}
//this.DispatchPacket(cpCompletePacket);
// Now remove the completed packet from the beginning of the stream
var updatedSteam = new byte[PacketStream.Length - packetSize];
Array.Copy(PacketStream, packetSize, updatedSteam, 0, PacketStream.Length - packetSize);
PacketStream = updatedSteam;
packetSize = Packet.DecodePacketSize(PacketStream);
}
// If we've recieved 16 kb's and still don't have a full command then shutdown the connection.
if (ReceivedBuffer.Length >= MaxGarbageBytes)
{
ReceivedBuffer = null;
Shutdown();
}
if (this.NetworkStream != null)
{
this.NetworkStream.BeginRead(this.ReceivedBuffer, 0, this.ReceivedBuffer.Length, this.ReceiveCallback, this);
}
}
else
{
Shutdown();
}
}
catch (Exception) {
Shutdown();
}
}
else
{
Shutdown();
}
}