void GotUdpMessage(IAsyncResult ar)
{
IPEndPoint ipeSender = new IPEndPoint(IPAddress.Any, 0);
EndPoint epSender = (EndPoint)ipeSender;
int size = UDPSocket.EndReceiveFrom(ar, ref epSender);
string senderAddress = sender.Address.ToString();
int senderPort = sender.Port;
// Get the data back
byte[] data = new byte[buff.Length];
buff.CopyTo(data, 0);
Pipe pipe = new Pipe();
pipe.Write(data, 0, size);
filter.ProcessReceivedData(pipe, epSender, size, false);
// Start Accepting again
UDPSocket.BeginReceiveFrom(buff, 0, buff.Length, SocketFlags.None, ref epSender, GotUdpMessage, epSender);
}
internal CATcpConnection(Socket socket, CAServer server)
{
pipe = new Pipe();
Socket = socket;
processData = new Thread(new ThreadStart(BackgroundProcess));
processData.IsBackground = true;
processData.Start();
Server = server;
remoteKey = Socket.RemoteEndPoint.ToString();
Socket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, ReceiveData, null);
// Send version
Socket.Send(new byte[] { 0, 0, 0, 0, 0, 0, 0, 11, 0, 0, 0, 0, 0, 0, 0, 0 });
Closed = false;
}
public void ProcessReceivedData(Pipe dataPipe, EndPoint remoteEndPoint, int maxPacketSize = 0, bool wait = true)
{
string remoteAddress = remoteEndPoint.ToString();
uint readedBytes = 0;
UInt16 cmdId, dataType;
UInt32 payloadSize, dataCount, param1, param2;
byte[] payload = null;
byte[] header = null;
while (maxPacketSize == 0 || maxPacketSize >= (readedBytes + 16))
{
if (!wait && dataPipe.AvailableBytes == 0)
return;
header = dataPipe.Read(16);
//Pipe destroyed
if (header.Length == 0)
return;
cmdId = header.ToUInt16(0);
payloadSize = header.ToUInt16(2);
dataType = header.ToUInt16(4);
param1 = header.ToUInt32(8);
param2 = header.ToUInt32(12);
if (payloadSize == 0xFFFF)
{
payloadSize = dataPipe.Read(4).ToUInt32();
dataCount = dataPipe.Read(4).ToUInt32();
readedBytes += (payloadSize + 24);
}
else
{
dataCount = header.ToUInt16(6);
readedBytes += (payloadSize + 16);
}
payload = dataPipe.Read(Convert.ToInt32(payloadSize));
HandleMessage(cmdId, dataType, ref payloadSize, ref dataCount,
ref param1, ref param2, ref header, ref payload, ref remoteEndPoint);
}
}
protected void ProcessReceivedData(Pipe pipe)
{
try
{
Server.Filter.ProcessReceivedData(pipe, Socket.RemoteEndPoint, 0, false);
}
catch (NullReferenceException exc)
{
while (Server == null)
Thread.Sleep(10);
Server.Filter.ProcessReceivedData(pipe, Socket.RemoteEndPoint, 0, false);
}
catch (Exception e)
{
Console.WriteLine(e.Message + "\n\r" + e.StackTrace);
}
}