private void WriteToDataStream(AsyncServerConnectionState state, int bytesToWrite)
{
try
{
state.DataStream.Write(state.ReadEventArgs.Buffer,
state.ReadEventArgs.Offset + state.DataProcessingState.DataBufferOffset,
bytesToWrite);
}
catch (Exception exception)
{
Console.Error.WriteLine("Buffer Length: {0}\r\nOffset + DataBuffer Offset: {1}\r\nCount: {2}\r\nLength: {3}\r\nData Size: {4}",
state.ReadEventArgs.Buffer.Length,
state.ReadEventArgs.Offset + state.DataProcessingState.DataBufferOffset,
bytesToWrite,
state.DataStream.Length,
state.DataSize);
throw;
}
lock (state)
{
state.DataProcessingState.BytesLeft -= bytesToWrite;
state.DataProcessingState.DataBufferOffset += bytesToWrite;
}
}
void AcceptCompleted(object sender, SocketAsyncEventArgs evtArgs)
{
if (evtArgs.SocketError == SocketError.Success)
{
SocketAsyncEventArgs readEventArgs;
if (_readWriteEvtArgsPool.TryPop(out readEventArgs))
{
Socket clientSocket = evtArgs.AcceptSocket;
AsyncServerConnectionState state = new AsyncServerConnectionState(_receiveBufferSize, readEventArgs);
state.ClientSocket = clientSocket;
state.ReadEventArgs.UserToken = state;
//Really need this?
//state.ReadEventArgs.AcceptSocket = clientSocket;
//state.ReadEventArgs.Completed += IOCompleted;
//state.ReadEventArgs.SetBuffer(state.ReadEventArgs.Buffer, 0, state.ReadEventArgs.Buffer.Length);
if (!clientSocket.ReceiveAsync(state.ReadEventArgs))
{
ProcessReceive(state.ReadEventArgs);
}
Interlocked.Increment(ref _currentConnections);
if (ClientConnected != null)
ClientConnected(this, new ClientConnectedEventArgs((IPEndPoint) evtArgs.AcceptSocket.RemoteEndPoint));
evtArgs.AcceptSocket = null;
_acceptEvtArgsPool.Push(evtArgs);
StartAccept();
}
}
else
throw new SocketException((int)evtArgs.SocketError);
}
void ContinueReceiving(AsyncServerConnectionState state)
{
state.DataProcessingState.DataBufferOffset = 0;
if (!state.ClientSocket.ReceiveAsync(state.ReadEventArgs))
ProcessReceive(state.ReadEventArgs);
//Console.WriteLine(Thread.CurrentThread.ManagedThreadId + " 6");
}