private void StreamReceiver(IAsyncResult ar)
{
int bytesRead;
try
{
if (fIsConnected)
{
bytesRead = fConnection.EndReceive(ar);
if (bytesRead > 0)
{
fBytesIn += bytesRead;
fMyListener.fBytesIn += bytesRead;
fLastDataAction = DateTime.Now.Ticks;
switch (fUseMessageCollector)
{
case true:
fLastMessageCollectorPacket = new MessageCollectorTCPClientConnectionPacket(this, Encoding.Default.GetString(fReadBuffer, 0, bytesRead), fLastMessageCollectorPacket);
break;
case false:
fLastIncomingPacket = new IncomingTCPClientConnectionPacket(this, new DataFrame(fReadBuffer, 0, bytesRead), fLastIncomingPacket);
break;
}
}
else
{
DisconnectMe();
return;
}
//Start a new asynchronous read into readBuffer.
fConnection.BeginReceive(fReadBuffer, 0, fReadBufferSize, SocketFlags.None, new AsyncCallback(StreamReceiver), null);
}
}
catch (ArgumentNullException argumentNullException) //asyncResult is a null reference (Nothing in Visual Basic).
{
DisconnectMe();
}
catch (ArgumentException argumentException) //asyncResult was not returned by a call to the BeginReceive method.
{
DisconnectMe();
}
catch (SocketException socketException) //An error occurred when attempting to access the socket. See the Remarks section for more information
{
DisconnectMe();
}
catch (ObjectDisposedException objectDisposedException) //Socket has been closed.
{
DisconnectMe();
}
catch (Exception ex)
{
fConnection.BeginReceive(fReadBuffer, 0, fReadBufferSize, SocketFlags.None, new AsyncCallback(StreamReceiver), null);
}
}
public void DisconnectMe()
{
if (fActive)
{
fActive = false;
fIsConnected = false;
try
{
fConnection.Close();
}
catch (Exception ex)
{
}
if (fUseMessageCollector && fMyMessageCollector != null)
{
fMyMessageCollector.Dispose();
}
if (fLastIncomingPacket != null)
{
fLastIncomingPacket.Cancel();
}
if (fLastOugoingPacket != null)
{
fLastOugoingPacket.Cancel();
}
if (fLastMessageCollectorPacket != null)
{
fLastMessageCollectorPacket.Cancel();
}
fConnection = null;
fLastIncomingPacket = null;
fLastOugoingPacket = null;
fLastMessageCollectorPacket = null;
fMyMessageCollector = null;
fMyListener.RemoveClient(fIPAddress);
fMyListener.MyExtasysTCPServer.OnClientDisconnect(this);
}
}