Пример #1
0
        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);
            }
        }
Пример #2
0
        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);
            }
        }