MissionPlanner.temp.DoAcceptTcpClientCallback C# (CSharp) Method

        private void DoAcceptTcpClientCallback(IAsyncResult ar)
        {
            try
            {
                // Get the listener that handles the client request.
                var listener = (TcpListener)ar.AsyncState;

                listener.BeginAcceptTcpClient(DoAcceptTcpClientCallback, listener);

                if (client != null && client.Connected)
                    return;

                // End the operation and display the received data on  
                // the console.
                using (
                    client = listener.EndAcceptTcpClient(ar))
                {
                    var stream = client.GetStream();

                    if (!comport.IsOpen)
                        comport.Open();

                    while (client.Connected && comport.IsOpen)
                    {
                        while (stream.DataAvailable)
                        {
                            var data = new byte[4096];
                            try
                            {
                                var len = stream.Read(data, 0, data.Length);

                                comport.Write(data, 0, len);
                            }
                            catch
                            {
                            }
                        }

                        while (comport.BytesToRead > 0)
                        {
                            var data = new byte[4096];
                            try
                            {
                                var len = comport.Read(data, 0, data.Length);

                                stream.Write(data, 0, len);
                            }
                            catch
                            {
                            }
                        }

                        Thread.Sleep(1);
                    }
                }
            }
            catch
            {
            }
        }