System.IO.BACnet.BacnetMstpProtocolTransport.mstp_thread_sniffer C# (CSharp) Méthode

        private void mstp_thread_sniffer()
        {
            for (; ; )
            {
                BacnetMstpFrameTypes frame_type;
                byte destination_address;
                byte source_address;
                int msg_length;

                try
                {
                    GetMessageStatus status = GetNextMessage(T_NO_TOKEN, out  frame_type, out  destination_address, out  source_address, out  msg_length);

                    if (status == GetMessageStatus.ConnectionClose)
                    {
                        m_port = null;
                        return;
                    }
                    else if (status == GetMessageStatus.Good)
                    {
                        // frame event client ?
                        if (RawMessageRecieved != null)
                        {

                            int length = msg_length + MSTP.MSTP_HEADER_LENGTH + (msg_length > 0 ? 2 : 0);

                            // Array copy
                            // after that it could be put asynchronously another time in the Main message loop
                            // without any problem
                            byte[] packet = new byte[length];
                            Array.Copy(m_local_buffer, 0, packet, 0, length);

                            // No need to use the thread pool, if the pipe is too slow
                            // frames task list will grow infinitly
                            RawMessageRecieved(packet, 0, length);
                        }

                        RemoveCurrentMessage(msg_length);
                    }
                }
                catch
                {
                    m_port = null;
                }
            }
        }