*** /n/archiv/python/rfc2217_server.py	2018-03-10 09:02:07.613771600 +0100
--- rfc2217_server.py	2018-03-09 20:57:44.933717100 +0100
***************
*** 26,31 ****
--- 26,32 ----
              self,
              logger=logging.getLogger('rfc2217.server') if debug else None)
          self.log = logging.getLogger('redirector')
+         self.dlog = logging.getLogger('data')
  
      def statusline_poller(self):
          self.log.debug('status line poll thread started')
***************
*** 55,60 ****
--- 56,62 ----
              try:
                  data = self.serial.read(self.serial.in_waiting or 1)
                  if data:
+                     self.dlog.debug("serial read: "+data.encode('hex'))
                      # escape outgoing data when needed (Telnet IAC (0xff) character)
                      self.write(b''.join(self.rfc2217.escape(data)))
              except socket.error as msg:
***************
*** 76,81 ****
--- 78,84 ----
                  data = self.socket.recv(1024)
                  if not data:
                      break
+                 self.dlog.debug("socket read: "+data.encode('hex'))
                  self.serial.write(b''.join(self.rfc2217.filter(data)))
              except socket.error as msg:
                  self.log.error('{}'.format(msg))
***************
*** 132,137 ****
--- 135,141 ----
      logging.basicConfig(level=logging.INFO)
      #~ logging.getLogger('root').setLevel(logging.INFO)
      logging.getLogger('rfc2217').setLevel(level)
+     logging.getLogger('data').setLevel(level)
  
      # connect to serial port
      ser = serial.serial_for_url(args.SERIALPORT, do_not_open=True)