code: def stop(self):
          
          self.debug("()")
          super(SensorServer, self).stop()
          # No new clients
          if self._multicast_socket is not None:
              self._shutdown_multicast_socket()
          # Signal packet loop to shutdown
          self._is_stopped.set()
docs: Stop the sensor server (soft stop - signal packet loop to stop)
          Warning: Is non blocking (server might still do something after this!)
  
          :rtype: None