text: # Register a test client to the server
  
  import zmq
  
  c = zmq.Context()
  s = c.socket(zmq.DEALER)
  s.setsockopt(zmq.IDENTITY,b"test_1")
  s.connect("tcp://localhost:5555")
  s.send_multipart([b"REG",b"FLIGHT",b"spacepacket"])
  
  