docs: def setup_handler(self, io_loop):
  		""" :meth:`.WIOLoopServiceHandler.setup_handler` implementation. When this object is in
  		'non-server mode' (client mode), then beacon message is sent
  		"""
  		WNativeSocketHandler.setup_handler(self, io_loop)
  		if self.server_mode() is False:
  			self.io_handler().transport_socket().sendto(
  				self.io_handler().messenger().request(self.config()),
  				self.transport().target_socket(self.config()).pair()
  			)