code: def stop(self):
          
          log.debug("Stopping listeners")
          self.queue_lock.acquire()
          for s in self.listeners:
              log.debug("Stopping {}".format(s))
              s.shutdown()
              s.socket.close()
          self.cancel_queue()
          for t in self.threads:
              t.join()
          self.listeners = []
          self.threads = []
          self.is_running = False
          self.queue_lock.release()
          log.debug("Listeners stopped and threads joined")
docs: Stop the server.