code: def interface(self):
          
          
          # Possible control arguments
          controls = {
              'start': self.do_start,
              'stop': self.do_stop,
              'status': self.do_status,
              'restart': self.do_restart,
              'reload': self.do_restart    
          }
          
          # Process the control argument
          try:
              controls[self.command]()
          except KeyError:
              self.write_stdout('Usage: {} {{start|stop|status|restart|reload}}'.format(self.name), 3)
          exit(0)
docs: Public method for handling service command argument.