ws_handler.py 文件源码

def send_error(self, reason):
        """Send an error to someone."""

        msg = msgpack.packb({'type': 'response', 'success': False, 'reason': reason})

        try:
            self.logger.debug("Sending error: %s", reason)
            self.write_message(msg, binary=True)
        except tornado.websocket.WebSocketClosedError:
            pass