Method close

tornado/websocket.py:492–510

Closes this Web Socket. Once the close handshake is successful the socket will be closed. ``code`` may be a numeric status code, taken from the values defined in `RFC 6455 section 7.4.1 <https://tools.ietf.org/html/rfc6455#section-7.4.1>`_. ``reason`` may be

(self, code: Optional[int] = None, reason: Optional[str] = None)

        pass

    def close(self, code: Optional[int] = None, reason: Optional[str] = None) -> None:
        """Closes this Web Socket.

        Once the close handshake is successful the socket will be closed.

        ``code`` may be a numeric status code, taken from the values
        defined in `RFC 6455 section 7.4.1
        <https://tools.ietf.org/html/rfc6455#section-7.4.1>`_.
        ``reason`` may be a textual message about why the connection is
        closing.  These values are made available to the client, but are
        not otherwise interpreted by the websocket protocol.

        .. versionchanged:: 4.0

           Added the ``code`` and ``reason`` arguments.
        """
        if self.ws_connection:
            self.ws_connection.close(code, reason)
            self.ws_connection = None

    def check_origin(self, origin: str) -> bool:
        """Override to enable support for allowing alternate origins.