def set_npn_advertise_callback(self, callback):
        """
        Specify a callback function that will be called when offering `Next
        Protocol Negotiation
        <https://technotes.googlecode.com/git/nextprotoneg.html>`_ as a server.

        :param callback: The callback function.  It will be invoked with one
            argument, the :class:`Connection` instance.  It should return a
            list of bytestrings representing the advertised protocols, like
            ``[b'http/1.1', b'spdy/2']``.

        .. versionadded:: 0.15
        """
        _warn_npn()
        self._npn_advertise_helper = _NpnAdvertiseHelper(callback)
        self._npn_advertise_callback = self._npn_advertise_helper.callback
        _lib.SSL_CTX_set_next_protos_advertised_cb(
            self._context, self._npn_advertise_callback, _ffi.NULL)
def set_npn_advertise_callback(self, callback):
        """
        Specify a callback function that will be called when offering `Next
        Protocol Negotiation
        <https://technotes.googlecode.com/git/nextprotoneg.html>`_ as a server.

        :param callback: The callback function.  It will be invoked with one
            argument, the :class:`Connection` instance.  It should return a
            list of bytestrings representing the advertised protocols, like
            ``[b'http/1.1', b'spdy/2']``.

        .. versionadded:: 0.15
        """
        _warn_npn()
        self._npn_advertise_helper = _NpnAdvertiseHelper(callback)
        self._npn_advertise_callback = self._npn_advertise_helper.callback
        _lib.SSL_CTX_set_next_protos_advertised_cb(
            self._context, self._npn_advertise_callback, _ffi.NULL)
def set_npn_advertise_callback ( self , callback ) : _warn_npn ( ) self . _npn_advertise_helper = _NpnAdvertiseHelper ( callback ) self . _npn_advertise_callback = self . _npn_advertise_helper . callback _lib . SSL_CTX_set_next_protos_advertised_cb ( self . _context , self . _npn_advertise_callback , _ffi . NULL )
Specify a callback function that will be called when offering `Next
        Protocol Negotiation
        <https://technotes.googlecode.com/git/nextprotoneg.html>`_ as a server.

        :param callback: The callback function.  It will be invoked with one
            argument, the :class:`Connection` instance.  It should return a
            list of bytestrings representing the advertised protocols, like
            ``[b'http/1.1', b'spdy/2']``.

        .. versionadded:: 0.15
Specify a callback function that will be called when offering Next Protocol Negotiation <https : // technotes . googlecode . com / git / nextprotoneg . html > _ as a server .