connection.py 文件源码

def sendGlobalRequest(self, request, data, wantReply = 0):
        """
        Send a global request for this connection.  Current this is only used
        for remote->local TCP forwarding.

        @type request:      C{str}
        @type data:         C{str}
        @type wantReply:    C{bool}
        @rtype              C{Deferred}/C{None}
        """
        self.transport.sendPacket(MSG_GLOBAL_REQUEST,
                                  common.NS(request)
                                  + (wantReply and '\xff' or '\x00')
                                  + data)
        if wantReply:
            d = defer.Deferred()
            self.deferreds.setdefault('global', []).append(d)
            return d