udp.py 文件源码

def _bindSocket(self):
        try:
            skt = self.createSocket()
            skt.bind((self.interface, self.port))
        except socket.error as le:
            raise error.CannotListenError(self.interface, self.port, le)

        # Make sure that if we listened on port 0, we update that to
        # reflect what the OS actually assigned us.
        self._realPortNumber = skt.getsockname()[1]

        log.msg("%s starting on %s" % (
                self._getLogPrefix(self.protocol), self._realPortNumber))

        self.connected = True
        self.socket = skt
        self.getFileHandle = self.socket.fileno