tundev.py 文件源码

def init_func(self, creator_fd, tun_dev_name, *args, **kwargs):
        """
        :param creator_fd:
        :param tun_dev_name:tun ????
        :param subnet:?????????????
        """
        tun_fd = self.__create_tun_dev(tun_dev_name)

        if tun_fd < 3:
            print("error:create tun device failed:%s" % tun_dev_name)
            sys.exit(-1)

        self.__creator_fd = creator_fd
        self.__qos = simple_qos.qos(simple_qos.QTYPE_DST)

        self.set_fileno(tun_fd)
        fcntl.fcntl(tun_fd, fcntl.F_SETFL, os.O_NONBLOCK)
        self.dev_init(tun_dev_name, *args, **kwargs)

        return tun_fd