traffic_pass.py 文件源码

def init_func(self, creator_fd):
        self.__creator_fd = creator_fd
        self.__sent = []

        family = socket.AF_INET

        s = socket.socket(family, socket.SOCK_RAW,
                          socket.IPPROTO_UDP | socket.IPPROTO_ICMP | socket.IPPROTO_UDP | 136)
        s.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
        s.setblocking(0)

        self.__socket = s
        self.set_fileno(s.fileno())
        self.register(self.fileno)
        self.add_evt_read(self.fileno)

        return self.fileno