twampy.py 文件源码

def bind6(self, addr, port, tos, ttl):
        log.debug(
            "bind6(addr=%s, port=%d, tos=%d, ttl=%d)", addr, port, tos, ttl)
        self.socket = socket.socket(
            socket.AF_INET6, socket.SOCK_DGRAM, socket.IPPROTO_UDP)
        self.socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_TCLASS, tos)
        self.socket.setsockopt(
            socket.IPPROTO_IPV6, socket.IPV6_UNICAST_HOPS, ttl)
        self.socket.setsockopt(socket.SOL_SOCKET,   socket.SO_REUSEADDR, 1)
        self.socket.bind((addr, port))
        log.info("Wait to receive test packets on [%s]:%d", addr, port)