route6.py 文件源码

def ifchange(self, iff, addr):
        the_addr, the_plen = (addr.split("/")+["128"])[:2]
        the_plen = int(the_plen)

        naddr = inet_pton(socket.AF_INET6, the_addr)
        nmask = in6_cidr2mask(the_plen)
        the_net = inet_ntop(socket.AF_INET6, in6_and(nmask,naddr))

        for i in range(len(self.routes)):
            net,plen,gw,iface,addr = self.routes[i]
            if iface != iff:
                continue
            if gw == '::':
                self.routes[i] = (the_net,the_plen,gw,iface,the_addr)
            else:
                self.routes[i] = (net,the_plen,gw,iface,the_addr)
        self.invalidate_cache()
        ip6_neigh_cache.flush()