route.py 文件源码

def ifchange(self, iff, addr):
        self.invalidate_cache()
        the_addr,the_msk = (addr.split("/")+["32"])[:2]
        the_msk = itom(int(the_msk))
        the_rawaddr = atol(the_addr)
        the_net = the_rawaddr & the_msk


        for i in range(len(self.routes)):
            net,msk,gw,iface,addr = self.routes[i]
            if iface != iff:
                continue
            if gw == '0.0.0.0':
                self.routes[i] = (the_net,the_msk,gw,iface,the_addr)
            else:
                self.routes[i] = (net,msk,gw,iface,the_addr)
        conf.netcache.flush()