Example #1
0
static int
is_installed(struct zone *zone)
{
    return zone != NULL &&
        find_installed_route(zone->dst_prefix, zone->dst_plen,
                             zone->src_prefix, zone->src_plen) != NULL;
}
Example #2
0
/* add an xroute, verifying some conditions; return 0 if there is no changes */
static int
xroute_add_new_route(unsigned char prefix[16], unsigned char plen,
                     unsigned short metric, unsigned int ifindex,
                     int proto, int send_updates)
{
    int rc;
    if(martian_prefix(prefix, plen))
        return 0;
    metric = redistribute_filter(prefix, plen, ifindex, proto);
    if(metric < INFINITY) {
        rc = add_xroute(prefix, plen, metric, ifindex, proto);
        if(rc > 0) {
            struct babel_route *route;
            route = find_installed_route(prefix, plen);
            if(route)
                uninstall_route(route);
            if(send_updates)
                send_update(NULL, 0, prefix, plen);
            return 1;
        }
    }
    return 0;
}