Only announce change to main routing table if it is better than current.

This commit is contained in:
Pavel Machek 2000-05-10 12:23:06 +00:00
parent 353f326138
commit 14758d87c4

View file

@ -235,6 +235,16 @@ find_interface(struct proto *p, struct iface *what)
* Input processing
*/
static void
rip_rte_update_if_better(rtable *tab, net *net, struct proto *p, rte *new)
{
rte *old;
old = rte_find(net, p);
if (!old || rip_rte_better(new, old))
rte_update(tab, net, p, new);
}
/* Let main routing table know about our new entry */
static void
advertise_entry( struct proto *p, struct rip_block *b, ip_addr whotoldme )
@ -292,7 +302,7 @@ advertise_entry( struct proto *p, struct rip_block *b, ip_addr whotoldme )
r->u.rip.tag = ntohl(b->tag);
r->net = n;
r->pflags = 0; /* Here go my flags */
rte_update( p->table, n, p, r );
rip_rte_update_if_better( p->table, n, p, r );
DBG( "done\n" );
}