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rte_better implemented.

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This commit is contained in:
Ondrej Filip 2000-05-17 19:27:51 +00:00
parent 9f0d45d634
commit bbd76b421a
2 changed files with 31 additions and 0 deletions
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29
proto/ospf/ospf.c
View file

@ -15,6 +15,7 @@ ospf_start(struct proto *p)
DBG("%s: Start\n",p->name);
p->if_notify=ospf_if_notify;
p->rte_better=ospf_rte_better;
fib_init(&po->efib,p->pool,sizeof(struct extfib),16,init_efib);
return PS_UP;
@ -69,6 +70,34 @@ ospf_init(struct proto_config *c)
return p;
}
/* If new is better return 1 */
static int
ospf_rte_better(struct rte *new, struct rte *old)
{
struct proto *p = new->attrs->proto;
if(new->u.ospf.metric1=LSINFINITY) return 0;
if(((new->attrs->source==RTS_OSPF) || (new->attrs->source==RTS_OSPF_IA))
&& (old->attrs->source==RTS_OSPF_EXT)) return 1;
if(((old->attrs->source==RTS_OSPF) || (old->attrs->source==RTS_OSPF_IA))
&& (new->attrs->source==RTS_OSPF_EXT)) return 0;
if(new->u.ospf.metric2!=0)
{
if(old->u.ospf.metric2==0) return 0;
if(new->u.ospf.metric2<old->u.ospf.metric2) return 1;
return 0;
}
else
{
if(old->u.ospf.metric2!=0) return 1;
if(new->u.ospf.metric1<old->u.ospf.metric1) return 1;
return 0;
}
}
static void
ospf_postconfig(struct proto_config *c)
{

2
proto/ospf/ospf.h
View file

@ -349,6 +349,8 @@ static void ospf_dump(struct proto *p);
static struct proto *ospf_init(struct proto_config *c);
static void ospf_preconfig(struct protocol *p, struct config *c);
static void ospf_postconfig(struct proto_config *c);
static int ospf_rte_better(struct rte *new, struct rte *old);
#include "proto/ospf/hello.h"
#include "proto/ospf/packet.h"