Jerry/bird
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Calculation of external routes works. :-)

Browse source
This commit is contained in:
Ondrej Filip 2000-05-12 00:22:43 +00:00
parent be2bb40341
commit 7e681ef360
1 changed files with 28 additions and 45 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

73
proto/ospf/rt.c
View file

@ -173,22 +173,9 @@ again:
if(nf->metric==LSINFINITY)
{
net *ne;
rta a0;
struct top_hash_entry *en=nf->en;
ln=en->lsa_body;
bzero(&a0, sizeof(a0));
a0.proto=p;
a0.source=RTS_OSPF;
a0.scope=SCOPE_UNIVERSE; /* What's this good for? */
a0.cast=RTC_UNICAST;
a0.dest=RTD_ROUTER;
a0.flags=0;
a0.aflags=0;
a0.iface=en->nhi;
a0.gw=en->nh;
a0.from=en->nh; /* FIXME Just a test */
ne=net_get(p->table, nf->fn.prefix, nf->fn.pxlen);
DBG("Deleting rt entry %I\n (IP: %I, GW: %I, Iface: %s)\n",
nf->fn.prefix,ip,en->nh,en->nhi->name);
@ -254,15 +241,16 @@ again:
}
skip:
FIB_ITERATE_END(nftmp);
ospf_ext_spfa(po);
}
void
ospf_ext_spfa(struct proto_ospf *po) /* FIXME looking into inter-area */
{
struct top_hash_entry *en,*etmp,*absr;
struct fib *in=&po->efib;
struct fib *ef=&po->efib;
struct extfib *nf;
struct fib_iterator efit;
struct fib_iterator fit;
struct ospf_area *oa=NULL,*atmp,*absroa;
struct proto *p=&po->proto;
struct ospf_lsa_ext *le;
@ -274,6 +262,14 @@ ospf_ext_spfa(struct proto_ospf *po) /* FIXME looking into inter-area */
debug("%s: Starting routing table calculation for external routes\n",
p->name);
FIB_WALK(ef,nftmp)
{
nf=(struct extfib *)nftmp;
nf->metric=LSINFINITY;
nf->metric2=LSINFINITY;
}
FIB_WALK_END;
WALK_LIST(oa,po->area_list)
{
if(!oa->stub) break;
@ -298,11 +294,11 @@ ospf_ext_spfa(struct proto_ospf *po) /* FIXME looking into inter-area */
WALK_LIST(atmp,po->area_list)
{
if((nf=fib_get(&atmp->infib,&ip, mlen))!=NULL) break;
if((nf=fib_find(&atmp->infib,&ip, mlen))!=NULL) break;
}
if(nf!=NULL) continue; /* Some intra area path exists */
absr=NULL;
absroa=NULL;
@ -334,7 +330,7 @@ ospf_ext_spfa(struct proto_ospf *po) /* FIXME looking into inter-area */
met2=0;
}
}
nf=fib_get(&po->efib,&ip, mlen);
nf=fib_get(ef,&ip, mlen);
if((nf->metric>met) || ((nf->metric==met)&&(nf->metric2>met2)))
{
nf->metric=met;
@ -346,7 +342,7 @@ ospf_ext_spfa(struct proto_ospf *po) /* FIXME looking into inter-area */
if((neigh=find_neigh_noifa(po,absr->lsa.rt))==NULL)
{
goto skip2;
continue;
}
nn=neigh_find(p,&neigh->ip,0);
DBG(" Next hop calculated: %I\n", nn->addr);
@ -362,37 +358,24 @@ ospf_ext_spfa(struct proto_ospf *po) /* FIXME looking into inter-area */
}
DBG("\nNow syncing my rt table with nest's\n\n");
FIB_ITERATE_INIT(&efit,&po->efib);
again2:
FIB_ITERATE_START(&po->efib,&efit,nfptmp)
FIB_ITERATE_INIT(&fit,ef);
noch:
FIB_ITERATE_START(ef,&fit,nftmp)
{
nf=(struct extfib *)nfptmp;
nf=(struct extfib *)nftmp;
if(nf->metric==LSINFINITY)
{
net *ne;
rta a0;
bzero(&a0, sizeof(a0));
a0.proto=p;
a0.source=RTS_OSPF_EXT;
a0.scope=SCOPE_UNIVERSE; /* What's this good for? */
a0.cast=RTC_UNICAST;
a0.dest=RTD_ROUTER;
a0.flags=0;
a0.aflags=0;
a0.iface=nf->nhi;
a0.gw=nf->nh;
a0.from=nf->nh; /* FIXME Just a test */
ne=net_get(p->table, nf->fn.prefix, nf->fn.pxlen);
DBG("Deleting rt entry %I\n (IP: %I, GW: %I, Iface: %s)\n",
nf->fn.prefix,ip,nf->nh,nf->nhi->name);
DBG("Deleting rt entry %I\n (IP: %I, GW: %I)\n",
nf->fn.prefix,ip,nf->nh);
rte_update(p->table, ne, p, NULL);
/* Now delete my fib */
FIB_ITERATE_PUT(&efit, nfptmp);
fib_delete(&po->efib, nfptmp);
goto again2;
FIB_ITERATE_PUT(&fit, nftmp);
fib_delete(ef, nftmp);
goto noch;
}
else
{
@ -420,13 +403,13 @@ again2:
e->pflags = 0;
e->net=ne;
e->pref = p->preference;
DBG("Modifying rt entry %I\n (IP: %I, GW: %I, Iface: %s)\n",
nf->fn.prefix,ip,en->nh,en->nhi->name);
DBG("Modifying rt entry %I\n (IP: %I, GW: %I)\n",
nf->fn.prefix,ip,nf->nh);
rte_update(p->table, ne, p, e);
}
}
skip2:
FIB_ITERATE_END(nfptmp);
let:
FIB_ITERATE_END(nftmp);
}
void