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Flooding work continues.

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This commit is contained in:
Ondrej Filip
2000-04-04 00:32:17 +00:00
parent 8496b2e41a
commit 921a93f217
8 changed files with 90 additions and 7 deletions
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70
proto/ospf/lsupd.c
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@@ -87,6 +87,7 @@ ospf_lsupd_rx(struct ospf_lsupd_packet *ps, struct proto *p,
struct ospf_neighbor *n;
struct ospf_lsa_header *lsa;
struct ospf_area *oa;
struct proto_ospf *po=(struct proto_ospf *)p;
u16 length;
u8 i;
@@ -113,7 +114,9 @@ ospf_lsupd_rx(struct ospf_lsupd_packet *ps, struct proto *p,
for(i=0;i<ntohl(ps->lsano);i++,
lsa=(struct ospf_lsa_header *)(((u8 *)lsa)+ntohs(lsa->length)))
{
if(lsa->checksum!=lsasum_check(lsa,NULL,(struct proto_ospf *)p))
struct ospf_lsa_header lsatmp;
struct top_hash_entry *lsadb;
if(lsa->checksum!=lsasum_check(lsa,NULL,po))
{
log("Received bad lsa checksum from %u\n",n->rid);
continue;
@@ -128,9 +131,72 @@ ospf_lsupd_rx(struct ospf_lsupd_packet *ps, struct proto *p,
log("Received External LSA in stub area from %u\n",n->rid);
continue;
}
/* FIXME Go on */
ntohlsah(lsa,&lsatmp);
DBG("Processing update Type: %u ID: %u RT: %u\n",lsa->type,
ntohl(lsa->id), ntohl(lsa->rt));
lsadb=ospf_hash_find_header(oa->gr, &lsatmp);
if((lsatmp.age==LSA_MAXAGE)&&(lsadb==NULL))
{
struct ospf_neighbor *n=NULL;
struct ospf_iface *ifa=NULL;
int flag=0;
WALK_LIST(NODE ifa,po->iface_list)
WALK_LIST(NODE n,ifa->neigh_list)
if((n->state==NEIGHBOR_EXCHANGE)&&(n->state==NEIGHBOR_LOADING))
flag=1;
if(flag==0)
{
add_ack_list(n,lsa);
continue;
}
}
if((lsadb==NULL)||(lsa_comp(&lsatmp,&lsadb->lsa)==CMP_NEWER))
{
struct ospf_neighbor *n=NULL;
struct ospf_iface *ifa=NULL;
/* FIXME self originated? */
if(lsadb && ((lsadb->inst_t-now)<MINLSARRIVAL)) continue;
/* Remove old from all ret lists */
WALK_LIST(NODE ifa,po->iface_list)
WALK_LIST(NODE n,ifa->neigh_list)
{
struct top_hash_entry *en;
if((en=ospf_hash_find_header(n->lsrth,&lsadb->lsa))!=NULL)
s_rem_node(SNODE en);
}
/* Install new */
memcpy(&lsadb->lsa,&lsatmp,sizeof(struct ospf_lsa_header));
lsadb->inst_t=now;
if(lsadb->lsa_body!=NULL) mb_free(lsadb->lsa_body);
lsadb->lsa_body=mb_alloc(p->pool,lsadb->lsa.length-
sizeof(struct ospf_lsa_header));
ntohlsab(lsa+1,lsadb->lsa_body,lsadb->lsa.type,lsadb->lsa.length);
/* FIXME lsa_flood(n,lsadb) */
/* FIXME ack_lsa() */
continue;
}
/* FIXME pg144 (6)?? */
if(lsa_comp(&lsatmp,&lsadb->lsa)==CMP_SAME)
{
struct top_hash_entry *en;
if((en=ospf_hash_find_header(n->lsrth,&lsadb->lsa))!=NULL)
s_rem_node(SNODE en);
/* FIXME ack_lsa() */
continue;
}
if((lsadb->lsa.age==LSA_MAXAGE)&&(lsadb->lsa.sn==LSA_MAXSEQNO)) continue;
/* FIXME lsa_send(n,lsa) */
}
}