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Router LSA & area adding.

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This commit is contained in:
Ondrej Filip 2000-02-25 19:19:41 +00:00
parent b786df7035
commit de30342f97
4 changed files with 59 additions and 15 deletions
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2
proto/ospf/ospf.c
View File

@ -38,7 +38,7 @@ ospf_dump(struct proto *p)
struct proto_ospf *po=(struct proto_ospf *)p;
struct ospf_area *oa;
debug("%s: AreaID: %u\n", p->name, c->area );
debug("%s: Area number: %d\n", p->name, po->areano);
WALK_LIST(ifa, po->iface_list)
{

2
proto/ospf/ospf.h
View File

@ -213,6 +213,8 @@ struct ospf_area {
struct ospf_area *next;
u32 areaid;
struct top_graph *gr; /* LSA graph */
struct top_hash_entry *rt; /* My own router LSA */
slab *rtlinks;
};
struct proto_ospf {

56
proto/ospf/topology.c
View File

@ -2,7 +2,7 @@
* BIRD -- OSPF Topological Database
*
* (c) 1999 Martin Mares <mj@ucw.cz>
* (c) 1999 Ondrej Filip <feela@network.cz>
* (c) 1999 - 2000 Ondrej Filip <feela@network.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
@ -28,9 +28,13 @@ addifa_rtlsa(struct ospf_iface *ifa)
{
struct ospf_area *oa;
struct proto_ospf *po;
u32 rtid;
struct top_graph_rtlsa *rt;
struct top_graph_rtlsa_link *li, *lih;
po=ifa->proto;
oa=po->firstarea;
rtid=po->proto.cf->global->router_id;
while(oa!=NULL)
{
@ -38,22 +42,45 @@ addifa_rtlsa(struct ospf_iface *ifa)
oa=oa->next;
}
if(oa!=NULL) /* Known area */
if(oa==NULL) /* New area */
{
/**/;
}
else /* New area */
{
po->areano++;
oa=po->firstarea;
po->firstarea=mb_alloc(po->proto.pool, sizeof(struct ospf_area));
po->firstarea->next=oa;
po->firstarea->areaid=ifa->area;
po->firstarea->gr=ospf_top_new(po);
oa=po->firstarea;
oa->areaid=ifa->area;
oa->gr=ospf_top_new(po);
oa->rtlinks=sl_new(po->proto.pool,
sizeof(struct top_graph_rtlsa_link));
oa->rt=ospf_hash_get(oa->gr, rtid, rtid, LSA_T_RT);
DBG("XXXXXX %x XXXXXXX\n", oa->rt);
rt=mb_alloc(po->proto.pool, sizeof(struct top_graph_rtlsa));
oa->rt->vertex=(void *)rt;
oa->rt->lsage=0;
oa->rt->lsseqno=LSA_INITSEQNO; /* FIXME Check it latter */
rt->Vbit=0;
rt->Ebit= (po->areano++ ? 0 : 1); /* If it's 1st area set 0 */
rt->Bbit=0; /* FIXME Could read config */
DBG("%s: New OSPF area \"%d\" added.\n", po->proto.name, ifa->area);
}
/* FIXME Go on, change router lsa, bits and so on... */
if(po->areano==2) /* We are attached to more than 2 areas! */
{
oa=po->firstarea;
while(oa!=NULL)
{
rt=(struct top_graph_rtlsa *)oa->rt->vertex;
rt->Ebit=1;
/*FIXME lsa_flood(oa->rt) */
oa=oa->next;
}
}
else
{
/*FIXME lsa_flood(oa->rt) */;
}
}
}
@ -174,6 +201,8 @@ ospf_hash_get(struct top_graph *f, u32 lsa, u32 rtr, u32 type)
e->rtr_id = rtr;
e->lsa_type = type;
e->vertex = NULL;
e->next=*ee; /* MJ you forgot this :-) */
*ee=e;
if (f->hash_entries++ > f->hash_entries_max)
ospf_top_rehash(f, HASH_HI_STEP);
return e;
@ -204,14 +233,17 @@ void
ospf_top_dump(struct top_graph *f)
{
unsigned int i;
debug("Hash entries: %d\n", f->hash_entries);
for(i=0; i<f->hash_size; i++)
{
struct top_hash_entry *e = f->hash_table[i];
while (e)
{
debug("%04x %08x %08x %p\n", e->lsa_type, e->lsa_id, e->rtr_id, e->vertex);
debug("\t%04x %08x %08x %p\n", e->lsa_type, e->lsa_id,
e->rtr_id, e->vertex);
e = e->next;
}
}
}

12
proto/ospf/topology.h
View File

@ -1,7 +1,7 @@
/*
* BIRD -- OSPF
*
* (c) 1999 Ondrej Filip <feela@network.cz>
* (c) 1999 - 2000 Ondrej Filip <feela@network.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
@ -14,9 +14,19 @@ struct top_hash_entry { /* Index for fast mapping (type,rtrid,LSid)->vertex */
struct top_vertex *vertex;
u32 lsa_id, rtr_id;
u8 lsa_type;
#define LSA_T_RT 1
#define LSA_T_NET 2
#define LSA_T_SUM_NET 3
#define LSA_T_SUM_RT 4
#define LSA_T_EXT 5
u8 options;
u16 lsage;
#define LSA_MAXAGE 3600 /* 1 hour */
#define LSA_CHECKAGE 300 /* 5 minutes */
#define LSA_MAXAGEDIFF 900 /* 15 minutes */
u32 lsseqno;
#define LSA_INITSEQNO 0x80000001
#define LSA_MAXSEQNO 0x7fffffff
};
struct top_graph {