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Area networks added into configuration.

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This commit is contained in:
Ondrej Filip 2001-08-12 00:04:42 +00:00
parent b2bdb40656
commit c926eee724
3 changed files with 94 additions and 15 deletions
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35
proto/ospf/config.Y
View file

@ -17,14 +17,15 @@ static struct ospf_area_config *this_area;
static struct iface_patt *this_ipatt;
#define OSPF_PATT ((struct ospf_iface_patt *) this_ipatt)
static struct nbma_node *this_nbma;
static struct area_net *this_pref;
CF_DECLS
CF_KEYWORDS(OSPF, AREA, OSPF_METRIC1, OSPF_METRIC2, OSPF_TAG)
CF_KEYWORDS(NEIGHBORS, RFC1583COMPAT, STUB, TICK, COST, RETRANSMIT)
CF_KEYWORDS(HELLO, TRANSMIT, PRIORITY, DEAD, NONBROADCAST, POINTOPOINT, TYPE)
CF_KEYWORDS(NEIGHBORS, NONE, SIMPLE, AUTHENTICATION, PASSWORD, STRICT)
CF_KEYWORDS(ELIGIBLE, POLL)
CF_KEYWORDS(NONE, SIMPLE, AUTHENTICATION, PASSWORD, STRICT)
CF_KEYWORDS(ELIGIBLE, POLL, NETWORKS, HIDDEN)
%type <t> opttext
@ -58,6 +59,7 @@ ospf_area_start: AREA idval '{' {
this_area->tick = DISPTICK;
this_area->stub = 0;
init_list(&this_area->patt_list);
init_list(&this_area->net_list);
}
;
@ -72,6 +74,7 @@ ospf_area_opts:
ospf_area_item:
STUB COST expr { this_area->stub = $3 ; if($3<=0) cf_error("Stub cost must be greater than zero"); }
| TICK expr { this_area->tick = $2 ; if($2<=0) cf_error("Tick must be greater than zero"); }
| NETWORKS '{' pref_list '}'
| INTERFACE ospf_iface_list
;
@ -96,6 +99,34 @@ ospf_iface_item:
|
;
pref_list:
/* empty */
| pref_list pref_item
;
pref_item:
pref_el;
| pref_hid;
pref_el: prefix ';'
{
this_pref = cfg_allocz(sizeof(struct area_net));
add_tail(&this_area->net_list, NODE this_pref);
this_pref->net = $1.addr;
this_pref->mlen = $1.len;
}
;
pref_hid: prefix HIDDEN ';'
{
this_pref = cfg_allocz(sizeof(struct area_net));
add_tail(&this_area->net_list, NODE this_pref);
this_pref->net = $1.addr;
this_pref->mlen = $1.len;
this_pref->hidden = 1;
}
;
ipa_list:
/* empty */
| ipa_list ipa_item

65
proto/ospf/ospf.c
View file

@ -77,6 +77,7 @@ ospf_start(struct proto *p)
struct ospf_config *c=(struct ospf_config *)(p->cf);
struct ospf_area_config *ac;
struct ospf_area *oa;
struct area_net *anet,*antmp;
fib_init(&po->efib,p->pool,sizeof(struct extfib),16,init_efib);
init_list(&(po->iface_list));
@ -91,7 +92,7 @@ ospf_start(struct proto *p)
WALK_LIST(ac,c->area_list)
{
oa=mb_allocz(po->proto.pool, sizeof(struct ospf_area));
add_tail(&po->area_list,NODE oa);
add_tail(&po->area_list, NODE oa);
po->areano++;
oa->stub=ac->stub;
oa->tick=ac->tick;
@ -108,6 +109,15 @@ ospf_start(struct proto *p)
tm_start(oa->disp_timer,oa->tick);
oa->calcrt=0;
oa->origrt=0;
init_list(&oa->net_list);
WALK_LIST(anet,ac->net_list)
{
antmp=mb_allocz(po->proto.pool, sizeof(struct area_net));
antmp->net=anet->net;
antmp->mlen=anet->mlen;
antmp->hidden=anet->hidden;
add_tail(&oa->net_list, NODE antmp);
}
fib_init(&oa->infib,po->proto.pool,sizeof(struct infib),16,init_infib);
}
return PS_UP;
@ -485,7 +495,8 @@ ospf_reconfigure(struct proto *p, struct proto_config *c)
struct ospf_iface_patt *ip1,*ip2;
struct ospf_iface *ifa;
struct nbma_node *nb1,*nb2,*nbnx;
struct ospf_area *oa;
struct ospf_area *oa=NULL;
struct area_net *anet,*antmp;
int found;
po->rfc1583=new->rfc1583;
@ -502,23 +513,41 @@ ospf_reconfigure(struct proto *p, struct proto_config *c)
while(((NODE (ac1))->next!=NULL) && ((NODE (ac2))->next!=NULL))
{
if(ac1->areaid!=ac2->areaid) return 0;
if(ac1->stub!=ac2->stub) return 0;
if(ac1->stub!=ac2->stub) return 0; /* FIXME: non zero values can change */
WALK_LIST(oa,po->area_list)
if(oa->areaid==ac2->areaid) break;
if(!oa) return 0;
if(ac1->tick!=ac2->tick)
{
WALK_LIST(oa,po->area_list)
if(oa->areaid==ac2->areaid)
{
if(oa->areaid==ac2->areaid)
{
oa->tick=ac2->tick;
tm_start(oa->disp_timer,oa->tick);
OSPF_TRACE(D_EVENTS,
"Changing tick interval on area %I from %d to %d",
oa->areaid, ac1->tick, ac2->tick);
break;
}
oa->tick=ac2->tick;
tm_start(oa->disp_timer,oa->tick);
OSPF_TRACE(D_EVENTS,
"Changing tick interval on area %I from %d to %d",
oa->areaid, ac1->tick, ac2->tick);
break;
}
}
/* Change net_list */
WALK_LIST_DELSAFE(anet, antmp, oa->net_list)
{
rem_node(NODE anet);
mb_free(anet);
}
WALK_LIST(anet, ac2->net_list)
{
antmp=mb_alloc(p->pool, sizeof(struct area_net));
antmp->net=anet->net;
antmp->mlen=anet->mlen;
antmp->hidden=anet->hidden;
add_tail(&oa->net_list, NODE antmp);
}
if(!iface_patts_equal(&ac1->patt_list, &ac2->patt_list,
(void *) ospf_patt_compare))
return 0;
@ -801,6 +830,16 @@ ospf_sh(struct proto *p)
cli_msg(-1014,"\t\tNumber of LSAs in DB:\t%u", oa->gr->hash_entries);
cli_msg(-1014,"\t\tNumber of neighbors:\t%u", nno);
cli_msg(-1014,"\t\tNumber of adjacent neighbors:\t%u", adjno);
if(!EMPTY_LIST(oa->net_list))
{
struct area_net *anet;
cli_msg(-1014,"\t\tArea networks:");
WALK_LIST(anet, oa->net_list)
{
cli_msg(-1014,"\t\t\t%18I/%u\t%s", anet->net, anet->mlen,
anet->hidden ? "Hidden" : "Advertise");
}
}
}
cli_msg(0,"");
}

9
proto/ospf/ospf.h
View file

@ -65,12 +65,20 @@ struct nbma_node {
int eligible;
};
struct area_net {
node n;
ip_addr net;
int mlen;
int hidden;
};
struct ospf_area_config {
node n;
u32 areaid;
int stub;
unsigned tick;
list patt_list;
list net_list;
};
struct ospf_iface {
@ -379,6 +387,7 @@ struct ospf_area {
slist lsal; /* List of all LSA's */
struct top_hash_entry *rt; /* My own router LSA */
list cand; /* List of candidates for RT calc. */
list net_list; /* Networks to advertise or not */
int stub;
int trcap; /* Transit capability? */
struct proto_ospf *po;