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authorOndrej Filip <feela@network.cz>2000-06-07 02:56:11 +0200
committerOndrej Filip <feela@network.cz>2000-06-07 02:56:11 +0200
commitedc34dc9121c188f7794d404fb112c8b162e968a (patch)
tree4f8951d9d0ea12d368b5006b1e8ea65bd03571a9 /proto/ospf
parent1532a244da43b25fb78b7b3a67a344fa4ac542d4 (diff)
downloadbird-edc34dc9121c188f7794d404fb112c8b162e968a.tar
bird-edc34dc9121c188f7794d404fb112c8b162e968a.zip
Reconfiguration hook.
It will survive many timer and constat changes.
Diffstat (limited to 'proto/ospf')
-rw-r--r--proto/ospf/ospf.c173
1 files changed, 172 insertions, 1 deletions
diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c
index 70098aa..698c6a2 100644
--- a/proto/ospf/ospf.c
+++ b/proto/ospf/ospf.c
@@ -350,11 +350,182 @@ ospf_get_attr(eattr *a, byte *buf)
default: return GA_UNKNOWN;
}
}
+static int
+ospf_patt_compare(struct ospf_iface_patt *a, struct ospf_iface_patt *b)
+{
+ return ((a->cost==b->cost)&&(a->type==b->type)&&(a->priority==b->priority));
+}
static int
ospf_reconfigure(struct proto *p, struct proto_config *c)
{
- return 0; /* Alway down :-( */
+ struct ospf_config *old=(struct ospf_config *)(p->cf);
+ struct ospf_config *new=(struct ospf_config *)c;
+ struct ospf_area_config *ac1,*ac2;
+ struct proto_ospf *po=( struct proto_ospf *)p;
+ struct ospf_iface_patt *ip1,*ip2;
+ struct ospf_iface *ifa;
+ struct nbma_node *nb1,*nb2,*nbnx;
+ struct ospf_area *oa;
+ int found;
+
+ po->rfc1583=new->rfc1583; /* FIXME but if differs schedule RT calc */
+
+ ac1=HEAD(old->area_list);
+ ac2=HEAD(new->area_list);
+
+ /* I should get it in same order */
+
+ 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->tick!=ac2->tick)
+ {
+ WALK_LIST(oa,po->area_list)
+ {
+ 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;
+ }
+ }
+ }
+
+ if(!iface_patts_equal(&ac1->patt_list, &ac2->patt_list,
+ (void *) ospf_patt_compare))
+ return 0;
+
+ WALK_LIST(ifa, po->iface_list)
+ {
+ if(ip1=(struct ospf_iface_patt *)
+ iface_patt_match(&ac1->patt_list, ifa->iface))
+ {
+ /* Now reconfigure interface */
+ if(!(ip2=(struct ospf_iface_patt *)
+ iface_patt_match(&ac2->patt_list, ifa->iface))) return 0;
+
+ /* HELLO TIMER */
+ if(ip1->helloint!=ip2->helloint)
+ {
+ ifa->helloint=ip2->helloint;
+ ifa->hello_timer->recurrent=ifa->helloint;
+ tm_start(ifa->hello_timer,ifa->helloint);
+ OSPF_TRACE(D_EVENTS,
+ "Changing hello interval on interface %s from %d to %d",
+ ifa->iface->name,ip1->helloint,ip2->helloint);
+ }
+
+ /* AUTHETICATION */
+ if(ip1->autype!=ip2->autype)
+ {
+ ifa->autype=ip2->autype;
+ OSPF_TRACE(D_EVENTS,
+ "Changing autentication type on interface %s",
+ ifa->iface->name);
+ }
+ if(strncmp(ip1->password,ip2->password,8)!=0)
+ {
+ memcpy(ifa->aukey,ip2->password,8);
+ OSPF_TRACE(D_EVENTS,
+ "Changing password on interface %s",
+ ifa->iface->name);
+ }
+
+ /* RXMT */
+ if(ip1->rxmtint!=ip2->rxmtint)
+ {
+ ifa->rxmtint=ip2->rxmtint;
+ OSPF_TRACE(D_EVENTS,
+ "Changing retransmit interval on interface %s from %d to %d",
+ ifa->iface->name,ip1->rxmtint,ip2->rxmtint);
+ }
+
+ /* WAIT */
+ if(ip1->waitint!=ip2->waitint)
+ {
+ ifa->waitint=ip2->waitint;
+ if(ifa->wait_timer->expires!=0)
+ tm_start(ifa->wait_timer,ifa->waitint);
+ OSPF_TRACE(D_EVENTS,
+ "Changing wait interval on interface %s from %d to %d",
+ ifa->iface->name,ip1->waitint,ip2->waitint);
+ }
+
+ /* INFTRANS */
+ if(ip1->inftransdelay!=ip2->inftransdelay)
+ {
+ ifa->inftransdelay=ip2->inftransdelay;
+ OSPF_TRACE(D_EVENTS,
+ "Changing transmit delay on interface %s from %d to %d",
+ ifa->iface->name,ip1->inftransdelay,ip2->inftransdelay);
+ }
+
+ /* DEAD COUNT */
+ if(ip1->deadc!=ip2->deadc)
+ {
+ ifa->deadc=ip2->deadc;
+ OSPF_TRACE(D_EVENTS,
+ "Changing dead count on interface %s from %d to %d",
+ ifa->iface->name,ip1->deadc,ip2->deadc);
+ }
+
+ /* NBMA LIST */
+ /* First remove old */
+ WALK_LIST_DELSAFE(nb1, nbnx, ifa->nbma_list)
+ {
+ found=0;
+ WALK_LIST(nb2, ip2->nbma_list)
+ if(ipa_compare(nb1->ip,nb2->ip)==0)
+ {
+ found=1;
+ break;
+ }
+
+ if(!found)
+ {
+ OSPF_TRACE(D_EVENTS,
+ "Removing NBMA neighbor %I on interface %s",
+ nb1->ip,ifa->iface->name);
+ rem_node(NODE nb1);
+ mb_free(nb1);
+ }
+ }
+ /* And then add new */
+ WALK_LIST(nb2, ip2->nbma_list)
+ {
+ found=0;
+ WALK_LIST(nb1, ifa->nbma_list)
+ if(ipa_compare(nb1->ip,nb2->ip)==0)
+ {
+ found=1;
+ break;
+ }
+ if(!found)
+ {
+ nb1=mb_alloc(p->pool,sizeof(struct nbma_node));
+ nb1->ip=nb2->ip;
+ add_tail(&ifa->nbma_list, NODE nb1);
+ OSPF_TRACE(D_EVENTS,
+ "Adding NBMA neighbor %I on interface %s",
+ nb1->ip,ifa->iface->name);
+ }
+ }
+ }
+ }
+
+ NODE ac1=(NODE (ac1))->next;
+ NODE ac2=(NODE (ac2))->next;
+ }
+
+ if(((NODE (ac1))->next)!=((NODE (ac2))->next))
+ return 0; /* One is not null */
+
+ return 1; /* Everythink OK :-) */
}
void