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Reconfiguration hook.

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It will survive many timer and constat changes.
This commit is contained in:
Ondrej Filip 2000-06-07 00:56:11 +00:00
parent 1532a244da
commit edc34dc912
1 changed files with 172 additions and 1 deletions
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173
proto/ospf/ospf.c
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@ -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