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Small bux fixes. A neigh_chstate added.

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This commit is contained in:
Ondrej Filip 1999-08-10 12:06:45 +00:00
parent a7d388d23e
commit 032df28048
1 changed files with 26 additions and 34 deletions
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56
proto/ospf/ospf.c
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@ -23,16 +23,28 @@
#include "ospf.h"
void
neigh_chstate(struct ospf_neighbor *n, int state)
{
struct ospf_iface *ifa;
struct proto *p;
ifa=n->ifa;
p=(struct proto *)(ifa->proto);
debug("%s: Neigbor '%u' changes state from %u to %u.\n", p->name, n->rid,
n->state, state);
n->state=state;
}
/* Try to build neighbor adjacency (if does not exists) */
void
tryadj(struct ospf_neighbor *n, struct proto *p)
{
if(n->state==NEIGHBOR_INIT)
{
DBG("%s: Going to build adjacency.\n", p->name);
n->state=NEIGHBOR_EXSTART;
neigh_chstate(n,NEIGHBOR_EXSTART);
/* FIXME Go on */
}
}
/* Neighbor is inactive for a long time. Remove it. */
@ -257,7 +269,7 @@ ospf_hello_rx(struct ospf_hello_packet *ps, struct proto *p,
if(n==NULL)
{
log("%s: New neighbor found: %u.",p->name,nrid);
log("%s: New neighbor found: %u.", p->name,nrid);
n=mb_alloc(p->pool, sizeof(struct ospf_neighbor));
add_tail(&ifa->neigh_list, NODE n);
n->inactim=tm_new(p->pool);
@ -266,12 +278,13 @@ ospf_hello_rx(struct ospf_hello_packet *ps, struct proto *p,
n->inactim->hook=neighbor_timer_hook;
n->inactim->recurrent=0;
DBG("%s: Installing inactivity timer.\n", p->name);
n->state=NEIGHBOR_INIT;
n->rid=nrid;
n->dr=ntohl(ps->dr);
n->bdr=ntohl(ps->bdr);
n->priority=ps->priority;
n->options=ps->options;
n->ifa=ifa;
neigh_chstate(n,NEIGHBOR_INIT);
}
tm_start(n->inactim,ifa->deadc*ifa->helloint);
@ -290,14 +303,14 @@ ospf_hello_rx(struct ospf_hello_packet *ps, struct proto *p,
if(twoway)
{
if(n->state<NEIGHBOR_2WAY) n->state=NEIGHBOR_2WAY;
if(n->state<NEIGHBOR_2WAY) neigh_chstate(n,NEIGHBOR_2WAY);
}
else
{
if(n->state>=NEIGHBOR_2WAY)
{
/* FIXME Delete all learnt */
n->state=NEIGHBOR_INIT;
neigh_chstate(n,NEIGHBOR_INIT);
}
}
@ -352,34 +365,13 @@ ospf_hello_rx(struct ospf_hello_packet *ps, struct proto *p,
DBG("\n");
break;
case OSPF_IS_DROTHER:
if(twoway)
{
if((n->rid==n->dr) || (n->rid==n->bdr)) tryadj(n,p);
else n->state=NEIGHBOR_2WAY;
}
else
{
if(n->state==NEIGHBOR_2WAY) n->state=NEIGHBOR_INIT;
if(n->state>NEIGHBOR_2WAY)
{
/* FIXME Kill adjacency */;
n->state=NEIGHBOR_INIT;
}
}
if(((n->rid==ifa->drid) || (n->rid==ifa->bdrid))
&& (n->state==NEIGHBOR_2WAY)) tryadj(n,p);
break;
case OSPF_IS_PTP:
case OSPF_IS_BACKUP:
case OSPF_IS_DR:
if(twoway) tryadj(n,p);
else
{
if(n->state==NEIGHBOR_2WAY) n->state=NEIGHBOR_INIT;
if(n->state>NEIGHBOR_2WAY)
{
/* FIXME Kill adjacency */;
n->state=NEIGHBOR_INIT;
}
}
if(n->state==NEIGHBOR_2WAY) tryadj(n,p);
break;
default:
die("%s: Iface %s in unknown state?",p->name, ifa->iface->name);