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Fixed bug receiving dbdes packets in EXSTART state.

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This commit is contained in:
Ondrej Filip 1999-11-17 13:15:01 +00:00
parent 62a4639548
commit e17baa3108
1 changed files with 15 additions and 15 deletions
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30
proto/ospf/ospf.c
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@ -57,7 +57,8 @@ ospf_pkt_finalize(struct ospf_iface *ifa, struct ospf_packet *pkt)
(pkt+1),ntohs(pkt->length)-sizeof(struct ospf_packet),NULL);
}
void ospf_dbdes_tx(struct ospf_iface *ifa)
void
ospf_dbdes_tx(struct ospf_iface *ifa)
{
struct ospf_dbdes_packet *pkt;
struct ospf_packet *op;
@ -123,12 +124,15 @@ neigh_chstate(struct ospf_neighbor *n, u8 state)
struct ospf_iface *ifa;
struct proto *p;
ifa=n->ifa;
p=(struct proto *)(ifa->proto);
if(n->state!=state)
{
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;
debug("%s: Neigbor '%u' changes state from %u to %u.\n", p->name, n->rid,
n->state, state);
n->state=state;
}
}
@ -143,7 +147,7 @@ tryadj(struct ospf_neighbor *n, struct proto *p)
n->dds=random_u32();
}
n->dds++;
n->myimms=(DBDES_MS | DBDES_M|DBDES_I );
n->myimms=(DBDES_MS | DBDES_M | DBDES_I );
tm_start(n->ifa->rxmt_timer,1); /* Or some other number ? */
}
@ -410,6 +414,7 @@ ospf_neigh_sm(struct ospf_neighbor *n, int event)
break;
case INM_SEQMIS:
case INM_BADLSREQ:
debug("%s: Bad LS req!\n", p->name);
if(n->state>=NEIGHBOR_EXCHANGE)
{
neigh_chstate(n,NEIGHBOR_EXSTART);
@ -615,13 +620,6 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
ospf_neigh_sm(n, INM_2WAYREC);
if(n->state!=NEIGHBOR_EXSTART) return;
case NEIGHBOR_EXSTART:
if(size!=sizeof(struct ospf_dbdes_packet))
{
debug("%s: Received bad dbdes from %u in exstart state.\n",
p->name, nrid);
return;
}
if(ps->imms==(DBDES_I|DBDES_M|DBDES_MS) && (n->rid > myrid) &&
(size == sizeof(struct ospf_dbdes_packet)))
{
@ -650,10 +648,11 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
{
debug("%s: Nothing happend to %u (imms=%u)", p->name, nrid,
ps->imms);
break;
}
}
break; /* I should probably continue processing packet */
break;
case NEIGHBOR_EXCHANGE:
if((ps->imms==n->imms) && (ps->options=n->options) &&
(ps->ddseq==n->dds))
@ -667,6 +666,7 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
else
{
/* FIXME: Send response! */
return;
}
}