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Code Releases Activity

DBdes sending/receiving changes.

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This commit is contained in:
Ondrej Filip
2000-03-29 00:34:28 +00:00
parent d0031c5ee9
commit 963ea03d87
3 changed files with 43 additions and 17 deletions
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45
proto/ospf/dbdes.c
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@@ -48,14 +48,14 @@ ospf_dbdes_tx(struct ospf_neighbor *n)
ifa=n->ifa;
p=(struct proto *)(ifa->proto);
pkt=(struct ospf_dbdes_packet *)(ifa->ip_sk->tbuf);
op=(struct ospf_packet *)pkt;
switch(n->state)
{
case NEIGHBOR_EXSTART: /* Send empty packets */
pkt=(struct ospf_dbdes_packet *)(ifa->ip_sk->tbuf);
op=(struct ospf_packet *)pkt;
fill_ospf_pkt_hdr(ifa, pkt, DBDES);
pkt->iface_mtu=ifa->iface->mtu;
pkt->iface_mtu=htons(ifa->iface->mtu);
pkt->options= ifa->options;
pkt->imms=n->myimms;
pkt->ddseq=n->dds;
@@ -63,62 +63,78 @@ ospf_dbdes_tx(struct ospf_neighbor *n)
op->length=htons(length);
ospf_pkt_finalize(ifa, op);
sk_send_to(ifa->ip_sk,length, n->ip, OSPF_PROTO);
debug("%s: DB_DES sent for %u.\n", p->name, n->rid);
debug("%s: DB_DES (I) sent for %u.\n", p->name, n->rid);
break;
case NEIGHBOR_EXCHANGE:
if(! ((IAMMASTER(n->myimms) && (n->dds==n->ddr+1)) || ((!IAMMASTER(n->myimms)) && (n->dds==n->ddr))))
if(! ((IAMMASTER(n->myimms) && (n->dds==n->ddr+1)) ||
((!IAMMASTER(n->myimms)) && (n->dds==n->ddr))))
{
snode *sn; /* Send next */
struct ospf_lsa_header *lsa;
pkt=n->ldbdes;
op=(struct ospf_packet *)pkt;
fill_ospf_pkt_hdr(ifa, pkt, DBDES);
pkt->iface_mtu= ifa->iface->mtu;
pkt->iface_mtu=htons(ifa->iface->mtu);
pkt->options= ifa->options;
pkt->ddseq=n->dds;
sn=s_get(&(n->dbsi));
j=i=(pkt->iface_mtu-sizeof(struct ospf_dbdes_packet))/
j=i=(ifa->iface->mtu-sizeof(struct ospf_dbdes_packet))/
sizeof(struct ospf_lsa_header); /* Number of lsaheaders */
lsa=(n->ldbdes+sizeof(struct ospf_dbdes_packet));
sn=s_get(&(n->dbsi));
DBG("Number of LSA: %d\n", j);
for(;i>0;i--)
{
struct top_hash_entry *en;
en=(struct top_hash_entry *)sn;
htonlsah(&(en->lsa), lsa);
DBG("Working on: %d\n", i);
debug("\t%04x %08x %08x %p\n", en->lsa.type, en->lsa.id,
en->lsa.rt, en->lsa_body);
if(sn->next==NULL)
{
break; /* Should set some flag? */
}
sn=sn->next;
lsa++;
}
s_put(&(n->dbsi),sn);
i--;
if(sn->next==NULL)
{
DBG("Number of LSA NOT sent: %d\n", i);
DBG("M bit unset.\n");
n->myimms=(n->myimms-DBDES_M); /* Unset more bit */
}
s_put(&(n->dbsi),sn);
pkt->imms=n->myimms;
length=j*sizeof(struct ospf_lsa_header)+
length=(j-i)*sizeof(struct ospf_lsa_header)+
sizeof(struct ospf_dbdes_packet);
op->length=htons(length);
ospf_pkt_finalize(ifa, op);
sk_send_to(ifa->ip_sk,length, n->ip, OSPF_PROTO);
}
aa=ifa->ip_sk->tbuf;
bb=n->ldbdes;
op=n->ldbdes;
length=ntohs(op->length);
for(i=0; i<ifa->iface->mtu; i++)
{
*(aa+i)=*(bb+i); /* Copy last sent packet again */
*(bb+i)=*(aa+i); /* Copy last sent packet again */
}
sk_send_to(ifa->ip_sk,length, n->ip, OSPF_PROTO);
debug("%s: DB_DES sent for %u.\n", p->name, n->rid);
default: /* Ignore it */
break;
@@ -227,18 +243,21 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
if(IAMMASTER(ps->imms)!=IAMMASTER(n->myimms)) /* M/S bit differs */
{
DBG("SEQMIS-IMMS\n");
ospf_neigh_sm(n, INM_SEQMIS);
break;
}
if(INISET(ps->imms)) /* I bit is set */
{
DBG("SEQMIS-BIT-I\n");
ospf_neigh_sm(n, INM_SEQMIS);
break;
}
if(ps->options!=n->options) /* Options differs */
{
DBG("SEQMIS-OPT\n");
ospf_neigh_sm(n, INM_SEQMIS);
break;
}
@@ -247,6 +266,7 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
{
if(ps->ddseq!=n->dds)
{
DBG("SEQMIS-MASTER\n");
ospf_neigh_sm(n, INM_SEQMIS);
break;
}
@@ -255,6 +275,7 @@ ospf_dbdes_rx(struct ospf_dbdes_packet *ps, struct proto *p,
{
if(ps->ddseq!=(n->dds+1))
{
DBG("SEQMIS-SLAVE\n");
ospf_neigh_sm(n, INM_SEQMIS);
break;
}