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lsreq.c indented and small 'struct proto' changes.

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This commit is contained in:
Ondrej Filip 2004-06-04 17:28:41 +00:00
parent 77539c4471
commit 27f49a2c3c
5 changed files with 69 additions and 66 deletions
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109
proto/ospf/lsreq.c
View File

@ -1,7 +1,7 @@
/*
* BIRD -- OSPF
*
* (c) 2000 Ondrej Filip <feela@network.cz>
* (c) 2000--2004 Ondrej Filip <feela@network.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
@ -9,7 +9,7 @@
#include "ospf.h"
void
ospf_lsreq_tx(struct ospf_neighbor *n)
ospf_lsreq_send(struct ospf_neighbor *n)
{
snode *sn;
struct top_hash_entry *en;
@ -17,97 +17,101 @@ ospf_lsreq_tx(struct ospf_neighbor *n)
struct ospf_packet *op;
struct ospf_lsreq_header *lsh;
u16 length;
int i,j;
struct proto *p=&n->ifa->proto->proto;
int i, j;
struct proto *p = &n->ifa->proto->proto;
pk=(struct ospf_lsreq_packet *)n->ifa->ip_sk->tbuf;
op=(struct ospf_packet *)n->ifa->ip_sk->tbuf;
pk = (struct ospf_lsreq_packet *) n->ifa->ip_sk->tbuf;
op = (struct ospf_packet *) n->ifa->ip_sk->tbuf;
fill_ospf_pkt_hdr(n->ifa, pk, LSREQ_P);
sn=SHEAD(n->lsrql);
if(EMPTY_SLIST(n->lsrql))
sn = SHEAD(n->lsrql);
if (EMPTY_SLIST(n->lsrql))
{
if(n->state==NEIGHBOR_LOADING) ospf_neigh_sm(n, INM_LOADDONE);
if (n->state == NEIGHBOR_LOADING)
ospf_neigh_sm(n, INM_LOADDONE);
return;
}
i=j=(n->ifa->iface->mtu-SIPH-sizeof(struct ospf_lsreq_packet))/
i = j = (n->ifa->iface->mtu - SIPH - sizeof(struct ospf_lsreq_packet)) /
sizeof(struct ospf_lsreq_header);
lsh=(struct ospf_lsreq_header *)(pk+1);
lsh = (struct ospf_lsreq_header *) (pk + 1);
for(;i>0;i--)
for (; i > 0; i--)
{
en=(struct top_hash_entry *)sn;
lsh->padd1=0; lsh->padd2=0;
lsh->type=en->lsa.type;
lsh->rt=htonl(en->lsa.rt);
lsh->id=htonl(en->lsa.id);
DBG("Requesting %uth LSA: Type: %u, Id: %I, RT: %I\n",i, en->lsa.type,
en->lsa.id, en->lsa.rt);
en = (struct top_hash_entry *) sn;
lsh->padd1 = 0;
lsh->padd2 = 0;
lsh->type = en->lsa.type;
lsh->rt = htonl(en->lsa.rt);
lsh->id = htonl(en->lsa.id);
DBG("Requesting %uth LSA: Type: %u, Id: %I, RT: %I\n", i, en->lsa.type,
en->lsa.id, en->lsa.rt);
lsh++;
if(sn==STAIL(n->lsrql)) break;
sn=sn->next;
if (sn == STAIL(n->lsrql))
break;
sn = sn->next;
}
if(i!=0) i--;
if (i != 0)
i--;
length=sizeof(struct ospf_lsreq_packet)+(j-i)*sizeof(struct ospf_lsreq_header);
op->length=htons(length);
length =
sizeof(struct ospf_lsreq_packet) + (j -
i) * sizeof(struct ospf_lsreq_header);
op->length = htons(length);
ospf_pkt_finalize(n->ifa, op);
sk_send_to(n->ifa->ip_sk,length, n->ip, OSPF_PROTO);
sk_send_to(n->ifa->ip_sk, length, n->ip, OSPF_PROTO);
OSPF_TRACE(D_PACKETS, "LS request sent to: %I", n->rid);
}
void
ospf_lsreq_rx(struct ospf_lsreq_packet *ps, struct proto *p,
struct ospf_iface *ifa, u16 size)
ospf_lsreq_receive(struct ospf_lsreq_packet *ps,
struct ospf_iface *ifa, u16 size)
{
u32 nrid, myrid;
u32 nrid;
struct ospf_neighbor *n;
struct ospf_lsreq_header *lsh;
struct l_lsr_head *llsh;
list uplist;
slab *upslab;
int length;
int i,lsano;
int length, i, lsano;
struct proto *p = (struct proto *) ifa->proto;
nrid=ntohl(ps->ospf_packet.routerid);
nrid = ntohl(ps->ospf_packet.routerid);
myrid=p->cf->global->router_id;
if((n=find_neigh(ifa, nrid))==NULL)
if ((n = find_neigh(ifa, nrid)) == NULL)
{
OSPF_TRACE(D_PACKETS, "Received lsreq from unknown neighbor! (%I)",
nrid);
return ;
OSPF_TRACE(D_PACKETS, "Received lsreq from unknown neighbor! (%I)", nrid);
return;
}
if(n->state<NEIGHBOR_EXCHANGE) return;
if (n->state < NEIGHBOR_EXCHANGE)
return;
OSPF_TRACE(D_EVENTS, "Received LS req from neighbor: %I", n->ip);
ospf_neigh_sm(n, INM_HELLOREC);
length=ntohs(ps->ospf_packet.length);
lsh=(void *)(ps+1);
length = ntohs(ps->ospf_packet.length);
lsh = (void *) (ps + 1);
init_list(&uplist);
upslab=sl_new(n->pool,sizeof(struct l_lsr_head));
upslab = sl_new(n->pool, sizeof(struct l_lsr_head));
lsano=(length-sizeof(struct ospf_lsreq_packet))/
lsano = (length - sizeof(struct ospf_lsreq_packet)) /
sizeof(struct ospf_lsreq_header);
for(i=0;i<lsano;lsh++,i++)
for (i = 0; i < lsano; lsh++, i++)
{
DBG("Processing LSA: ID=%I, Type=%u, Router=%I\n", ntohl(lsh->id),
lsh->type, ntohl(lsh->rt));
llsh=sl_alloc(upslab);
llsh->lsh.id=ntohl(lsh->id);
llsh->lsh.rt=ntohl(lsh->rt);
llsh->lsh.type=lsh->type;
lsh->type, ntohl(lsh->rt));
llsh = sl_alloc(upslab);
llsh->lsh.id = ntohl(lsh->id);
llsh->lsh.rt = ntohl(lsh->rt);
llsh->lsh.type = lsh->type;
add_tail(&uplist, NODE llsh);
if(ospf_hash_find(n->ifa->oa->gr, llsh->lsh.id, llsh->lsh.rt,
llsh->lsh.type)==NULL)
if (ospf_hash_find(n->ifa->oa->gr, llsh->lsh.id, llsh->lsh.rt,
llsh->lsh.type) == NULL)
{
log("Received bad LS req from: %I looking: RT: %I, ID: %I, Type: %u",
n->ip, lsh->rt, lsh->id, lsh->type);
ospf_neigh_sm(n,INM_BADLSREQ);
n->ip, lsh->rt, lsh->id, lsh->type);
ospf_neigh_sm(n, INM_BADLSREQ);
rfree(upslab);
return;
}
@ -115,4 +119,3 @@ ospf_lsreq_rx(struct ospf_lsreq_packet *ps, struct proto *p,
ospf_lsupd_tx_list(n, &uplist);
rfree(upslab);
}

8
proto/ospf/lsreq.h
View File

@ -1,7 +1,7 @@
/*
* BIRD -- OSPF
*
* (c) 2000 Ondrej Filip <feela@network.cz>
* (c) 2000--2004 Ondrej Filip <feela@network.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*
@ -10,8 +10,8 @@
#ifndef _BIRD_OSPF_LSREQ_H_
#define _BIRD_OSPF_LSREQ_H_
void ospf_lsreq_tx(struct ospf_neighbor *n);
void ospf_lsreq_rx(struct ospf_lsreq_packet *ps, struct proto *p,
struct ospf_iface *ifa, u16 size);
void ospf_lsreq_send(struct ospf_neighbor *n);
void ospf_lsreq_receive(struct ospf_lsreq_packet *ps,
struct ospf_iface *ifa, u16 size);
#endif /* _BIRD_OSPF_LSREQ_H_ */

2
proto/ospf/lsupd.c
View File

@ -522,7 +522,7 @@ ospf_lsupd_rx(struct ospf_lsupd_packet *ps, struct proto *p,
if(n->state==NEIGHBOR_LOADING)
{
ospf_lsreq_tx(n); /* Send me another part of database */
ospf_lsreq_send(n); /* Send me another part of database */
}
}

2
proto/ospf/neighbor.c
View File

@ -579,7 +579,7 @@ rxmt_timer_hook(timer *timer)
p->name, ifa->iface->name, n->ip);
if (n->state < NEIGHBOR_LOADING) ospf_dbdes_tx(n);
if(n->state < NEIGHBOR_FULL) ospf_lsreq_tx(n);
if(n->state < NEIGHBOR_FULL) ospf_lsreq_send(n);
else
{
if(!EMPTY_SLIST(n->lsrtl))

2
proto/ospf/packet.c
View File

@ -184,7 +184,7 @@ ospf_rx_hook (sock * sk, int size)
break;
case LSREQ_P:
DBG ("%s: Link state request received.\n", p->name);
ospf_lsreq_rx ((struct ospf_lsreq_packet *) ps, p, ifa, size);
ospf_lsreq_receive((struct ospf_lsreq_packet *) ps, ifa, size);
break;
case LSUPD_P:
DBG ("%s: Link state update received.\n", p->name);