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/*
* BIRD -- OSPF
*
* (c) 2000 Ondrej Filip <feela@network.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include "ospf.h"
void
ospf_lsupd_tx(struct ospf_neighbor *n)
{
/* FIXME Go on! */
}
void /* I send all I received in LSREQ */
ospf_lsupd_tx_list(struct ospf_neighbor *n, list *l)
{
struct l_lsr_head *llsh;
u16 len;
u32 lsano;
struct top_hash_entry *en;
struct ospf_lsupd_packet *pk;
struct ospf_packet *op;
void *pktpos;
if(HEAD(*l)==NULL) return;
pk=(struct ospf_lsupd_packet *)n->ifa->ip_sk->tbuf;
op=(struct ospf_packet *)n->ifa->ip_sk->tbuf;
fill_ospf_pkt_hdr(n->ifa, pk, LSUPD);
len=SIPH+sizeof(struct ospf_lsupd_packet);
lsano=0;
pktpos=(pk+1);
WALK_LIST(llsh, *l)
{
en=ospf_hash_find(n->ifa->oa->gr,llsh->lsh.id,llsh->lsh.rt,llsh->lsh.type);
if((len+sizeof(struct ospf_lsa_header)+en->body_len)>n->ifa->iface->mtu)
{
pk->lsano=htonl(lsano);
op->length=htons(len);
ospf_pkt_finalize(n->ifa, op);
sk_send_to(n->ifa->ip_sk,len, n->ip, OSPF_PROTO);
fill_ospf_pkt_hdr(n->ifa, pk, LSUPD);
len=SIPH+sizeof(struct ospf_lsupd_packet);
lsano=0;
pktpos=(pk+1);
}
htonlsah(&(en->lsa), pktpos);
pktpos=pktpos+sizeof(struct ospf_lsa_header);
htonlsab(en->lsa_body, pktpos, en->lsa.type, en->lsa.length);
pktpos=pktpos+en->body_len;
len=len+en->body_len+sizeof(struct ospf_lsa_header);
}
pk->lsano=htonl(lsano);
op->length=htons(len);
ospf_pkt_finalize(n->ifa, op);
sk_send_to(n->ifa->ip_sk,len, n->ip, OSPF_PROTO);
}
void
ospf_lsupd_rx(struct ospf_lsupd_packet *ps, struct proto *p,
struct ospf_iface *ifa, u16 size)
{
u32 nrid, myrid;
struct ospf_neighbor *n;
struct ospf_lsreq_header *lsh;
int length;
u8 i;
nrid=ntohl(ps->ospf_packet.routerid);
myrid=p->cf->global->router_id;
if((n=find_neigh(ifa, nrid))==NULL)
{
debug("%s: Received lsupd from unknown neigbor! (%u)\n", p->name,
nrid);
return ;
}
/* FIXME Go on! */
}
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