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https://gitlab.nic.cz/labs/bird.git
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Indented. No other change.
This commit is contained in:
Ondrej Filip
parent
c76ba51a5f
commit
fb9bf6888c
@ -8,24 +8,25 @@
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#include "ospf.h"
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char *s_queue[]={ "direct", "delayed" };
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char *s_queue[] = { "direct", "delayed" };
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/*
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* =====================================
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* Note, that h is in network endianity!
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* =====================================
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*/
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void
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ospf_lsack_enqueue(struct ospf_neighbor *n,struct ospf_lsa_header *h,
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struct proto *p, int queue)
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ospf_lsack_enqueue(struct ospf_neighbor *n, struct ospf_lsa_header *h,
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struct proto *p, int queue)
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{
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struct lsah_n *no;
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no=mb_alloc(n->pool,sizeof(struct lsah_n));
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memcpy(&no->lsa,h,sizeof(struct ospf_lsa_header));
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no = mb_alloc(n->pool, sizeof(struct lsah_n));
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memcpy(&no->lsa, h, sizeof(struct ospf_lsa_header));
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add_tail(&n->ackl[queue], NODE no);
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DBG("Adding (%s) ack for %I, ID: %I, RT: %I, Type: %u\n", s_queue[queue], n->rid,
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ntohl(h->id), ntohl(h->rt),h->type);
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DBG("Adding (%s) ack for %I, ID: %I, RT: %I, Type: %u\n", s_queue[queue],
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n->rid, ntohl(h->id), ntohl(h->rt), h->type);
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}
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void
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@ -34,85 +35,76 @@ ospf_lsack_send(struct ospf_neighbor *n, int queue)
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struct ospf_packet *op;
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struct ospf_lsack_packet *pk;
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sock *sk;
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u16 len,i=0;
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u16 len, i = 0;
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struct ospf_lsa_header *h;
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struct lsah_n *no;
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struct ospf_iface *ifa=n->ifa;
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struct proto *p=&n->ifa->proto->proto;
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struct ospf_iface *ifa = n->ifa;
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struct proto *p = &n->ifa->proto->proto;
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if(EMPTY_LIST(n->ackl[queue])) return;
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if (EMPTY_LIST(n->ackl[queue]))
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return;
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OSPF_TRACE(D_PACKETS, "LS ack sent to %I (%s)", n->ip, s_queue[queue]);
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if(ifa->type==OSPF_IT_BCAST)
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{
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sk=ifa->hello_sk;
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}
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if (ifa->type == OSPF_IT_BCAST)
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sk = ifa->hello_sk;
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else
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{
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sk=ifa->ip_sk;
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}
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sk = ifa->ip_sk;
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pk=(struct ospf_lsack_packet *)sk->tbuf;
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op=(struct ospf_packet *)sk->tbuf;
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pk = (struct ospf_lsack_packet *) sk->tbuf;
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op = (struct ospf_packet *) sk->tbuf;
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fill_ospf_pkt_hdr(n->ifa, pk, LSACK_P);
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h=(struct ospf_lsa_header *)(pk+1);
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h = (struct ospf_lsa_header *) (pk + 1);
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while(!EMPTY_LIST(n->ackl[queue]))
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while (!EMPTY_LIST(n->ackl[queue]))
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{
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no=(struct lsah_n *)HEAD(n->ackl[queue]);
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memcpy(h+i,&no->lsa, sizeof(struct ospf_lsa_header));
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no = (struct lsah_n *) HEAD(n->ackl[queue]);
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memcpy(h + i, &no->lsa, sizeof(struct ospf_lsa_header));
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i++;
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DBG("Iter %u ID: %I, RT: %I, Type: %u\n",i, ntohl((h+i)->id),
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ntohl((h+i)->rt),(h+i)->type);
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DBG("Iter %u ID: %I, RT: %I, Type: %u\n", i, ntohl((h + i)->id),
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ntohl((h + i)->rt), (h + i)->type);
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rem_node(NODE no);
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mb_free(no);
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if((i*sizeof(struct ospf_lsa_header)+sizeof(struct ospf_lsack_packet)+SIPH)>
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n->ifa->iface->mtu)
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if ((i * sizeof(struct ospf_lsa_header) +
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sizeof(struct ospf_lsack_packet) + SIPH) > n->ifa->iface->mtu)
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{
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if(!EMPTY_LIST(n->ackl[queue]))
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if (!EMPTY_LIST(n->ackl[queue]))
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{
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len=sizeof(struct ospf_lsack_packet)+i*sizeof(struct ospf_lsa_header);
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op->length=htons(len);
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len =
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sizeof(struct ospf_lsack_packet) +
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i * sizeof(struct ospf_lsa_header);
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op->length = htons(len);
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ospf_pkt_finalize(n->ifa, op);
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DBG("Sending and continuing! Len=%u\n",len);
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if(ifa->type==OSPF_IT_BCAST)
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DBG("Sending and continuing! Len=%u\n", len);
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if (ifa->type == OSPF_IT_BCAST)
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{
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if((ifa->state==OSPF_IS_DR)||(ifa->state==OSPF_IS_BACKUP))
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{
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sk_send_to(sk ,len, AllSPFRouters, OSPF_PROTO);
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}
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if ((ifa->state == OSPF_IS_DR) || (ifa->state == OSPF_IS_BACKUP))
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sk_send_to(sk, len, AllSPFRouters, OSPF_PROTO);
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else
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{
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sk_send_to(sk ,len, AllDRouters, OSPF_PROTO);
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}
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sk_send_to(sk, len, AllDRouters, OSPF_PROTO);
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}
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else
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{
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if((ifa->state==OSPF_IS_DR)||(ifa->state==OSPF_IS_BACKUP))
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{
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sk_send_to_agt(sk, len, ifa, NEIGHBOR_EXCHANGE);
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}
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if ((ifa->state == OSPF_IS_DR) || (ifa->state == OSPF_IS_BACKUP))
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sk_send_to_agt(sk, len, ifa, NEIGHBOR_EXCHANGE);
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else
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{
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sk_send_to_bdr(sk, len, ifa);
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}
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sk_send_to_bdr(sk, len, ifa);
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}
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fill_ospf_pkt_hdr(n->ifa, pk, LSACK_P);
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i=0;
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i = 0;
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}
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}
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}
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len=sizeof(struct ospf_lsack_packet)+i*sizeof(struct ospf_lsa_header);
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op->length=htons(len);
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len = sizeof(struct ospf_lsack_packet) + i * sizeof(struct ospf_lsa_header);
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op->length = htons(len);
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ospf_pkt_finalize(n->ifa, op);
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DBG("Sending! Len=%u\n",len);
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if(ifa->type==OSPF_IT_BCAST)
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DBG("Sending! Len=%u\n", len);
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if (ifa->type == OSPF_IT_BCAST)
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{
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if((ifa->state==OSPF_IS_DR)||(ifa->state==OSPF_IS_BACKUP))
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if ((ifa->state == OSPF_IS_DR) || (ifa->state == OSPF_IS_BACKUP))
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{
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sk_send_to(sk, len, AllSPFRouters, OSPF_PROTO);
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}
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@ -129,68 +121,71 @@ ospf_lsack_send(struct ospf_neighbor *n, int queue)
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void
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ospf_lsack_receive(struct ospf_lsack_packet *ps, struct proto *p,
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struct ospf_iface *ifa, u16 size)
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struct ospf_iface *ifa, u16 size)
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{
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u32 nrid, myrid;
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struct ospf_neighbor *n;
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struct ospf_lsa_header lsa,*plsa;
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struct ospf_lsa_header lsa, *plsa;
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int length;
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u16 nolsa,i;
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u16 nolsa, i;
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struct top_hash_entry *en;
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u16 lenn=ntohs(ps->ospf_packet.length);
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u16 lenn = ntohs(ps->ospf_packet.length);
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nrid=ntohl(ps->ospf_packet.routerid);
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nrid = ntohl(ps->ospf_packet.routerid);
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myrid=p->cf->global->router_id;
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myrid = p->cf->global->router_id;
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if((n=find_neigh(ifa, nrid))==NULL)
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if ((n = find_neigh(ifa, nrid)) == NULL)
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{
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OSPF_TRACE(D_PACKETS, "Received LS ack from unknown neigbor! (%I)",
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nrid);
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return ;
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OSPF_TRACE(D_PACKETS, "Received LS ack from unknown neigbor! (%I)", nrid);
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return;
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}
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OSPF_TRACE(D_PACKETS, "Received LS ack from %I", n->ip);
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ospf_neigh_sm(n, INM_HELLOREC);
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if(n->state<NEIGHBOR_EXCHANGE) return;
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if (n->state < NEIGHBOR_EXCHANGE)
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return;
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nolsa=(lenn-sizeof(struct ospf_lsack_packet))/
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nolsa = (lenn - sizeof(struct ospf_lsack_packet)) /
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sizeof(struct ospf_lsa_header);
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if((nolsa<1)||((lenn-sizeof(struct ospf_lsack_packet))!=
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(nolsa*sizeof(struct ospf_lsa_header))))
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if ((nolsa < 1) || ((lenn - sizeof(struct ospf_lsack_packet)) !=
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(nolsa * sizeof(struct ospf_lsa_header))))
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{
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log("%s: Received corrupted LS ack from %I", p->name, n->ip);
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return;
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}
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plsa=(struct ospf_lsa_header *)(ps+1);
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plsa = (struct ospf_lsa_header *) (ps + 1);
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for(i=0;i<nolsa;i++)
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for (i = 0; i < nolsa; i++)
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{
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ntohlsah(plsa+i,&lsa);
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if((en=ospf_hash_find_header(n->lsrth,&lsa))==NULL) continue;
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ntohlsah(plsa + i, &lsa);
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if ((en = ospf_hash_find_header(n->lsrth, &lsa)) == NULL)
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continue;
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if(lsa_comp(&lsa,&en->lsa)!=CMP_SAME)
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if (lsa_comp(&lsa, &en->lsa) != CMP_SAME)
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{
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if((lsa.sn==LSA_MAXSEQNO)&&(lsa.age==LSA_MAXAGE)) continue;
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if ((lsa.sn == LSA_MAXSEQNO) && (lsa.age == LSA_MAXAGE))
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continue;
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OSPF_TRACE(D_PACKETS, "Strange LS acknoledgement from %I",n->ip);
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OSPF_TRACE(D_PACKETS, "Strange LS acknoledgement from %I", n->ip);
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OSPF_TRACE(D_PACKETS, "Id: %I, Rt: %I, Type: %u",
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lsa.id,lsa.rt,lsa.type);
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lsa.id, lsa.rt, lsa.type);
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OSPF_TRACE(D_PACKETS, "I have: Age: %4u, Seqno: 0x%08x, Sum: %u",
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en->lsa.age, en->lsa.sn, en->lsa.checksum);
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en->lsa.age, en->lsa.sn, en->lsa.checksum);
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OSPF_TRACE(D_PACKETS, "He has: Age: %4u, Seqno: 0x%08x, Sum: %u",
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lsa.age,lsa.sn,lsa.checksum);
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lsa.age, lsa.sn, lsa.checksum);
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continue;
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}
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DBG("Deleting LS Id: %I RT: %I Type: %u from LS Retl for neighbor %I\n",
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lsa.id,lsa.rt,lsa.type,n->rid);
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lsa.id, lsa.rt, lsa.type, n->rid);
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s_rem_node(SNODE en);
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if(en->lsa_body!=NULL) mb_free(en->lsa_body);
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en->lsa_body=NULL;
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ospf_hash_delete(n->lsrth,en);
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if (en->lsa_body != NULL)
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mb_free(en->lsa_body);
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en->lsa_body = NULL;
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ospf_hash_delete(n->lsrth, en);
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}
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}
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@ -9,14 +9,17 @@
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#ifndef _BIRD_OSPF_LSACK_H_
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#define _BIRD_OSPF_LSACK_H_
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struct lsah_n {
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struct lsah_n
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{
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node n;
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struct ospf_lsa_header lsa;
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};
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void ospf_lsack_receive(struct ospf_lsack_packet *ps, struct proto *p,
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struct ospf_iface *ifa, u16 size);
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struct ospf_iface *ifa, u16 size);
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void ospf_lsack_send(struct ospf_neighbor *n, int queue);
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void ospf_lsack_enqueue(struct ospf_neighbor *n,struct ospf_lsa_header *h,
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struct proto *p, int queue);
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void ospf_lsack_enqueue(struct ospf_neighbor *n, struct ospf_lsa_header *h,
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struct proto *p, int queue);
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#endif /* _BIRD_OSPF_LSACK_H_ */
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