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Better OSPF packet tracing log messages.

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Replaces old OSPF packet tracing messages with
uniform messages with packet dumps.
This commit is contained in:
Ondrej Zajicek
2009-04-06 16:17:47 +02:00
parent bcb81251b4
commit 8298d780be
7 changed files with 145 additions and 27 deletions
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58
proto/ospf/lsupd.c
View File

@@ -8,6 +8,49 @@
#include "ospf.h"
void ospf_dump_lsahdr(struct proto *p, struct ospf_lsa_header *lsa_n)
{
struct ospf_lsa_header lsa;
ntohlsah(lsa_n, &lsa);
log(L_TRACE "%s: LSA Id: %I, Rt: %I, Type: %u, Age: %u, Seqno: 0x%08x, Sum: %u",
p->name, lsa.id, lsa.rt, lsa.type, lsa.age, lsa.sn, lsa.checksum);
}
void ospf_dump_common(struct proto *p, struct ospf_packet *op)
{
log(L_TRACE "%s: length %d", p->name, ntohs(op->length));
log(L_TRACE "%s: router %I", p->name, _MI(ntohl(op->routerid)));
}
static void ospf_dump_lsupd(struct proto *p, struct ospf_lsupd_packet *pkt)
{
struct ospf_packet *op = &pkt->ospf_packet;
ASSERT(op->type == LSUPD_P);
ospf_dump_common(p, op);
u8 *pbuf= (u8 *) pkt;
int offset = sizeof(struct ospf_lsupd_packet);
int bound = ntohs(op->length) - sizeof(struct ospf_lsa_header);
int i, j;
j = ntohl(pkt->lsano);
for (i = 0; i < j; i++)
{
if (offset > bound)
{
log(L_TRACE "%s: LSA invalid", p->name);
return;
}
struct ospf_lsa_header *lsa = (void *) (pbuf + offset);
ospf_dump_lsahdr(p, lsa);
offset += ntohs(lsa->length);
}
}
/**
* ospf_lsupd_flood - send received or generated lsa to the neighbors
* @n: neighbor than sent this lsa (or NULL if generated)
@@ -187,9 +230,9 @@ ospf_lsupd_flood(struct ospf_neighbor *n, struct ospf_lsa_header *hn,
lh->age = htons(age);
op->length = htons(len);
OSPF_TRACE(D_PACKETS, "LS upd flooded via %s", ifa->iface->name);
DBG("ID=%I, AGE=%d, SEQ=%x\n", ntohl(lh->id), ntohs(lh->age),
ntohl(lh->sn));
OSPF_PACKET(ospf_dump_lsupd, (struct ospf_lsupd_packet *) sk->tbuf,
"LSUPD packet flooded via %s", ifa->iface->name);
switch (ifa->type)
{
@@ -257,8 +300,9 @@ ospf_lsupd_send_list(struct ospf_neighbor *n, list * l)
pk->lsano = htonl(lsano);
op->length = htons(len);
OSPF_PACKET(ospf_dump_lsupd, (struct ospf_lsupd_packet *) n->ifa->ip_sk->tbuf,
"LSUPD packet sent to %I via %s", n->ip, n->ifa->iface->name);
ospf_send_to(n->ifa->ip_sk, n->ip, n->ifa);
OSPF_TRACE(D_PACKETS, "LS upd sent to %I (%d LSAs)", n->ip, lsano);
DBG("LSupd: next packet\n");
ospf_pkt_fill_hdr(n->ifa, pk, LSUPD_P);
@@ -279,7 +323,8 @@ ospf_lsupd_send_list(struct ospf_neighbor *n, list * l)
pk->lsano = htonl(lsano);
op->length = htons(len);
OSPF_TRACE(D_PACKETS, "LS upd sent to %I (%d LSAs)", n->ip, lsano);
OSPF_PACKET(ospf_dump_lsupd, (struct ospf_lsupd_packet *) n->ifa->ip_sk->tbuf,
"LSUPD packet sent to %I via %s", n->ip, n->ifa->iface->name);
ospf_send_to(n->ifa->ip_sk, n->ip, n->ifa);
}
}
@@ -296,6 +341,8 @@ ospf_lsupd_receive(struct ospf_lsupd_packet *ps,
struct proto *p = &po->proto;
unsigned int i, sendreq = 1, size = ntohs(ps->ospf_packet.length);
OSPF_PACKET(ospf_dump_lsupd, ps, "LSUPD packet received from %I via %s", n->ip, ifa->iface->name);
if (n->state < NEIGHBOR_EXCHANGE)
{
OSPF_TRACE(D_PACKETS,
@@ -311,7 +358,6 @@ ospf_lsupd_receive(struct ospf_lsupd_packet *ps,
return;
}
OSPF_TRACE(D_PACKETS, "Received LS upd from %I", n->ip);
ospf_neigh_sm(n, INM_HELLOREC); /* Questionable */
lsa = (struct ospf_lsa_header *) (ps + 1);