Exemple #1
0
static void
lsa_update_callback (struct in_addr ifaddr, struct in_addr area_id,
		     u_char is_self_originated,
		     struct lsa_header *lsa)
{
  printf ("lsa_update_callback: ");
  printf ("ifaddr: %s ", inet_ntoa (ifaddr));
  printf ("area: %s\n", inet_ntoa (area_id));
  printf ("is_self_origin: %u\n", is_self_originated);

  /* It is important to note that lsa_header does indeed include the
     header and the LSA payload. To access the payload, first check
     the LSA type and then typecast lsa into the corresponding type,
     e.g.:
     
     if (lsa->type == OSPF_ROUTER_LSA) {
       struct router_lsa *rl = (struct router_lsa) lsa;
       ...
       u_int16_t links = rl->links;
       ...
    }
  */
       
  ospf_lsa_header_dump (lsa);
}
Exemple #2
0
static void
lsa_delete_callback (struct in_addr ifaddr, struct in_addr area_id,
		     u_char is_self_originated,
		     struct lsa_header *lsa)
{
  printf ("lsa_delete_callback: ");
  printf ("ifaddr: %s ", inet_ntoa (ifaddr));
  printf ("area: %s\n", inet_ntoa (area_id));
  printf ("is_self_origin: %u\n", is_self_originated);

  ospf_lsa_header_dump (lsa);
}
Exemple #3
0
static void ospf_lsa_header_list_dump(struct stream *s, uint16_t length)
{
	struct lsa_header *lsa;

	zlog_debug("  # LSA Headers %d", length / OSPF_LSA_HEADER_SIZE);

	/* LSA Headers. */
	while (length > 0) {
		lsa = (struct lsa_header *)stream_pnt(s);
		ospf_lsa_header_dump(lsa);

		stream_forward_getp(s, OSPF_LSA_HEADER_SIZE);
		length -= OSPF_LSA_HEADER_SIZE;
	}
}
Exemple #4
0
static void ospf_packet_ls_upd_dump(struct stream *s, uint16_t length)
{
	uint32_t sp;
	struct lsa_header *lsa;
	int lsa_len;
	uint32_t count;

	length -= OSPF_HEADER_SIZE;

	sp = stream_get_getp(s);

	count = stream_getl(s);
	length -= 4;

	zlog_debug("Link State Update");
	zlog_debug("  # LSAs %d", count);

	while (length > 0 && count > 0) {
		if (length < OSPF_HEADER_SIZE || length % 4 != 0) {
			zlog_debug("  Remaining %d bytes; Incorrect length.",
				   length);
			break;
		}

		lsa = (struct lsa_header *)stream_pnt(s);
		lsa_len = ntohs(lsa->length);
		ospf_lsa_header_dump(lsa);

		switch (lsa->type) {
		case OSPF_ROUTER_LSA:
			ospf_router_lsa_dump(s, length);
			break;
		case OSPF_NETWORK_LSA:
			ospf_network_lsa_dump(s, length);
			break;
		case OSPF_SUMMARY_LSA:
		case OSPF_ASBR_SUMMARY_LSA:
			ospf_summary_lsa_dump(s, length);
			break;
		case OSPF_AS_EXTERNAL_LSA:
			ospf_as_external_lsa_dump(s, length);
			break;
		case OSPF_AS_NSSA_LSA:
			ospf_as_external_lsa_dump(s, length);
			break;
		case OSPF_OPAQUE_LINK_LSA:
		case OSPF_OPAQUE_AREA_LSA:
		case OSPF_OPAQUE_AS_LSA:
			ospf_opaque_lsa_dump(s, length);
			break;
		default:
			break;
		}

		stream_forward_getp(s, lsa_len);
		length -= lsa_len;
		count--;
	}

	stream_set_getp(s, sp);
}