1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <stdio.h>
#include <arpa/inet.h>
#include "libpacketdump.h"
DLLEXPORT void decode(int link_type UNUSED,const char *packet,unsigned len) {
unsigned char *link_ptr = NULL;
libtrace_ospf_link_v2_t *link;
uint32_t link_len;
libtrace_ospf_router_lsa_v2_t *hdr;
int i = 0;
hdr = (libtrace_ospf_router_lsa_v2_t *)packet;
if (len < 4)
return;
printf(" OSPF Router LSA: Links %u ", ntohs(hdr->num_links));
if (hdr->v)
printf("V ");
if (hdr->e)
printf("E ");
if (hdr->b)
printf("B ");
printf("\n");
link_ptr = trace_get_first_ospf_link_from_router_lsa_v2(hdr, &len);
if (!link_ptr || len == 0)
return;
while (trace_get_next_ospf_link_v2(&link_ptr, &link, &len, &link_len) > 0) {
printf(" OSPF Router Link: Id %s ", inet_ntoa(link->link_id));
printf("Data %s\n", inet_ntoa(link->link_data));
printf(" OSPF Router Link: Type %u TOS %u Metric %u\n",
link->type, link->num_tos,
ntohs(link->tos_metric));
i++;
if (i == ntohs(hdr->num_links))
break;
}
}
|
