source: libpacketdump/ospf2_1001.c @ e78e408

cachetimestampsdevelopdpdk-ndagetsiliverc-4.0.2rc-4.0.3rc-4.0.4ringdecrementfixringperformance
Last change on this file since e78e408 was 1de522d, checked in by Shane Alcock <salcock@…>, 3 years ago

Fix maybe uninitialised warnings in OSPF libpacketdump decoders.

  • Property mode set to 100644
File size: 2.1 KB
Line 
1/*
2 *
3 * Copyright (c) 2007-2016 The University of Waikato, Hamilton, New Zealand.
4 * All rights reserved.
5 *
6 * This file is part of libtrace.
7 *
8 * This code has been developed by the University of Waikato WAND
9 * research group. For further information please see http://www.wand.net.nz/
10 *
11 * libtrace is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU Lesser General Public License as published by
13 * the Free Software Foundation; either version 3 of the License, or
14 * (at your option) any later version.
15 *
16 * libtrace is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19 * GNU Lesser General Public License for more details.
20 *
21 * You should have received a copy of the GNU Lesser General Public License
22 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
23 *
24 *
25 */
26#include <sys/types.h>
27#include <sys/socket.h>
28#include <netinet/in.h>
29#include <stdio.h>
30#include <arpa/inet.h>
31#include "libpacketdump.h"
32
33DLLEXPORT void decode(int link_type UNUSED,const char *packet,unsigned len) {
34        unsigned char *link_ptr = NULL;
35        libtrace_ospf_link_v2_t *link = NULL;
36        uint32_t link_len;
37        libtrace_ospf_router_lsa_v2_t *hdr;
38
39        int i = 0;
40
41        hdr = (libtrace_ospf_router_lsa_v2_t *)packet;
42
43        if (len < 4)
44                return;
45       
46        printf(" OSPF Router LSA: Links %u ", ntohs(hdr->num_links));
47        if (hdr->v)
48                printf("V ");
49        if (hdr->e) 
50                printf("E ");
51        if (hdr->b)
52                printf("B ");
53        printf("\n");
54
55        link_ptr = trace_get_first_ospf_link_from_router_lsa_v2(hdr, &len);
56
57        if (!link_ptr || len == 0)
58                return;
59        while (trace_get_next_ospf_link_v2(&link_ptr, &link, &len, &link_len) > 0) {
60                if (!link) {
61                        break;
62                }
63                printf(" OSPF Router Link: Id %s ", inet_ntoa(link->link_id));
64                printf("Data %s\n", inet_ntoa(link->link_data));
65                printf(" OSPF Router Link: Type %u TOS %u Metric %u\n",
66                                link->type, link->num_tos,
67                                ntohs(link->tos_metric));
68                i++;
69                if (i == ntohs(hdr->num_links))
70                        break;
71        }
72}
73
74       
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