source: examples/protocol/protocol.c @ c561c76

4.0.1-hotfixescachetimestampsdevelopdpdk-ndagetsilivegetfragoffhelplibtrace4ndag_formatpfringrc-4.0.1rc-4.0.2rc-4.0.3rc-4.0.4ringdecrementfixringperformanceringtimestampfixes
Last change on this file since c561c76 was c561c76, checked in by Daniel Lawson <dlawson@…>, 17 years ago

.

  • Property mode set to 100644
File size: 2.3 KB
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1/*
2 * This file is part of libtrace
3 *
4 * Copyright (c) 2004 The University of Waikato, Hamilton, New Zealand.
5 * Authors: Daniel Lawson
6 *          Perry Lorier
7 *         
8 * All rights reserved.
9 *
10 * This code has been developed by the University of Waikato WAND
11 * research group. For further information please see http://www.wand.net.nz/
12 *
13 * libtrace is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or
16 * (at your option) any later version.
17 *
18 * libtrace is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21 * GNU General Public License for more details.
22 *
23 * You should have received a copy of the GNU General Public License
24 * along with libtrace; if not, write to the Free Software
25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
26 *
27 * $Id$
28 *
29 */
30
31#include <stdio.h> /* printf */
32#include <netinet/in.h> /* ntohs */
33#include <netdb.h>
34#include "dagformat.h"
35
36#include "libtrace.h"
37
38struct libtrace_t *trace;
39struct libtrace_filter_t *filter;
40
41char *buffer[4096];
42
43int main(int argc, char *argv[]) {
44
45        char *hostname = "rtclient:chasm.cs.waikato.ac.nz";
46        char *filterstring = 0;
47        struct libtrace_ip *ipptr = 0;
48       
49        int status; // need to pass to rtclient_read_packet
50        int psize;
51        if (argc == 2) {
52                hostname = argv[1];
53        }
54        if (argc == 3) {
55                hostname = argv[1];
56                filterstring = argv[2];
57        }
58
59        // create an rtclient to hostname, on the default port
60        trace = create_trace(hostname);
61        if (filterstring) {
62                filter = libtrace_bpf_setfilter(filterstring);
63        }
64
65        for (;;) {
66                if ((psize = libtrace_read_packet(trace, buffer,4096, &status)) <= 0) {
67                        // terminate
68                        break;
69                }
70                if (filter) {
71                        if (!libtrace_bpf_filter(trace, filter, buffer, 4096)) {
72                        continue;
73                        }
74                }
75                ipptr = get_ip(trace,buffer,4096);
76                if (ipptr) {
77                        printf("%d:%d\n",ipptr->ip_p,get_link_type(trace,buffer,4096));
78                }
79        }
80        destroy_trace(trace);
81        return 0;
82}
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