source: test/test-decode.c @ 38f9537

4.0.1-hotfixescachetimestampsdevelopdpdk-ndagetsilivegetfragoffhelplibtrace4ndag_formatpfringrc-4.0.1rc-4.0.2rc-4.0.3rc-4.0.4ringdecrementfixringperformanceringtimestampfixes
Last change on this file since 38f9537 was 38f9537, checked in by Perry Lorier <perry@…>, 14 years ago

libtrace will report packets that aren't the first fragment as not having
a UDP header (fair enough), update the bpf filters to agree with these
semantics

  • Property mode set to 100644
File size: 4.7 KB
Line 
1/*
2 * This file is part of libtrace
3 *
4 * Copyright (c) 2007 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: test-rtclient.c,v 1.2 2006/02/27 03:41:12 perry Exp $
28 *
29 */
30#ifndef WIN32
31#  include <sys/time.h>
32#  include <netinet/in.h>
33#  include <netinet/in_systm.h>
34#  include <netinet/tcp.h>
35#  include <netinet/ip.h>
36#  include <netinet/ip_icmp.h>
37#  include <arpa/inet.h>
38#  include <sys/socket.h>
39#endif
40#include <stdio.h>
41#include <stdlib.h>
42#include <assert.h>
43#include <string.h>
44#include <sys/types.h>
45#include <time.h>
46#include <string.h>
47
48#include "dagformat.h"
49#include "libtrace.h"
50#include "libpacketdump.h"
51
52void iferr(libtrace_t *trace)
53{
54        libtrace_err_t err = trace_get_err(trace);
55        if (err.err_num==0)
56                return;
57        printf("Error: %s\n",err.problem);
58        exit(1);
59}
60
61const char *lookup_uri(const char *type) {
62        if (strchr(type,':'))
63                return type;
64        if (!strcmp(type,"erf"))
65                return "erf:traces/100_packets.erf";
66        if (!strcmp(type,"pcap"))
67                return "pcap:traces/100_packets.pcap";
68        if (!strcmp(type,"wtf"))
69                return "wtf:traces/wed.wtf";
70        if (!strcmp(type,"rtclient"))
71                return "rtclient:chasm";
72        if (!strcmp(type,"pcapfile"))
73                return "pcapfile:traces/100_packets.pcap";
74        if (!strcmp(type, "duck"))
75                return "duck:traces/100_packets.duck";
76        if (!strcmp(type, "legacyatm"))
77                return "legacyatm:traces/legacyatm.gz";
78        if (!strcmp(type, "legacypos"))
79                return "legacypos:traces/legacypos.gz";
80        if (!strcmp(type, "legacyeth"))
81                return "legacyeth:traces/legacyeth.gz";
82        return "unknown";
83}
84
85int main(int argc, char *argv[]) {
86        int psize = 0;
87        int error = 0;
88        int count = 0;
89        int level = 0;
90        int expected = 100;
91        libtrace_t *trace;
92        libtrace_packet_t *packet;
93        libtrace_filter_t *filter_tcp = trace_create_filter("tcp");
94        libtrace_filter_t *filter_udp = 
95                trace_create_filter("udp and ip[6:2] & 0x1fff = 0");
96        libtrace_filter_t *filter_icmp = trace_create_filter("icmp");
97
98        if (argc<2) {
99                fprintf(stderr,"usage: %s type\n",argv[0]);
100                return 1;
101        }
102
103        trace = trace_create(lookup_uri(argv[1]));
104        iferr(trace);
105
106        if (strcmp(argv[1],"rtclient")==0) expected=101;
107       
108        level=0;
109
110        trace_start(trace);
111        iferr(trace);
112       
113        packet=trace_create_packet();
114        for (;;) {
115                if ((psize = trace_read_packet(trace, packet)) <0) {
116                        error = 1;
117                        iferr(trace);
118                        break;
119                }
120                if (psize == 0) {
121                        error = 0;
122                        break;
123                }
124
125                if ((trace_get_tcp(packet)!=NULL) ^ (trace_apply_filter(filter_tcp,packet)>0)) {
126                        error=1;
127                        printf("tcp problem\n");
128                        if (trace_get_tcp(packet)) {
129                                printf(" libtrace thinks this is a tcp packet\n");
130                        }
131                        else {
132                                printf(" libtrace doesn't think this is a tcp packet\n");
133                        }
134                        if (trace_apply_filter(filter_tcp,packet)) {
135                                printf(" bpf thinks this is a tcp packet\n");
136                        }
137                        else {
138                                printf(" bpf doesn't think this is a tcp packet\n");
139                        }
140                        trace_dump_packet(packet);
141                        break;
142                }
143                if ((trace_get_udp(packet)!=NULL) ^ (trace_apply_filter(filter_udp,packet)>0)) {
144                        error=1;
145                        printf("udp problem\n");
146                        if (trace_get_udp(packet)) {
147                                printf(" libtrace thinks this is a udp packet\n");
148                        }
149                        else {
150                                printf(" libtrace doesn't think this is a udp packet\n");
151                        }
152                        if (trace_apply_filter(filter_udp,packet)) {
153                                printf(" bpf thinks this is a udp packet\n");
154                        }
155                        else {
156                                printf(" bpf doesn't think this is a udp packet\n");
157                        }
158                        trace_dump_packet(packet);
159                        break;
160                }
161                if ((trace_get_icmp(packet)!=NULL) ^ (trace_apply_filter(filter_icmp,packet)>0)) {
162                        error=1;
163                        printf("icmp problem\n");
164                        trace_dump_packet(packet);
165                        break;
166                }
167                count ++;
168                if (count>100)
169                        break;
170        }
171        trace_destroy_packet(packet);
172        if (error == 0) {
173                if (count == expected) {
174                        printf("success: %d packets read\n",expected);
175                } else {
176                        printf("failure: %d packets expected, %d seen\n",expected,count);
177                        error = 1;
178                }
179        } else {
180                iferr(trace);
181        }
182        trace_destroy(trace);
183        return error;
184}
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