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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/*
* Ouroboros - Copyright (C) 2016 - 2018
*
* CBR traffic generator
*
* Dimitri Staessens <dimitri.staessens@ugent.be>
* Sander Vrijders <sander.vrijders@ugent.be>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define _POSIX_C_SOURCE 199506L
#define __XSI_VISIBLE 500
#include <stdio.h>
#include <string.h>
#include <sys/time.h>
#include <limits.h>
#include <time.h>
#include <stdbool.h>
#define BUF_SIZE 524288L
#include "ocbr_client.c"
struct s {
long interval;
long timeout;
} server_settings;
#include "ocbr_server.c"
static void usage(void)
{
printf("Usage: cbr [OPTION]...\n"
"Sends packets from client to server at a constant bit rate.\n\n"
" -l, --listen Run in server mode\n"
"\n"
"Server options:\n"
" -i, --interval Server report interval (s)\n"
" -t, --timeout Server timeout interval (s)\n"
"\n"
"Client options:\n"
" -n, --server_apn Specify the name of the server.\n"
" -d, --duration Duration for sending (s)\n"
" -f, --flood Send packets as fast as possible\n"
" -s, --size packet size (B, max %ld B)\n"
" -r, --rate Rate (b/s)\n"
" --sleep Sleep in between sending packets\n"
"\n\n"
" --help Display this help text and exit\n",
BUF_SIZE);
}
int main(int argc, char ** argv)
{
int duration = 60; /* One minute test */
int size = 1000; /* 1000 byte packets */
long rate = 1000000; /* 1 Mb/s */
bool flood = false;
bool sleep = false;
int ret = 0;
char * rem = NULL;
char * s_apn = NULL;
bool server = false;
server_settings.interval = 1; /* One second reporting interval */
server_settings.timeout = 1;
argc--;
argv++;
while (argc > 0) {
if (strcmp(*argv, "-i") == 0 ||
strcmp(*argv, "--interval") == 0) {
server_settings.interval = strtol(*(++argv), &rem, 10);
--argc;
} else if (strcmp(*argv, "-t") == 0 ||
strcmp(*argv, "--timeout") == 0) {
server_settings.timeout = strtol(*(++argv), &rem, 10);
--argc;
} else if (strcmp(*argv, "-n") == 0 ||
strcmp(*argv, "--server_apn") == 0) {
s_apn = *(++argv);
--argc;
} else if (strcmp(*argv, "-d") == 0 ||
strcmp(*argv, "--duration") == 0) {
duration = strtol(*(++argv), &rem, 10);
--argc;
} else if (strcmp(*argv, "-s") == 0 ||
strcmp(*argv, "--size") == 0) {
size = strtol(*(++argv), &rem, 10);
--argc;
} else if (strcmp(*argv, "-r") == 0 ||
strcmp(*argv, "--rate") == 0) {
rate = strtol(*(++argv), &rem, 10);
if (*rem == 'k')
rate *= 1000;
if (*rem == 'M')
rate *= MILLION;
if (*rem == 'G')
rate *= BILLION;
--argc;
} else if (strcmp(*argv, "-l") == 0 ||
strcmp(*argv, "--listen") == 0) {
server = true;
} else if (strcmp(*argv, "-f") == 0 ||
strcmp(*argv, "--flood") == 0) {
flood = true;
} else if (strcmp(*argv, "--sleep") == 0) {
sleep = true;
} else {
usage();
return 0;
}
argc--;
argv++;
}
if (server) {
ret = server_main();
} else {
if (s_apn == NULL) {
printf("No server specified.\n");
usage();
return 0;
}
if (size > BUF_SIZE) {
printf("Maximum size: %ld.\n", BUF_SIZE);
return 0;
}
if (size < 0) {
printf("Size overflow.\n");
return 0;
}
ret = client_main(s_apn, duration, size, rate, flood, sleep);
}
return ret;
}
|