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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
/*
Copyright (c) 2016 Edouard M. Griffiths. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* 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.
* Neither the name of CM256 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.
*/
#include <iostream>
#include <string>
#include <atomic>
#include <csignal>
#include <cstring>
#include <cstdlib>
#include <cstdio>
#include <unistd.h>
#include <getopt.h>
#include "mainutils.h"
#include "example0.h"
#include "example1.h"
/** Flag is set on SIGINT / SIGTERM. */
static std::atomic_bool stop_flag(false);
/** Handle Ctrl-C and SIGTERM. */
static void handle_sigterm(int sig)
{
stop_flag.store(true);
std::string msg = "\nGot signal ";
msg += strsignal(sig);
msg += ", stopping ...\n";
const char *s = msg.c_str();
ssize_t r = write(STDERR_FILENO, s, strlen(s));
if (r != (ssize_t) strlen(s)) {
msg += " write incomplete";
}
}
static void usage()
{
fprintf(stderr,
"Usage: cm256_tx [options]\n"
"\n"
" -x list Comma separated list of block index to remove from transmission\n"
" this is to simulate data loss\n"
" -c case Test case index\n"
" - 0: file test:\n"
" -f file test file\n"
" -r ref_file reference file\n"
" - 1: UDP test:\n"
" -I address IP address. Samples are sent to this address (default: 127.0.0.1)\n"
" -p port Data port. Samples are sent on this UDP port (default 9090)\n"
"\n");
}
int main(int argc, char *argv[])
{
int testCaseIndex = 0;
std::string dataaddress("127.0.0.1");
int dataport = 9090;
std::string filename("cm256.test");
std::string refFilename("cm256.ref.test");
std::string blockExclusionStr;
std::vector<int> blocExclusionList;
struct sigaction action;
memset(&action, 0, sizeof(struct sigaction));
action.sa_handler = handle_sigterm;
sigaction(SIGTERM, &action, NULL);
const struct option longopts[] = {
{ "exlist", 2, NULL, 'x' },
{ "case", 1, NULL, 'c' },
{ "daddress", 2, NULL, 'I' },
{ "dport", 1, NULL, 'P' },
{ "file", 2, NULL, 'f' },
{ "reffile", 2, NULL, 'r' },
{ NULL, 0, NULL, 0 } };
int c, longindex, value;
while ((c = getopt_long(argc, argv,
"x:c:I:P:f:r:",
longopts, &longindex)) >= 0)
{
switch (c)
{
case 'x':
blockExclusionStr.assign(optarg);
if (!getIntList(blocExclusionList, blockExclusionStr))
{
fprintf(stderr, "ERROR: Invalid block exclusion list\n");
exit(1);
}
else
{
std::cerr << "Exclude:";
for (std::vector<int>::iterator it = blocExclusionList.begin(); it != blocExclusionList.end(); ++it)
{
std::cerr << " " << *it;
}
std::cerr << std::endl;
}
break;
case 'c':
if (!parse_int(optarg, value) || (value < 0) || (value > 1))
{
usage();
badarg("-b");
exit(1);
}
else
{
testCaseIndex = value;
}
break;
case 'I':
dataaddress.assign(optarg);
break;
case 'P':
if (!parse_int(optarg, value) || (value < 0))
{
usage();
badarg("-P");
exit(1);
}
else
{
dataport = value;
}
break;
case 'f':
filename.assign(optarg);
break;
case 'r':
refFilename.assign(optarg);
break;
default:
usage();
fprintf(stderr, "ERROR: Invalid command line options\n");
exit(1);
}
}
if (optind < argc)
{
usage();
fprintf(stderr, "ERROR: Unexpected command line options\n");
exit(1);
}
if (testCaseIndex == 0)
{
std::cerr << "example0:" << std::endl;
if (!example0_tx(filename, refFilename))
{
std::cerr << "example0 failed" << std::endl << std::endl;
return 1;
}
std::cerr << "example0 successful" << std::endl;
}
else if (testCaseIndex == 1)
{
std::cerr << "example1:" << std::endl;
if (!example1_tx(dataaddress, dataport, blocExclusionList, stop_flag))
{
std::cerr << "example1 failed" << std::endl << std::endl;
return 1;
}
std::cerr << "example1 successful" << std::endl;
}
return 0;
}
|
