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7e0cc23b CB |
1 | /* |
2 | * Copyright (C) - 2012 David Goulet <dgoulet@efficios.com> | |
3 | * | |
4 | * This library is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU Lesser General Public License as published by the | |
6 | * Free Software Foundation; version 2.1 of the License. | |
7 | * | |
8 | * This library is distributed in the hope that it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License | |
11 | * for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU Lesser General Public License | |
14 | * along with this library; if not, write to the Free Software Foundation, | |
15 | * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
16 | */ | |
17 | ||
70dac0d7 | 18 | #define _LGPL_SOURCE |
209b934f | 19 | #include <assert.h> |
7e0cc23b | 20 | #include <arpa/inet.h> |
209b934f | 21 | #include <fcntl.h> |
7e0cc23b CB |
22 | #include <stdarg.h> |
23 | #include <stdio.h> | |
24 | #include <stdlib.h> | |
25 | #include <string.h> | |
26 | #include <sys/mman.h> | |
27 | #include <sys/stat.h> | |
28 | #include <sys/types.h> | |
29 | #include <unistd.h> | |
0fc2834c | 30 | #include <stdbool.h> |
7e0cc23b CB |
31 | |
32 | #define TRACEPOINT_DEFINE | |
33 | #include "tp.h" | |
34 | ||
209b934f DG |
35 | void create_file(const char *path) |
36 | { | |
37 | int ret; | |
38 | ||
39 | assert(path); | |
40 | ||
41 | ret = creat(path, S_IRWXU); | |
42 | if (ret < 0) { | |
43 | fprintf(stderr, "Failed to create file %s\n", path); | |
44 | return; | |
45 | } | |
46 | ||
47 | (void) close(ret); | |
48 | } | |
49 | ||
7e0cc23b CB |
50 | int main(int argc, char **argv) |
51 | { | |
0fc2834c | 52 | unsigned int i, netint; |
7e0cc23b CB |
53 | long values[] = { 1, 2, 3 }; |
54 | char text[10] = "test"; | |
55 | double dbl = 2.0; | |
56 | float flt = 2222.0; | |
0fc2834c | 57 | int nr_iter = 100; |
7e0cc23b | 58 | useconds_t nr_usec = 0; |
209b934f | 59 | char *tmp_file_path = NULL; |
0fc2834c | 60 | bool file_created = false; |
7e0cc23b CB |
61 | |
62 | if (argc >= 2) { | |
0fc2834c MD |
63 | /* |
64 | * If nr_iter is negative, do an infinite tracing loop. | |
65 | */ | |
7e0cc23b CB |
66 | nr_iter = atoi(argv[1]); |
67 | } | |
68 | ||
2c34b645 | 69 | if (argc >= 3) { |
7e0cc23b CB |
70 | /* By default, don't wait unless user specifies. */ |
71 | nr_usec = atoi(argv[2]); | |
72 | } | |
73 | ||
2c34b645 | 74 | if (argc >= 4) { |
209b934f DG |
75 | tmp_file_path = argv[3]; |
76 | } | |
77 | ||
0fc2834c | 78 | for (i = 0; nr_iter < 0 || i < nr_iter; i++) { |
7e0cc23b | 79 | netint = htonl(i); |
209b934f DG |
80 | tracepoint(tp, tptest, i, netint, values, text, strlen(text), dbl, |
81 | flt); | |
82 | ||
83 | /* | |
84 | * First loop we create the file if asked to indicate that at least one | |
85 | * tracepoint has been hit. | |
86 | */ | |
0fc2834c | 87 | if (!file_created && tmp_file_path) { |
209b934f | 88 | create_file(tmp_file_path); |
0fc2834c | 89 | file_created = true; |
209b934f | 90 | } |
7e0cc23b CB |
91 | usleep(nr_usec); |
92 | } | |
93 | ||
94 | return 0; | |
95 | } |