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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 | ||
209b934f | 18 | #include <assert.h> |
7e0cc23b | 19 | #include <arpa/inet.h> |
209b934f | 20 | #include <fcntl.h> |
7e0cc23b CB |
21 | #include <stdarg.h> |
22 | #include <stdio.h> | |
23 | #include <stdlib.h> | |
24 | #include <string.h> | |
25 | #include <sys/mman.h> | |
26 | #include <sys/stat.h> | |
27 | #include <sys/types.h> | |
28 | #include <unistd.h> | |
d4607bc6 | 29 | #include <stdbool.h> |
7e0cc23b CB |
30 | |
31 | #define TRACEPOINT_DEFINE | |
32 | #include "tp.h" | |
33 | ||
209b934f DG |
34 | void create_file(const char *path) |
35 | { | |
36 | int ret; | |
37 | ||
38 | assert(path); | |
39 | ||
40 | ret = creat(path, S_IRWXU); | |
41 | if (ret < 0) { | |
42 | fprintf(stderr, "Failed to create file %s\n", path); | |
43 | return; | |
44 | } | |
45 | ||
46 | (void) close(ret); | |
47 | } | |
48 | ||
7e0cc23b CB |
49 | int main(int argc, char **argv) |
50 | { | |
d4607bc6 | 51 | unsigned int i, netint; |
7e0cc23b CB |
52 | long values[] = { 1, 2, 3 }; |
53 | char text[10] = "test"; | |
54 | double dbl = 2.0; | |
55 | float flt = 2222.0; | |
d4607bc6 | 56 | int nr_iter = 100; |
7e0cc23b | 57 | useconds_t nr_usec = 0; |
209b934f | 58 | char *tmp_file_path = NULL; |
d4607bc6 | 59 | bool file_created = false; |
7e0cc23b CB |
60 | |
61 | if (argc >= 2) { | |
d4607bc6 MD |
62 | /* |
63 | * If nr_iter is negative, do an infinite tracing loop. | |
64 | */ | |
7e0cc23b CB |
65 | nr_iter = atoi(argv[1]); |
66 | } | |
67 | ||
2c34b645 | 68 | if (argc >= 3) { |
7e0cc23b CB |
69 | /* By default, don't wait unless user specifies. */ |
70 | nr_usec = atoi(argv[2]); | |
71 | } | |
72 | ||
2c34b645 | 73 | if (argc >= 4) { |
209b934f DG |
74 | tmp_file_path = argv[3]; |
75 | } | |
76 | ||
d4607bc6 | 77 | for (i = 0; nr_iter < 0 || i < nr_iter; i++) { |
7e0cc23b | 78 | netint = htonl(i); |
209b934f DG |
79 | tracepoint(tp, tptest, i, netint, values, text, strlen(text), dbl, |
80 | flt); | |
81 | ||
82 | /* | |
83 | * First loop we create the file if asked to indicate that at least one | |
84 | * tracepoint has been hit. | |
85 | */ | |
d4607bc6 | 86 | if (!file_created && tmp_file_path) { |
209b934f | 87 | create_file(tmp_file_path); |
d4607bc6 | 88 | file_created = true; |
209b934f | 89 | } |
7e0cc23b CB |
90 | usleep(nr_usec); |
91 | } | |
92 | ||
93 | return 0; | |
94 | } |