Commit | Line | Data |
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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 |
a4c30524 | 19 | #include <getopt.h> |
209b934f | 20 | #include <assert.h> |
7e0cc23b | 21 | #include <arpa/inet.h> |
209b934f | 22 | #include <fcntl.h> |
7e0cc23b CB |
23 | #include <stdarg.h> |
24 | #include <stdio.h> | |
25 | #include <stdlib.h> | |
26 | #include <string.h> | |
27 | #include <sys/mman.h> | |
28 | #include <sys/stat.h> | |
29 | #include <sys/types.h> | |
30 | #include <unistd.h> | |
0fc2834c | 31 | #include <stdbool.h> |
5fcaccbc MD |
32 | #include <signal.h> |
33 | #include <poll.h> | |
34 | #include <errno.h> | |
ae941114 | 35 | #include "utils.h" |
95983a02 | 36 | #include "signal-helper.h" |
7e0cc23b CB |
37 | |
38 | #define TRACEPOINT_DEFINE | |
39 | #include "tp.h" | |
40 | ||
a4c30524 JR |
41 | static struct option long_options[] = |
42 | { | |
43 | /* These options set a flag. */ | |
44 | {"iter", required_argument, 0, 'i'}, | |
45 | {"wait", required_argument, 0, 'w'}, | |
46 | {"sync-after-first-event", required_argument, 0, 'a'}, | |
47 | {"sync-before-last-event", required_argument, 0, 'b'}, | |
48 | {0, 0, 0, 0} | |
49 | }; | |
50 | ||
7e0cc23b CB |
51 | int main(int argc, char **argv) |
52 | { | |
0fc2834c | 53 | unsigned int i, netint; |
a4c30524 JR |
54 | int option_index; |
55 | char option_char; | |
7e0cc23b CB |
56 | long values[] = { 1, 2, 3 }; |
57 | char text[10] = "test"; | |
58 | double dbl = 2.0; | |
59 | float flt = 2222.0; | |
b2047add | 60 | int nr_iter = 100, ret = 0, first_event_file_created = 0; |
7e0cc23b | 61 | useconds_t nr_usec = 0; |
5fcaccbc MD |
62 | char *after_first_event_file_path = NULL; |
63 | char *before_last_event_file_path = NULL; | |
7e0cc23b | 64 | |
a4c30524 JR |
65 | while((option_char = getopt_long(argc, argv, "i:w:a:b:c:d:", long_options, &option_index)) != -1) { |
66 | switch (option_char) { | |
67 | case 'a': | |
68 | after_first_event_file_path = strdup(optarg); | |
69 | break; | |
70 | case 'b': | |
71 | before_last_event_file_path = strdup(optarg); | |
72 | break; | |
73 | case 'i': | |
74 | nr_iter = atoi(optarg); | |
75 | break; | |
76 | case 'w': | |
77 | nr_usec = atoi(optarg); | |
78 | break; | |
79 | case '?': | |
80 | /* getopt_long already printed an error message. */ | |
81 | break; | |
82 | default: | |
83 | ret = -1; | |
84 | goto end; | |
85 | } | |
7e0cc23b CB |
86 | } |
87 | ||
a4c30524 JR |
88 | if (optind != argc) { |
89 | fprintf(stderr, "Error: takes long options only."); | |
90 | ret = -1; | |
91 | goto end; | |
7e0cc23b CB |
92 | } |
93 | ||
5fcaccbc | 94 | |
a4c30524 JR |
95 | if (set_signal_handler()) { |
96 | ret = -1; | |
97 | goto end; | |
209b934f DG |
98 | } |
99 | ||
0fc2834c | 100 | for (i = 0; nr_iter < 0 || i < nr_iter; i++) { |
5fcaccbc MD |
101 | if (nr_iter >= 0 && i == nr_iter - 1) { |
102 | /* | |
103 | * Wait on synchronization before writing last | |
104 | * event. | |
105 | */ | |
b2047add FD |
106 | if (before_last_event_file_path) { |
107 | ret = wait_on_file(before_last_event_file_path); | |
108 | if (ret != 0) { | |
109 | goto end; | |
110 | } | |
111 | } | |
5fcaccbc | 112 | } |
7e0cc23b | 113 | netint = htonl(i); |
5fcaccbc MD |
114 | tracepoint(tp, tptest, i, netint, values, text, |
115 | strlen(text), dbl, flt); | |
209b934f DG |
116 | |
117 | /* | |
5fcaccbc MD |
118 | * First loop we create the file if asked to indicate |
119 | * that at least one tracepoint has been hit. | |
209b934f | 120 | */ |
b2047add FD |
121 | if (after_first_event_file_path && first_event_file_created == 0) { |
122 | ret = create_file(after_first_event_file_path); | |
123 | ||
124 | if (ret != 0) { | |
125 | goto end; | |
126 | } else { | |
127 | first_event_file_created = 1; | |
128 | } | |
129 | } | |
130 | ||
b734f5f7 | 131 | if (nr_usec) { |
ae941114 JG |
132 | if (usleep_safe(nr_usec)) { |
133 | ret = -1; | |
134 | goto end; | |
135 | } | |
b734f5f7 | 136 | } |
95983a02 JG |
137 | if (should_quit) { |
138 | break; | |
139 | } | |
7e0cc23b CB |
140 | } |
141 | ||
ae941114 | 142 | end: |
a4c30524 JR |
143 | free(after_first_event_file_path); |
144 | free(before_last_event_file_path); | |
ae941114 | 145 | exit(!ret ? EXIT_SUCCESS : EXIT_FAILURE); |
7e0cc23b | 146 | } |