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 |
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> |
5fcaccbc MD |
31 | #include <signal.h> |
32 | #include <poll.h> | |
33 | #include <errno.h> | |
ae941114 | 34 | #include "utils.h" |
95983a02 | 35 | #include "signal-helper.h" |
7e0cc23b CB |
36 | |
37 | #define TRACEPOINT_DEFINE | |
38 | #include "tp.h" | |
39 | ||
40 | int main(int argc, char **argv) | |
41 | { | |
0fc2834c | 42 | unsigned int i, netint; |
7e0cc23b CB |
43 | long values[] = { 1, 2, 3 }; |
44 | char text[10] = "test"; | |
45 | double dbl = 2.0; | |
46 | float flt = 2222.0; | |
b2047add | 47 | int nr_iter = 100, ret = 0, first_event_file_created = 0; |
7e0cc23b | 48 | useconds_t nr_usec = 0; |
5fcaccbc MD |
49 | char *after_first_event_file_path = NULL; |
50 | char *before_last_event_file_path = NULL; | |
7e0cc23b | 51 | |
95983a02 JG |
52 | if (set_signal_handler()) { |
53 | ret = -1; | |
54 | goto end; | |
55 | } | |
56 | ||
7e0cc23b | 57 | if (argc >= 2) { |
0fc2834c MD |
58 | /* |
59 | * If nr_iter is negative, do an infinite tracing loop. | |
60 | */ | |
7e0cc23b CB |
61 | nr_iter = atoi(argv[1]); |
62 | } | |
63 | ||
2c34b645 | 64 | if (argc >= 3) { |
7e0cc23b CB |
65 | /* By default, don't wait unless user specifies. */ |
66 | nr_usec = atoi(argv[2]); | |
67 | } | |
68 | ||
2c34b645 | 69 | if (argc >= 4) { |
5fcaccbc MD |
70 | after_first_event_file_path = argv[3]; |
71 | } | |
72 | ||
73 | if (argc >= 5) { | |
74 | before_last_event_file_path = argv[4]; | |
209b934f DG |
75 | } |
76 | ||
0fc2834c | 77 | for (i = 0; nr_iter < 0 || i < nr_iter; i++) { |
5fcaccbc MD |
78 | if (nr_iter >= 0 && i == nr_iter - 1) { |
79 | /* | |
80 | * Wait on synchronization before writing last | |
81 | * event. | |
82 | */ | |
b2047add FD |
83 | if (before_last_event_file_path) { |
84 | ret = wait_on_file(before_last_event_file_path); | |
85 | if (ret != 0) { | |
86 | goto end; | |
87 | } | |
88 | } | |
5fcaccbc | 89 | } |
7e0cc23b | 90 | netint = htonl(i); |
5fcaccbc MD |
91 | tracepoint(tp, tptest, i, netint, values, text, |
92 | strlen(text), dbl, flt); | |
209b934f DG |
93 | |
94 | /* | |
5fcaccbc MD |
95 | * First loop we create the file if asked to indicate |
96 | * that at least one tracepoint has been hit. | |
209b934f | 97 | */ |
b2047add FD |
98 | if (after_first_event_file_path && first_event_file_created == 0) { |
99 | ret = create_file(after_first_event_file_path); | |
100 | ||
101 | if (ret != 0) { | |
102 | goto end; | |
103 | } else { | |
104 | first_event_file_created = 1; | |
105 | } | |
106 | } | |
107 | ||
b734f5f7 | 108 | if (nr_usec) { |
ae941114 JG |
109 | if (usleep_safe(nr_usec)) { |
110 | ret = -1; | |
111 | goto end; | |
112 | } | |
b734f5f7 | 113 | } |
95983a02 JG |
114 | if (should_quit) { |
115 | break; | |
116 | } | |
7e0cc23b CB |
117 | } |
118 | ||
ae941114 JG |
119 | end: |
120 | exit(!ret ? EXIT_SUCCESS : EXIT_FAILURE); | |
7e0cc23b | 121 | } |