Commit | Line | Data |
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eb9cb8b7 DG |
1 | /* |
2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> | |
3 | * | |
d14d33bf AM |
4 | * This program is free software; you can redistribute it and/or modify |
5 | * it under the terms of the GNU General Public License, version 2 only, | |
6 | * as published by the Free Software Foundation. | |
eb9cb8b7 DG |
7 | * |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
d14d33bf AM |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., | |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
eb9cb8b7 DG |
16 | */ |
17 | ||
6c1c0768 | 18 | #define _LGPL_SOURCE |
eb9cb8b7 DG |
19 | #include <popt.h> |
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | #include <sys/stat.h> | |
24 | #include <sys/types.h> | |
25 | #include <unistd.h> | |
26 | ||
c7e35b03 JR |
27 | #include <common/mi-lttng.h> |
28 | ||
c399183f | 29 | #include "../command.h" |
979d476d | 30 | #include "version.h" |
eb9cb8b7 | 31 | |
4fc83d94 PP |
32 | #ifdef LTTNG_EMBED_HELP |
33 | static const char help_msg[] = | |
34 | #include <lttng-version.1.h> | |
35 | ; | |
36 | #endif | |
37 | ||
eb9cb8b7 DG |
38 | enum { |
39 | OPT_HELP = 1, | |
679b4943 | 40 | OPT_LIST_OPTIONS, |
eb9cb8b7 DG |
41 | }; |
42 | ||
c7e35b03 JR |
43 | static const char *lttng_license = "lttng is free software and under the GPL license and part LGPL"; |
44 | ||
eb9cb8b7 DG |
45 | static struct poptOption long_options[] = { |
46 | /* longName, shortName, argInfo, argPtr, value, descrip, argDesc */ | |
47 | {"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0}, | |
679b4943 | 48 | {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL}, |
eb9cb8b7 DG |
49 | {0, 0, 0, 0, 0, 0, 0} |
50 | }; | |
51 | ||
c7e35b03 JR |
52 | /* |
53 | * create_version | |
54 | */ | |
55 | static void create_version(struct mi_lttng_version *version) | |
56 | { | |
57 | strncpy(version->version, VERSION, NAME_MAX); | |
58 | version->version_major = VERSION_MAJOR; | |
59 | version->version_minor = VERSION_MINOR; | |
60 | version->version_patchlevel = VERSION_PATCHLEVEL; | |
50bba0f3 | 61 | strncpy(version->version_commit, GIT_VERSION, NAME_MAX); |
c7e35b03 JR |
62 | strncpy(version->version_name, VERSION_NAME, NAME_MAX); |
63 | strncpy(version->package_url, PACKAGE_URL, NAME_MAX); | |
64 | } | |
65 | ||
66 | /* | |
67 | * Print the machine interface output of this command. | |
68 | */ | |
69 | static int print_mi() | |
70 | { | |
71 | int ret = CMD_SUCCESS; | |
72 | struct mi_writer *writer = NULL; | |
73 | struct mi_lttng_version version; | |
74 | ||
75 | create_version(&version); | |
76 | ||
77 | writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi); | |
78 | if (!writer) { | |
79 | ret = -LTTNG_ERR_NOMEM; | |
80 | goto end; | |
81 | } | |
82 | ||
83 | /* Open the command element */ | |
84 | ret = mi_lttng_writer_command_open(writer, | |
85 | mi_lttng_element_command_version); | |
86 | if (ret) { | |
87 | ret = CMD_ERROR; | |
88 | goto error; | |
89 | } | |
90 | ||
91 | /* Beginning of output */ | |
92 | ret = mi_lttng_writer_open_element(writer, | |
93 | mi_lttng_element_command_output); | |
94 | if (ret) { | |
95 | ret = CMD_ERROR; | |
96 | goto error; | |
97 | } | |
98 | ||
99 | /* Print the machine interface of version */ | |
100 | ret = mi_lttng_version(writer, &version, | |
101 | VERSION_DESCRIPTION, lttng_license); | |
102 | if (ret) { | |
103 | ret = CMD_ERROR; | |
104 | goto error; | |
105 | } | |
106 | ||
107 | /* Close the output element */ | |
108 | ret = mi_lttng_writer_close_element(writer); | |
109 | if (ret) { | |
110 | ret = CMD_ERROR; | |
111 | goto error; | |
112 | } | |
113 | ||
114 | /* Close the command */ | |
115 | ret = mi_lttng_writer_command_close(writer); | |
116 | if (ret) { | |
117 | ret = CMD_ERROR; | |
118 | } | |
119 | ||
120 | error: | |
121 | /* Cleanup */ | |
122 | if (writer && mi_lttng_writer_destroy(writer)) { | |
123 | /* Preserve original error code */ | |
124 | ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL; | |
125 | } | |
126 | ||
127 | end: | |
128 | return ret; | |
129 | } | |
130 | ||
eb9cb8b7 DG |
131 | /* |
132 | * cmd_version | |
133 | */ | |
134 | int cmd_version(int argc, const char **argv) | |
135 | { | |
136 | int opt, ret = CMD_SUCCESS; | |
137 | static poptContext pc; | |
138 | ||
139 | pc = poptGetContext(NULL, argc, argv, long_options, 0); | |
140 | poptReadDefaultConfig(pc, 0); | |
141 | ||
142 | while ((opt = poptGetNextOpt(pc)) != -1) { | |
143 | switch (opt) { | |
144 | case OPT_HELP: | |
4ba92f18 | 145 | SHOW_HELP(); |
eb9cb8b7 | 146 | goto end; |
679b4943 SM |
147 | case OPT_LIST_OPTIONS: |
148 | list_cmd_options(stdout, long_options); | |
679b4943 | 149 | goto end; |
eb9cb8b7 | 150 | default: |
eb9cb8b7 DG |
151 | ret = CMD_UNDEFINED; |
152 | goto end; | |
153 | } | |
154 | } | |
155 | ||
c7e35b03 JR |
156 | if (lttng_opt_mi) { |
157 | ret = print_mi(); | |
158 | } else { | |
4c6ac053 MD |
159 | MSG("lttng version " VERSION " - " VERSION_NAME "%s", |
160 | GIT_VERSION[0] == '\0' ? "" : " - " GIT_VERSION); | |
c7e35b03 | 161 | MSG("\n" VERSION_DESCRIPTION "\n"); |
a18d9544 | 162 | MSG("Web site: https://lttng.org"); |
c7e35b03 | 163 | MSG("\n%s", lttng_license); |
a3bc3918 JR |
164 | if (EXTRA_VERSION_NAME[0] != '\0') { |
165 | MSG("\nExtra version name: " EXTRA_VERSION_NAME); | |
166 | } | |
167 | if (EXTRA_VERSION_DESCRIPTION[0] != '\0') { | |
168 | MSG("\nExtra version description:\n\t" EXTRA_VERSION_DESCRIPTION); | |
169 | } | |
7f5ed73a JR |
170 | if (EXTRA_VERSION_PATCHES[0] != '\0') { |
171 | MSG("\nExtra version patches:\n\t" EXTRA_VERSION_PATCHES); | |
172 | } | |
c7e35b03 | 173 | } |
eb9cb8b7 DG |
174 | |
175 | end: | |
ca1c3607 | 176 | poptFreeContext(pc); |
eb9cb8b7 DG |
177 | return ret; |
178 | } |