/*
- * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; only version 2
- * of the License.
+ * SPDX-License-Identifier: GPL-2.0-only
*
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
-#define _GNU_SOURCE
+#define _LGPL_SOURCE
#include <popt.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
-#include <config.h>
-#include "../cmd.h"
+#include <common/mi-lttng.h>
+
+#include "../command.h"
+#include "version.h"
+
+#ifdef LTTNG_EMBED_HELP
+static const char help_msg[] =
+#include <lttng-version.1.h>
+;
+#endif
enum {
OPT_HELP = 1,
+ OPT_LIST_OPTIONS,
};
+static const char *lttng_license = "lttng is free software and under the GPL license and part LGPL";
+
static struct poptOption long_options[] = {
/* longName, shortName, argInfo, argPtr, value, descrip, argDesc */
{"help", 'h', POPT_ARG_NONE, 0, OPT_HELP, 0, 0},
+ {"list-options", 0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
{0, 0, 0, 0, 0, 0, 0}
};
/*
- * usage
+ * create_version
+ */
+static void create_version(struct mi_lttng_version *version)
+{
+ strncpy(version->version, VERSION, NAME_MAX);
+ version->version_major = VERSION_MAJOR;
+ version->version_minor = VERSION_MINOR;
+ version->version_patchlevel = VERSION_PATCHLEVEL;
+ strncpy(version->version_commit, GIT_VERSION, NAME_MAX);
+ strncpy(version->version_name, VERSION_NAME, NAME_MAX);
+ strncpy(version->package_url, PACKAGE_URL, NAME_MAX);
+}
+
+/*
+ * Print the machine interface output of this command.
*/
-static void usage(FILE *ofp)
+static int print_mi(void)
{
- fprintf(ofp, "usage: lttng version\n");
- fprintf(ofp, "\n");
- fprintf(ofp, " -h, --help Show this help\n");
- fprintf(ofp, "\n");
+ int ret = CMD_SUCCESS;
+ struct mi_writer *writer = NULL;
+ struct mi_lttng_version version;
+
+ create_version(&version);
+
+ writer = mi_lttng_writer_create(fileno(stdout), lttng_opt_mi);
+ if (!writer) {
+ ret = -LTTNG_ERR_NOMEM;
+ goto end;
+ }
+
+ /* Open the command element */
+ ret = mi_lttng_writer_command_open(writer,
+ mi_lttng_element_command_version);
+ if (ret) {
+ ret = CMD_ERROR;
+ goto error;
+ }
+
+ /* Beginning of output */
+ ret = mi_lttng_writer_open_element(writer,
+ mi_lttng_element_command_output);
+ if (ret) {
+ ret = CMD_ERROR;
+ goto error;
+ }
+
+ /* Print the machine interface of version */
+ ret = mi_lttng_version(writer, &version,
+ VERSION_DESCRIPTION, lttng_license);
+ if (ret) {
+ ret = CMD_ERROR;
+ goto error;
+ }
+
+ /* Close the output element */
+ ret = mi_lttng_writer_close_element(writer);
+ if (ret) {
+ ret = CMD_ERROR;
+ goto error;
+ }
+
+ /* Close the command */
+ ret = mi_lttng_writer_command_close(writer);
+ if (ret) {
+ ret = CMD_ERROR;
+ }
+
+error:
+ /* Cleanup */
+ if (writer && mi_lttng_writer_destroy(writer)) {
+ /* Preserve original error code */
+ ret = ret ? ret : -LTTNG_ERR_MI_IO_FAIL;
+ }
+
+end:
+ return ret;
}
/*
while ((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
case OPT_HELP:
- usage(stderr);
- ret = CMD_SUCCESS;
+ SHOW_HELP();
+ goto end;
+ case OPT_LIST_OPTIONS:
+ list_cmd_options(stdout, long_options);
goto end;
default:
- usage(stderr);
ret = CMD_UNDEFINED;
goto end;
}
}
- MSG("lttng version " VERSION);
- MSG("Web site: http://lttng.org/");
- MSG("\nlttng is free software and under the GPL license.");
+ if (lttng_opt_mi) {
+ ret = print_mi();
+ } else {
+ MSG("lttng version " VERSION " - " VERSION_NAME "%s",
+ GIT_VERSION[0] == '\0' ? "" : " - " GIT_VERSION);
+ MSG("\n" VERSION_DESCRIPTION "\n");
+ MSG("Web site: https://lttng.org");
+ MSG("\n%s", lttng_license);
+ if (EXTRA_VERSION_NAME[0] != '\0') {
+ MSG("\nExtra version name: " EXTRA_VERSION_NAME);
+ }
+ if (EXTRA_VERSION_DESCRIPTION[0] != '\0') {
+ MSG("\nExtra version description:\n\t" EXTRA_VERSION_DESCRIPTION);
+ }
+ if (EXTRA_VERSION_PATCHES[0] != '\0') {
+ MSG("\nExtra version patches:\n\t" EXTRA_VERSION_PATCHES);
+ }
+ }
end:
+ poptFreeContext(pc);
return ret;
}
projects / lttng-tools.git / blobdiff