/*
- * 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, version 2 only,
- * as published by the Free Software Foundation.
+ * 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.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#define _LGPL_SOURCE
#include <common/utils.h>
#include "command.h"
+#include "version.h"
static const char *help_msg =
#ifdef LTTNG_EMBED_HELP
;
/* Variables */
-static char *progname;
+static const char *progname;
int opt_no_sessiond;
char *opt_sessiond_path;
static struct cmd_struct commands[] = {
{ "add-context", cmd_add_context},
{ "create", cmd_create},
+ { "clear", cmd_clear},
{ "destroy", cmd_destroy},
{ "disable-channel", cmd_disable_channels},
{ "disable-event", cmd_disable_events},
{ "load", cmd_load},
{ "metadata", cmd_metadata},
{ "regenerate", cmd_regenerate},
+ { "rotate", cmd_rotate},
+ { "enable-rotation", cmd_enable_rotation},
+ { "disable-rotation", cmd_disable_rotation},
{ "save", cmd_save},
{ "set-session", cmd_set_session},
{ "snapshot", cmd_snapshot},
static void version(FILE *ofp)
{
- fprintf(ofp, "%s (LTTng Trace Control) " VERSION" - " VERSION_NAME "%s\n",
+ fprintf(ofp, "%s (LTTng Trace Control) " VERSION" - " VERSION_NAME "%s%s\n",
progname,
- GIT_VERSION[0] == '\0' ? "" : " - " GIT_VERSION);
+ GIT_VERSION[0] == '\0' ? "" : " - " GIT_VERSION,
+ EXTRA_VERSION_NAME[0] == '\0' ? "" : " - " EXTRA_VERSION_NAME);
}
/*
return ret;
}
+static bool command_exists(const char *command)
+{
+ const struct cmd_struct *cmd = commands;
+ bool exists = false;
+
+ while (cmd->name != NULL) {
+ if (!strcmp(command, cmd->name)) {
+ exists = true;
+ goto end;
+ }
+ cmd++;
+ }
+
+end:
+ return exists;
+}
+
static void show_basic_help(void)
{
puts("Usage: lttng [--group=GROUP] [--mi=TYPE] [--no-sessiond | --sessiond-path=PATH]");
puts("");
puts("Tracing sessions:");
puts(" create " CONFIG_CMD_DESCR_CREATE);
+ puts(" clear " CONFIG_CMD_DESCR_CLEAR);
puts(" destroy " CONFIG_CMD_DESCR_DESTROY);
puts(" load " CONFIG_CMD_DESCR_LOAD);
puts(" regenerate " CONFIG_CMD_DESCR_REGENERATE);
puts(" start " CONFIG_CMD_DESCR_START);
puts(" stop " CONFIG_CMD_DESCR_STOP);
puts("");
+ puts("Tracing session rotation:");
+ puts(" disable-rotation " CONFIG_CMD_DESCR_DISABLE_ROTATION);
+ puts(" enable-rotation " CONFIG_CMD_DESCR_ENABLE_ROTATION);
+ puts(" rotate " CONFIG_CMD_DESCR_ROTATE);
+ puts("");
puts("Resource tracking:");
puts(" track " CONFIG_CMD_DESCR_TRACK);
puts(" untrack " CONFIG_CMD_DESCR_UNTRACK);
ret = handle_command(argc - optind, argv + optind);
switch (ret) {
case CMD_WARNING:
- WARN("Some command(s) went wrong");
- break;
case CMD_ERROR:
- ERR("Command error");
break;
case CMD_UNDEFINED:
- ERR("Undefined command or invalid arguments");
+ if (!command_exists(*(argv + optind))) {
+ MSG("lttng: %s is not an lttng command. See 'lttng --help'.",
+ *(argv + optind));
+ } else {
+ ERR("Unrecognized argument used with \'%s\' command",
+ *(argv + optind));
+ }
break;
case CMD_FATAL:
- ERR("Fatal error");
- break;
case CMD_UNSUPPORTED:
- ERR("Unsupported command");
break;
case -1:
ret = 1;