X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommand.h;h=8961bad015939658b4f712534e9b899977c7d4d3;hp=a4f06d446011809783f4613bf083edb608ff567d;hb=4624dad0d79b63be45c5c6d7eb2920ba09746f06;hpb=ccf10263bcd2ca4667b9e1fc4dab64a3c8d8c4d8

diff --git a/src/bin/lttng/command.h b/src/bin/lttng/command.h
index a4f06d446..8961bad01 100644
--- a/src/bin/lttng/command.h
+++ b/src/bin/lttng/command.h
@@ -1,18 +1,8 @@
 /*
- * 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.
  */
 
 #ifndef _LTTNG_CMD_H
@@ -25,6 +15,27 @@
 #include "conf.h"
 #include "utils.h"
 
+#define DECL_COMMAND(_name) \
+	extern int cmd_##_name(int, const char **)
+
+#ifdef LTTNG_EMBED_HELP
+# define HELP_MSG_NAME		help_msg
+# define SHOW_HELP_ERROR_LINE	ERR("Cannot show --help for `lttng-%s`", argv[0]);
+#else
+# define HELP_MSG_NAME		NULL
+# define SHOW_HELP_ERROR_LINE	;
+#endif
+
+#define SHOW_HELP() 							\
+	do {								\
+		ret = show_cmd_help(argv[0], HELP_MSG_NAME);		\
+									\
+		if (ret) {						\
+			SHOW_HELP_ERROR_LINE 				\
+			ret = CMD_ERROR;				\
+		}							\
+	} while (0)
+
 enum cmd_error_code {
 	CMD_SUCCESS = 0,
 	CMD_ERROR,
@@ -39,26 +50,36 @@ struct cmd_struct {
 	int (*func)(int argc, const char **argv);
 };
 
-extern int cmd_list(int argc, const char **argv);
-extern int cmd_create(int argc, const char **argv);
-extern int cmd_destroy(int argc, const char **argv);
-extern int cmd_start(int argc, const char **argv);
-extern int cmd_stop(int argc, const char **argv);
-extern int cmd_enable_events(int argc, const char **argv);
-extern int cmd_disable_events(int argc, const char **argv);
-extern int cmd_enable_channels(int argc, const char **argv);
-extern int cmd_disable_channels(int argc, const char **argv);
-extern int cmd_add_context(int argc, const char **argv);
-extern int cmd_set_session(int argc, const char **argv);
-extern int cmd_version(int argc, const char **argv);
-extern int cmd_calibrate(int argc, const char **argv);
-extern int cmd_view(int argc, const char **argv);
-extern int cmd_enable_consumer(int argc, const char **argv);
-extern int cmd_disable_consumer(int argc, const char **argv);
-extern int cmd_snapshot(int argc, const char **argv);
-extern int cmd_save(int argc, const char **argv);
-extern int cmd_load(int argc, const char **argv);
-extern int cmd_track(int argc, const char **argv);
-extern int cmd_untrack(int argc, const char **argv);
+DECL_COMMAND(list);
+DECL_COMMAND(status);
+DECL_COMMAND(create);
+DECL_COMMAND(destroy);
+DECL_COMMAND(start);
+DECL_COMMAND(stop);
+DECL_COMMAND(enable_events);
+DECL_COMMAND(disable_events);
+DECL_COMMAND(enable_channels);
+DECL_COMMAND(disable_channels);
+DECL_COMMAND(add_context);
+DECL_COMMAND(set_session);
+DECL_COMMAND(version);
+DECL_COMMAND(view);
+DECL_COMMAND(enable_consumer);
+DECL_COMMAND(disable_consumer);
+DECL_COMMAND(snapshot);
+DECL_COMMAND(save);
+DECL_COMMAND(load);
+DECL_COMMAND(track);
+DECL_COMMAND(untrack);
+DECL_COMMAND(metadata);
+DECL_COMMAND(regenerate);
+DECL_COMMAND(rotate);
+DECL_COMMAND(enable_rotation);
+DECL_COMMAND(disable_rotation);
+DECL_COMMAND(clear);
+DECL_COMMAND(add_trigger);
+
+extern int cmd_help(int argc, const char **argv,
+		const struct cmd_struct commands[]);
 
 #endif /* _LTTNG_CMD_H */