lttng: Implement lttng clear session command

[lttng-tools.git] / src / bin / lttng / command.h

diff --git a/src/bin/lttng/command.h b/src/bin/lttng/command.h
index fc3c394c1aa05d41d16300928cc67cf63b872e2b..b4444b34fdf7931c9ca55be1dc47ae6454a57678 100644 (file)
--- a/src/bin/lttng/command.h
+++ b/src/bin/lttng/command.h
@@ -25,6 +25,27 @@
 #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,
@@ -39,23 +60,35 @@ 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);
+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);
+
+extern int cmd_help(int argc, const char **argv,
+               const struct cmd_struct commands[]);
 
 #endif /* _LTTNG_CMD_H */