+int opt_quiet;
+int opt_verbose;
+static int opt_no_sessiond;
+static char *opt_sessiond_path;
+
+enum {
+ OPT_NO_SESSIOND,
+ OPT_SESSION_PATH,
+};
+
+/* Getopt options. No first level command. */
+static struct option long_options[] = {
+ {"help", 0, NULL, 'h'},
+ {"group", 1, NULL, 'g'},
+ {"verbose", 0, NULL, 'v'},
+ {"quiet", 0, NULL, 'q'},
+ {"no-sessiond", 0, NULL, OPT_NO_SESSIOND},
+ {"sessiond-path", 1, NULL, OPT_SESSION_PATH},
+ {NULL, 0, NULL, 0}
+};
+
+/* First level command */
+static struct cmd_struct commands[] = {
+ { "list", cmd_list},
+ { "create", cmd_create},
+ { "destroy", cmd_destroy},
+ { "add-channel", cmd_add_channel},
+ { "start", cmd_start},
+ { "stop", cmd_stop},
+ { "enable-event", cmd_enable_events},
+ { "disable-event", cmd_disable_events},
+ { "enable-channel", cmd_enable_channels},
+ { "disable-channel", cmd_disable_channels},
+ { "add-context", cmd_add_context},
+ { NULL, NULL} /* Array closure */
+};
+
+static void usage(FILE *ofp)
+{
+ fprintf(ofp, "LTTng Trace Control " VERSION"\n\n");
+ fprintf(ofp, "usage: lttng [options] <command>\n");
+ fprintf(ofp, "\n");
+ fprintf(ofp, "Options:\n");
+ fprintf(ofp, " -h, --help Show this help\n");
+ fprintf(ofp, " -g, --group NAME Unix tracing group name. (default: tracing)\n");
+ fprintf(ofp, " -v, --verbose Verbose mode\n");
+ fprintf(ofp, " -q, --quiet Quiet mode\n");
+ fprintf(ofp, " --no-sessiond Don't spawn a session daemon\n");
+ fprintf(ofp, " --sessiond-path Session daemon full path\n");
+ fprintf(ofp, "\n");
+ fprintf(ofp, "Commands:\n");
+ fprintf(ofp, " add-channel Add channel to tracer\n");
+ fprintf(ofp, " add-context Add context to event or/and channel\n");
+ fprintf(ofp, " create Create tracing session\n");
+ fprintf(ofp, " destroy Teardown tracing session\n");
+ fprintf(ofp, " enable-channel Enable tracing channel\n");
+ fprintf(ofp, " enable-event Enable tracing event\n");
+ fprintf(ofp, " disable-channel Disable tracing channel\n");
+ fprintf(ofp, " disable-event Disable tracing event\n");
+ fprintf(ofp, " list List possible tracing options\n");
+ fprintf(ofp, " start Start tracing\n");
+ fprintf(ofp, " stop Stop tracing\n");
+ fprintf(ofp, " version Show version information\n");
+ fprintf(ofp, "\n");
+ fprintf(ofp, "Please see the lttng(1) man page for full documentation.\n");
+ fprintf(ofp, "See http://lttng.org for updates, bug reports and news.\n");
+}
+
+/*
+ * clean_exit
+ */
+static void clean_exit(int code)
+{
+ DBG("Clean exit");
+ exit(code);
+}