* Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#define _GNU_SOURCE
#define _LGPL_SOURCE
#include <assert.h>
#include <inttypes.h>
{ NULL, NULL } /* Array closure */
};
-/*
- * usage
- */
-static void usage(FILE *ofp)
-{
- fprintf(ofp, "usage: lttng snapshot [OPTION] ACTION\n");
- fprintf(ofp, "\n");
- fprintf(ofp, "Actions:\n");
- fprintf(ofp, " add-output [-m <SIZE>] [-s <NAME>] [-n <NAME>] <URL> | -C <URL> -D <URL>\n");
- fprintf(ofp, " Setup and add an snapshot output for a session.\n");
- fprintf(ofp, "\n");
- fprintf(ofp, " del-output ID | NAME [-s <NAME>]\n");
- fprintf(ofp, " Delete an output for a session using the ID.\n");
- fprintf(ofp, "\n");
- fprintf(ofp, " list-output [-s <NAME>]\n");
- fprintf(ofp, " List the output of a session.\n");
- fprintf(ofp, "\n");
- fprintf(ofp, " record [-m <SIZE>] [-s <NAME>] [-n <NAME>] [<URL> | -C <URL> -D <URL>]\n");
- fprintf(ofp, " Snapshot a session's buffer(s) for all domains. If an URL is\n");
- fprintf(ofp, " specified, it is used instead of a previously added output.\n");
- fprintf(ofp, " Specifying only a name or/a size will override the current output value.\n");
- fprintf(ofp, " For instance, you can record a snapshot with a custom maximum size\n");
- fprintf(ofp, " or with a different name.\n");
- fprintf(ofp, "\n");
- fprintf(ofp, "Options:\n");
- fprintf(ofp, " -h, --help Show this help\n");
- fprintf(ofp, " --list-options Simple listing of options\n");
- fprintf(ofp, " -s, --session NAME Apply to session name\n");
- fprintf(ofp, " -n, --name NAME Name of the output or snapshot\n");
- fprintf(ofp, " -m, --max-size SIZE Maximum bytes size of the snapshot {+k,+M,+G}\n");
- fprintf(ofp, " -C, --ctrl-url URL Set control path URL. (Must use -D also)\n");
- fprintf(ofp, " -D, --data-url URL Set data path URL. (Must use -C also)\n");
- fprintf(ofp, "\n");
-}
-
/*
* Count and return the number of arguments in argv.
*/
int ret;
if (argc < 2 && (!opt_data_url || !opt_ctrl_url)) {
- usage(stderr);
ret = CMD_ERROR;
goto end;
}
long id;
if (argc < 2) {
- usage(stderr);
ret = CMD_ERROR;
goto end;
}
if (argv == NULL || (!opt_ctrl_url && opt_data_url) ||
(opt_ctrl_url && !opt_data_url)) {
- usage(stderr);
command_ret = CMD_ERROR;
goto end;
}
while ((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
case OPT_HELP:
- usage(stdout);
+ SHOW_HELP();
goto end;
case OPT_LIST_OPTIONS:
list_cmd_options(stdout, snapshot_opts);
break;
}
default:
- usage(stderr);
ret = CMD_UNDEFINED;
goto end;
}