ACTION_SYNC,
ACTION_ROTATE,
ACTION_VACUUM,
+ ACTION_LIST_FIELDS,
+ ACTION_LIST_FIELD_NAMES,
} arg_action = ACTION_SHOW;
typedef struct BootId {
"\nCommands:\n"
" -h --help Show this help text\n"
" --version Show package version\n"
+ " -N --fields List all field names currently used\n"
" -F --field=FIELD List all values that a specified field takes\n"
" --disk-usage Show total disk usage of all journal files\n"
" --vacuum-size=BYTES Reduce disk usage below specified size\n"
{ "unit", required_argument, NULL, 'u' },
{ "user-unit", required_argument, NULL, ARG_USER_UNIT },
{ "field", required_argument, NULL, 'F' },
+ { "fields", no_argument, NULL, 'N' },
{ "catalog", no_argument, NULL, 'x' },
{ "list-catalog", no_argument, NULL, ARG_LIST_CATALOG },
{ "dump-catalog", no_argument, NULL, ARG_DUMP_CATALOG },
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "hefo:aln::qmb::kD:p:c:S:U:t:u:F:xrM:", options, NULL)) >= 0)
+ while ((c = getopt_long(argc, argv, "hefo:aln::qmb::kD:p:c:S:U:t:u:NF:xrM:", options, NULL)) >= 0)
switch (c) {
break;
case 'F':
+ arg_action = ACTION_LIST_FIELDS;
arg_field = optarg;
break;
+ case 'N':
+ arg_action = ACTION_LIST_FIELD_NAMES;
+ break;
+
case 'x':
arg_catalog = true;
break;
case ACTION_DISK_USAGE:
case ACTION_LIST_BOOTS:
case ACTION_VACUUM:
+ case ACTION_LIST_FIELDS:
+ case ACTION_LIST_FIELD_NAMES:
/* These ones require access to the journal files, continue below. */
break;
goto finish;
}
+ case ACTION_LIST_FIELD_NAMES: {
+ const char *field;
+
+ SD_JOURNAL_FOREACH_FIELD(j, field) {
+ printf("%s\n", field);
+ n_shown ++;
+ }
+
+ r = 0;
+ goto finish;
+ }
+
case ACTION_SHOW:
+ case ACTION_LIST_FIELDS:
break;
default:
log_debug("Journal filter: %s", filter);
}
- if (arg_field) {
+ if (arg_action == ACTION_LIST_FIELDS) {
const void *data;
size_t size;
+ assert(arg_field);
+
r = sd_journal_set_data_threshold(j, 0);
if (r < 0) {
log_error_errno(r, "Failed to unset data size threshold: %m");