static int journal_seek_realtime_usec (lua_State *L) {
sd_journal *j = check_journal(L, 1);
uint64_t usec = luaL_checkuint64(L, 2);
int err = sd_journal_seek_realtime_usec(j, usec);
if (err != 0) return handle_error(L, -err);
lua_pushboolean(L, 1);
return 1;
}
static tlog_grc
tlog_journal_json_reader_init(struct tlog_json_reader *reader, va_list ap)
{
struct tlog_journal_json_reader *journal_json_reader =
(struct tlog_journal_json_reader*)reader;
uint64_t since = va_arg(ap, uint64_t);
uint64_t until = va_arg(ap, uint64_t);
const char * const *match_sym_list = va_arg(ap, const char * const *);
int sd_rc;
tlog_grc grc;
/* Create JSON tokener */
journal_json_reader->tok = json_tokener_new();
if (journal_json_reader->tok == NULL) {
grc = TLOG_GRC_ERRNO;
goto error;
}
/* Open journal */
sd_rc = sd_journal_open(&journal_json_reader->journal, 0);
if (sd_rc < 0) {
grc = TLOG_GRC_FROM(systemd, sd_rc);
goto error;
}
/* Add matches */
sd_rc = tlog_journal_add_match_sym_list(journal_json_reader->journal,
match_sym_list);
if (sd_rc < 0) {
grc = TLOG_GRC_FROM(systemd, sd_rc);
goto error;
}
/* Seek to "since" timestamp */
sd_rc = sd_journal_seek_realtime_usec(journal_json_reader->journal,
since);
if (sd_rc < 0) {
grc = TLOG_GRC_FROM(systemd, sd_rc);
goto error;
}
/* Store "until" timestamp */
journal_json_reader->until = until;
return TLOG_RC_OK;
error:
tlog_journal_json_reader_cleanup(reader);
return grc;
}