static void test_skip(void (*setup)(void))
{
char t[] = "/tmp/journal-skip-XXXXXX";
sd_journal *j;
int r;
assert_se(mkdtemp(t));
assert_se(chdir(t) >= 0);
setup();
/* Seek to head, iterate down.
*/
assert_ret(sd_journal_open_directory(&j, t, 0));
assert_ret(sd_journal_seek_head(j));
assert_ret(sd_journal_next(j));
test_check_numbers_down(j, 4);
sd_journal_close(j);
/* Seek to tail, iterate up.
*/
assert_ret(sd_journal_open_directory(&j, t, 0));
assert_ret(sd_journal_seek_tail(j));
assert_ret(sd_journal_previous(j));
test_check_numbers_up(j, 4);
sd_journal_close(j);
/* Seek to tail, skip to head, iterate down.
*/
assert_ret(sd_journal_open_directory(&j, t, 0));
assert_ret(sd_journal_seek_tail(j));
assert_ret(r = sd_journal_previous_skip(j, 4));
assert_se(r == 4);
test_check_numbers_down(j, 4);
sd_journal_close(j);
/* Seek to head, skip to tail, iterate up.
*/
assert_ret(sd_journal_open_directory(&j, t, 0));
assert_ret(sd_journal_seek_head(j));
assert_ret(r = sd_journal_next_skip(j, 4));
assert_se(r == 4);
test_check_numbers_up(j, 4);
sd_journal_close(j);
log_info("Done...");
if (arg_keep)
log_info("Not removing %s", t);
else {
journal_directory_vacuum(".", 3000000, 0, 0, NULL);
assert_se(rm_rf_dangerous(t, false, true, false) >= 0);
}
puts("------------------------------------------------------------");
}
void systemd_shutdown(void)
{
if (journald_context != 0)
sd_journal_close (journald_context);
if (journald_context_seeky != 0)
sd_journal_close (journald_context_seeky);
/* XXX: pmdaEvent zap queues? */
}
int main(int argc, char *argv[]) {
int r;
sd_journal *j;
r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY);
if (r < 0) {
fprintf(stderr, "Failed to open journal: %s\n", strerror(-r));
return 1;
}
for (;;) {
const void *d;
size_t l;
r = sd_journal_next(j);
if (r < 0) {
fprintf(stderr, "Failed to iterate to next entry: %s\n", strerror(-r));
break;
}
if (r == 0) {
/* Reached the end, let's wait for changes, and try again */
r = sd_journal_wait(j, (uint64_t) -1);
if (r < 0) {
fprintf(stderr, "Failed to wait for changes: %s\n", strerror(-r));
break;
}
continue;
}
r = sd_journal_get_data(j, "MESSAGE", &d, &l);
if (r < 0) {
fprintf(stderr, "Failed to read message field: %s\n", strerror(-r));
continue;
}
printf("%.*s\n", (int) l, (const char*) d);
}
sd_journal_close(j);
return 0;
}
static int journal_close (lua_State *L) {
sd_journal **jp = luaL_checkudata(L, 1, JOURNAL_METATABLE);
if (*jp != NULL) {
sd_journal_close(*jp);
*jp = NULL;
}
return 0;
}
static void
Journal_dealloc(Journal* self)
{
sd_journal_close(self->j);
Py_XDECREF(self->default_call);
Py_XDECREF(self->call_dict);
Py_TYPE(self)->tp_free((PyObject*)self);
}
void close_journal_input(Uploader *u) {
assert(u);
if (u->journal) {
log_debug("Closing journal input.");
sd_journal_close(u->journal);
u->journal = NULL;
}
u->timeout = 0;
}
int main(int argc, char *argv[]) {
sd_journal *j;
int r, i, I = 100;
char t[] = "/var/tmp/journal-stream-XXXXXX";
test_setup_logging(LOG_DEBUG);
if (argc >= 2) {
r = safe_atoi(argv[1], &I);
if (r < 0)
log_info("Could not parse loop count argument. Using default.");
}
log_info("Running %d loops", I);
assert_se(mkdtemp(t));
(void) chattr_path(t, FS_NOCOW_FL, FS_NOCOW_FL, NULL);
for (i = 0; i < I; i++) {
r = sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY);
assert_se(r == 0);
sd_journal_close(j);
r = sd_journal_open_directory(&j, t, 0);
assert_se(r == 0);
sd_journal_close(j);
j = NULL;
r = sd_journal_open_directory(&j, t, SD_JOURNAL_LOCAL_ONLY);
assert_se(r == -EINVAL);
assert_se(j == NULL);
}
assert_se(rm_rf(t, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);
return 0;
}
static void
tlog_journal_json_reader_cleanup(struct tlog_json_reader *reader)
{
struct tlog_journal_json_reader *journal_json_reader =
(struct tlog_journal_json_reader*)reader;
if (journal_json_reader->tok != NULL) {
json_tokener_free(journal_json_reader->tok);
journal_json_reader->tok = NULL;
}
if (journal_json_reader->journal != NULL) {
sd_journal_close(journal_json_reader->journal);
journal_json_reader->journal = NULL;
}
}
int main(int argc, char *argv[]) {
_cleanup_free_ char *fn = NULL;
char dn[] = "/var/tmp/test-journal-flush.XXXXXX";
JournalFile *new_journal = NULL;
sd_journal *j = NULL;
unsigned n = 0;
int r;
assert_se(mkdtemp(dn));
fn = strappend(dn, "/test.journal");
r = journal_file_open(-1, fn, O_CREAT|O_RDWR, 0644, false, false, NULL, NULL, NULL, NULL, &new_journal);
assert_se(r >= 0);
r = sd_journal_open(&j, 0);
assert_se(r >= 0);
sd_journal_set_data_threshold(j, 0);
SD_JOURNAL_FOREACH(j) {
Object *o;
JournalFile *f;
f = j->current_file;
assert_se(f && f->current_offset > 0);
r = journal_file_move_to_object(f, OBJECT_ENTRY, f->current_offset, &o);
assert_se(r >= 0);
r = journal_file_copy_entry(f, new_journal, o, f->current_offset, NULL, NULL, NULL);
assert_se(r >= 0);
n++;
if (n > 10000)
break;
}
sd_journal_close(j);
(void) journal_file_close(new_journal);
unlink(fn);
assert_se(rmdir(dn) == 0);
return 0;
}
int main(int argc, char *argv[]) {
JournalFile *one, *two, *three;
char t[] = "/tmp/journal-stream-XXXXXX";
unsigned i;
sd_journal *j;
char *z;
const void *data;
size_t l;
log_set_max_level(LOG_DEBUG);
assert_se(mkdtemp(t));
assert_se(chdir(t) >= 0);
assert_se(journal_file_open("one.journal", O_RDWR|O_CREAT, 0666, true, false, NULL, NULL, NULL, &one) == 0);
assert_se(journal_file_open("two.journal", O_RDWR|O_CREAT, 0666, true, false, NULL, NULL, NULL, &two) == 0);
assert_se(journal_file_open("three.journal", O_RDWR|O_CREAT, 0666, true, false, NULL, NULL, NULL, &three) == 0);
for (i = 0; i < N_ENTRIES; i++) {
char *p, *q;
dual_timestamp ts;
struct iovec iovec[2];
dual_timestamp_get(&ts);
assert_se(asprintf(&p, "NUMBER=%u", i) >= 0);
iovec[0].iov_base = p;
iovec[0].iov_len = strlen(p);
assert_se(asprintf(&q, "MAGIC=%s", i % 5 == 0 ? "quux" : "waldo") >= 0);
iovec[1].iov_base = q;
iovec[1].iov_len = strlen(q);
if (i % 10 == 0)
assert_se(journal_file_append_entry(three, &ts, iovec, 2, NULL, NULL, NULL) == 0);
else {
if (i % 3 == 0)
assert_se(journal_file_append_entry(two, &ts, iovec, 2, NULL, NULL, NULL) == 0);
assert_se(journal_file_append_entry(one, &ts, iovec, 2, NULL, NULL, NULL) == 0);
}
free(p);
free(q);
}
journal_file_close(one);
journal_file_close(two);
journal_file_close(three);
assert_se(sd_journal_open_directory(&j, t, 0) >= 0);
assert_se(sd_journal_add_match(j, "MAGIC=quux", 0) >= 0);
SD_JOURNAL_FOREACH_BACKWARDS(j) {
char *c;
assert_se(sd_journal_get_data(j, "NUMBER", &data, &l) >= 0);
printf("\t%.*s\n", (int) l, (const char*) data);
assert_se(sd_journal_get_cursor(j, &c) >= 0);
assert_se(sd_journal_test_cursor(j, c) > 0);
free(c);
}
SD_JOURNAL_FOREACH(j) {
char *c;
assert_se(sd_journal_get_data(j, "NUMBER", &data, &l) >= 0);
printf("\t%.*s\n", (int) l, (const char*) data);
assert_se(sd_journal_get_cursor(j, &c) >= 0);
assert_se(sd_journal_test_cursor(j, c) > 0);
free(c);
}
sd_journal_flush_matches(j);
verify_contents(j, 1);
printf("NEXT TEST\n");
assert_se(sd_journal_add_match(j, "MAGIC=quux", 0) >= 0);
assert_se(z = journal_make_match_string(j));
printf("resulting match expression is: %s\n", z);
free(z);
verify_contents(j, 5);
printf("NEXT TEST\n");
sd_journal_flush_matches(j);
assert_se(sd_journal_add_match(j, "MAGIC=waldo", 0) >= 0);
assert_se(sd_journal_add_match(j, "NUMBER=10", 0) >= 0);
assert_se(sd_journal_add_match(j, "NUMBER=11", 0) >= 0);
assert_se(sd_journal_add_match(j, "NUMBER=12", 0) >= 0);
assert_se(z = journal_make_match_string(j));
printf("resulting match expression is: %s\n", z);
free(z);
verify_contents(j, 0);
assert_se(sd_journal_query_unique(j, "NUMBER") >= 0);
SD_JOURNAL_FOREACH_UNIQUE(j, data, l)
printf("%.*s\n", (int) l, (const char*) data);
sd_journal_close(j);
assert_se(rm_rf_dangerous(t, false, true, false) >= 0);
return 0;
}
QStringList UnitModel::getLastJrnlEntries(QString unit) const
{
QString match1, match2;
int r, jflags;
QStringList reply;
const void *data;
size_t length;
uint64_t time;
sd_journal *journal;
if (!userBus.isEmpty())
{
match1 = QString("USER_UNIT=" + unit);
jflags = (SD_JOURNAL_LOCAL_ONLY | SD_JOURNAL_CURRENT_USER);
}
else
{
match1 = QString("_SYSTEMD_UNIT=" + unit);
match2 = QString("UNIT=" + unit);
jflags = (SD_JOURNAL_LOCAL_ONLY | SD_JOURNAL_SYSTEM);
}
r = sd_journal_open(&journal, jflags);
if (r != 0)
{
qDebug() << "Failed to open journal";
return reply;
}
sd_journal_flush_matches(journal);
r = sd_journal_add_match(journal, match1.toUtf8(), 0);
if (r != 0)
return reply;
if (!match2.isEmpty())
{
sd_journal_add_disjunction(journal);
r = sd_journal_add_match(journal, match2.toUtf8(), 0);
if (r != 0)
return reply;
}
r = sd_journal_seek_tail(journal);
if (r != 0)
return reply;
// Fetch the last 5 entries
for (int i = 0; i < 5; ++i)
{
r = sd_journal_previous(journal);
if (r == 1)
{
QString line;
// Get the date and time
r = sd_journal_get_realtime_usec(journal, &time);
if (r == 0)
{
QDateTime date;
date.setMSecsSinceEpoch(time/1000);
line.append(date.toString("yyyy.MM.dd hh:mm"));
}
// Color messages according to priority
r = sd_journal_get_data(journal, "PRIORITY", &data, &length);
if (r == 0)
{
int prio = QString::fromUtf8((const char *)data, length).section('=',1).toInt();
if (prio <= 3)
line.append("<span style='color:tomato;'>");
else if (prio == 4)
line.append("<span style='color:khaki;'>");
else
line.append("<span style='color:palegreen;'>");
}
// Get the message itself
r = sd_journal_get_data(journal, "MESSAGE", &data, &length);
if (r == 0)
{
line.append(": " + QString::fromUtf8((const char *)data, length).section('=',1) + "</span>");
if (line.length() > 195)
line = QString(line.left(195) + "..." + "</span>");
reply << line;
}
}
else // previous failed, no more entries
return reply;
}
sd_journal_close(journal);
return reply;
}
int main(int argc, char *argv[]) {
int r;
sd_journal *j = NULL;
unsigned line = 0;
bool need_seek = false;
sd_id128_t previous_boot_id;
bool previous_boot_id_valid = false;
bool have_pager;
log_parse_environment();
log_open();
r = parse_argv(argc, argv);
if (r <= 0)
goto finish;
if (arg_new_id128) {
r = generate_new_id128();
goto finish;
}
#ifdef HAVE_ACL
if (!arg_quiet && geteuid() != 0 && in_group("adm") <= 0)
log_warning("Showing user generated messages only. Users in the group 'adm' can see all messages. Pass -q to turn this message off.");
#endif
if (arg_directory)
r = sd_journal_open_directory(&j, arg_directory, 0);
else
r = sd_journal_open(&j, arg_local ? SD_JOURNAL_LOCAL_ONLY : 0);
if (r < 0) {
log_error("Failed to open journal: %s", strerror(-r));
goto finish;
}
if (arg_print_header) {
journal_print_header(j);
r = 0;
goto finish;
}
r = add_this_boot(j);
if (r < 0)
goto finish;
r = add_matches(j, argv + optind);
if (r < 0)
goto finish;
if (!arg_quiet) {
usec_t start, end;
char start_buf[FORMAT_TIMESTAMP_MAX], end_buf[FORMAT_TIMESTAMP_MAX];
r = sd_journal_get_cutoff_realtime_usec(j, &start, &end);
if (r < 0) {
log_error("Failed to get cutoff: %s", strerror(-r));
goto finish;
}
if (r > 0) {
if (arg_follow)
printf("Logs begin at %s.\n", format_timestamp(start_buf, sizeof(start_buf), start));
else
printf("Logs begin at %s, end at %s.\n",
format_timestamp(start_buf, sizeof(start_buf), start),
format_timestamp(end_buf, sizeof(end_buf), end));
}
}
if (arg_lines >= 0) {
r = sd_journal_seek_tail(j);
if (r < 0) {
log_error("Failed to seek to tail: %s", strerror(-r));
goto finish;
}
r = sd_journal_previous_skip(j, arg_lines);
} else {
r = sd_journal_seek_head(j);
if (r < 0) {
log_error("Failed to seek to head: %s", strerror(-r));
goto finish;
}
r = sd_journal_next(j);
}
if (r < 0) {
log_error("Failed to iterate through journal: %s", strerror(-r));
goto finish;
}
have_pager = !arg_no_pager && !arg_follow;
if (have_pager) {
columns();
pager_open();
}
if (arg_output == OUTPUT_JSON) {
fputc('[', stdout);
fflush(stdout);
}
for (;;) {
for (;;) {
sd_id128_t boot_id;
int flags = (arg_show_all*OUTPUT_SHOW_ALL |
have_pager*OUTPUT_FULL_WIDTH);
if (need_seek) {
r = sd_journal_next(j);
if (r < 0) {
log_error("Failed to iterate through journal: %s", strerror(-r));
goto finish;
}
}
if (r == 0)
break;
r = sd_journal_get_monotonic_usec(j, NULL, &boot_id);
if (r >= 0) {
if (previous_boot_id_valid &&
!sd_id128_equal(boot_id, previous_boot_id))
printf(ANSI_HIGHLIGHT_ON "----- Reboot -----" ANSI_HIGHLIGHT_OFF "\n");
previous_boot_id = boot_id;
previous_boot_id_valid = true;
}
line ++;
r = output_journal(j, arg_output, line, 0, flags);
if (r < 0)
goto finish;
need_seek = true;
}
if (!arg_follow)
break;
r = sd_journal_wait(j, (uint64_t) -1);
if (r < 0) {
log_error("Couldn't wait for log event: %s", strerror(-r));
goto finish;
}
}
if (arg_output == OUTPUT_JSON)
fputs("\n]\n", stdout);
finish:
if (j)
sd_journal_close(j);
pager_close();
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}