int main(int argc, char *argv[]) {
unsigned n = 0;
_cleanup_journal_close_ sd_journal*j = NULL;
log_set_max_level(LOG_DEBUG);
assert_se(sd_journal_open(&j, SD_JOURNAL_LOCAL_ONLY) >= 0);
assert_se(sd_journal_add_match(j, "_TRANSPORT=syslog", 0) >= 0);
assert_se(sd_journal_add_match(j, "_UID=0", 0) >= 0);
SD_JOURNAL_FOREACH_BACKWARDS(j) {
const void *d;
size_t l;
assert_se(sd_journal_get_data(j, "MESSAGE", &d, &l) >= 0);
printf("%.*s\n", (int) l, (char*) d);
n ++;
if (n >= 10)
break;
}
return 0;
}
static int add_matches(sd_journal *j, char **args) {
char **i;
int r;
assert(j);
STRV_FOREACH(i, args) {
if (streq(*i, "+"))
r = sd_journal_add_disjunction(j);
else if (path_is_absolute(*i)) {
char *p;
const char *path;
struct stat st;
p = canonicalize_file_name(*i);
path = p ? p : *i;
if (stat(path, &st) < 0) {
free(p);
log_error("Couldn't stat file: %m");
return -errno;
}
if (S_ISREG(st.st_mode) && (0111 & st.st_mode)) {
char *t;
t = strappend("_EXE=", path);
if (!t) {
free(p);
log_error("Out of memory");
return -ENOMEM;
}
r = sd_journal_add_match(j, t, 0);
free(t);
} else {
free(p);
log_error("File is not a regular file or is not executable: %s", *i);
return -EINVAL;
}
free(p);
} else
r = sd_journal_add_match(j, *i, 0);
if (r < 0) {
log_error("Failed to add match '%s': %s", *i, strerror(-r));
return r;
}
}
return 0;
}
static int add_match(sd_journal *j, const char *match) {
_cleanup_free_ char *p = NULL;
const char* prefix, *pattern;
pid_t pid;
int r;
if (strchr(match, '='))
prefix = "";
else if (strchr(match, '/')) {
r = path_make_absolute_cwd(match, &p);
if (r < 0)
return log_error_errno(r, "path_make_absolute_cwd(\"%s\"): %m", match);
match = p;
prefix = "COREDUMP_EXE=";
} else if (parse_pid(match, &pid) >= 0)
prefix = "COREDUMP_PID=";
else
prefix = "COREDUMP_COMM=";
pattern = strjoina(prefix, match);
log_debug("Adding match: %s", pattern);
r = sd_journal_add_match(j, pattern, 0);
if (r < 0)
return log_error_errno(r, "Failed to add match \"%s\": %m", match);
return 0;
}
static int add_matches(sd_journal *j, char **matches) {
char **match;
int r;
r = sd_journal_add_match(j, "MESSAGE_ID=" SD_MESSAGE_COREDUMP_STR, 0);
if (r < 0)
return log_error_errno(r, "Failed to add match \"%s\": %m", "MESSAGE_ID=" SD_MESSAGE_COREDUMP_STR);
r = sd_journal_add_match(j, "MESSAGE_ID=" SD_MESSAGE_BACKTRACE_STR, 0);
if (r < 0)
return log_error_errno(r, "Failed to add match \"%s\": %m", "MESSAGE_ID=" SD_MESSAGE_BACKTRACE_STR);
STRV_FOREACH(match, matches) {
r = add_match(j, *match);
if (r < 0)
return r;
}
static int add_matches(sd_journal *j, char **args) {
char **i;
assert(j);
STRV_FOREACH(i, args) {
int r;
if (streq(*i, "+"))
r = sd_journal_add_disjunction(j);
else if (path_is_absolute(*i)) {
_cleanup_free_ char *p, *t = NULL;
const char *path;
struct stat st;
p = canonicalize_file_name(*i);
path = p ? p : *i;
if (stat(path, &st) < 0) {
log_error("Couldn't stat file: %m");
return -errno;
}
if (S_ISREG(st.st_mode) && (0111 & st.st_mode))
t = strappend("_EXE=", path);
else if (S_ISCHR(st.st_mode))
asprintf(&t, "_KERNEL_DEVICE=c%u:%u", major(st.st_rdev), minor(st.st_rdev));
else if (S_ISBLK(st.st_mode))
asprintf(&t, "_KERNEL_DEVICE=b%u:%u", major(st.st_rdev), minor(st.st_rdev));
else {
log_error("File is neither a device node, nor regular file, nor executable: %s", *i);
return -EINVAL;
}
if (!t)
return log_oom();
r = sd_journal_add_match(j, t, 0);
} else
r = sd_journal_add_match(j, *i, 0);
if (r < 0) {
log_error("Failed to add match '%s': %s", *i, strerror(-r));
return r;
}
}
static int journal_add_match (lua_State *L) {
sd_journal *j = check_journal(L, 1);
size_t size;
const char *data = luaL_checklstring(L, 2, &size);
int err = sd_journal_add_match(j, data, size);
if (err != 0) return handle_error(L, -err);
lua_pushboolean(L, 1);
return 1;
}
static int add_this_boot(sd_journal *j) {
char match[9+32+1] = "_BOOT_ID=";
sd_id128_t boot_id;
int r;
if (!arg_this_boot)
return 0;
r = sd_id128_get_boot(&boot_id);
if (r < 0) {
log_error("Failed to get boot id: %s", strerror(-r));
return r;
}
sd_id128_to_string(boot_id, match + 9);
r = sd_journal_add_match(j, match, strlen(match));
if (r < 0) {
log_error("Failed to add match: %s", strerror(-r));
return r;
}
return 0;
}
int main(int argc, char *argv[]) {
JournalFile *one, *two, *three;
char t[] = "/tmp/journal-stream-XXXXXX";
unsigned i;
_cleanup_journal_close_ sd_journal *j = NULL;
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, NULL, NULL, NULL, &one) == 0);
assert_se(journal_file_open("two.journal", O_RDWR|O_CREAT, 0666, true, NULL, NULL, NULL, &two) == 0);
assert_se(journal_file_open("three.journal", O_RDWR|O_CREAT, 0666, true, 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) {
_cleanup_free_ char *c = NULL;
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);
}
SD_JOURNAL_FOREACH(j) {
_cleanup_free_ char *c = NULL;
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);
}
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);
assert_se(rm_rf_dangerous(t, false, true, false) >= 0);
return 0;
}
int main(int argc, char *argv[]) {
_cleanup_journal_close_ sd_journal*j;
_cleanup_free_ char *t;
log_set_max_level(LOG_DEBUG);
assert_se(sd_journal_open(&j, 0) >= 0);
assert_se(sd_journal_add_match(j, "foobar", 0) < 0);
assert_se(sd_journal_add_match(j, "foobar=waldo", 0) < 0);
assert_se(sd_journal_add_match(j, "", 0) < 0);
assert_se(sd_journal_add_match(j, "=", 0) < 0);
assert_se(sd_journal_add_match(j, "=xxxxx", 0) < 0);
assert_se(sd_journal_add_match(j, "HALLO=WALDO", 0) >= 0);
assert_se(sd_journal_add_match(j, "QUUX=mmmm", 0) >= 0);
assert_se(sd_journal_add_match(j, "QUUX=xxxxx", 0) >= 0);
assert_se(sd_journal_add_match(j, "HALLO=", 0) >= 0);
assert_se(sd_journal_add_match(j, "QUUX=xxxxx", 0) >= 0);
assert_se(sd_journal_add_match(j, "QUUX=yyyyy", 0) >= 0);
assert_se(sd_journal_add_match(j, "PIFF=paff", 0) >= 0);
assert_se(sd_journal_add_disjunction(j) >= 0);
assert_se(sd_journal_add_match(j, "ONE=one", 0) >= 0);
assert_se(sd_journal_add_match(j, "ONE=two", 0) >= 0);
assert_se(sd_journal_add_match(j, "TWO=two", 0) >= 0);
assert_se(sd_journal_add_conjunction(j) >= 0);
assert_se(sd_journal_add_match(j, "L4_1=yes", 0) >= 0);
assert_se(sd_journal_add_match(j, "L4_1=ok", 0) >= 0);
assert_se(sd_journal_add_match(j, "L4_2=yes", 0) >= 0);
assert_se(sd_journal_add_match(j, "L4_2=ok", 0) >= 0);
assert_se(sd_journal_add_disjunction(j) >= 0);
assert_se(sd_journal_add_match(j, "L3=yes", 0) >= 0);
assert_se(sd_journal_add_match(j, "L3=ok", 0) >= 0);
assert_se(t = journal_make_match_string(j));
printf("resulting match expression is: %s\n", t);
assert_se(streq(t, "(((L3=ok OR L3=yes) OR ((L4_2=ok OR L4_2=yes) AND (L4_1=ok OR L4_1=yes))) AND ((TWO=two AND (ONE=two OR ONE=one)) OR (PIFF=paff AND (QUUX=yyyyy OR QUUX=xxxxx OR QUUX=mmmm) AND (HALLO= OR HALLO=WALDO))))"));
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[]) {
_cleanup_(sd_journal_closep) sd_journal *j = NULL;
_cleanup_free_ char *t;
test_setup_logging(LOG_DEBUG);
assert_se(sd_journal_open(&j, 0) >= 0);
assert_se(sd_journal_add_match(j, "foobar", 0) < 0);
assert_se(sd_journal_add_match(j, "foobar=waldo", 0) < 0);
assert_se(sd_journal_add_match(j, "", 0) < 0);
assert_se(sd_journal_add_match(j, "=", 0) < 0);
assert_se(sd_journal_add_match(j, "=xxxxx", 0) < 0);
assert_se(sd_journal_add_match(j, (uint8_t[4]){'A', '=', '\1', '\2'}, 4) >= 0);
assert_se(sd_journal_add_match(j, (uint8_t[5]){'B', '=', 'C', '\0', 'D'}, 5) >= 0);
assert_se(sd_journal_add_match(j, "HALLO=WALDO", 0) >= 0);
assert_se(sd_journal_add_match(j, "QUUX=mmmm", 0) >= 0);
assert_se(sd_journal_add_match(j, "QUUX=xxxxx", 0) >= 0);
assert_se(sd_journal_add_match(j, "HALLO=", 0) >= 0);
assert_se(sd_journal_add_match(j, "QUUX=xxxxx", 0) >= 0);
assert_se(sd_journal_add_match(j, "QUUX=yyyyy", 0) >= 0);
assert_se(sd_journal_add_match(j, "PIFF=paff", 0) >= 0);
assert_se(sd_journal_add_disjunction(j) >= 0);
assert_se(sd_journal_add_match(j, "ONE=one", 0) >= 0);
assert_se(sd_journal_add_match(j, "ONE=two", 0) >= 0);
assert_se(sd_journal_add_match(j, "TWO=two", 0) >= 0);
assert_se(sd_journal_add_conjunction(j) >= 0);
assert_se(sd_journal_add_match(j, "L4_1=yes", 0) >= 0);
assert_se(sd_journal_add_match(j, "L4_1=ok", 0) >= 0);
assert_se(sd_journal_add_match(j, "L4_2=yes", 0) >= 0);
assert_se(sd_journal_add_match(j, "L4_2=ok", 0) >= 0);
assert_se(sd_journal_add_disjunction(j) >= 0);
assert_se(sd_journal_add_match(j, "L3=yes", 0) >= 0);
assert_se(sd_journal_add_match(j, "L3=ok", 0) >= 0);
assert_se(t = journal_make_match_string(j));
printf("resulting match expression is: %s\n", t);
assert_se(streq(t, "(((L3=ok OR L3=yes) OR ((L4_2=ok OR L4_2=yes) AND (L4_1=ok OR L4_1=yes))) AND ((TWO=two AND (ONE=two OR ONE=one)) OR (PIFF=paff AND (QUUX=yyyyy OR QUUX=xxxxx OR QUUX=mmmm) AND (HALLO= OR HALLO=WALDO) AND B=C\\000D AND A=\\001\\002)))"));
return 0;
}
