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;
}
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_init(Journal *self, PyObject *args, PyObject *keywds)
{
int flags=SD_JOURNAL_LOCAL_ONLY;
char *path=NULL;
PyObject *default_call=NULL, *call_dict=NULL;
static char *kwlist[] = {"flags", "default_call", "call_dict", "path", NULL};
if (! PyArg_ParseTupleAndKeywords(args, keywds, "|iOOs", kwlist,
&flags, &default_call, &call_dict, &path))
return 1;
if (default_call) {
if (PyCallable_Check(default_call) || default_call == Py_None) {
Py_DECREF(self->default_call);
self->default_call = default_call;
Py_INCREF(self->default_call);
} else {
PyErr_SetString(PyExc_TypeError, "Default call not callable");
return 1;
}
}
if (call_dict) {
if (PyDict_Check(call_dict)) {
Py_DECREF(self->call_dict);
self->call_dict = call_dict;
Py_INCREF(self->call_dict);
} else if (call_dict == Py_None) {
Py_DECREF(self->call_dict);
self->call_dict = PyDict_New();
} else {
PyErr_SetString(PyExc_TypeError, "Call dictionary must be dict type");
return 1;
}
}
int r;
if (path) {
r = sd_journal_open_directory(&self->j, path, 0);
} else {
Py_BEGIN_ALLOW_THREADS
r = sd_journal_open(&self->j, flags);
Py_END_ALLOW_THREADS
}
if (r == -EINVAL) {
PyErr_SetString(PyExc_ValueError, "Invalid flags or path");
return -1;
} else if (r == -ENOMEM) {
PyErr_SetString(PyExc_MemoryError, "Not enough memory");
return 1;
} else if (r < 0) {
PyErr_SetString(PyExc_RuntimeError, "Error opening journal");
return 1;
}
return 0;
}
static int journal_open (lua_State *L) {
int err;
int flags = luaL_optinteger(L, 1, 0);
sd_journal **j = lua_newuserdata(L, sizeof(sd_journal*));
err = sd_journal_open(j, flags);
if (err != 0) return handle_error(L, -err);
luaL_setmetatable(L, JOURNAL_METATABLE);
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;
}
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;
}
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;
}
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[]) {
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;
}
int main(int argc, char** argv){
int r;
char* end;
sd_journal *j;
riemann_client_t *c;
riemann_message_t *req, *res;
riemann_event_t *event;
int after_wait = 0;
r = sd_journal_open(&j, 0);
assert(r == 0);
if(argc != 3 && argc != 6){
fprintf(stderr,"usage: journal2riemann <host> <port> [<ca-file> <cert-file> <key-file>]\n");
fprintf(stderr,"example: journal2riemann 127.0.0.1 5555\n");
exit(1);
}
long port = strtol(argv[2],&end,10);
if(argc >= 6){
c = riemann_client_create (
RIEMANN_CLIENT_TLS, argv[1], port,
RIEMANN_CLIENT_OPTION_TLS_CA_FILE, argv[3],
RIEMANN_CLIENT_OPTION_TLS_CERT_FILE, argv[4],
RIEMANN_CLIENT_OPTION_TLS_KEY_FILE, argv[5],
RIEMANN_CLIENT_OPTION_TLS_HANDSHAKE_TIMEOUT, 10000,
RIEMANN_CLIENT_OPTION_NONE);
}else{
c = riemann_client_create (RIEMANN_CLIENT_TCP, argv[1], port);
}
r = sd_journal_seek_tail(j);
assert(r == 0);
for (;;) {
const void *field; size_t len;
r = sd_journal_next(j); assert (r >= 0);
if (r == 0) { // if no more log available, wait for new ones
r = sd_journal_wait(j, (uint64_t) -1);
assert (r >= 0);
after_wait = 1;
continue;
}
else if (!after_wait){ // skip all logs before the first wait
continue;
}
event = riemann_event_create(RIEMANN_EVENT_FIELD_NONE);
strncpy(servicename,"journal",8);
SD_JOURNAL_FOREACH_DATA(j, field, len){
char* attr = ""; enum RiemannType type; void* val;
int matched = NOMATCH;
MATCH(F,RIEMANN_EVENT_FIELD_DESCRIPTION , STRING , "MESSAGE=")
MATCH(A,"message_id" , STRING , "MESSAGE_ID=")
MATCH(F,RIEMANN_EVENT_FIELD_STATE , STATE , "PRIORITY=")
MATCH(F,MATCHNOTHING , STRING , "CODE_FILE=")
MATCH(F,MATCHNOTHING , STRING , "CODE_LINE=")
MATCH(F,MATCHNOTHING , STRING , "CODE_FUNC=")
MATCH(F,MATCHNOTHING , STRING , "ERRNO=")
MATCH(F,MATCHNOTHING , STRING , "SYSLOG_FACILITY=")
MATCH(F,MATCHNOTHING , STRING , "SYSLOG_IDENTIFIER=")
MATCH(F,MATCHNOTHING , STRING , "SYSLOG_PID=")
MATCH(F,MATCHNOTHING , STRING , "_PID=")
MATCH(F,MATCHNOTHING , STRING , "_UID=")
MATCH(F,MATCHNOTHING , STRING , "_GID=")
MATCH(F,MATCHNOTHING , STRING , "_COMM=")
MATCH(F,MATCHNOTHING , STRING , "_EXE=")
MATCH(A,"command_line" , STRING , "_CMDLINE=")
MATCH(F,MATCHNOTHING , STRING , "_CAP_EFFECTIVE=")
MATCH(F,MATCHNOTHING , STRING , "_AUDIT_SESSION=")
MATCH(F,MATCHNOTHING , STRING , "_AUDIT_LOGINUID=")
MATCH(F,MATCHNOTHING , STRING , "_SYSTEMD_CGROUP=")
MATCH(F,MATCHNOTHING , STRING , "_SYSTEMD_SESSION=")
MATCH(F,SERVICEPART , STRING , "_SYSTEMD_UNIT=")
MATCH(F,MATCHNOTHING , STRING , "_SYSTEMD_USER_UNIT=")
MATCH(F,MATCHNOTHING , STRING , "_SYSTEMD_OWNER_UID=")
MATCH(F,MATCHNOTHING , STRING , "_SYSTEMD_SLICE=")
MATCH(F,MATCHNOTHING , STRING , "_SELINUX_CONTEXT=")
MATCH(F,RIEMANN_EVENT_FIELD_TIME , TIME , "_SOURCE_REALTIME_TIMESTAMP=")
MATCH(F,MATCHNOTHING , STRING , "_BOOT_ID=")
MATCH(F,MATCHNOTHING , STRING , "_MACHINE_ID=")
MATCH(F,RIEMANN_EVENT_FIELD_HOST , STRING , "_HOSTNAME=")
MATCH(F,MATCHNOTHING , STRING , "_TRANSPORT=")
MATCH(F,MATCHNOTHING , STRING , "_KERNEL_DEVICE=")
MATCH(F,MATCHNOTHING , STRING , "_KERNEL_SUBSYSTEM=")
MATCH(F,MATCHNOTHING , STRING , "_UDEV_SYSNAME=")
MATCH(F,MATCHNOTHING , STRING , "_UDEV_DEVNODE=")
MATCH(F,MATCHNOTHING , STRING , "_UDEV_DEVLINK=")
MATCH(F,MATCHNOTHING , STRING , "COREDUMP_UNIT=")
MATCH(F,MATCHNOTHING , STRING , "COREDUMP_USER_UNIT=")
MATCH(F,MATCHNOTHING , STRING , "OBJECT_UID=")
MATCH(F,MATCHNOTHING , STRING , "OBJECT_GID=")
MATCH(F,MATCHNOTHING , STRING , "OBJECT_COMM=")
MATCH(F,MATCHNOTHING , STRING , "OBJECT_EXE=")
MATCH(F,MATCHNOTHING , STRING , "OBJECT_CMDLINE=")
MATCH(F,MATCHNOTHING , STRING , "OBJECT_AUDIT_SESSION=")
MATCH(F,MATCHNOTHING , STRING , "OBJECT_AUDIT_LOGINUID=")
MATCH(F,MATCHNOTHING , STRING , "OBJECT_SYSTEMD_CGROUP=")
MATCH(F,MATCHNOTHING , STRING , "OBJECT_SYSTEMD_SESSION=")
MATCH(F,MATCHNOTHING , STRING , "OBJECT_SYSTEMD_OWNER_UID=")
MATCH(F,MATCHNOTHING , STRING , "OBJECT_SYSTEMD_UNIT=")
MATCH(F,MATCHNOTHING , STRING , "OBJECT_SYSTEMD_USER_UNIT=")
MATCH(F,MATCHNOTHING , STRING , "__CURSOR=")
MATCH(F,MATCHNOTHING , STRING , "__REALTIME_TIMESTAMP=")
MATCH(F,MATCHNOTHING , STRING , "__MONOTONIC_TIMESTAMP=")
if(matched != MATCHNOTHING && matched != NOMATCH){
memcpy(valuebuf,field,len); *(valuebuf+len) = 0;
switch(type){
case STATE:
val = (void*) states[atoi(valuebuf)];
break;
case TIME:
*(valuebuf+len-6) = 0;
long t = strtol(valuebuf,&end,10);
val = (int64_t) t;
break;
default:
val = (void*) valuebuf;
}
switch(matched){
case ATTRIBUTE:
riemann_event_string_attribute_add(event,attr,valuebuf); break;
case TAG:
riemann_event_tag_add(event,valuebuf); break;
case SERVICEPART:
if(len > 0){
strncat(servicename," ",2);
strncat(servicename,valuebuf,len+1);
}
break;
default:
riemann_event_set(event,matched,val,RIEMANN_EVENT_FIELD_NONE);
}
}
}
riemann_event_set(event,RIEMANN_EVENT_FIELD_SERVICE,servicename,RIEMANN_EVENT_FIELD_NONE);
req = riemann_message_create_with_events(event, NULL);
res = riemann_communicate(c, req);
if (!res)
{
fprintf (stderr, "Error communicating with Riemann: %s\n",
strerror (errno));
exit (1);
}
if (res->error)
{
fprintf (stderr, "Error communicating with Riemann: %s\n",
res->error);
exit (1);
}
if (res->has_ok && !res->ok)
{
fprintf (stderr, "Error communicating with Riemann: %s\n",
strerror (errno));
exit (1);
}
riemann_message_free(res);
}
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;
}
void
systemd_init(pmdaInterface *dp)
{
int sts;
int journal_fd;
dp->version.six.desc = systemd_desc;
dp->version.six.fetch = systemd_fetch;
dp->version.six.text = systemd_text;
dp->version.six.attribute = systemd_contextAttributeCallBack;
pmdaSetFetchCallBack(dp, systemd_fetchCallBack);
pmdaSetEndContextCallBack(dp, systemd_end_contextCallBack);
pmdaInit(dp, NULL, 0, metrictab, sizeof(metrictab)/sizeof(metrictab[0]));
/* Initialize the systemd side. This is failure-tolerant. */
/* XXX: SD_JOURNAL_{LOCAL|RUNTIME|SYSTEM}_ONLY */
sts = sd_journal_open(& journald_context, 0);
if (sts < 0) {
__pmNotifyErr(LOG_ERR, "sd_journal_open failure: %s",
strerror(-sts));
dp->status = sts;
return;
}
sts = sd_journal_open(& journald_context_seeky, 0);
if (sts < 0) {
__pmNotifyErr(LOG_ERR, "sd_journal_open #2 failure: %s",
strerror(-sts));
dp->status = sts;
return;
}
sts = sd_journal_seek_tail(journald_context);
if (sts < 0) {
__pmNotifyErr(LOG_ERR, "sd_journal_seek_tail failure: %s",
strerror(-sts));
}
/* Work around RHBZ979487. */
sts = sd_journal_previous_skip(journald_context, 1);
if (sts < 0) {
__pmNotifyErr(LOG_ERR, "sd_journal_previous_skip failure: %s",
strerror(-sts));
}
/* Arrange to wake up for journal events. */
journal_fd = sd_journal_get_fd(journald_context);
if (journal_fd < 0) {
__pmNotifyErr(LOG_ERR, "sd_journal_get_fd failure: %s",
strerror(-journal_fd));
/* NB: not a fatal error; the select() loop will still time out and
periodically poll. This makes it ok for sd_journal_reliable_fd()
to be 0. */
} else {
FD_SET(journal_fd, &fds);
if (journal_fd > maxfd) maxfd = journal_fd;
}
/* NB: One queue is used for both .records and .records_raw; they
just use different decoder callbacks. */
queue_entries = pmdaEventNewQueue("systemd", maxmem);
if (queue_entries < 0)
__pmNotifyErr(LOG_ERR, "pmdaEventNewQueue failure: %s",
pmErrStr(queue_entries));
}
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;
}
