// Wait will synchronously wait until the journal gets changed. The maximum time
// this call sleeps may be controlled with the timeout parameter.
func (j *Journal) Wait(timeout time.Duration) int {
to := uint64(time.Now().Add(timeout).Unix() / 1000)
j.mu.Lock()
r := C.sd_journal_wait(j.cjournal, C.uint64_t(to))
j.mu.Unlock()
return int(r)
}
// Wait will synchronously wait until the journal gets changed. The maximum time
// this call sleeps may be controlled with the timeout parameter. If
// sdjournal.IndefiniteWait is passed as the timeout parameter, Wait will
// wait indefinitely for a journal change.
func (j *Journal) Wait(timeout time.Duration) int {
var to uint64
if timeout == IndefiniteWait {
// sd_journal_wait(3) calls for a (uint64_t) -1 to be passed to signify
// indefinite wait, but using a -1 overflows our C.uint64_t, so we use an
// equivalent hex value.
to = 0xffffffffffffffff
} else {
to = uint64(time.Now().Add(timeout).Unix() / 1000)
}
j.mu.Lock()
r := C.sd_journal_wait(j.cjournal, C.uint64_t(to))
j.mu.Unlock()
return int(r)
}
func (s *Service) ProcessStream(hostname *string) {
s.Indexer.Start()
defer s.Indexer.Stop()
for {
r := C.sd_journal_next(s.Journal)
if r < 0 {
panic(fmt.Sprintf("failed to iterate to next entry: %s", C.strerror(-r)))
}
if r == 0 {
r = C.sd_journal_wait(s.Journal, 1000000)
if r < 0 {
panic(fmt.Sprintf("failed to wait for changes: %s", C.strerror(-r)))
}
continue
}
s.ProcessEntry(hostname)
}
}
func (s *Service) ProcessStream() {
s.Indexer.Start()
defer s.Indexer.Stop()
for {
r := C.sd_journal_next(s.Journal)
if r < 0 {
log.Fatalf("failed to iterate to next entry: %s\n", C.strerror(-r))
}
if r == 0 {
r = C.sd_journal_wait(s.Journal, 1000000)
if r < 0 {
log.Fatalf("failed to wait for changes: %s\n", C.strerror(-r))
}
continue
}
s.ProcessEntry()
}
}