// NextSkip advances the read pointer by multiple entries at once,
// as specified by the skip parameter.
func (j *Journal) NextSkip(skip uint64) (uint64, error) {
j.mu.Lock()
r := C.sd_journal_next_skip(j.cjournal, C.uint64_t(skip))
j.mu.Unlock()
if r < 0 {
return uint64(r), fmt.Errorf("failed to iterate journal: %d", r)
}
return uint64(r), nil
}
func (s *Service) InitJournal() {
r := C.sd_journal_open(&s.Journal, C.SD_JOURNAL_LOCAL_ONLY)
if r < 0 {
panic(fmt.Sprintf("failed to open journal: %s", C.strerror(-r)))
}
bytes, err := ioutil.ReadFile(*elasticCursorFile)
if err == nil {
s.Cursor = string(bytes)
}
if s.Cursor != "" {
r = C.sd_journal_seek_cursor(s.Journal, C.CString(s.Cursor))
if r < 0 {
panic(fmt.Sprintf("failed to seek journal: %s", C.strerror(-r)))
}
r = C.sd_journal_next_skip(s.Journal, 1)
if r < 0 {
panic(fmt.Sprintf("failed to skip current journal entry: %s", C.strerror(-r)))
}
}
}
func (s *Service) InitJournal() {
r := C.sd_journal_open(&s.Journal, C.SD_JOURNAL_LOCAL_ONLY)
if r < 0 {
log.Fatalf("failed to open journal: %s\n", C.strerror(-r))
}
bytes, err := ioutil.ReadFile(s.Config.State)
if err == nil {
s.Cursor = string(bytes)
}
if s.Cursor != "" {
r = C.sd_journal_seek_cursor(s.Journal, C.CString(s.Cursor))
if r < 0 {
log.Fatalf("failed to seek journal: %s\n", C.strerror(-r))
}
r = C.sd_journal_next_skip(s.Journal, 1)
if r < 0 {
log.Fatalf("failed to skip current journal entry: %s\n", C.strerror(-r))
}
}
}