Golang sd_journal_next_skip示例

示例#1

文件： journal.go 项目： mheese/go-systemd

// 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
}

示例#2

文件： service.go 项目： teh/elastic-journald

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)))
		}
	}
}

示例#3

文件： service.go 项目： iavael/elastic-journald

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))
		}
	}
}