Golang Snapshot.Marshal示例

示例#1

文件： snapshotter.go 项目： CliffYuan/etcd

func (s *Snapshotter) save(snapshot *raftpb.Snapshot) error {
	start := time.Now()

	fname := fmt.Sprintf("%016x-%016x%s", snapshot.Metadata.Term, snapshot.Metadata.Index, snapSuffix)
	b := pbutil.MustMarshal(snapshot)
	crc := crc32.Update(0, crcTable, b)
	snap := snappb.Snapshot{Crc: crc, Data: b}
	d, err := snap.Marshal()
	if err != nil {
		return err
	} else {
		marshallingDurations.Observe(float64(time.Since(start)) / float64(time.Second))
	}

	err = pioutil.WriteAndSyncFile(path.Join(s.dir, fname), d, 0666)
	if err == nil {
		saveDurations.Observe(float64(time.Since(start)) / float64(time.Second))
	} else {
		err1 := os.Remove(path.Join(s.dir, fname))
		if err1 != nil {
			plog.Errorf("failed to remove broken snapshot file %s", path.Join(s.dir, fname))
		}
	}
	return err
}

示例#2

文件： snapshotter.go 项目： CedarLogic/arangodb

func (s *Snapshotter) save(snapshot *raftpb.Snapshot) error {
	fname := fmt.Sprintf("%016x-%016x%s", snapshot.Metadata.Term, snapshot.Metadata.Index, snapSuffix)
	b := pbutil.MustMarshal(snapshot)
	crc := crc32.Update(0, crcTable, b)
	snap := snappb.Snapshot{Crc: crc, Data: b}
	d, err := snap.Marshal()
	if err != nil {
		return err
	}
	return ioutil.WriteFile(path.Join(s.dir, fname), d, 0666)
}

示例#3

文件： snapshotter.go 项目： Celluliodio/flannel

func (s *Snapshotter) save(snapshot *raftpb.Snapshot) error {
	start := time.Now()

	fname := fmt.Sprintf("%016x-%016x%s", snapshot.Metadata.Term, snapshot.Metadata.Index, snapSuffix)
	b := pbutil.MustMarshal(snapshot)
	crc := crc32.Update(0, crcTable, b)
	snap := snappb.Snapshot{Crc: crc, Data: b}
	d, err := snap.Marshal()
	if err != nil {
		return err
	}
	err = ioutil.WriteFile(path.Join(s.dir, fname), d, 0666)
	if err == nil {
		saveDurations.Observe(float64(time.Since(start).Nanoseconds() / int64(time.Microsecond)))
	}
	return err
}