Golang Record.MarshalTo示例

示例#1

文件： encoder.go 项目： CNDonny/scope

func (e *encoder) encode(rec *walpb.Record) error {
	e.mu.Lock()
	defer e.mu.Unlock()

	e.crc.Write(rec.Data)
	rec.Crc = e.crc.Sum32()
	var (
		data []byte
		err  error
		n    int
	)

	if rec.Size() > len(e.buf) {
		data, err = rec.Marshal()
		if err != nil {
			return err
		}
	} else {
		n, err = rec.MarshalTo(e.buf)
		if err != nil {
			return err
		}
		data = e.buf[:n]
	}
	if err := writeInt64(e.bw, int64(len(data)), e.uint64buf); err != nil {
		return err
	}
	_, err = e.bw.Write(data)
	return err
}

示例#2

文件： encoder.go 项目： kubernetes/kubernetes

func (e *encoder) encode(rec *walpb.Record) error {
	e.mu.Lock()
	defer e.mu.Unlock()

	e.crc.Write(rec.Data)
	rec.Crc = e.crc.Sum32()
	var (
		data []byte
		err  error
		n    int
	)

	if rec.Size() > len(e.buf) {
		data, err = rec.Marshal()
		if err != nil {
			return err
		}
	} else {
		n, err = rec.MarshalTo(e.buf)
		if err != nil {
			return err
		}
		data = e.buf[:n]
	}

	lenField, padBytes := encodeFrameSize(len(data))
	if err = writeUint64(e.bw, lenField, e.uint64buf); err != nil {
		return err
	}

	if padBytes != 0 {
		data = append(data, make([]byte, padBytes)...)
	}
	_, err = e.bw.Write(data)
	return err
}