mirror of https://github.com/minio/minio.git
50 lines
913 B
Go
50 lines
913 B
Go
package data_v1
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import (
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"bytes"
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"encoding/binary"
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"encoding/gob"
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"io"
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)
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type DataHeader struct {
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Key string
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Part int
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Metadata map[string]string
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EncoderParams EncoderParams
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}
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type EncoderTechnique int
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const (
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VANDERMONDE EncoderTechnique = iota
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CAUCHY
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)
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type EncoderParams struct {
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Length int
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K uint8
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M uint8
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Technique EncoderTechnique
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}
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func Write(target io.Writer, header DataHeader, data io.Reader) error {
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var headerBuffer bytes.Buffer
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// encode header
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encoder := gob.NewEncoder(&headerBuffer)
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encoder.Encode(header)
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// write length of header
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if err := binary.Write(target, binary.LittleEndian, headerBuffer.Len()); err != nil {
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return err
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}
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// write encoded header
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if _, err := io.Copy(target, &headerBuffer); err != nil {
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return err
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}
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// write data
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if _, err := io.Copy(target, data); err != nil {
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return err
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}
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return nil
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}
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