mirror of
https://github.com/restic/restic.git
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+7
-8
@@ -125,15 +125,14 @@ func sendPacket(w io.Writer, m encoding.BinaryMarshaler) error {
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} else if debugDumpTxPacket {
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debug("send packet: %s %d bytes", fxp(bb[0]), len(bb))
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}
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l := uint32(len(bb))
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hdr := []byte{byte(l >> 24), byte(l >> 16), byte(l >> 8), byte(l)}
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_, err = w.Write(hdr)
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// Slide packet down 4 bytes to make room for length header.
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packet := append(bb, make([]byte, 4)...) // optimistically assume bb has capacity
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copy(packet[4:], bb)
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binary.BigEndian.PutUint32(packet[:4], uint32(len(bb)))
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_, err = w.Write(packet)
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if err != nil {
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return errors.Errorf("failed to send packet header: %v", err)
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}
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_, err = w.Write(bb)
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if err != nil {
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return errors.Errorf("failed to send packet body: %v", err)
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return errors.Errorf("failed to send packet: %v", err)
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}
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return nil
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}
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