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@ -18,13 +18,19 @@ const (
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)
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func AddRecordLayer(input []byte, typ byte, ver uint16) []byte {
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length := make([]byte, 2)
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binary.BigEndian.PutUint16(length, uint16(len(input)))
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ret := make([]byte, 5+len(input))
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msgLen := len(input)
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var ret []byte
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if cap(input) > msgLen+recordLayerLength {
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ret = input[:msgLen+recordLayerLength]
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} else {
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ret = make([]byte, msgLen+recordLayerLength)
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}
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copy(ret[recordLayerLength:], input)
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ret[0] = typ
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binary.BigEndian.PutUint16(ret[1:3], ver)
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copy(ret[3:5], length)
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copy(ret[5:], input)
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ret[1] = byte(ver >> 8)
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ret[2] = byte(ver)
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ret[3] = byte(msgLen >> 8)
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ret[4] = byte(msgLen)
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return ret
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}
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