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implement version-dependent parsing of the Public Header

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This commit is contained in:
Marten Seemann 2017-08-03 15:13:23 +07:00
parent 1a8a012019
commit dd0daaaf1e
17 changed files with 311 additions and 124 deletions
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11
internal/utils/byteorder.go
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@ -3,6 +3,8 @@ package utils
import (
"bytes"
"io"
"github.com/lucas-clemente/quic-go/protocol"
)
// A ByteOrder specifies how to convert byte sequences into 16-, 32-, or 64-bit unsigned integers.
@ -23,3 +25,12 @@ type ByteOrder interface {
ReadUfloat16(io.ByteReader) (uint64, error)
WriteUfloat16(*bytes.Buffer, uint64)
}
// GetByteOrder gets the ByteOrder (little endian or big endian) used to represent values on the wire
// from QUIC 39, values are encoded in big endian, before that in little endian
func GetByteOrder(v protocol.VersionNumber) ByteOrder {
if v < protocol.Version39 {
return LittleEndian
}
return BigEndian
}