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Merge branch 'upstream' into sync-upstream

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Gaukas Wang 2023-08-28 14:12:03 -06:00
commit 856bc02b8f
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130 changed files with 1364 additions and 463 deletions
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5
internal/wire/version_negotiation.go
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@ -40,7 +40,10 @@ func ComposeVersionNegotiation(destConnID, srcConnID protocol.ArbitraryLenConnec
buf := bytes.NewBuffer(make([]byte, 0, expectedLen))
r := make([]byte, 1)
_, _ = rand.Read(r) // ignore the error here. It is not critical to have perfect random here.
buf.WriteByte(r[0] | 0x80)
// Setting the "QUIC bit" (0x40) is not required by the RFC,
// but it allows clients to demultiplex QUIC with a long list of other protocols.
// See RFC 9443 and https://mailarchive.ietf.org/arch/msg/quic/oR4kxGKY6mjtPC1CZegY1ED4beg/ for details.
buf.WriteByte(r[0] | 0xc0)
utils.BigEndian.WriteUint32(buf, 0) // version 0
buf.WriteByte(uint8(destConnID.Len()))
buf.Write(destConnID.Bytes())