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https://github.com/refraction-networking/uquic.git
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759b0d87b1
This replaces version.UsesMaxDataFrame by versoin.UsesIETFFrameFormat. That way, we can have two separate code paths in the unpacker to unpack either gQUIC frames or IETF frames.
35 lines
921 B
Go
35 lines
921 B
Go
package wire
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import (
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"bytes"
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"github.com/lucas-clemente/quic-go/internal/protocol"
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)
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// A BlockedFrame is a BLOCKED frame
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type BlockedFrame struct{}
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// ParseBlockedFrame parses a BLOCKED frame
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func ParseBlockedFrame(r *bytes.Reader, version protocol.VersionNumber) (*BlockedFrame, error) {
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if _, err := r.ReadByte(); err != nil {
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return nil, err
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}
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return &BlockedFrame{}, nil
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}
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func (f *BlockedFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) error {
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if !version.UsesIETFFrameFormat() {
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return (&blockedFrameLegacy{}).Write(b, version)
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}
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typeByte := uint8(0x08)
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b.WriteByte(typeByte)
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return nil
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}
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// MinLength of a written frame
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func (f *BlockedFrame) MinLength(version protocol.VersionNumber) (protocol.ByteCount, error) {
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if !version.UsesIETFFrameFormat() { // writing this frame would result in a legacy BLOCKED being written, which is longer
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return 1 + 4, nil
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}
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return 1, nil
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}
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