mirror of
https://github.com/refraction-networking/uquic.git
synced 2025-04-04 04:37:36 +03:00
95575f5fe7
uTLS is not yet bumped to the new version, so this commit breaks the dependencies relationship by getting rid of the local replace.
50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
package wire
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import (
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"bytes"
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"fmt"
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"github.com/refraction-networking/uquic/internal/protocol"
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"github.com/refraction-networking/uquic/quicvarint"
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)
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// A StreamsBlockedFrame is a STREAMS_BLOCKED frame
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type StreamsBlockedFrame struct {
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Type protocol.StreamType
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StreamLimit protocol.StreamNum
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}
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func parseStreamsBlockedFrame(r *bytes.Reader, typ uint64, _ protocol.VersionNumber) (*StreamsBlockedFrame, error) {
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f := &StreamsBlockedFrame{}
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switch typ {
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case bidiStreamBlockedFrameType:
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f.Type = protocol.StreamTypeBidi
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case uniStreamBlockedFrameType:
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f.Type = protocol.StreamTypeUni
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}
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streamLimit, err := quicvarint.Read(r)
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if err != nil {
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return nil, err
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}
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f.StreamLimit = protocol.StreamNum(streamLimit)
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if f.StreamLimit > protocol.MaxStreamCount {
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return nil, fmt.Errorf("%d exceeds the maximum stream count", f.StreamLimit)
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}
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return f, nil
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}
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func (f *StreamsBlockedFrame) Append(b []byte, _ protocol.VersionNumber) ([]byte, error) {
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switch f.Type {
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case protocol.StreamTypeBidi:
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b = append(b, bidiStreamBlockedFrameType)
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case protocol.StreamTypeUni:
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b = append(b, uniStreamBlockedFrameType)
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}
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b = quicvarint.Append(b, uint64(f.StreamLimit))
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return b, nil
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}
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// Length of a written frame
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func (f *StreamsBlockedFrame) Length(_ protocol.VersionNumber) protocol.ByteCount {
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return 1 + quicvarint.Len(uint64(f.StreamLimit))
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}
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