48 lines
1.2 KiB
Go
48 lines
1.2 KiB
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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"github.com/lucas-clemente/quic-go/internal/utils"
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)
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// A StopSendingFrame is a STOP_SENDING frame
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type StopSendingFrame struct {
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StreamID protocol.StreamID
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ErrorCode protocol.ApplicationErrorCode
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}
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// ParseStopSendingFrame parses a STOP_SENDING frame
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func ParseStopSendingFrame(r *bytes.Reader, _ protocol.VersionNumber) (*StopSendingFrame, error) {
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if _, err := r.ReadByte(); err != nil { // read the TypeByte
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return nil, err
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}
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streamID, err := utils.ReadVarInt(r)
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if err != nil {
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return nil, err
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}
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errorCode, err := utils.BigEndian.ReadUint16(r)
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if err != nil {
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return nil, err
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}
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return &StopSendingFrame{
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StreamID: protocol.StreamID(streamID),
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ErrorCode: protocol.ApplicationErrorCode(errorCode),
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}, nil
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}
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// MinLength of a written frame
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func (f *StopSendingFrame) MinLength(_ protocol.VersionNumber) protocol.ByteCount {
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return 1 + utils.VarIntLen(uint64(f.StreamID)) + 2
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}
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func (f *StopSendingFrame) Write(b *bytes.Buffer, _ protocol.VersionNumber) error {
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b.WriteByte(0x0c)
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utils.WriteVarInt(b, uint64(f.StreamID))
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utils.BigEndian.WriteUint16(b, uint16(f.ErrorCode))
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return nil
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}
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