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stream_data_blocked_frame.go
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/
stream_data_blocked_frame.go
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package wire
import (
"bytes"
"v2ray.com/core/external/github.com/lucas-clemente/quic-go/internal/protocol"
"v2ray.com/core/external/github.com/lucas-clemente/quic-go/internal/utils"
)
// A StreamDataBlockedFrame is a STREAM_DATA_BLOCKED frame
type StreamDataBlockedFrame struct {
StreamID protocol.StreamID
DataLimit protocol.ByteCount
}
func parseStreamDataBlockedFrame(r *bytes.Reader, _ protocol.VersionNumber) (*StreamDataBlockedFrame, error) {
if _, err := r.ReadByte(); err != nil {
return nil, err
}
sid, err := utils.ReadVarInt(r)
if err != nil {
return nil, err
}
offset, err := utils.ReadVarInt(r)
if err != nil {
return nil, err
}
return &StreamDataBlockedFrame{
StreamID: protocol.StreamID(sid),
DataLimit: protocol.ByteCount(offset),
}, nil
}
func (f *StreamDataBlockedFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) error {
b.WriteByte(0x15)
utils.WriteVarInt(b, uint64(f.StreamID))
utils.WriteVarInt(b, uint64(f.DataLimit))
return nil
}
// Length of a written frame
func (f *StreamDataBlockedFrame) Length(version protocol.VersionNumber) protocol.ByteCount {
return 1 + utils.VarIntLen(uint64(f.StreamID)) + utils.VarIntLen(uint64(f.DataLimit))
}