forked from quic-go/quic-go
/
max_stream_data_frame.go
42 lines (35 loc) · 1.1 KB
/
max_stream_data_frame.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
package wire
import (
"bytes"
"github.com/GetStream/quic-go/internal/protocol"
"github.com/GetStream/quic-go/quicvarint"
)
// A MaxStreamDataFrame is a MAX_STREAM_DATA frame
type MaxStreamDataFrame struct {
StreamID protocol.StreamID
MaximumStreamData protocol.ByteCount
}
func parseMaxStreamDataFrame(r *bytes.Reader, _ protocol.Version) (*MaxStreamDataFrame, error) {
sid, err := quicvarint.Read(r)
if err != nil {
return nil, err
}
offset, err := quicvarint.Read(r)
if err != nil {
return nil, err
}
return &MaxStreamDataFrame{
StreamID: protocol.StreamID(sid),
MaximumStreamData: protocol.ByteCount(offset),
}, nil
}
func (f *MaxStreamDataFrame) Append(b []byte, _ protocol.Version) ([]byte, error) {
b = append(b, maxStreamDataFrameType)
b = quicvarint.Append(b, uint64(f.StreamID))
b = quicvarint.Append(b, uint64(f.MaximumStreamData))
return b, nil
}
// Length of a written frame
func (f *MaxStreamDataFrame) Length(protocol.Version) protocol.ByteCount {
return 1 + protocol.ByteCount(quicvarint.Len(uint64(f.StreamID))+quicvarint.Len(uint64(f.MaximumStreamData)))
}