-
Notifications
You must be signed in to change notification settings - Fork 0
/
window_update_frame.go
executable file
·50 lines (41 loc) · 1.27 KB
/
window_update_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
43
44
45
46
47
48
49
50
package wire
import (
"bytes"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/lucas-clemente/quic-go/internal/utils"
)
// A WindowUpdateFrame in QUIC
type WindowUpdateFrame struct {
StreamID protocol.StreamID
ByteOffset protocol.ByteCount
}
//Write writes a RST_STREAM frame
func (f *WindowUpdateFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) error {
b.WriteByte(0x4)
utils.GetByteOrder(version).WriteUint32(b, uint32(f.StreamID))
utils.GetByteOrder(version).WriteUint64(b, uint64(f.ByteOffset))
return nil
}
// MinLength of a written frame
func (f *WindowUpdateFrame) MinLength(version protocol.VersionNumber) (protocol.ByteCount, error) {
return 1 + 4 + 8, nil
}
// ParseWindowUpdateFrame parses a RST_STREAM frame
func ParseWindowUpdateFrame(r *bytes.Reader, version protocol.VersionNumber) (*WindowUpdateFrame, error) {
frame := &WindowUpdateFrame{}
// read the TypeByte
if _, err := r.ReadByte(); err != nil {
return nil, err
}
sid, err := utils.GetByteOrder(version).ReadUint32(r)
if err != nil {
return nil, err
}
frame.StreamID = protocol.StreamID(sid)
byteOffset, err := utils.GetByteOrder(version).ReadUint64(r)
if err != nil {
return nil, err
}
frame.ByteOffset = protocol.ByteCount(byteOffset)
return frame, nil
}