58 lines
1.1 KiB
Go
58 lines
1.1 KiB
Go
package frame
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import "io"
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const (
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wndIncBodySize = 4
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wndIncFrameSize = headerSize + wndIncBodySize
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)
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// Increase a stream's flow control window size
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type RStreamWndInc struct {
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Header
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body [wndIncBodySize]byte
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}
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func (f *RStreamWndInc) WindowIncrement() (inc uint32) {
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return order.Uint32(f.body[:]) & wndIncMask
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}
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func (f *RStreamWndInc) readFrom(d deserializer) (err error) {
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if f.Length() != wndIncBodySize {
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return protoError("WND_INC length must be %d, got %d", wndIncBodySize, f.Length())
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}
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_, err = io.ReadFull(d, f.body[:])
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return
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}
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type WStreamWndInc struct {
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Header
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data [wndIncFrameSize]byte
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}
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func (f *WStreamWndInc) writeTo(s serializer) (err error) {
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_, err = s.Write(f.data[:])
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return
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}
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func (f *WStreamWndInc) Set(streamId StreamId, inc uint32) (err error) {
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if inc > wndIncMask {
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return protoError("Window increment %d out of range", inc)
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}
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order.PutUint32(f.data[headerSize:], inc)
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if err = f.Header.SetAll(TypeStreamWndInc, wndIncBodySize, streamId, 0); err != nil {
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return
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}
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return
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}
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func NewWStreamWndInc() (f *WStreamWndInc) {
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f = new(WStreamWndInc)
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f.Header = Header(f.data[:headerSize])
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return
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}
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