41 lines
1015 B
Go
41 lines
1015 B
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/quicvarint"
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)
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// A MaxDataFrame carries flow control information for the connection
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type MaxDataFrame struct {
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MaximumData protocol.ByteCount
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}
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// parseMaxDataFrame parses a MAX_DATA frame
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func parseMaxDataFrame(r *bytes.Reader, _ protocol.VersionNumber) (*MaxDataFrame, error) {
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if _, err := r.ReadByte(); err != nil {
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return nil, err
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}
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frame := &MaxDataFrame{}
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byteOffset, err := quicvarint.Read(r)
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if err != nil {
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return nil, err
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}
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frame.MaximumData = protocol.ByteCount(byteOffset)
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return frame, nil
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}
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// Write writes a MAX_STREAM_DATA frame
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func (f *MaxDataFrame) Write(b *bytes.Buffer, version protocol.VersionNumber) error {
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b.WriteByte(0x10)
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quicvarint.Write(b, uint64(f.MaximumData))
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return nil
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}
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// Length of a written frame
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func (f *MaxDataFrame) Length(version protocol.VersionNumber) protocol.ByteCount {
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return 1 + quicvarint.Len(uint64(f.MaximumData))
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}
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