2017-02-07 15:11:47 -05:00
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package mux
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2017-03-26 19:47:01 -04:00
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import (
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"v2ray.com/core/common/buf"
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"v2ray.com/core/common/serial"
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)
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2017-02-07 15:11:47 -05:00
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type muxWriter struct {
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meta *FrameMetadata
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writer buf.Writer
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}
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func (w *muxWriter) Write(b *buf.Buffer) error {
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frame := buf.New()
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frame.AppendSupplier(w.meta.AsSupplier())
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if w.meta.SessionStatus == SessionStatusNew {
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w.meta.SessionStatus = SessionStatusKeep
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}
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frame.AppendSupplier(serial.WriteUint16(0))
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lengthBytes := frame.BytesFrom(-2)
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nBytes, err := frame.Write(b.Bytes())
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if err != nil {
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return err
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}
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serial.Uint16ToBytes(uint16(nBytes), lengthBytes[:0])
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if err := w.writer.Write(frame); err != nil {
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frame.Release()
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b.Release()
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return err
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}
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b.SliceFrom(nBytes)
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if !b.IsEmpty() {
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return w.Write(b)
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}
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b.Release()
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return nil
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}
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