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49 lines
730 B
49 lines
730 B
package io
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import (
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"io"
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"sync"
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"v2ray.com/core/common/alloc"
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)
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type ChainWriter struct {
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sync.Mutex
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writer Writer
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}
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func NewChainWriter(writer Writer) *ChainWriter {
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return &ChainWriter{
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writer: writer,
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}
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}
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func (this *ChainWriter) Write(payload []byte) (int, error) {
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if this.writer == nil {
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return 0, io.ErrClosedPipe
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}
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size := len(payload)
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buffer := alloc.NewBufferWithSize(size).Clear()
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buffer.Append(payload)
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this.Lock()
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defer this.Unlock()
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if this.writer == nil {
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return 0, io.ErrClosedPipe
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}
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err := this.writer.Write(buffer)
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if err != nil {
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return 0, err
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}
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return size, nil
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}
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func (this *ChainWriter) Release() {
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this.Lock()
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this.writer.Release()
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this.writer = nil
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this.Unlock()
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}
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