44 lines
598 B
Go
44 lines
598 B
Go
package handler
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import (
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"io"
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"sync"
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)
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const (
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poolBufferSize = 32 * 1024
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)
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var (
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pool = sync.Pool{
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New: func() interface{} {
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return make([]byte, poolBufferSize)
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},
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}
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)
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func Transport(rw1, rw2 io.ReadWriter) error {
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errc := make(chan error, 1)
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go func() {
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errc <- copyBuffer(rw1, rw2)
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}()
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go func() {
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errc <- copyBuffer(rw2, rw1)
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}()
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err := <-errc
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if err != nil && err == io.EOF {
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err = nil
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}
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return err
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}
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func copyBuffer(dst io.Writer, src io.Reader) error {
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buf := pool.Get().([]byte)
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defer pool.Put(buf)
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_, err := io.CopyBuffer(dst, src, buf)
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return err
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}
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