mirror of
https://github.com/v2fly/v2ray-core.git
synced 2024-12-21 17:46:58 -05:00
56 lines
797 B
Go
56 lines
797 B
Go
package net
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import (
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"io"
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)
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const (
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bufferSize = 32 * 1024
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)
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var (
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dirtyBuffers = make(chan []byte, 1024)
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)
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func getBuffer() []byte {
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var buffer []byte
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select {
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case buffer = <-dirtyBuffers:
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default:
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buffer = make([]byte, bufferSize)
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}
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return buffer
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}
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func putBuffer(buffer []byte) {
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select {
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case dirtyBuffers <- buffer:
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default:
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}
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}
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func ReaderToChan(stream chan<- []byte, reader io.Reader) error {
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for {
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buffer := getBuffer()
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nBytes, err := reader.Read(buffer)
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if nBytes > 0 {
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stream <- buffer[:nBytes]
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}
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if err != nil {
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return err
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}
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}
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return nil
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}
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func ChanToWriter(writer io.Writer, stream <-chan []byte) error {
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for buffer := range stream {
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_, err := writer.Write(buffer)
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putBuffer(buffer)
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if err != nil {
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return err
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}
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}
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return nil
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}
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