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https://github.com/TeaOSLab/EdgeNode.git
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005e27a63c
* 取消用户设置的压缩级别，现在压缩级别通过系统自动设置 * Pool中的对象命中100万次时自动销毁，避免内存泄漏 * 降低Pool中的对象数量，避免占用太多内存 * 根据系统CPU线程数自动计算压缩级别，避免消耗太多CPU * zstd限制解码的最大Window * zstd使用低内存模式
46 lines
853 B
Go
46 lines
853 B
Go
// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
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package compressions
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import (
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"github.com/klauspost/compress/zstd"
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"io"
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)
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type ZSTDReader struct {
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BaseReader
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reader *zstd.Decoder
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}
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func NewZSTDReader(reader io.Reader) (Reader, error) {
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return sharedZSTDReaderPool.Get(reader)
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}
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func newZSTDReader(reader io.Reader) (Reader, error) {
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r, err := zstd.NewReader(reader, zstd.WithDecoderMaxWindow(256<<20))
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if err != nil {
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return nil, err
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}
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return &ZSTDReader{
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reader: r,
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}, nil
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}
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func (this *ZSTDReader) Read(p []byte) (n int, err error) {
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return this.reader.Read(p)
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}
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func (this *ZSTDReader) Reset(reader io.Reader) error {
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return this.reader.Reset(reader)
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}
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func (this *ZSTDReader) RawClose() error {
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this.reader.Close()
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return nil
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}
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func (this *ZSTDReader) Close() error {
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return this.Finish(this)
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}
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