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								package utils
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								import (
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									"sync"
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								)
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											2024-03-28 17:17:34 +08:00
										 
									 
								 
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								var BytePool1k = NewBytePool(1 << 10)
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								var BytePool4k = NewBytePool(4 << 10)
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								var BytePool16k = NewBytePool(16 << 10)
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								var BytePool32k = NewBytePool(32 << 10)
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								type BytesBuf struct {
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									Bytes []byte
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								}
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								// BytePool pool for get byte slice
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								type BytePool struct {
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									length  int
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									rawPool *sync.Pool
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								}
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								// NewBytePool 创建新对象
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								func NewBytePool(length int) *BytePool {
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									if length < 0 {
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										length = 1024
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									}
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									return &BytePool{
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										length: length,
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										rawPool: &sync.Pool{
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											New: func() any {
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												return &BytesBuf{
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													Bytes: make([]byte, length),
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												}
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											},
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										},
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									}
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								}
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								// Get 获取一个新的byte slice
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								func (this *BytePool) Get() *BytesBuf {
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									return this.rawPool.Get().(*BytesBuf)
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								}
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								// Put 放回一个使用过的byte slice
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								func (this *BytePool) Put(ptr *BytesBuf) {
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									this.rawPool.Put(ptr)
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								}
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								// Length 单个字节slice长度
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								func (this *BytePool) Length() int {
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									return this.length
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								}
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