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			53 lines
		
	
	
		
			917 B
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			53 lines
		
	
	
		
			917 B
		
	
	
	
		
			Go
		
	
	
	
	
	
package utils
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import (
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	"sync"
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)
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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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