41 lines
802 B
Go
41 lines
802 B
Go
package socks5
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import (
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"sync"
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)
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// A BufferPool is an interface for getting and returning temporary
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// byte slices for use by io.CopyBuffer.
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type BufferPool interface {
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Get() []byte
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Put([]byte)
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}
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type pool struct {
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size int
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pool *sync.Pool
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}
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// NewPool new buffer pool for getting and returning temporary
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// byte slices for use by io.CopyBuffer.
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func NewPool(size int) BufferPool {
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return &pool{
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size,
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&sync.Pool{
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New: func() interface{} { return make([]byte, 0, size) }},
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}
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}
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// Get implement interface BufferPool
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func (sf *pool) Get() []byte {
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return sf.pool.Get().([]byte)
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}
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// Put implement interface BufferPool
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func (sf *pool) Put(b []byte) {
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if cap(b) != sf.size {
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panic("invalid buffer size that's put into leaky buffer")
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}
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sf.pool.Put(b[:0]) // nolint: staticcheck
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}
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