47 lines
845 B
Go
47 lines
845 B
Go
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package pools
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import (
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"sync"
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"codeberg.org/gruf/go-bytes"
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)
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// BufferPool is a pooled allocator for bytes.Buffer objects
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type BufferPool interface {
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// Get fetches a bytes.Buffer from pool
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Get() *bytes.Buffer
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// Put places supplied bytes.Buffer in pool
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Put(*bytes.Buffer)
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}
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// NewBufferPool returns a newly instantiated bytes.Buffer pool
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func NewBufferPool(size int) BufferPool {
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return &bufferPool{
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pool: sync.Pool{
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New: func() interface{} {
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return &bytes.Buffer{B: make([]byte, 0, size)}
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},
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},
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size: size,
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}
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}
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// bufferPool is our implementation of BufferPool
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type bufferPool struct {
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pool sync.Pool
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size int
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}
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func (p *bufferPool) Get() *bytes.Buffer {
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return p.pool.Get().(*bytes.Buffer)
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}
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func (p *bufferPool) Put(buf *bytes.Buffer) {
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if buf.Cap() < p.size {
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return
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}
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buf.Reset()
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p.pool.Put(buf)
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}
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