55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
// Copyright 2021-2024 The Connect Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package connect
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import (
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"bytes"
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"sync"
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)
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const (
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initialBufferSize = 512
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maxRecycleBufferSize = 8 * 1024 * 1024 // if >8MiB, don't hold onto a buffer
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)
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type bufferPool struct {
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sync.Pool
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}
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func newBufferPool() *bufferPool {
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return &bufferPool{
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Pool: sync.Pool{
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New: func() any {
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return bytes.NewBuffer(make([]byte, 0, initialBufferSize))
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},
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},
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}
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}
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func (b *bufferPool) Get() *bytes.Buffer {
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if buf, ok := b.Pool.Get().(*bytes.Buffer); ok {
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return buf
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}
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return bytes.NewBuffer(make([]byte, 0, initialBufferSize))
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}
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func (b *bufferPool) Put(buffer *bytes.Buffer) {
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if buffer.Cap() > maxRecycleBufferSize {
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return
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}
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buffer.Reset()
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b.Pool.Put(buffer)
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}
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