1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
// Copyright 2021-2023 The Connect Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package connect
import (
"bytes"
"sync"
)
const (
initialBufferSize = 512
maxRecycleBufferSize = 8 * 1024 * 1024 // if >8MiB, don't hold onto a buffer
)
type bufferPool struct {
sync.Pool
}
func newBufferPool() *bufferPool {
return &bufferPool{
Pool: sync.Pool{
New: func() any {
return bytes.NewBuffer(make([]byte, 0, initialBufferSize))
},
},
}
}
func (b *bufferPool) Get() *bytes.Buffer {
if buf, ok := b.Pool.Get().(*bytes.Buffer); ok {
return buf
}
return bytes.NewBuffer(make([]byte, 0, initialBufferSize))
}
func (b *bufferPool) Put(buffer *bytes.Buffer) {
if buffer.Cap() > maxRecycleBufferSize {
return
}
buffer.Reset()
b.Pool.Put(buffer)
}
|
