blob: 8c2ef9730af8fb40deb169d6666a844870d3bbf0 (
plain)
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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
package pools
import (
"bufio"
"io"
"sync"
)
// BufioReaderPool is a pooled allocator for bufio.Reader objects
type BufioReaderPool interface {
// Get fetches a bufio.Reader from pool and resets to supplied reader
Get(io.Reader) *bufio.Reader
// Put places supplied bufio.Reader back in pool
Put(*bufio.Reader)
}
// NewBufioReaderPool returns a newly instantiated bufio.Reader pool
func NewBufioReaderPool(size int) BufioReaderPool {
return &bufioReaderPool{
Pool: sync.Pool{
New: func() interface{} {
return bufio.NewReaderSize(nil, size)
},
},
}
}
// bufioReaderPool is our implementation of BufioReaderPool
type bufioReaderPool struct{ sync.Pool }
func (p *bufioReaderPool) Get(r io.Reader) *bufio.Reader {
br := p.Pool.Get().(*bufio.Reader)
br.Reset(r)
return br
}
func (p *bufioReaderPool) Put(br *bufio.Reader) {
br.Reset(nil)
p.Pool.Put(br)
}
// BufioWriterPool is a pooled allocator for bufio.Writer objects
type BufioWriterPool interface {
// Get fetches a bufio.Writer from pool and resets to supplied writer
Get(io.Writer) *bufio.Writer
// Put places supplied bufio.Writer back in pool
Put(*bufio.Writer)
}
// NewBufioWriterPool returns a newly instantiated bufio.Writer pool
func NewBufioWriterPool(size int) BufioWriterPool {
return &bufioWriterPool{
Pool: sync.Pool{
New: func() interface{} {
return bufio.NewWriterSize(nil, size)
},
},
}
}
// bufioWriterPool is our implementation of BufioWriterPool
type bufioWriterPool struct{ sync.Pool }
func (p *bufioWriterPool) Get(w io.Writer) *bufio.Writer {
bw := p.Pool.Get().(*bufio.Writer)
bw.Reset(w)
return bw
}
func (p *bufioWriterPool) Put(bw *bufio.Writer) {
bw.Reset(nil)
p.Pool.Put(bw)
}
|
