/
reader.go
76 lines (63 loc) · 1.53 KB
/
reader.go
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
76
// Copyright 2013 tsuru authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package safe
import (
"bytes"
"io"
"sync"
)
// BytesReader is a thread safe version of bytes.Reader.
type BytesReader struct {
reader bytes.Reader
mutex sync.Mutex
}
func NewBytesReader(b []byte) *BytesReader {
reader := bytes.NewReader(b)
return &BytesReader{reader: *reader}
}
func (r *BytesReader) Len() int {
r.mutex.Lock()
defer r.mutex.Unlock()
return r.reader.Len()
}
func (r *BytesReader) Read(b []byte) (int, error) {
r.mutex.Lock()
defer r.mutex.Unlock()
return r.reader.Read(b)
}
func (r *BytesReader) ReadAt(b []byte, off int64) (int, error) {
r.mutex.Lock()
defer r.mutex.Unlock()
return r.reader.ReadAt(b, off)
}
func (r *BytesReader) ReadByte() (byte, error) {
r.mutex.Lock()
defer r.mutex.Unlock()
return r.reader.ReadByte()
}
func (r *BytesReader) ReadRune() (rune, int, error) {
r.mutex.Lock()
defer r.mutex.Unlock()
return r.reader.ReadRune()
}
func (r *BytesReader) Seek(offset int64, whence int) (int64, error) {
r.mutex.Lock()
defer r.mutex.Unlock()
return r.reader.Seek(offset, whence)
}
func (r *BytesReader) UnreadByte() error {
r.mutex.Lock()
defer r.mutex.Unlock()
return r.reader.UnreadByte()
}
func (r *BytesReader) UnreadRune() error {
r.mutex.Lock()
defer r.mutex.Unlock()
return r.reader.UnreadRune()
}
func (r *BytesReader) WriteTo(w io.Writer) (int64, error) {
r.mutex.Lock()
defer r.mutex.Unlock()
return r.reader.WriteTo(w)
}