-
Notifications
You must be signed in to change notification settings - Fork 29
/
writer_zstd.go
57 lines (43 loc) · 1.06 KB
/
writer_zstd.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
// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
package compressions
import (
"github.com/klauspost/compress/zstd"
"io"
)
type ZSTDWriter struct {
BaseWriter
writer *zstd.Encoder
level int
}
func NewZSTDWriter(writer io.Writer, level int) (Writer, error) {
return sharedZSTDWriterPool.Get(writer, level)
}
func newZSTDWriter(writer io.Writer, level int) (Writer, error) {
var zstdLevel = zstd.EncoderLevelFromZstd(level)
zstdWriter, err := zstd.NewWriter(writer, zstd.WithEncoderLevel(zstdLevel))
if err != nil {
return nil, err
}
return &ZSTDWriter{
writer: zstdWriter,
level: level,
}, nil
}
func (this *ZSTDWriter) Write(p []byte) (int, error) {
return this.writer.Write(p)
}
func (this *ZSTDWriter) Flush() error {
return this.writer.Flush()
}
func (this *ZSTDWriter) Reset(writer io.Writer) {
this.writer.Reset(writer)
}
func (this *ZSTDWriter) RawClose() error {
return this.writer.Close()
}
func (this *ZSTDWriter) Close() error {
return this.Finish(this)
}
func (this *ZSTDWriter) Level() int {
return this.level
}