/
options.go
60 lines (50 loc) · 1008 Bytes
/
options.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
package mutcask
const MAX_PARALLEL_READ = 56
type Config struct {
Path string
CaskNum uint32
HintBootReadNum int
InitBuf int
Migrate bool
MaxLogFileSize int
MaxParallelRead int
}
func defaultConfig() *Config {
return &Config{
CaskNum: 256,
HintBootReadNum: 1000,
MaxLogFileSize: 1 << 20,
MaxParallelRead: MAX_PARALLEL_READ,
}
}
type Option func(cfg *Config)
func CaskNumConf(caskNum int) Option {
return func(cfg *Config) {
cfg.CaskNum = uint32(caskNum)
}
}
func PathConf(dir string) Option {
return func(cfg *Config) {
cfg.Path = dir
}
}
func HintBootReadNumConf(hn int) Option {
return func(cfg *Config) {
cfg.HintBootReadNum = hn
}
}
func MaxParallelReadConf(n int) Option {
return func(cfg *Config) {
cfg.MaxParallelRead = n
}
}
// func InitBufConf(size int) Option {
// return func(cfg *Config) {
// cfg.InitBuf = size
// }
// }
func MigrateConf() Option {
return func(cfg *Config) {
cfg.Migrate = true
}
}