-
Notifications
You must be signed in to change notification settings - Fork 30
/
leveldb.go
44 lines (37 loc) · 921 Bytes
/
leveldb.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
package dedupe
import (
"github.com/projectdiscovery/gologger"
"github.com/projectdiscovery/hmap/store/hybrid"
)
type LevelDBBackend struct {
storage *hybrid.HybridMap
}
func NewLevelDBBackend() *LevelDBBackend {
l := &LevelDBBackend{}
db, err := hybrid.New(hybrid.DefaultDiskOptions)
if err != nil {
gologger.Fatal().Msgf("failed to create temp dir for alterx dedupe got: %v", err)
}
l.storage = db
return l
}
func (l *LevelDBBackend) Upsert(elem string) bool {
_, exists := l.storage.Get(elem)
if exists {
return false
}
if err := l.storage.Set(elem, nil); err != nil {
gologger.Error().Msgf("dedupe: leveldb: got %v while writing %v", err, elem)
return false
}
return true
}
func (l *LevelDBBackend) IterCallback(callback func(elem string)) {
l.storage.Scan(func(k, _ []byte) error {
callback(string(k))
return nil
})
}
func (l *LevelDBBackend) Cleanup() {
_ = l.storage.Close()
}