refactored leveldb implementation

Author: alash3al

go.mod

@@ -9,6 +9,7 @@ require (
 	github.com/dgryski/go-farm v0.0.0-20180109070241-2de33835d102 // indirect
 	github.com/dustin/go-humanize v1.0.0 // indirect
 	github.com/golang/protobuf v1.2.0 // indirect
+	github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db // indirect
 	github.com/gorilla/websocket v1.4.0
 	github.com/kr/pretty v0.1.0 // indirect
 	github.com/kr/pty v1.1.3 // indirect
@@ -20,6 +21,7 @@ require (
 	github.com/rs/xid v1.2.1
 	github.com/satori/go.uuid v1.2.1-0.20181028125025-b2ce2384e17b
 	github.com/sirupsen/logrus v1.2.0
+	github.com/syndtr/goleveldb v0.0.0-20181128100959-b001fa50d6b2
 	github.com/tidwall/redcon v0.9.0
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v0.0.0-20170224212429-dcecefd839c4 // indirect

go.sum

@@ -16,6 +16,8 @@ github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
 github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
+github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db h1:woRePGFeVFfLKN/pOkfl+p/TAqKOfFu+7KPlMVpok/w=
+github.com/golang/snappy v0.0.0-20180518054509-2e65f85255db/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
 github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk=
@@ -47,6 +49,8 @@ github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPx
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
+github.com/syndtr/goleveldb v0.0.0-20181128100959-b001fa50d6b2 h1:GnOzE5fEFN3b2zDhJJABEofdb51uMRNb8eqIVtdducs=
+github.com/syndtr/goleveldb v0.0.0-20181128100959-b001fa50d6b2/go.mod h1:Z4AUp2Km+PwemOoO/VB5AOx9XSsIItzFjoJlOSiYmn0=
 github.com/tidwall/redcon v0.9.0 h1:tiT9DLAoohsdNaFg9Si5dRsv9+FjvZYnhMOEtSFwBqA=
 github.com/tidwall/redcon v0.9.0/go.mod h1:bdYBm4rlcWpst2XMwKVzWDF9CoUxEbUmM7CQrKeOZas=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=

helpers_db.go

@@ -11,7 +11,7 @@ import (
 	"github.com/alash3al/redix/kvstore"
 	"github.com/alash3al/redix/kvstore/badger"
 	"github.com/alash3al/redix/kvstore/bolt"
-	"github.com/alash3al/redix/kvstore/level"
+	"github.com/alash3al/redix/kvstore/leveldb"
 )
 
 // selectDB - load/fetches the requested db
@@ -41,6 +41,6 @@ func openDB(engine, dbpath string) (kvstore.DB, error) {
 	case "bolt", "boltdb":
 		return bolt.OpenBolt(dbpath)
 	case "level", "leveldb":
-		return level.OpenLevelDB(dbpath)
+		return leveldb.OpenLevelDB(dbpath)
 	}
 }