add other session providers (#5963)

vendor/github.com/lunny/nodb/store/store.go

@@ -0,0 +1,51 @@
+package store
+
+import (
+	"fmt"
+	"os"
+	"path"
+	"github.com/lunny/nodb/config"
+	"github.com/lunny/nodb/store/driver"
+
+	_ "github.com/lunny/nodb/store/goleveldb"
+)
+
+func getStorePath(cfg *config.Config) string {
+	return path.Join(cfg.DataDir, fmt.Sprintf("%s_data", cfg.DBName))
+}
+
+func Open(cfg *config.Config) (*DB, error) {
+	s, err := driver.GetStore(cfg)
+	if err != nil {
+		return nil, err
+	}
+
+	path := getStorePath(cfg)
+
+	if err := os.MkdirAll(path, os.ModePerm); err != nil {
+		return nil, err
+	}
+
+	idb, err := s.Open(path, cfg)
+	if err != nil {
+		return nil, err
+	}
+
+	db := &DB{idb}
+
+	return db, nil
+}
+
+func Repair(cfg *config.Config) error {
+	s, err := driver.GetStore(cfg)
+	if err != nil {
+		return err
+	}
+
+	path := getStorePath(cfg)
+
+	return s.Repair(path, cfg)
+}
+
+func init() {
+}