Moved ledis implementation to a new package

persistence/ledis/ledis.go

@@ -0,0 +1,35 @@
+package ledis
+
+import (
+	"sync"
+
+	"github.com/cloudsonic/sonic-server/conf"
+	"github.com/siddontang/ledisdb/config"
+	"github.com/siddontang/ledisdb/ledis"
+)
+
+var (
+	_ledisInstance *ledis.Ledis
+	_dbInstance    *ledis.DB
+	once           sync.Once
+)
+
+func Db() *ledis.DB {
+	once.Do(func() {
+		config := config.NewConfigDefault()
+		config.DataDir = conf.Sonic.DbPath
+		l, _ := ledis.Open(config)
+		instance, err := l.Select(0)
+		if err != nil {
+			panic(err)
+		}
+		_ledisInstance = l
+		_dbInstance = instance
+	})
+	return _dbInstance
+}
+
+func dropDb() {
+	Db()
+	_ledisInstance.FlushAll()
+}