reafctor: pool

server/internal/mongo/mgm/conn.go

@@ -14,11 +14,19 @@ type MongoConn struct {
 	Cli *mongo.Client
 }
 
-func (mc *MongoConn) Close() {
+/******************* pool.Conn impl *******************/
+
+func (mc *MongoConn) Close() error {
 	if mc.Cli != nil {
 		if err := mc.Cli.Disconnect(context.Background()); err != nil {
 			logx.Errorf("关闭mongo实例[%s]连接失败: %s", mc.Id, err)
+			return err
 		}
 		mc.Cli = nil
 	}
+	return nil
+}
+
+func (mc *MongoConn) Ping() error {
+	return mc.Cli.Ping(context.Background(), nil)
 }