添加注释

dbproxy/mongo/sessionmgr.go

@@ -143,8 +143,10 @@ func newMgoSession(user, password, host string, port int32, options string) (s *
 	// [mongodb://][user:pass@]host1[:port1][,host2[:port2],...][/database][?options]
 	url := fmt.Sprintf("mongodb://%s%s:%d/admin%s", login, host, port, options)
 	//fmt.Println(url)
+	logger.Logger.Tracef("newMgoSession url:%s", url)
 	session, err := mgo.Dial(url)
 	if err != nil {
+		logger.Logger.Errorf("newMgoSession err:%v", err)
 		return nil, err
 	}
 	session.SetSafe(&mgo.Safe{})
@@ -240,7 +242,7 @@ func (msm *MgoSessionMgr) GetPltMgoSession(plt, key string) *Session {
 	if c, ok := msm.GetCfg(plt, key); ok {
 		s, err := newMgoSession(c.Username, c.Password, c.HostName, c.HostPort, c.Options)
 		if s == nil || err != nil {
-			logger.Logger.Error("GetPltMgoSession(%s,%s) err:%v", plt, key, err)
+			logger.Logger.Errorf("GetPltMgoSession(%s,%s) err:%v config:%+v", plt, key, err, *c)
 			return nil
 		}
 		ss := &Session{Session: s, cfg: c}