func (self *MsgServer) procQuitTopic(clientID string, topicName string) error { log.Info("procQuitTopic") var err error var topicCacheData *redis_store.TopicCacheData var sessionCacheData *redis_store.SessionCacheData var sessionStoreData *mongo_store.SessionStoreData // check whether the topic exist topicCacheData, err = self.topicCache.Get(topicName) if topicCacheData == nil { log.Warningf("TOPIC %s not exist", topicName) return common.TOPIC_NOT_EXIST } if !topicCacheData.MemberExist(clientID) { log.Warningf("member %s is not in topic %s", clientID, topicName) return common.NOT_MEMBER } // update topic cache and store topicCacheData.RemoveMember(clientID) err = self.topicCache.Set(topicCacheData) if err != nil { log.Error(err.Error()) return err } log.Infof("member %s removed from topic CACHE %s", clientID, topicName) err = self.mongoStore.Set(topicCacheData.TopicStoreData) if err != nil { log.Error(err.Error()) return err } log.Infof("member %s removed from topic STORE %s", clientID, topicName) // update session cache and store sessionStoreData, err = self.mongoStore.GetSessionFromCid(clientID) if sessionStoreData == nil { log.Warningf("ID %s not registered in STORE", clientID) } else { log.Infof("remove topic %s from Client STORE %s", topicName, clientID) sessionStoreData.RemoveTopic(topicName) err = self.mongoStore.Set(sessionStoreData) if err != nil { log.Error(err.Error()) return err } log.Infof("topic %s removed from Client STORE %s", topicName, clientID) sessionCacheData, err = self.sessionCache.Get(clientID) if sessionCacheData != nil { log.Infof("remove topic %s from Client CACHE %s", topicName, clientID) sessionCacheData.RemoveTopic(topicName) err = self.sessionCache.Set(sessionCacheData) if err != nil { log.Error(err.Error()) return err } log.Infof("topic %s removed from Client CACHE %s", topicName, clientID) } } return nil }