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
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)
err = self.mongoStore.Set(sessionCacheData.SessionStoreData)
if err != nil {
log.Error(err.Error())
return err
}
log.Infof("topic %s removed from Client STORE %s", topicName, clientID)
if sessionCacheData.Alive {
// update AliveMemberNumMap[server]
if v, ok := topicCacheData.AliveMemberNumMap[sessionCacheData.MsgServerAddr]; ok {
if v > 0 {
topicCacheData.AliveMemberNumMap[sessionCacheData.MsgServerAddr] = v - 1
} else {
topicCacheData.AliveMemberNumMap[sessionCacheData.MsgServerAddr] = 0
}
self.topicCache.Set(topicCacheData)
}
}
} else {
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)
}
}
return nil
}
