Golang Session.Conn方法代碼示例

func (self *Router) handleMsgServerClient(msc *libnet.Session) {
	msc.Process(func(msg *libnet.InBuffer) error {
		log.Info("msg_server", msc.Conn().RemoteAddr().String(), " say: ", string(msg.Data))
		var c protocol.CmdInternal
		pp := NewProtoProc(self)
		err := json.Unmarshal(msg.Data, &c)
		if err != nil {
			log.Error("error:", err)
			return err
		}
		switch c.GetCmdName() {
		case protocol.REQ_SEND_P2P_MSG_CMD:
			err := pp.procSendMsgP2P(&c, msc)
			if err != nil {
				log.Warning(err.Error())
			}

		case protocol.IND_ACK_P2P_STATUS_CMD:
			err := pp.procAckP2pStatus(&c, msc)
			if err != nil {
				log.Warning(err.Error())
			}

		case protocol.REQ_SEND_TOPIC_MSG_CMD:
			err := pp.procSendMsgTopic(&c, msc)
			if err != nil {
				log.Warning(err.Error())
			}

		}
		return nil
	})
}

func (self *ProtoProc) procLogin(cmd protocol.Cmd, session *libnet.Session) error {
	//log.Info("procLogin")
	var err error
	var uuid string
	var msgServer string

	ClientID := cmd.GetArgs()[0]
	ClientType := cmd.GetArgs()[1]
	ClientPwd := cmd.GetArgs()[2]

	// get the session cache
	sessionCacheData, err := self.gateway.sessionCache.Get(ClientID)
	if sessionCacheData != nil {
		log.Warningf("ID %s already login", ClientID)

		msgServer = sessionCacheData.MsgServerAddr
		uuid = sessionCacheData.ID
	} else {
		// choose msg server and allocate UUID
		msgServer = self.procGetMinLoadMsgServer()
		uuid = common.NewV4().String()
		// get the session store to check whether registered
		sessionStoreData, _ := self.gateway.mongoStore.GetSessionFromCid(ClientID)
		if sessionStoreData == nil {
			log.Warningf("ID %s not registered", ClientID)

			// for store data
			sessionStoreData = mongo_store.NewSessionStoreData(ClientID, ClientPwd, ClientType)
			log.Info(sessionStoreData)
			common.StoreData(self.gateway.mongoStore, sessionStoreData)
		}
		// for cache data, MsgServer MUST update local & remote addr.
		sessionCacheData = redis_store.NewSessionCacheData(sessionStoreData, session.Conn().RemoteAddr().String(), msgServer, uuid)
		log.Info(sessionCacheData)
		common.StoreData(self.gateway.sessionCache, sessionCacheData)
	}
	//
	resp := protocol.NewCmdSimple(protocol.RSP_LOGIN_CMD)
	resp.AddArg(protocol.RSP_SUCCESS)
	resp.AddArg(uuid)
	resp.AddArg(msgServer)

	log.Info("Resp | ", resp)

	if session != nil {
		err = session.Send(libnet.Json(resp))
		if err != nil {
			log.Error(err.Error())
		}
		session.Close()
		log.Info("client ", session.Conn().RemoteAddr().String(), " | close")
	}
	return nil
}

/*
   MsgServer -> Router
       REQ_SEND_P2P_MSG_CMD
       arg0: Sent2ID       //接收方用戶ID
       arg1: Msg           //消息內容
       arg2: FromID        //發送方用戶ID
       arg3: uuid          //MsgServer分配的消息uuid
*/
func (self *ProtoProc) procSendMsgP2P(cmd protocol.Cmd, session *libnet.Session) error {
	log.Info("procSendMsgP2P")
	var err error
	send2ID := cmd.GetArgs()[0]
	send2Msg := cmd.GetArgs()[1]
	log.Info(send2Msg)

	self.Router.readMutex.Lock()
	defer self.Router.readMutex.Unlock()
	cacheSession, err := self.Router.sessionCache.Get(send2ID)
	if cacheSession == nil || cacheSession.Alive == false {
		storeSession, err := self.Router.mongoStore.GetSessionFromCid(send2ID)
		if err != nil {
			log.Warningf("ID %s not registered, msg dropped", send2ID)
			return err
		}
		log.Info(storeSession)
		log.Warningf("ID registered but offline: %s", send2ID)

		cmd.ChangeCmdName(protocol.ROUTE_SEND_P2P_MSG_CMD)
		//ms := self.Router.cfg.MsgServerList[0]
		ms := session.Conn().RemoteAddr().String()
		err = self.Router.msgServerClientMap[ms].Send(libnet.Json(cmd))
		if err != nil {
			log.Error("error:", err)
			return err
		}
	} else {
		log.Info(cacheSession.MsgServerAddr)

		cmd.ChangeCmdName(protocol.ROUTE_SEND_P2P_MSG_CMD)
		log.Info(cmd)
		err = self.Router.msgServerClientMap[cacheSession.MsgServerAddr].Send(libnet.Json(cmd))
		if err != nil {
			log.Error("error:", err)
			return err
		}
	}

	return nil
}

/*
   Router -> MsgServer
       ROUTE_SEND_TOPIC_MSG_CMD
       arg0: ClientID      //發送方用戶ID
       arg1: ClientType    //發送方終端類型，是client還是device
       arg2: Msg           //消息內容
       arg3: TopicName     //群組名, device無須提供
*/
func (self *ProtoProc) procSendMsgTopic(cmd protocol.Cmd, session *libnet.Session) error {
	log.Info("procSendMsgTopic")
	var err error
	ms := session.Conn().RemoteAddr().String()

	//send2Msg := cmd.GetArgs()[0]
	topicName := cmd.GetArgs()[1]
	//fromID := cmd.GetArgs()[2]
	//fromType := cmd.GetArgs()[3]

	// check whether the topic exist
	topicCacheData, err := self.Router.topicCache.Get(topicName)
	if topicCacheData == nil {
		log.Warningf("TOPIC %s not exist: %s", topicName, err.Error())
		return err
	}

	cmd.ChangeCmdName(protocol.ROUTE_SEND_TOPIC_MSG_CMD)
	log.Info(protocol.ROUTE_SEND_TOPIC_MSG_CMD)
	log.Info(cmd)

	for ip, num := range topicCacheData.AliveMemberNumMap {
		if num > 0 {
			log.Warningf("topic %s has %d member(s) in ip %s", topicName, num, ip)
			if ip != ms {
				// not in this server, routing it
				err = self.Router.msgServerClientMap[ip].Send(libnet.Json(cmd))
				if err != nil {
					log.Error("error:", err)
					return err
				}
			}
		}
	}

	return nil
}

func (self *MsgServer) parseProtocol(cmd []byte, session *libnet.Session) error {
	var c protocol.CmdSimple
	err := json.Unmarshal(cmd, &c)
	if err != nil {
		log.Error("error:", err)
		return err
	}

	pp := NewProtoProc(self)

	self.readMutex.Lock()
	defer self.readMutex.Unlock()

	log.Infof("[%s]->[%s]", session.Conn().RemoteAddr().String(), self.cfg.LocalIP)
	log.Info(c)
	switch c.GetCmdName() {
	case protocol.SEND_PING_CMD:
		err = pp.procPing(&c, session)
		if err != nil {
			log.Error("error:", err)
			return err
		}
	case protocol.SUBSCRIBE_CHANNEL_CMD:
		pp.procSubscribeChannel(&c, session)

	case protocol.REQ_LOGIN_CMD:
		err = pp.procLogin(&c, session)
		if err != nil {
			log.Error("error:", err)
			return err
		}

	case protocol.REQ_LOGOUT_CMD:
		err = pp.procLogout(&c, session)
		if err != nil {
			log.Error("error:", err)
			return err
		}

	case protocol.REQ_SEND_P2P_MSG_CMD:
		err = pp.procSendMessageP2P(&c, session)
		if err != nil {
			log.Error("error:", err)
			return err
		}
	case protocol.ROUTE_SEND_P2P_MSG_CMD:
		err = pp.procRouteMessageP2P(&c, session)
		if err != nil {
			log.Error("error:", err)
			return err
		}

	// p2p ack
	case protocol.IND_ACK_P2P_STATUS_CMD:
		err = pp.procP2pAck(&c, session)
		if err != nil {
			log.Error("error:", err)
			return err
		}
	// p2p ack
	case protocol.ROUTE_ACK_P2P_STATUS_CMD:
		err = pp.procP2pAck(&c, session)
		if err != nil {
			log.Error("error:", err)
			return err
		}

	case protocol.REQ_SEND_TOPIC_MSG_CMD:
		err = pp.procSendTopicMsg(&c, session)
		if err != nil {
			log.Error("error:", err)
			return err
		}
	case protocol.ROUTE_SEND_TOPIC_MSG_CMD:
		err = pp.procRouteTopicMsg(&c, session)
		if err != nil {
			log.Error("error:", err)
			return err
		}

	case protocol.REQ_CREATE_TOPIC_CMD:
		err = pp.procCreateTopic(&c, session)
		if err != nil {
			log.Error("error:", err)
			return err
		}

	case protocol.REQ_ADD_2_TOPIC_CMD:
		err = pp.procAdd2Topic(&c, session)
		if err != nil {
			log.Error("error:", err)
			return err
		}

	case protocol.REQ_KICK_TOPIC_CMD:
		err = pp.procKickTopic(&c, session)
		if err != nil {
			log.Error("error:", err)
			return err
		}
//.........這裏部分代碼省略.........