Golang BuffPool.RemoveClient方法代碼示例

func (this *DispatcherOutComponent) checkConnActivity(Time time.Time, client *model.Client, buffPool *buffpool.BuffPool, number uint16, userUuid string, devID uint32, token uint8) bool {
	//5分鍾
	if time.Now().Sub(Time) > define.KEEP_ALIVE_PEORID {
		if client.Conn != nil {
			(*client.Conn).Close()
		}
		if token > 0 {
			err := buffPool.RemoveClient(number, userUuid, devID, token)
			if err != nil {
				err = errors.New("DispatcherComponent.checkConnActivity() Error:can not remove invalid client's connection, " + err.Error())
				fmt.Println(err.Error())
				return false
			}
			clientArr := buffPool.QueryForDeviceId(number, userUuid, devID)
			if clientArr == nil || len(clientArr) == 0 {
				//offline broadcast
				unregister := GetUnregisterComponent()
				if unregister != nil {
					err2 := unregister.offlineBroadcast(buffPool, userUuid, devID)
					if err2 != nil {
						err2 = errors.New("cDispatcherComponent.checkConnActivity() Error: " + err2.Error())
						fmt.Println(err2.Error())
					}
				} else {
					fmt.Println("DispatcherComponent.checkConnActivity() Error: one client disconnected, but offline broadcast send failed, ")
				}
			}

		}
		return false
	}
	return true
}

func (this *UnregisterComponent) unregisterClient(buffPool *buffpool.BuffPool, msg *protocol.Message) error {
	if buffPool == nil || msg == nil {
		err := errors.New("UnregisterComponent.unregisterClient() Error: invalid argument")
		fmt.Println(err.Error())
		return err
	}
	clientConn := buffPool.GetClient(msg.Number, msg.UserUuid, msg.DeviceId, msg.Token)
	if clientConn == nil {
		return nil
	}

	//only remove conn from connPool, but do not disconnect this connection
	err := buffPool.RemoveClient(msg.Number, msg.UserUuid, msg.DeviceId, msg.Token)
	(*clientConn.Conn).Close()
	if err != nil {
		err = errors.New("UnregisterComponent.unregisterClient() Error: " + err.Error())
		fmt.Println(err.Error())
		//send failed response to client
		resp, err2 := protocol.NewMessage(protocol.VERSION, protocol.MT_ERROR, protocol.PT_PUSHSERVER, msg.Token, msg.Number, uint16(0),
			P_UID, msg.UserUuid, msg.DeviceId, nil)
		if err2 != nil {
			err2 = errors.New("UnregisterComponent.unregisterClient() Error:" + err2.Error())
			fmt.Println(err2.Error())
			return err2
		}
		err3 := sendResponse(clientConn.Conn, resp)
		if err3 != nil {
			err3 = errors.New("UnregisterComponent.unregisterClient() Error:, " + err3.Error())
			fmt.Println(err3.Error())
			return err3
		}
		return err
	}

	//offline broadcast
	err = this.offlineBroadcast(buffPool, msg.UserUuid, msg.DeviceId)
	if err != nil {
		err = errors.New("UnregisterComponent.unregisterClient() Error: offlineBroadcast send failed, " + err.Error())
		fmt.Println(err.Error())
	}

	resp, err := protocol.NewMessage(protocol.VERSION, protocol.MT_UNREGISTER, protocol.PT_PUSHSERVER, msg.Token, msg.Number, uint16(0),
		P_UID, msg.UserUuid, msg.DeviceId, nil)
	if err != nil {
		err = errors.New("UnregisterComponent.unregisterClient() Error: conn is removed from BuffPool, but can not send response to service" + err.Error())
		fmt.Println(err.Error())
		return err
	}
	err2 := sendResponse(clientConn.Conn, resp)
	if err2 != nil {
		err2 = errors.New("UnregisterComponent.unregisterClient() Error:conn is reomved from BuffPool, but failed when send response to service" + err2.Error())
		return err2
	}
	return nil
}

func (this *RegisterComponent) listenClient(conn *net.Conn, buffPool *buffpool.BuffPool, number uint16, userUuid string, deviceID uint32, token uint8) error {
	if buffPool == nil {
		err := errors.New("RegisterComponent listenClient() Error: invalid argument")
		fmt.Println(err.Error())
		return err
	}
	if conn == nil {
		err := errors.New("RegisterComponent listenClient() Error:invalid argument")
		fmt.Println(err.Error())
		fmt.Println("the invalid client connection will be removed")
		err2 := buffPool.RemoveClient(number, userUuid, deviceID, token)
		if err2 != nil {
			err2 = errors.New("RegisterComponent listenClient() Error:remove the invalid client's connection failed" + err2.Error())
			fmt.Println(err2.Error())
			return err2
		}
		fmt.Println("the invalid client connection has been removed")
		return err
	}
	var dispatcher *DispatcherComponent
	for {
		dispatcher = GetDispatcherComponent()
		if dispatcher != nil {
			break
		} else {
			fmt.Println("RegisterComponent listenClient() Error:can not get DispatcherComponent, will try again")
		}
	}

	for {
		msg, err := this.readMessage(conn)
		if err != nil && err != io.EOF && conn != nil {
			err = errors.New("RegisterComponent listenClient() Error " + err.Error())
			fmt.Println(err.Error())
			continue
		} else if err != nil && (err == io.EOF || conn == nil) {
			err = errors.New("RegisterComponent listenClient() Error the connection is invalid, " + err.Error())
			err2 := buffPool.RemoveClient(number, userUuid, deviceID, token)
			if conn != nil {
				(*conn).Close()
			}
			if err2 != nil {
				err2 = errors.New("RegisterComponent listenClient() Error: can not remove invalid client's connection, " + err2.Error())
				fmt.Println(err2.Error())
				return err2
			}
			clientArr := buffPool.QueryForDeviceId(number, userUuid, deviceID)
			if clientArr == nil || len(clientArr) == 0 {
				//offline broadcast
				unregister := GetUnregisterComponent()
				if unregister != nil {
					err3 := unregister.offlineBroadcast(buffPool, userUuid, deviceID)
					if err3 != nil {
						err3 = errors.New("RegisterComponent listenClient() Error:one client disconnected but offlineBroadcast send failed, " + err3.Error())
						fmt.Println(err3.Error())
					}
				} else {
					fmt.Println("RegisterComponent listenClient() Error:one client disconnected but offlineBroadcast send failed")
				}
			}

			return err
		}
		//push to DispatcherQueue
		if msg == nil {
			continue
		}
		dispatcher.NPushBack(msg, true) //need forward
	}
	return nil
}