FROG: A Robust and Green Wireless Sensor Node for Fog Computing Platforms

Algorithm 1

(Network Resilience Algorithm).

1: procedure BALANCEGAME

2:  timeLoop ← 1

3:  lookForRouter ← FALSE

4:  whileTRUEdo

5:    secondLevelDevices ← coordinatorDevice.findConnectedDevices()

6:    indexDevice ← 0

7:    forindexDevice < secondLevelDevices.size() do

8:      device ← secondLevelDevices[indexDevice]

9:      ifdevice.getRole() == ROUTER-NODE then

10      ifdevice.getBatteryLevel() <= 50 then

11:       device.setRole(END − NODE)

12:       lookForRouter ← TRUE

13:      end if

14:    else

15:      iflookForRouter == TRUEthen

16:       ifdevice.getBatteryLevel() >= 70 then

17:        device.setRole(ROUTER − NODE)

18:        lookForRouter ← FALSE

19:       end if

20:      end if

21:    end if

22:   end for

23:    sleep(timeLoop)

24:  end while

25: end procedure