static List fogDevices = new ArrayList();

static List sensors = new ArrayList();

static List actuators = new ArrayList();

static int numOfAreas = 1;

static int numOfCamerasPerArea = 4;

private static void createFogDevices(int userId, String appId) {

FogDevice cloud = createFogDevice("cloud", 44800, 40000, 100, 10000, 0, 0.01, 16*103, 16*83.25);

cloud.setParentId(-1);

fogDevices.add(cloud);

FogDevice proxy = createFogDevice("proxy-server", 2800, 4000, 10000, 10000, 1, 0.0, 107.339, 83.4333);

proxy.setParentId(cloud.getId());

proxy.setUplinkLatency(100);

fogDevices.add(proxy);

for(int i=0;i

addArea(i+"", userId, appId, proxy.getId());

}

}

private static FogDevice addArea(String id, int userId, String appId, int parentId){

FogDevice router = createFogDevice("d-"+id, 2800, 4000, 10000, 10000, 1, 0.0, 107.339, 83.4333);

fogDevices.add(router);

router.setUplinkLatency(2); // latency of connection between router and proxy server is 2 ms

for(int i=0;i

String mobileId = id+"-"+i;

FogDevice camera = addCamera(mobileId, userId, appId, router.getId());

camera.setUplinkLatency(2);

fogDevices.add(camera);

}

router.setParentId(parentId);

return router;

}

private static FogDevice addCamera(String id, int userId, String appId, int parentId){

FogDevice camera = createFogDevice("m-"+id, 500, 1000, 10000, 10000, 3, 0, 87.53, 82.44);

camera.setParentId(parentId);

Sensor sensor = new Sensor("s-"+id, "CAMERA", userId, appId, new DeterministicDistribution(5)); // inter-transmission time of camera (sensor) follows a deterministic distribution

sensors.add(sensor);

Actuator ptz = new Actuator("ptz-"+id, userId, appId, "PTZ_CONTROL");

actuators.add(ptz);

sensor.setGatewayDeviceId(camera.getId());

sensor.setLatency(1.0); // latency of connection between camera (sensor) and the parent Smart Camera is 1 ms

ptz.setGatewayDeviceId(camera.getId());

ptz.setLatency(1.0); // latency of connection between PTZ Control and the parent Smart Camera is 1 ms

return camera;

}