this is as good as it gets

src/org/fog/placement/ModulePlacementEdgewards.java

@@ -6,6 +6,7 @@ import java.util.List;
 import java.util.Map;
 
 import org.apache.commons.math3.util.Pair;
+import org.cloudbus.cloudsim.Log;
 import org.cloudbus.cloudsim.core.CloudSim;
 import org.fog.application.AppEdge;
 import org.fog.application.AppModule;
@@ -220,6 +221,8 @@ public class ModulePlacementEdgewards extends ModulePlacement{
 					// FINDING OUT WHETHER PLACEMENT OF OPERATOR ON DEVICE IS POSSIBLE
 					for(AppEdge edge : getApplication().getEdges()){		// take all incoming edges
 						if(edge.getDestination().equals(moduleName)){
+							Log.printLine(moduleName);
+							Log.printLine(edge.getDestination());
 							double rate = appEdgeToRate.get(edge);
 							totalCpuLoad += rate*edge.getTupleCpuLength();
 						}

src/org/fog/test/perfeval/Birbnetes.java

@@ -74,15 +74,15 @@ public class Birbnetes {
         application.addAppModule("MainModule", 120);
         application.addAppModule("StorageModule", 120);
 
-        application.addAppEdge("Sensor", "ClientModule", 50, 8800,
+        application.addAppEdge("Sensor", "ClientModule", 4500, 8800,
                 "Sensor", Tuple.UP, AppEdge.SENSOR);
-        application.addAppEdge("ClientModule", "MainModule", 100,
+        application.addAppEdge("ClientModule", "MainModule", 3000,
                 1000, "PreProcessedData", Tuple.UP, AppEdge.MODULE);
-        application.addAppEdge("ClientModule", "StorageModule", 10,
+        application.addAppEdge("ClientModule", "StorageModule", 2500,
                 8800, "StoreData", Tuple.UP, AppEdge.MODULE);
-        application.addAppEdge("MainModule", "ClientModule", 200,
+        application.addAppEdge("MainModule", "ClientModule", 2000,
                 1000, "ProcessedData", Tuple.DOWN, AppEdge.MODULE);
-        application.addAppEdge("ClientModule", "Actuators", 50, 1000,
+        application.addAppEdge("ClientModule", "Actuators", 6000, 1000,
                 "OutputData", Tuple.DOWN, AppEdge.ACTUATOR);
 
         application.addTupleMapping("ClientModule", "Sensor", "PreProcessedData", new FractionalSelectivity(1.0));
@@ -93,15 +93,27 @@ public class Birbnetes {
                 "OutputData", new FractionalSelectivity(1.0));
 
         final AppLoop loop1 = new AppLoop(new ArrayList<>() {{
-            add("Sensor");
             add("ClientModule");
             add("StorageModule");
+        }});
+        final AppLoop loop2 = new AppLoop(new ArrayList<>() {{
+            add("ClientModule");
+            add("MainModule");
+            add("ClientModule");
+        }});
+        final AppLoop loop3 = new AppLoop(new ArrayList<>() {{
+            add("ClientModule");
+            add("MainModule");
+        }});
+        final AppLoop loop4 = new AppLoop(new ArrayList<>() {{
             add("MainModule");
             add("ClientModule");
-            add("Actuator");
         }});
         List<AppLoop> loops = new ArrayList<>() {{
             add(loop1);
+            add(loop2);
+            add(loop3);
+            add(loop4);
         }};
         application.setLoops(loops);
         return application;
@@ -114,7 +126,7 @@ public class Birbnetes {
         Sensor sensor = new Sensor("s-" + id, "Sensor", brokerId, appId, new DeterministicDistribution(getValue(5.00)));
         sensors.add(sensor);
         Actuator actuator = new Actuator("a-" + id, brokerId, appId,
-                "OutputData");
+                "Actuators");
         actuators.add(actuator);
         sensor.setGatewayDeviceId(lowLevelFogDevice.getId());
         sensor.setLatency(10.0);

src/org/fog/test/perfeval/Birbnetes_copyofdcnsfog.java

@@ -36,27 +36,25 @@ import java.util.List;
  *
  */
 public class Birbnetes_copyofdcnsfog {
-	static List<FogDevice> fogDevices = new ArrayList<FogDevice>();
+	static List<FogDevice> fogDevices = new ArrayList<>();
-	static List<Sensor> sensors = new ArrayList<Sensor>();
+	static List<Sensor> sensors = new ArrayList<>();
-	static List<Actuator> actuators = new ArrayList<Actuator>();
+	static List<Actuator> actuators = new ArrayList<>();
 	static int numOfAreas = 1;
-	static int numOfCamerasPerArea = 4;
+	static int numOfClientsPerArea = 4;
-	
-	private static boolean CLOUD = false;
 
 	public static void main(String[] args) {
 
-		Log.printLine("Starting DCNS...");
+		Log.printLine("Starting birbnetes...");
 
 		try {
-			Log.disable();
+			//Log.disable();
 			int num_user = 1; // number of cloud users
 			Calendar calendar = Calendar.getInstance();
 			boolean trace_flag = false; // mean trace events
 
 			CloudSim.init(num_user, calendar, trace_flag);
 
-			String appId = "dcns"; // identifier of the application
+			String appId = "birbnetes"; // identifier of the application
 			
 			FogBroker broker = new FogBroker("broker");
 			
@@ -65,19 +63,20 @@ public class Birbnetes_copyofdcnsfog {
 			
 			createFogDevices(broker.getId(), appId);
 			
-			Controller controller = null;
+			Controller controller;
 			
 			ModuleMapping moduleMapping = ModuleMapping.createModuleMapping(); // initializing a module mapping
 			for(FogDevice device : fogDevices){
 				if(device.getName().startsWith("m")){ // names of all Smart Cameras start with 'm' 
-					moduleMapping.addModuleToDevice("motion_detector", device.getName());  // fixing 1 instance of the Motion Detector module to each Smart Camera
+					moduleMapping.addModuleToDevice("input_svc", device.getName());  // fixing 1 instance of the Motion Detector module to each Smart Camera
 				}
 			}
-			moduleMapping.addModuleToDevice("user_interface", "cloud"); // fixing instances of User Interface module in the Cloud
+			moduleMapping.addModuleToDevice("alert_svc", "cloud"); // fixing instances of User Interface module in the Cloud
+			boolean CLOUD = false;
 			if(CLOUD){
 				// if the mode of deployment is cloud-based
-				moduleMapping.addModuleToDevice("object_detector", "cloud"); // placing all instances of Object Detector module in the Cloud
+				moduleMapping.addModuleToDevice("detector_svc", "cloud"); // placing all instances of Object Detector module in the Cloud
-				moduleMapping.addModuleToDevice("object_tracker", "cloud"); // placing all instances of Object Tracker module in the Cloud
+				moduleMapping.addModuleToDevice("storage_svc", "cloud"); // placing all instances of Object Tracker module in the Cloud
 			}
 			
 			controller = new Controller("master-controller", fogDevices, sensors, 
@@ -93,7 +92,7 @@ public class Birbnetes_copyofdcnsfog {
 
 			CloudSim.stopSimulation();
 
-			Log.printLine("VRGame finished!");
+			Log.printLine("birbnetes finished!");
 		} catch (Exception e) {
 			e.printStackTrace();
 			Log.printLine("Unwanted errors happen");
@@ -102,8 +101,8 @@ public class Birbnetes_copyofdcnsfog {
 	
 	/**
 	 * Creates the fog devices in the physical topology of the simulation.
-	 * @param userId
+	 * @param userId id of user/broker
-	 * @param appId
+	 * @param appId id of app
 	 */
 	private static void createFogDevices(int userId, String appId) {
 		FogDevice cloud = createFogDevice("cloud", 44800, 40000, 100, 10000, 0, 0.01, 16*103, 16*83.25);
@@ -118,26 +117,25 @@ public class Birbnetes_copyofdcnsfog {
 		}
 	}
 
-	private static FogDevice addArea(String id, int userId, String appId, int parentId){
+	private static void 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<numOfCamerasPerArea;i++){
+		for(int i = 0; i< numOfClientsPerArea; i++){
 			String mobileId = id+"-"+i;
-			FogDevice camera = addCamera(mobileId, userId, appId, router.getId()); // adding a smart camera to the physical topology. Smart cameras have been modeled as fog devices as well.
+			FogDevice client = addClient(mobileId, userId, appId, router.getId()); // adding a smart camera to the physical topology. Smart cameras have been modeled as fog devices as well.
-			camera.setUplinkLatency(2); // latency of connection between camera and router is 2 ms
+			client.setUplinkLatency(2); // latency of connection between camera and router is 2 ms
-			fogDevices.add(camera);
+			fogDevices.add(client);
 		}
 		router.setParentId(parentId);
-		return router;
 	}
 	
-	private static FogDevice addCamera(String id, int userId, String appId, int parentId){
+	private static FogDevice addClient(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
+		Sensor sensor = new Sensor("s-"+id, "SOUND", 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");
+		Actuator ptz = new Actuator("mqtt-"+id, userId, appId, "MQTT_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
@@ -155,14 +153,14 @@ public class Birbnetes_copyofdcnsfog {
 	 * @param downBw downlink bandwidth
 	 * @param level hierarchy level of the device
 	 * @param ratePerMips cost rate per MIPS used
-	 * @param busyPower
+	 * @param busyPower power consumption while busy
-	 * @param idlePower
+	 * @param idlePower power consumption at idle
-	 * @return
+	 * @return fogdevice
 	 */
 	private static FogDevice createFogDevice(String nodeName, long mips,
 			int ram, long upBw, long downBw, int level, double ratePerMips, double busyPower, double idlePower) {
 		
-		List<Pe> peList = new ArrayList<Pe>();
+		List<Pe> peList = new ArrayList<>();
 
 		// 3. Create PEs and add these into a list.
 		peList.add(new Pe(0, new PeProvisionerOverbooking(mips))); // need to store Pe id and MIPS Rating
@@ -181,7 +179,7 @@ public class Birbnetes_copyofdcnsfog {
 				new FogLinearPowerModel(busyPower, idlePower)
 			);
 
-		List<Host> hostList = new ArrayList<Host>();
+		List<Host> hostList = new ArrayList<>();
 		hostList.add(host);
 
 		String arch = "x86"; // system architecture
@@ -193,7 +191,7 @@ public class Birbnetes_copyofdcnsfog {
 		double costPerStorage = 0.001; // the cost of using storage in this
 										// resource
 		double costPerBw = 0.0; // the cost of using bw in this resource
-		LinkedList<Storage> storageList = new LinkedList<Storage>(); // we are not adding SAN
+		LinkedList<Storage> storageList = new LinkedList<>(); // we are not adding SAN
 													// devices by now
 
 		FogDeviceCharacteristics characteristics = new FogDeviceCharacteristics(
@@ -208,6 +206,7 @@ public class Birbnetes_copyofdcnsfog {
 			e.printStackTrace();
 		}
 
+		assert fogdevice != null;
 		fogdevice.setLevel(level);
 		return fogdevice;
 	}
@@ -216,43 +215,48 @@ public class Birbnetes_copyofdcnsfog {
 	 * Function to create the Intelligent Surveillance application in the DDF model. 
 	 * @param appId unique identifier of the application
 	 * @param userId identifier of the user of the application
-	 * @return
+	 * @return application
 	 */
-	@SuppressWarnings({"serial" })
 	private static Application createApplication(String appId, int userId){
 		
 		Application application = Application.createApplication(appId, userId);
 		/*
 		 * Adding modules (vertices) to the application model (directed graph)
 		 */
-		application.addAppModule("object_detector", 10);
+		application.addAppModule("input_svc", 10);
-		application.addAppModule("motion_detector", 10);
+		application.addAppModule("detector_svc", 10);
-		application.addAppModule("object_tracker", 10);
+		application.addAppModule("storage_svc", 10);
-		application.addAppModule("user_interface", 10);
+		application.addAppModule("alert_svc", 10);
 		
 		/*
 		 * Connecting the application modules (vertices) in the application model (directed graph) with edges
 		 */
-		application.addAppEdge("CAMERA", "motion_detector", 1000, 20000, "CAMERA", Tuple.UP, AppEdge.SENSOR); // adding edge from CAMERA (sensor) to Motion Detector module carrying tuples of type CAMERA
+		application.addAppEdge("SOUND", "input_svc", 1000, 20000, "SOUND", Tuple.UP, AppEdge.SENSOR); // adding edge from CAMERA (sensor) to Motion Detector module carrying tuples of type CAMERA
-		application.addAppEdge("motion_detector", "object_detector", 2000, 2000, "MOTION_VIDEO_STREAM", Tuple.UP, AppEdge.MODULE); // adding edge from Motion Detector to Object Detector module carrying tuples of type MOTION_VIDEO_STREAM
+		application.addAppEdge("input_svc", "detector_svc", 2000, 2000, "DATA", Tuple.UP, AppEdge.MODULE); // adding edge from Motion Detector to Object Detector module carrying tuples of type MOTION_VIDEO_STREAM
-		application.addAppEdge("object_detector", "user_interface", 500, 2000, "DETECTED_OBJECT", Tuple.UP, AppEdge.MODULE); // adding edge from Object Detector to User Interface module carrying tuples of type DETECTED_OBJECT
+		application.addAppEdge("detector_svc", "storage_svc", 500, 2000, "STORAGE_DATA", Tuple.UP, AppEdge.MODULE); // adding edge from Object Detector to User Interface module carrying tuples of type DETECTED_OBJECT
-		application.addAppEdge("object_detector", "object_tracker", 1000, 100, "OBJECT_LOCATION", Tuple.UP, AppEdge.MODULE); // adding edge from Object Detector to Object Tracker module carrying tuples of type OBJECT_LOCATION
+		application.addAppEdge("detector_svc", "alert_svc", 1000, 100, "SMALL_DATA", Tuple.UP, AppEdge.MODULE); // adding edge from Object Detector to Object Tracker module carrying tuples of type OBJECT_LOCATION
-		application.addAppEdge("object_tracker", "PTZ_CONTROL", 100, 28, 100, "PTZ_PARAMS", Tuple.DOWN, AppEdge.ACTUATOR); // adding edge from Object Tracker to PTZ CONTROL (actuator) carrying tuples of type PTZ_PARAMS
+		application.addAppEdge("alert_svc", "MQTT_CONTROL", 100, 28, 100, "MQTT_DATA", Tuple.DOWN, AppEdge.ACTUATOR); // adding edge from Object Tracker to PTZ CONTROL (actuator) carrying tuples of type PTZ_PARAMS
 		
 		/*
 		 * Defining the input-output relationships (represented by selectivity) of the application modules. 
 		 */
-		application.addTupleMapping("motion_detector", "CAMERA", "MOTION_VIDEO_STREAM", new FractionalSelectivity(1.0)); // 1.0 tuples of type MOTION_VIDEO_STREAM are emitted by Motion Detector module per incoming tuple of type CAMERA
+		application.addTupleMapping("input_svc", "SOUND", "DATA", new FractionalSelectivity(1.0)); // 1.0 tuples of type MOTION_VIDEO_STREAM are emitted by Motion Detector module per incoming tuple of type CAMERA
-		application.addTupleMapping("object_detector", "MOTION_VIDEO_STREAM", "OBJECT_LOCATION", new FractionalSelectivity(1.0)); // 1.0 tuples of type OBJECT_LOCATION are emitted by Object Detector module per incoming tuple of type MOTION_VIDEO_STREAM
+		application.addTupleMapping("detector_svc", "DATA", "SMALL_DATA", new FractionalSelectivity(1.0)); // 1.0 tuples of type OBJECT_LOCATION are emitted by Object Detector module per incoming tuple of type MOTION_VIDEO_STREAM
-		application.addTupleMapping("object_detector", "MOTION_VIDEO_STREAM", "DETECTED_OBJECT", new FractionalSelectivity(0.05)); // 0.05 tuples of type MOTION_VIDEO_STREAM are emitted by Object Detector module per incoming tuple of type MOTION_VIDEO_STREAM
+		application.addTupleMapping("detector_svc", "DATA", "STORAGE_DATA", new FractionalSelectivity(1.0)); // 1.0 tuples of type OBJECT_LOCATION are emitted by Object Detector module per incoming tuple of type MOTION_VIDEO_STREAM
+		application.addTupleMapping("alert_svc", "SMALL_DATA", "MQTT_DATA", new FractionalSelectivity(1.0));
 
 		/*
 		 * Defining application loops (maybe incomplete loops) to monitor the latency of. 
 		 * Here, we add two loops for monitoring : Motion Detector -> Object Detector -> Object Tracker and Object Tracker -> PTZ Control
 		 */
-		final AppLoop loop1 = new AppLoop(new ArrayList<String>(){{add("motion_detector");add("object_detector");add("object_tracker");}});
+		final AppLoop loop1 = new AppLoop(new ArrayList<>(){{add("input_svc");add("detector_svc");add("alert_svc");}});
-		final AppLoop loop2 = new AppLoop(new ArrayList<String>(){{add("object_tracker");add("PTZ_CONTROL");}});
+		final AppLoop loop2 = new AppLoop(new ArrayList<>(){{add("input_svc");add("detector_svc");add("storage_svc");}});
-		List<AppLoop> loops = new ArrayList<AppLoop>(){{add(loop1);add(loop2);}};
+		final AppLoop loop3 = new AppLoop(new ArrayList<>(){{add("alert_svc");add("MQTT_CONTROL");}});
+		final AppLoop loop4 = new AppLoop(new ArrayList<>(){{add("SOUND");add("input_svc");}});
+		final AppLoop loop5 = new AppLoop(new ArrayList<>(){{add("input_svc");add("detector_svc");}});
+		final AppLoop loop6 = new AppLoop(new ArrayList<>(){{add("detector_svc");add("storage_svc");}});
+		final AppLoop loop7 = new AppLoop(new ArrayList<>(){{add("detector_svc");add("alert_svc");}});
+		List<AppLoop> loops = new ArrayList<>(){{add(loop1);add(loop2);add(loop3);add(loop4);add(loop5);add(loop6);add(loop7);}};
 		
 		application.setLoops(loops);
 		return application;