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Torma Kristóf
2021-04-06 00:45:28 +02:00
commit 17fabc368e
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102
src/org/fog/test/CleanFromJson.java Normal file
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package org.fog.test;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
import org.cloudbus.cloudsim.Log;
import org.cloudbus.cloudsim.core.CloudSim;
import org.fog.application.AppEdge;
import org.fog.application.AppLoop;
import org.fog.application.Application;
import org.fog.application.selectivity.FractionalSelectivity;
import org.fog.entities.FogBroker;
import org.fog.entities.PhysicalTopology;
import org.fog.entities.Tuple;
import org.fog.placement.Controller;
import org.fog.placement.ModuleMapping;
import org.fog.placement.ModulePlacementEdgewards;
import org.fog.utils.JsonToTopology;
/**
* Simulation setup for EEG Beam Tractor Game extracting physical topology
* @author Harshit Gupta
*
*/
public class CleanFromJson {
public static void main(String[] args) {
Log.printLine("Starting VRGame...");
try {
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 = "vr_game";
FogBroker broker = new FogBroker("broker");
Application application = createApplication(appId, broker.getId());
application.setUserId(broker.getId());
/*
* Creating the physical topology from specified JSON file
*/
PhysicalTopology physicalTopology = JsonToTopology.getPhysicalTopology(broker.getId(), appId, "topologies/routerTopology");
Controller controller = new Controller("master-controller", physicalTopology.getFogDevices(), physicalTopology.getSensors(),
physicalTopology.getActuators());
controller.submitApplication(application, 0, new ModulePlacementEdgewards(physicalTopology.getFogDevices(),
physicalTopology.getSensors(), physicalTopology.getActuators(),
application, ModuleMapping.createModuleMapping()));
CloudSim.startSimulation();
CloudSim.stopSimulation();
Log.printLine("VRGame finished!");
} catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
}
}
@SuppressWarnings({ "serial" })
private static Application createApplication(String appId, int userId){
Application application = Application.createApplication(appId, userId);
application.addAppModule("client", 10);
application.addAppModule("classifier", 10);
application.addAppModule("tuner", 10);
application.addTupleMapping("client", "TEMP", "_SENSOR", new FractionalSelectivity(1.0));
application.addTupleMapping("client", "CLASSIFICATION", "ACTUATOR", new FractionalSelectivity(1.0));
application.addTupleMapping("classifier", "_SENSOR", "CLASSIFICATION", new FractionalSelectivity(1.0));
application.addTupleMapping("classifier", "_SENSOR", "HISTORY", new FractionalSelectivity(0.1));
application.addTupleMapping("tuner", "HISTORY", "TUNING_PARAMS", new FractionalSelectivity(1.0));
application.addAppEdge("TEMP", "client", 1000, 100, "TEMP", Tuple.UP, AppEdge.SENSOR);
application.addAppEdge("client", "classifier", 8000, 100, "_SENSOR", Tuple.UP, AppEdge.MODULE);
application.addAppEdge("classifier", "tuner", 1000000, 100, "HISTORY", Tuple.UP, AppEdge.MODULE);
application.addAppEdge("classifier", "client", 1000, 100, "CLASSIFICATION", Tuple.DOWN, AppEdge.MODULE);
application.addAppEdge("tuner", "classifier", 1000, 100, "TUNING_PARAMS", Tuple.DOWN, AppEdge.MODULE);
application.addAppEdge("client", "MOTOR", 1000, 100, "ACTUATOR", Tuple.DOWN, AppEdge.ACTUATOR);
final AppLoop loop1 = new AppLoop(new ArrayList<String>(){{add("TEMP");add("client");add("classifier");add("client");add("MOTOR");}});
final AppLoop loop2 = new AppLoop(new ArrayList<String>(){{add("classifier");add("tuner");add("classifier");}});
List<AppLoop> loops = new ArrayList<AppLoop>(){{add(loop1);add(loop2);}};
application.setLoops(loops);
//GeoCoverage geoCoverage = new GeoCoverage(-100, 100, -100, 100);
return application;
}
}

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src/org/fog/test/perfeval/Birbnetes.java Normal file
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package org.fog.test.perfeval;
import org.cloudbus.cloudsim.Host;
import org.cloudbus.cloudsim.Log;
import org.cloudbus.cloudsim.Pe;
import org.cloudbus.cloudsim.Storage;
import org.cloudbus.cloudsim.core.CloudSim;
import org.cloudbus.cloudsim.power.PowerHost;
import org.cloudbus.cloudsim.provisioners.RamProvisionerSimple;
import org.cloudbus.cloudsim.sdn.overbooking.BwProvisionerOverbooking;
import org.cloudbus.cloudsim.sdn.overbooking.PeProvisionerOverbooking;
import org.fog.application.AppEdge;
import org.fog.application.AppLoop;
import org.fog.application.Application;
import org.fog.application.selectivity.FractionalSelectivity;
import org.fog.entities.*;
import org.fog.placement.Controller;
import org.fog.placement.ModuleMapping;
import org.fog.placement.ModulePlacementEdgewards;
import org.fog.policy.AppModuleAllocationPolicy;
import org.fog.scheduler.StreamOperatorScheduler;
import org.fog.utils.FogLinearPowerModel;
import org.fog.utils.FogUtils;
import org.fog.utils.TimeKeeper;
import org.fog.utils.distribution.DeterministicDistribution;
import java.util.*;
public class Birbnetes {
static int numOfFogDevices = 2;
static int numOfClientsPerFogDevice = 10;
static List<FogDevice> fogDevices = new ArrayList<>();
static Map<String, Integer> getIdByName = new HashMap<>();
static List<Sensor> sensors = new ArrayList<>();
static List<Actuator> actuators = new ArrayList<>();
private static FogDevice createAFogDevice(String nodeName, long mips,
int ram, long upBw, long downBw, int level, double ratePerMips, double busyPower, double idlePower) {
List<Pe> peList = new ArrayList<>();
peList.add(new Pe(0, new PeProvisionerOverbooking(mips)));
int hostId = FogUtils.generateEntityId();
long storage = 1000000;
int bw = 10000;
PowerHost host = new PowerHost(hostId, new RamProvisionerSimple(ram), new BwProvisionerOverbooking(bw), storage, peList, new StreamOperatorScheduler(peList), new FogLinearPowerModel(busyPower,
idlePower));
List<Host> hostList = new ArrayList<>();
hostList.add(host);
String arch = "x86";
String os = "Linux";
String vmm = "Xen";
double time_zone = 10.0;
double cost = 3.0;
double costPerMem = 0.05;
double costPerStorage = 0.001;
double costPerBw = 0.0;
LinkedList<Storage> storageList = new LinkedList<>();
FogDeviceCharacteristics characteristics = new FogDeviceCharacteristics(arch, os, vmm, host, time_zone, cost,
costPerMem, costPerStorage, costPerBw);
FogDevice fogdevice = null;
try {
fogdevice = new FogDevice(nodeName, characteristics,
new AppModuleAllocationPolicy(hostList), storageList, 10, upBw, downBw, 0, ratePerMips);
} catch (Exception e) {
e.printStackTrace();
}
assert fogdevice != null;
fogdevice.setLevel(level);
return fogdevice;
}
private static Application createApplication(String appId, int brokerId) {
Application application = Application.createApplication(appId, brokerId);
application.addAppModule("ClientModule", 10);
application.addAppModule("MainModule", 120);
application.addAppModule("StorageModule", 120);
application.addAppEdge("Sensor", "ClientModule", 50, 8800,
"Sensor", Tuple.UP, AppEdge.SENSOR);
application.addAppEdge("ClientModule", "MainModule", 100,
1000, "PreProcessedData", Tuple.UP, AppEdge.MODULE);
application.addAppEdge("ClientModule", "StorageModule", 10,
8800, "StoreData", Tuple.UP, AppEdge.MODULE);
application.addAppEdge("MainModule", "ClientModule", 200,
1000, "ProcessedData", Tuple.DOWN, AppEdge.MODULE);
application.addAppEdge("ClientModule", "Actuators", 50, 1000,
"OutputData", Tuple.DOWN, AppEdge.ACTUATOR);
application.addTupleMapping("ClientModule", "Sensor", "PreProcessedData", new FractionalSelectivity(1.0));
application.addTupleMapping("ClientModule", "Sensor", "StoreData", new FractionalSelectivity(1.0));
application.addTupleMapping("MainModule", "PreProcessedData",
"ProcessedData", new FractionalSelectivity(1.0));
application.addTupleMapping("ClientModule", "ProcessedData",
"OutputData", new FractionalSelectivity(1.0));
final AppLoop loop1 = new AppLoop(new ArrayList<>() {{
add("Sensor");
add("ClientModule");
add("StorageModule");
add("MainModule");
add("ClientModule");
add("Actuator");
}});
List<AppLoop> loops = new ArrayList<>() {{
add(loop1);
}};
application.setLoops(loops);
return application;
}
private static FogDevice addLowLevelFogDevice(String id, int brokerId, String appId, int parentId) {
FogDevice lowLevelFogDevice = createAFogDevice("LowLevelFogDevice-" + id, 1000, 1000, 10000, 270, 2, 0, 87.53, 82.44);
lowLevelFogDevice.setParentId(parentId);
getIdByName.put(lowLevelFogDevice.getName(), lowLevelFogDevice.getId());
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.add(actuator);
sensor.setGatewayDeviceId(lowLevelFogDevice.getId());
sensor.setLatency(6.0);
actuator.setGatewayDeviceId(lowLevelFogDevice.getId());
actuator.setLatency(1.0);
return lowLevelFogDevice;
}
private static double getValue(double min) {
Random rn = new Random();
return rn.nextDouble() * 10 + min;
}
private static void createFogDevices(int brokerId, String appId) {
FogDevice cloud = createAFogDevice("cloud", 44800, 64000, 10000,
10000, 0, 0.01, 16 * 103, 16 * 83.25);
cloud.setParentId(-1);
fogDevices.add(cloud);
getIdByName.put(cloud.getName(), cloud.getId());
for (int i = 0; i < numOfFogDevices; i++) {
FogDevice device = createAFogDevice("FogDevice-" + i, 4000, 4000,
1000, 1000, 1, 0.01,
100, 70);
device.setParentId(cloud.getId());
device.setUplinkLatency(20);
for (int j = 0; j < numOfClientsPerFogDevice; j++) {
String clientId = i + "-" + j;
FogDevice client = addLowLevelFogDevice(clientId, brokerId, appId, device.getId());
client.setUplinkLatency(3);
fogDevices.add(client);
}
fogDevices.add(device);
getIdByName.put(device.getName(), device.getId());
}
}
public static void main(String[] args) {
Log.printLine("Starting Birbnetes...");
try {
Log.disable();
int num_user = 1; // number of cloud users
Calendar calendar = Calendar.getInstance();
CloudSim.init(num_user, calendar, false);
String appId = "birbnetes"; // identifier of the application
FogBroker broker = new FogBroker("broker");
Application application = createApplication(appId, broker.getId());
application.setUserId(broker.getId());
createFogDevices(broker.getId(), appId);
ModuleMapping moduleMapping = ModuleMapping.createModuleMapping(); // initializing a module mapping
moduleMapping.addModuleToDevice("MainModule", "cloud");
moduleMapping.addModuleToDevice("StorageModule", "cloud");
for (FogDevice device : fogDevices) {
if (device.getName().startsWith("FogDevice")) {
moduleMapping.addModuleToDevice("ClientModule", device.getName());
}
}
Controller controller = new Controller("master-controller", fogDevices, sensors,
actuators);
controller.submitApplication(application, 0,
new ModulePlacementEdgewards(fogDevices, sensors, actuators, application, moduleMapping));
TimeKeeper.getInstance().setSimulationStartTime(Calendar.getInstance().getTimeInMillis());
CloudSim.startSimulation();
CloudSim.stopSimulation();
Log.printLine("Birbnetes finished!");
} catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
}
}
}

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src/org/fog/test/perfeval/DCNSFog.java Normal file
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package org.fog.test.perfeval;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.LinkedList;
import java.util.List;
import org.cloudbus.cloudsim.Host;
import org.cloudbus.cloudsim.Log;
import org.cloudbus.cloudsim.Pe;
import org.cloudbus.cloudsim.Storage;
import org.cloudbus.cloudsim.core.CloudSim;
import org.cloudbus.cloudsim.power.PowerHost;
import org.cloudbus.cloudsim.provisioners.RamProvisionerSimple;
import org.cloudbus.cloudsim.sdn.overbooking.BwProvisionerOverbooking;
import org.cloudbus.cloudsim.sdn.overbooking.PeProvisionerOverbooking;
import org.fog.application.AppEdge;
import org.fog.application.AppLoop;
import org.fog.application.Application;
import org.fog.application.selectivity.FractionalSelectivity;
import org.fog.entities.Actuator;
import org.fog.entities.FogBroker;
import org.fog.entities.FogDevice;
import org.fog.entities.FogDeviceCharacteristics;
import org.fog.entities.Sensor;
import org.fog.entities.Tuple;
import org.fog.placement.Controller;
import org.fog.placement.ModuleMapping;
import org.fog.placement.ModulePlacementEdgewards;
import org.fog.placement.ModulePlacementMapping;
import org.fog.policy.AppModuleAllocationPolicy;
import org.fog.scheduler.StreamOperatorScheduler;
import org.fog.utils.FogLinearPowerModel;
import org.fog.utils.FogUtils;
import org.fog.utils.TimeKeeper;
import org.fog.utils.distribution.DeterministicDistribution;
/**
* Simulation setup for case study 2 - Intelligent Surveillance
* @author Harshit Gupta
*
*/
public class DCNSFog {
static List<FogDevice> fogDevices = new ArrayList<FogDevice>();
static List<Sensor> sensors = new ArrayList<Sensor>();
static List<Actuator> actuators = new ArrayList<Actuator>();
static int numOfAreas = 1;
static int numOfCamerasPerArea = 4;
private static boolean CLOUD = false;
public static void main(String[] args) {
Log.printLine("Starting DCNS...");
try {
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
FogBroker broker = new FogBroker("broker");
Application application = createApplication(appId, broker.getId());
application.setUserId(broker.getId());
createFogDevices(broker.getId(), appId);
Controller controller = null;
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("user_interface", "cloud"); // fixing instances of User Interface module in the Cloud
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("object_tracker", "cloud"); // placing all instances of Object Tracker module in the Cloud
}
controller = new Controller("master-controller", fogDevices, sensors,
actuators);
controller.submitApplication(application,
(CLOUD)?(new ModulePlacementMapping(fogDevices, application, moduleMapping))
:(new ModulePlacementEdgewards(fogDevices, sensors, actuators, application, moduleMapping)));
TimeKeeper.getInstance().setSimulationStartTime(Calendar.getInstance().getTimeInMillis());
CloudSim.startSimulation();
CloudSim.stopSimulation();
Log.printLine("VRGame finished!");
} catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
}
}
/**
* Creates the fog devices in the physical topology of the simulation.
* @param userId
* @param appId
*/
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); // latency of connection between proxy server and cloud is 100 ms
fogDevices.add(proxy);
for(int i=0;i<numOfAreas;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<numOfCamerasPerArea;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.
camera.setUplinkLatency(2); // latency of connection between camera and router is 2 ms
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;
}
/**
* Creates a vanilla fog device
* @param nodeName name of the device to be used in simulation
* @param mips MIPS
* @param ram RAM
* @param upBw uplink bandwidth
* @param downBw downlink bandwidth
* @param level hierarchy level of the device
* @param ratePerMips cost rate per MIPS used
* @param busyPower
* @param idlePower
* @return
*/
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>();
// 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
int hostId = FogUtils.generateEntityId();
long storage = 1000000; // host storage
int bw = 10000;
PowerHost host = new PowerHost(
hostId,
new RamProvisionerSimple(ram),
new BwProvisionerOverbooking(bw),
storage,
peList,
new StreamOperatorScheduler(peList),
new FogLinearPowerModel(busyPower, idlePower)
);
List<Host> hostList = new ArrayList<Host>();
hostList.add(host);
String arch = "x86"; // system architecture
String os = "Linux"; // operating system
String vmm = "Xen";
double time_zone = 10.0; // time zone this resource located
double cost = 3.0; // the cost of using processing in this resource
double costPerMem = 0.05; // the cost of using memory in this resource
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
// devices by now
FogDeviceCharacteristics characteristics = new FogDeviceCharacteristics(
arch, os, vmm, host, time_zone, cost, costPerMem,
costPerStorage, costPerBw);
FogDevice fogdevice = null;
try {
fogdevice = new FogDevice(nodeName, characteristics,
new AppModuleAllocationPolicy(hostList), storageList, 10, upBw, downBw, 0, ratePerMips);
} catch (Exception e) {
e.printStackTrace();
}
fogdevice.setLevel(level);
return fogdevice;
}
/**
* 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
*/
@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("motion_detector", 10);
application.addAppModule("object_tracker", 10);
application.addAppModule("user_interface", 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("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("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("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("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
/*
* 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("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("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
/*
* 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 loop2 = new AppLoop(new ArrayList<String>(){{add("object_tracker");add("PTZ_CONTROL");}});
List<AppLoop> loops = new ArrayList<AppLoop>(){{add(loop1);add(loop2);}};
application.setLoops(loops);
return application;
}
}

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src/org/fog/test/perfeval/TestApplication.java Normal file
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package org.fog.test.perfeval;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Random;
import org.cloudbus.cloudsim.Host;
import org.cloudbus.cloudsim.Log;
import org.cloudbus.cloudsim.Pe;
import org.cloudbus.cloudsim.Storage;
import org.cloudbus.cloudsim.core.CloudSim;
import org.cloudbus.cloudsim.power.PowerHost;
import org.cloudbus.cloudsim.provisioners.RamProvisionerSimple;
import org.cloudbus.cloudsim.sdn.overbooking.BwProvisionerOverbooking;
import org.cloudbus.cloudsim.sdn.overbooking.PeProvisionerOverbooking;
import org.fog.application.AppEdge;
import org.fog.application.AppLoop;
import org.fog.application.MyApplication;
import org.fog.application.selectivity.FractionalSelectivity;
import org.fog.entities.FogBroker;
import org.fog.entities.FogDeviceCharacteristics;
import org.fog.entities.MyActuator;
import org.fog.entities.MyFogDevice;
import org.fog.entities.MySensor;
import org.fog.entities.Tuple;
import org.fog.placement.ModuleMapping;
import org.fog.placement.MyController;
import org.fog.placement.MyModulePlacement;
import org.fog.policy.AppModuleAllocationPolicy;
import org.fog.scheduler.StreamOperatorScheduler;
import org.fog.utils.FogLinearPowerModel;
import org.fog.utils.FogUtils;
import org.fog.utils.TimeKeeper;
import org.fog.utils.distribution.DeterministicDistribution;
public class TestApplication {
static List<MyFogDevice> fogDevices = new ArrayList<MyFogDevice>();
static Map<Integer,MyFogDevice> deviceById = new HashMap<Integer,MyFogDevice>();
static List<MySensor> sensors = new ArrayList<MySensor>();
static List<MyActuator> actuators = new ArrayList<MyActuator>();
static List<Integer> idOfEndDevices = new ArrayList<Integer>();
static Map<Integer, Map<String, Double>> deadlineInfo = new HashMap<Integer, Map<String, Double>>();
static Map<Integer, Map<String, Integer>> additionalMipsInfo = new HashMap<Integer, Map<String, Integer>>();
static boolean CLOUD = false;
static int numOfGateways = 2;
static int numOfEndDevPerGateway = 3;
static double sensingInterval = 5;
public static void main(String[] args) {
Log.printLine("Starting TestApplication...");
try {
Log.disable();
int num_user = 1;
Calendar calendar = Calendar.getInstance();
boolean trace_flag = false;
CloudSim.init(num_user, calendar, trace_flag);
String appId = "test_app";
FogBroker broker = new FogBroker("broker");
createFogDevices(broker.getId(), appId);
MyApplication application = createApplication(appId, broker.getId());
application.setUserId(broker.getId());
ModuleMapping moduleMapping = ModuleMapping.createModuleMapping();
moduleMapping.addModuleToDevice("storageModule", "cloud");
for(int i=0;i<idOfEndDevices.size();i++)
{
MyFogDevice fogDevice = deviceById.get(idOfEndDevices.get(i));
moduleMapping.addModuleToDevice("clientModule", fogDevice.getName());
}
MyController controller = new MyController("master-controller", fogDevices, sensors, actuators);
controller.submitApplication(application, 0, new MyModulePlacement(fogDevices, sensors, actuators, application, moduleMapping,"mainModule"));
TimeKeeper.getInstance().setSimulationStartTime(Calendar.getInstance().getTimeInMillis());
CloudSim.startSimulation();
CloudSim.stopSimulation();
Log.printLine("TestApplication finished!");
} catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
}
}
private static double getvalue(double min, double max)
{
Random r = new Random();
double randomValue = min + (max - min) * r.nextDouble();
return randomValue;
}
private static int getvalue(int min, int max)
{
Random r = new Random();
int randomValue = min + r.nextInt()%(max - min);
return randomValue;
}
private static void createFogDevices(int userId, String appId) {
MyFogDevice cloud = createFogDevice("cloud", 44800, 40000, 100, 10000, 0, 0.01, 16*103, 16*83.25);
cloud.setParentId(-1);
fogDevices.add(cloud);
deviceById.put(cloud.getId(), cloud);
for(int i=0;i<numOfGateways;i++){
addGw(i+"", userId, appId, cloud.getId());
}
}
private static void addGw(String gwPartialName, int userId, String appId, int parentId){
MyFogDevice gw = createFogDevice("g-"+gwPartialName, 2800, 4000, 10000, 10000, 1, 0.0, 107.339, 83.4333);
fogDevices.add(gw);
deviceById.put(gw.getId(), gw);
gw.setParentId(parentId);
gw.setUplinkLatency(4);
for(int i=0;i<numOfEndDevPerGateway;i++){
String endPartialName = gwPartialName+"-"+i;
MyFogDevice end = addEnd(endPartialName, userId, appId, gw.getId());
end.setUplinkLatency(2);
fogDevices.add(end);
deviceById.put(end.getId(), end);
}
}
private static MyFogDevice addEnd(String endPartialName, int userId, String appId, int parentId){
MyFogDevice end = createFogDevice("e-"+endPartialName, 3200, 1000, 10000, 270, 2, 0, 87.53, 82.44);
end.setParentId(parentId);
idOfEndDevices.add(end.getId());
MySensor sensor = new MySensor("s-"+endPartialName, "IoTSensor", userId, appId, new DeterministicDistribution(sensingInterval)); // inter-transmission time of EEG sensor follows a deterministic distribution
sensors.add(sensor);
MyActuator actuator = new MyActuator("a-"+endPartialName, userId, appId, "IoTActuator");
actuators.add(actuator);
sensor.setGatewayDeviceId(end.getId());
sensor.setLatency(6.0); // latency of connection between EEG sensors and the parent Smartphone is 6 ms
actuator.setGatewayDeviceId(end.getId());
actuator.setLatency(1.0); // latency of connection between Display actuator and the parent Smartphone is 1 ms
return end;
}
private static MyFogDevice 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>();
peList.add(new Pe(0, new PeProvisionerOverbooking(mips)));
int hostId = FogUtils.generateEntityId();
long storage = 1000000;
int bw = 10000;
PowerHost host = new PowerHost(
hostId,
new RamProvisionerSimple(ram),
new BwProvisionerOverbooking(bw),
storage,
peList,
new StreamOperatorScheduler(peList),
new FogLinearPowerModel(busyPower, idlePower)
);
List<Host> hostList = new ArrayList<Host>();
hostList.add(host);
String arch = "x86";
String os = "Linux";
String vmm = "Xen";
double time_zone = 10.0;
double cost = 3.0;
double costPerMem = 0.05;
double costPerStorage = 0.001;
double costPerBw = 0.0;
LinkedList<Storage> storageList = new LinkedList<Storage>();
FogDeviceCharacteristics characteristics = new FogDeviceCharacteristics(
arch, os, vmm, host, time_zone, cost, costPerMem,
costPerStorage, costPerBw);
MyFogDevice fogdevice = null;
try {
fogdevice = new MyFogDevice(nodeName, characteristics,
new AppModuleAllocationPolicy(hostList), storageList, 10, upBw, downBw, 0, ratePerMips);
} catch (Exception e) {
e.printStackTrace();
}
fogdevice.setLevel(level);
fogdevice.setMips((int) mips);
return fogdevice;
}
@SuppressWarnings({"serial" })
private static MyApplication createApplication(String appId, int userId){
MyApplication application = MyApplication.createApplication(appId, userId);
application.addAppModule("clientModule",10, 1000, 1000, 100);
application.addAppModule("mainModule", 50, 1500, 4000, 800);
application.addAppModule("storageModule", 10, 50, 12000, 100);
application.addAppEdge("IoTSensor", "clientModule", 100, 200, "IoTSensor", Tuple.UP, AppEdge.SENSOR);
application.addAppEdge("clientModule", "mainModule", 6000, 600 , "RawData", Tuple.UP, AppEdge.MODULE);
application.addAppEdge("mainModule", "storageModule", 1000, 300, "StoreData", Tuple.UP, AppEdge.MODULE);
application.addAppEdge("mainModule", "clientModule", 100, 50, "ResultData", Tuple.DOWN, AppEdge.MODULE);
application.addAppEdge("clientModule", "IoTActuator", 100, 50, "Response", Tuple.DOWN, AppEdge.ACTUATOR);
application.addTupleMapping("clientModule", "IoTSensor", "RawData", new FractionalSelectivity(1.0));
application.addTupleMapping("mainModule", "RawData", "ResultData", new FractionalSelectivity(1.0));
application.addTupleMapping("mainModule", "RawData", "StoreData", new FractionalSelectivity(1.0));
application.addTupleMapping("clientModule", "ResultData", "Response", new FractionalSelectivity(1.0));
for(int id:idOfEndDevices)
{
Map<String,Double>moduleDeadline = new HashMap<String,Double>();
moduleDeadline.put("mainModule", getvalue(3.00, 5.00));
Map<String,Integer>moduleAddMips = new HashMap<String,Integer>();
moduleAddMips.put("mainModule", getvalue(0, 500));
deadlineInfo.put(id, moduleDeadline);
additionalMipsInfo.put(id,moduleAddMips);
}
final AppLoop loop1 = new AppLoop(new ArrayList<String>(){{add("IoTSensor");add("clientModule");add("mainModule");add("clientModule");add("IoTActuator");}});
List<AppLoop> loops = new ArrayList<AppLoop>(){{add(loop1);}};
application.setLoops(loops);
application.setDeadlineInfo(deadlineInfo);
application.setAdditionalMipsInfo(additionalMipsInfo);
return application;
}
}

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src/org/fog/test/perfeval/TwoApps.java Normal file
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package org.fog.test.perfeval;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.LinkedList;
import java.util.List;
import org.cloudbus.cloudsim.Host;
import org.cloudbus.cloudsim.Log;
import org.cloudbus.cloudsim.Pe;
import org.cloudbus.cloudsim.Storage;
import org.cloudbus.cloudsim.core.CloudSim;
import org.cloudbus.cloudsim.power.PowerHost;
import org.cloudbus.cloudsim.provisioners.RamProvisionerSimple;
import org.cloudbus.cloudsim.sdn.overbooking.BwProvisionerOverbooking;
import org.cloudbus.cloudsim.sdn.overbooking.PeProvisionerOverbooking;
import org.fog.application.AppEdge;
import org.fog.application.AppLoop;
import org.fog.application.Application;
import org.fog.application.selectivity.FractionalSelectivity;
import org.fog.entities.Actuator;
import org.fog.entities.FogBroker;
import org.fog.entities.FogDevice;
import org.fog.entities.FogDeviceCharacteristics;
import org.fog.entities.Sensor;
import org.fog.entities.Tuple;
import org.fog.placement.Controller;
import org.fog.placement.ModuleMapping;
import org.fog.placement.ModulePlacementMapping;
import org.fog.policy.AppModuleAllocationPolicy;
import org.fog.scheduler.StreamOperatorScheduler;
import org.fog.utils.FogLinearPowerModel;
import org.fog.utils.FogUtils;
import org.fog.utils.TimeKeeper;
import org.fog.utils.distribution.DeterministicDistribution;
/**
* Simulation setup for case study 1 - EEG Beam Tractor Game
* @author Harshit Gupta
*
*/
public class TwoApps {
static List<FogDevice> fogDevices = new ArrayList<FogDevice>();
static List<FogDevice> mobiles = new ArrayList<FogDevice>();
static List<Sensor> sensors = new ArrayList<Sensor>();
static List<Actuator> actuators = new ArrayList<Actuator>();
static int numOfDepts = 1;
static int numOfMobilesPerDept = 4;
static double EEG_TRANSMISSION_TIME = 5.1;
//static double EEG_TRANSMISSION_TIME = 10;
public static void main(String[] args) {
Log.printLine("Starting TwoApps...");
try {
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 appId0 = "vr_game_0";
String appId1 = "vr_game_1";
FogBroker broker0 = new FogBroker("broker_0");
FogBroker broker1 = new FogBroker("broker_1");
Application application0 = createApplication0(appId0, broker0.getId());
Application application1 = createApplication1(appId1, broker1.getId());
application0.setUserId(broker0.getId());
application1.setUserId(broker1.getId());
createFogDevices();
createEdgeDevices0(broker0.getId(), appId0);
createEdgeDevices1(broker1.getId(), appId1);
ModuleMapping moduleMapping_0 = ModuleMapping.createModuleMapping(); // initializing a module mapping
ModuleMapping moduleMapping_1 = ModuleMapping.createModuleMapping(); // initializing a module mapping
moduleMapping_0.addModuleToDevice("connector", "cloud"); // fixing all instances of the Connector module to the Cloud
moduleMapping_0.addModuleToDevice("concentration_calculator", "cloud"); // fixing all instances of the Concentration Calculator module to the Cloud
moduleMapping_1.addModuleToDevice("connector_1", "cloud"); // fixing all instances of the Connector module to the Cloud
moduleMapping_1.addModuleToDevice("concentration_calculator_1", "cloud"); // fixing all instances of the Concentration Calculator module to the Cloud
for(FogDevice device : fogDevices){
if(device.getName().startsWith("m")){
moduleMapping_0.addModuleToDevice("client", device.getName()); // fixing all instances of the Client module to the Smartphones
moduleMapping_1.addModuleToDevice("client_1", device.getName()); // fixing all instances of the Client module to the Smartphones
}
}
Controller controller = new Controller("master-controller", fogDevices, sensors,
actuators);
controller.submitApplication(application0, new ModulePlacementMapping(fogDevices, application0, moduleMapping_0));
controller.submitApplication(application1, 1000, new ModulePlacementMapping(fogDevices, application1, moduleMapping_1));
TimeKeeper.getInstance().setSimulationStartTime(Calendar.getInstance().getTimeInMillis());
CloudSim.startSimulation();
CloudSim.stopSimulation();
Log.printLine("VRGame finished!");
} catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
}
}
private static void createEdgeDevices0(int userId, String appId) {
for(FogDevice mobile : mobiles){
String id = mobile.getName();
Sensor eegSensor = new Sensor("s-"+appId+"-"+id, "EEG", userId, appId, new DeterministicDistribution(EEG_TRANSMISSION_TIME)); // inter-transmission time of EEG sensor follows a deterministic distribution
sensors.add(eegSensor);
Actuator display = new Actuator("a-"+appId+"-"+id, userId, appId, "DISPLAY");
actuators.add(display);
eegSensor.setGatewayDeviceId(mobile.getId());
eegSensor.setLatency(6.0); // latency of connection between EEG sensors and the parent Smartphone is 6 ms
display.setGatewayDeviceId(mobile.getId());
display.setLatency(1.0); // latency of connection between Display actuator and the parent Smartphone is 1 ms
}
}
private static void createEdgeDevices1(int userId, String appId) {
for(FogDevice mobile : mobiles){
String id = mobile.getName();
Sensor eegSensor = new Sensor("s-"+appId+"-"+id, "EEG_1", userId, appId, new DeterministicDistribution(EEG_TRANSMISSION_TIME)); // inter-transmission time of EEG sensor follows a deterministic distribution
sensors.add(eegSensor);
Actuator display = new Actuator("a-"+appId+"-"+id, userId, appId, "DISPLAY_1");
actuators.add(display);
eegSensor.setGatewayDeviceId(mobile.getId());
eegSensor.setLatency(6.0); // latency of connection between EEG sensors and the parent Smartphone is 6 ms
display.setGatewayDeviceId(mobile.getId());
display.setLatency(1.0); // latency of connection between Display actuator and the parent Smartphone is 1 ms
}
}
/**
* Creates the fog devices in the physical topology of the simulation.
* @param userId
* @param appId
*/
private static void createFogDevices() {
FogDevice cloud = createFogDevice("cloud", 44800, 40000, 100, 10000, 0, 0.01, 16*103, 16*83.25); // creates the fog device Cloud at the apex of the hierarchy with level=0
cloud.setParentId(-1);
FogDevice proxy = createFogDevice("proxy-server", 2800, 4000, 10000, 10000, 1, 0.0, 107.339, 83.4333); // creates the fog device Proxy Server (level=1)
proxy.setParentId(cloud.getId()); // setting Cloud as parent of the Proxy Server
proxy.setUplinkLatency(100); // latency of connection from Proxy Server to the Cloud is 100 ms
fogDevices.add(cloud);
fogDevices.add(proxy);
for(int i=0;i<numOfDepts;i++){
addGw(i+"", proxy.getId()); // adding a fog device for every Gateway in physical topology. The parent of each gateway is the Proxy Server
}
}
private static FogDevice addGw(String id, int parentId){
FogDevice dept = createFogDevice("d-"+id, 2800, 4000, 10000, 10000, 1, 0.0, 107.339, 83.4333);
fogDevices.add(dept);
dept.setParentId(parentId);
dept.setUplinkLatency(4); // latency of connection between gateways and proxy server is 4 ms
for(int i=0;i<numOfMobilesPerDept;i++){
String mobileId = id+"-"+i;
FogDevice mobile = addMobile(mobileId, dept.getId()); // adding mobiles to the physical topology. Smartphones have been modeled as fog devices as well.
mobile.setUplinkLatency(2); // latency of connection between the smartphone and proxy server is 4 ms
fogDevices.add(mobile);
}
return dept;
}
private static FogDevice addMobile(String id, int parentId){
FogDevice mobile = createFogDevice("m-"+id, 1000, 1000, 10000, 270, 3, 0, 87.53, 82.44);
mobile.setParentId(parentId);
mobiles.add(mobile);
/*Sensor eegSensor = new Sensor("s-"+id, "EEG", userId, appId, new DeterministicDistribution(EEG_TRANSMISSION_TIME)); // inter-transmission time of EEG sensor follows a deterministic distribution
sensors.add(eegSensor);
Actuator display = new Actuator("a-"+id, userId, appId, "DISPLAY");
actuators.add(display);
eegSensor.setGatewayDeviceId(mobile.getId());
eegSensor.setLatency(6.0); // latency of connection between EEG sensors and the parent Smartphone is 6 ms
display.setGatewayDeviceId(mobile.getId());
display.setLatency(1.0); // latency of connection between Display actuator and the parent Smartphone is 1 ms
*/ return mobile;
}
/**
* Creates a vanilla fog device
* @param nodeName name of the device to be used in simulation
* @param mips MIPS
* @param ram RAM
* @param upBw uplink bandwidth
* @param downBw downlink bandwidth
* @param level hierarchy level of the device
* @param ratePerMips cost rate per MIPS used
* @param busyPower
* @param idlePower
* @return
*/
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>();
// 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
int hostId = FogUtils.generateEntityId();
long storage = 1000000; // host storage
int bw = 10000;
PowerHost host = new PowerHost(
hostId,
new RamProvisionerSimple(ram),
new BwProvisionerOverbooking(bw),
storage,
peList,
new StreamOperatorScheduler(peList),
new FogLinearPowerModel(busyPower, idlePower)
);
List<Host> hostList = new ArrayList<Host>();
hostList.add(host);
String arch = "x86"; // system architecture
String os = "Linux"; // operating system
String vmm = "Xen";
double time_zone = 10.0; // time zone this resource located
double cost = 3.0; // the cost of using processing in this resource
double costPerMem = 0.05; // the cost of using memory in this resource
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
// devices by now
FogDeviceCharacteristics characteristics = new FogDeviceCharacteristics(
arch, os, vmm, host, time_zone, cost, costPerMem,
costPerStorage, costPerBw);
FogDevice fogdevice = null;
try {
fogdevice = new FogDevice(nodeName, characteristics,
new AppModuleAllocationPolicy(hostList), storageList, 10, upBw, downBw, 0, ratePerMips);
} catch (Exception e) {
e.printStackTrace();
}
fogdevice.setLevel(level);
return fogdevice;
}
/**
* Function to create the EEG Tractor Beam game application in the DDF model.
* @param appId unique identifier of the application
* @param userId identifier of the user of the application
* @return
*/
@SuppressWarnings({"serial" })
private static Application createApplication0(String appId, int userId){
Application application = Application.createApplication(appId, userId); // creates an empty application model (empty directed graph)
/*
* Adding modules (vertices) to the application model (directed graph)
*/
application.addAppModule("client", 10); // adding module Client to the application model
application.addAppModule("concentration_calculator", 10); // adding module Concentration Calculator to the application model
application.addAppModule("connector", 10); // adding module Connector to the application model
/*
* Connecting the application modules (vertices) in the application model (directed graph) with edges
*/
if(EEG_TRANSMISSION_TIME==10)
application.addAppEdge("EEG", "client", 2000, 500, "EEG", Tuple.UP, AppEdge.SENSOR); // adding edge from EEG (sensor) to Client module carrying tuples of type EEG
else
application.addAppEdge("EEG", "client", 3000, 500, "EEG", Tuple.UP, AppEdge.SENSOR);
application.addAppEdge("client", "concentration_calculator", 3500, 500, "_SENSOR", Tuple.UP, AppEdge.MODULE); // adding edge from Client to Concentration Calculator module carrying tuples of type _SENSOR
application.addAppEdge("concentration_calculator", "connector", 100, 1000, 1000, "PLAYER_GAME_STATE", Tuple.UP, AppEdge.MODULE); // adding periodic edge (period=1000ms) from Concentration Calculator to Connector module carrying tuples of type PLAYER_GAME_STATE
application.addAppEdge("concentration_calculator", "client", 14, 500, "CONCENTRATION", Tuple.DOWN, AppEdge.MODULE); // adding edge from Concentration Calculator to Client module carrying tuples of type CONCENTRATION
application.addAppEdge("connector", "client", 100, 28, 1000, "GLOBAL_GAME_STATE", Tuple.DOWN, AppEdge.MODULE); // adding periodic edge (period=1000ms) from Connector to Client module carrying tuples of type GLOBAL_GAME_STATE
application.addAppEdge("client", "DISPLAY", 1000, 500, "SELF_STATE_UPDATE", Tuple.DOWN, AppEdge.ACTUATOR); // adding edge from Client module to Display (actuator) carrying tuples of type SELF_STATE_UPDATE
application.addAppEdge("client", "DISPLAY", 1000, 500, "GLOBAL_STATE_UPDATE", Tuple.DOWN, AppEdge.ACTUATOR); // adding edge from Client module to Display (actuator) carrying tuples of type GLOBAL_STATE_UPDATE
/*
* Defining the input-output relationships (represented by selectivity) of the application modules.
*/
application.addTupleMapping("client", "EEG", "_SENSOR", new FractionalSelectivity(0.9)); // 0.9 tuples of type _SENSOR are emitted by Client module per incoming tuple of type EEG
application.addTupleMapping("client", "CONCENTRATION", "SELF_STATE_UPDATE", new FractionalSelectivity(1.0)); // 1.0 tuples of type SELF_STATE_UPDATE are emitted by Client module per incoming tuple of type CONCENTRATION
application.addTupleMapping("concentration_calculator", "_SENSOR", "CONCENTRATION", new FractionalSelectivity(1.0)); // 1.0 tuples of type CONCENTRATION are emitted by Concentration Calculator module per incoming tuple of type _SENSOR
application.addTupleMapping("client", "GLOBAL_GAME_STATE", "GLOBAL_STATE_UPDATE", new FractionalSelectivity(1.0)); // 1.0 tuples of type GLOBAL_STATE_UPDATE are emitted by Client module per incoming tuple of type GLOBAL_GAME_STATE
/*
* Defining application loops to monitor the latency of.
* Here, we add only one loop for monitoring : EEG(sensor) -> Client -> Concentration Calculator -> Client -> DISPLAY (actuator)
*/
final AppLoop loop1 = new AppLoop(new ArrayList<String>(){{add("EEG");add("client");add("concentration_calculator");add("client");add("DISPLAY");}});
List<AppLoop> loops = new ArrayList<AppLoop>(){{add(loop1);}};
application.setLoops(loops);
return application;
}
@SuppressWarnings({"serial" })
private static Application createApplication1(String appId, int userId){
Application application = Application.createApplication(appId, userId); // creates an empty application model (empty directed graph)
/*
* Adding modules (vertices) to the application model (directed graph)
*/
application.addAppModule("client_1", 10); // adding module Client to the application model
application.addAppModule("concentration_calculator_1", 10); // adding module Concentration Calculator to the application model
application.addAppModule("connector_1", 10); // adding module Connector to the application model
/*
* Connecting the application modules (vertices) in the application model (directed graph) with edges
*/
if(EEG_TRANSMISSION_TIME==10)
application.addAppEdge("EEG_1", "client_1", 2000, 500, "EEG_1", Tuple.UP, AppEdge.SENSOR); // adding edge from EEG (sensor) to Client module carrying tuples of type EEG
else
application.addAppEdge("EEG_1", "client_1", 3000, 500, "EEG_1", Tuple.UP, AppEdge.SENSOR);
application.addAppEdge("client_1", "concentration_calculator_1", 3500, 500, "_SENSOR_1", Tuple.UP, AppEdge.MODULE); // adding edge from Client to Concentration Calculator module carrying tuples of type _SENSOR
application.addAppEdge("concentration_calculator_1", "connector_1", 100, 1000, 1000, "PLAYER_GAME_STATE_1", Tuple.UP, AppEdge.MODULE); // adding periodic edge (period=1000ms) from Concentration Calculator to Connector module carrying tuples of type PLAYER_GAME_STATE
application.addAppEdge("concentration_calculator_1", "client_1", 14, 500, "CONCENTRATION_1", Tuple.DOWN, AppEdge.MODULE); // adding edge from Concentration Calculator to Client module carrying tuples of type CONCENTRATION
application.addAppEdge("connector_1", "client_1", 100, 28, 1000, "GLOBAL_GAME_STATE_1", Tuple.DOWN, AppEdge.MODULE); // adding periodic edge (period=1000ms) from Connector to Client module carrying tuples of type GLOBAL_GAME_STATE
application.addAppEdge("client_1", "DISPLAY_1", 1000, 500, "SELF_STATE_UPDATE_1", Tuple.DOWN, AppEdge.ACTUATOR); // adding edge from Client module to Display (actuator) carrying tuples of type SELF_STATE_UPDATE
application.addAppEdge("client_1", "DISPLAY_1", 1000, 500, "GLOBAL_STATE_UPDATE_1", Tuple.DOWN, AppEdge.ACTUATOR); // adding edge from Client module to Display (actuator) carrying tuples of type GLOBAL_STATE_UPDATE
/*
* Defining the input-output relationships (represented by selectivity) of the application modules.
*/
application.addTupleMapping("client_1", "EEG_1", "_SENSOR_1", new FractionalSelectivity(0.9)); // 0.9 tuples of type _SENSOR are emitted by Client module per incoming tuple of type EEG
application.addTupleMapping("client_1", "CONCENTRATION_1", "SELF_STATE_UPDATE_1", new FractionalSelectivity(1.0)); // 1.0 tuples of type SELF_STATE_UPDATE are emitted by Client module per incoming tuple of type CONCENTRATION
application.addTupleMapping("concentration_calculator_1", "_SENSOR_1", "CONCENTRATION_1", new FractionalSelectivity(1.0)); // 1.0 tuples of type CONCENTRATION are emitted by Concentration Calculator module per incoming tuple of type _SENSOR
application.addTupleMapping("client_1", "GLOBAL_GAME_STATE_1", "GLOBAL_STATE_UPDATE_1", new FractionalSelectivity(1.0)); // 1.0 tuples of type GLOBAL_STATE_UPDATE are emitted by Client module per incoming tuple of type GLOBAL_GAME_STATE
/*
* Defining application loops to monitor the latency of.
* Here, we add only one loop for monitoring : EEG(sensor) -> Client -> Concentration Calculator -> Client -> DISPLAY (actuator)
*/
final AppLoop loop1 = new AppLoop(new ArrayList<String>(){{add("EEG_1");add("client_1");add("concentration_calculator_1");add("client_1");add("DISPLAY_1");}});
List<AppLoop> loops = new ArrayList<AppLoop>(){{add(loop1);}};
application.setLoops(loops);
return application;
}
}

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src/org/fog/test/perfeval/VRGameFog.java Normal file
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package org.fog.test.perfeval;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.LinkedList;
import java.util.List;
import org.cloudbus.cloudsim.Host;
import org.cloudbus.cloudsim.Log;
import org.cloudbus.cloudsim.Pe;
import org.cloudbus.cloudsim.Storage;
import org.cloudbus.cloudsim.core.CloudSim;
import org.cloudbus.cloudsim.power.PowerHost;
import org.cloudbus.cloudsim.provisioners.RamProvisionerSimple;
import org.cloudbus.cloudsim.sdn.overbooking.BwProvisionerOverbooking;
import org.cloudbus.cloudsim.sdn.overbooking.PeProvisionerOverbooking;
import org.fog.application.AppEdge;
import org.fog.application.AppLoop;
import org.fog.application.Application;
import org.fog.application.selectivity.FractionalSelectivity;
import org.fog.entities.Actuator;
import org.fog.entities.FogBroker;
import org.fog.entities.FogDevice;
import org.fog.entities.FogDeviceCharacteristics;
import org.fog.entities.Sensor;
import org.fog.entities.Tuple;
import org.fog.placement.Controller;
import org.fog.placement.ModuleMapping;
import org.fog.placement.ModulePlacementEdgewards;
import org.fog.placement.ModulePlacementMapping;
import org.fog.policy.AppModuleAllocationPolicy;
import org.fog.scheduler.StreamOperatorScheduler;
import org.fog.utils.FogLinearPowerModel;
import org.fog.utils.FogUtils;
import org.fog.utils.TimeKeeper;
import org.fog.utils.distribution.DeterministicDistribution;
/**
* Simulation setup for case study 1 - EEG Beam Tractor Game
* @author Harshit Gupta
*
*/
public class VRGameFog {
static List<FogDevice> fogDevices = new ArrayList<FogDevice>();
static List<Sensor> sensors = new ArrayList<Sensor>();
static List<Actuator> actuators = new ArrayList<Actuator>();
static boolean CLOUD = false;
static int numOfDepts = 4;
static int numOfMobilesPerDept = 6;
static double EEG_TRANSMISSION_TIME = 5.1;
//static double EEG_TRANSMISSION_TIME = 10;
public static void main(String[] args) {
Log.printLine("Starting VRGame...");
try {
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 = "vr_game"; // identifier of the application
FogBroker broker = new FogBroker("broker");
Application application = createApplication(appId, broker.getId());
application.setUserId(broker.getId());
createFogDevices(broker.getId(), appId);
ModuleMapping moduleMapping = ModuleMapping.createModuleMapping(); // initializing a module mapping
if(CLOUD){
// if the mode of deployment is cloud-based
/*moduleMapping.addModuleToDevice("connector", "cloud", numOfDepts*numOfMobilesPerDept); // fixing all instances of the Connector module to the Cloud
moduleMapping.addModuleToDevice("concentration_calculator", "cloud", numOfDepts*numOfMobilesPerDept); // fixing all instances of the Concentration Calculator module to the Cloud
*/ moduleMapping.addModuleToDevice("connector", "cloud"); // fixing all instances of the Connector module to the Cloud
moduleMapping.addModuleToDevice("concentration_calculator", "cloud"); // fixing all instances of the Concentration Calculator module to the Cloud
for(FogDevice device : fogDevices){
if(device.getName().startsWith("m")){
//moduleMapping.addModuleToDevice("client", device.getName(), 1); // fixing all instances of the Client module to the Smartphones
moduleMapping.addModuleToDevice("client", device.getName()); // fixing all instances of the Client module to the Smartphones
}
}
}else{
// if the mode of deployment is cloud-based
//moduleMapping.addModuleToDevice("connector", "cloud", numOfDepts*numOfMobilesPerDept); // fixing all instances of the Connector module to the Cloud
moduleMapping.addModuleToDevice("connector", "cloud"); // fixing all instances of the Connector module to the Cloud
// rest of the modules will be placed by the Edge-ward placement policy
}
Controller controller = new Controller("master-controller", fogDevices, sensors,
actuators);
controller.submitApplication(application, 0,
(CLOUD)?(new ModulePlacementMapping(fogDevices, application, moduleMapping))
:(new ModulePlacementEdgewards(fogDevices, sensors, actuators, application, moduleMapping)));
TimeKeeper.getInstance().setSimulationStartTime(Calendar.getInstance().getTimeInMillis());
CloudSim.startSimulation();
CloudSim.stopSimulation();
Log.printLine("VRGame finished!");
} catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
}
}
/**
* Creates the fog devices in the physical topology of the simulation.
* @param userId
* @param appId
*/
private static void createFogDevices(int userId, String appId) {
FogDevice cloud = createFogDevice("cloud", 44800, 40000, 100, 10000, 0, 0.01, 16*103, 16*83.25); // creates the fog device Cloud at the apex of the hierarchy with level=0
cloud.setParentId(-1);
FogDevice proxy = createFogDevice("proxy-server", 2800, 4000, 10000, 10000, 1, 0.0, 107.339, 83.4333); // creates the fog device Proxy Server (level=1)
proxy.setParentId(cloud.getId()); // setting Cloud as parent of the Proxy Server
proxy.setUplinkLatency(100); // latency of connection from Proxy Server to the Cloud is 100 ms
fogDevices.add(cloud);
fogDevices.add(proxy);
for(int i=0;i<numOfDepts;i++){
addGw(i+"", userId, appId, proxy.getId()); // adding a fog device for every Gateway in physical topology. The parent of each gateway is the Proxy Server
}
}
private static FogDevice addGw(String id, int userId, String appId, int parentId){
FogDevice dept = createFogDevice("d-"+id, 2800, 4000, 10000, 10000, 1, 0.0, 107.339, 83.4333);
fogDevices.add(dept);
dept.setParentId(parentId);
dept.setUplinkLatency(4); // latency of connection between gateways and proxy server is 4 ms
for(int i=0;i<numOfMobilesPerDept;i++){
String mobileId = id+"-"+i;
FogDevice mobile = addMobile(mobileId, userId, appId, dept.getId()); // adding mobiles to the physical topology. Smartphones have been modeled as fog devices as well.
mobile.setUplinkLatency(2); // latency of connection between the smartphone and proxy server is 4 ms
fogDevices.add(mobile);
}
return dept;
}
private static FogDevice addMobile(String id, int userId, String appId, int parentId){
FogDevice mobile = createFogDevice("m-"+id, 1000, 1000, 10000, 270, 3, 0, 87.53, 82.44);
mobile.setParentId(parentId);
Sensor eegSensor = new Sensor("s-"+id, "EEG", userId, appId, new DeterministicDistribution(EEG_TRANSMISSION_TIME)); // inter-transmission time of EEG sensor follows a deterministic distribution
sensors.add(eegSensor);
Actuator display = new Actuator("a-"+id, userId, appId, "DISPLAY");
actuators.add(display);
eegSensor.setGatewayDeviceId(mobile.getId());
eegSensor.setLatency(6.0); // latency of connection between EEG sensors and the parent Smartphone is 6 ms
display.setGatewayDeviceId(mobile.getId());
display.setLatency(1.0); // latency of connection between Display actuator and the parent Smartphone is 1 ms
return mobile;
}
/**
* Creates a vanilla fog device
* @param nodeName name of the device to be used in simulation
* @param mips MIPS
* @param ram RAM
* @param upBw uplink bandwidth
* @param downBw downlink bandwidth
* @param level hierarchy level of the device
* @param ratePerMips cost rate per MIPS used
* @param busyPower
* @param idlePower
* @return
*/
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>();
// 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
int hostId = FogUtils.generateEntityId();
long storage = 1000000; // host storage
int bw = 10000;
PowerHost host = new PowerHost(
hostId,
new RamProvisionerSimple(ram),
new BwProvisionerOverbooking(bw),
storage,
peList,
new StreamOperatorScheduler(peList),
new FogLinearPowerModel(busyPower, idlePower)
);
List<Host> hostList = new ArrayList<Host>();
hostList.add(host);
String arch = "x86"; // system architecture
String os = "Linux"; // operating system
String vmm = "Xen";
double time_zone = 10.0; // time zone this resource located
double cost = 3.0; // the cost of using processing in this resource
double costPerMem = 0.05; // the cost of using memory in this resource
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
// devices by now
FogDeviceCharacteristics characteristics = new FogDeviceCharacteristics(
arch, os, vmm, host, time_zone, cost, costPerMem,
costPerStorage, costPerBw);
FogDevice fogdevice = null;
try {
fogdevice = new FogDevice(nodeName, characteristics,
new AppModuleAllocationPolicy(hostList), storageList, 10, upBw, downBw, 0, ratePerMips);
} catch (Exception e) {
e.printStackTrace();
}
fogdevice.setLevel(level);
return fogdevice;
}
/**
* Function to create the EEG Tractor Beam game application in the DDF model.
* @param appId unique identifier of the application
* @param userId identifier of the user of the application
* @return
*/
@SuppressWarnings({"serial" })
private static Application createApplication(String appId, int userId){
Application application = Application.createApplication(appId, userId); // creates an empty application model (empty directed graph)
/*
* Adding modules (vertices) to the application model (directed graph)
*/
application.addAppModule("client", 10); // adding module Client to the application model
application.addAppModule("concentration_calculator", 10); // adding module Concentration Calculator to the application model
application.addAppModule("connector", 10); // adding module Connector to the application model
/*
* Connecting the application modules (vertices) in the application model (directed graph) with edges
*/
if(EEG_TRANSMISSION_TIME==10)
application.addAppEdge("EEG", "client", 2000, 500, "EEG", Tuple.UP, AppEdge.SENSOR); // adding edge from EEG (sensor) to Client module carrying tuples of type EEG
else
application.addAppEdge("EEG", "client", 3000, 500, "EEG", Tuple.UP, AppEdge.SENSOR);
application.addAppEdge("client", "concentration_calculator", 3500, 500, "_SENSOR", Tuple.UP, AppEdge.MODULE); // adding edge from Client to Concentration Calculator module carrying tuples of type _SENSOR
application.addAppEdge("concentration_calculator", "connector", 100, 1000, 1000, "PLAYER_GAME_STATE", Tuple.UP, AppEdge.MODULE); // adding periodic edge (period=1000ms) from Concentration Calculator to Connector module carrying tuples of type PLAYER_GAME_STATE
application.addAppEdge("concentration_calculator", "client", 14, 500, "CONCENTRATION", Tuple.DOWN, AppEdge.MODULE); // adding edge from Concentration Calculator to Client module carrying tuples of type CONCENTRATION
application.addAppEdge("connector", "client", 100, 28, 1000, "GLOBAL_GAME_STATE", Tuple.DOWN, AppEdge.MODULE); // adding periodic edge (period=1000ms) from Connector to Client module carrying tuples of type GLOBAL_GAME_STATE
application.addAppEdge("client", "DISPLAY", 1000, 500, "SELF_STATE_UPDATE", Tuple.DOWN, AppEdge.ACTUATOR); // adding edge from Client module to Display (actuator) carrying tuples of type SELF_STATE_UPDATE
application.addAppEdge("client", "DISPLAY", 1000, 500, "GLOBAL_STATE_UPDATE", Tuple.DOWN, AppEdge.ACTUATOR); // adding edge from Client module to Display (actuator) carrying tuples of type GLOBAL_STATE_UPDATE
/*
* Defining the input-output relationships (represented by selectivity) of the application modules.
*/
application.addTupleMapping("client", "EEG", "_SENSOR", new FractionalSelectivity(0.9)); // 0.9 tuples of type _SENSOR are emitted by Client module per incoming tuple of type EEG
application.addTupleMapping("client", "CONCENTRATION", "SELF_STATE_UPDATE", new FractionalSelectivity(1.0)); // 1.0 tuples of type SELF_STATE_UPDATE are emitted by Client module per incoming tuple of type CONCENTRATION
application.addTupleMapping("concentration_calculator", "_SENSOR", "CONCENTRATION", new FractionalSelectivity(1.0)); // 1.0 tuples of type CONCENTRATION are emitted by Concentration Calculator module per incoming tuple of type _SENSOR
application.addTupleMapping("client", "GLOBAL_GAME_STATE", "GLOBAL_STATE_UPDATE", new FractionalSelectivity(1.0)); // 1.0 tuples of type GLOBAL_STATE_UPDATE are emitted by Client module per incoming tuple of type GLOBAL_GAME_STATE
/*
* Defining application loops to monitor the latency of.
* Here, we add only one loop for monitoring : EEG(sensor) -> Client -> Concentration Calculator -> Client -> DISPLAY (actuator)
*/
final AppLoop loop1 = new AppLoop(new ArrayList<String>(){{add("EEG");add("client");add("concentration_calculator");add("client");add("DISPLAY");}});
List<AppLoop> loops = new ArrayList<AppLoop>(){{add(loop1);}};
application.setLoops(loops);
return application;
}
}