260 lines
11 KiB
Java
260 lines
11 KiB
Java
package org.fog.test.perfeval;
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import org.cloudbus.cloudsim.Host;
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import org.cloudbus.cloudsim.Log;
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import org.cloudbus.cloudsim.Pe;
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import org.cloudbus.cloudsim.Storage;
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import org.cloudbus.cloudsim.core.CloudSim;
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import org.cloudbus.cloudsim.power.PowerHost;
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import org.cloudbus.cloudsim.provisioners.RamProvisionerSimple;
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import org.cloudbus.cloudsim.sdn.overbooking.BwProvisionerOverbooking;
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import org.cloudbus.cloudsim.sdn.overbooking.PeProvisionerOverbooking;
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import org.fog.application.AppEdge;
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import org.fog.application.AppLoop;
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import org.fog.application.Application;
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import org.fog.application.selectivity.FractionalSelectivity;
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import org.fog.entities.*;
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import org.fog.placement.Controller;
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import org.fog.placement.ModuleMapping;
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import org.fog.placement.ModulePlacementEdgewards;
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import org.fog.placement.ModulePlacementMapping;
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import org.fog.policy.AppModuleAllocationPolicy;
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import org.fog.scheduler.StreamOperatorScheduler;
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import org.fog.utils.FogLinearPowerModel;
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import org.fog.utils.FogUtils;
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import org.fog.utils.TimeKeeper;
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import org.fog.utils.distribution.DeterministicDistribution;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.LinkedList;
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import java.util.List;
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/**
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* Simulation setup for case study 2 - Intelligent Surveillance
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* @author Harshit Gupta
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*
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*/
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public class Birbnetes_copyofdcnsfog {
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static List<FogDevice> fogDevices = new ArrayList<FogDevice>();
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static List<Sensor> sensors = new ArrayList<Sensor>();
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static List<Actuator> actuators = new ArrayList<Actuator>();
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static int numOfAreas = 1;
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static int numOfCamerasPerArea = 4;
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private static boolean CLOUD = false;
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public static void main(String[] args) {
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Log.printLine("Starting DCNS...");
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try {
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Log.disable();
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int num_user = 1; // number of cloud users
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Calendar calendar = Calendar.getInstance();
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boolean trace_flag = false; // mean trace events
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CloudSim.init(num_user, calendar, trace_flag);
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String appId = "dcns"; // identifier of the application
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FogBroker broker = new FogBroker("broker");
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Application application = createApplication(appId, broker.getId());
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application.setUserId(broker.getId());
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createFogDevices(broker.getId(), appId);
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Controller controller = null;
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ModuleMapping moduleMapping = ModuleMapping.createModuleMapping(); // initializing a module mapping
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for(FogDevice device : fogDevices){
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if(device.getName().startsWith("m")){ // names of all Smart Cameras start with 'm'
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moduleMapping.addModuleToDevice("motion_detector", device.getName()); // fixing 1 instance of the Motion Detector module to each Smart Camera
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}
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}
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moduleMapping.addModuleToDevice("user_interface", "cloud"); // fixing instances of User Interface module in the Cloud
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if(CLOUD){
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// if the mode of deployment is cloud-based
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moduleMapping.addModuleToDevice("object_detector", "cloud"); // placing all instances of Object Detector module in the Cloud
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moduleMapping.addModuleToDevice("object_tracker", "cloud"); // placing all instances of Object Tracker module in the Cloud
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}
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controller = new Controller("master-controller", fogDevices, sensors,
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actuators);
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controller.submitApplication(application,
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(CLOUD)?(new ModulePlacementMapping(fogDevices, application, moduleMapping))
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:(new ModulePlacementEdgewards(fogDevices, sensors, actuators, application, moduleMapping)));
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TimeKeeper.getInstance().setSimulationStartTime(Calendar.getInstance().getTimeInMillis());
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CloudSim.startSimulation();
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CloudSim.stopSimulation();
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Log.printLine("VRGame finished!");
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} catch (Exception e) {
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e.printStackTrace();
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Log.printLine("Unwanted errors happen");
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}
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}
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/**
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* Creates the fog devices in the physical topology of the simulation.
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* @param userId
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* @param appId
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*/
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private static void createFogDevices(int userId, String appId) {
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FogDevice cloud = createFogDevice("cloud", 44800, 40000, 100, 10000, 0, 0.01, 16*103, 16*83.25);
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cloud.setParentId(-1);
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fogDevices.add(cloud);
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FogDevice proxy = createFogDevice("proxy-server", 2800, 4000, 10000, 10000, 1, 0.0, 107.339, 83.4333);
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proxy.setParentId(cloud.getId());
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proxy.setUplinkLatency(100); // latency of connection between proxy server and cloud is 100 ms
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fogDevices.add(proxy);
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for(int i=0;i<numOfAreas;i++){
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addArea(i+"", userId, appId, proxy.getId());
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}
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}
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private static FogDevice addArea(String id, int userId, String appId, int parentId){
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FogDevice router = createFogDevice("d-"+id, 2800, 4000, 10000, 10000, 1, 0.0, 107.339, 83.4333);
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fogDevices.add(router);
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router.setUplinkLatency(2); // latency of connection between router and proxy server is 2 ms
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for(int i=0;i<numOfCamerasPerArea;i++){
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String mobileId = id+"-"+i;
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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.
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camera.setUplinkLatency(2); // latency of connection between camera and router is 2 ms
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fogDevices.add(camera);
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}
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router.setParentId(parentId);
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return router;
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}
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private static FogDevice addCamera(String id, int userId, String appId, int parentId){
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FogDevice camera = createFogDevice("m-"+id, 500, 1000, 10000, 10000, 3, 0, 87.53, 82.44);
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camera.setParentId(parentId);
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Sensor sensor = new Sensor("s-"+id, "CAMERA", userId, appId, new DeterministicDistribution(5)); // inter-transmission time of camera (sensor) follows a deterministic distribution
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sensors.add(sensor);
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Actuator ptz = new Actuator("ptz-"+id, userId, appId, "PTZ_CONTROL");
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actuators.add(ptz);
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sensor.setGatewayDeviceId(camera.getId());
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sensor.setLatency(1.0); // latency of connection between camera (sensor) and the parent Smart Camera is 1 ms
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ptz.setGatewayDeviceId(camera.getId());
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ptz.setLatency(1.0); // latency of connection between PTZ Control and the parent Smart Camera is 1 ms
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return camera;
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}
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/**
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* Creates a vanilla fog device
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* @param nodeName name of the device to be used in simulation
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* @param mips MIPS
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* @param ram RAM
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* @param upBw uplink bandwidth
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* @param downBw downlink bandwidth
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* @param level hierarchy level of the device
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* @param ratePerMips cost rate per MIPS used
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* @param busyPower
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* @param idlePower
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* @return
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*/
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private static FogDevice createFogDevice(String nodeName, long mips,
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int ram, long upBw, long downBw, int level, double ratePerMips, double busyPower, double idlePower) {
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List<Pe> peList = new ArrayList<Pe>();
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// 3. Create PEs and add these into a list.
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peList.add(new Pe(0, new PeProvisionerOverbooking(mips))); // need to store Pe id and MIPS Rating
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int hostId = FogUtils.generateEntityId();
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long storage = 1000000; // host storage
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int bw = 10000;
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PowerHost host = new PowerHost(
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hostId,
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new RamProvisionerSimple(ram),
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new BwProvisionerOverbooking(bw),
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storage,
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peList,
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new StreamOperatorScheduler(peList),
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new FogLinearPowerModel(busyPower, idlePower)
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);
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List<Host> hostList = new ArrayList<Host>();
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hostList.add(host);
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String arch = "x86"; // system architecture
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String os = "Linux"; // operating system
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String vmm = "Xen";
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double time_zone = 10.0; // time zone this resource located
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double cost = 3.0; // the cost of using processing in this resource
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double costPerMem = 0.05; // the cost of using memory in this resource
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double costPerStorage = 0.001; // the cost of using storage in this
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// resource
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double costPerBw = 0.0; // the cost of using bw in this resource
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LinkedList<Storage> storageList = new LinkedList<Storage>(); // we are not adding SAN
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// devices by now
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FogDeviceCharacteristics characteristics = new FogDeviceCharacteristics(
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arch, os, vmm, host, time_zone, cost, costPerMem,
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costPerStorage, costPerBw);
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FogDevice fogdevice = null;
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try {
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fogdevice = new FogDevice(nodeName, characteristics,
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new AppModuleAllocationPolicy(hostList), storageList, 10, upBw, downBw, 0, ratePerMips);
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} catch (Exception e) {
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e.printStackTrace();
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}
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fogdevice.setLevel(level);
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return fogdevice;
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}
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/**
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* Function to create the Intelligent Surveillance application in the DDF model.
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* @param appId unique identifier of the application
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* @param userId identifier of the user of the application
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* @return
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*/
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@SuppressWarnings({"serial" })
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private static Application createApplication(String appId, int userId){
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Application application = Application.createApplication(appId, userId);
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/*
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* Adding modules (vertices) to the application model (directed graph)
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*/
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application.addAppModule("object_detector", 10);
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application.addAppModule("motion_detector", 10);
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application.addAppModule("object_tracker", 10);
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application.addAppModule("user_interface", 10);
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/*
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* Connecting the application modules (vertices) in the application model (directed graph) with edges
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*/
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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
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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
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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
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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
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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
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/*
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* Defining the input-output relationships (represented by selectivity) of the application modules.
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*/
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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
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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
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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
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/*
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* Defining application loops (maybe incomplete loops) to monitor the latency of.
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* Here, we add two loops for monitoring : Motion Detector -> Object Detector -> Object Tracker and Object Tracker -> PTZ Control
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*/
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final AppLoop loop1 = new AppLoop(new ArrayList<String>(){{add("motion_detector");add("object_detector");add("object_tracker");}});
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final AppLoop loop2 = new AppLoop(new ArrayList<String>(){{add("object_tracker");add("PTZ_CONTROL");}});
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List<AppLoop> loops = new ArrayList<AppLoop>(){{add(loop1);add(loop2);}};
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application.setLoops(loops);
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return application;
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}
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} |