Update VmAllocationPolicyMigrationSla example

cloudsim-plus-examples/src/main/java/org/cloudbus/cloudsim/examples/autonomics/VmAllocationPolicyMigrationSlaExample.java

@@ -16,11 +16,13 @@ import org.cloudbus.cloudsim.hosts.Host;
 import org.cloudbus.cloudsim.hosts.HostSimple;
 import org.cloudbus.cloudsim.provisioners.PeProvisionerSimple;
 import org.cloudbus.cloudsim.provisioners.ResourceProvisioner;
+import org.cloudbus.cloudsim.provisioners.ResourceProvisionerShared;
 import org.cloudbus.cloudsim.provisioners.ResourceProvisionerSimple;
 import org.cloudbus.cloudsim.resources.Pe;
 import org.cloudbus.cloudsim.resources.PeSimple;
 import org.cloudbus.cloudsim.schedulers.cloudlet.CloudletSchedulerTimeShared;
 import org.cloudbus.cloudsim.schedulers.vm.VmScheduler;
+import org.cloudbus.cloudsim.schedulers.vm.VmSchedulerSpaceShared;
 import org.cloudbus.cloudsim.schedulers.vm.VmSchedulerTimeShared;
 import org.cloudbus.cloudsim.utilizationmodels.UtilizationModel;
 import org.cloudbus.cloudsim.utilizationmodels.UtilizationModelFull;
@@ -42,20 +44,20 @@ public class VmAllocationPolicyMigrationSlaExample {
 	private static final Double IMPRECISION = 0.001;
 
 	private static final int HOSTS = 1;
-    private static final int HOST_PES = 8;
+	private static final int HOST_PES = 8;
 
-    private static final int VMS = 2;
-    private static final int VM_PES = 4;
+	private static final int VMS = 2;
+	private static final int VM_PES = 4;
 
-    private static final int CLOUDLETS = 4;
-    private static final int CLOUDLET_PES = 10;
-    private static final int CLOUDLET_LENGTH = 10000;
+	private static final int CLOUDLETS = 4;
+	private static final int CLOUDLET_PES = 10;
+	private static final int CLOUDLET_LENGTH = 10000;
 
-    private final CloudSim simulation;
-    private DatacenterBroker broker0;
-    private List<Vm> vmList;
-    private List<Cloudlet> cloudletList;
-    private Datacenter datacenter0;
+	private final CloudSim simulation;
+	private DatacenterBroker broker0;
+	private List<Vm> vmList;
+	private List<Cloudlet> cloudletList;
+	private Datacenter datacenter0;
 
 	public static void main(String[] args) {
 		new VmAllocationPolicyMigrationSlaExample();
@@ -63,91 +65,107 @@ public class VmAllocationPolicyMigrationSlaExample {
 
 	public VmAllocationPolicyMigrationSlaExample() {
 
-        simulation = new CloudSim();
-        datacenter0 = createDatacenter();
+		simulation = new CloudSim();
+		datacenter0 = createDatacenter();
 
-        //Creates a broker that is a software acting on behalf a cloud customer to manage his/her VMs and Cloudlets
-        broker0 = new DatacenterBrokerSimple(simulation);
+		// Creates a broker that is a software acting on behalf a cloud customer to
+		// manage his/her VMs and Cloudlets
+		broker0 = new DatacenterBrokerSimple(simulation);
 
-        vmList = createVms();
-        cloudletList = createCloudlets();
-        broker0.submitVmList(vmList);
-        broker0.submitCloudletList(cloudletList);
+		vmList = createVms();
+		cloudletList = createCloudlets();
+		broker0.submitVmList(vmList);
+		broker0.submitCloudletList(cloudletList);
 
-        simulation.start();
+		simulation.start();
 
-        final List<Cloudlet> finishedCloudlets = broker0.getCloudletFinishedList();
-        new CloudletsTableBuilder(finishedCloudlets).build();
+		final List<Cloudlet> finishedCloudlets = broker0.getCloudletFinishedList();
+		new CloudletsTableBuilder(finishedCloudlets).build();
 
 	}
 
 	/**
-     * Creates a Datacenter and its Hosts.
-     */
-    private Datacenter createDatacenter() {
-        final List<Host> hostList = new ArrayList<>(HOSTS);
-        for(int i = 0; i < HOSTS; i++) {
-            Host host = createHost();
-            hostList.add(host);
-        }
-
-        final Datacenter dc = new DatacenterSimple(simulation, hostList, new VmAllocationPolicyFirstFit());
-        return dc;
-    }
-
-    private Host createHost() {
-        List<Pe> peList = new ArrayList<>(HOST_PES);
-        //List of Host's CPUs (Processing Elements, PEs)
-        for (int i = 0; i < HOST_PES; i++) {
-            peList.add(new PeSimple(1000, new PeProvisionerSimple()));
-        }
-
-        final long ram = 2048; //in Megabytes
-        final long bw = 10000; //in Megabits/s
-        final long storage = 1000000; //in Megabytes
-        ResourceProvisioner ramProvisioner = new ResourceProvisionerSimple();
-        ResourceProvisioner bwProvisioner = new ResourceProvisionerSimple();
-        VmScheduler vmScheduler = new VmSchedulerTimeShared();
-        Host host = new HostSimple(ram, bw, storage, peList);
-        
-        host.setRamProvisioner(ramProvisioner).setBwProvisioner(bwProvisioner).setVmScheduler(vmScheduler);
-        
-        return host;
-    }
-
-    /**
-     * Creates a list of VMs.
-     */
-    private List<Vm> createVms() {
-        final List<Vm> list = new ArrayList<>(VMS);
-        for (int i = 0; i < VMS; i++) {
-            Vm vm =
-                new VmSimple(i, 1000, VM_PES)
-                    .setRam(512).setBw(1000).setSize(10000)
-                    .setCloudletScheduler(new CloudletSchedulerTimeShared());
-
-            list.add(vm);
-        }
-
-        return list;
-    }
-
-    /**
-     * Creates a list of Cloudlets.
-     */
-    private List<Cloudlet> createCloudlets() {
-        final List<Cloudlet> list = new ArrayList<>(CLOUDLETS);
-        UtilizationModel utilization = new UtilizationModelFull();
-        for (int i = 0; i < CLOUDLETS; i++) {
-            Cloudlet cloudlet =
-                new CloudletSimple(i, CLOUDLET_LENGTH, CLOUDLET_PES)
-                    .setFileSize(1024)
-                    .setOutputSize(1024)
-                    .setUtilizationModel(utilization);
-            list.add(cloudlet);
-        }
-
-        return list;
-    }
+	 * Creates a Datacenter and its Hosts.
+	 */
+	private Datacenter createDatacenter() {
+		final List<Host> hostList = new ArrayList<>(HOSTS);
+		final int hostId = 0;
+
+		createHosts(LOOSE, HOSTS, hostList, hostId);
+		createHosts(TIGHT, HOSTS, hostList, hostId);
+
+		final Datacenter dc = new DatacenterSimple(simulation, hostList, new VmAllocationPolicyFirstFit());
+		return dc;
+	}
+
+	private void createHosts(String slaExploitationPolicy, int numberOfHeavenHosts, List<Host> hostList, int hostId) {
+		for (int i = 0; i < numberOfHeavenHosts; i++) {
+			Host host = createHost(slaExploitationPolicy);
+			hostList.add(host);
+			host.setId(i);
+		}
+	}
+
+	private Host createHost(String slaExploitationPolicy) {
+		List<Pe> peList = new ArrayList<>(HOST_PES);
+		// List of Host's CPUs (Processing Elements, PEs)
+		for (int i = 0; i < HOST_PES; i++) {
+			peList.add(new PeSimple(1000, new PeProvisionerSimple()));
+		}
+
+		final long ram = 2048; // in Megabytes
+		final long bw = 10000; // in Megabits/s
+		final long storage = 1000000; // in Megabytes
+		final long iops = 20000;
+
+		ResourceProvisioner ramProvisioner = new ResourceProvisionerSimple();
+		ResourceProvisioner bwProvisioner = new ResourceProvisionerSimple();
+		VmScheduler vmScheduler = new VmSchedulerSpaceShared();
+
+		Host host = new HostSimple(ram, iops, bw, storage, peList).setRamProvisioner(ramProvisioner)
+				.setBwProvisioner(bwProvisioner).setVmScheduler(vmScheduler);
+
+		switch (slaExploitationPolicy) {
+		case LOOSE:
+			host.setIopsProvisioner(new ResourceProvisionerSimple());
+			break;
+
+		case TIGHT:
+			host.setIopsProvisioner(new ResourceProvisionerShared());
+			break;
+		}
+
+		return host;
+	}
+
+	/**
+	 * Creates a list of VMs.
+	 */
+	private List<Vm> createVms() {
+		final List<Vm> list = new ArrayList<>(VMS);
+		for (int i = 0; i < VMS; i++) {
+			Vm vm = new VmSimple(i, 1000, VM_PES).setRam(512).setBw(1000).setSize(10000)
+					.setCloudletScheduler(new CloudletSchedulerTimeShared());
+
+			list.add(vm);
+		}
+
+		return list;
+	}
+
+	/**
+	 * Creates a list of Cloudlets.
+	 */
+	private List<Cloudlet> createCloudlets() {
+		final List<Cloudlet> list = new ArrayList<>(CLOUDLETS);
+		UtilizationModel utilization = new UtilizationModelFull();
+		for (int i = 0; i < CLOUDLETS; i++) {
+			Cloudlet cloudlet = new CloudletSimple(i, CLOUDLET_LENGTH, CLOUDLET_PES).setFileSize(1024)
+					.setOutputSize(1024).setUtilizationModel(utilization);
+			list.add(cloudlet);
+		}
+
+		return list;
+	}
 
 }