package org.cloudbus.cloudsim.examples;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.LinkedList;
import java.util.List;
import org.cloudbus.cloudsim.Cloudlet;
import org.cloudbus.cloudsim.CloudletSchedulerTimeShared;
import org.cloudbus.cloudsim.Datacenter;
import org.cloudbus.cloudsim.DatacenterBroker;
import org.cloudbus.cloudsim.DatacenterCharacteristics;
import org.cloudbus.cloudsim.Host;
import org.cloudbus.cloudsim.Log;
import org.cloudbus.cloudsim.Pe;
import org.cloudbus.cloudsim.Storage;
import org.cloudbus.cloudsim.UtilizationModel;
import org.cloudbus.cloudsim.UtilizationModelFull;
import org.cloudbus.cloudsim.Vm;
import org.cloudbus.cloudsim.VmAllocationPolicySimple;
import org.cloudbus.cloudsim.VmSchedulerTimeShared;
import org.cloudbus.cloudsim.core.CloudSim;
import org.cloudbus.cloudsim.provisioners.BwProvisionerSimple;
import org.cloudbus.cloudsim.provisioners.PeProvisionerSimple;
import org.cloudbus.cloudsim.provisioners.RamProvisionerSimple;
public class CloudSimExample6 {
private static List<Cloudlet> cloudletList;
private static List<Vm> vmlist;
private static List<Vm> createVM(int userId, int vms) {
LinkedList<Vm> list = new LinkedList<Vm>();
long size = 10000; //image size (MB)
int ram = 512; //vm memory (MB)
int mips = 1000;
long bw = 1000;
int pesNumber = 1; //number of cpus
String vmm = "Xen"; //VMM name
Vm[] vm = new Vm[vms];
for(int i=0;i<vms;i++){
vm[i] = new Vm(i, userId, mips, pesNumber, ram, bw, size, vmm, new CloudletSchedulerTimeShared());
//for creating a VM with a space shared scheduling policy for cloudlets:
//vm[i] = Vm(i, userId, mips, pesNumber, ram, bw, size, priority, vmm, new CloudletSchedulerSpaceShared());
list.add(vm[i]);
}
return list;
}
private static List<Cloudlet> createCloudlet(int userId, int cloudlets){
// Creates a container to store Cloudlets
LinkedList<Cloudlet> list = new LinkedList<Cloudlet>();
//cloudlet parameters
long length = 1000;
long fileSize = 300;
long outputSize = 300;
int pesNumber = 1;
UtilizationModel utilizationModel = new UtilizationModelFull();
Cloudlet[] cloudlet = new Cloudlet[cloudlets];
for(int i=0;i<cloudlets;i++){
cloudlet[i] = new Cloudlet(i, length, pesNumber, fileSize, outputSize, utilizationModel, utilizationModel, utilizationModel);
// setting the owner of these Cloudlets cloudlet[i].setUserId(userId);
list.add(cloudlet[i]);
}
return list;
}
////////////////////////// STATIC METHODS ///////////////////////
/** * Creates main() to run this example */
public static void main(String[] args) { Log.printLine("Starting CloudSimExample6...");
try {
// First step: Initialize the CloudSim package. It should be called
// before creating any entities.
int num_user = 1; // number of grid users
Calendar calendar = Calendar.getInstance();
boolean trace_flag = false; // mean trace events
// Initialize the CloudSim library
CloudSim.init(num_user, calendar, trace_flag);
// Second step: Create Datacenters
//Datacenters are the resource providers in CloudSim. We need at list one of them to run a CloudSim simulation @SuppressWarnings("unused")
Datacenter datacenter0 = createDatacenter("Datacenter_0");
@SuppressWarnings("unused")
Datacenter datacenter1 = createDatacenter("Datacenter_1");
//Third step: Create Broker
DatacenterBroker broker = createBroker();
int brokerId = broker.getId();
//Fourth step: Create VMs and Cloudlets and send them to broker
vmlist = createVM(brokerId,20); //creating 20 vms
cloudletList = createCloudlet(brokerId,40); // creating 40 cloudlets
broker.submitVmList(vmlist);
broker.submitCloudletList(cloudletList);
// Fifth step: Starts the simulation
CloudSim.startSimulation();
// Final step: Print results when simulation is over
List<Cloudlet> newList = broker.getCloudletReceivedList();
CloudSim.stopSimulation();
printCloudletList(newList);
Log.printLine("CloudSimExample6 finished!"); }
catch (Exception e) {
e.printStackTrace();
Log.printLine("The simulation has been terminated due to an unexpected error");
}
}
private static Datacenter createDatacenter(String name){
// Here are the steps needed to create a PowerDatacenter: // 1. We need to create a list to store one or more // Machines
List<Host> hostList = new ArrayList<Host>();
// 2. A Machine contains one or more PEs or CPUs/Cores. Therefore, should // create a list to store these PEs before creating // a Machine.
List<Pe> peList1 = new ArrayList<Pe>();
int mips = 1000;
// 3. Create PEs and add these into the list. //for a quad-core machine, a list of 4 PEs is required: peList1.add(new Pe(0, new PeProvisionerSimple(mips))); // need to store Pe id and MIPS Rating peList1.add(new Pe(1, new PeProvisionerSimple(mips)));
peList1.add(new Pe(2, new PeProvisionerSimple(mips)));
peList1.add(new Pe(3, new PeProvisionerSimple(mips)));
//Another list, for a dual-core machine List<Pe> peList2 = new ArrayList<Pe>();
peList2.add(new Pe(0, new PeProvisionerSimple(mips)));
peList2.add(new Pe(1, new PeProvisionerSimple(mips)));
//4. Create Hosts with its id and list of PEs and add them to the list of machines
int hostId=0;
int ram = 2048; //host memory (MB)
long storage = 1000000; //host storage
int bw = 10000;
hostList.add( new Host(
hostId,
new RamProvisionerSimple(ram),
new BwProvisionerSimple(bw),
storage,
peList1,
new VmSchedulerTimeShared(peList1))); // This is our first machine
hostId++;
hostList.add(new Host(hostId, new RamProvisionerSimple(ram),
new BwProvisionerSimple(bw),
storage,
peList2,
new VmSchedulerTimeShared(peList2))); // Second machine
//To create a host with a space-shared allocation policy for PEs to VMs:
hostList.add( new Host(
hostId,
new CpuProvisionerSimple(peList1),
new RamProvisionerSimple(ram),
new BwProvisionerSimple(bw),
storage,
new VmSchedulerSpaceShared(peList1) ) );
//To create a host with a oportunistic space-shared allocation policy for PEs to VMs:
hostList.add( new Host(
hostId,
new CpuProvisionerSimple(peList1),
new RamProvisionerSimple(ram),
new BwProvisionerSimple(bw),
storage,
new VmSchedulerOportunisticSpaceShared(peList1) ) );
// 5. Create a DatacenterCharacteristics object that stores the
// properties of a data center: architecture, OS, list of
// Machines, allocation policy: time- or space-shared, time zone
// and its price (G$/Pe time unit).
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 = 0.1; // the cost of using storage in this resource
double costPerBw = 0.1; // the cost of using bw in this resource
LinkedList<Storage> storageList = new LinkedList<Storage>(); //we are not adding SAN devices by now
DatacenterCharacteristics characteristics = new DatacenterCharacteristics( arch, os, vmm, hostList, time_zone, cost, costPerMem, costPerStorage, costPerBw);
// 6. Finally, we need to create a PowerDatacenter object.
Datacenter datacenter = null;
try {
datacenter = new Datacenter(name, characteristics, new VmAllocationPolicySimple(hostList), storageList, 0);
}
catch (Exception e) {
e.printStackTrace(); }
return datacenter;
}
private static DatacenterBroker createBroker(){
DatacenterBroker broker = null;
try {
broker = new DatacenterBroker("Broker"); }
catch (Exception e) {
e.printStackTrace(); return null; }
return broker; }
/** * Prints the Cloudlet objects * @param list list of Cloudlets */
private static void printCloudletList(List<Cloudlet> list) {
int size = list.size();
Cloudlet cloudlet;
String indent = " ";
Log.printLine();
Log.printLine("========== OUTPUT ==========");
Log.printLine("Cloudlet ID" + indent + "STATUS" + indent + "Data center ID" + indent + "VM ID" + indent + indent + "Time" + indent + "Start Time" + indent + "Finish Time");
DecimalFormat dft = new DecimalFormat("###.##");
for (int i = 0; i < size; i++) {
cloudlet = list.get(i);
Log.print(indent + cloudlet.getCloudletId() + indent + indent);
if (cloudlet.getCloudletStatus() == Cloudlet.SUCCESS){
Log.print("SUCCESS");
Log.printLine( indent + indent + cloudlet.getResourceId() + indent + indent + indent + cloudlet.getVmId() + indent + indent + indent + dft.format(cloudlet.getActualCPUTime()) + indent + indent + dft.format(cloudlet.getExecStartTime())+ indent + indent + indent + dft.format(cloudlet.getFinishTime()));
} }
} }
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