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;
// A simple example showing how to create a data center
// with one host and run eight cloudlets on it
public class CloudSimExample1 {
// The cloudlet list
private static List<Cloudlet> cloudletList;
// The vmlist
private static List<Vm> vmlist;
@SuppressWarnings("unused")
public static void main(String[] args)
{
Log.printLine("Starting CloudSimExample2...");
try {
// First step: Initialize the CloudSim package.
// It should be called before creating any
// entities. number of cloud users
int num_user = 1;
// Calendar whose fields have been initialized
// with the current date and time.
Calendar calendar = Calendar.getInstance();
// trace events
boolean trace_flag = false;
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
Datacenter datacenter0
= createDatacenter("Datacenter_0");
// Third step: Create Broker
DatacenterBroker broker = createBroker();
int brokerId = broker.getId();
// Fourth step: Create four virtual machine
vmlist = new ArrayList<Vm>();
// VM description
int vmid = 0;
int mips = 1000;
long size = 10000; // image size (MB)
int ram = 512; // vm memory (MB)
long bw = 1000; // bandwidth
int pesNumber = 1; // number of cpus
String vmm = "Xen"; // VMM name
// create 4 VMs
Vm vm1
= new Vm(vmid, brokerId, mips, pesNumber,
ram, bw, size, vmm,
new CloudletSchedulerTimeShared());
vmid++;
Vm vm2 = new Vm(
vmid, brokerId, mips * 2, pesNumber,
ram - 256, bw, size * 2, vmm,
new CloudletSchedulerTimeShared());
vmid++;
Vm vm3 = new Vm(
vmid, brokerId, mips / 2, pesNumber,
ram + 256, bw, size * 3, vmm,
new CloudletSchedulerTimeShared());
vmid++;
Vm vm 4
= new Vm(vmid, brokerId, mips * 4,
pesNumber, ram, bw, size * 4, vmm,
new CloudletSchedulerTimeShared());
vmid++;
// add the VM to the vmList
vmlist.add(vm1);
vmlist.add(vm2);
vmlist.add(vm3);
vmlist.add(vm4);
// submit vm list to the broker
broker.submitVmList(vmlist);
// Fifth step: Create eight Cloudlets
cloudletList = new ArrayList<Cloudlet>();
// Cloudlet properties
int id = 0;
long length = 400000;
long fileSize = 300;
long outputSize = 300;
UtilizationModel utilizationModel
= new UtilizationModelFull();
Cloudlet cloudlet1 = new Cloudlet(
id, length, pesNumber, fileSize, outputSize,
utilizationModel, utilizationModel,
utilizationModel);
cloudlet1.setUserId(brokerId);
id++;
Cloudlet cloudlet2 = new Cloudlet(
id, length * 2, pesNumber, fileSize * 2,
outputSize / 3, utilizationModel,
utilizationModel, utilizationModel);
cloudlet2.setUserId(brokerId);
id++;
Cloudlet cloudlet3 = new Cloudlet(
id, length / 2, pesNumber, fileSize * 3,
outputSize * 3, utilizationModel,
utilizationModel, utilizationModel);
cloudlet3.setUserId(brokerId);
Cloudlet cloudlet4 = new Cloudlet(
id, length / 3, pesNumber, fileSize / 3,
outputSize / 2, utilizationModel,
utilizationModel, utilizationModel);
cloudlet4.setUserId(brokerId);
Cloudlet cloudlet5 = new Cloudlet(
id, length * 3, pesNumber, fileSize / 2,
outputSize / 4, utilizationModel,
utilizationModel, utilizationModel);
cloudlet5.setUserId(brokerId);
Cloudlet cloudlet6 = new Cloudlet(
id, length / 4, pesNumber, fileSize * 4,
outputSize * 4, utilizationModel,
utilizationModel, utilizationModel);
cloudlet6.setUserId(brokerId);
Cloudlet cloudlet7 = new Cloudlet(
id, length * 4, pesNumber, fileSize,
outputSize * 2, utilizationModel,
utilizationModel, utilizationModel);
cloudlet7.setUserId(brokerId);
Cloudlet cloudlet8 = new Cloudlet(
id, length, pesNumber, fileSize / 4,
outputSize / 3, utilizationModel,
utilizationModel, utilizationModel);
cloudlet8.setUserId(brokerId);
// add the cloudlet to the list
cloudletList.add(cloudlet1);
cloudletList.add(cloudlet2);
cloudletList.add(cloudlet3);
cloudletList.add(cloudlet4);
cloudletList.add(cloudlet5);
cloudletList.add(cloudlet6);
cloudletList.add(cloudlet7);
cloudletList.add(cloudlet8);
// submit cloudlet list to the broker
broker.submitCloudletList(cloudletList);
// bind the cloudlets to the vms,This way the
// broker will submit the bound cloudlets only
// to the specific VM
broker.bindCloudletToVm(
Cloudlet1.getCloudletId(), vm1.getId());
broker.bindCloudletToVm(
Cloudlet2.getCloudletId(), vm2.getId());
broker.bindCloudletToVm(
Cloudlet3.getCloudletId(), vm3.getId());
broker.bindCloudletToVm(
Cloudlet4.getCloudletId(), vm4.getId());
broker.bindCloudletToVm(
Cloudlet5.getCloudletId(), vm1.getId());
broker.bindCloudletToVm(
Cloudlet6.getCloudletId(), vm2.getId());
broker.bindCloudletToVm(
Cloudlet7.getCloudletId(), vm3.getId());
broker.bindCloudletToVm(
Cloudlet8.getCloudletId(), vm4.getId());
// Sixth step: Starts the simulation
CloudSim.startSimulation();
CloudSim.stopSimulation();
// Final step: Print results when simulation is
// over
List<Cloudlet> newList
= broker.getCloudletReceivedList();
printCloudletList(newList);
Log.printLine("CloudSimExample1 finished!");
}
catch (Exception e) {
e.printStackTrace();
Log.printLine("Unwanted errors happen");
}
}
private static Datacenter createDatacenter(String name)
{
// Here are the steps needed to create a
// PowerDatacenter:
// 1. We need to create a list to store
// our machine
List<Host> hostList = new ArrayList<Host>();
// 2. A Machine contains one or more PEs or
// CPUs/Cores. In this example, it will have only
// one core.
List<Pe> peList = new ArrayList<Pe>();
int mips = 1000;
// 3. Create PEs and add these into a list.
// need to store Pe id and MIPS Rating
peList.add(
new Pe(0, new PeProvisionerSimple(mips)));
// 4. Create Host 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, peList,
new VmSchedulerTimeShared(
peList))); // This is our machine
// 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
= 0.001; // 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
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;
}
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 + "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
+ dft.format(
cloudlet.getActualCPUTime())
+ indent + indent
+ dft.format(
cloudlet.getExecStartTime())
+ indent + indent
+ dft.format(cloudlet.getFinishTime()));
}
}
}
}