edited_example1.java

package org.cloudbus.cloudsim.examples;

/*
 * Title:        CloudSim Toolkit
 * Description:  CloudSim (Cloud Simulation) Toolkit for Modeling and Simulation
 *               of Clouds
 * Licence:      GPL - http://www.gnu.org/copyleft/gpl.html
 *
 * Copyright (c) 2009, The University of Melbourne, Australia
 */

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;

// ehza
import java.lang.Math;
import examples.org.cloudbus.cloudsim.examples.CloudSimExampleInput1;
import java.util.Collections;

/**
 * A simple example showing how to create a datacenter with one host and run one
 * cloudlet on it.
 */
public class CloudSimExample1 {

	/** The cloudlet list. */
	private static List<Cloudlet> cloudletList;

	/** The vmlist. */
	private static List<Vm> vmlist;

	/**
	 * Creates main() to run this example.
	 *
	 * @param args the args
	 */
	public static void main(String[] args) {

		Log.printLine("Starting CloudSimExample1...");

		try {
			// First step: Initialize the CloudSim package. It should be called
			// before creating any entities.
			int num_user = 1; // number of cloud 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
			Datacenter datacenter0 = createDatacenter("Datacenter_2");

			// Third step: Create Broker
			DatacenterBroker broker = createBroker();
			int brokerId = broker.getId();

			// Fourth step: Create one virtual machine
			vmlist = new ArrayList<Vm>();

                        // ehza
                        int totalVms = CloudSimExampleInput1.totalVms;


			// VM description
			int vmid = 0;
			int mips = CloudSimExampleInput1.vmCpuMips;
			long size = CloudSimExampleInput1.vmTotalStorage; // image size (MB)
			int ram = CloudSimExampleInput1.vmTotalMem; // vm memory (MB)
			long bw = CloudSimExampleInput1.vmTotalBW;
			int pesNumber = 1; // number of cpus

                        List<Integer> randomPes = new ArrayList<Integer>(totalVms);
                        for(int i=0; i<totalVms; i++) {
                            int max = CloudSimExampleInput1.vmMaxCpus;
                            int min = 1;
                            int range = max - min + 1;
                            int peNumber = min + (int)(Math.random() * range); //RANDOM NUMBER FOR PE/
                            randomPes.add(peNumber);
                        }


			String vmm = "Xen"; // VMM name
                        // 2nd one
                        // If you use bestfit decreasing,it will decease
                        // Collections.sort(randomPes, Collections.reverseOrder());

                        for (int i = 0; i < totalVms; i++){
			// create VM
                            Vm vm = new Vm(vmid, brokerId, mips, pesNumber, ram, bw, size, vmm, new CloudletSchedulerTimeShared());

			// add the VM to the vmList
                            vmlist.add(vm);
                        }
			// submit vm list to the broker
			broker.submitVmList(vmlist);

			// Fifth step: Create one Cloudlet
			cloudletList = new ArrayList<Cloudlet>();

			// Cloudlet properties
			int id = 0;
			long length = 400000;
			long fileSize = 300;
			long outputSize = 300;
			UtilizationModel utilizationModel = new UtilizationModelFull();

			Cloudlet cloudlet = new Cloudlet(id, length, pesNumber, fileSize, outputSize, utilizationModel, utilizationModel, utilizationModel);
			cloudlet.setUserId(brokerId);
			cloudlet.setVmId(vmid);

			// add the cloudlet to the list
			cloudletList.add(cloudlet);

			// submit cloudlet list to the broker
			broker.submitCloudletList(cloudletList);

                        //print the VM’s information
                        List<Vm> newVmList = broker.getVmList();
                        printVMList(newVmList);
//print the VM’s information
                        List<Host> newHostList = datacenter0.getHostList();
                        printHostList(newHostList);


			// Sixth step: Starts the simulation
			CloudSim.startSimulation();

			CloudSim.stopSimulation();

			//Final step: Print results when simulation is over
			List<Cloudlet> newList = broker.getCloudletReceivedList();
			printCloudletList(newList);

			// Print the debt of each user to each datacenter
			datacenter0.printDebts();

			Log.printLine("CloudSimExample1 finished!");
		} catch (Exception e) {
			e.printStackTrace();
			Log.printLine("Unwanted errors happen");
		}
	}

	/**
	 * Creates the datacenter.
	 *
	 * @param name the name
	 *
	 * @return the datacenter
	 */
	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.
		peList.add(new Pe(0, new PeProvisionerSimple(mips))); // need to store Pe id and MIPS Rating

		// 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;


                int totalHosts=CloudSimExampleInput1.totalHosts;

                for(int i=0; i<totalHosts; i++) {

                    Host host = new Host(

				hostId++,
				new RamProvisionerSimple(ram),
				new BwProvisionerSimple(bw),
				storage,
				peList,
				new VmSchedulerTimeShared(peList));

                     // This is our machine

                    hostList.add(host);
                }
		// 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;
	}

	// We strongly encourage users to develop their own broker policies, to
	// submit vms and cloudlets according
	// to the specific rules of the simulated scenario
	/**
	 * Creates the broker.
	 *
	 * @return the datacenter broker
	 */
	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 + "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()));
			}
		}
	}



    private static void printVMList(List<Vm> list) {
    int size = list.size(); Vm vm;
    String indent = " ";
    Log.printLine();
    Log.printLine("========== VM INFORMATION ============");
    Log.printLine("Vm ID" + indent + "Vm’s PEs" + indent+ "Vm’s RAM" + indent + "Vm’s BW"+ indent );
    for (int i = 0; i < size; i++) { vm = list.get(i);
        Log.print(indent+vm.getId()+indent+indent + vm.getNumberOfPes() + indent+indent ); Log.printLine(vm.getCurrentRequestedRam()+ indent+indent +vm.getCurrentRequestedBw()+ indent+
                indent ); }
        Log.printLine();
    }

  private static void printHostList(List<Host> list) { int size = list.size();
    Host host;
    String indent = " ";


    Log.printLine();
    Log.printLine("========== HOST INFORMATION ==============================");
    Log.printLine("Host ID" + indent+ "Host PEs" + indent + "Host RAM"+ indent + "Host BW"+ indent + "Host HD");
    for (int i = 0; i < size; i++) { host = list.get(i);
        Log.print(indent+host.getId()+ indent+indent+indent );
        Log.printLine(host.getNumberOfPes()+ indent+indent +host.getRam()+indent+indent+host.getBw()+
                indent+host.getStorage()); }
        Log.printLine();
    }


}