priority.java

/*
 * 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
 */

package org.cloudbus.cloudsim.examples;

import org.cloudbus.cloudsim.examples.NewCloudlet;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.LinkedList;
import java.util.List;
import java.util.Scanner;

import org.cloudbus.cloudsim.Cloudlet;
import org.cloudbus.cloudsim.CloudletSchedulerSpaceShared;
import org.cloudbus.cloudsim.CloudletSchedulerTimeShared;
import org.cloudbus.cloudsim.Datacenter;
import org.cloudbus.cloudsim.DatacenterBrokerPriority;
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;


/**2
 * 
 * A simple example showing how to create
 * a datacenter with one host and run two
 * cloudlets on it. The cloudlets run in
 * VMs with the same MIPS requirements.
 * The cloudlets will take the same time to
 * complete the execution.
 */
public class priority {

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

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

	/**
	 * Creates main() to run this example
	 */
	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.
	            	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_0");

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

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

	            	//VM description
	            	int vmid = 0;
	            	int mips = 250;
	            	long size = 10000; //image size (MB)
	            	int ram = 512; //vm memory (MB)
	            	long bw = 1000;
	            	int pesNumber = 1; //number of cpus
	            	String vmm = "Xen"; //VMM name

	            	//create two VMs
	            	Vm vm1 = new Vm(vmid, brokerId, mips, pesNumber, ram, bw, size, vmm, new CloudletSchedulerSpaceShared());

	            	//the second VM will have twice the priority of VM1 and so will receive twice CPU time
	            	//vmid++;
	            	//Vm vm2 = new Vm(vmid, brokerId, mips, pesNumber, ram, bw, size, vmm, new CloudletSchedulerSpaceShared());
                        
                        //vmid++;
	            	//Vm vm3 = new Vm(vmid, brokerId, mips, pesNumber, ram, bw, size, vmm, new CloudletSchedulerSpaceShared());

                        
	            	//add the VMs to the vmList
	            	vmlist.add(vm1);
	            	//vmlist.add(vm2);
                        //vmlist.add(vm3);
	            	//submit vm list to the broker
	            	broker.submitVmList(vmlist);


	            	//Fifth step: Create two Cloudlets
	            	cloudletList = new ArrayList<NewCloudlet>();

	            	//Cloudlet properties
	            	int id = 0;
	            	pesNumber=1;
	            	long length = 250000;
	            	long fileSize = 300;
	            	long outputSize = 300;
	            	UtilizationModel utilizationModel = new UtilizationModelFull();
                        
                        Scanner in=new Scanner(System.in);
                        for(int i=0;i<6;i++){
                            int p1;
                            Log.printLine("Enter Priority for Cloudlet "+i+" :");
                            p1=in.nextInt();
                        
                            NewCloudlet cloudlet1 = new NewCloudlet(i, length, pesNumber, fileSize, outputSize, utilizationModel, utilizationModel, utilizationModel,p1);
                            cloudlet1.setUserId(brokerId);
                            cloudletList.add(cloudlet1);
                        }
                        
                        
//                        int p1,p2,p3;
//                            Log.printLine("Enter Priority for Cloudlet 0 :");
//                            p1=in.nextInt();
//                        
//	            	NewCloudlet cloudlet1 = new NewCloudlet(id, length, pesNumber, fileSize, outputSize, utilizationModel, utilizationModel, utilizationModel,p1);
//	            	cloudlet1.setUserId(brokerId);
//                        
//                         Log.printLine("Enter Priority for Cloudlet 1 :");
//                            p2=in.nextInt();
//	            	id++;
//	            	NewCloudlet cloudlet2 = new NewCloudlet(id, length, pesNumber, fileSize, outputSize, utilizationModel, utilizationModel, utilizationModel,p2);
//	            	cloudlet2.setUserId(brokerId);
//
//                        
//                         Log.printLine("Enter Priority for Cloudlet 2 :");
//                            p3=in.nextInt();
//	            	id++;
//	            	NewCloudlet cloudlet3 = new NewCloudlet(id, length, pesNumber, fileSize, outputSize, utilizationModel, utilizationModel, utilizationModel,p3);
//	            	cloudlet3.setUserId(brokerId);
//
//                        
//	            	//add the cloudlets to the list
//	            	cloudletList.add(cloudlet1);
//	            	cloudletList.add(cloudlet2);
//                        cloudletList.add(cloudlet3);
	            	//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
                        for(int i=0;i<6;i++){
                            broker.bindCloudletToVm(cloudletList.get(i).getCloudletId(),vm1.getId());
                        }
//	            	broker.bindCloudletToVm(cloudlet1.getCloudletId(),vm1.getId());
//	            	broker.bindCloudletToVm(cloudlet2.getCloudletId(),vm1.getId());
//                        broker.bindCloudletToVm(cloudlet3.getCloudletId(),vm1.getId());
//	            	// Sixth step: Starts the simulation
	            	CloudSim.startSimulation();


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

	            	CloudSim.stopSimulation();

	            	printCloudletList(newList);

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

	            	Log.printLine("CloudSimExample2 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
	    	//    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;

	        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;
	    }

	    //We strongly encourage users to develop their own broker policies, to submit vms and cloudlets according
	    //to the specific rules of the simulated scenario
	    private static DatacenterBrokerPriority createBroker(){

	    	DatacenterBrokerPriority broker = null;
	        try {
			broker = new DatacenterBrokerPriority("Broker");
		} catch (Exception e) {
			e.printStackTrace();
			return null;
		}
	    	return broker;
	    }

	    /**
	     * Prints the Cloudlet objects
	     * @param list  list of Cloudlets
	     */
	    private static void printCloudletList(List<NewCloudlet> list) {
	        int size = list.size();
	        NewCloudlet 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" + indent +"Priority");

	        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 + indent + cloudlet.getVmId() +
	                     indent + indent + dft.format(cloudlet.getActualCPUTime()) + indent + indent + dft.format(cloudlet.getExecStartTime())+
                             indent + indent + dft.format(cloudlet.getFinishTime())+ indent + indent + cloudlet.getCloudlet_priority());
	            }
	        }

	    }
}