Issues solved: 2, 5, 9, 10, 19

Issue solution not tested: 8

modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/CloudSimExample1.java

@@ -88,9 +88,15 @@ public class CloudSimExample1 {
 
 			// create VM
 			Vm vm = new Vm(vmid, brokerId, mips, pesNumber, ram, bw, size, vmm, new CloudletSchedulerTimeShared());
+			
+			Vm vm1 = new Vm(1, brokerId, mips, pesNumber, ram, bw, size, vmm, new CloudletSchedulerTimeShared());
+			Vm vm2 = new Vm(2, brokerId, mips, pesNumber, ram, bw, size, vmm, new CloudletSchedulerTimeShared());
 
 			// add the VM to the vmList
 			vmlist.add(vm);
+			
+			vmlist.add(vm1);
+			vmlist.add(vm2);
 
 			// submit vm list to the broker
 			broker.submitVmList(vmlist);
@@ -108,9 +114,21 @@ public class CloudSimExample1 {
 			Cloudlet cloudlet = new Cloudlet(id, length, pesNumber, fileSize, outputSize, utilizationModel, utilizationModel, utilizationModel);
 			cloudlet.setUserId(brokerId);
 			cloudlet.setVmId(vmid);
+			
+			Cloudlet cloudlet1 = new Cloudlet(1, length, pesNumber, fileSize, outputSize, utilizationModel, utilizationModel, utilizationModel);
+			cloudlet1.setUserId(brokerId);
+			cloudlet1.setVmId(1);
+			
+			Cloudlet cloudlet2 = new Cloudlet(2, length, pesNumber, fileSize, outputSize, utilizationModel, utilizationModel, utilizationModel);
+			cloudlet2.setUserId(brokerId);
+			cloudlet2.setVmId(2);
+			
 
 			// add the cloudlet to the list
 			cloudletList.add(cloudlet);
+			
+			cloudletList.add(cloudlet1);
+			cloudletList.add(cloudlet2);
 
 			// submit cloudlet list to the broker
 			broker.submitCloudletList(cloudletList);

modules/cloudsim-examples/src/main/java/org/cloudbus/cloudsim/examples/power/DVFS.java

@@ -18,6 +18,7 @@ import java.util.Map.Entry;
 
 import org.cloudbus.cloudsim.Cloudlet;
 import org.cloudbus.cloudsim.CloudletSchedulerDynamicWorkload;
+import org.cloudbus.cloudsim.CloudletSchedulerSpaceShared;
 import org.cloudbus.cloudsim.DatacenterBroker;
 import org.cloudbus.cloudsim.DatacenterCharacteristics;
 import org.cloudbus.cloudsim.Log;
@@ -48,9 +49,9 @@ public class DVFS {
 	/** The vm list. */
 	private static List<Vm> vmList;
 
-	private static double hostsNumber = 10;
-	private static double vmsNumber = 20;
-	private static double cloudletsNumber = 20;
+	private static double hostsNumber = 2;
+	private static double vmsNumber = 10;
+	private static double cloudletsNumber = 10;
 
 	/**
 	 * Creates main() to run this example.
@@ -109,7 +110,7 @@ public class DVFS {
 		    int totalTotalRequested = 0;
 		    int totalTotalAllocated = 0;
 		    ArrayList<Double> sla = new ArrayList<Double>();
-		    int numberOfAllocations = 0;
+		    /*int numberOfAllocations = 0;
 			for (Entry<String, List<List<Double>>> entry : datacenter.getUnderAllocatedMips().entrySet()) {
 			    List<List<Double>> underAllocatedMips = entry.getValue();
 			    double totalRequested = 0;
@@ -127,7 +128,7 @@ public class DVFS {
 				}
 			    totalTotalRequested += totalRequested;
 			    totalTotalAllocated += totalAllocated;
-			}
+			}*/
 
 			double averageSla = 0;
 			if (sla.size() > 0) {
@@ -167,7 +168,7 @@ public class DVFS {
 		List<Cloudlet> list = new ArrayList<Cloudlet>();
 
 		long length = 150000; // 10 min on 250 MIPS
-		int pesNumber = 1;
+		int pesNumber = 2;
 		long fileSize = 300;
 		long outputSize = 300;
 
@@ -201,8 +202,7 @@ public class DVFS {
 
 		for (int i = 0; i < vmsNumber; i++) {
 			vms.add(
-				new Vm(i, brokerId, mips[i % mips.length], pesNumber, ram, bw, size, vmm, new CloudletSchedulerDynamicWorkload(mips[i % mips.length], pesNumber))
-			);
+				new Vm(i, brokerId, mips[i % mips.length], pesNumber, ram, bw, size, vmm, new CloudletSchedulerSpaceShared()));
 		}
 
 		return vms;

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/CloudletSchedulerSpaceShared.java

@@ -376,7 +376,6 @@ public class CloudletSchedulerSpaceShared extends CloudletScheduler {
 			for (int i = 0; i < cloudlet.getPesNumber(); i++) {
 				rcl.setMachineAndPeId(0, i);
 			}
-
 			getCloudletExecList().add(rcl);
 			usedPes += cloudlet.getPesNumber();
 		} else {// no enough free PEs: go to the waiting queue

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/Datacenter.java

@@ -471,7 +471,7 @@ public class Datacenter extends SimEntity {
            } else {
         	   data[2] = CloudSimTags.FALSE;
            }
-		   sendNow(vm.getUserId(), CloudSimTags.VM_CREATE_ACK, data);
+		   send(vm.getUserId(), 0.1, CloudSimTags.VM_CREATE_ACK, data);
  	    }
 
  	    if (result) {
@@ -909,7 +909,7 @@ public class Datacenter extends SimEntity {
 	 * @post $none
 	 */
 	protected void updateCloudletProcessing() {
-		//Log.printLine(CloudSim.clock()+": PowerDatacenter #"+this.get_id()+": updating cloudlet processing.......................................");
+		//Log.printLine(CloudSim.clock()+": PowerDatacenter #: updating cloudlet processing.......................................");
 		//if some time passed since last processing
 		if (CloudSim.clock() > this.getLastProcessTime()+0.1) {
 			List<? extends Host> list = getVmAllocationPolicy().getHostList();

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/DatacenterBroker.java

@@ -33,46 +33,44 @@ import org.cloudbus.cloudsim.lists.VmList;
  */
 public class DatacenterBroker extends SimEntity {
 
-	// TODO: remove unnecessary variables
-
 	/** The vm list. */
-	private List<? extends Vm> vmList;
+	protected List<? extends Vm> vmList;
 
 	/** The vms created list. */
-	private List<? extends Vm> vmsCreatedList;
+	protected List<? extends Vm> vmsCreatedList;
 
 	/** The cloudlet list. */
-	private List<? extends Cloudlet> cloudletList;
+	protected List<? extends Cloudlet> cloudletList;
 
 	/** The cloudlet submitted list. */
-	private List<? extends Cloudlet> cloudletSubmittedList;
+	protected List<? extends Cloudlet> cloudletSubmittedList;
 
 	/** The cloudlet received list. */
-	private List<? extends Cloudlet> cloudletReceivedList;
+	protected List<? extends Cloudlet> cloudletReceivedList;
 
 	/** The cloudlets submitted. */
-	private int cloudletsSubmitted;
+	protected int cloudletsSubmitted;
 
 	/** The vms requested. */
-	private int vmsRequested;
+	protected int vmsRequested;
 
 	/** The vms acks. */
-	private int vmsAcks;
+	protected int vmsAcks;
 
 	/** The vms destroyed. */
-	private int vmsDestroyed;
+	protected int vmsDestroyed;
 
 	/** The datacenter ids list. */
-	private List<Integer> datacenterIdsList;
+	protected List<Integer> datacenterIdsList;
 
 	/** The datacenter requested ids list. */
-	private List<Integer> datacenterRequestedIdsList;
+	protected List<Integer> datacenterRequestedIdsList;
 
 	/** The vms to datacenters map. */
-	private Map<Integer, Integer> vmsToDatacentersMap;
+	protected Map<Integer, Integer> vmsToDatacentersMap;
 
 	/** The datacenter characteristics list. */
-	private Map<Integer, DatacenterCharacteristics> datacenterCharacteristicsList;
+	protected Map<Integer, DatacenterCharacteristics> datacenterCharacteristicsList;
 
 
 	/**
@@ -396,7 +394,7 @@ public class DatacenterBroker extends SimEntity {
 	 * @pre $none
 	 * @post $none
 	 */
-	private void finishExecution() {
+	protected void finishExecution() {
 		sendNow(getId(), CloudSimTags.END_OF_SIMULATION);
 	}
 

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/DatacenterCharacteristics.java

@@ -452,7 +452,7 @@ public class DatacenterCharacteristics {
 	 *
 	 * @return the id
 	 */
-	protected int getId() {
+	public int getId() {
 		return id;
 	}
 
@@ -545,7 +545,7 @@ public class DatacenterCharacteristics {
 	 *
 	 * @return the cost per second
 	 */
-	protected double getCostPerSecond() {
+	public double getCostPerSecond() {
 		return costPerSecond;
 	}
 

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/Vm.java

@@ -151,11 +151,11 @@ public class Vm {
 		List<Double> currentRequestedMips = getCloudletScheduler().getCurrentRequestedMips();
 
 		if (isRecentlyCreated()) {
-			boolean mipsIsNull = true;
-			if (CloudSim.clock() > 0) {
-				mipsIsNull = false;
+			//boolean mipsIsNull = true;
+			//if (CloudSim.clock() > 0) {
+				//mipsIsNull = false;
 				setRecentlyCreated(false);
-			}
+			//}
 //			for (double mips : currentRequestedMips) {
 //				if (mips > 0.0) {
 //					mipsIsNull = false;
@@ -165,14 +165,13 @@ public class Vm {
 //			}
 
 			//if (mipsIsNull && isRecentlyCreated()) {
-			if (mipsIsNull) {
+			//if (mipsIsNull) {
 				currentRequestedMips = new ArrayList<Double>();
 				for (int i = 0; i < getPesNumber(); i++) {
 					currentRequestedMips.add(getMips());
 				}
-			}
+			//}
 		}
-
 		return currentRequestedMips;
 	}
 

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/VmAllocationPolicySimple.java

@@ -232,6 +232,12 @@ public class VmAllocationPolicySimple extends VmAllocationPolicy {
 	public boolean allocateHostForVm(Vm vm, Host host) {
 		if (host.vmCreate(vm)) { //if vm has been succesfully created in the host
 			getVmTable().put(vm.getUid(), host);
+			
+			 int requiredPes = vm.getPesNumber();
+		     int idx = getHostList().indexOf(host);
+		     getUsedPes().put(vm.getUid(), requiredPes);
+		     getFreePes().set(idx, getFreePes().get(idx) - requiredPes);
+			
 			Log.formatLine("%.2f: VM #" + vm.getId() + " has been allocated to the host #" + host.getId(), CloudSim.clock());
 			return true;
 		}

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/VmSchedulerSpaceShared.java

@@ -77,7 +77,6 @@ public class VmSchedulerSpaceShared extends VmScheduler {
 		getPeAllocationMap().put(vm.getUid(), selectedPes);
 		getMipsMap().put(vm.getUid(), mipsShare);
 		setAvailableMips(getAvailableMips() - totalMips);
-
 		return true;
 	}
 

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/VmSchedulerTimeShared.java

@@ -89,7 +89,7 @@ public class VmSchedulerTimeShared extends VmScheduler {
 			}
 			totalRequestedMips += mips;
 		}
-		
+
 		if (getVmsMigratingIn().contains(vmUid)) {
 			totalRequestedMips *= 0.1; // performance cost incurred by the destination host = 10% MIPS
 		}
@@ -166,10 +166,12 @@ public class VmSchedulerTimeShared extends VmScheduler {
 		Pe pe = peIterator.next();
 		PeProvisioner peProvisioner = pe.getPeProvisioner();
 		double availableMips = peProvisioner.getAvailableMips();
+
 		for (Map.Entry<String, List<Double>> entry : getMipsMap().entrySet()) {
 			String vmUid = entry.getKey();
 			getPeMap().put(vmUid, new LinkedList<Pe>());
 			for (double mips : entry.getValue()) {
+				System.out.println("=> mips:"+mips);
 				while (mips >= 0.1) {
 					if (availableMips >= mips) {
 						peProvisioner.allocateMipsForVm(vmUid, mips);

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/core/CloudSim.java

@@ -58,7 +58,10 @@ public class CloudSim {
 	private static boolean traceFlag = false;
 
 	/** The calendar. */
-	private static Calendar calendar = null;
+	private static Calendar calendar = null;
+	
+	/** The termination time. */
+	private static long terminateAt = -1;
 
 	/**
 	 * Initialises all the common attributes.
@@ -189,6 +192,34 @@ public class CloudSim {
 					+ "Error - can't stop Cloud Simulation.");
 		}
 	}
+	
+	/**
+	 * This method is called if one wants to terminate the simulation.
+	 *
+	 * @return true, if successful; false otherwise.
+	 */
+	public static boolean terminateSimulation() {
+		running = false;
+		printMessage("Simulation: Reached termination time.");
+		return true;
+	}
+
+	/**
+	 * This method is called if one wants to terminate the simulation at a 
+	 * given time.
+	 *
+	 * @param time the time at which the simulation has to be terminated
+	 * @return true, if successful
+	 * otherwise.
+	 */
+	public static boolean terminateSimulation(long time) {
+		if (time <= clock) {
+			return false;
+		} else {
+			terminateAt = time;
+		}
+		return true;
+	}
 
 	/**
 	 * Gets a new copy of initial simulation Calendar.
@@ -830,6 +861,13 @@ public class CloudSim {
 			if (runClockTick() || abruptTerminate) {
 				break;
 			}
+			
+			//this block allows termination of simulation at a specific time
+			if (terminateAt != -1 && clock >= terminateAt) {
+				terminateSimulation();
+				clock = terminateAt;
+				break;
+			}
 
 			if (pauseAt != -1 && ((future.size() > 0 && clock <= pauseAt && pauseAt <= future.iterator().next().eventTime()) || future.size() == 0 && pauseAt <= clock)) {
 				pauseSimulation();

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/core/CloudSimTags.java

@@ -20,7 +20,7 @@ package org.cloudbus.cloudsim.core;
  * @author		Anthony Sulistio
  * @since		CloudSim Toolkit 1.0
  */
-public final class CloudSimTags {
+public class CloudSimTags {
     // starting constant value for cloud-related tags
     private static final int BASE = 0;
 
@@ -388,6 +388,17 @@ public final class CloudSimTags {
      * Denotes an internal event generated in a Broker
      */
     public static final int VM_BROKER_EVENT = BASE + 42;
+    
+    public static final int Network_Event_UP=BASE+43;
+    public static final int Network_Event_send=BASE+44;
+
+	public static final int RESOURCE_Register = BASE+45;
+
+	public static final int Network_Event_DOWN = BASE+46;
+
+	public static final int Network_Event_Host = BASE+47;
+
+	public static final int NextCycle = BASE+48;
 
 
 //    /////////////////////////////////////////////////////////////

modules/cloudsim/src/main/java/org/cloudbus/cloudsim/provisioners/PeProvisionerSimple.java

@@ -68,6 +68,8 @@ public class PeProvisionerSimple extends PeProvisioner {
 
 		setAvailableMips(getAvailableMips() - mips);
 		getPeTable().put(vmUid, allocatedMips);
+System.out.print("MIPS allocated for vm "+vmUid+" :");
+for (double m:allocatedMips) System.out.print(" "+m+" "); System.out.println();
 
 		return true;
 	}