Java Log.formatLine方法代码示例

import org.cloudbus.cloudsim.Log; //导入方法依赖的package包/类
@Override
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.getNumberOfPes();
		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;
	}

	return false;
}
 

import org.cloudbus.cloudsim.Log; //导入方法依赖的package包/类
@Override
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);
		createdVmNum++;
		
		Log.formatLine("%.2f: VM #" + vm.getId() + " has been allocated to the host #" + host.getId(),CloudSim.clock());
		return true;
	}

	return false;
}
 

import org.cloudbus.cloudsim.Log; //导入方法依赖的package包/类
@Override
public boolean allocateHostForVm(Vm vm, Host host) {
	if (host == null) {
		Log.formatLine("%.2f: No suitable host found for VM #" + vm.getId() + "\n", CloudSim.clock());
		return false;
	}
	if (host.vmCreate(vm)) { // if vm has been succesfully created in the host
		getVmTable().put(vm.getUid(), host);
		Log.formatLine(
				"%.2f: VM #" + vm.getId() + " has been allocated to the host #" + host.getId(),
				CloudSim.clock());
		return true;
	}
	Log.formatLine(
			"%.2f: Creation of VM #" + vm.getId() + " on the host #" + host.getId() + " failed\n",
			CloudSim.clock());
	return false;
}
 

import org.cloudbus.cloudsim.Log; //导入方法依赖的package包/类
@Override
	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);
			reserveResource(host, (SDNVm) vm);
			
//			int requiredPes = vm.getNumberOfPes();
//			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());
			
			logMaxNumHostsUsed();
			return true;
		}

		return false;
	}
 

import org.cloudbus.cloudsim.Log; //导入方法依赖的package包/类
@Override
public boolean allocateHostForVm(Vm vm, Host host) {
	if (host == null) {
		Log.formatLine("%.2f: No suitable host found for VM #" + vm.getId() + "\n", CloudSim.clock());
		return false;
	}//在host中创建虚拟机
	if (host.vmCreate(vm)) { // if vm has been succesfully created in the host
		getVmTable().put(vm.getUid(), host);
		Log.formatLine(
				"%.2f: VM #" + vm.getId() + " has been allocated to the host #" + host.getId(),
				CloudSim.clock());
		return true;
	}
	Log.formatLine(
			"%.2f: Creation of VM #" + vm.getId() + " on the host #" + host.getId() + " failed\n",
			CloudSim.clock());
	return false;
}
 

import org.cloudbus.cloudsim.Log; //导入方法依赖的package包/类
/**
 * Processes a "Cloudlet Files Done" Event.
 * 
 * @param ev
 *            the SimEvent
 */
protected void processCloudletFilesDone(SimEvent ev) {

	// Retrieves data from the ev
	Object[] data = (Object[]) ev.getData();
	String action = (String) data[0];
	Cloudlet cl = (Cloudlet) data[1];
	File tempFile = (File) data[2];
	double transTime = (double) data[3];
	MyHarddriveStorage storage = (MyHarddriveStorage) data[4];
	double waitingTime = (double) data[5];

	// store results/information
	WriteToResultFile.AddValueToSheetTab(waitingTime, cl.getCloudletId(), 2);
	WriteToResultFile.AddValueToSheetTab(transTime, cl.getCloudletId(), 3);
	WriteToResultFile.AddValueToSheetTab(CloudSim.clock(), cl.getCloudletId(), 7);
	WriteToResultFile.AddValueToSheetTab(tempFile.getName(), cl.getCloudletId(), 8);
	WriteToResultFile.AddValueToSheetTab(tempFile.getSize(), cl.getCloudletId(), 9);

	// Print out confirmation that Files have been handled
	Log.formatLine("\n%.6f: %s: Cloudlet # %d: <%s> %s on %s.", CloudSim.clock(), getName(), cl.getCloudletId(),
			tempFile.getName(), action, storage.getName());
	Log.formatLine("%10s Queue Waiting time of %9.6f Seconds(s).", "", waitingTime);
	Log.formatLine("%10s Transaction time   of %9.6f Seconde(s).", "", transTime);
	Log.printLine();

	// handle queue
	storage.setQueueLength(storage.getQueueLength() - 1);

	// Test if there is further operation on the disk
	if (storage.getActiveEndAt() <= CloudSim.clock()) {
		storage.setMode(0); // switch to idle mode
		storage.setActiveEndAt(0.0); // reset EndAt time
	}
}
 

import org.cloudbus.cloudsim.Log; //导入方法依赖的package包/类
/**
 * Updates processing of each cloudlet running in this PowerDatacenter. It is necessary because
 * Hosts and VirtualMachines are simple objects, not entities. So, they don't receive events and
 * updating cloudlets inside them must be called from the outside.
 * 
 * @pre $none
 * @post $none
 */
@Override
protected void updateCloudletProcessing() {
	if (getCloudletSubmitted() == -1 || getCloudletSubmitted() == CloudSim.clock()) {
		CloudSim.cancelAll(getId(), new PredicateType(CloudSimTags.VM_DATACENTER_EVENT));
		schedule(getId(), getSchedulingInterval(), CloudSimTags.VM_DATACENTER_EVENT);
		return;
	}
	
	double currentTime = CloudSim.clock();

	// if some time passed since last processing
	if (currentTime > getLastProcessTime()) {
		
		double minTime = updateCloudetProcessingWithoutSchedulingFutureEventsForce();
		if (!isDisableMigrations()) {
			List<Map<String, Object>> migrationMap = getVmAllocationPolicy().optimizeAllocation(
					getVmList());

			if (migrationMap != null) {
				for (Map<String, Object> migrate : migrationMap) {
					Vm vm = (Vm) migrate.get("vm");
					PowerHost targetHost = (PowerHost) migrate.get("host");
					PowerHost oldHost = (PowerHost) vm.getHost();

					if (oldHost == null) {
						Log.formatLine(
								"%.2f: Migration of VM #%d to Host #%d is started",
								currentTime,
								vm.getId(),
								targetHost.getId());
					} else {
						Log.formatLine(
								"%.2f: Migration of VM #%d from Host #%d to Host #%d is started",
								currentTime,
								vm.getId(),
								oldHost.getId(),
								targetHost.getId());
					}

					targetHost.addMigratingInVm(vm);
					incrementMigrationCount();

					/** VM migration delay = RAM / bandwidth **/
					// we use BW / 2 to model BW available for migration purposes, the other
					// half of BW is for VM communication
					// around 16 seconds for 1024 MB using 1 Gbit/s network
					send(
							getId(),
							vm.getRam() / ((double) targetHost.getBw() / (2 * 8000)),
							CloudSimTags.VM_MIGRATE,
							migrate);
				}
			}
		}

		// schedules an event to the next time
		if (minTime != Double.MAX_VALUE) {
			CloudSim.cancelAll(getId(), new PredicateType(CloudSimTags.VM_DATACENTER_EVENT));
			send(getId(), getSchedulingInterval(), CloudSimTags.VM_DATACENTER_EVENT);
		}

		setLastProcessTime(currentTime);
	}
}
 

import org.cloudbus.cloudsim.Log; //导入方法依赖的package包/类
/**
 * Updates processing of each cloudlet running in this PowerDatacenter. It is necessary because
 * Hosts and VirtualMachines are simple objects, not entities. So, they don't receive events and
 * updating cloudlets inside them must be called from the outside.
 * 
 * @pre $none
 * @post $none
 */
@Override
protected void updateCloudletProcessing() {
	if (getCloudletSubmitted() == -1 || getCloudletSubmitted() == CloudSim.clock()) {
		CloudSim.cancelAll(getId(), new PredicateType(CloudSimTags.VM_DATACENTER_EVENT));
		schedule(getId(), getSchedulingInterval(), CloudSimTags.VM_DATACENTER_EVENT);
		return;
	}
	double currentTime = CloudSim.clock();

	// if some time passed since last processing
	if (currentTime > getLastProcessTime()) {
		System.out.print(currentTime + " ");

		double minTime = updateCloudetProcessingWithoutSchedulingFutureEventsForce();

		if (!isDisableMigrations()) {
			List<Map<String, Object>> migrationMap = getVmAllocationPolicy().optimizeAllocation(
					getVmList());

			if (migrationMap != null) {
				for (Map<String, Object> migrate : migrationMap) {
					Vm vm = (Vm) migrate.get("vm");
					PowerHost targetHost = (PowerHost) migrate.get("host");
					PowerHost oldHost = (PowerHost) vm.getHost();

					if (oldHost == null) {
						Log.formatLine(
								"%.2f: Migration of VM #%d to Host #%d is started",
								currentTime,
								vm.getId(),
								targetHost.getId());
					} else {
						Log.formatLine(
								"%.2f: Migration of VM #%d from Host #%d to Host #%d is started",
								currentTime,
								vm.getId(),
								oldHost.getId(),
								targetHost.getId());
					}

					targetHost.addMigratingInVm(vm);
					incrementMigrationCount();

					/** VM migration delay = RAM / bandwidth **/
					// we use BW / 2 to model BW available for migration purposes, the other
					// half of BW is for VM communication
					// around 16 seconds for 1024 MB using 1 Gbit/s network
					send(
							getId(),
							vm.getRam() / ((double) targetHost.getBw() / (2 * 8000)),
							CloudSimTags.VM_MIGRATE,
							migrate);
				}
			}
		}

		// schedules an event to the next time
		if (minTime != Double.MAX_VALUE) {
			CloudSim.cancelAll(getId(), new PredicateType(CloudSimTags.VM_DATACENTER_EVENT));
			send(getId(), getSchedulingInterval(), CloudSimTags.VM_DATACENTER_EVENT);
		}

		setLastProcessTime(currentTime);
	}
}
 

import org.cloudbus.cloudsim.Log; //导入方法依赖的package包/类
@Override
protected void processCloudletFilesDone(SimEvent ev) {

	// Retrieves data from the ev
	Object[] data = (Object[]) ev.getData();
	String action = (String) data[0];
	Cloudlet cl = (Cloudlet) data[1];
	File tempFile = (File) data[2];
	double tempPower = (double) data[3];
	double transTime = (double) data[4];
	double tempEnergy = (double) data[5];
	MyPowerHarddriveStorage storage = (MyPowerHarddriveStorage) data[6];
	double waitingTime = (double) data[7];

	// store results/information
	WriteToResultFile.AddValueToSheetTab(waitingTime, cl.getCloudletId(), 2);
	WriteToResultFile.AddValueToSheetTab(transTime, cl.getCloudletId(), 3);
	WriteToResultFile.AddValueToSheetTab(CloudSim.clock(), cl.getCloudletId(), 7);
	WriteToResultFile.AddValueToSheetTab(tempFile.getName(), cl.getCloudletId(), 8);
	WriteToResultFile.AddValueToSheetTab(tempFile.getSize(), cl.getCloudletId(), 9);
	WriteToResultFile.AddValueToSheetTab(tempEnergy, cl.getCloudletId(), 12);

	// Print out confirmation that Files have been handled
	Log.formatLine("\n%.6f: %s: Cloudlet # %d: <%s> %s on %s.", CloudSim.clock(), getName(), cl.getCloudletId(),
			tempFile.getName(), action, storage.getName());
	Log.formatLine("%10s Power  consumption of %6.3f Watt(s).", "", tempPower);
	Log.formatLine("%10s Queue Waiting time of %9.6f Seconds(s).", "", waitingTime);
	Log.formatLine("%10s Transaction time   of %9.6f Seconde(s).", "", transTime);
	Log.formatLine("%10s Energy consumption of %6.3f Joule(s).", "", tempEnergy);
	Log.printLine();

	// handle queue
	storage.setQueueLength(storage.getQueueLength() - 1);

	// if there is no further operation on the disk
	if (storage.getActiveEndAt() <= CloudSim.clock()) {
		storage.setMode(0); // switch to idle mode
		storage.setLastIdleStartTime(CloudSim.clock()); // handle Idle intervals
		storage.setActiveEndAt(0.0); // reset EndAt time
	}
}
 

import org.cloudbus.cloudsim.Log; //导入方法依赖的package包/类
public void startMigrate() {
		if (isMigrateEnabled) {
			//Log.printLine(CloudSim.clock()+": Migration started..");

			List<Map<String, Object>> migrationMap = getVmAllocationPolicy().optimizeAllocation(
					getVmList());

			if (migrationMap != null && migrationMap.size() > 0) {

				migrationAttempted += migrationMap.size();
				
				// Process cloudlets before migration because cloudlets are processed during migration process..
				updateCloudletProcessing();
				checkCloudletCompletion();

				for (Map<String, Object> migrate : migrationMap) {
					Vm vm = (Vm) migrate.get("vm");
					Host targetHost = (Host) migrate.get("host");
//					Host oldHost = vm.getHost();
					
					Log.formatLine(
							"%.2f: Migration of %s to %s is started",
							CloudSim.clock(),
							vm,
							targetHost);
					
					targetHost.addMigratingInVm(vm);


					/** VM migration delay = RAM / bandwidth **/
					// we use BW / 2 to model BW available for migration purposes, the other
					// half of BW is for VM communication
					// around 16 seconds for 1024 MB using 1 Gbit/s network
					send(
							getId(),
							vm.getRam() / ((double) targetHost.getBw() / (2 * 8000)),
							CloudSimTags.VM_MIGRATE,
							migrate);
				}
			}
			else {
				//Log.printLine(CloudSim.clock()+": No VM to migrate");
			}
		}		
	}
 

import org.cloudbus.cloudsim.Log; //导入方法依赖的package包/类
/**
 * Updates processing of each cloudlet running in this PowerDatacenter. It is necessary because
 * Hosts and VirtualMachines are simple objects, not entities. So, they don't receive events and
 * updating cloudlets inside them must be called from the outside.
 * 
 * @pre $none
 * @post $none
 */
@Override
protected void updateCloudletProcessing() {
	if (getCloudletSubmitted() == -1 || getCloudletSubmitted() == CloudSim.clock()) {
		CloudSim.cancelAll(getId(), new PredicateType(CloudSimTags.VM_DATACENTER_EVENT));
		schedule(getId(), getSchedulingInterval(), CloudSimTags.VM_DATACENTER_EVENT);
		return;
	}
	double currentTime = CloudSim.clock();

	// if some time passed since last processing
	if (currentTime > getLastProcessTime()) {
		System.out.print(currentTime + " ");

		double minTime = updateCloudetProcessingWithoutSchedulingFutureEventsForce();

		if (!isDisableMigrations()) {//如果数据中心可以执行虚拟机迁移
			List<Map<String, Object>> migrationMap = getVmAllocationPolicy().optimizeAllocation(
					getVmList());

			if (migrationMap != null) {
				for (Map<String, Object> migrate : migrationMap) {
					Vm vm = (Vm) migrate.get("vm");
					PowerHost targetHost = (PowerHost) migrate.get("host");
					PowerHost oldHost = (PowerHost) vm.getHost();

					if (oldHost == null) {
						Log.formatLine(
								"%.2f: Migration of VM #%d to Host #%d is started",
								currentTime,
								vm.getId(),
								targetHost.getId());
					} else {
						Log.formatLine(
								"%.2f: Migration of VM #%d from Host #%d to Host #%d is started",
								currentTime,
								vm.getId(),
								oldHost.getId(),
								targetHost.getId());
					}

					targetHost.addMigratingInVm(vm);
					incrementMigrationCount();

					/** VM migration delay = RAM / bandwidth **/
					// we use BW / 2 to model BW available for migration purposes, the other
					// half of BW is for VM communication
					// around 16 seconds for 1024 MB using 1 Gbit/s network
					send(
							getId(),
							vm.getRam() / ((double) targetHost.getBw() / (2 * 8000)),
							CloudSimTags.VM_MIGRATE,
							migrate);
				}
			}
		}

		// 进行下一次调度 schedules an event to the next time
		if (minTime != Double.MAX_VALUE) {
			CloudSim.cancelAll(getId(), new PredicateType(CloudSimTags.VM_DATACENTER_EVENT));
			send(getId(), getSchedulingInterval(), CloudSimTags.VM_DATACENTER_EVENT);
		}

		setLastProcessTime(currentTime);
	}
}