Examples with OperatingSystemMXBean java.lang.management.OperatingSystemMXBean used on opensource projects

Example 21 with OperatingSystemMXBean

use of java.lang.management.OperatingSystemMXBean in project openj9 by eclipse.

the class TestManagementFactory method testExtOperatingSystemMXBeanProxyIsNotificationEmitter.

/**
 * For IBM extension on the OperatingSystemMXBean type
 */
@Test
public void testExtOperatingSystemMXBeanProxyIsNotificationEmitter() {
    try {
        com.ibm.lang.management.OperatingSystemMXBean proxy = ManagementFactory.newPlatformMXBeanProxy(ManagementFactory.getPlatformMBeanServer(), "java.lang:type=OperatingSystem", getOperatingSystemInterface());
        OperatingSystemMXBean stdProxy = proxy;
        AssertJUnit.assertNotNull(stdProxy);
        AssertJUnit.assertFalse(proxy instanceof com.ibm.lang.management.internal.ExtendedOperatingSystemMXBeanImpl);
        AssertJUnit.assertTrue(proxy instanceof NotificationEmitter);
    } catch (IOException e) {
        Assert.fail("Unexpected IOException : " + e.getMessage());
        e.printStackTrace();
    }
}

Example 22 with OperatingSystemMXBean

use of java.lang.management.OperatingSystemMXBean in project openj9 by eclipse.

the class TestManagementFactory method testExtOperatingSystemMXBeanProxyDoesRemoveListeners.

/**
 * For IBM extensions on the OperatingSystemMXBean
 */
@Test
public void testExtOperatingSystemMXBeanProxyDoesRemoveListeners() {
    try {
        com.ibm.lang.management.OperatingSystemMXBean proxy = ManagementFactory.newPlatformMXBeanProxy(ManagementFactory.getPlatformMBeanServer(), "java.lang:type=OperatingSystem", getOperatingSystemInterface());
        OperatingSystemMXBean stdProxy = proxy;
        AssertJUnit.assertNotNull(stdProxy);
        AssertJUnit.assertFalse(proxy instanceof com.ibm.lang.management.internal.ExtendedOperatingSystemMXBeanImpl);
        AssertJUnit.assertTrue(proxy instanceof NotificationEmitter);
        NotificationEmitter proxyEmitter = (NotificationEmitter) proxy;
        MyTestListener listener = new MyTestListener();
        proxyEmitter.addNotificationListener(listener, null, null);
        // Fire off a notification and ensure that the listener receives it.
        try {
            ProcessingCapacityNotificationInfo info = new ProcessingCapacityNotificationInfo(240);
            CompositeData cd = TestUtil.toCompositeData(info);
            Notification notification = new Notification(ProcessingCapacityNotificationInfo.PROCESSING_CAPACITY_CHANGE, new ObjectName(ManagementFactory.OPERATING_SYSTEM_MXBEAN_NAME), 12);
            notification.setUserData(cd);
            ((ExtendedOperatingSystemMXBeanImpl) (ManagementFactory.getOperatingSystemMXBean())).sendNotification(notification);
            AssertJUnit.assertEquals(1, listener.getNotificationsReceivedCount());
            // Verify the user data of the notification.
            Notification n = listener.getNotification();
            AssertJUnit.assertNotNull(n);
            verifyProcessingCapacityNotificationUserData(n.getUserData());
            // Remove the listener
            proxyEmitter.removeNotificationListener(listener);
            // Fire off a notification and ensure that the listener does
            // *not* receive it.
            listener.resetNotificationsReceivedCount();
            notification = new Notification(ProcessingCapacityNotificationInfo.PROCESSING_CAPACITY_CHANGE, new ObjectName(ManagementFactory.OPERATING_SYSTEM_MXBEAN_NAME), 13);
            notification.setUserData(cd);
            ((ExtendedOperatingSystemMXBeanImpl) (ManagementFactory.getOperatingSystemMXBean())).sendNotification(notification);
            AssertJUnit.assertEquals(0, listener.getNotificationsReceivedCount());
            // ListenerNotFoundException being thrown.
            try {
                proxyEmitter.removeNotificationListener(listener);
                Assert.fail("Should have thrown a ListenerNotFoundException!");
            } catch (ListenerNotFoundException e) {
                logger.debug("ListenerNotFoundException occurred, as expected: " + e.getMessage());
            }
        } catch (MalformedObjectNameException e) {
            Assert.fail("Unexpected MalformedObjectNameException : " + e.getMessage());
            e.printStackTrace();
        }
    } catch (ListenerNotFoundException e) {
        Assert.fail("Unexpected ListenerNotFoundException : " + e.getMessage());
        e.printStackTrace();
    } catch (IOException e) {
        Assert.fail("Unexpected IOException : " + e.getMessage());
        e.printStackTrace();
    }
}

Example 23 with OperatingSystemMXBean

use of java.lang.management.OperatingSystemMXBean in project openj9 by eclipse.

the class TestManagementFactory method testExtOperatingSystemMXBeanProxyEmitsNotifications.

/**
 * For IBM extension on the OperatingSystemMXBean
 */
@Test
public void testExtOperatingSystemMXBeanProxyEmitsNotifications() {
    try {
        com.ibm.lang.management.OperatingSystemMXBean proxy = ManagementFactory.newPlatformMXBeanProxy(ManagementFactory.getPlatformMBeanServer(), "java.lang:type=OperatingSystem", getOperatingSystemInterface());
        OperatingSystemMXBean stdProxy = proxy;
        AssertJUnit.assertNotNull(stdProxy);
        AssertJUnit.assertFalse(proxy instanceof com.ibm.lang.management.internal.ExtendedOperatingSystemMXBeanImpl);
        AssertJUnit.assertTrue(proxy instanceof NotificationEmitter);
        NotificationEmitter proxyEmitter = (NotificationEmitter) proxy;
        // Add a listener with a handback object.
        MyTestListener listener = new MyTestListener();
        ArrayList<String> arr = new ArrayList<>();
        arr.add("Save your money for the children.");
        proxyEmitter.addNotificationListener(listener, null, arr);
        // Fire off a notification and ensure that the listener receives it.
        try {
            ProcessingCapacityNotificationInfo info = new ProcessingCapacityNotificationInfo(24);
            CompositeData cd = TestUtil.toCompositeData(info);
            Notification notification = new Notification(ProcessingCapacityNotificationInfo.PROCESSING_CAPACITY_CHANGE, new ObjectName(ManagementFactory.OPERATING_SYSTEM_MXBEAN_NAME), 12);
            notification.setUserData(cd);
            ((ExtendedOperatingSystemMXBeanImpl) (ManagementFactory.getOperatingSystemMXBean())).sendNotification(notification);
            AssertJUnit.assertEquals(1, listener.getNotificationsReceivedCount());
            // Verify that the handback is as expected.
            AssertJUnit.assertNotNull(listener.getHandback());
            AssertJUnit.assertSame(arr, listener.getHandback());
            ArrayList<?> arr2 = (ArrayList<?>) listener.getHandback();
            AssertJUnit.assertEquals(1, arr2.size());
            AssertJUnit.assertEquals("Save your money for the children.", arr2.get(0));
        } catch (MalformedObjectNameException e) {
            Assert.fail("Unexpected MalformedObjectNameException : " + e.getMessage());
            e.printStackTrace();
        }
    } catch (IOException e) {
        Assert.fail("Unexpected IOException : " + e.getMessage());
        e.printStackTrace();
    }
}

Example 24 with OperatingSystemMXBean

use of java.lang.management.OperatingSystemMXBean in project ma-modules-public by infiniteautomation.

the class ServerRestController method getSystemInfo.

@ApiOperation(value = "System Info", notes = "Provides disk use, db sizes and point, event counts", response = Map.class)
@RequestMapping(method = RequestMethod.GET, produces = { "application/json" }, value = "/system-info")
public ResponseEntity<SystemInfoModel> getSystemInfo(HttpServletRequest request) {
    RestProcessResult<SystemInfoModel> result = new RestProcessResult<SystemInfoModel>(HttpStatus.OK);
    User user = this.checkUser(request, result);
    if (result.isOk()) {
        if (user.isAdmin()) {
            SystemInfoModel model = new SystemInfoModel();
            // Database size
            model.setSqlDbSizeBytes(Common.databaseProxy.getDatabaseSizeInBytes());
            // Do we have any NoSQL Data
            if (Common.databaseProxy.getNoSQLProxy() != null) {
                String pointValueStoreName = Common.envProps.getString("db.nosql.pointValueStoreName", "mangoTSDB");
                model.setNoSqlDbSizeBytes(Common.databaseProxy.getNoSQLProxy().getDatabaseSizeInBytes(pointValueStoreName));
            }
            // Filedata data
            DirectoryInfo fileDatainfo = DirectoryUtils.getSize(new File(Common.getFiledataPath()));
            model.setFileDataSizeBytes(fileDatainfo.getSize());
            // Point history counts.
            model.setTopPoints(DataPointDao.instance.getTopPointHistoryCounts());
            model.setEventCount(EventDao.instance.getEventCount());
            // Disk Info
            FileSystem fs = FileSystems.getDefault();
            List<DiskInfoModel> disks = new ArrayList<DiskInfoModel>();
            model.setDisks(disks);
            for (Path root : fs.getRootDirectories()) {
                try {
                    FileStore store = Files.getFileStore(root);
                    DiskInfoModel disk = new DiskInfoModel();
                    disk.setName(root.getRoot().toString());
                    disk.setTotalSpaceBytes(store.getTotalSpace());
                    disk.setUsableSpaceBytes(store.getUsableSpace());
                    disks.add(disk);
                } catch (IOException e) {
                }
            }
            // CPU Info
            OperatingSystemMXBean osBean = ManagementFactory.getOperatingSystemMXBean();
            model.setLoadAverage(osBean.getSystemLoadAverage());
            // OS Info
            model.setArchitecture(osBean.getArch());
            model.setOperatingSystem(osBean.getName());
            model.setOsVersion(osBean.getVersion());
            return result.createResponseEntity(model);
        } else {
            result.addRestMessage(HttpStatus.UNAUTHORIZED, new TranslatableMessage("common.default", "User not admin"));
        }
    }
    return result.createResponseEntity();
}

Example 25 with OperatingSystemMXBean

use of java.lang.management.OperatingSystemMXBean in project commons by craftercms.

the class VersionMonitor method initOS.

private void initOS() {
    OperatingSystemMXBean os = ManagementFactory.getOperatingSystemMXBean();
    operating_system = os.getName() + "-" + os.getVersion();
    os_architecture = os.getArch();
    system_encoding = System.getProperty(FILE_ENCODING_SYSTEM_PROP_KEY);
}