Example usage for java.lang.management ManagementPermission ManagementPermission

List of usage examples for java.lang.management ManagementPermission ManagementPermission

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Introduction

In this page you can find the example usage for java.lang.management ManagementPermission ManagementPermission.

Prototype

public ManagementPermission(String name)

Source Link

Document

Constructs a ManagementPermission with the specified name.

Usage

From source file:org.wso2.carbon.core.init.CarbonServerManager.java

/**
 * Start the CarbonServerManager/*  w w  w  . j  a  va2s  . co m*/
 *
 * @param context The CarbonCore BundleContext
 */
public void start(BundleContext context) {
    // Need permissions in order to instantiate CarbonServerManager
    SecurityManager secMan = System.getSecurityManager();
    if (secMan != null) {
        secMan.checkPermission(new ManagementPermission("control"));
        new Timer("JavaSecPolicyUpdateTimer").scheduleAtFixedRate(new TimerTask() {
            public void run() {
                java.security.Policy.getPolicy().refresh();
            }
        }, 120000, 5000);
    }

    if (System.getProperty(CarbonConstants.START_TIME) == null) {
        System.setProperty(CarbonConstants.START_TIME, System.currentTimeMillis() + "");
    }

    this.bundleContext = context;

    //Initializing ConfigItem Listener - Modules and Deployers
    configItemListener = new PreAxis2ConfigItemListener(bundleContext, this);

    //Initializing Required OSGi service listener
    requiredServiceListener = new PreAxis2RequiredServiceListener(bundleContext, this);

    osgiAxis2ServicesListener = new OSGiAxis2ServicesListener(bundleContext, this);

    populateListeners();

    if (configItemListener.registerBundleListener()) {
        configItemListener.start();
    }

    if (requiredServiceListener.registerServiceListener()) {
        requiredServiceListener.start();
    }

    if (osgiAxis2ServicesListener.registerBundleListener()) {
        osgiAxis2ServicesListener.start();
    }

    //check whether pending list is empty, If so initialize Carbon
    if (pendingItemMap.isEmpty()) {
        initializeCarbon();
    } else {
        //Scheduling timer to run if the required items are being delayed.
        timer.scheduleAtFixedRate(new TimerTask() {
            public void run() {
                try {
                    if (!pendingItemMap.isEmpty()) {
                        log.warn("Carbon initialization is delayed due to the following unsatisfied items:");
                        for (String configItem : pendingItemMap.keySet()) {
                            log.warn("Waiting for required " + pendingItemMap.get(configItem) + ": "
                                    + configItem);
                        }
                    }
                } catch (Exception ignored) {
                }
            }
        }, 60000, 60000);
    }
}

From source file:org.wso2.carbon.core.init.CarbonServerManager.java

/**
 * Restart the Carbon server/*from ww w . j  a va2s  .  c  o m*/
 *
 * @param isGraceful True, if the server should be gracefully restarted, false, if a
 *                   restart should be forced
 */
private void restart(boolean isGraceful) {
    createSuperTenantCarbonContext();
    SecurityManager secMan = System.getSecurityManager();
    if (secMan != null) {
        secMan.checkPermission(new ManagementPermission("control"));
    }
    Runtime.getRuntime().removeShutdownHook(shutdownHook);
    new JMXServerManager().stopJmxService();

    try {
        ServerStatus.setServerRestarting();

        Map<String, TransportInDescription> inTransports = serverConfigContext.getAxisConfiguration()
                .getTransportsIn();

        if (isGraceful) {
            log.info("Gracefully restarting " + serverName + "...");
            new ServerManagement(inTransports, serverConfigContext).startMaintenanceForShutDown();
        } else {
            log.info("Restarting " + serverName + "...");
        }
        try {
            ServerStatus.setServerRestarting();
        } catch (AxisFault e) {
            String msg = "Cannot set server to restarting mode";
            log.error(msg, e);
        }
        MBeanRegistrar.unregisterAllMBeans();
        CarbonContextHolderBase.unloadTenant(MultitenantConstants.SUPER_TENANT_ID);
        ClusteringAgent clusteringAgent = serverConfigContext.getAxisConfiguration().getClusteringAgent();
        if (clusteringAgent != null) {
            clusteringAgent.stop();
        }
        if (!CarbonUtils.isRunningInStandaloneMode()) {
            long waitFor = 5;
            log.info("Waiting for " + waitFor + " sec before initiating restart");
            Thread.sleep(waitFor * 1000); // The H2 DB connections do not get closed if this is not done
        }

        new Thread(new Runnable() {
            public void run() {
                log.info("Starting a new Carbon instance. Current instance will be shutdown");
                log.info("Halting JVM");
                System.exit(121);

                //                    if (System.getProperty("wrapper.key") != null) { // If Carbon was started using wrapper
                //                        WrapperManager.restart();
                //                    } else {  // If carbon was started using wso2server.sh/.bat
                //                        System.exit(121);
                //                    }
            }
        }).start();
    } catch (Exception e) {
        String msg = "Cannot set server to restarting mode";
        log.error(msg, e);
    }
}

From source file:org.wso2.carbon.core.init.CarbonServerManager.java

/**
 * Forced shutdown/*w  ww  .j  ava  2s. c o  m*/
 */
public void shutdown() {
    createSuperTenantCarbonContext();
    SecurityManager secMan = System.getSecurityManager();
    if (secMan != null) {
        secMan.checkPermission(new ManagementPermission("control"));
    }
    log.info("Shutting down " + serverName + "...");
    if (!isShutdownTriggeredByShutdownHook) {
        Runtime.getRuntime().removeShutdownHook(shutdownHook);
    }
    try {
        try {
            ServerStatus.setServerShuttingDown();
        } catch (AxisFault e) {
            String msg = "Cannot set server to shutdown mode";
            log.error(msg, e);
        }
        CarbonCoreServiceComponent.shutdown();
        //            stopListenerManager();
        new JMXServerManager().stopJmxService();
        log.info("Shutting down OSGi framework...");
        EclipseStarter.shutdown();
        log.info("Shutdown complete");
        log.info("Halting JVM");
        if (!isShutdownTriggeredByShutdownHook) {
            System.exit(0);
        }
    } catch (Exception e) {
        log.error("Error occurred while shutting down " + serverName, e);
        if (!isShutdownTriggeredByShutdownHook) {
            System.exit(1);
        }
    }
}

From source file:org.wso2.carbon.core.internal.CarbonCoreActivator.java

public void start(BundleContext context) throws Exception {
    // Need permissions in order to activate Carbon Core
    SecurityManager secMan = System.getSecurityManager();
    if (secMan != null) {
        secMan.checkPermission(new ManagementPermission("control"));
    }// w w  w .  j a va 2  s .  c o  m
    // We assume it's super tenant during the deployment time
    PrivilegedCarbonContext privilegedCarbonContext = PrivilegedCarbonContext.getThreadLocalCarbonContext();
    privilegedCarbonContext.setTenantDomain(MultitenantConstants.SUPER_TENANT_DOMAIN_NAME);
    privilegedCarbonContext.setTenantId(MultitenantConstants.SUPER_TENANT_ID);

    dataHolder.setBundleContext(context);
    log.info("Starting WSO2 Carbon...");
    log.info("Operating System : " + System.getProperty("os.name") + " " + System.getProperty("os.version")
            + ", " + System.getProperty("os.arch"));
    log.info("Java Home        : " + System.getProperty("java.home"));
    log.info("Java Version     : " + System.getProperty("java.version"));
    log.info("Java VM          : " + System.getProperty("java.vm.name") + " "
            + System.getProperty("java.vm.version") + "," + System.getProperty("java.vendor"));

    String carbonHome;
    if ((carbonHome = System.getProperty("carbon.home")).equals(".")) {
        carbonHome = new File(".").getAbsolutePath();
    }

    log.info("Carbon Home      : " + carbonHome);
    log.info("Java Temp Dir    : " + System.getProperty("java.io.tmpdir"));
    log.info(
            "User             : " + System.getProperty("user.name") + ", " + System.getProperty("user.language")
                    + "-" + System.getProperty("user.country") + ", " + System.getProperty("user.timezone"));

    Security.addProvider(new BouncyCastleProvider());
    if (log.isDebugEnabled()) {
        log.debug("BouncyCastle security provider is successfully registered in JVM.");
    }
}

From source file:org.wso2.carbon.core.ServerManagement.java

/**
 * Method to switch a node to maintenance mode.
 * <p/>//from   w  ww.j av a2s  . com
 * Here is the sequence of events:
 * <p/>
 * <ol>
 * <li>Client calls this method</li>
 * <li>The server stops accepting new requests/connections, but continues to stay alive so
 * that old requests & connections can be served</li>
 * <li>Once all requests have been processed, the method returns</li
 * </ol>
 * @throws Exception - on errors while starting maintenance
 */
public void startMaintenance() throws Exception {
    SecurityManager secMan = System.getSecurityManager();
    if (secMan != null) {
        secMan.checkPermission(new ManagementPermission("control"));
    }
    log.info("Starting to switch to maintenance mode...");
    for (TransportInDescription tinDesc : inTransports.values()) {
        TransportListener transport = tinDesc.getReceiver();
        transport.stop();
    }
    log.info("Stopped all transport listeners");

    waitForRequestCompletion();
}

From source file:org.wso2.carbon.core.ServerManagement.java

/**
 * Wait till all service requests have been serviced. This method will only wait for a maximum
 * of {@link ServerManagement#TIMEOUT}/*from   w ww.  ja va 2s . c om*/
 *
 * @throws Exception If an error occurs while trying to connect to the Tomcat MBean
 */
public void waitForRequestCompletion() throws Exception {
    SecurityManager secMan = System.getSecurityManager();
    if (secMan != null) {
        secMan.checkPermission(new ManagementPermission("control"));
    }
    log.info("Waiting for request service completion...");
    /**
     * Get all MBeans with names such as Catalina:type=RequestProcessor,worker=http-9762,name=HttpRequest<n>
     * & Catalina:type=RequestProcessor,worker=http-9762,name=HttpsRequest<n>
     */
    MBeanServer mbs = ManagementFactory.getMBeanServer();
    boolean areRequestsInService;
    long start = System.currentTimeMillis();
    do {
        // Check whether there are any processors which are currently in the SERVICE stage (3)
        QueryExp query = Query.eq(Query.attr("stage"), Query.value(3)); // 3 = org.apache.coyote.Constants.STAGE_SERVICE
        Set set = mbs.queryNames(new ObjectName("Catalina:type=RequestProcessor,*"), query);
        if (set.size() > 0) {
            areRequestsInService = true;
            if (System.currentTimeMillis() - start > TIMEOUT) {
                log.warn("Timeout occurred even though there are active connections.");
                break;
            }
            Thread.sleep(2000);
        } else {
            areRequestsInService = false;
        }
    } while (areRequestsInService);
    log.info("All requests have been served.");
}

From source file:org.wso2.carbon.core.ServerManagement.java

/**
 * Method to change the state of a node from "maintenance" to "normal"
 *
 * @throws Exception If an error occurs while trying to connect to the Tomcat MBean
 *//*from   w  ww .  java 2 s  .  c  o  m*/
public void endMaintenance() throws Exception {
    SecurityManager secMan = System.getSecurityManager();
    if (secMan != null) {
        secMan.checkPermission(new ManagementPermission("control"));
    }
    log.info("Switching to normal mode...");
    for (Iterator iter = inTransports.values().iterator(); iter.hasNext();) {
        TransportInDescription tinDesc = (TransportInDescription) iter.next();
        TransportListener transport = tinDesc.getReceiver();
        transport.start();
    }
    log.info("Switched to normal mode");
}

From source file:org.wso2.carbon.micro.integrator.core.internal.Activator.java

@Override
public void start(BundleContext bundleContext) throws Exception {
    try {/*w  w w .  j  a va 2s  .  c om*/
        // Need permissions in order to activate Carbon Core
        SecurityManager secMan = System.getSecurityManager();
        if (secMan != null) {
            secMan.checkPermission(new ManagementPermission("control"));
        }
        // We assume it's super tenant during the deployment time
        PrivilegedCarbonContext privilegedCarbonContext = PrivilegedCarbonContext.getThreadLocalCarbonContext();
        privilegedCarbonContext.setTenantDomain(MultitenantConstants.SUPER_TENANT_DOMAIN_NAME);
        privilegedCarbonContext.setTenantId(MultitenantConstants.SUPER_TENANT_ID);
        log.info("Starting WSO2 Micro Integrator ...");
        log.info("Operating System : " + System.getProperty("os.name") + " " + System.getProperty("os.version")
                + ", " + System.getProperty("os.arch"));
        if (log.isDebugEnabled()) {
            log.debug("Java Home        : " + System.getProperty("java.home"));
        }
        log.info("Java Version     : " + System.getProperty("java.version"));
        log.info("Java VM          : " + System.getProperty("java.vm.name") + " "
                + System.getProperty("java.vm.version") + "," + System.getProperty("java.vendor"));

        String carbonHome;
        if ((carbonHome = System.getProperty("carbon.home")).equals(".")) {
            carbonHome = new File(".").getAbsolutePath();
        }
        log.info("Micro Integrator Home      : " + carbonHome);

        if (log.isDebugEnabled()) {
            log.info("Java Temp Dir    : " + System.getProperty("java.io.tmpdir"));
            log.info("User             : " + System.getProperty("user.name") + ", "
                    + System.getProperty("user.language") + "-" + System.getProperty("user.country") + ", "
                    + System.getProperty("user.timezone"));
        }
        Security.addProvider(new BouncyCastleProvider());
        if (log.isDebugEnabled()) {
            log.debug("BouncyCastle security provider is successfully registered in JVM.");
        }
        bundleContext.registerService(CarbonCoreInitializedEvent.class.getName(),
                new CarbonCoreInitializedEventImpl(), null);
        GhostServiceMetaArtifactsLoader serviceMetaArtifactsLoader = new GhostServiceMetaArtifactsLoader();
        bundleContext.registerService(GhostMetaArtifactsLoader.class.getName(), serviceMetaArtifactsLoader,
                null);
        CarbonCoreDataHolder.getInstance().setBundleContext(bundleContext);
    } catch (Throwable e) {
        throw new Exception(e);
    }
}

From source file:org.wso2.carbon.micro.integrator.core.internal.ServiceComponent.java

/**
 * Forced shutdown//from   w w w  .  j  ava2  s. co m
 */
public void shutdown() {
    createSuperTenantCarbonContext();
    SecurityManager secMan = System.getSecurityManager();
    if (secMan != null) {
        secMan.checkPermission(new ManagementPermission("control"));
    }
    log.info("Shutting down " + serverName + "...");
    if (!isShutdownTriggeredByShutdownHook) {
        Runtime.getRuntime().removeShutdownHook(shutdownHook);
    }
    try {
        try {
            ServerStatus.setServerShuttingDown();
        } catch (AxisFault e) {
            String msg = "Cannot set server to shutdown mode";
            log.error(msg, e);
        }
        //            CarbonCoreServiceComponent.shutdown();
        //            stopListenerManager();
        log.info("Shutting down OSGi framework...");
        EclipseStarter.shutdown();
        log.info("Shutdown complete");
        log.info("Halting JVM");
        if (!isShutdownTriggeredByShutdownHook) {
            System.exit(0);
        }
    } catch (Exception e) {
        log.error("Error occurred while shutting down " + serverName, e);
        if (!isShutdownTriggeredByShutdownHook) {
            System.exit(1);
        }
    }
}

From source file:org.wso2.carbon.registry.core.internal.RegistryCoreServiceComponent.java

/**
 * Activates the Registry Kernel bundle.
 *
 * @param context the OSGi component context.
 *///from   w  w  w . jav a  2s  .  c o  m
@SuppressWarnings("unused")
protected void activate(ComponentContext context) {
    // for new cahing, every thread should has its own populated CC. During the deployment time we assume super tenant
    PrivilegedCarbonContext carbonContext = PrivilegedCarbonContext.getThreadLocalCarbonContext();
    carbonContext.setTenantDomain(org.wso2.carbon.base.MultitenantConstants.SUPER_TENANT_DOMAIN_NAME);
    carbonContext.setTenantId(org.wso2.carbon.base.MultitenantConstants.SUPER_TENANT_ID);

    // Need permissions in order activate Registry
    SecurityManager securityManager = System.getSecurityManager();
    if (securityManager != null) {
        securityManager.checkPermission(new ManagementPermission("control"));
    }
    try {
        bundleContext = context.getBundleContext();
        registryService = buildRegistryService();

        log.debug("Completed initializing the Registry Kernel");
        registrations
                .push(bundleContext.registerService(
                        new String[] { RegistryService.class.getName(),
                                org.wso2.carbon.registry.api.RegistryService.class.getName() },
                        registryService, null));
        registrations.push(bundleContext.registerService(SimulationService.class.getName(),
                new DefaultSimulationService(), null));
        TenantDeploymentListenerImpl listener = new TenantDeploymentListenerImpl(registryService);
        registrations.push(bundleContext.registerService(Axis2ConfigurationContextObserver.class.getName(),
                listener, null));
        registrations
                .push(bundleContext.registerService(AuthenticationObserver.class.getName(), listener, null));
        registrations.push(bundleContext.registerService(TenantRegistryLoader.class.getName(), listener, null));

        log.debug("Registry Core bundle is activated ");
    } catch (Throwable e) {
        log.error("Failed to activate Registry Core bundle ", e);
    }
}