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Support for instantiation of Glassfish MBeanServer
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* and Distribution License("CDDL") (collectively, the "License"). You
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package org.glassfish.admin.mbeanserver;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.management.InstanceNotFoundException;
import javax.management.MBeanRegistrationException;
import org.jvnet.hk2.annotations.Service;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import org.glassfish.api.Startup;
import org.glassfish.api.Async;
import org.glassfish.external.amx.BootAMXMBean;
import org.jvnet.hk2.component.PostConstruct;
import org.jvnet.hk2.component.Habitat;
import org.jvnet.hk2.annotations.Inject;
import java.util.List;
import java.util.ArrayList;
import java.lang.management.ManagementFactory;
import com.sun.enterprise.config.serverbeans.AdminService;
import com.sun.enterprise.config.serverbeans.JmxConnector;
import com.sun.enterprise.config.serverbeans.AmxPref;
import com.sun.enterprise.config.serverbeans.Domain;
import com.sun.grizzly.config.dom.Ssl;
import javax.management.remote.JMXConnectorServer;
import javax.management.remote.JMXServiceURL;
import java.io.IOException;
import java.util.Set;
import javax.management.JMException;
import org.glassfish.api.event.EventListener;
import org.glassfish.api.event.EventTypes;
import org.glassfish.api.event.Events;
import org.glassfish.internal.api.*;
/**
Responsible for creating the {@link BootAMXMBean}, and starting JMXConnectors,
which will initialize (boot) AMX when a connection arrives.
*/
@Service
public final class JMXStartupService implements PostStartup, PostConstruct {
private static void debug(final String s) {
System.out.println("### " + s);
}
@Inject
private MBeanServer mMBeanServer;
@Inject
private Domain mDomain;
@Inject
private AdminService mAdminService;
@Inject
private Habitat mHabitat;
@Inject
Events mEvents;
@Inject
volatile static Habitat habitat;
private volatile BootAMX mBootAMX;
private volatile JMXConnectorsStarterThread mConnectorsStarterThread;
public JMXStartupService() {
mMBeanServer = ManagementFactory.getPlatformMBeanServer();
}
private final class ShutdownListener implements EventListener {
public void event(EventListener.Event event) {
if (event.is(EventTypes.SERVER_SHUTDOWN)) {
shutdown();
}
}
}
public void postConstruct() {
mBootAMX = BootAMX.create(mHabitat, mMBeanServer);
final List configuredConnectors = mAdminService.getJmxConnector();
// AmxPref might not exist
final AmxPref amxPref = mDomain.getAmxPref();
final boolean autoStart = amxPref == null ? AmxPref.AUTO_START_DEFAULT : Boolean.valueOf(amxPref.getAutoStart());
mConnectorsStarterThread = new JMXConnectorsStarterThread(mMBeanServer, configuredConnectors, mBootAMX, !autoStart);
mConnectorsStarterThread.start();
// start AMX *first* (if auto start) so that it's ready
if (autoStart) {
new BootAMXThread(mBootAMX).start();
}
mEvents.register(new ShutdownListener());
}
private synchronized void shutdown() {
Util.getLogger().fine("JMXStartupService: shutting down AMX and JMX");
if(mBootAMX != null) mBootAMX.shutdown();
mBootAMX = null;
if(mConnectorsStarterThread != null) mConnectorsStarterThread.shutdown();
mConnectorsStarterThread = null;
// we can't block here waiting, we have to assume that the rest of the AMX modules do the right thing
Util.getLogger().log(java.util.logging.Level.INFO, "JMXStartupService and JMXConnectors have been shut down.");
}
private static final class BootAMXThread extends Thread {
private final BootAMX mBooter;
public BootAMXThread(final BootAMX booter) {
mBooter = booter;
}
public void run() {
mBooter.bootAMX();
}
}
/**
Thread that starts the configured JMXConnectors.
*/
private static final class JMXConnectorsStarterThread extends Thread {
private final List mConfiguredConnectors;
private final MBeanServer mMBeanServer;
private final BootAMX mAMXBooterNew;
private final boolean mNeedBootListeners;
ConnectorStarter starter;
ObjectName connObjectName;
public JMXConnectorsStarterThread(
final MBeanServer mbs,
final List configuredConnectors,
final BootAMX amxBooter,
final boolean needBootListeners) {
mMBeanServer = mbs;
mConfiguredConnectors = configuredConnectors;
mAMXBooterNew = amxBooter;
mNeedBootListeners = needBootListeners;
}
void shutdown() {
if (starter != null && starter instanceof RMIConnectorStarter) {
((RMIConnectorStarter) starter).stopAndUnexport();
}
try {
if(connObjectName != null) {
mMBeanServer.unregisterMBean(connObjectName);
connObjectName = null;
}
} catch (MBeanRegistrationException ex) {
Util.getLogger().log(Level.SEVERE, null, ex);
} catch (InstanceNotFoundException ex) {
Util.getLogger().log(Level.SEVERE, null, ex);
}
for (final JMXConnectorServer connector : mConnectorServers) {
try {
final JMXServiceURL address = connector.getAddress();
connector.stop();
Util.getLogger().info("JMXStartupService: Stopped JMXConnectorServer: " + address);
} catch (final Exception e) {
e.printStackTrace();
}
}
mConnectorServers.clear();
}
private static String toString(final JmxConnector c) {
return "JmxConnector config: { name = " + c.getName() +
", Protocol = " + c.getProtocol() +
", Address = " + c.getAddress() +
", Port = " + c.getPort() +
", AcceptAll = " + c.getAcceptAll() +
", AuthRealmName = " + c.getAuthRealmName() +
", SecurityEnabled = " + c.getSecurityEnabled() +
"}";
}
private JMXConnectorServer startConnector(final JmxConnector connConfig)
throws IOException {
Util.getLogger().fine("Starting JMXConnector: " + toString(connConfig));
final String protocol = connConfig.getProtocol();
final String address = connConfig.getAddress();
final int port = Integer.parseInt(connConfig.getPort());
final String authRealmName = connConfig.getAuthRealmName();
final boolean securityEnabled = Boolean.parseBoolean(connConfig.getSecurityEnabled());
final Ssl ssl = connConfig.getSsl();
JMXConnectorServer server = null;
final BootAMXListener listener = mNeedBootListeners ? new BootAMXListener(server, mAMXBooterNew) : null;
if (protocol.equals("rmi_jrmp")) {
starter = new RMIConnectorStarter(mMBeanServer, address, port,
protocol, authRealmName, securityEnabled, habitat,
listener, ssl);
server = ((RMIConnectorStarter) starter).start();
} else if (protocol.equals("jmxmp")) {
starter = new JMXMPConnectorStarter(mMBeanServer, address, port,
authRealmName, securityEnabled,
habitat, listener, ssl);
server = ((JMXMPConnectorStarter) starter).start();
} else {
throw new IllegalArgumentException("JMXStartupService.startConnector(): Unknown protocol: " + protocol);
}
final JMXServiceURL url = server.getAddress();
Util.getLogger().info("JMXStartupService: Started JMXConnector, JMXService URL = " + url);
try {
connObjectName = new ObjectName(JMX_CONNECTOR_SERVER_PREFIX + ",protocol=" + protocol + ",name=" + connConfig.getName());
ObjectName connObjectName1 = mMBeanServer.registerMBean(server, connObjectName).getObjectName();
} catch (final Exception e) {
// it's not critical to have it registered as an MBean
e.printStackTrace();
}
// test that it works
/*
final JMXConnector conn = JMXConnectorFactory.connect(url);
final MBeanServerConnection mbsc = conn.getMBeanServerConnection();
mbsc.getDomains();
*/
return server;
}
private final List mConnectorServers = new ArrayList();
public void run() {
for (final JmxConnector c : mConfiguredConnectors) {
if (!Boolean.parseBoolean(c.getEnabled())) {
Util.getLogger().info("JMXStartupService: JMXConnector " + c.getName() + " is disabled, skipping.");
continue;
}
try {
final JMXConnectorServer server = startConnector(c);
mConnectorServers.add(server);
} catch (final Throwable t) {
Util.getLogger().warning("Cannot start JMX connector: " + toString(c) + ": " + t);
t.printStackTrace();
}
}
}
}
public static final String JMX_CONNECTOR_SERVER_PREFIX = "jmxremote:type=jmx-connector-server";
public static final Set getJMXConnectorServers(final MBeanServer server) {
try {
final ObjectName queryPattern = new ObjectName(JMX_CONNECTOR_SERVER_PREFIX + ",*");
return server.queryNames(queryPattern, null);
} catch (final Exception e) {
throw new RuntimeException(e);
}
}
/**
Return the JMXServiceURLs for all connectors we've loaded.
*/
public static JMXServiceURL[] getJMXServiceURLs(final MBeanServer server) {
final Set objectNames = getJMXConnectorServers(server);
final List urls = new ArrayList();
for (final ObjectName objectName : objectNames) {
try {
urls.add((JMXServiceURL) server.getAttribute(objectName, "Address"));
} catch (JMException e) {
e.printStackTrace();
// ignore
}
}
return urls.toArray(new JMXServiceURL[urls.size()]);
}
}
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