| /* |
| * Copyright 2003-2006 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package sun.management; |
| |
| import java.lang.management.*; |
| import java.util.logging.LogManager; |
| |
| import javax.management.DynamicMBean; |
| import javax.management.MBeanServer; |
| import javax.management.MBeanServerFactory; |
| import javax.management.MBeanInfo; |
| import javax.management.NotificationEmitter; |
| import javax.management.ObjectName; |
| import javax.management.ObjectInstance; |
| import javax.management.InstanceAlreadyExistsException; |
| import javax.management.InstanceNotFoundException; |
| import javax.management.MBeanRegistrationException; |
| import javax.management.NotCompliantMBeanException; |
| import javax.management.MalformedObjectNameException; |
| import javax.management.RuntimeOperationsException; |
| import javax.management.StandardEmitterMBean; |
| import javax.management.StandardMBean; |
| import java.security.AccessController; |
| import java.security.Permission; |
| import java.security.PrivilegedActionException; |
| import java.security.PrivilegedExceptionAction; |
| import sun.security.action.LoadLibraryAction; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.Iterator; |
| import java.util.ListIterator; |
| import com.sun.management.OSMBeanFactory; |
| import com.sun.management.HotSpotDiagnosticMXBean; |
| |
| import static java.lang.management.ManagementFactory.*; |
| |
| /** |
| * ManagementFactory provides static factory methods to create |
| * instances of the management interface. |
| */ |
| public class ManagementFactory { |
| private ManagementFactory() {}; |
| |
| private static VMManagement jvm; |
| |
| private static boolean mbeansCreated = false; |
| private static ClassLoadingImpl classMBean = null; |
| private static MemoryImpl memoryMBean = null; |
| private static ThreadImpl threadMBean = null; |
| private static RuntimeImpl runtimeMBean = null; |
| private static CompilationImpl compileMBean = null; |
| private static OperatingSystemImpl osMBean = null; |
| |
| public static synchronized ClassLoadingMXBean getClassLoadingMXBean() { |
| if (classMBean == null) { |
| classMBean = new ClassLoadingImpl(jvm); |
| } |
| return classMBean; |
| } |
| |
| public static synchronized MemoryMXBean getMemoryMXBean() { |
| if (memoryMBean == null) { |
| memoryMBean = new MemoryImpl(jvm); |
| } |
| return memoryMBean; |
| } |
| |
| public static synchronized ThreadMXBean getThreadMXBean() { |
| if (threadMBean == null) { |
| threadMBean = new ThreadImpl(jvm); |
| } |
| return threadMBean; |
| } |
| |
| public static synchronized RuntimeMXBean getRuntimeMXBean() { |
| if (runtimeMBean == null) { |
| runtimeMBean = new RuntimeImpl(jvm); |
| } |
| return runtimeMBean; |
| } |
| |
| public static synchronized CompilationMXBean getCompilationMXBean() { |
| if (compileMBean == null && jvm.getCompilerName() != null) { |
| compileMBean = new CompilationImpl(jvm); |
| } |
| return compileMBean; |
| } |
| |
| public static synchronized OperatingSystemMXBean getOperatingSystemMXBean() { |
| if (osMBean == null) { |
| osMBean = (OperatingSystemImpl) |
| OSMBeanFactory.getOperatingSystemMXBean(jvm); |
| } |
| return osMBean; |
| } |
| |
| public static List<MemoryPoolMXBean> getMemoryPoolMXBeans() { |
| MemoryPoolMXBean[] pools = MemoryImpl.getMemoryPools(); |
| List<MemoryPoolMXBean> list = new ArrayList<MemoryPoolMXBean>(pools.length); |
| for (int i = 0; i < pools.length; i++) { |
| MemoryPoolMXBean p = pools[i]; |
| list.add(p); |
| } |
| return list; |
| } |
| |
| public static List<MemoryManagerMXBean> getMemoryManagerMXBeans() { |
| MemoryManagerMXBean[] mgrs = MemoryImpl.getMemoryManagers(); |
| List<MemoryManagerMXBean> result = new ArrayList<MemoryManagerMXBean>(mgrs.length); |
| for (int i = 0; i < mgrs.length; i++) { |
| MemoryManagerMXBean m = mgrs[i]; |
| result.add(m); |
| } |
| return result; |
| } |
| |
| public static List<GarbageCollectorMXBean> getGarbageCollectorMXBeans() { |
| MemoryManagerMXBean[] mgrs = MemoryImpl.getMemoryManagers(); |
| List<GarbageCollectorMXBean> result = new ArrayList<GarbageCollectorMXBean>(mgrs.length); |
| for (int i = 0; i < mgrs.length; i++) { |
| if (mgrs[i] instanceof GarbageCollectorMXBean) { |
| GarbageCollectorMXBean gc = (GarbageCollectorMXBean) mgrs[i]; |
| result.add(gc); |
| } |
| } |
| return result; |
| } |
| |
| private static HotSpotDiagnostic hsDiagMBean = null; |
| private static HotspotRuntime hsRuntimeMBean = null; |
| private static HotspotClassLoading hsClassMBean = null; |
| private static HotspotThread hsThreadMBean = null; |
| private static HotspotCompilation hsCompileMBean = null; |
| private static HotspotMemory hsMemoryMBean = null; |
| |
| public static synchronized HotSpotDiagnosticMXBean getDiagnosticMXBean() { |
| if (hsDiagMBean == null) { |
| hsDiagMBean = new HotSpotDiagnostic(); |
| } |
| return hsDiagMBean; |
| } |
| |
| /** |
| |
| /** |
| * This method is for testing only. |
| */ |
| public static synchronized HotspotRuntimeMBean getHotspotRuntimeMBean() { |
| if (hsRuntimeMBean == null) { |
| hsRuntimeMBean = new HotspotRuntime(jvm); |
| } |
| return hsRuntimeMBean; |
| } |
| |
| /** |
| * This method is for testing only. |
| */ |
| public static synchronized HotspotClassLoadingMBean getHotspotClassLoadingMBean() { |
| if (hsClassMBean == null) { |
| hsClassMBean = new HotspotClassLoading(jvm); |
| } |
| return hsClassMBean; |
| } |
| |
| /** |
| * This method is for testing only. |
| */ |
| public static synchronized HotspotThreadMBean getHotspotThreadMBean() { |
| if (hsThreadMBean == null) { |
| hsThreadMBean = new HotspotThread(jvm); |
| } |
| return hsThreadMBean; |
| } |
| |
| /** |
| * This method is for testing only. |
| */ |
| public static synchronized HotspotMemoryMBean getHotspotMemoryMBean() { |
| if (hsMemoryMBean == null) { |
| hsMemoryMBean = new HotspotMemory(jvm); |
| } |
| return hsMemoryMBean; |
| } |
| |
| /** |
| * This method is for testing only. |
| */ |
| public static synchronized HotspotCompilationMBean getHotspotCompilationMBean() { |
| if (hsCompileMBean == null) { |
| hsCompileMBean = new HotspotCompilation(jvm); |
| } |
| return hsCompileMBean; |
| } |
| |
| private static Permission monitorPermission = |
| new ManagementPermission("monitor"); |
| private static Permission controlPermission = |
| new ManagementPermission("control"); |
| |
| /** |
| * Check that the current context is trusted to perform monitoring |
| * or management. |
| * <p> |
| * If the check fails we throw a SecurityException, otherwise |
| * we return normally. |
| * |
| * @exception SecurityException if a security manager exists and if |
| * the caller does not have ManagementPermission("control"). |
| */ |
| static void checkAccess(Permission p) |
| throws SecurityException { |
| SecurityManager sm = System.getSecurityManager(); |
| if (sm != null) { |
| sm.checkPermission(p); |
| } |
| } |
| |
| static void checkMonitorAccess() throws SecurityException { |
| checkAccess(monitorPermission); |
| } |
| static void checkControlAccess() throws SecurityException { |
| checkAccess(controlPermission); |
| } |
| |
| /** |
| * Registers an MXBean and throws exception if an instance with the same |
| * name exists. |
| * |
| * This method makes a DynamicMBean out of an MXBean by wrapping it with a |
| * StandardMBean (StandardEmitterMBean if the supplied emitter is not null), |
| * so it can be registered in an MBeanServer which does not have support for |
| * MXBeans. |
| */ |
| private static void addMXBean(MBeanServer mbs, Object mbean, |
| String mbeanName, NotificationEmitter emitter) { |
| // Make DynamicMBean out of MXBean by wrapping it with a StandardMBean |
| // |
| final DynamicMBean dmbean; |
| if (emitter == null) { |
| dmbean = new StandardMBean(mbean, null, true); |
| } else { |
| dmbean = new StandardEmitterMBean(mbean, null, true, emitter); |
| } |
| addMBean(mbs, dmbean, mbeanName, false); |
| } |
| |
| /** |
| * Registers a Standard MBean or a Dynamic MBean and throws |
| * exception if an instance with the same name exists. |
| */ |
| private static void addMBean(MBeanServer mbs, Object mbean, String mbeanName) { |
| addMBean(mbs, mbean, mbeanName, false); |
| } |
| |
| private static void addMBean(MBeanServer mbs, Object mbean, |
| String mbeanName, boolean ignoreConflicts) { |
| try { |
| final ObjectName objName = new ObjectName(mbeanName); |
| |
| // inner class requires these fields to be final |
| final MBeanServer mbs0 = mbs; |
| final Object mbean0 = mbean; |
| final boolean ignore = ignoreConflicts; |
| AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() { |
| public Object run() throws InstanceAlreadyExistsException, |
| MBeanRegistrationException, |
| NotCompliantMBeanException { |
| try { |
| ObjectInstance o = mbs0.registerMBean(mbean0, |
| objName); |
| return null; |
| } catch (InstanceAlreadyExistsException e) { |
| // if an instance with the object name exists in |
| // the MBeanServer ignore the exception |
| // if ignoreConflicts is true; |
| // otherwise, throws exception. |
| if (!ignore) { |
| throw e; |
| } |
| } |
| return null; |
| } |
| }); |
| } catch (PrivilegedActionException e) { |
| throw Util.newException(e.getException()); |
| } catch (MalformedObjectNameException e) { |
| // should not reach here |
| throw Util.newException(e); |
| } |
| } |
| |
| public static MBeanServer createPlatformMBeanServer() { |
| MBeanServer mbs = MBeanServerFactory.createMBeanServer(); |
| // Register all the platform MBeans to this MBeanServer |
| addMXBean(mbs, getClassLoadingMXBean(), |
| CLASS_LOADING_MXBEAN_NAME, null); |
| addMXBean(mbs, getMemoryMXBean(), |
| MEMORY_MXBEAN_NAME, (NotificationEmitter) getMemoryMXBean()); |
| addMXBean(mbs, getOperatingSystemMXBean(), |
| OPERATING_SYSTEM_MXBEAN_NAME, null); |
| addMXBean(mbs, getRuntimeMXBean(), |
| RUNTIME_MXBEAN_NAME, null); |
| addMXBean(mbs, getThreadMXBean(), |
| THREAD_MXBEAN_NAME, null); |
| addMXBean(mbs, getDiagnosticMXBean(), |
| HOTSPOT_DIAGNOSTIC_MXBEAN_NAME, null); |
| |
| // CompilationMBean may not exist |
| if (getCompilationMXBean() != null) { |
| addMXBean(mbs, getCompilationMXBean(), |
| COMPILATION_MXBEAN_NAME, null); |
| } |
| |
| // Register MBeans for memory pools and memory managers |
| addMemoryManagers(mbs); |
| addMemoryPools(mbs); |
| |
| // Register platform extension |
| addMXBean(mbs, LogManager.getLoggingMXBean(), |
| LogManager.LOGGING_MXBEAN_NAME, null); |
| |
| return mbs; |
| } |
| |
| private final static String HOTSPOT_DIAGNOSTIC_MXBEAN_NAME = |
| "com.sun.management:type=HotSpotDiagnostic"; |
| |
| private final static String HOTSPOT_CLASS_LOADING_MBEAN_NAME = |
| "sun.management:type=HotspotClassLoading"; |
| |
| private final static String HOTSPOT_COMPILATION_MBEAN_NAME = |
| "sun.management:type=HotspotCompilation"; |
| |
| private final static String HOTSPOT_MEMORY_MBEAN_NAME = |
| "sun.management:type=HotspotMemory"; |
| |
| private static final String HOTSPOT_RUNTIME_MBEAN_NAME = |
| "sun.management:type=HotspotRuntime"; |
| |
| private final static String HOTSPOT_THREAD_MBEAN_NAME = |
| "sun.management:type=HotspotThreading"; |
| |
| private final static String HOTSPOT_INTERNAL_MBEAN_NAME = |
| "sun.management:type=HotspotInternal"; |
| |
| private static ObjectName hsInternalObjName = null; |
| static synchronized ObjectName getHotspotInternalObjectName() { |
| if (hsInternalObjName == null) { |
| try { |
| hsInternalObjName = new ObjectName(HOTSPOT_INTERNAL_MBEAN_NAME); |
| } catch (MalformedObjectNameException e) { |
| // should not reach here |
| throw Util.newException(e); |
| } |
| } |
| return hsInternalObjName; |
| } |
| |
| static void registerInternalMBeans(MBeanServer mbs) { |
| // register all internal MBeans if not registered |
| // No exception is thrown if a MBean with that object name |
| // already registered (i.e. ignore if name conflicts). |
| addMBean(mbs, getHotspotClassLoadingMBean(), |
| HOTSPOT_CLASS_LOADING_MBEAN_NAME, true); |
| addMBean(mbs, getHotspotMemoryMBean(), |
| HOTSPOT_MEMORY_MBEAN_NAME, true); |
| addMBean(mbs, getHotspotRuntimeMBean(), |
| HOTSPOT_RUNTIME_MBEAN_NAME, true); |
| addMBean(mbs, getHotspotThreadMBean(), |
| HOTSPOT_THREAD_MBEAN_NAME, true); |
| |
| // CompilationMBean may not exist |
| if (getCompilationMXBean() != null) { |
| addMBean(mbs, getHotspotCompilationMBean(), |
| HOTSPOT_COMPILATION_MBEAN_NAME, true); |
| } |
| } |
| |
| private static void unregisterMBean(MBeanServer mbs, String mbeanName) { |
| try { |
| final ObjectName objName = new ObjectName(mbeanName); |
| |
| // inner class requires these fields to be final |
| final MBeanServer mbs0 = mbs; |
| AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() { |
| public Object run() throws MBeanRegistrationException, |
| RuntimeOperationsException { |
| try { |
| mbs0.unregisterMBean(objName); |
| } catch (InstanceNotFoundException e) { |
| // ignore exception if not found |
| } |
| return null; |
| } |
| }); |
| } catch (PrivilegedActionException e) { |
| throw Util.newException(e.getException()); |
| } catch (MalformedObjectNameException e) { |
| // should not reach here |
| throw Util.newException(e); |
| } |
| } |
| |
| static void unregisterInternalMBeans(MBeanServer mbs) { |
| // unregister all internal MBeans |
| unregisterMBean(mbs, HOTSPOT_CLASS_LOADING_MBEAN_NAME); |
| unregisterMBean(mbs, HOTSPOT_MEMORY_MBEAN_NAME); |
| unregisterMBean(mbs, HOTSPOT_RUNTIME_MBEAN_NAME); |
| unregisterMBean(mbs, HOTSPOT_THREAD_MBEAN_NAME); |
| |
| // CompilationMBean may not exist |
| if (getCompilationMXBean() != null) { |
| unregisterMBean(mbs, HOTSPOT_COMPILATION_MBEAN_NAME); |
| } |
| } |
| |
| private static synchronized void addMemoryPools(MBeanServer mbs) { |
| |
| // Get a list of memory pools |
| MemoryPoolMXBean[] newPools = MemoryImpl.getMemoryPools(); |
| |
| for (int i = 0; i < newPools.length; i++) { |
| String poolObjNameString = Util.getMBeanObjectName(newPools[i]); |
| addMXBean(mbs, newPools[i], poolObjNameString, null); |
| } |
| } |
| |
| // Register all memory managers with the MBeanServer; |
| private static synchronized void addMemoryManagers(MBeanServer mbs) { |
| |
| // Get a list of memory managers |
| MemoryManagerMXBean[] newMgrs = MemoryImpl.getMemoryManagers(); |
| |
| for (int i = 0; i < newMgrs.length; i++) { |
| String mgrObjNameString = Util.getMBeanObjectName(newMgrs[i]); |
| addMXBean(mbs, newMgrs[i], mgrObjNameString, null); |
| } |
| } |
| |
| // Invoked by the VM |
| private static MemoryPoolMXBean createMemoryPool |
| (String name, boolean isHeap, long uThreshold, long gcThreshold) { |
| return new MemoryPoolImpl(name, isHeap, uThreshold, gcThreshold); |
| } |
| |
| private static MemoryManagerMXBean createMemoryManager(String name) { |
| return new MemoryManagerImpl(name); |
| } |
| |
| private static GarbageCollectorMXBean |
| createGarbageCollector(String name, String type) { |
| |
| // ignore type parameter which is for future extension |
| return new GarbageCollectorImpl(name); |
| } |
| |
| static { |
| AccessController.doPrivileged(new LoadLibraryAction("management")); |
| jvm = new VMManagementImpl(); |
| } |
| |
| public static boolean isThreadSuspended(int state) { |
| return ((state & JMM_THREAD_STATE_FLAG_SUSPENDED) != 0); |
| } |
| |
| public static boolean isThreadRunningNative(int state) { |
| return ((state & JMM_THREAD_STATE_FLAG_NATIVE) != 0); |
| } |
| |
| public static Thread.State toThreadState(int state) { |
| // suspended and native bits may be set in state |
| int threadStatus = state & ~JMM_THREAD_STATE_FLAG_MASK; |
| return sun.misc.VM.toThreadState(threadStatus); |
| } |
| |
| // These values are defined in jmm.h |
| private static final int JMM_THREAD_STATE_FLAG_MASK = 0xFFF00000; |
| private static final int JMM_THREAD_STATE_FLAG_SUSPENDED = 0x00100000; |
| private static final int JMM_THREAD_STATE_FLAG_NATIVE = 0x00400000; |
| |
| } |