/*
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* 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle 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.
*
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package com.sun.tools.visualvm.application.views.threads;
import com.sun.tools.visualvm.application.Application;
import com.sun.tools.visualvm.core.datasupport.DataRemovedListener;
import com.sun.tools.visualvm.application.jvm.Jvm;
import com.sun.tools.visualvm.application.jvm.JvmFactory;
import com.sun.tools.visualvm.core.datasource.DataSource;
import com.sun.tools.visualvm.core.datasupport.Stateful;
import com.sun.tools.visualvm.core.options.GlobalPreferences;
import com.sun.tools.visualvm.core.ui.DataSourceView;
import com.sun.tools.visualvm.core.ui.components.DataViewComponent;
import com.sun.tools.visualvm.threaddump.ThreadDumpSupport;
import com.sun.tools.visualvm.tools.jmx.JmxModel;
import com.sun.tools.visualvm.tools.jmx.JmxModel.ConnectionState;
import com.sun.tools.visualvm.tools.jmx.JmxModelFactory;
import com.sun.tools.visualvm.tools.jmx.JvmMXBeans;
import com.sun.tools.visualvm.tools.jmx.JvmMXBeansFactory;
import com.sun.tools.visualvm.tools.jmx.MBeanCacheListener;
import com.sun.tools.visualvm.uisupport.HTMLTextArea;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import javax.swing.AbstractAction;
import javax.swing.BorderFactory;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import org.netbeans.lib.profiler.ui.threads.ThreadsPanel;
import org.openide.util.ImageUtilities;
import org.openide.util.NbBundle;
import org.openide.util.RequestProcessor;
import org.openide.util.WeakListeners;
/**
*
* @author Jiri Sedlacek
*/
class ApplicationThreadsView extends DataSourceView implements DataRemovedListener<Application> {
private static final String IMAGE_PATH = "com/sun/tools/visualvm/application/views/resources/threads.png"; // NOI18N
private static final String DEADLOCK_ALERT_TEXT = NbBundle.getMessage(ApplicationThreadsView.class, "Deadlock_Alert_Text"); // NOI18N
private JvmMXBeans mxbeans;
private VisualVMThreadsDataManager threadsManager;
private MBeanCacheListener listener;
private boolean takeThreadDumpSupported;
private MasterViewSupport mvs;
ApplicationThreadsView(DataSource dataSource) {
super(dataSource, NbBundle.getMessage(ApplicationThreadsView.class, "LBL_Threads"), new ImageIcon(ImageUtilities.loadImage(IMAGE_PATH, true)).getImage(), 30, false); // NOI18N
}
@Override
protected void willBeAdded() {
DataSource ds = getDataSource();
if (ds instanceof Application) {
Application application = (Application)ds;
Jvm jvm = JvmFactory.getJVMFor(application);
takeThreadDumpSupported = jvm == null ? false : jvm.isTakeThreadDumpSupported();
threadsManager = null;
JmxModel jmxModel = JmxModelFactory.getJmxModelFor(application);
if (jmxModel != null && jmxModel.getConnectionState() == ConnectionState.CONNECTED) {
mxbeans = JvmMXBeansFactory.getJvmMXBeans(jmxModel, GlobalPreferences.sharedInstance().getThreadsPoll() * 1000);
if (mxbeans != null) {
ThreadMXBeanDataManager threadsMXManager = new ThreadMXBeanDataManager(mxbeans.getThreadMXBean());
threadsMXManager.addPropertyChangeListener(new PropertyChangeListener() {
public void propertyChange(PropertyChangeEvent evt) {
handleThreadsPropertyChange(evt);
}
});
threadsManager = threadsMXManager;
}
}
} else {
threadsManager = PersistenceSupport.loadDataManager(ds.getStorage());
}
}
@Override
protected synchronized void removed() {
cleanup();
}
VisualVMThreadsDataManager getDataManager() {
return threadsManager;
}
public synchronized void dataRemoved(Application dataSource) {
cleanup();
}
private synchronized void cleanup() {
if (mxbeans != null) {
mxbeans.removeMBeanCacheListener(listener);
mxbeans = null;
}
}
@Override
protected void setAlert(Alert newAlert, String newText) {
super.setAlert(newAlert,newText);
mvs.setAlertText(newText);
}
protected DataViewComponent createComponent() {
DataSource ds = getDataSource();
final Application application = ds instanceof Application ?
(Application)ds : null;
mvs = new MasterViewSupport(ds, takeThreadDumpSupported, threadsManager);
if (mxbeans != null) {
listener = new MBeanCacheListener() {
public void flushed() {
if (application.getState() != Stateful.STATE_AVAILABLE) {
cleanup();
} else {
((ThreadMXBeanDataManager)threadsManager).refreshThreadsAsync();
mvs.updateThreadsCounts(threadsManager);
}
}
};
mxbeans.addMBeanCacheListener(listener);
}
if (application != null) application.notifyWhenRemoved(this);
final DataViewComponent dvc = new DataViewComponent(mvs.getMasterView(), new DataViewComponent.MasterViewConfiguration(false));
dvc.configureDetailsArea(new DataViewComponent.DetailsAreaConfiguration(NbBundle.getMessage(ApplicationThreadsView.class, "LBL_Threads_visualization"), true), DataViewComponent.TOP_LEFT); // NOI18N
dvc.addDetailsView(new TimelineViewSupport(threadsManager).getDetailsView(), DataViewComponent.TOP_LEFT);
return dvc;
}
private void handleThreadsPropertyChange(PropertyChangeEvent evt) {
if (ThreadMXBeanDataManager.DEADLOCK_PROP.equals(evt.getPropertyName())) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
setAlert(Alert.ERROR,DEADLOCK_ALERT_TEXT);
}
});
}
}
// --- General data --------------------------------------------------------
private static class MasterViewSupport extends JPanel implements DataRemovedListener<Application>, PropertyChangeListener {
private static RequestProcessor worker = null;
private Application application;
private HTMLTextArea area;
private HTMLTextArea alertArea;
private JButton threadDumpButton;
private static final String LIVE_THRADS = NbBundle.getMessage(ApplicationThreadsView.class, "LBL_Live_threads"); // NOI18N
private static final String DAEMON_THREADS = NbBundle.getMessage(ApplicationThreadsView.class, "LBL_Daemon_threads"); // NOI18N
MasterViewSupport(DataSource dataSource, boolean takeThreadDumpSupported,
VisualVMThreadsDataManager threadsManager) {
if (dataSource instanceof Application) application = (Application)dataSource;
initComponents(takeThreadDumpSupported);
updateThreadsCounts(threadsManager);
}
DataViewComponent.MasterView getMasterView() {
return new DataViewComponent.MasterView(NbBundle.getMessage(ApplicationThreadsView.class, "LBL_Threads"), null, this); // NOI18N
}
public void dataRemoved(Application dataSource) {
SwingUtilities.invokeLater(new Runnable() {
public void run() {
threadDumpButton.setEnabled(false);
}
});
}
public void propertyChange(PropertyChangeEvent evt) {
dataRemoved(application);
}
private void initComponents(boolean takeThreadDumpSupported) {
setLayout(new BorderLayout());
setOpaque(false);
area = new HTMLTextArea();
area.setBorder(BorderFactory.createEmptyBorder(14, 8, 14, 8));
add(area, BorderLayout.WEST);
alertArea = new HTMLTextArea();
alertArea.setBorder(BorderFactory.createEmptyBorder(14, 8, 14, 8));
alertArea.setForeground(Color.RED);
add(alertArea, BorderLayout.CENTER);
threadDumpButton = new JButton(new AbstractAction(NbBundle.getMessage(ApplicationThreadsView.class, "LBL_Thread_Dump")) { // NOI18N
public void actionPerformed(ActionEvent e) {
ThreadDumpSupport.getInstance().takeThreadDump(application, (e.getModifiers() &
Toolkit.getDefaultToolkit().getMenuShortcutKeyMask()) == 0);
}
});
threadDumpButton.setEnabled(takeThreadDumpSupported);
JPanel buttonsArea = new JPanel(new BorderLayout());
buttonsArea.setOpaque(false);
JPanel buttonsContainer = new JPanel(new BorderLayout(3, 0));
buttonsContainer.setBackground(area.getBackground());
buttonsContainer.setBorder(BorderFactory.createEmptyBorder(14, 8, 14, 8));
buttonsContainer.add(threadDumpButton, BorderLayout.EAST);
buttonsArea.add(buttonsContainer, BorderLayout.NORTH);
add(buttonsArea, BorderLayout.AFTER_LINE_ENDS);
if (application != null) {
application.notifyWhenRemoved(this);
application.addPropertyChangeListener(Stateful.PROPERTY_STATE,
WeakListeners.propertyChange(this, application));
}
}
private void updateThreadsCounts(final VisualVMThreadsDataManager threadsManager) {
final int[] threads = new int[2];
getWorker().post(new Runnable() {
public void run() {
try {
threads[0] = threadsManager.getThreadCount();
threads[1] = threadsManager.getDaemonThreadCount();
} catch (Exception ex) {
threads[0] = 0;
threads[1] = 0;
}
SwingUtilities.invokeLater(new Runnable() {
public void run() {
updateThreadsCounts(threads[0], threads[1]);
}
});
}
});
}
private void setAlertText(String alert) {
int selStart = alertArea.getSelectionStart();
int selEnd = alertArea.getSelectionEnd();
alertArea.setText("<center>"+alert+"</center>"); // NOI18N
alertArea.select(selStart, selEnd);
}
private void updateThreadsCounts(int liveThreads, int daemonThreads) {
StringBuilder data = new StringBuilder();
data.append("<b>" + LIVE_THRADS + ":</b> " + liveThreads + "<br>"); // NOI18N
data.append("<b>" + DAEMON_THREADS + ":</b> " + daemonThreads + "<br>"); // NOI18N
int selStart = area.getSelectionStart();
int selEnd = area.getSelectionEnd();
area.setText(data.toString());
area.select(selStart, selEnd);
}
private static synchronized RequestProcessor getWorker() {
if (worker == null) worker = new RequestProcessor("ThreadsWorker", 1); // NOI18N
return worker;
}
}
// --- Timeline ------------------------------------------------------------
private static class TimelineViewSupport extends JPanel {
TimelineViewSupport(VisualVMThreadsDataManager threadsManager) {
initComponents(threadsManager);
}
DataViewComponent.DetailsView getDetailsView() {
return new DataViewComponent.DetailsView(NbBundle.getMessage(ApplicationThreadsView.class, "LBL_Timeline"), null, 10, this, null); // NOI18N
}
private void initComponents(VisualVMThreadsDataManager threadsManager) {
setLayout(new BorderLayout());
setOpaque(false);
ThreadsPanel threadsPanel = new ThreadsPanel(threadsManager, null);
threadsPanel.threadsMonitoringEnabled();
JComponent toolbar = (JComponent)threadsPanel.getToolbar();
add(toolbar, BorderLayout.NORTH);
add(threadsPanel, BorderLayout.CENTER);
}
}
}