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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
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*
* 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.modules.buffermonitor;
import com.sun.tools.visualvm.application.Application;
import com.sun.tools.visualvm.charts.ChartFactory;
import com.sun.tools.visualvm.charts.SimpleXYChartDescriptor;
import com.sun.tools.visualvm.charts.SimpleXYChartSupport;
import com.sun.tools.visualvm.core.datasupport.DataRemovedListener;
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.tools.jmx.JmxModel;
import com.sun.tools.visualvm.tools.jmx.JmxModelFactory;
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Iterator;
import java.util.List;
import java.util.logging.Logger;
import javax.management.Attribute;
import javax.management.MBeanServerConnection;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import javax.swing.Timer;
import javax.swing.ImageIcon;
import javax.swing.JPanel;
import org.openide.util.ImageUtilities;
import org.openide.util.NbBundle;
import org.openide.util.RequestProcessor;
/**
* @author Tomas Hurka
*/
class BufferMonitorView extends DataSourceView implements DataRemovedListener<Application> {
private static final String IMAGE_PATH = "com/sun/tools/visualvm/modules/buffermonitor/resources/monitor.png"; // NOI18N
private static final Logger LOGGER = Logger.getLogger(BufferMonitorView.class.getName());
private Timer timer;
private Application application;
private boolean refreshRunning;
public BufferMonitorView(Application application) {
super(application, NbBundle.getMessage(BufferMonitorView.class, "Buffer_Pools"), new ImageIcon(ImageUtilities.loadImage(IMAGE_PATH, true)).getImage(), 60, false); // NOI18N
this.application = application;
}
@Override
protected void removed() {
timer.stop();
}
protected DataViewComponent createComponent() {
DataViewComponent dvc = new DataViewComponent(
new MasterViewSupport(application).getMasterView(),
new DataViewComponent.MasterViewConfiguration(false));
JmxModel jmx = JmxModelFactory.getJmxModelFor(application);
String title = NbBundle.getMessage(BufferMonitorView.class, "LBL_DIRECT"); // NOI18N
final BufferMonitorViewSupport directBufferViewSupport = new BufferMonitorViewSupport(jmx, title, BufferMonitorViewProvider.DIRECT_BUFFER_NAME);
dvc.configureDetailsArea(new DataViewComponent.DetailsAreaConfiguration(title, true), DataViewComponent.TOP_LEFT);
dvc.addDetailsView(directBufferViewSupport.getDetailsView(), DataViewComponent.TOP_LEFT);
title = NbBundle.getMessage(BufferMonitorView.class, "LBL_MAPPED"); // NOI18N
final BufferMonitorViewSupport mappedBufferViewSupport = new BufferMonitorViewSupport(jmx, title, BufferMonitorViewProvider.MAPPED_BUFFER_NAME);
dvc.configureDetailsArea(new DataViewComponent.DetailsAreaConfiguration(title, true), DataViewComponent.TOP_RIGHT);
dvc.addDetailsView(mappedBufferViewSupport.getDetailsView(), DataViewComponent.TOP_RIGHT);
timer = new Timer(GlobalPreferences.sharedInstance().getMonitoredDataPoll() * 1000, new ActionListener() {
public void actionPerformed(ActionEvent e) {
if (refreshRunning) {
return;
}
refreshRunning = true;
RequestProcessor.getDefault().post(new Runnable() {
public void run() {
try {
if (application.getState() == Application.STATE_AVAILABLE) {
final long time = System.currentTimeMillis();
directBufferViewSupport.refresh(time);
mappedBufferViewSupport.refresh(time);
}
} catch (Exception ex) {
LOGGER.throwing(BufferMonitorView.class.getName(), "refresh", ex); // NOI18N
} finally {
refreshRunning = false;
}
}
});
}
});
timer.setInitialDelay(800);
timer.start();
getDataSource().notifyWhenRemoved(this);
return dvc;
}
public void dataRemoved(Application app) {
timer.stop();
}
private static class MasterViewSupport extends JPanel {
public MasterViewSupport(Application app) {
initComponents(app);
}
public DataViewComponent.MasterView getMasterView() {
return new DataViewComponent.MasterView(NbBundle.getMessage(BufferMonitorView.class, "Buffer_Pools"), null, this); // NOI18N
}
private void initComponents(Application app) {
setLayout(new BorderLayout());
setOpaque(false);
}
String getGeneralInfo(Application app) {
return "";
}
}
private static class BufferMonitorViewSupport extends JPanel {
private static final String MEMORY_USED = NbBundle.getMessage(BufferMonitorView.class, "LBL_Memory_Used"); // NOI18N
private static final String TOTAL_CAPACITY = NbBundle.getMessage(BufferMonitorView.class, "LBL_Total_Capacity"); // NOI18N
private static final String COUNT = NbBundle.getMessage(BufferMonitorView.class, "LBL_Count"); // NOI18N
private SimpleXYChartSupport chartSupport;
private final String TITLE;
private ObjectName bufferObjectName;
private final MBeanServerConnection conn;
private final String[] attributes = {"Count","MemoryUsed","TotalCapacity"}; // NOI18N
public BufferMonitorViewSupport(JmxModel jmx, String title, String bufferName) {
GlobalPreferences preferences = GlobalPreferences.sharedInstance();
int chartCache = preferences.getMonitoredDataCache() * 60 /
preferences.getMonitoredDataPoll();
conn = jmx.getMBeanServerConnection();
try {
bufferObjectName = new ObjectName(bufferName);
} catch (MalformedObjectNameException ex) {
ex.printStackTrace();
}
TITLE = title;
initModels(chartCache);
initComponents();
}
public DataViewComponent.DetailsView getDetailsView() {
return new DataViewComponent.DetailsView(TITLE, null, 10, this, null);
}
public void refresh(long time) {
long count = 0;
long memoryUsed = 0;
long totalCapacity = 0;
List attrs;
try {
attrs = conn.getAttributes(bufferObjectName, attributes);
} catch (Exception ex) {
ex.printStackTrace();
return;
}
Iterator attrIt = attrs.iterator();
while(attrIt.hasNext()) {
Attribute attrib = (Attribute) attrIt.next();
String name = attrib.getName();
if (attributes[0].equals(name)) {
count = ((Long)attrib.getValue()).longValue();
} else if (attributes[1].equals(name)) {
memoryUsed = ((Long)attrib.getValue()).longValue();
} else if (attributes[2].equals(name)) {
totalCapacity = ((Long)attrib.getValue()).longValue();
}
}
chartSupport.addValues(time, new long[] { memoryUsed, totalCapacity });
chartSupport.updateDetails(new String[] { chartSupport.formatBytes(memoryUsed),
chartSupport.formatBytes(totalCapacity),
chartSupport.formatDecimal(count)});
}
private void initModels(int chartCache) {
SimpleXYChartDescriptor chartDescriptor =
SimpleXYChartDescriptor.bytes(10 * 1024 * 1024, false, chartCache);
chartDescriptor.addLineFillItems(MEMORY_USED, TOTAL_CAPACITY);
chartDescriptor.setDetailsItems(new String[] { MEMORY_USED, TOTAL_CAPACITY, COUNT });
chartSupport = ChartFactory.createSimpleXYChart(chartDescriptor);
}
private void initComponents() {
setLayout(new BorderLayout());
setOpaque(false);
add(chartSupport.getChart(), BorderLayout.CENTER);
}
}
}