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* particular file as subject to the "Classpath" exception as provided
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* 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).
*
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package com.sun.tools.visualvm.jvmstat;
import com.sun.tools.visualvm.core.model.AbstractModelProvider;
import com.sun.tools.visualvm.application.Application;
import com.sun.tools.visualvm.core.options.GlobalPreferences;
import com.sun.tools.visualvm.jvmstat.application.JvmstatApplicationProvider;
import com.sun.tools.visualvm.tools.jvmstat.JvmstatModel;
import java.net.URISyntaxException;
import java.util.logging.Level;
import java.util.logging.Logger;
import sun.jvmstat.monitor.MonitorException;
import sun.jvmstat.monitor.MonitoredHost;
import sun.jvmstat.monitor.MonitoredVm;
import sun.jvmstat.monitor.VmIdentifier;
/**
*
* @author Tomas Hurka
*/
public class JvmstatModelProvider extends AbstractModelProvider<JvmstatModel, Application> {
private final static Logger LOGGER = Logger.getLogger(JvmstatModelProvider.class.getName());
static MonitoredVm getMonitoredVm(Application app) throws MonitorException {
if (app.isRemoved() || app.getPid() == Application.UNKNOWN_PID) return null;
String vmId = "//" + app.getPid(); // NOI18N
try {
MonitoredHost monitoredHost = JvmstatApplicationProvider.findMonitoredHost(app);
if (monitoredHost != null) {
int refreshInterval = GlobalPreferences.sharedInstance().getMonitoredDataPoll() * 1000;
return monitoredHost.getMonitoredVm(new VmIdentifier(vmId),refreshInterval);
}
} catch (URISyntaxException ex) {
LOGGER.log(Level.WARNING,ex.getLocalizedMessage(),ex);
} catch (Exception ex) {
// MonitoredHostProvider.getMonitoredVm can throw java.lang.Exception on Windows,
// when opening shared memory file (java.lang.Exception: Could not open PerfMemory)
LOGGER.log(Level.INFO,"getMonitoredVm failed",ex); // NOI18N
}
return null;
}
public JvmstatModel createModelFor(Application app) {
MonitoredVm vm = null;
try {
vm = getMonitoredVm(app);
if (vm != null) {
// check that the target VM is accessible
if (vm.findByName("java.property.java.vm.version") != null) { // NOI18N
JvmstatModelImpl jvmstat = new JvmstatModelImpl(app,vm);
app.notifyWhenRemoved(jvmstat);
return jvmstat;
} else {
LOGGER.log(Level.INFO, "java.property.java.vm.version is null"); // NOI18N
}
}
} catch (MonitorException ex) {
LOGGER.log(Level.INFO, "Could not get MonitoredVM", ex); // NOI18N
}
if (vm != null) {
vm.detach();
}
return null;
}
}