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/* $Id: metrictest.java $ */
/*!file
* Sample of performance API usage, written in Java.
*
* Don't forget to run VBOX webserver
* with 'vboxwebsrv -t 1000' command, to calm down watchdog thread.
*
* The following license applies to this file only:
*/
/*
* Copyright (C) 2008-2020 Oracle Corporation
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
import com.sun.xml.ws.commons.virtualbox{VBOX_API_SUFFIX}.*;
import java.util.*;
import javax.xml.ws.Holder;
class PerformanceData
{
public String name;
public IUnknown object;
public String unit;
public Long scale;
public Long sequenceNumber;
public List<Long> samples;
public String getFormattedSamples()
{
String out = "[";
String separator = "";
if (scale != 1)
{
for (Long sample : samples)
{
out += separator + (sample.doubleValue() / scale) + " " + unit;
separator = ", ";
}
}
else
{
for (Long sample : samples)
{
out += separator + sample.toString() + " " + unit;
separator = ", ";
}
}
out += "]";
return out;
}
}
class PerformanceCollector
{
private IVirtualBox _vbox;
private IPerformanceCollector _collector;
public PerformanceCollector(IVirtualBox vbox)
{
_vbox = vbox;
_collector = vbox.getPerformanceCollector();
}
public void cleanup()
{
_collector.releaseRemote();
}
public List<IPerformanceMetric> setup(List<String> metricNames, List<IUnknown> objects, Long period, Long samples)
{
return _collector.setupMetrics(metricNames, objects, period, samples);
}
public List<IPerformanceMetric> enable(List<String> metricNames, List<IUnknown> objects)
{
return _collector.enableMetrics(metricNames, objects);
}
public List<IPerformanceMetric> disable(List<String> metricNames, List<IUnknown> objects)
{
return _collector.disableMetrics(metricNames, objects);
}
public List<PerformanceData> query(List<String> filterMetrics, List<IUnknown> filterObjects)
{
Holder<List<String>> names = new Holder<List<String>>();
Holder<List<IUnknown>> objects = new Holder<List<IUnknown>>();
Holder<List<String>> units = new Holder<List<String>>();
Holder<List<Long>> scales = new Holder<List<Long>>();
Holder<List<Long>> sequenceNumbers = new Holder<List<Long>>();
Holder<List<Long>> indices = new Holder<List<Long>>();
Holder<List<Long>> lengths = new Holder<List<Long>>();
List<Integer> values =
_collector.queryMetricsData(filterMetrics, filterObjects,
names, objects, units, scales, sequenceNumbers, indices, lengths);
List<PerformanceData> data = new ArrayList<PerformanceData>(names.value.size());
for (int i = 0; i < names.value.size(); i++)
{
PerformanceData singleMetricData = new PerformanceData();
singleMetricData.name = names.value.get(i);
singleMetricData.object = objects.value.get(i);
singleMetricData.unit = units.value.get(i);
singleMetricData.scale = scales.value.get(i);
singleMetricData.sequenceNumber = sequenceNumbers.value.get(i);
List<Long> samples = new ArrayList<Long>(lengths.value.get(i).intValue());
for (int j = 0; j < lengths.value.get(i); j++)
{
samples.add(values.get(indices.value.get(i).intValue() + j).longValue());
}
singleMetricData.samples = samples;
data.add(singleMetricData);
}
return data;
}
}
public class metrictest implements Runnable
{
IVirtualBox vbox;
IWebsessionManager mgr;
PerformanceCollector perf;
public metrictest()
{
mgr = new IWebsessionManager("http://localhost:18083/");
vbox = mgr.logon("test", "test");
System.out.println("Initialized connection to VirtualBox version " + vbox.getVersion());
perf = new PerformanceCollector(vbox);
}
private String getObjectName(IUnknown object)
{
try
{
String machineName = object.getRemoteWSPort().iMachineGetName(object.getRef());
return machineName;
} catch (Exception e)
{
}
return new String("host");
}
public void setup()
{
perf.setup(Arrays.asList(new String[]{"*"}),
new ArrayList<IUnknown>(),
new Long(1), new Long(5));
}
public void collect()
{
try
{
List<IUnknown> allObjects = new ArrayList<IUnknown>();
List<PerformanceData> metricData = perf.query(Arrays.asList(new String[]{"*"}),
allObjects);
for (PerformanceData md : metricData)
{
System.out.println("(" + getObjectName(md.object) + ") " +
md.name + " " + md.getFormattedSamples());
}
}
catch (Exception e)
{
e.printStackTrace();
}
}
public void run()
{
// Clean up
try
{
if (perf != null)
{
perf.cleanup();
perf = null;
}
if (vbox != null)
{
mgr.logoff(vbox);
vbox = null;
mgr = null;
System.out.println("Logged off.");
}
}
catch (Exception e)
{
e.printStackTrace();
}
}
public static void main(String[] args) throws InterruptedException
{
metrictest c = new metrictest();
// Add a shutdown handle to clean up
Runtime.getRuntime().addShutdownHook(new Thread(c));
// Start metric collection
c.setup();
// Obtain and print out stats continuously until ctrl-C is pressed
while (true)
{
Thread.sleep(1000); // Sleep for a second
c.collect();
}
}
}
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