java/jax-ws/metrictest.java

db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync/*
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync * Sample of performance API usage, written in Java.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * Don't forget to run VBOX webserver
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * with 'vboxwebsrv -t 1000' command, to calm down watchdog thread.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync *
5c65eaa08f2ec993a19c9bef6e5463918e40e0ebvboxsync * Copyright (C) 2008-2010 Oracle Corporation
d49b73f15b22afbcca4b0335bd8d0aef2c891a78vboxsync *
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * The following license applies to this file only:
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync *
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * Permission is hereby granted, free of charge, to any person
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * obtaining a copy of this software and associated documentation
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * files (the "Software"), to deal in the Software without
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * restriction, including without limitation the rights to use,
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * copy, modify, merge, publish, distribute, sublicense, and/or
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * sell copies of the Software, and to permit persons to whom the
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * Software is furnished to do so, subject to the following conditions:
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync *
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * The above copyright notice and this permission notice shall be
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * included in all copies or substantial portions of the Software.
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync *
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync * OTHER DEALINGS IN THE SOFTWARE.
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync */
98bfcb808aa93fe8b532eb38da1f15a795a85f6dvboxsyncimport com.sun.xml.ws.commons.virtualbox{VBOX_API_SUFFIX}.*;
98bfcb808aa93fe8b532eb38da1f15a795a85f6dvboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncimport java.util.*;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncimport javax.xml.ws.Holder;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncclass PerformanceData
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public String name;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public IUnknown object;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public String unit;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public Long scale;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public Long sequenceNumber;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public List<Long> samples;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public String getFormattedSamples()
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        String out = "[";
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        String separator = "";
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        if (scale != 1)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            for (Long sample : samples)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                out += separator + (sample.doubleValue() / scale) + " " + unit;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                separator = ", ";
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        else
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            for (Long sample : samples)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                out += separator + sample.toString() + " " + unit;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                separator = ", ";
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        out += "]";
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        return out;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncclass PerformanceCollector
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    private IVirtualBox  _vbox;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    private IPerformanceCollector _collector;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public PerformanceCollector(IVirtualBox vbox)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        _vbox = vbox;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        _collector = vbox.getPerformanceCollector();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public void cleanup()
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        _collector.releaseRemote();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public List<IPerformanceMetric> setup(List<String> metricNames, List<IUnknown> objects, Long period, Long samples)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        return _collector.setupMetrics(metricNames, objects, period, samples);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public List<IPerformanceMetric> enable(List<String> metricNames, List<IUnknown> objects)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        return _collector.enableMetrics(metricNames, objects);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public List<IPerformanceMetric> disable(List<String> metricNames, List<IUnknown> objects)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        return _collector.disableMetrics(metricNames, objects);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public List<PerformanceData> query(List<String> filterMetrics, List<IUnknown> filterObjects)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        Holder<List<String>> names = new Holder<List<String>>();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        Holder<List<IUnknown>> objects = new Holder<List<IUnknown>>();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        Holder<List<String>> units = new Holder<List<String>>();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        Holder<List<Long>> scales =  new Holder<List<Long>>();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        Holder<List<Long>> sequenceNumbers =  new Holder<List<Long>>();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        Holder<List<Long>> indices =  new Holder<List<Long>>();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        Holder<List<Long>> lengths =  new Holder<List<Long>>();
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync        List<Integer> values =
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            _collector.queryMetricsData(filterMetrics, filterObjects,
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                                        names, objects, units, scales, sequenceNumbers, indices, lengths);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        List<PerformanceData> data = new ArrayList<PerformanceData>(names.value.size());
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        for (int i = 0; i < names.value.size(); i++)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            PerformanceData singleMetricData = new PerformanceData();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            singleMetricData.name = names.value.get(i);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            singleMetricData.object = objects.value.get(i);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            singleMetricData.unit = units.value.get(i);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            singleMetricData.scale = scales.value.get(i);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            singleMetricData.sequenceNumber = sequenceNumbers.value.get(i);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            List<Long> samples = new ArrayList<Long>(lengths.value.get(i).intValue());
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            for (int j = 0; j < lengths.value.get(i); j++)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                samples.add(values.get(indices.value.get(i).intValue() + j).longValue());
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            singleMetricData.samples = samples;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            data.add(singleMetricData);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        return data;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsyncpublic class metrictest implements Runnable
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync{
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    IVirtualBox vbox;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    IWebsessionManager mgr;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    PerformanceCollector perf;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public metrictest()
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    {
06bff36cb61120e53cf4de70b75f3417697f0151vboxsync        mgr = new IWebsessionManager("http://localhost:18083/");
06bff36cb61120e53cf4de70b75f3417697f0151vboxsync        vbox = mgr.logon("test", "test");
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        System.out.println("Initialized connection to VirtualBox version " + vbox.getVersion());
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        perf = new PerformanceCollector(vbox);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    private String getObjectName(IUnknown object)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        try
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            String machineName = object.getRemoteWSPort().iMachineGetName(object.getRef());
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            return machineName;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        } catch (Exception e)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        return new String("host");
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public void setup()
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        perf.setup(Arrays.asList(new String[]{"*"}),
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                   new ArrayList<IUnknown>(),
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                   new Long(1), new Long(5));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public void collect()
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        try
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            List<IUnknown> allObjects = new ArrayList<IUnknown>();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            List<PerformanceData> metricData = perf.query(Arrays.asList(new String[]{"*"}),
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                                                          allObjects);
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync            for (PerformanceData md : metricData)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                System.out.println("(" + getObjectName(md.object) + ") " +
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                                   md.name + " " + md.getFormattedSamples());
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        catch (Exception e)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            e.printStackTrace();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public void run()
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        // Clean up
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        try
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            if (perf != null)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                perf.cleanup();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                perf = null;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            if (vbox != null)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                mgr.logoff(vbox);
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                vbox = null;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                mgr = null;
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync                System.out.println("Logged off.");
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        catch (Exception e)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            e.printStackTrace();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    }
c1ca21ba335f4d6a24c34cb6fa07fa8e5ac55cc7vboxsync
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    public static void main(String[] args) throws InterruptedException
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        metrictest c = new metrictest();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        // Add a shutdown handle to clean up
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        Runtime.getRuntime().addShutdownHook(new Thread(c));
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        // Start metric collection
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        c.setup();
ad27e1d5e48ca41245120c331cc88b50464813cevboxsync        // Obtain and print out stats continuously until ctrl-C is pressed
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        while (true)
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        {
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            Thread.sleep(1000); // Sleep for a second
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync            c.collect();
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync        }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync    }
db3dbd0ed7eb69f804a8921fa23a1267ea01f46evboxsync}