Mercurial > hg > release > thermostat-0.11
view host-cpu/client-core/src/main/java/com/redhat/thermostat/host/cpu/client/core/internal/HostCpuController.java @ 1121:edb423d5d5a0
Statically load natives (+move configuration into separate module).
Reviewed-by: neugens, omajid
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-May/006657.html
author | Severin Gehwolf <sgehwolf@redhat.com> |
---|---|
date | Mon, 27 May 2013 14:12:48 +0200 |
parents | c469675494d7 |
children |
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/* * Copyright 2012, 2013 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat 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 for more details. * * You should have received a copy of the GNU General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.host.cpu.client.core.internal; import java.util.ArrayList; import java.util.List; import java.util.concurrent.TimeUnit; import com.redhat.thermostat.client.core.controllers.InformationServiceController; import com.redhat.thermostat.client.core.views.BasicView.Action; import com.redhat.thermostat.client.core.views.UIComponent; import com.redhat.thermostat.common.ActionEvent; import com.redhat.thermostat.common.ActionListener; import com.redhat.thermostat.common.ApplicationService; import com.redhat.thermostat.common.NotImplementedException; import com.redhat.thermostat.common.Timer; import com.redhat.thermostat.common.Timer.SchedulingType; import com.redhat.thermostat.host.cpu.client.core.HostCpuView; import com.redhat.thermostat.host.cpu.client.core.HostCpuViewProvider; import com.redhat.thermostat.host.cpu.client.locale.LocaleResources; import com.redhat.thermostat.host.cpu.common.CpuStatDAO; import com.redhat.thermostat.host.cpu.common.model.CpuStat; import com.redhat.thermostat.shared.locale.LocalizedString; import com.redhat.thermostat.shared.locale.Translate; import com.redhat.thermostat.storage.core.HostRef; import com.redhat.thermostat.storage.dao.HostInfoDAO; import com.redhat.thermostat.storage.model.DiscreteTimeData; import com.redhat.thermostat.storage.model.HostInfo; public class HostCpuController implements InformationServiceController<HostRef> { private static final Translate<LocaleResources> translator = LocaleResources.createLocalizer(); private final HostCpuView view; private final Timer backgroundUpdateTimer; private final HostInfoDAO hostInfoDAO; private final CpuStatDAO cpuStatDAO; private final HostRef ref; private int chartsAdded = 0; private long lastSeenTimeStamp = Long.MIN_VALUE; public HostCpuController(ApplicationService appSvc, HostInfoDAO hostInfoDao, CpuStatDAO cpuStatDAO, HostRef ref, HostCpuViewProvider provider) { this.ref = ref; view = provider.createView(); view.clearCpuUsageData(); this.hostInfoDAO = hostInfoDao; this.cpuStatDAO = cpuStatDAO; backgroundUpdateTimer = appSvc.getTimerFactory().createTimer(); backgroundUpdateTimer.setAction(new Runnable() { @Override public void run() { updateView(); } }); backgroundUpdateTimer.setInitialDelay(0); backgroundUpdateTimer.setDelay(5); backgroundUpdateTimer.setTimeUnit(TimeUnit.SECONDS); backgroundUpdateTimer.setSchedulingType(SchedulingType.FIXED_RATE); view.addActionListener(new ActionListener<HostCpuView.Action>() { @Override public void actionPerformed(ActionEvent<Action> actionEvent) { switch (actionEvent.getActionId()) { case VISIBLE: start(); break; case HIDDEN: stop(); break; default: throw new NotImplementedException("unhandled action: " + actionEvent.getActionId()); } } }); } // TODO: Consider doing this in a background thread (move to view and use SwingWorker or such). private void updateView() { HostInfo hostInfo = hostInfoDAO.getHostInfo(ref); view.setCpuCount(String.valueOf(hostInfo.getCpuCount())); view.setCpuModel(hostInfo.getCpuModel()); doCpuChartUpdate(); } private void start() { backgroundUpdateTimer.start(); } private void stop() { backgroundUpdateTimer.stop(); } private void doCpuChartUpdate() { List<CpuStat> cpuStats = cpuStatDAO.getLatestCpuStats(ref, lastSeenTimeStamp); List<List<DiscreteTimeData<Double>>> results = new ArrayList<>(); for (CpuStat stat : cpuStats) { double[] data = stat.getPerProcessorUsage(); for (int i = 0 ; i < data.length; i++) { if (results.size() == i) { results.add(new ArrayList<DiscreteTimeData<Double>>()); } results.get(i).add(new DiscreteTimeData<Double>(stat.getTimeStamp(), data[i])); lastSeenTimeStamp = Math.max(lastSeenTimeStamp, stat.getTimeStamp()); } } for (int i = 0; i < results.size(); i++) { if (i == chartsAdded) { view.addCpuUsageChart(i, translator.localize(LocaleResources.HOST_CPU_ID, String.valueOf(i))); chartsAdded++; } view.addCpuUsageData(i, results.get(i)); } } public UIComponent getView() { return view; } @Override public LocalizedString getLocalizedName() { return translator.localize(LocaleResources.HOST_INFO_TAB_CPU); } }