Mercurial > hg > release > thermostat-0.11
view host-memory/client-core/src/main/java/com/redhat/thermostat/host/memory/client/core/internal/HostMemoryController.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.memory.client.core.internal; import java.util.LinkedList; 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.Size; import com.redhat.thermostat.common.Timer; import com.redhat.thermostat.common.Timer.SchedulingType; import com.redhat.thermostat.host.memory.client.core.HostMemoryView; import com.redhat.thermostat.host.memory.client.core.HostMemoryViewProvider; import com.redhat.thermostat.host.memory.client.core.HostMemoryView.GraphVisibilityChangeListener; import com.redhat.thermostat.host.memory.client.locale.LocaleResources; import com.redhat.thermostat.host.memory.common.MemoryStatDAO; import com.redhat.thermostat.host.memory.common.model.MemoryStat; import com.redhat.thermostat.host.memory.common.model.MemoryType; 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; public class HostMemoryController implements InformationServiceController<HostRef> { private static final Translate<LocaleResources> translator = LocaleResources.createLocalizer(); private final HostMemoryView view; private final HostInfoDAO hostInfoDAO; private final MemoryStatDAO memoryStatDAO; private final HostRef ref; private final Timer backgroundUpdateTimer; private final GraphVisibilityChangeListener listener = new ShowHideGraph(); private long lastSeenTimeStamp = Long.MIN_VALUE; public HostMemoryController(ApplicationService appSvc, HostInfoDAO hostInfoDAO, MemoryStatDAO memoryStatDAO, final HostRef ref, HostMemoryViewProvider provider) { this.ref = ref; this.hostInfoDAO = hostInfoDAO; this.memoryStatDAO = memoryStatDAO; view = provider.createView(); view.addMemoryChart(MemoryType.MEMORY_TOTAL.name(), translator.localize(LocaleResources.HOST_MEMORY_TOTAL)); view.addMemoryChart(MemoryType.MEMORY_FREE.name(), translator.localize(LocaleResources.HOST_MEMORY_FREE)); view.addMemoryChart(MemoryType.MEMORY_USED.name(), translator.localize(LocaleResources.HOST_MEMORY_USED)); view.addMemoryChart(MemoryType.SWAP_TOTAL.name(), translator.localize(LocaleResources.HOST_SWAP_TOTAL)); view.addMemoryChart(MemoryType.SWAP_FREE.name(), translator.localize(LocaleResources.HOST_SWAP_FREE)); view.addMemoryChart(MemoryType.BUFFERS.name(), translator.localize(LocaleResources.HOST_BUFFERS)); view.addGraphVisibilityListener(listener); view.addActionListener(new ActionListener<HostMemoryView.Action>() { @Override public void actionPerformed(ActionEvent<Action> actionEvent) { switch (actionEvent.getActionId()) { case HIDDEN: stopBackgroundUpdates(); break; case VISIBLE: startBackgroundUpdates(); break; default: throw new NotImplementedException("action event not handled: " + actionEvent.getActionId()); } } }); backgroundUpdateTimer = appSvc.getTimerFactory().createTimer(); backgroundUpdateTimer.setAction(new Runnable() { @Override public void run() { long memorySize = HostMemoryController.this.hostInfoDAO.getHostInfo(ref).getTotalMemory(); view.setTotalMemory(Size.bytes(memorySize).toString()); doMemoryChartUpdate(); } }); backgroundUpdateTimer.setSchedulingType(SchedulingType.FIXED_RATE); backgroundUpdateTimer.setTimeUnit(TimeUnit.SECONDS); backgroundUpdateTimer.setInitialDelay(0); backgroundUpdateTimer.setDelay(5); } private void startBackgroundUpdates() { for (MemoryType type : MemoryType.values()) { view.showMemoryChart(type.name()); } backgroundUpdateTimer.start(); } private void stopBackgroundUpdates() { backgroundUpdateTimer.stop(); for (MemoryType type : MemoryType.values()) { view.hideMemoryChart(type.name()); } } public UIComponent getView() { return view; } private void doMemoryChartUpdate() { List<DiscreteTimeData<? extends Number>> memFree = new LinkedList<>(); List<DiscreteTimeData<? extends Number>> memTotal = new LinkedList<>(); List<DiscreteTimeData<? extends Number>> memUsed = new LinkedList<>(); List<DiscreteTimeData<? extends Number>> buf = new LinkedList<>(); List<DiscreteTimeData<? extends Number>> swapTotal = new LinkedList<>(); List<DiscreteTimeData<? extends Number>> swapFree = new LinkedList<>(); for (MemoryStat stat : memoryStatDAO.getLatestMemoryStats(ref, lastSeenTimeStamp)) { long timeStamp = stat.getTimeStamp(); memFree.add(new DiscreteTimeData<Long>(timeStamp, stat.getFree())); memTotal.add(new DiscreteTimeData<Long>(timeStamp, stat.getTotal())); memUsed.add(new DiscreteTimeData<Long>(timeStamp, stat.getTotal() - stat.getFree())); buf.add(new DiscreteTimeData<Long>(timeStamp, stat.getBuffers())); swapTotal.add(new DiscreteTimeData<Long>(timeStamp, stat.getSwapTotal())); swapFree.add(new DiscreteTimeData<Long>(timeStamp, stat.getSwapFree())); lastSeenTimeStamp = Math.max(lastSeenTimeStamp, stat.getTimeStamp()); } view.addMemoryData(MemoryType.MEMORY_FREE.name(), memFree); view.addMemoryData(MemoryType.MEMORY_TOTAL.name(), memTotal); view.addMemoryData(MemoryType.MEMORY_USED.name(), memUsed); view.addMemoryData(MemoryType.BUFFERS.name(), buf); view.addMemoryData(MemoryType.SWAP_FREE.name(), swapFree); view.addMemoryData(MemoryType.SWAP_TOTAL.name(), swapTotal); } private class ShowHideGraph implements GraphVisibilityChangeListener { @Override public void show(String tag) { view.showMemoryChart(tag); } @Override public void hide(String tag) { view.hideMemoryChart(tag); } } @Override public LocalizedString getLocalizedName() { return translator.localize(LocaleResources.HOST_INFO_TAB_MEMORY); } }