Mercurial > hg > release > thermostat-1.0
view system-backend/src/main/java/com/redhat/thermostat/backend/system/SystemBackend.java @ 1369:d532e4b839c3
Rename c.r.t.utils.username to c.r.t.agent.utils.username
Reviewed-by: vanaltj
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2013-November/008945.html
author | Omair Majid <omajid@redhat.com> |
---|---|
date | Mon, 25 Nov 2013 19:03:54 -0500 |
parents | ad1f6b074c0c |
children | a0592d702416 |
line wrap: on
line source
/* * 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.backend.system; import java.net.URISyntaxException; import java.util.Timer; import java.util.TimerTask; import java.util.logging.Level; import java.util.logging.Logger; import sun.jvmstat.monitor.HostIdentifier; import sun.jvmstat.monitor.MonitorException; import sun.jvmstat.monitor.MonitoredHost; import com.redhat.thermostat.agent.VmBlacklist; import com.redhat.thermostat.agent.utils.ProcDataSource; import com.redhat.thermostat.agent.utils.username.UserNameUtil; import com.redhat.thermostat.backend.BaseBackend; import com.redhat.thermostat.common.Version; import com.redhat.thermostat.common.utils.LoggingUtils; import com.redhat.thermostat.storage.core.HostRef; import com.redhat.thermostat.storage.core.WriterID; import com.redhat.thermostat.storage.dao.HostInfoDAO; import com.redhat.thermostat.storage.dao.NetworkInterfaceInfoDAO; import com.redhat.thermostat.storage.dao.VmInfoDAO; import com.redhat.thermostat.storage.model.HostInfo; import com.redhat.thermostat.storage.model.NetworkInterfaceInfo; public class SystemBackend extends BaseBackend { private static final Logger logger = LoggingUtils.getLogger(SystemBackend.class); private HostInfoDAO hostInfos; private NetworkInterfaceInfoDAO networkInterfaces; private VmInfoDAO vmInfoDAO; private long procCheckInterval = 1000; // TODO make this configurable. private Timer timer = null; private HostIdentifier hostId = null; private MonitoredHost host = null; private JvmStatHostListener hostListener = null; private final NetworkInfoBuilder networkInfoBuilder; private final HostInfoBuilder hostInfoBuilder; private final ProcessUserInfoBuilder userInfoBuilder; private final VmStatusChangeNotifier notifier; private final WriterID writerId; private final VmBlacklist blacklist; public SystemBackend(HostInfoDAO hostInfoDAO, NetworkInterfaceInfoDAO netInfoDAO, VmInfoDAO vmInfoDAO, Version version, VmStatusChangeNotifier notifier, UserNameUtil userNameUtil, WriterID writerId, VmBlacklist blacklist) { super("System Backend", "Gathers basic information from the system", "Red Hat, Inc.", version.getVersionNumber(), true); this.hostInfos = hostInfoDAO; this.networkInterfaces = netInfoDAO; this.vmInfoDAO = vmInfoDAO; this.notifier = notifier; this.writerId = writerId; this.blacklist = blacklist; ProcDataSource source = new ProcDataSource(); hostInfoBuilder = new HostInfoBuilder(source, writerId); networkInfoBuilder = new NetworkInfoBuilder(writerId); userInfoBuilder = new ProcessUserInfoBuilder(source, userNameUtil); } @Override public synchronized boolean activate() { if (timer != null) { return true; } if (!getObserveNewJvm()) { logger.fine("not monitoring new vms"); } HostInfo hostInfo = hostInfoBuilder.build(); hostInfos.putHostInfo(hostInfo); timer = new Timer(); timer.scheduleAtFixedRate(new TimerTask() { @Override public void run() { for (NetworkInterfaceInfo info: networkInfoBuilder.build()) { networkInterfaces.putNetworkInterfaceInfo(info); } } }, 0, procCheckInterval); try { hostId = new HostIdentifier((String) null); HostRef hostRef = new HostRef(hostInfo.getAgentId(), hostInfo.getHostname()); hostListener = new JvmStatHostListener(vmInfoDAO, notifier, userInfoBuilder, writerId, hostRef, blacklist); host = MonitoredHost.getMonitoredHost(hostId); host.addHostListener(hostListener); } catch (MonitorException me) { logger.log(Level.WARNING, "problems with connecting jvmstat to local machine", me); } catch (URISyntaxException use) { logger.log(Level.WARNING, "problems with connecting jvmstat to local machine", use); } return true; } @Override public synchronized boolean deactivate() { if (timer == null) { return true; } timer.cancel(); timer = null; try { host.removeHostListener(hostListener); } catch (MonitorException me) { logger.log(Level.INFO, "something went wrong in jvmstat's listening to this host"); } host = null; hostId = null; return true; } @Override public synchronized boolean isActive() { return (timer != null); } @Override public int getOrderValue() { return ORDER_DEFAULT_GROUP; } }