/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.monitor.services;
import javax.management.Notification;
import org.jboss.logging.Logger;
import org.jboss.monitor.alarm.Alarm;
import org.jboss.monitor.alarm.AlarmHelper;
import org.jboss.monitor.alarm.AlarmNotification;
import org.jboss.monitor.alarm.AlarmTable;
import org.jboss.monitor.alarm.AlarmTableNotification;
import org.jboss.system.ListenerServiceMBeanSupport;
import org.jboss.util.Strings;
import EDU.oswego.cs.dl.util.concurrent.SynchronizedLong;
/**
* ActiveAlarmTable
*
* @jmx:mbean
* extends="org.jboss.system.ListenerServiceMBean"
*
* @author <a href="mailto:dimitris@jboss.org">Dimitris Andreadis</a>
* @version $Revision: 91804 $
*/
public class ActiveAlarmTable extends ListenerServiceMBeanSupport
implements ActiveAlarmTableMBean
{
// Private Data --------------------------------------------------
/** Number of processed JMX notifications */
private SynchronizedLong notificationCount;
private volatile Logger.Level level = Logger.Level.INFO;
/** alarm table */
AlarmTable almtab = new AlarmTable(this);
// Constructors --------------------------------------------------
/**
* CTOR
*/
public ActiveAlarmTable()
{
notificationCount = new SynchronizedLong(0);
almtab.setServerId(Alarm.DEFAULT_SERVER_ID);
almtab.setMaxSize(1000);
}
// Attributes ----------------------------------------------------
/**
* @jmx:managed-attribute
*/
public int getActiveAlarmCount()
{
return almtab.getAlarmSize();
}
/**
* @jmx:managed-attribute
*/
public long getNotificationsReceived()
{
return notificationCount.get();
}
/**
* @jmx:managed-attribute
*/
public void setServerId(String serverId)
{
if (serverId != null)
{
almtab.setServerId(serverId);
}
}
/**
* @jmx:managed-attribute
*/
public void setMaxTableSize(int maxSize)
{
almtab.setMaxSize(maxSize);
}
/**
* @jmx:managed-attribute
*/
public int getMaxTableSize()
{
return almtab.getMaxSize();
}
/**
* @jmx:managed-attribute
*/
public String getServerId()
{
return almtab.getServerId();
}
/**
* @jmx:managed-attribute
*/
public void setLogLevel(String logLevel)
{
level = Logger.Level.valueOf(logLevel);
}
/**
* @jmx:managed-attribute
*/
public String getLogLevel()
{
return level.name();
}
// Operations ----------------------------------------------------
/**
* Acknowledge all
*
* @jmx:managed-operation
*
* @return number of acknowledged alarms
*/
public int acknowledgeAll(String user, String system)
{
AlarmTableNotification[] atns = almtab.getAlarmTable();
int acked = 0;
for (int i = 0; i < atns.length; ++i)
{
AlarmTableNotification atn = atns[i];
String alarmId = atn.getAlarmId();
if (almtab.acknowledge(alarmId, user, system))
{
++acked;
}
}
return acked;
}
/**
* Uncknowledge all
*
* @jmx:managed-operation
*
* @return number of unacknowledged alarms
*/
public int unacknowledgeAll(String user, String system)
{
AlarmTableNotification[] atns = almtab.getAlarmTable();
int unacked = 0;
for (int i = 0; i < atns.length; ++i)
{
AlarmTableNotification atn = atns[i];
String alarmId = atn.getAlarmId();
if (almtab.unacknowledge(alarmId, user, system))
{
++unacked;
}
}
return unacked;
}
/**
* Acknowledge an Alarm
*
* @jmx:managed-operation
*
* @return true if ack was succesful, false otherwise
* (not in table or acked already)
*/
public boolean acknowledge(String alarmId, String user, String system)
{
return almtab.acknowledge(alarmId, user, system);
}
/**
* Unacknowledge an Alarm
*
* @jmx:managed-operation
*
* @return true if unack was succesful, false otherwise
* (not in table or unacked already)
*/
public boolean unacknowledge(String alarmId, String user, String system)
{
return almtab.unacknowledge(alarmId, user, system);
}
/**
* Gets the ActiveAlarmTable
*
* @jmx:managed-operation
*/
public AlarmTableNotification[] fetchAlarmTable()
{
return this.almtab.getAlarmTable();
}
/**
* Gets the ActiveAlarmTable as Html
*
* @jmx:managed-operation
*/
public String fetchAlarmTableAsHtml()
{
AlarmTableNotification[] tab = almtab.getAlarmTable();
StringBuffer sbuf = new StringBuffer(8192);
sbuf.append("<p>Number of Alarms: ").append(tab.length).append("</p>").append("\n");
sbuf.append("<table border=\"1\">").append("\n");
sbuf.append("<tr>");
sbuf.append("<th width=\"20%\">AlarmInfo</th>");
sbuf.append("<th>NotificationInfo</th>");
sbuf.append("</tr>").append("\n");
for (int i = 0; i < tab.length; i++)
{
AlarmTableNotification atn = tab[i];
Notification n = (Notification)atn.getUserData();
Object source = AlarmNotification.getEffectiveSource(n);
sbuf.append("<tr>");
sbuf.append("<td>")
.append("alarmId: ").append(atn.getAlarmId()).append("<br><br>")
.append("severity: ").append(AlarmHelper.getSeverityAsString(atn.getSeverity())).append("<br>")
.append("alarmState: ").append(AlarmHelper.getStateAsString(atn.getAlarmState())).append("<br><br>")
.append("ackState: ").append(atn.getAckState()).append("<br><br>")
.append("ackTime: ").append(atn.getAckTime()).append("<br>")
.append("ackUser: ").append(atn.getAckUser()).append("<br>")
.append("ackSystem: ").append(atn.getAckSystem()).append("</td>");
sbuf.append("<td>")
.append("source: ").append(source).append("<br>")
.append("type: ").append(n.getType()).append("<br>")
.append("timeStamp: ").append(n.getTimeStamp()).append("<br>")
.append("sequenceNumber: ").append(n.getSequenceNumber()).append("<br><br>")
.append("message: ").append(substNewLines(n.getMessage())).append("<br><br>")
.append("userData: ").append(substNewLines(n.getUserData())).append("</td>");
sbuf.append("</tr>").append("\n");
}
sbuf.append("</table>").append("\n");
return sbuf.toString();
}
// Lifecycle control (ServiceMBeanSupport) -----------------------
/**
* Start
*/
public void startService() throws Exception
{
// subsbscribe myself for notifications
super.subscribe(true);
}
/**
* Stop
*/
public void stopService() throws Exception
{
// unsubscribe for notifications
super.unsubscribe();
}
// ListenerServiceMBeanSupport -----------------------------------
/**
* Overriden to add handling!
*/
public void handleNotification2(Notification notification, Object handback)
{
log.log(level, "Got notification (#" + Long.toString(this.notificationCount.increment())
+ "): " + notification + ", handback: " + handback);
almtab.update(notification);
}
// Protected -----------------------------------------------------
/**
* Convert every occurence of "\n" to "<br>"
*/
protected String substNewLines(Object input)
{
if (input == null)
{
return "null";
}
else
{
return Strings.subst("\n", "<br>", input.toString());
}
}
}