/*
* TeleStax, Open Source Cloud Communications
* Copyright 2011-2016, TeleStax Inc. and individual contributors
* by the @authors tag.
*
* This program is free software: you can redistribute it and/or modify
* under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation; either version 3 of
* the License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* JBoss, Home of Professional Open Source
* Copyright 2007-2011, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt 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.jdiameter.common.impl.statistic;
import static org.jdiameter.common.api.concurrent.IConcurrentFactory.ScheduledExecServices.StatisticTimer;
import java.util.HashMap;
import java.util.concurrent.Future;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;
import org.jdiameter.api.Configuration;
import org.jdiameter.api.StatisticRecord;
import org.jdiameter.common.api.concurrent.IConcurrentFactory;
import org.jdiameter.common.api.statistic.IStatistic;
import org.jdiameter.common.api.statistic.IStatisticManager;
import org.jdiameter.common.api.statistic.IStatisticProcessor;
import org.jdiameter.common.api.statistic.IStatisticRecord;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Statistics Processor
*
* @author <a href="mailto:brainslog@gmail.com"> Alexandre Mendonca </a>
* @author <a href="mailto:baranowb@gmail.com"> Bartosz Baranowski </a>
*/
public class StatisticProcessorImpl implements IStatisticProcessor {
private static final Logger logger = LoggerFactory.getLogger(StatisticProcessorImpl.class);
private ScheduledExecutorService executorService;
private IConcurrentFactory concurrentFactory;
private IStatisticManager statisticFactory;
// statics for logger names
private static final String STATS_ROOT_LOGGER_NAME = "jdiameter.statistic";
private static final String STATS_LOGGER_PREFIX = "jdiameter.statistic.";
// future for actions to update per second stats
private Future<?> processorFuture;
// future for logger runnable
private Future<?> logFuture;
// map of loggers, so we dont have to fetch from slf all the time
private HashMap<String, Logger> loggers = new HashMap<String, Logger>();
public StatisticProcessorImpl(Configuration config, IConcurrentFactory concurrentFactory, final IStatisticManager statisticFactory) {
this.statisticFactory = statisticFactory;
this.concurrentFactory = concurrentFactory;
}
@Override
public void start() {
if (!this.statisticFactory.isOn()) {
return;
}
this.executorService = concurrentFactory.getScheduledExecutorService(StatisticTimer.name());
// start processor
this.processorFuture = this.executorService.scheduleAtFixedRate(new Runnable() {
@Override
public void run() {
try {
for (IStatisticRecord r : ((StatisticManagerImpl) statisticFactory).getPSStatisticRecord()) {
StatisticRecord[] recs = r.getChilds();
// magic of PS records, there are two children created...
IStatisticRecord realRecord = (IStatisticRecord) recs[0];
IStatisticRecord prevRecord = (IStatisticRecord) recs[1];
r.setLongValue(realRecord.getValueAsLong() - prevRecord.getValueAsLong());
prevRecord.setLongValue(realRecord.getValueAsLong());
}
}
catch (Exception e) {
logger.warn("Can not start persecond statistic", e);
}
}
}, 0, 1, TimeUnit.SECONDS);
// start logging actions
this.logFuture = this.executorService.scheduleAtFixedRate(new Runnable() {
@Override
public void run() {
boolean oneLine = false;
for (IStatistic statistic : statisticFactory.getStatistic()) {
if (statistic.isEnabled()) {
for (StatisticRecord record : statistic.getRecords()) {
oneLine = true;
String loggerKey = statistic.getName() + "." + record.getName();
Logger logger = null;
if ((logger = loggers.get(loggerKey)) == null) {
logger = LoggerFactory.getLogger(STATS_LOGGER_PREFIX + loggerKey);
loggers.put(loggerKey, logger);
}
if (logger.isTraceEnabled()) {
logger.trace(record.toString());
}
}
}
}
if (oneLine) {
Logger logger = null;
if ((logger = loggers.get(STATS_ROOT_LOGGER_NAME)) == null) {
logger = LoggerFactory.getLogger(STATS_ROOT_LOGGER_NAME);
loggers.put(STATS_ROOT_LOGGER_NAME, logger);
}
if (logger.isTraceEnabled()) {
logger.trace("=============================================== Marker ===============================================");
}
}
}
}, statisticFactory.getPause(), statisticFactory.getDelay(), TimeUnit.MILLISECONDS);
}
@Override
public void stop() {
if (!this.statisticFactory.isOn()) {
return;
}
if (this.processorFuture != null) {
this.processorFuture.cancel(false);
this.processorFuture = null;
}
if (this.logFuture != null) {
this.logFuture.cancel(false);
this.logFuture = null;
}
this.concurrentFactory.shutdownNow(executorService);
}
}