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/*-
* ============LICENSE_START=======================================================
* ONAP : APPC
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2017 Amdocs
* =============================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
* ============LICENSE_END=========================================================
*/
package org.onap.appc.metricservice.policy.impl;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
import org.onap.appc.configuration.Configuration;
import org.onap.appc.configuration.ConfigurationFactory;
import org.onap.appc.exceptions.APPCException;
import org.onap.appc.metricservice.MetricRegistry;
import org.onap.appc.metricservice.MetricService;
import org.onap.appc.metricservice.Publisher;
import org.onap.appc.metricservice.metric.Metric;
import org.onap.appc.metricservice.policy.ScheduledPublishingPolicy;
import com.att.eelf.configuration.EELFLogger;
import com.att.eelf.configuration.EELFManager;
public class ScheduledPublishingPolicyImpl implements ScheduledPublishingPolicy {
private long startTime;
private long period;
private Publisher[] publishers;
private Metric[] metrics;
private MetricRegistry metricRegistry;
private static final EELFLogger logger = EELFManager.getInstance().getLogger(ScheduledPublishingPolicyImpl.class);
private ScheduledExecutorService scheduleExecutor;
private Configuration configuration;
public ScheduledPublishingPolicyImpl(long startTime, long period, Publisher[] publishers, Metric[] metrics) {
this.startTime = startTime;
this.period = period;
this.publishers = publishers;
this.metrics = metrics;
this.scheduleExecutor= Executors.newSingleThreadScheduledExecutor(getThreadFactory(true));
}
public ScheduledPublishingPolicyImpl( Publisher[] publishers, Metric[] metrics) {
configuration = ConfigurationFactory.getConfiguration();
Properties properties=configuration.getProperties();
if(properties!=null){
if(properties.getProperty("schedule.policy.metric.period")!=null && properties.getProperty("schedule.policy.metric.start.time")!=null){
this.startTime = getConfigStartTime(properties);
this.period = getConfigPeriod(properties);
logger.info("Metric Properties read from configuration Start Time :"+this.startTime+", Period :"+this.period);
}else if(properties.getProperty("schedule.policy.metric.period")!=null){
this.startTime=1;
this.period=getConfigPeriod(properties);
logger.info("Metric Properties read from configuration Start Time :"+this.startTime+", Period :"+this.period);
}else if(properties.getProperty("schedule.policy.metric.period")==null && properties.getProperty("schedule.policy.metric.start.time")!=null){
this.startTime=getConfigStartTime("00:00:00",properties);
this.period=(24*60*60*1000)-1;
logger.info("Metric Properties read from configuration Start Time :"+this.startTime+", Period :"+this.period);
}else{
logger.info("Metric Properties coming as null,setting to default Start Time :1 ms,Period : 100000 ms");
this.startTime = 1;
this.period = 100000;
logger.info("Metric Properties read from configuration Start Time :"+this.startTime+", Period :"+this.period);
}
} else {
logger.info("Metric Properties coming as null,setting to default Start Time :1 ms,Period : 100000 ms");
this.startTime = 1;
this.period = 100000;
logger.info("Metric Properties read from configuration Start Time :"+this.startTime+", Period :"+this.period);
}
this.publishers = publishers;
this.metrics = metrics;
this.scheduleExecutor= Executors.newSingleThreadScheduledExecutor(getThreadFactory(true));
}
private long getConfigPeriod(Properties properties) {
String period=properties.getProperty("schedule.policy.metric.period");
logger.info("Metric period : " +period);
long periodInMs=Integer.parseInt(period)*1000;
logger.info("Metric period in long : " +periodInMs);
return periodInMs;
}
private long getTimeInMs(String time) {
String[] strings=time.split(":");
if(strings.length==3) {
long hour = Integer.parseInt(strings[0]) * 60 * 60 * 1000;
long min = Integer.parseInt(strings[1]) * 60 * 1000;
long sec = Integer.parseInt(strings[2]) * 1000;
return hour+min+sec;
}else{
return 0;
}
}
private long getConfigStartTime(Properties properties) {
String startTime=properties.getProperty("schedule.policy.metric.start.time");
if(startTime!=null){
long timeDiff=(getTimeInMs(startTime))-(getTimeInMs((new SimpleDateFormat("HH:mm:ss")).format(new Date())));
long period=getConfigPeriod(properties);
if(timeDiff>=0){
return timeDiff;
}else{
return period-((timeDiff*-1)%period);
}
}
return 0;
}
private long getConfigStartTime(String startTime,Properties properties) {
if(startTime!=null){
long timeDiff=(getTimeInMs(startTime))-(getTimeInMs((new SimpleDateFormat("HH:mm:ss")).format(new Date())));
long period=getConfigPeriod(properties);
if(timeDiff>=0){
return timeDiff%period;
}else{
return period-((timeDiff*-1)%period);
}
}
return 0;
}
@Override
public void onMetricChange(Metric metric) throws APPCException {
//TODO
}
@Override
public Metric[] metrics() {
return metrics;
}
@Override
public void init() {
Properties properties=configuration.getProperties();
boolean isMetricEnabled=false;
if(properties!=null){
String metricProperty=properties.getProperty("metric.enabled");
if(metricProperty!=null){
isMetricEnabled=Boolean.valueOf(metricProperty);
}
}
if(isMetricEnabled){
logger.info("Metric Service is enabled, hence policies getting scheduled");
for(final Publisher publisher:this.getPublishers()){
scheduleExecutor.scheduleWithFixedDelay(new Runnable()
{
public void run() {
try {
publisher.publish(metricRegistry, metrics);
reset();
} catch (RuntimeException ex) {
logger.error("RuntimeException thrown from {}#report. Exception was suppressed.", publisher.getClass().getSimpleName(), ex);
}
}
}
, startTime, period, TimeUnit.MILLISECONDS);
}
}else{
logger.info("Metric Service is not enabled, hence policies not getting scheduled");
}
}
@Override
public long getStartTime() {
return this.startTime;
}
@Override
public long getPeriod() {
return this.period;
}
@Override
public Publisher[] getPublishers() {
return this.publishers;
}
@Override
public void reset() {
for(Metric metric:this.metrics){
metric.reset();}
}
private ThreadFactory getThreadFactory(final boolean isDaemon){
return new ThreadFactory() {
public Thread newThread(Runnable r) {
Thread t = Executors.defaultThreadFactory().newThread(r);
t.setDaemon(isDaemon);
return t;
}
};
}
}
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