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/*******************************************************************************
* ============LICENSE_START=======================================================
* son-handler
* ================================================================================
* Copyright (C) 2019 Wipro Limited.
* ==============================================================================
* 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.
* ============LICENSE_END=========================================================
*
*******************************************************************************/
package org.onap.dcaegen2.services.sonhms;
import fj.data.Either;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingQueue;
import org.onap.dcaegen2.services.sonhms.model.FapServiceList;
import org.onap.dcaegen2.services.sonhms.model.Notification;
import org.onap.dcaegen2.services.sonhms.utils.ClusterUtils;
import org.onap.dcaegen2.services.sonhms.utils.ThreadUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class MainThread implements Runnable {
private static Logger log = LoggerFactory.getLogger(MainThread.class);
private NewSdnrNotification newNotification;
private NewFmNotification newFmNotification;
private BlockingQueue<List<String>> childStatusQueue;
private DmaapNotificationsComponent dmaapNotificationsComponent;
private FaultNotificationComponent faultNotificationComponent;
private EventHandler eventHandler;
private Map<String, FaultEvent> bufferedFmNotificationCells;
private List<String> sdnrNotificationCells;
private Boolean isTimer;
private Timestamp startTimer;
List<FaultEvent> fmNotificationToBuffer;
/**
* parameterized constructor.
*/
public MainThread(NewSdnrNotification newNotification, NewFmNotification newFmNotification) {
super();
this.newFmNotification = newFmNotification;
this.newNotification = newNotification;
childStatusQueue = new LinkedBlockingQueue<>();
dmaapNotificationsComponent = new DmaapNotificationsComponent();
faultNotificationComponent = new FaultNotificationComponent();
sdnrNotificationCells = new ArrayList<>();
fmNotificationToBuffer = new ArrayList<>();
bufferedFmNotificationCells = new HashMap<>();
eventHandler = new EventHandler(childStatusQueue,
Executors.newFixedThreadPool(Configuration.getInstance().getMaximumClusters()), new HashMap<>(),
new ClusterUtils(), new ThreadUtils());
isTimer = false;
startTimer = new Timestamp(System.currentTimeMillis());
}
@Override
public void run() {
log.info("Starting Main Thread");
// Check for Notifications from Dmaap and Child thread
Boolean done = false;
while (!done) {
Timestamp currentTime = new Timestamp(System.currentTimeMillis());
if (isTimer) {
Long difference = currentTime.getTime() - startTimer.getTime();
if (difference > 5000) {
log.info("FM handling difference > 5000");
for (String sdnrCell : sdnrNotificationCells) {
bufferedFmNotificationCells.remove(sdnrCell);
}
log.info("FM bufferedFMNotificationCells {}", bufferedFmNotificationCells.values());
List<FaultEvent> fmNotificationsToHandle = new ArrayList<>(bufferedFmNotificationCells.values());
Boolean result = eventHandler.handleFaultNotification(fmNotificationsToHandle);
bufferedFmNotificationCells = new HashMap<>();
isTimer = false;
log.info("FM notification handling {}", result);
}
}
try {
if (!childStatusQueue.isEmpty()) {
List<String> childState = childStatusQueue.poll();
if (childState != null) {
eventHandler.handleChildStatusUpdate(childState);
}
}
if (newNotification.getNewNotif()) {
Either<Notification, Integer> notification = dmaapNotificationsComponent.getSdnrNotifications();
if (notification.isRight()) {
if (notification.right().value() == 400) {
log.error("Error parsing the notification from SDNR");
} else if (notification.right().value() == 404) {
newNotification.setNewNotif(false);
}
} else if (notification.isLeft()) {
List<FapServiceList> fapServiceLists = (notification.left().value()).getPayload()
.getRadioAccess().getFapServiceList();
for (FapServiceList fapServiceList : fapServiceLists) {
sdnrNotificationCells.add(fapServiceList.getAlias());
}
Boolean result = eventHandler.handleSdnrNotification(notification.left().value());
log.debug("SDNR notification handling {}", result);
}
}
if (newFmNotification.getNewNotif()) {
log.info("newFmNotification has come");
String faultCellId = "";
Either<List<FaultEvent>, Integer> fmNotifications = faultNotificationComponent
.getFaultNotifications();
if (fmNotifications.isRight()) {
if (fmNotifications.right().value() == 400) {
log.info("Error parsing notifications");
} else if (fmNotifications.right().value() == 404) {
newFmNotification.setNewNotif(false);
}
} else {
for (FaultEvent fmNotification : fmNotifications.left().value()) {
if (fmNotification.getEvent().getFaultFields().getSpecificProblem()
.equals("Optimised PCI")) {
log.info("PCI problem cleared for :" + fmNotification);
} else if ((fmNotification.getEvent().getFaultFields().getSpecificProblem()
.equals("Collision"))
|| (fmNotification.getEvent().getFaultFields().getSpecificProblem()
.equals("Confusion"))) {
faultCellId = fmNotification.getEvent().getCommonEventHeader().getSourceName();
bufferedFmNotificationCells.put(faultCellId, fmNotification);
log.info("Buffered FM cell {}", faultCellId);
log.info("fmNotification{}", fmNotification);
} else {
log.info("Error resolving faultNotification for :" + fmNotification);
}
}
if (!(bufferedFmNotificationCells.isEmpty())) {
log.info("bufferedFMNotificationCells before staring timer {}",
bufferedFmNotificationCells.keySet());
for (String sdnrCell : sdnrNotificationCells) {
bufferedFmNotificationCells.remove(sdnrCell);
}
startTimer = new Timestamp(System.currentTimeMillis());
isTimer = true;
log.info("Buffered FM cell {}", bufferedFmNotificationCells.keySet());
}
}
}
} catch (Exception e) {
log.error("Exception in main Thread", e);
done = true;
}
}
}
}
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