| /* |
| * Copyright 2018-present Open Networking Foundation |
| * |
| * 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. |
| */ |
| |
| package org.opencord.kafka.integrations; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.opencord.cordmcast.CordMcastStatistics; |
| import org.opencord.cordmcast.CordMcastStatisticsEvent; |
| import org.opencord.cordmcast.CordMcastStatisticsEventListener; |
| import org.opencord.cordmcast.CordMcastStatisticsService; |
| import org.opencord.kafka.EventBusService; |
| import org.osgi.service.component.annotations.Activate; |
| import org.osgi.service.component.annotations.Component; |
| import org.osgi.service.component.annotations.Deactivate; |
| import org.osgi.service.component.annotations.Reference; |
| import org.osgi.service.component.annotations.ReferenceCardinality; |
| import org.osgi.service.component.annotations.ReferencePolicy; |
| |
| import java.time.Instant; |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| /** |
| * Listens to Mcast events and pushes them into kafka bus. |
| */ |
| @Component(immediate = true) |
| public class McastKafkaIntegration extends AbstractKafkaIntegration { |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY) |
| protected EventBusService eventBusService; |
| |
| @Reference(cardinality = ReferenceCardinality.OPTIONAL, |
| policy = ReferencePolicy.DYNAMIC, |
| bind = "bindMcastStatisticsService", |
| unbind = "unbindMcastStatisticsService") |
| protected volatile CordMcastStatisticsService cordMcastStatisticsService; |
| protected final AtomicReference<CordMcastStatisticsService> cordMcastStatisticsServiceRef = new AtomicReference<>(); |
| |
| private final CordMcastStatisticsEventListener cordMcastStatisticsEventListener = |
| new InternalCorcMcastStatisticsListener(); |
| |
| private static final String MCAST_OPERATIONAL_STATUS_TOPIC = "mcastOperationalStatus.events"; |
| |
| //cord mcast stats event params |
| private static final String TIMESTAMP = "timestamp"; |
| private static final String GROUP = "Group"; |
| private static final String SOURCE = "Source"; |
| private static final String VLAN = "Vlan"; |
| private static final String MCAST_EVENT_DATA = "McastEventData"; |
| |
| protected void bindMcastStatisticsService(CordMcastStatisticsService cordMcastStatisticsService) { |
| bindAndAddListener(cordMcastStatisticsService, cordMcastStatisticsServiceRef, cordMcastStatisticsEventListener); |
| } |
| |
| protected void unbindMcastStatisticsService(CordMcastStatisticsService cordMcastStatisticsService) { |
| unbindAndRemoveListener(cordMcastStatisticsService, |
| cordMcastStatisticsServiceRef, cordMcastStatisticsEventListener); |
| } |
| |
| @Activate |
| public void activate() { |
| log.info("Started McastKafkaIntegration"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| log.info("Stopped McastKafkaIntegration"); |
| } |
| |
| private void handleMcastStat(CordMcastStatisticsEvent mcastStatEvent) { |
| eventBusService.send(MCAST_OPERATIONAL_STATUS_TOPIC, serializeMcastStat(mcastStatEvent)); |
| log.info("CordMcastStatisticsEvent sent successfully"); |
| } |
| |
| private JsonNode serializeMcastStat(CordMcastStatisticsEvent mcastStatEvent) { |
| log.debug("Serializing AuthenticationStatisticsEvent"); |
| ObjectMapper mapper = new ObjectMapper(); |
| ObjectNode mcastStat = mapper.createObjectNode(); |
| mcastStat.put(TIMESTAMP, Instant.now().toString()); |
| ArrayNode mcastArrayNode = mcastStat.putArray(MCAST_EVENT_DATA); |
| List<CordMcastStatistics> cordMcastStatsList = mcastStatEvent.subject(); |
| cordMcastStatsList.forEach(stats -> { |
| ObjectNode mcastNode = mapper.createObjectNode(); |
| if (stats.getGroupAddress() != null) { |
| mcastNode.put(GROUP, stats.getGroupAddress().toString()); |
| } |
| if (stats.getSourceAddress() != null) { |
| mcastNode.put(SOURCE, stats.getSourceAddress().toString()); |
| } |
| mcastNode.put(VLAN, stats.getVlanId().toShort()); |
| mcastArrayNode.add(mcastNode); |
| }); |
| return mcastStat; |
| } |
| |
| private class InternalCorcMcastStatisticsListener implements CordMcastStatisticsEventListener { |
| |
| @Override |
| public void event(CordMcastStatisticsEvent mcastStatEvent) { |
| handleMcastStat(mcastStatEvent); |
| } |
| } |
| } |