nbinotifications/src/main/java/org/opendaylight/transportpce/nbinotifications/impl/NbiNotificationsProvider.java

   1 /*
   2  * Copyright © 2020 Orange, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.transportpce.nbinotifications.impl;
   9
  10 import java.util.List;
  11 import java.util.Map;
  12 import java.util.Optional;
  13 import java.util.concurrent.ExecutionException;
  14 import org.opendaylight.mdsal.binding.api.NotificationService;
  15 import org.opendaylight.mdsal.binding.api.RpcProviderService;
  16 import org.opendaylight.mdsal.binding.dom.codec.spi.BindingDOMCodecServices;
  17 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  18 import org.opendaylight.transportpce.common.converter.JsonStringConverter;
  19 import org.opendaylight.transportpce.common.network.NetworkTransactionService;
  20 import org.opendaylight.transportpce.nbinotifications.impl.rpc.CreateNotificationSubscriptionServiceImpl;
  21 import org.opendaylight.transportpce.nbinotifications.impl.rpc.DeleteNotificationSubscriptionServiceImpl;
  22 import org.opendaylight.transportpce.nbinotifications.impl.rpc.GetNotificationListImpl;
  23 import org.opendaylight.transportpce.nbinotifications.impl.rpc.GetNotificationSubscriptionServiceDetailsImpl;
  24 import org.opendaylight.transportpce.nbinotifications.impl.rpc.GetNotificationSubscriptionServiceListImpl;
  25 import org.opendaylight.transportpce.nbinotifications.impl.rpc.GetNotificationsAlarmServiceImpl;
  26 import org.opendaylight.transportpce.nbinotifications.impl.rpc.GetNotificationsProcessServiceImpl;
  27 import org.opendaylight.transportpce.nbinotifications.impl.rpc.GetSupportedNotificationTypesImpl;
  28 import org.opendaylight.transportpce.nbinotifications.listener.NbiNotificationsHandler;
  29 import org.opendaylight.transportpce.nbinotifications.producer.Publisher;
  30 import org.opendaylight.transportpce.nbinotifications.utils.TopicManager;
  31 import org.opendaylight.yang.gen.v1.nbi.notifications.rev230728.NotificationAlarmService;
  32 import org.opendaylight.yang.gen.v1.nbi.notifications.rev230728.NotificationProcessService;
  33 import org.opendaylight.yang.gen.v1.nbi.notifications.rev230728.NotificationTapiService;
  34 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.common.rev221121.Context;
  35 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.notification.rev221121.Context1;
  36 import org.opendaylight.yang.gen.v1.urn.onf.otcc.yang.tapi.notification.rev221121.context.NotificationContext;
  37 import org.opendaylight.yangtools.concepts.Registration;
  38 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  39 import org.osgi.service.component.annotations.Activate;
  40 import org.osgi.service.component.annotations.Component;
  41 import org.osgi.service.component.annotations.Deactivate;
  42 import org.osgi.service.component.annotations.Reference;
  43 import org.osgi.service.metatype.annotations.AttributeDefinition;
  44 import org.osgi.service.metatype.annotations.ObjectClassDefinition;
  45 import org.slf4j.Logger;
  46 import org.slf4j.LoggerFactory;
  47
  48 @Component(configurationPid = "org.opendaylight.transportpce.nbinotifications")
  49 public class NbiNotificationsProvider {
  50
  51     @ObjectClassDefinition
  52     public @interface Configuration {
  53         @AttributeDefinition
  54         String suscriberServer() default "";
  55         @AttributeDefinition
  56         String publisherServer() default "";
  57     }
  58
  59     private static final Logger LOG = LoggerFactory.getLogger(NbiNotificationsProvider.class);
  60     private Map<String, Publisher<NotificationProcessService>> publishersServiceMap;
  61     private Map<String, Publisher<NotificationAlarmService>> publishersAlarmMap;
  62     private Registration listenerRegistration;
  63     private Registration rpcRegistration;
  64     private NetworkTransactionService networkTransactionService;
  65
  66     @Activate
  67     public NbiNotificationsProvider(@Reference RpcProviderService rpcProviderService,
  68             @Reference NotificationService notificationService,
  69             @Reference BindingDOMCodecServices bindingDOMCodecServices,
  70             @Reference NetworkTransactionService networkTransactionService,
  71             final Configuration configuration) {
  72         this(configuration.suscriberServer(), configuration.publisherServer(), rpcProviderService, notificationService,
  73                 bindingDOMCodecServices, networkTransactionService);
  74     }
  75
  76     public NbiNotificationsProvider(String subscriberServer, String publisherServer,
  77             RpcProviderService rpcProviderService, NotificationService notificationService,
  78             BindingDOMCodecServices bindingDOMCodecServices, NetworkTransactionService networkTransactionService) {
  79         this.networkTransactionService = networkTransactionService;
  80         List<String> publishersServiceList = List.of("PceListener", "ServiceHandlerOperations", "ServiceHandler",
  81                 "RendererListener");
  82         TopicManager topicManager = TopicManager.getInstance();
  83         topicManager.setPublisherServer(publisherServer);
  84         JsonStringConverter<NotificationProcessService> converterService =
  85             new JsonStringConverter<>(bindingDOMCodecServices);
  86         topicManager.setProcessConverter(converterService);
  87         for (String publisherService: publishersServiceList) {
  88             LOG.info("Creating publisher for the following class {}", publisherService);
  89             topicManager.addProcessTopic(publisherService);
  90         }
  91         JsonStringConverter<NotificationAlarmService> converterAlarmService =
  92                 new JsonStringConverter<>(bindingDOMCodecServices);
  93         topicManager.setAlarmConverter(converterAlarmService);
  94         List<String> publishersAlarmList = List.of("ServiceListener");
  95         for (String publisherAlarm: publishersAlarmList) {
  96             LOG.info("Creating publisher for the following class {}", publisherAlarm);
  97             topicManager.addAlarmTopic(publisherAlarm);
  98         }
  99         JsonStringConverter<NotificationTapiService> converterTapiService =
 100                 new JsonStringConverter<>(bindingDOMCodecServices);
 101         LOG.info("tapi converter: {}", converterTapiService);
 102         topicManager.setTapiConverter(converterTapiService);
 103
 104         rpcRegistration = rpcProviderService.registerRpcImplementations(
 105                 new GetNotificationsProcessServiceImpl(converterService, subscriberServer),
 106                 new GetNotificationsAlarmServiceImpl(converterAlarmService, subscriberServer),
 107                 new GetSupportedNotificationTypesImpl(this),
 108                 new CreateNotificationSubscriptionServiceImpl(this, topicManager),
 109                 new DeleteNotificationSubscriptionServiceImpl(networkTransactionService, topicManager),
 110                 new GetNotificationSubscriptionServiceDetailsImpl(this),
 111                 new GetNotificationSubscriptionServiceListImpl(this),
 112                 new GetNotificationListImpl(converterTapiService, subscriberServer, networkTransactionService,
 113                         topicManager));
 114
 115         NbiNotificationsHandler notificationsListener = new NbiNotificationsHandler(
 116             topicManager.getProcessTopicMap(), topicManager.getAlarmTopicMap(), topicManager.getTapiTopicMap());
 117         listenerRegistration = notificationService.registerCompositeListener(
 118             notificationsListener.getCompositeListener());
 119         topicManager.setNbiNotificationsListener(notificationsListener);
 120         publishersServiceMap = topicManager.getProcessTopicMap();
 121         publishersAlarmMap = topicManager.getAlarmTopicMap();
 122         LOG.info("NbiNotificationsProvider Session Initiated");
 123     }
 124
 125     /**
 126      * Method called when the blueprint container is destroyed.
 127      */
 128     @Deactivate
 129     public void close() {
 130         for (Publisher<NotificationProcessService> publisher : publishersServiceMap.values()) {
 131             publisher.close();
 132         }
 133         for (Publisher<NotificationAlarmService> publisherAlarm : publishersAlarmMap.values()) {
 134             publisherAlarm.close();
 135         }
 136         rpcRegistration.close();
 137         listenerRegistration.close();
 138         LOG.info("NbiNotificationsProvider Closed");
 139     }
 140
 141     public NotificationContext getNotificationContext() {
 142         LOG.info("Getting tapi notification context");
 143         try {
 144             Optional<NotificationContext> notificationContextOptional = this.networkTransactionService.read(
 145                     LogicalDatastoreType.OPERATIONAL,
 146                     InstanceIdentifier.builder(Context.class)
 147                         .augmentation(Context1.class).child(NotificationContext.class)
 148                         .build())
 149                 .get();
 150             if (notificationContextOptional.isPresent()) {
 151                 return notificationContextOptional.orElseThrow();
 152             }
 153             LOG.debug("notification context is empty");
 154         } catch (InterruptedException | ExecutionException e) {
 155             LOG.error("Caught exception getting Notification Context", e);
 156         }
 157         LOG.error("Could not get TAPI notification context");
 158         return null;
 159     }
 160
 161     public boolean updateNotificationContext(NotificationContext notificationContext1) {
 162         try {
 163             this.networkTransactionService.merge(
 164                     LogicalDatastoreType.OPERATIONAL,
 165                     InstanceIdentifier.builder(Context.class)
 166                         .augmentation(Context1.class).child(NotificationContext.class)
 167                         .build(),
 168                     notificationContext1);
 169             this.networkTransactionService.commit().get();
 170             return true;
 171         } catch (InterruptedException | ExecutionException e) {
 172             LOG.error("Could not update TAPI notification context");
 173         }
 174         return false;
 175     }
 176
 177 }