infra/minimal-distribution/src/main/java/io/fd/honeycomb/infra/distro/netconf/NetconfNotificationMapperProvider.java

   1 /*
   2  * Copyright (c) 2016 Cisco and/or its affiliates.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at:
   7  *
   8  *     http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package io.fd.honeycomb.infra.distro.netconf;
  18
  19 import com.google.inject.Inject;
  20 import com.google.inject.name.Named;
  21 import io.fd.honeycomb.infra.distro.ProviderTrait;
  22 import java.lang.reflect.Constructor;
  23 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  24 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  25 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
  26 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  27 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker;
  28 import org.opendaylight.controller.sal.binding.api.BindingAwareProvider;
  29 import org.opendaylight.netconf.mapping.api.NetconfOperationServiceFactory;
  30 import org.opendaylight.netconf.mapping.api.NetconfOperationServiceFactoryListener;
  31 import org.opendaylight.netconf.mdsal.notification.NetconfNotificationOperationServiceFactory;
  32 import org.opendaylight.netconf.notifications.BaseNotificationPublisherRegistration;
  33 import org.opendaylight.netconf.notifications.NetconfNotificationCollector;
  34 import org.opendaylight.netconf.notifications.NetconfNotificationRegistry;
  35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.NetconfState;
  36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.netconf.state.Capabilities;
  37 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  38 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42
  43 public class NetconfNotificationMapperProvider extends ProviderTrait<NetconfOperationServiceFactory> {
  44
  45     private static final Logger LOG = LoggerFactory.getLogger(NetconfNotificationMapperProvider.class);
  46
  47     public static final InstanceIdentifier<Capabilities> capabilitiesIdentifier =
  48             InstanceIdentifier.create(NetconfState.class).child(Capabilities.class).builder().build();
  49     @Inject
  50     private NetconfNotificationCollector notificationCollector;
  51     @Inject
  52     private NetconfNotificationRegistry notificationRegistry;
  53     @Inject
  54     @Named(NetconfModule.HONEYCOMB_NETCONF)
  55     private BindingAwareBroker bindingAwareBroker;
  56     @Inject
  57     @Named(NetconfModule.HONEYCOMB_NETCONF)
  58     private DataBroker dataBroker;
  59     @Inject
  60     private NetconfOperationServiceFactoryListener aggregator;
  61
  62     @Override
  63     protected NetconfNotificationOperationServiceFactory create() {
  64         try {
  65             final Class<?> notificationWriter = Class.forName(
  66                     "org.opendaylight.controller.config.yang.netconf.mdsal.notification.NotificationToMdsalWriter");
  67             Constructor<?> declaredConstructor =
  68                     notificationWriter.getDeclaredConstructor(NetconfNotificationCollector.class);
  69             declaredConstructor.setAccessible(true);
  70             final BindingAwareProvider writer =
  71                     (BindingAwareProvider) declaredConstructor.newInstance(notificationCollector);
  72             bindingAwareBroker.registerProvider(writer);
  73
  74             final Class<?> notifPublisherCls = Class.forName(
  75                     "org.opendaylight.controller.config.yang.netconf.mdsal.notification.BaseCapabilityChangeNotificationPublisher");
  76             declaredConstructor =
  77                     notifPublisherCls.getDeclaredConstructor(BaseNotificationPublisherRegistration.class);
  78             declaredConstructor.setAccessible(true);
  79             final DataChangeListener publisher = (DataChangeListener) declaredConstructor.newInstance(
  80                     notificationCollector.registerBaseNotificationPublisher());
  81
  82             ListenerRegistration<DataChangeListener> capabilityChangeListenerRegistration = dataBroker
  83                     .registerDataChangeListener(LogicalDatastoreType.OPERATIONAL, capabilitiesIdentifier,
  84                             publisher, AsyncDataBroker.DataChangeScope.SUBTREE);
  85             NetconfNotificationOperationServiceFactory netconfNotificationOperationServiceFactory =
  86                     new NetconfNotificationOperationServiceFactory(notificationRegistry);
  87             aggregator.onAddNetconfOperationServiceFactory(netconfNotificationOperationServiceFactory);
  88
  89             return netconfNotificationOperationServiceFactory;
  90         } catch (final ReflectiveOperationException e) {
  91             final String msg = "Unable to instantiate notification mapper using reflection";
  92             LOG.error(msg, e);
  93             throw new IllegalStateException(msg, e);
  94         }
  95     }
  96 }