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/*
* ============LICENSE_START========================================================================
* ONAP : ccsdk feature sdnr wt
* =================================================================================================
* Copyright (C) 2020 highstreet technologies GmbH Intellectual Property. All rights reserved.
* =================================================================================================
* 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.ccsdk.features.sdnr.wt.netconfnodestateservice.impl.access.binding;
import com.google.common.util.concurrent.ListenableFuture;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.onap.ccsdk.features.sdnr.wt.common.YangHelper;
import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.NetconfBindingAccessor;
import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.TransactionUtils;
import org.onap.ccsdk.features.sdnr.wt.netconfnodestateservice.impl.access.NetconfAccessorImpl;
import org.opendaylight.mdsal.binding.api.DataBroker;
import org.opendaylight.mdsal.binding.api.MountPoint;
import org.opendaylight.mdsal.binding.api.NotificationService;
import org.opendaylight.mdsal.binding.api.RpcConsumerRegistry;
import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionInputBuilder;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionOutput;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.NotificationsService;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.StreamNameType;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.Netconf;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf.Streams;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netmod.notification.rev080714.netconf.streams.Stream;
import org.opendaylight.yangtools.concepts.ListenerRegistration;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.binding.NotificationListener;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class NetconfBindingAccessorImpl extends NetconfAccessorImpl implements NetconfBindingAccessor {
private static final Logger log = LoggerFactory.getLogger(NetconfBindingAccessorImpl.class);
private final static GenericTransactionUtils GENERICTRANSACTIONUTILS = new GenericTransactionUtils();
private final DataBroker dataBroker;
private final MountPoint mountpoint;
final NotificationsService mountpointNotificationService;
/**
* Contains all data to access and manage NETCONF device
*
* @param accessor with basic mountpoint information
* @param dataBroker to access node
* @param mountpoint of netconfNode
* @throws IllegalArgumentException
*/
public NetconfBindingAccessorImpl(NetconfAccessorImpl accessor, DataBroker dataBroker, MountPoint mountpoint)
throws IllegalArgumentException {
super(accessor);
this.dataBroker = Objects.requireNonNull(dataBroker);
this.mountpoint = Objects.requireNonNull(mountpoint);
final Optional<RpcConsumerRegistry> optionalRpcConsumerService =
mountpoint.getService(RpcConsumerRegistry.class);
if (optionalRpcConsumerService.isPresent()) {
mountpointNotificationService = optionalRpcConsumerService.get().getRpcService(NotificationsService.class);
} else {
throw new IllegalArgumentException("Can not process without rpcConsumerService service");
}
}
@Override
public DataBroker getDataBroker() {
return dataBroker;
}
@Override
public MountPoint getMountpoint() {
return mountpoint;
}
@Override
public TransactionUtils getTransactionUtils() {
return GENERICTRANSACTIONUTILS;
}
@Override
public @NonNull <T extends NotificationListener> ListenerRegistration<NotificationListener> doRegisterNotificationListener(
@NonNull T listener) {
log.info("Begin register listener for Mountpoint {}", mountpoint.getIdentifier().toString());
final Optional<NotificationService> optionalNotificationService =
mountpoint.getService(NotificationService.class);
final NotificationService notificationService = optionalNotificationService.get();
final ListenerRegistration<NotificationListener> ranListenerRegistration =
notificationService.registerNotificationListener(listener);
log.info("End registration listener for Mountpoint {} Listener: {} Result: {}",
mountpoint.getIdentifier().toString(), optionalNotificationService, ranListenerRegistration);
return ranListenerRegistration;
}
@Override
public ListenableFuture<RpcResult<CreateSubscriptionOutput>> registerNotificationsStream(
String streamName) {
final CreateSubscriptionInputBuilder createSubscriptionInputBuilder = new CreateSubscriptionInputBuilder();
if (streamName != null) {
createSubscriptionInputBuilder.setStream(new StreamNameType(streamName));
}
log.info("Event listener triggering notification stream '{}' for node {}", streamName, getNodeId());
return mountpointNotificationService.createSubscription(createSubscriptionInputBuilder.build());
}
@Override
public ListenableFuture<RpcResult<CreateSubscriptionOutput>> registerNotificationsStream() {
return registerNotificationsStream((String)null);
}
@Override
public void registerNotificationsStream(List<Stream> streamList) {
for (Stream stream : streamList) {
@Nullable
StreamNameType streamName = stream.getName();
if (streamName != null) {
String streamNameValue = stream.getName().getValue();
log.info("Stream Name = {}, Stream Description = {}", streamNameValue, stream.getDescription());
if (!(streamNameValue.equals(DefaultNotificationsStream)))
// Register any not default stream. Default stream is already registered
registerNotificationsStream(streamNameValue);
} else {
log.warn("Ignore a stream without name");
}
}
}
@Override
public List<Stream> getNotificationStreams() {
final Class<Netconf> netconfClazz = Netconf.class;
InstanceIdentifier<Netconf> streamsIID = InstanceIdentifier.builder(netconfClazz).build();
Netconf res = getTransactionUtils().readData(getDataBroker(), LogicalDatastoreType.OPERATIONAL, streamsIID);
if (res != null) {
Streams streams = res.getStreams();
if (streams != null) {
return YangHelper.getList(streams.nonnullStream());
}
}
return Collections.emptyList();
}
}
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