+++ /dev/null
-/*
- * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.controller.messagebus.eventsources.netconf;
-
-import com.google.common.base.Optional;
-import com.google.common.util.concurrent.CheckedFuture;
-import java.util.ArrayList;
-import java.util.Date;
-import java.util.List;
-import java.util.concurrent.ConcurrentHashMap;
-import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
-import org.opendaylight.controller.md.sal.dom.api.DOMNotificationService;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcException;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcResult;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
-import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.TopicId;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionInput;
-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.common.QName;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
-import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
-import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
-import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
-import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeAttrBuilder;
-import org.opendaylight.yangtools.yang.model.api.SchemaPath;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-public class StreamNotificationTopicRegistration extends NotificationTopicRegistration {
-
- private static final Logger LOG = LoggerFactory.getLogger(StreamNotificationTopicRegistration.class);
- private static final NodeIdentifier STREAM_QNAME = new NodeIdentifier(
- QName.create(CreateSubscriptionInput.QNAME, "stream"));
- private static final SchemaPath CREATE_SUBSCRIPTION = SchemaPath
- .create(true, QName.create(CreateSubscriptionInput.QNAME, "create-subscription"));
- private static final NodeIdentifier START_TIME_SUBSCRIPTION = new NodeIdentifier(
- QName.create(CreateSubscriptionInput.QNAME, "startTime"));
-
- final private DOMMountPoint domMountPoint;
- final private String nodeId;
- final private NetconfEventSource netconfEventSource;
- final private Stream stream;
- private Date lastEventTime;
-
- private ConcurrentHashMap<SchemaPath, ListenerRegistration<NetconfEventSource>> notificationRegistrationMap = new ConcurrentHashMap<>();
- private ConcurrentHashMap<SchemaPath, ArrayList<TopicId>> notificationTopicMap = new ConcurrentHashMap<>();
-
- public StreamNotificationTopicRegistration(final Stream stream, final String notificationPrefix,
- NetconfEventSource netconfEventSource) {
- super(NotificationSourceType.NetconfDeviceStream, stream.getName().getValue(), notificationPrefix);
- this.domMountPoint = netconfEventSource.getDOMMountPoint();
- this.nodeId = netconfEventSource.getNode().getNodeId().getValue().toString();
- this.netconfEventSource = netconfEventSource;
- this.stream = stream;
- this.lastEventTime = null;
- setReplaySupported(this.stream.isReplaySupport());
- setActive(false);
- LOG.info("StreamNotificationTopicRegistration initialized for {}", getStreamName());
- }
-
- void activateNotificationSource() {
- if (isActive() == false) {
- LOG.info("Stream {} is not active on node {}. Will subscribe.", this.getStreamName(), this.nodeId);
- final ContainerNode input = Builders.containerBuilder()
- .withNodeIdentifier(new NodeIdentifier(CreateSubscriptionInput.QNAME))
- .withChild(ImmutableNodes.leafNode(STREAM_QNAME, this.getStreamName())).build();
- CheckedFuture<DOMRpcResult, DOMRpcException> csFuture = domMountPoint.getService(DOMRpcService.class).get()
- .invokeRpc(CREATE_SUBSCRIPTION, input);
- try {
- csFuture.checkedGet();
- setActive(true);
- } catch (DOMRpcException e) {
- LOG.warn("Can not subscribe stream {} on node {}", this.getSourceName(), this.nodeId);
- setActive(false);
- return;
- }
- } else {
- LOG.info("Stream {} is now active on node {}", this.getStreamName(), this.nodeId);
- }
- }
-
- void reActivateNotificationSource() {
- if (isActive()) {
- LOG.info("Stream {} is reactivating on node {}.", this.getStreamName(), this.nodeId);
- DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> inputBuilder = Builders.containerBuilder()
- .withNodeIdentifier(new NodeIdentifier(CreateSubscriptionInput.QNAME))
- .withChild(ImmutableNodes.leafNode(STREAM_QNAME, this.getStreamName()));
- if (isReplaySupported() && this.getLastEventTime() != null) {
- inputBuilder.withChild(ImmutableNodes.leafNode(START_TIME_SUBSCRIPTION, this.getLastEventTime()));
- }
- final ContainerNode input = inputBuilder.build();
- CheckedFuture<DOMRpcResult, DOMRpcException> csFuture = domMountPoint.getService(DOMRpcService.class).get()
- .invokeRpc(CREATE_SUBSCRIPTION, input);
- try {
- csFuture.checkedGet();
- setActive(true);
- } catch (DOMRpcException e) {
- LOG.warn("Can not resubscribe stream {} on node {}", this.getSourceName(), this.nodeId);
- setActive(false);
- return;
- }
- }
- }
-
- @Override void deActivateNotificationSource() {
- // no operations need
- }
-
- private void closeStream() {
- if (isActive()) {
- for (ListenerRegistration<NetconfEventSource> reg : notificationRegistrationMap.values()) {
- reg.close();
- }
- notificationRegistrationMap.clear();
- notificationTopicMap.clear();
- setActive(false);
- }
- }
-
- private String getStreamName() {
- return getSourceName();
- }
-
- @Override ArrayList<TopicId> getNotificationTopicIds(SchemaPath notificationPath) {
- return notificationTopicMap.get(notificationPath);
- }
-
- @Override boolean registerNotificationTopic(SchemaPath notificationPath, TopicId topicId) {
-
- if (checkNotificationPath(notificationPath) == false) {
- LOG.debug("Bad SchemaPath for notification try to register");
- return false;
- }
-
- final Optional<DOMNotificationService> notifyService = domMountPoint.getService(DOMNotificationService.class);
- if (notifyService.isPresent() == false) {
- LOG.debug("DOMNotificationService is not present");
- return false;
- }
-
- activateNotificationSource();
- if (isActive() == false) {
- LOG.warn("Stream {} is not active, listener for notification {} is not registered.", getStreamName(),
- notificationPath.toString());
- return false;
- }
-
- ListenerRegistration<NetconfEventSource> registration = notifyService.get()
- .registerNotificationListener(this.netconfEventSource, notificationPath);
- notificationRegistrationMap.put(notificationPath, registration);
- ArrayList<TopicId> topicIds = getNotificationTopicIds(notificationPath);
- if (topicIds == null) {
- topicIds = new ArrayList<>();
- topicIds.add(topicId);
- } else {
- if (topicIds.contains(topicId) == false) {
- topicIds.add(topicId);
- }
- }
-
- notificationTopicMap.put(notificationPath, topicIds);
- return true;
- }
-
- @Override synchronized void unRegisterNotificationTopic(TopicId topicId) {
- List<SchemaPath> notificationPathToRemove = new ArrayList<>();
- for (SchemaPath notifKey : notificationTopicMap.keySet()) {
- ArrayList<TopicId> topicList = notificationTopicMap.get(notifKey);
- if (topicList != null) {
- topicList.remove(topicId);
- if (topicList.isEmpty()) {
- notificationPathToRemove.add(notifKey);
- }
- }
- }
- for (SchemaPath notifKey : notificationPathToRemove) {
- notificationTopicMap.remove(notifKey);
- ListenerRegistration<NetconfEventSource> reg = notificationRegistrationMap.remove(notifKey);
- if (reg != null) {
- reg.close();
- }
- }
- }
-
- Optional<Date> getLastEventTime() {
- return Optional.fromNullable(lastEventTime);
- }
-
- void setLastEventTime(Date lastEventTime) {
- this.lastEventTime = lastEventTime;
- }
-
- @Override public void close() throws Exception {
- closeStream();
- }
-
-}
Code Review / controller.git / blobdiff