import java.io.IOException;
import java.util.ArrayList;
+import java.util.Date;
+import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
-import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.Future;
import java.util.regex.Pattern;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.dom.DOMSource;
-import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
-import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.MountPoint;
+import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
+import org.opendaylight.controller.md.sal.dom.api.DOMEvent;
import org.opendaylight.controller.md.sal.dom.api.DOMMountPoint;
import org.opendaylight.controller.md.sal.dom.api.DOMNotification;
import org.opendaylight.controller.md.sal.dom.api.DOMNotificationListener;
import org.opendaylight.controller.md.sal.dom.api.DOMNotificationPublishService;
import org.opendaylight.controller.md.sal.dom.api.DOMNotificationService;
-import org.opendaylight.controller.md.sal.dom.api.DOMRpcService;
import org.opendaylight.controller.messagebus.app.impl.TopicDOMNotification;
import org.opendaylight.controller.messagebus.app.impl.Util;
import org.opendaylight.controller.messagebus.spi.EventSource;
import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.JoinTopicOutput;
import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.JoinTopicOutputBuilder;
import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.JoinTopicStatus;
-import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.notification._1._0.rev080714.CreateSubscriptionInput;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.inventory.rev140108.NetconfNode;
+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.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
-import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.common.RpcResult;
import org.w3c.dom.Element;
import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
import com.google.common.base.Throwables;
+import com.google.common.util.concurrent.CheckedFuture;
-public class NetconfEventSource implements EventSource, DOMNotificationListener, DataChangeListener {
+public class NetconfEventSource implements EventSource, DOMNotificationListener {
private static final Logger LOG = LoggerFactory.getLogger(NetconfEventSource.class);
private static final NodeIdentifier EVENT_SOURCE_ARG = new NodeIdentifier(QName.create(TopicNotification.QNAME, "node-id"));
private static final NodeIdentifier TOPIC_ID_ARG = new NodeIdentifier(QName.create(TopicNotification.QNAME, "topic-id"));
private static final NodeIdentifier PAYLOAD_ARG = new NodeIdentifier(QName.create(TopicNotification.QNAME, "payload"));
-
- 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 String ConnectionNotificationSourceName = "ConnectionNotificationSource";
private final String nodeId;
private final Node node;
private final DOMMountPoint netconfMount;
+ private final MountPoint mountPoint;
private final DOMNotificationPublishService domPublish;
- private final Map<String, String> urnPrefixToStreamMap;
-
- private final ConcurrentHashMap<String, StreamNotificationTopicRegistration> streamNotifRegistrationMap = new ConcurrentHashMap<>();
+ private final Map<String, String> urnPrefixToStreamMap; // key = urnPrefix, value = StreamName
+ private final List<NotificationTopicRegistration> notificationTopicRegistrationList = new ArrayList<>();
- public NetconfEventSource(final Node node, final Map<String, String> streamMap, final DOMMountPoint netconfMount, final DOMNotificationPublishService publishService) {
- this.netconfMount = netconfMount;
- this.node = node;
+ public NetconfEventSource(final Node node, final Map<String, String> streamMap, final DOMMountPoint netconfMount, final MountPoint mountPoint, final DOMNotificationPublishService publishService) {
+ this.netconfMount = Preconditions.checkNotNull(netconfMount);
+ this.mountPoint = Preconditions.checkNotNull(mountPoint);
+ this.node = Preconditions.checkNotNull(node);
+ this.urnPrefixToStreamMap = Preconditions.checkNotNull(streamMap);
+ this.domPublish = Preconditions.checkNotNull(publishService);
this.nodeId = node.getNodeId().getValue();
- this.urnPrefixToStreamMap = streamMap;
- this.domPublish = publishService;
- this.initializeStreamNotifRegistrationMap();
- LOG.info("NetconfEventSource [{}] created.", nodeId);
+ this.initializeNotificationTopicRegistrationList();
+
+ LOG.info("NetconfEventSource [{}] created.", this.nodeId);
}
- private void initializeStreamNotifRegistrationMap(){
- for(String streamName : this.urnPrefixToStreamMap.values()){
- streamNotifRegistrationMap.put(streamName, new StreamNotificationTopicRegistration(streamName, this.nodeId, this.netconfMount, this));
+ private void initializeNotificationTopicRegistrationList() {
+ notificationTopicRegistrationList.add(new ConnectionNotificationTopicRegistration(ConnectionNotificationSourceName, this));
+ Optional<Map<String, Stream>> streamMap = getAvailableStreams();
+ if(streamMap.isPresent()){
+ for (String urnPrefix : this.urnPrefixToStreamMap.keySet()) {
+ final String streamName = this.urnPrefixToStreamMap.get(urnPrefix);
+ if(streamMap.get().containsKey(streamName)){
+ notificationTopicRegistrationList.add(new StreamNotificationTopicRegistration(streamMap.get().get(streamName),urnPrefix, this));
+ }
+ }
}
}
+ private Optional<Map<String, Stream>> getAvailableStreams(){
+
+ Map<String,Stream> streamMap = null;
+ InstanceIdentifier<Streams> pathStream = InstanceIdentifier.builder(Netconf.class).child(Streams.class).build();
+ Optional<DataBroker> dataBroker = this.mountPoint.getService(DataBroker.class);
+
+ if(dataBroker.isPresent()){
+
+ ReadOnlyTransaction tx = dataBroker.get().newReadOnlyTransaction();
+ CheckedFuture<Optional<Streams>, ReadFailedException> checkFeature = tx.read(LogicalDatastoreType.OPERATIONAL,pathStream);
+
+ try {
+ Optional<Streams> streams = checkFeature.checkedGet();
+ if(streams.isPresent()){
+ streamMap = new HashMap<>();
+ for(Stream stream : streams.get().getStream()){
+ streamMap.put(stream.getName().getValue(), stream);
+ }
+ }
+ } catch (ReadFailedException e) {
+ LOG.warn("Can not read streams for node {}",this.nodeId);
+ }
+
+ }
+
+ return Optional.fromNullable(streamMap);
+ }
+
@Override
public Future<RpcResult<JoinTopicOutput>> joinTopic(final JoinTopicInput input) {
JoinTopicStatus joinTopicStatus = JoinTopicStatus.Down;
if(notificationsToSubscribe != null && notificationsToSubscribe.isEmpty() == false){
- final Optional<DOMNotificationService> notifyService = netconfMount.getService(DOMNotificationService.class);
+ final Optional<DOMNotificationService> notifyService = getDOMMountPoint().getService(DOMNotificationService.class);
if(notifyService.isPresent()){
int subscribedStreams = 0;
for(SchemaPath schemaNotification : notificationsToSubscribe){
- final Optional<String> streamName = resolveStream(schemaNotification.getLastComponent());
- if(streamName.isPresent()){
- LOG.info("Stream {} is activating, TopicId {}", streamName.get(), topicId.getValue() );
- StreamNotificationTopicRegistration streamReg = streamNotifRegistrationMap.get(streamName.get());
- streamReg.activateStream();
- for(SchemaPath notificationPath : notificationsToSubscribe){
- LOG.info("Notification listener is registering, Notification {}, TopicId {}", notificationPath, topicId.getValue() );
- streamReg.registerNotificationListenerTopic(notificationPath, topicId);
- }
- subscribedStreams = subscribedStreams + 1;
- }
+ for(NotificationTopicRegistration reg : notificationTopicRegistrationList){
+ LOG.info("Source of notification {} is activating, TopicId {}", reg.getSourceName(), topicId.getValue() );
+ reg.activateNotificationSource();
+ boolean regSuccess = reg.registerNotificationTopic(schemaNotification, topicId);
+ if(regSuccess){
+ subscribedStreams = subscribedStreams +1;
+ }
+ }
}
if(subscribedStreams > 0){
joinTopicStatus = JoinTopicStatus.Up;
}
- private void resubscribeToActiveStreams() {
- for (StreamNotificationTopicRegistration streamReg : streamNotifRegistrationMap.values()){
- streamReg.reActivateStream();
+ public void reActivateStreams(){
+ for (NotificationTopicRegistration reg : notificationTopicRegistrationList) {
+ LOG.info("Source of notification {} is reactivating on node {}", reg.getSourceName(), this.nodeId);
+ reg.reActivateNotificationSource();
}
}
- private Optional<String> resolveStream(final QName qName) {
- String streamName = null;
-
- for (final Map.Entry<String, String> entry : urnPrefixToStreamMap.entrySet()) {
- final String nameSpace = qName.getNamespace().toString();
- final String urnPrefix = entry.getKey();
- if( nameSpace.startsWith(urnPrefix) ) {
- streamName = entry.getValue();
- break;
- }
+ public void deActivateStreams(){
+ for (NotificationTopicRegistration reg : notificationTopicRegistrationList) {
+ LOG.info("Source of notification {} is deactivating on node {}", reg.getSourceName(), this.nodeId);
+ reg.deActivateNotificationSource();
}
- return Optional.fromNullable(streamName);
}
@Override
public void onNotification(final DOMNotification notification) {
+ LOG.info("Notification {} has been arrived...",notification.getType());
SchemaPath notificationPath = notification.getType();
- LOG.info("Notification {} has come.",notification.getType());
- for(StreamNotificationTopicRegistration streamReg : streamNotifRegistrationMap.values()){
- for(TopicId topicId : streamReg.getNotificationTopicIds(notificationPath)){
- publishNotification(notification, topicId);
- LOG.info("Notification {} has been published for TopicId {}",notification.getType(), topicId.getValue());
+ Date notificationEventTime = null;
+ if(notification instanceof DOMEvent){
+ notificationEventTime = ((DOMEvent) notification).getEventTime();
+ }
+ for(NotificationTopicRegistration notifReg : notificationTopicRegistrationList){
+ ArrayList<TopicId> topicIdsForNotification = notifReg.getNotificationTopicIds(notificationPath);
+ if(topicIdsForNotification != null && topicIdsForNotification.isEmpty() == false){
+
+ if(notifReg instanceof StreamNotificationTopicRegistration){
+ StreamNotificationTopicRegistration streamReg = (StreamNotificationTopicRegistration)notifReg;
+ streamReg.setLastEventTime(notificationEventTime);
+ }
+
+ for(TopicId topicId : topicIdsForNotification){
+ publishNotification(notification, topicId);
+ LOG.info("Notification {} has been published for TopicId {}",notification.getType(), topicId.getValue());
+ }
+
}
}
}
final ContainerNode topicNotification = Builders.containerBuilder()
.withNodeIdentifier(TOPIC_NOTIFICATION_ARG)
.withChild(ImmutableNodes.leafNode(TOPIC_ID_ARG, topicId))
- .withChild(ImmutableNodes.leafNode(EVENT_SOURCE_ARG, nodeId))
+ .withChild(ImmutableNodes.leafNode(EVENT_SOURCE_ARG, this.nodeId))
.withChild(encapsulate(notification))
.build();
try {
final DOMResult result = new DOMResult(element);
- final SchemaContext context = netconfMount.getSchemaContext();
+ final SchemaContext context = getDOMMountPoint().getSchemaContext();
final SchemaPath schemaPath = body.getType();
try {
NetconfMessageTransformUtil.writeNormalizedNode(body.getBody(), result, schemaPath, context);
}
}
- @Override
- public void onDataChanged(final AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
- boolean wasConnected = false;
- boolean nowConnected = false;
-
- for (final Map.Entry<InstanceIdentifier<?>, DataObject> changeEntry : change.getOriginalData().entrySet()) {
- if ( isNetconfNode(changeEntry) ) {
- final NetconfNode nn = (NetconfNode)changeEntry.getValue();
- wasConnected = nn.isConnected();
- }
- }
-
- for (final Map.Entry<InstanceIdentifier<?>, DataObject> changeEntry : change.getUpdatedData().entrySet()) {
- if ( isNetconfNode(changeEntry) ) {
- final NetconfNode nn = (NetconfNode)changeEntry.getValue();
- nowConnected = nn.isConnected();
- }
- }
-
- if (wasConnected == false && nowConnected == true) {
- resubscribeToActiveStreams();
- }
- }
-
- private static boolean isNetconfNode(final Map.Entry<InstanceIdentifier<?>, DataObject> changeEntry ) {
- return NetconfNode.class.equals(changeEntry.getKey().getTargetType());
- }
-
private List<SchemaPath> getMatchingNotifications(NotificationPattern notificationPattern){
// FIXME: default language should already be regex
final String regex = Util.wildcardToRegex(notificationPattern.getValue());
@Override
public void close() throws Exception {
- for(StreamNotificationTopicRegistration streamReg : streamNotifRegistrationMap.values()){
- streamReg.deactivateStream();
+ for(NotificationTopicRegistration streamReg : notificationTopicRegistrationList){
+ streamReg.close();
}
}
@Override
public NodeKey getSourceNodeKey(){
- return node.getKey();
+ return getNode().getKey();
}
@Override
public List<SchemaPath> getAvailableNotifications() {
+
+ final List<SchemaPath> availNotifList = new ArrayList<>();
+ // add Event Source Connection status notification
+ availNotifList.add(ConnectionNotificationTopicRegistration.EVENT_SOURCE_STATUS_PATH);
+
// FIXME: use SchemaContextListener to get changes asynchronously
- final Set<NotificationDefinition> availableNotifications = netconfMount.getSchemaContext().getNotifications();
- final List<SchemaPath> qNs = new ArrayList<>(availableNotifications.size());
+ final Set<NotificationDefinition> availableNotifications = getDOMMountPoint().getSchemaContext().getNotifications();
+ // add all known notifications from netconf device
for (final NotificationDefinition nd : availableNotifications) {
- qNs.add(nd.getPath());
+ availNotifList.add(nd.getPath());
}
- return qNs;
+ return availNotifList;
}
- private class StreamNotificationTopicRegistration{
-
- final private String streamName;
- final private DOMMountPoint netconfMount;
- final private String nodeId;
- final private NetconfEventSource notificationListener;
- private boolean active;
-
- private ConcurrentHashMap<SchemaPath, ListenerRegistration<NetconfEventSource>> notificationRegistrationMap = new ConcurrentHashMap<>();
- private ConcurrentHashMap<SchemaPath, ArrayList<TopicId>> notificationTopicMap = new ConcurrentHashMap<>();
-
- public StreamNotificationTopicRegistration(final String streamName, final String nodeId, final DOMMountPoint netconfMount, NetconfEventSource notificationListener) {
- this.streamName = streamName;
- this.netconfMount = netconfMount;
- this.nodeId = nodeId;
- this.notificationListener = notificationListener;
- this.active = false;
- }
-
- public boolean isActive() {
- return active;
- }
-
- public void reActivateStream(){
- if(this.isActive()){
- LOG.info("Stream {} is reactivated active on node {}.", this.streamName, this.nodeId);
- final ContainerNode input = Builders.containerBuilder().withNodeIdentifier(new NodeIdentifier(CreateSubscriptionInput.QNAME))
- .withChild(ImmutableNodes.leafNode(STREAM_QNAME, this.streamName))
- .build();
- netconfMount.getService(DOMRpcService.class).get().invokeRpc(CREATE_SUBSCRIPTION, input);
- }
- }
-
- public void activateStream() {
- if(this.isActive() == false){
- LOG.info("Stream {} is not active on node {}. Will subscribe.", this.streamName, this.nodeId);
- final ContainerNode input = Builders.containerBuilder().withNodeIdentifier(new NodeIdentifier(CreateSubscriptionInput.QNAME))
- .withChild(ImmutableNodes.leafNode(STREAM_QNAME, this.streamName))
- .build();
- netconfMount.getService(DOMRpcService.class).get().invokeRpc(CREATE_SUBSCRIPTION, input);
- this.active = true;
- } else {
- LOG.info("Stream {} is now active on node {}", this.streamName, this.nodeId);
- }
- }
-
- public void deactivateStream() {
- for(ListenerRegistration<NetconfEventSource> reg : notificationRegistrationMap.values()){
- reg.close();
- }
- this.active = false;
- }
-
- public String getStreamName() {
- return streamName;
- }
+ public Node getNode() {
+ return node;
+ }
- public ArrayList<TopicId> getNotificationTopicIds(SchemaPath notificationPath){
- return notificationTopicMap.get(notificationPath);
- }
+ DOMMountPoint getDOMMountPoint() {
+ return netconfMount;
+ }
- public void registerNotificationListenerTopic(SchemaPath notificationPath, TopicId topicId){
- final Optional<DOMNotificationService> notifyService = netconfMount.getService(DOMNotificationService.class);
- if(notificationPath != null && notifyService.isPresent()){
- ListenerRegistration<NetconfEventSource> registration = notifyService.get().registerNotificationListener(this.notificationListener,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);
- }
- }
+ MountPoint getMountPoint() {
+ return mountPoint;
+ }
+ NetconfNode getNetconfNode(){
+ return node.getAugmentation(NetconfNode.class);
}
+
}
Code Review / controller.git / blobdiff