+/*
+ * 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.Preconditions;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+import org.opendaylight.controller.config.yang.messagebus.netconf.NamespaceToStream;
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
+import org.opendaylight.controller.md.sal.binding.api.MountPointService;
+import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
+import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.controller.md.sal.dom.api.DOMMountPointService;
+import org.opendaylight.controller.md.sal.dom.api.DOMNotificationPublishService;
+import org.opendaylight.controller.messagebus.spi.EventSourceRegistry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.NetconfNode;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netconf.node.topology.rev150114.network.topology.topology.topology.types.TopologyNetconf;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.yang.binding.DataObject;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public final class NetconfEventSourceManager implements DataChangeListener, AutoCloseable {
+
+ private static final Logger LOG = LoggerFactory.getLogger(NetconfEventSourceManager.class);
+ private static final TopologyKey NETCONF_TOPOLOGY_KEY = new TopologyKey(
+ new TopologyId(TopologyNetconf.QNAME.getLocalName()));
+ private static final InstanceIdentifier<Node> NETCONF_DEVICE_PATH = InstanceIdentifier.create(NetworkTopology.class)
+ .child(Topology.class, NETCONF_TOPOLOGY_KEY).child(Node.class);
+
+ private final Map<String, String> streamMap;
+ private final ConcurrentHashMap<InstanceIdentifier<?>, NetconfEventSourceRegistration> registrationMap = new ConcurrentHashMap<>();
+ private final DOMNotificationPublishService publishService;
+ private final DOMMountPointService domMounts;
+ private final MountPointService mountPointService;
+ private ListenerRegistration<DataChangeListener> listenerRegistration;
+ private final EventSourceRegistry eventSourceRegistry;
+
+ public static NetconfEventSourceManager create(final DataBroker dataBroker,
+ final DOMNotificationPublishService domPublish, final DOMMountPointService domMount,
+ final MountPointService bindingMount, final EventSourceRegistry eventSourceRegistry,
+ final List<NamespaceToStream> namespaceMapping) {
+
+ final NetconfEventSourceManager eventSourceManager = new NetconfEventSourceManager(domPublish, domMount,
+ bindingMount, eventSourceRegistry, namespaceMapping);
+
+ eventSourceManager.initialize(dataBroker);
+
+ return eventSourceManager;
+
+ }
+
+ private NetconfEventSourceManager(final DOMNotificationPublishService domPublish,
+ final DOMMountPointService domMount, final MountPointService bindingMount,
+ final EventSourceRegistry eventSourceRegistry, final List<NamespaceToStream> namespaceMapping) {
+
+ Preconditions.checkNotNull(domPublish);
+ Preconditions.checkNotNull(domMount);
+ Preconditions.checkNotNull(bindingMount);
+ Preconditions.checkNotNull(eventSourceRegistry);
+ Preconditions.checkNotNull(namespaceMapping);
+ this.streamMap = namespaceToStreamMapping(namespaceMapping);
+ this.domMounts = domMount;
+ this.mountPointService = bindingMount;
+ this.publishService = domPublish;
+ this.eventSourceRegistry = eventSourceRegistry;
+ }
+
+ private void initialize(final DataBroker dataBroker) {
+ Preconditions.checkNotNull(dataBroker);
+ listenerRegistration = dataBroker
+ .registerDataChangeListener(LogicalDatastoreType.OPERATIONAL, NETCONF_DEVICE_PATH, this,
+ DataChangeScope.SUBTREE);
+ LOG.info("NetconfEventSourceManager initialized.");
+ }
+
+ private Map<String, String> namespaceToStreamMapping(final List<NamespaceToStream> namespaceMapping) {
+ final Map<String, String> streamMap = new HashMap<>(namespaceMapping.size());
+
+ for (final NamespaceToStream nToS : namespaceMapping) {
+ streamMap.put(nToS.getUrnPrefix(), nToS.getStreamName());
+ }
+
+ return streamMap;
+ }
+
+ @Override public void onDataChanged(final AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> event) {
+
+ LOG.debug("[DataChangeEvent<InstanceIdentifier<?>, DataObject>: {}]", event);
+ for (final Map.Entry<InstanceIdentifier<?>, DataObject> changeEntry : event.getCreatedData().entrySet()) {
+ if (changeEntry.getValue() instanceof Node) {
+ nodeCreated(changeEntry.getKey(), (Node) changeEntry.getValue());
+ }
+ }
+
+ for (final Map.Entry<InstanceIdentifier<?>, DataObject> changeEntry : event.getUpdatedData().entrySet()) {
+ if (changeEntry.getValue() instanceof Node) {
+ nodeUpdated(changeEntry.getKey(), (Node) changeEntry.getValue());
+ }
+ }
+
+ for (InstanceIdentifier<?> removePath : event.getRemovedPaths()) {
+ DataObject removeObject = event.getOriginalData().get(removePath);
+ if (removeObject instanceof Node) {
+ nodeRemoved(removePath);
+ }
+ }
+
+ }
+
+ private void nodeCreated(final InstanceIdentifier<?> key, final Node node) {
+ Preconditions.checkNotNull(key);
+ if (validateNode(node) == false) {
+ LOG.warn("NodeCreated event : Node [{}] is null or not valid.", key.toString());
+ return;
+ }
+ LOG.info("Netconf event source [{}] is creating...", key.toString());
+ NetconfEventSourceRegistration nesr = NetconfEventSourceRegistration.create(key, node, this);
+ if (nesr != null) {
+ NetconfEventSourceRegistration nesrOld = registrationMap.put(key, nesr);
+ if (nesrOld != null) {
+ nesrOld.close();
+ }
+ }
+ }
+
+ private void nodeUpdated(final InstanceIdentifier<?> key, final Node node) {
+ Preconditions.checkNotNull(key);
+ if (validateNode(node) == false) {
+ LOG.warn("NodeUpdated event : Node [{}] is null or not valid.", key.toString());
+ return;
+ }
+
+ LOG.info("Netconf event source [{}] is updating...", key.toString());
+ NetconfEventSourceRegistration nesr = registrationMap.get(key);
+ if (nesr != null) {
+ nesr.updateStatus();
+ } else {
+ nodeCreated(key, node);
+ }
+ }
+
+ private void nodeRemoved(final InstanceIdentifier<?> key) {
+ Preconditions.checkNotNull(key);
+ LOG.info("Netconf event source [{}] is removing...", key.toString());
+ NetconfEventSourceRegistration nesr = registrationMap.remove(key);
+ if (nesr != null) {
+ nesr.close();
+ }
+ }
+
+ private boolean validateNode(final Node node) {
+ if (node == null) {
+ return false;
+ }
+ return isNetconfNode(node);
+ }
+
+ Map<String, String> getStreamMap() {
+ return streamMap;
+ }
+
+ DOMNotificationPublishService getPublishService() {
+ return publishService;
+ }
+
+ DOMMountPointService getDomMounts() {
+ return domMounts;
+ }
+
+ EventSourceRegistry getEventSourceRegistry() {
+ return eventSourceRegistry;
+ }
+
+ MountPointService getMountPointService() {
+ return mountPointService;
+ }
+
+ private boolean isNetconfNode(final Node node) {
+ return node.getAugmentation(NetconfNode.class) != null;
+ }
+
+ @Override public void close() {
+ listenerRegistration.close();
+ for (final NetconfEventSourceRegistration reg : registrationMap.values()) {
+ reg.close();
+ }
+ registrationMap.clear();
+ }
+
+}
\ No newline at end of file
Code Review / controller.git / blobdiff