package org.opendaylight.netconf.messagebus.eventsources.netconf;
import com.google.common.base.Preconditions;
-import java.util.HashMap;
-import java.util.List;
+import java.util.Collection;
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.binding.api.DataObjectModification;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeChangeListener;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeIdentifier;
+import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
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.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 {
+/**
+ * NetconfEventSourceManager implements DataChangeListener. On topology changes, it manages creation,
+ * updating and removing registrations of event sources.
+ */
+public final class NetconfEventSourceManager implements DataTreeChangeListener<Node>, AutoCloseable {
private static final Logger LOG = LoggerFactory.getLogger(NetconfEventSourceManager.class);
private static final TopologyKey NETCONF_TOPOLOGY_KEY = new TopologyKey(
- new TopologyId(TopologyNetconf.QNAME.getLocalName()));
+ 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);
+ .child(Topology.class, NETCONF_TOPOLOGY_KEY).child(Node.class);
- private final Map<String, String> streamMap;
- private final ConcurrentHashMap<InstanceIdentifier<?>, NetconfEventSourceRegistration> registrationMap = new ConcurrentHashMap<>();
+ private 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 ListenerRegistration<NetconfEventSourceManager> listenerRegistration;
private final EventSourceRegistry eventSourceRegistry;
+ private final DataBroker dataBroker;
- 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) {
-
+ public NetconfEventSourceManager(final DataBroker dataBroker,
+ final DOMNotificationPublishService domPublish,
+ final DOMMountPointService domMount,
+ final EventSourceRegistry eventSourceRegistry) {
+ Preconditions.checkNotNull(dataBroker);
Preconditions.checkNotNull(domPublish);
Preconditions.checkNotNull(domMount);
- Preconditions.checkNotNull(bindingMount);
Preconditions.checkNotNull(eventSourceRegistry);
- Preconditions.checkNotNull(namespaceMapping);
- this.streamMap = namespaceToStreamMapping(namespaceMapping);
+ this.dataBroker = dataBroker;
this.domMounts = domMount;
- this.mountPointService = bindingMount;
this.publishService = domPublish;
this.eventSourceRegistry = eventSourceRegistry;
}
- private void initialize(final DataBroker dataBroker) {
+ /**
+ * Invoked by blueprint.
+ */
+ public void initialize() {
Preconditions.checkNotNull(dataBroker);
- listenerRegistration = dataBroker
- .registerDataChangeListener(LogicalDatastoreType.OPERATIONAL, NETCONF_DEVICE_PATH, this,
- DataChangeScope.SUBTREE);
+ listenerRegistration = dataBroker.registerDataTreeChangeListener(new DataTreeIdentifier<>(
+ LogicalDatastoreType.OPERATIONAL, NETCONF_DEVICE_PATH), this);
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());
+ @Override
+ public void onDataTreeChanged(Collection<DataTreeModification<Node>> changes) {
+ for (DataTreeModification<Node> change: changes) {
+ LOG.debug("DataTreeModification: {}", change);
+ final DataObjectModification<Node> rootNode = change.getRootNode();
+ final InstanceIdentifier<Node> identifier = change.getRootPath().getRootIdentifier();
+ switch (rootNode.getModificationType()) {
+ case WRITE:
+ case SUBTREE_MODIFIED:
+ nodeCreated(identifier, rootNode.getDataAfter());
+ break;
+ case DELETE:
+ nodeRemoved(identifier);
+ break;
+ default:
+ break;
}
}
-
- 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) {
+ if (!validateNode(node)) {
LOG.warn("NodeCreated event : Node [{}] is null or not valid.", key.toString());
return;
}
}
}
- 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());
return eventSourceRegistry;
}
- MountPointService getMountPointService() {
- return mountPointService;
+ /**
+ * Invoked by blueprint.
+ *
+ * @param streamMap Stream map
+ */
+ public void setStreamMap(Map<String, String> streamMap) {
+ this.streamMap = streamMap;
}
private boolean isNetconfNode(final Node node) {
return node.getAugmentation(NetconfNode.class) != null;
}
- @Override public void close() {
+ @Override
+ public void close() {
listenerRegistration.close();
for (final NetconfEventSourceRegistration reg : registrationMap.values()) {
reg.close();
}
registrationMap.clear();
}
-
-}
\ No newline at end of file
+}
Code Review / netconf.git / blobdiff