package org.opendaylight.controller.messagebus.app.impl;
-import com.google.common.base.Optional;
-import com.google.common.util.concurrent.Futures;
-
-import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
import java.util.concurrent.Future;
+import java.util.regex.Pattern;
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.WriteTransaction;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
+import org.opendaylight.controller.messagebus.spi.EventSource;
+import org.opendaylight.controller.messagebus.spi.EventSourceRegistration;
+import org.opendaylight.controller.messagebus.spi.EventSourceRegistry;
+import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RoutedRpcRegistration;
import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RpcRegistration;
import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.CreateTopicInput;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import java.util.regex.Pattern;
+import com.google.common.base.Optional;
+import com.google.common.util.concurrent.CheckedFuture;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+
-public class EventSourceTopology implements EventAggregatorService, AutoCloseable {
+public class EventSourceTopology implements EventAggregatorService, EventSourceRegistry {
private static final Logger LOG = LoggerFactory.getLogger(EventSourceTopology.class);
private static final String TOPOLOGY_ID = "EVENT-SOURCE-TOPOLOGY" ;
.child(TopologyTypes.class)
.augmentation(TopologyTypes1.class);
- private final Map<DataChangeListener, ListenerRegistration<DataChangeListener>> registrations =
+ private final Map<EventSourceTopic, ListenerRegistration<DataChangeListener>> topicListenerRegistrations =
+ new ConcurrentHashMap<>();
+ private final Map<NodeKey, RoutedRpcRegistration<EventSourceService>> routedRpcRegistrations =
new ConcurrentHashMap<>();
private final DataBroker dataBroker;
private final RpcRegistration<EventAggregatorService> aggregatorRpcReg;
private final EventSourceService eventSourceService;
private final RpcProviderRegistry rpcRegistry;
- private final ExecutorService executorService;
public EventSourceTopology(final DataBroker dataBroker, final RpcProviderRegistry rpcRegistry) {
+
this.dataBroker = dataBroker;
- this.executorService = Executors.newCachedThreadPool();
this.rpcRegistry = rpcRegistry;
aggregatorRpcReg = rpcRegistry.addRpcImplementation(EventAggregatorService.class, this);
eventSourceService = rpcRegistry.getRpcService(EventSourceService.class);
final TopologyEventSource topologySource = new TopologyEventSourceBuilder().build();
final TopologyTypes1 topologyTypeAugment = new TopologyTypes1Builder().setTopologyEventSource(topologySource).build();
putData(OPERATIONAL, TOPOLOGY_TYPE_PATH, topologyTypeAugment);
+ LOG.info("EventSourceRegistry has been initialized");
}
private <T extends DataObject> void putData(final LogicalDatastoreType store,
- final InstanceIdentifier<T> path, final T data) {
+ final InstanceIdentifier<T> path,
+ final T data){
final WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
tx.put(store, path, data, true);
tx.submit();
+
}
- private void insert(final KeyedInstanceIdentifier<Node, NodeKey> sourcePath, final Node node) {
- final NodeKey nodeKey = node.getKey();
+ private <T extends DataObject> void deleteData(final LogicalDatastoreType store, final InstanceIdentifier<T> path){
+ final WriteTransaction tx = dataBroker.newWriteOnlyTransaction();
+ tx.delete(OPERATIONAL, path);
+ tx.submit();
+ }
+
+ private void insert(final KeyedInstanceIdentifier<Node, NodeKey> sourcePath) {
+ final NodeKey nodeKey = sourcePath.getKey();
final InstanceIdentifier<Node1> augmentPath = sourcePath.augmentation(Node1.class);
final Node1 nodeAgument = new Node1Builder().setEventSourceNode(new NodeId(nodeKey.getNodeId().getValue())).build();
putData(OPERATIONAL, augmentPath, nodeAgument);
}
+ private void remove(final KeyedInstanceIdentifier<Node, NodeKey> sourcePath){
+ final InstanceIdentifier<Node1> augmentPath = sourcePath.augmentation(Node1.class);
+ deleteData(OPERATIONAL, augmentPath);
+ }
+
private void notifyExistingNodes(final Pattern nodeIdPatternRegex, final EventSourceTopic eventSourceTopic){
- executorService.execute(new NotifyAllNodeExecutor(dataBroker, nodeIdPatternRegex, eventSourceTopic));
+
+ final ReadOnlyTransaction tx = dataBroker.newReadOnlyTransaction();
+
+ final CheckedFuture<Optional<Topology>, ReadFailedException> future = tx.read(OPERATIONAL, EVENT_SOURCE_TOPOLOGY_PATH);
+
+ Futures.addCallback(future, new FutureCallback<Optional<Topology>>(){
+
+ @Override
+ public void onSuccess(Optional<Topology> data) {
+ if(data.isPresent()) {
+ final List<Node> nodes = data.get().getNode();
+ for (final Node node : nodes) {
+ if (nodeIdPatternRegex.matcher(node.getNodeId().getValue()).matches()) {
+ eventSourceTopic.notifyNode(EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class, node.getKey()));
+ }
+ }
+ }
+ tx.close();
+ }
+
+ @Override
+ public void onFailure(Throwable t) {
+ LOG.error("Can not notify existing nodes {}", t);
+ tx.close();
+ }
+
+ });
+
}
@Override
final NotificationPattern notificationPattern = new NotificationPattern(input.getNotificationPattern());
final String nodeIdPattern = input.getNodeIdPattern().getValue();
- final Pattern nodeIdPatternRegex = Pattern.compile(Util.wildcardToRegex(nodeIdPattern));
- final EventSourceTopic eventSourceTopic = new EventSourceTopic(notificationPattern, input.getNodeIdPattern().getValue(), eventSourceService);
+ final Pattern nodeIdPatternRegex = Pattern.compile(nodeIdPattern);
+ final EventSourceTopic eventSourceTopic = new EventSourceTopic(notificationPattern, nodeIdPattern, eventSourceService);
registerTopic(eventSourceTopic);
.setTopicId(eventSourceTopic.getTopicId())
.build();
- return Util.resultFor(cto);
+ return Util.resultRpcSuccessFor(cto);
}
@Override
@Override
public void close() {
aggregatorRpcReg.close();
+ for(ListenerRegistration<DataChangeListener> reg : topicListenerRegistrations.values()){
+ reg.close();
+ }
}
- public void registerTopic(final EventSourceTopic listener) {
+ private void registerTopic(final EventSourceTopic listener) {
final ListenerRegistration<DataChangeListener> listenerRegistration = dataBroker.registerDataChangeListener(OPERATIONAL,
EVENT_SOURCE_TOPOLOGY_PATH,
listener,
DataBroker.DataChangeScope.SUBTREE);
- registrations.put(listener, listenerRegistration);
- }
-
- public void register(final Node node, final NetconfEventSource netconfEventSource) {
- final KeyedInstanceIdentifier<Node, NodeKey> sourcePath = EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class, node.getKey());
- rpcRegistry.addRoutedRpcImplementation(EventSourceService.class, netconfEventSource)
- .registerPath(NodeContext.class, sourcePath);
- insert(sourcePath,node);
- // FIXME: Return registration object.
+ topicListenerRegistrations.put(listener, listenerRegistration);
}
- private class NotifyAllNodeExecutor implements Runnable {
+ public void register(final EventSource eventSource){
+ NodeKey nodeKey = eventSource.getSourceNodeKey();
+ final KeyedInstanceIdentifier<Node, NodeKey> sourcePath = EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class, nodeKey);
+ RoutedRpcRegistration<EventSourceService> reg = rpcRegistry.addRoutedRpcImplementation(EventSourceService.class, eventSource);
+ reg.registerPath(NodeContext.class, sourcePath);
+ routedRpcRegistrations.put(nodeKey,reg);
+ insert(sourcePath);
- private final EventSourceTopic topic;
- private final DataBroker dataBroker;
- private final Pattern nodeIdPatternRegex;
-
- public NotifyAllNodeExecutor(final DataBroker dataBroker, final Pattern nodeIdPatternRegex, final EventSourceTopic topic) {
- this.topic = topic;
- this.dataBroker = dataBroker;
- this.nodeIdPatternRegex = nodeIdPatternRegex;
+ for(EventSourceTopic est : topicListenerRegistrations.keySet()){
+ est.notifyNode(EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class, nodeKey));
}
+ }
- @Override
- public void run() {
- //# Code reader note: Context of Node type is NetworkTopology
- final List<Node> nodes = snapshot();
- for (final Node node : nodes) {
- if (nodeIdPatternRegex.matcher(node.getNodeId().getValue()).matches()) {
- topic.notifyNode(EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class, node.getKey()));
- }
- }
+ public void unRegister(final EventSource eventSource){
+ final NodeKey nodeKey = eventSource.getSourceNodeKey();
+ final KeyedInstanceIdentifier<Node, NodeKey> sourcePath = EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class, nodeKey);
+ final RoutedRpcRegistration<EventSourceService> removeRegistration = routedRpcRegistrations.remove(nodeKey);
+ if(removeRegistration != null){
+ removeRegistration.close();
+ remove(sourcePath);
}
+ }
- private List<Node> snapshot() {
- try (ReadOnlyTransaction tx = dataBroker.newReadOnlyTransaction();) {
-
- final Optional<Topology> data = tx.read(OPERATIONAL, EVENT_SOURCE_TOPOLOGY_PATH).checkedGet();
-
- if(data.isPresent()) {
- final List<Node> nodeList = data.get().getNode();
- if(nodeList != null) {
- return nodeList;
- }
- }
- return Collections.emptyList();
- } catch (final ReadFailedException e) {
- LOG.error("Unable to retrieve node list.", e);
- return Collections.emptyList();
- }
- }
+ @Override
+ public <T extends EventSource> EventSourceRegistration<T> registerEventSource(
+ T eventSource) {
+ EventSourceRegistrationImpl<T> esr = new EventSourceRegistrationImpl<>(eventSource, this);
+ register(eventSource);
+ return esr;
}
}
+
Code Review / controller.git / blobdiff