/*
- * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
+ * 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.app.impl;
-import java.util.List;
+import com.google.common.annotations.VisibleForTesting;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.MoreExecutors;
+import java.util.Collections;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
-
-import org.opendaylight.controller.md.sal.binding.api.DataBroker;
-import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.mdsal.DataStore;
+import org.opendaylight.controller.messagebus.app.util.Util;
+import org.opendaylight.controller.messagebus.spi.EventSource;
+import org.opendaylight.controller.messagebus.spi.EventSourceRegistration;
+import org.opendaylight.controller.messagebus.spi.EventSourceRegistry;
+import org.opendaylight.mdsal.binding.api.DataBroker;
+import org.opendaylight.mdsal.binding.api.RpcConsumerRegistry;
+import org.opendaylight.mdsal.binding.api.RpcProviderService;
+import org.opendaylight.mdsal.binding.api.WriteTransaction;
+import org.opendaylight.mdsal.common.api.CommitInfo;
+import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.CreateTopicInput;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.CreateTopicOutput;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.CreateTopicOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.DestroyTopicInput;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.DestroyTopicOutput;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.DestroyTopicOutputBuilder;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.EventAggregatorService;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.NotificationPattern;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.TopicId;
+import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.EventSourceService;
import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.Node1;
import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.Node1Builder;
import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.TopologyTypes1;
import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.TopologyTypes1Builder;
import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.topology.event.source.type.TopologyEventSource;
import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.topology.event.source.type.TopologyEventSourceBuilder;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
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.NodeId;
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.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.TopologyTypes;
-import org.opendaylight.yangtools.concepts.ListenerRegistration;
+import org.opendaylight.yangtools.concepts.ObjectRegistration;
+import org.opendaylight.yangtools.concepts.Registration;
+import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
+import org.opendaylight.yangtools.yang.common.RpcResult;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+public class EventSourceTopology implements EventAggregatorService, EventSourceRegistry {
+ private static final Logger LOG = LoggerFactory.getLogger(EventSourceTopology.class);
-public class EventSourceTopology {
- private static final Logger LOGGER = LoggerFactory.getLogger(EventSourceTopology.class);
+ private static final String TOPOLOGY_ID = "EVENT-SOURCE-TOPOLOGY" ;
+ private static final TopologyKey EVENT_SOURCE_TOPOLOGY_KEY = new TopologyKey(new TopologyId(TOPOLOGY_ID));
+ private static final LogicalDatastoreType OPERATIONAL = LogicalDatastoreType.OPERATIONAL;
- private static final String topologyId = "EVENT-SOURCE-TOPOLOGY" ;
- private static final TopologyKey topologyKey = new TopologyKey(new TopologyId(topologyId));
- private static final LogicalDatastoreType datastoreType = LogicalDatastoreType.OPERATIONAL;
+ static final InstanceIdentifier<Topology> EVENT_SOURCE_TOPOLOGY_PATH =
+ InstanceIdentifier.create(NetworkTopology.class).child(Topology.class, EVENT_SOURCE_TOPOLOGY_KEY);
- private static final InstanceIdentifier<Topology> topologyInstanceIdentifier =
- InstanceIdentifier.create(NetworkTopology.class)
- .child(Topology.class, topologyKey);
+ private static final InstanceIdentifier<TopologyTypes1> TOPOLOGY_TYPE_PATH = EVENT_SOURCE_TOPOLOGY_PATH
+ .child(TopologyTypes.class).augmentation(TopologyTypes1.class);
- private static final InstanceIdentifier<TopologyTypes1> topologyTypeInstanceIdentifier =
- topologyInstanceIdentifier
- .child(TopologyTypes.class)
- .augmentation(TopologyTypes1.class);
+ private final Map<TopicId, EventSourceTopic> eventSourceTopicMap = new ConcurrentHashMap<>();
+ private final Map<NodeKey, Registration> routedRpcRegistrations = new ConcurrentHashMap<>();
- private static final InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang
- .network.topology.rev131021.network.topology.topology.Node> eventSourceTopologyPath =
- InstanceIdentifier.create(NetworkTopology.class)
- .child(Topology.class)
- .child(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang
- .network.topology.rev131021.network.topology.topology.Node.class);
+ private final DataBroker dataBroker;
+ private final ObjectRegistration<EventSourceTopology> aggregatorRpcReg;
+ private final EventSourceService eventSourceService;
+ private final RpcProviderService rpcRegistry;
- private final Map<DataChangeListener, ListenerRegistration<DataChangeListener>> registrations =
- new ConcurrentHashMap<>();
+ public EventSourceTopology(final DataBroker dataBroker, final RpcProviderService providerService,
+ RpcConsumerRegistry rpcService) {
- private final DataStore dataStore;
+ this.dataBroker = dataBroker;
+ this.rpcRegistry = providerService;
+ aggregatorRpcReg = providerService.registerRpcImplementation(EventAggregatorService.class, this);
+ eventSourceService = rpcService.getRpcService(EventSourceService.class);
- public EventSourceTopology(DataStore dataStore) {
- this.dataStore = dataStore;
+ 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");
}
- public void mdsalReady() {
- TopologyEventSource topologySource = new TopologyEventSourceBuilder().build();
- TopologyTypes1 topologyTypeAugment = new TopologyTypes1Builder().setTopologyEventSource(topologySource).build();
+ private <T extends DataObject> void putData(final LogicalDatastoreType store,
+ final InstanceIdentifier<T> path,
+ final T data) {
+
+ final WriteTransaction tx = getDataBroker().newWriteOnlyTransaction();
+ tx.mergeParentStructurePut(store, path, data);
+ tx.commit().addCallback(new FutureCallback<CommitInfo>() {
+ @Override
+ public void onSuccess(final CommitInfo result) {
+ LOG.trace("Data has put into datastore {} {}", store, path);
+ }
+
+ @Override
+ public void onFailure(final Throwable ex) {
+ LOG.error("Can not put data into datastore [store: {}] [path: {}]", store, path, ex);
+ }
+ }, MoreExecutors.directExecutor());
+ }
- dataStore.asyncPUT(datastoreType, topologyTypeInstanceIdentifier, topologyTypeAugment);
+ private <T extends DataObject> void deleteData(final LogicalDatastoreType store,
+ final InstanceIdentifier<T> path) {
+ final WriteTransaction tx = getDataBroker().newWriteOnlyTransaction();
+ tx.delete(OPERATIONAL, path);
+ tx.commit().addCallback(new FutureCallback<CommitInfo>() {
+ @Override
+ public void onSuccess(final CommitInfo result) {
+ LOG.trace("Data has deleted from datastore {} {}", store, path);
+ }
+
+ @Override
+ public void onFailure(final Throwable ex) {
+ LOG.error("Can not delete data from datastore [store: {}] [path: {}]", store, path, ex);
+ }
+ }, MoreExecutors.directExecutor());
}
- public void insert(Node node) {
- String nodeId = node.getKey().getId().getValue();
- NodeKey nodeKey = new NodeKey(new NodeId(nodeId));
- InstanceIdentifier<Node1> topologyNodeAugment
- = topologyInstanceIdentifier
- .child(org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang
- .network.topology.rev131021.network.topology.topology.Node.class, nodeKey)
- .augmentation(Node1.class);
-
- Node1 nodeAgument = new Node1Builder().setEventSourceNode(node.getId()).build();
- dataStore.asyncPUT(datastoreType, topologyNodeAugment, nodeAgument);
+ 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);
}
- // TODO: Should we expose this functioanlity over RPC?
- public List<org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang
- .network.topology.rev131021.network.topology.topology.Node> snapshot() {
- Topology topology = dataStore.read(datastoreType, topologyInstanceIdentifier);
- return topology.getNode();
+ private void remove(final KeyedInstanceIdentifier<Node, NodeKey> sourcePath) {
+ final InstanceIdentifier<Node1> augmentPath = sourcePath.augmentation(Node1.class);
+ deleteData(OPERATIONAL, augmentPath);
}
- public void registerDataChangeListener(DataChangeListener listener) {
- ListenerRegistration<DataChangeListener> listenerRegistration = dataStore.registerDataChangeListener(datastoreType,
- eventSourceTopologyPath,
- listener,
- DataBroker.DataChangeScope.SUBTREE);
+ @Override
+ public ListenableFuture<RpcResult<CreateTopicOutput>> createTopic(final CreateTopicInput input) {
+ LOG.debug("Received Topic creation request: NotificationPattern -> {}, NodeIdPattern -> {}",
+ input.getNotificationPattern(),
+ input.getNodeIdPattern());
+
+ final NotificationPattern notificationPattern = new NotificationPattern(input.getNotificationPattern());
+ //FIXME: do not use Util.wildcardToRegex - NodeIdPatter should be regex
+ final String nodeIdPattern = input.getNodeIdPattern().getValue();
+ final EventSourceTopic eventSourceTopic = EventSourceTopic.create(notificationPattern, nodeIdPattern, this);
+
+ eventSourceTopicMap.put(eventSourceTopic.getTopicId(), eventSourceTopic);
+
+ final CreateTopicOutput cto = new CreateTopicOutputBuilder()
+ .setTopicId(eventSourceTopic.getTopicId())
+ .build();
+
+ LOG.info("Topic has been created: NotificationPattern -> {}, NodeIdPattern -> {}",
+ input.getNotificationPattern(),
+ input.getNodeIdPattern());
+
+ return Util.resultRpcSuccessFor(cto);
+ }
+
+ @Override
+ public ListenableFuture<RpcResult<DestroyTopicOutput>> destroyTopic(final DestroyTopicInput input) {
+ final EventSourceTopic topicToDestroy = eventSourceTopicMap.remove(input.getTopicId());
+ if (topicToDestroy != null) {
+ topicToDestroy.close();
+ }
+ return Util.resultRpcSuccessFor(new DestroyTopicOutputBuilder().build());
+ }
+
+ @Override
+ public void close() {
+ aggregatorRpcReg.close();
+ eventSourceTopicMap.values().forEach(EventSourceTopic::close);
+ }
+
+ public void register(final EventSource eventSource) {
+ final NodeKey nodeKey = eventSource.getSourceNodeKey();
+ final KeyedInstanceIdentifier<Node, NodeKey> sourcePath = EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class, nodeKey);
+ final Registration reg = rpcRegistry.registerRpcImplementation(EventSourceService.class, eventSource,
+ Collections.singleton(sourcePath));
+ routedRpcRegistrations.put(nodeKey, reg);
+ insert(sourcePath);
+ }
+
+ 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 Registration removeRegistration = routedRpcRegistrations.remove(nodeKey);
+ if (removeRegistration != null) {
+ removeRegistration.close();
+ remove(sourcePath);
+ }
+ }
+
+ @Override
+ public <T extends EventSource> EventSourceRegistration<T> registerEventSource(final T eventSource) {
+ final EventSourceRegistrationImpl<T> esr = new EventSourceRegistrationImpl<>(eventSource, this);
+ register(eventSource);
+ return esr;
+ }
+
+ DataBroker getDataBroker() {
+ return dataBroker;
+ }
+
+ EventSourceService getEventSourceService() {
+ return eventSourceService;
+ }
+
+ @VisibleForTesting
+ Map<NodeKey, Registration> getRoutedRpcRegistrations() {
+ return routedRpcRegistrations;
+ }
- registrations.put(listener, listenerRegistration);
+ @VisibleForTesting
+ Map<TopicId, EventSourceTopic> getEventSourceTopicMap() {
+ return eventSourceTopicMap;
}
}