2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.controller.messagebus.app.impl;
10 import com.google.common.annotations.VisibleForTesting;
11 import com.google.common.util.concurrent.FutureCallback;
12 import com.google.common.util.concurrent.ListenableFuture;
13 import com.google.common.util.concurrent.MoreExecutors;
14 import java.util.Collections;
16 import java.util.concurrent.ConcurrentHashMap;
17 import org.opendaylight.controller.messagebus.app.util.Util;
18 import org.opendaylight.controller.messagebus.spi.EventSource;
19 import org.opendaylight.controller.messagebus.spi.EventSourceRegistration;
20 import org.opendaylight.controller.messagebus.spi.EventSourceRegistry;
21 import org.opendaylight.mdsal.binding.api.DataBroker;
22 import org.opendaylight.mdsal.binding.api.RpcConsumerRegistry;
23 import org.opendaylight.mdsal.binding.api.RpcProviderService;
24 import org.opendaylight.mdsal.binding.api.WriteTransaction;
25 import org.opendaylight.mdsal.common.api.CommitInfo;
26 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
27 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.CreateTopicInput;
28 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.CreateTopicOutput;
29 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.CreateTopicOutputBuilder;
30 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.DestroyTopicInput;
31 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.DestroyTopicOutput;
32 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.DestroyTopicOutputBuilder;
33 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.EventAggregatorService;
34 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.NotificationPattern;
35 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.TopicId;
36 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.EventSourceService;
37 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.Node1;
38 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.Node1Builder;
39 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.TopologyTypes1;
40 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.TopologyTypes1Builder;
41 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.topology.event.source.type.TopologyEventSource;
42 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.topology.event.source.type.TopologyEventSourceBuilder;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
44 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
45 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
46 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
47 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
48 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
49 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
50 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.TopologyTypes;
51 import org.opendaylight.yangtools.concepts.ObjectRegistration;
52 import org.opendaylight.yangtools.concepts.Registration;
53 import org.opendaylight.yangtools.yang.binding.DataObject;
54 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
55 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
56 import org.opendaylight.yangtools.yang.common.RpcResult;
57 import org.slf4j.Logger;
58 import org.slf4j.LoggerFactory;
60 public class EventSourceTopology implements EventAggregatorService, EventSourceRegistry {
61 private static final Logger LOG = LoggerFactory.getLogger(EventSourceTopology.class);
63 private static final String TOPOLOGY_ID = "EVENT-SOURCE-TOPOLOGY" ;
64 private static final TopologyKey EVENT_SOURCE_TOPOLOGY_KEY = new TopologyKey(new TopologyId(TOPOLOGY_ID));
65 private static final LogicalDatastoreType OPERATIONAL = LogicalDatastoreType.OPERATIONAL;
67 static final InstanceIdentifier<Topology> EVENT_SOURCE_TOPOLOGY_PATH =
68 InstanceIdentifier.create(NetworkTopology.class).child(Topology.class, EVENT_SOURCE_TOPOLOGY_KEY);
70 private static final InstanceIdentifier<TopologyTypes1> TOPOLOGY_TYPE_PATH = EVENT_SOURCE_TOPOLOGY_PATH
71 .child(TopologyTypes.class).augmentation(TopologyTypes1.class);
73 private final Map<TopicId, EventSourceTopic> eventSourceTopicMap = new ConcurrentHashMap<>();
74 private final Map<NodeKey, Registration> routedRpcRegistrations = new ConcurrentHashMap<>();
76 private final DataBroker dataBroker;
77 private final ObjectRegistration<EventSourceTopology> aggregatorRpcReg;
78 private final EventSourceService eventSourceService;
79 private final RpcProviderService rpcRegistry;
81 public EventSourceTopology(final DataBroker dataBroker, final RpcProviderService providerService,
82 RpcConsumerRegistry rpcService) {
84 this.dataBroker = dataBroker;
85 this.rpcRegistry = providerService;
86 aggregatorRpcReg = providerService.registerRpcImplementation(EventAggregatorService.class, this);
87 eventSourceService = rpcService.getRpcService(EventSourceService.class);
89 final TopologyEventSource topologySource = new TopologyEventSourceBuilder().build();
90 final TopologyTypes1 topologyTypeAugment =
91 new TopologyTypes1Builder().setTopologyEventSource(topologySource).build();
92 putData(OPERATIONAL, TOPOLOGY_TYPE_PATH, topologyTypeAugment);
93 LOG.info("EventSourceRegistry has been initialized");
96 private <T extends DataObject> void putData(final LogicalDatastoreType store,
97 final InstanceIdentifier<T> path,
100 final WriteTransaction tx = getDataBroker().newWriteOnlyTransaction();
101 tx.mergeParentStructurePut(store, path, data);
102 tx.commit().addCallback(new FutureCallback<CommitInfo>() {
104 public void onSuccess(final CommitInfo result) {
105 LOG.trace("Data has put into datastore {} {}", store, path);
109 public void onFailure(final Throwable ex) {
110 LOG.error("Can not put data into datastore [store: {}] [path: {}]", store, path, ex);
112 }, MoreExecutors.directExecutor());
115 private <T extends DataObject> void deleteData(final LogicalDatastoreType store,
116 final InstanceIdentifier<T> path) {
117 final WriteTransaction tx = getDataBroker().newWriteOnlyTransaction();
118 tx.delete(OPERATIONAL, path);
119 tx.commit().addCallback(new FutureCallback<CommitInfo>() {
121 public void onSuccess(final CommitInfo result) {
122 LOG.trace("Data has deleted from datastore {} {}", store, path);
126 public void onFailure(final Throwable ex) {
127 LOG.error("Can not delete data from datastore [store: {}] [path: {}]", store, path, ex);
129 }, MoreExecutors.directExecutor());
132 private void insert(final KeyedInstanceIdentifier<Node, NodeKey> sourcePath) {
133 final NodeKey nodeKey = sourcePath.getKey();
134 final InstanceIdentifier<Node1> augmentPath = sourcePath.augmentation(Node1.class);
135 final Node1 nodeAgument = new Node1Builder().setEventSourceNode(
136 new NodeId(nodeKey.getNodeId().getValue())).build();
137 putData(OPERATIONAL, augmentPath, nodeAgument);
140 private void remove(final KeyedInstanceIdentifier<Node, NodeKey> sourcePath) {
141 final InstanceIdentifier<Node1> augmentPath = sourcePath.augmentation(Node1.class);
142 deleteData(OPERATIONAL, augmentPath);
146 public ListenableFuture<RpcResult<CreateTopicOutput>> createTopic(final CreateTopicInput input) {
147 LOG.debug("Received Topic creation request: NotificationPattern -> {}, NodeIdPattern -> {}",
148 input.getNotificationPattern(),
149 input.getNodeIdPattern());
151 final NotificationPattern notificationPattern = new NotificationPattern(input.getNotificationPattern());
152 //FIXME: do not use Util.wildcardToRegex - NodeIdPatter should be regex
153 final String nodeIdPattern = input.getNodeIdPattern().getValue();
154 final EventSourceTopic eventSourceTopic = EventSourceTopic.create(notificationPattern, nodeIdPattern, this);
156 eventSourceTopicMap.put(eventSourceTopic.getTopicId(), eventSourceTopic);
158 final CreateTopicOutput cto = new CreateTopicOutputBuilder()
159 .setTopicId(eventSourceTopic.getTopicId())
162 LOG.info("Topic has been created: NotificationPattern -> {}, NodeIdPattern -> {}",
163 input.getNotificationPattern(),
164 input.getNodeIdPattern());
166 return Util.resultRpcSuccessFor(cto);
170 public ListenableFuture<RpcResult<DestroyTopicOutput>> destroyTopic(final DestroyTopicInput input) {
171 final EventSourceTopic topicToDestroy = eventSourceTopicMap.remove(input.getTopicId());
172 if (topicToDestroy != null) {
173 topicToDestroy.close();
175 return Util.resultRpcSuccessFor(new DestroyTopicOutputBuilder().build());
179 public void close() {
180 aggregatorRpcReg.close();
181 eventSourceTopicMap.values().forEach(EventSourceTopic::close);
184 public void register(final EventSource eventSource) {
185 final NodeKey nodeKey = eventSource.getSourceNodeKey();
186 final KeyedInstanceIdentifier<Node, NodeKey> sourcePath = EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class, nodeKey);
187 final Registration reg = rpcRegistry.registerRpcImplementation(EventSourceService.class, eventSource,
188 Collections.singleton(sourcePath));
189 routedRpcRegistrations.put(nodeKey, reg);
193 public void unRegister(final EventSource eventSource) {
194 final NodeKey nodeKey = eventSource.getSourceNodeKey();
195 final KeyedInstanceIdentifier<Node, NodeKey> sourcePath = EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class, nodeKey);
196 final Registration removeRegistration = routedRpcRegistrations.remove(nodeKey);
197 if (removeRegistration != null) {
198 removeRegistration.close();
204 public <T extends EventSource> EventSourceRegistration<T> registerEventSource(final T eventSource) {
205 final EventSourceRegistrationImpl<T> esr = new EventSourceRegistrationImpl<>(eventSource, this);
206 register(eventSource);
210 DataBroker getDataBroker() {
214 EventSourceService getEventSourceService() {
215 return eventSourceService;
219 Map<NodeKey, Registration> getRoutedRpcRegistrations() {
220 return routedRpcRegistrations;
224 Map<TopicId, EventSourceTopic> getEventSourceTopicMap() {
225 return eventSourceTopicMap;