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
9 package org.opendaylight.controller.messagebus.app.impl;
11 import com.google.common.util.concurrent.FutureCallback;
12 import com.google.common.util.concurrent.Futures;
14 import java.util.concurrent.ConcurrentHashMap;
15 import java.util.concurrent.Future;
16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
17 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
19 import org.opendaylight.controller.messagebus.app.util.Util;
20 import org.opendaylight.controller.messagebus.spi.EventSource;
21 import org.opendaylight.controller.messagebus.spi.EventSourceRegistration;
22 import org.opendaylight.controller.messagebus.spi.EventSourceRegistry;
23 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RoutedRpcRegistration;
24 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RpcRegistration;
25 import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry;
26 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.CreateTopicInput;
27 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.CreateTopicOutput;
28 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.CreateTopicOutputBuilder;
29 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.DestroyTopicInput;
30 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.EventAggregatorService;
31 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.NotificationPattern;
32 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventaggregator.rev141202.TopicId;
33 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.EventSourceService;
34 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.Node1;
35 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.Node1Builder;
36 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.TopologyTypes1;
37 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.TopologyTypes1Builder;
38 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.topology.event.source.type.TopologyEventSource;
39 import org.opendaylight.yang.gen.v1.urn.cisco.params.xml.ns.yang.messagebus.eventsource.rev141202.topology.event.source.type.TopologyEventSourceBuilder;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeContext;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
42 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NetworkTopology;
43 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.TopologyId;
44 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.Topology;
45 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.TopologyKey;
46 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
47 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey;
48 import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.TopologyTypes;
49 import org.opendaylight.yangtools.yang.binding.DataObject;
50 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
51 import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
52 import org.opendaylight.yangtools.yang.common.RpcResult;
53 import org.slf4j.Logger;
54 import org.slf4j.LoggerFactory;
57 public class EventSourceTopology implements EventAggregatorService, EventSourceRegistry {
58 private static final Logger LOG = LoggerFactory.getLogger(EventSourceTopology.class);
60 private static final String TOPOLOGY_ID = "EVENT-SOURCE-TOPOLOGY" ;
61 private static final TopologyKey EVENT_SOURCE_TOPOLOGY_KEY = new TopologyKey(new TopologyId(TOPOLOGY_ID));
62 private static final LogicalDatastoreType OPERATIONAL = LogicalDatastoreType.OPERATIONAL;
64 static final InstanceIdentifier<Topology> EVENT_SOURCE_TOPOLOGY_PATH =
65 InstanceIdentifier.create(NetworkTopology.class)
66 .child(Topology.class, EVENT_SOURCE_TOPOLOGY_KEY);
68 private static final InstanceIdentifier<TopologyTypes1> TOPOLOGY_TYPE_PATH =
69 EVENT_SOURCE_TOPOLOGY_PATH
70 .child(TopologyTypes.class)
71 .augmentation(TopologyTypes1.class);
73 private final Map<TopicId,EventSourceTopic> eventSourceTopicMap = new ConcurrentHashMap<>();
74 private final Map<NodeKey, RoutedRpcRegistration<EventSourceService>> routedRpcRegistrations =
75 new ConcurrentHashMap<>();
77 private final DataBroker dataBroker;
78 private final RpcRegistration<EventAggregatorService> aggregatorRpcReg;
79 private final EventSourceService eventSourceService;
80 private final RpcProviderRegistry rpcRegistry;
82 public EventSourceTopology(final DataBroker dataBroker, final RpcProviderRegistry rpcRegistry) {
84 this.dataBroker = dataBroker;
85 this.rpcRegistry = rpcRegistry;
86 aggregatorRpcReg = rpcRegistry.addRpcImplementation(EventAggregatorService.class, this);
87 eventSourceService = rpcRegistry.getRpcService(EventSourceService.class);
89 final TopologyEventSource topologySource = new TopologyEventSourceBuilder().build();
90 final TopologyTypes1 topologyTypeAugment = new TopologyTypes1Builder().setTopologyEventSource(topologySource).build();
91 putData(OPERATIONAL, TOPOLOGY_TYPE_PATH, topologyTypeAugment);
92 LOG.info("EventSourceRegistry has been initialized");
95 private <T extends DataObject> void putData(final LogicalDatastoreType store,
96 final InstanceIdentifier<T> path,
99 final WriteTransaction tx = getDataBroker().newWriteOnlyTransaction();
100 tx.put(store, path, data, true);
101 Futures.addCallback( tx.submit(), new FutureCallback<Void>(){
104 public void onSuccess(final Void result) {
105 LOG.trace("Data has put into datastore {} {}", store, path);
109 public void onFailure(final Throwable t) {
110 LOG.error("Can not put data into datastore [store: {}] [path: {}] [exception: {}]",store,path, t);
116 private <T extends DataObject> void deleteData(final LogicalDatastoreType store, final InstanceIdentifier<T> path){
117 final WriteTransaction tx = getDataBroker().newWriteOnlyTransaction();
118 tx.delete(OPERATIONAL, path);
119 Futures.addCallback( tx.submit(), new FutureCallback<Void>(){
122 public void onSuccess(final Void result) {
123 LOG.trace("Data has deleted from datastore {} {}", store, path);
127 public void onFailure(final Throwable t) {
128 LOG.error("Can not delete data from datastore [store: {}] [path: {}] [exception: {}]",store,path, t);
134 private void insert(final KeyedInstanceIdentifier<Node, NodeKey> sourcePath) {
135 final NodeKey nodeKey = sourcePath.getKey();
136 final InstanceIdentifier<Node1> augmentPath = sourcePath.augmentation(Node1.class);
137 final Node1 nodeAgument = new Node1Builder().setEventSourceNode(new NodeId(nodeKey.getNodeId().getValue())).build();
138 putData(OPERATIONAL, augmentPath, nodeAgument);
141 private void remove(final KeyedInstanceIdentifier<Node, NodeKey> sourcePath){
142 final InstanceIdentifier<Node1> augmentPath = sourcePath.augmentation(Node1.class);
143 deleteData(OPERATIONAL, augmentPath);
147 public Future<RpcResult<CreateTopicOutput>> createTopic(final CreateTopicInput input) {
148 LOG.debug("Received Topic creation request: NotificationPattern -> {}, NodeIdPattern -> {}",
149 input.getNotificationPattern(),
150 input.getNodeIdPattern());
152 final NotificationPattern notificationPattern = new NotificationPattern(input.getNotificationPattern());
153 //FIXME: do not use Util.wildcardToRegex - NodeIdPatter should be regex
154 final String nodeIdPattern = input.getNodeIdPattern().getValue();
155 final EventSourceTopic eventSourceTopic = EventSourceTopic.create(notificationPattern, nodeIdPattern, this);
157 eventSourceTopicMap.put(eventSourceTopic.getTopicId(), eventSourceTopic);
159 final CreateTopicOutput cto = new CreateTopicOutputBuilder()
160 .setTopicId(eventSourceTopic.getTopicId())
163 LOG.info("Topic has been created: NotificationPattern -> {}, NodeIdPattern -> {}",
164 input.getNotificationPattern(),
165 input.getNodeIdPattern());
167 return Util.resultRpcSuccessFor(cto);
171 public Future<RpcResult<Void>> destroyTopic(final DestroyTopicInput input) {
172 final EventSourceTopic topicToDestroy = eventSourceTopicMap.remove(input.getTopicId());
173 if(topicToDestroy != null){
174 topicToDestroy.close();
176 return Util.resultRpcSuccessFor((Void) null);
180 public void close() {
181 aggregatorRpcReg.close();
182 for(final EventSourceTopic est : eventSourceTopicMap.values()){
187 public void register(final EventSource eventSource){
189 final NodeKey nodeKey = eventSource.getSourceNodeKey();
190 final KeyedInstanceIdentifier<Node, NodeKey> sourcePath = EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class, nodeKey);
191 final RoutedRpcRegistration<EventSourceService> reg = rpcRegistry.addRoutedRpcImplementation(EventSourceService.class, eventSource);
192 reg.registerPath(NodeContext.class, sourcePath);
193 routedRpcRegistrations.put(nodeKey,reg);
198 public void unRegister(final EventSource eventSource){
199 final NodeKey nodeKey = eventSource.getSourceNodeKey();
200 final KeyedInstanceIdentifier<Node, NodeKey> sourcePath = EVENT_SOURCE_TOPOLOGY_PATH.child(Node.class, nodeKey);
201 final RoutedRpcRegistration<EventSourceService> removeRegistration = routedRpcRegistrations.remove(nodeKey);
202 if(removeRegistration != null){
203 removeRegistration.close();
209 public <T extends EventSource> EventSourceRegistration<T> registerEventSource(final T eventSource) {
210 final EventSourceRegistrationImpl<T> esr = new EventSourceRegistrationImpl<>(eventSource, this);
211 register(eventSource);
215 DataBroker getDataBroker() {
219 EventSourceService getEventSourceService() {
220 return eventSourceService;