2 * Copyright (c) 2015 Cisco Systems, Inc. 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.lispflowmapping.implementation.mdsal;
13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
14 import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
15 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
16 import org.opendaylight.lispflowmapping.implementation.util.MSNotificationInputUtil;
17 import org.opendaylight.lispflowmapping.interfaces.mapcache.IMappingSystem;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.MappingChange;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.MappingDatabase;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.MappingOrigin;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.Mapping;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.mapping.database.VirtualNetworkIdentifier;
23 import org.opendaylight.yangtools.yang.binding.DataObject;
24 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
29 * DataListener for all Mapping modification events.
31 * @author Lorand Jakab
32 * @author Florin Coras
35 public class MappingDataListener extends AbstractDataListener {
36 private static final Logger LOG = LoggerFactory.getLogger(MappingDataListener.class);
37 private IMappingSystem mapSystem;
38 private NotificationPublishService notificationPublishService;
40 public MappingDataListener(DataBroker broker, IMappingSystem msmr, NotificationPublishService nps) {
42 setMappingSystem(msmr);
43 setNotificationProviderService(nps);
44 setPath(InstanceIdentifier.create(MappingDatabase.class).child(VirtualNetworkIdentifier.class)
45 .child(Mapping.class));
46 LOG.trace("Registering Mapping listener.");
47 registerDataChangeListener();
50 public void setNotificationProviderService(NotificationPublishService nps) {
51 this.notificationPublishService = nps;
55 public void onDataChanged(
56 AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> change) {
58 // Process newly created mappings
59 Map<InstanceIdentifier<?>, DataObject> createdData = change.getCreatedData();
60 for (Map.Entry<InstanceIdentifier<?>, DataObject> entry : createdData.entrySet()) {
61 if (entry.getValue() instanceof Mapping) {
62 Mapping mapping = (Mapping)entry.getValue();
64 // Only treat mapping changes caused by Northbound, since Southbound changes are already handled
65 // before being persisted. XXX separate NB and SB to avoid ignoring SB notifications
66 if (mapping.getOrigin() == MappingOrigin.Southbound) {
70 LOG.trace("Received created data");
71 LOG.trace("Key: {}", entry.getKey());
72 LOG.trace("Value: {}", mapping);
74 mapSystem.addMapping(mapping.getOrigin(), mapping.getMappingRecord().getEid(),
75 mapping.getMappingRecord());
78 // The notifications are used for sending SMR.
79 notificationPublishService.putNotification(MSNotificationInputUtil.toMappingChanged(mapping,
80 MappingChange.Created));
81 } catch (InterruptedException e) {
82 LOG.warn("Notification publication interrupted!");
87 // Process updated mappings
88 Map<InstanceIdentifier<?>, DataObject> updatedData = change.getUpdatedData();
89 for (Map.Entry<InstanceIdentifier<?>, DataObject> entry : updatedData.entrySet()) {
90 if (entry.getValue() instanceof Mapping) {
91 Mapping mapping = (Mapping)entry.getValue();
93 // Only treat mapping changes caused by Northbound, since Southbound changes are already handled
94 // before being persisted.
95 if (mapping.getOrigin() == MappingOrigin.Southbound) {
99 LOG.trace("Received changed data");
100 LOG.trace("Key: {}", entry.getKey());
101 LOG.trace("Value: {}", entry.getValue());
103 mapSystem.addMapping(mapping.getOrigin(), mapping.getMappingRecord().getEid(),
104 mapping.getMappingRecord());
106 // The notifications are used for sending SMR.
108 notificationPublishService.putNotification(MSNotificationInputUtil.toMappingChanged(mapping,
109 MappingChange.Updated));
110 } catch (InterruptedException e) {
111 LOG.warn("Notification publication interrupted!");
116 // Process deleted mappings
117 Set<InstanceIdentifier<?>> removedData = change.getRemovedPaths();
118 for (InstanceIdentifier<?> entry : removedData) {
119 DataObject dataObject = change.getOriginalData().get(entry);
120 if (dataObject instanceof Mapping) {
121 Mapping mapping = (Mapping)dataObject;
123 // Only treat mapping changes caused by Northbound, since Southbound changes are already handled
124 // before being persisted.
125 if (mapping.getOrigin() == MappingOrigin.Southbound) {
129 LOG.trace("Received deleted data");
130 LOG.trace("Key: {}", entry);
131 LOG.trace("Value: {}", dataObject);
133 mapSystem.removeMapping(mapping.getOrigin(), mapping.getMappingRecord().getEid());
135 notificationPublishService.putNotification(MSNotificationInputUtil.toMappingChanged(mapping, MappingChange.Removed));
136 } catch (InterruptedException e) {
137 LOG.warn("Notification publication interrupted!");
143 void setMappingSystem(IMappingSystem msmr) {
144 this.mapSystem = msmr;