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;
10 import java.util.ArrayList;
11 import java.util.Collection;
12 import java.util.List;
14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
15 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification;
16 import org.opendaylight.controller.md.sal.binding.api.DataObjectModification.ModificationType;
17 import org.opendaylight.controller.md.sal.binding.api.DataTreeModification;
18 import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
19 import org.opendaylight.lispflowmapping.implementation.util.LoggingUtil;
20 import org.opendaylight.lispflowmapping.implementation.util.MSNotificationInputUtil;
21 import org.opendaylight.lispflowmapping.interfaces.dao.SubKeys;
22 import org.opendaylight.lispflowmapping.interfaces.dao.Subscriber;
23 import org.opendaylight.lispflowmapping.interfaces.mapcache.IMappingSystem;
24 import org.opendaylight.lispflowmapping.lisp.type.MappingData;
25 import org.opendaylight.lispflowmapping.lisp.util.LispAddressUtil;
26 import org.opendaylight.lispflowmapping.lisp.util.SourceDestKeyHelper;
27 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.SourceDestKey;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.Eid;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.locatorrecords.LocatorRecord;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.locatorrecords.LocatorRecordBuilder;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.mapping.record.container.MappingRecord;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.mapping.record.container.MappingRecordBuilder;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.MappingChange;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.MappingDatabase;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.MappingOrigin;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.Mapping;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.MappingBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.mapping.database.VirtualNetworkIdentifier;
39 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
40 import org.slf4j.Logger;
41 import org.slf4j.LoggerFactory;
44 * DataListener for all Mapping modification events.
46 * @author Lorand Jakab
47 * @author Florin Coras
50 public class MappingDataListener extends AbstractDataListener<Mapping> {
51 private static final Logger LOG = LoggerFactory.getLogger(MappingDataListener.class);
52 private IMappingSystem mapSystem;
53 private NotificationPublishService notificationPublishService;
54 private boolean isMaster = false;
56 public MappingDataListener(DataBroker broker, IMappingSystem msmr, NotificationPublishService nps) {
58 setMappingSystem(msmr);
59 setNotificationProviderService(nps);
60 setPath(InstanceIdentifier.create(MappingDatabase.class).child(VirtualNetworkIdentifier.class)
61 .child(Mapping.class));
62 LOG.trace("Registering Mapping listener.");
63 registerDataChangeListener();
66 public void setNotificationProviderService(NotificationPublishService nps) {
67 this.notificationPublishService = nps;
70 void setMappingSystem(IMappingSystem msmr) {
71 this.mapSystem = msmr;
75 public void onDataTreeChanged(Collection<DataTreeModification<Mapping>> changes) {
76 for (DataTreeModification<Mapping> change : changes) {
77 final DataObjectModification<Mapping> mod = change.getRootNode();
79 if (ModificationType.DELETE == mod.getModificationType()) {
80 // Process deleted mappings
82 final Mapping mapping = mod.getDataBefore();
84 // Only treat mapping changes caused by Northbound, since Southbound changes are already handled
85 // before being persisted, except for cluster slaves
86 if (mapping.getOrigin() == MappingOrigin.Southbound && mapSystem.isMaster()) {
90 LOG.trace("Received deleted data");
91 LOG.trace("Key: {}", change.getRootPath().getRootIdentifier());
92 LOG.trace("Value: {}", mapping);
94 final Mapping convertedMapping = convertToBinaryIfNecessary(mapping);
96 mapSystem.removeMapping(convertedMapping.getOrigin(), convertedMapping.getMappingRecord().getEid());
98 } else if (ModificationType.SUBTREE_MODIFIED == mod.getModificationType() || ModificationType.WRITE == mod
99 .getModificationType()) {
100 final Mapping mapping = mod.getDataAfter();
102 // Only treat mapping changes caused by Northbound, since Southbound changes are already handled
103 // before being persisted, except for cluster slaves XXX separate NB and SB to avoid ignoring
105 if (mapping.getOrigin() == MappingOrigin.Southbound && mapSystem.isMaster()) {
109 MappingChange mappingChange;
111 if (ModificationType.SUBTREE_MODIFIED == mod.getModificationType()) {
112 LOG.trace("Received update data");
113 mappingChange = MappingChange.Updated;
115 LOG.trace("Received write data");
116 mappingChange = MappingChange.Created;
118 LOG.trace("Key: {}", change.getRootPath().getRootIdentifier());
119 LOG.trace("Value: {}", mapping);
121 final Mapping convertedMapping = convertToBinaryIfNecessary(mapping);
122 Eid convertedEid = convertedMapping.getMappingRecord().getEid();
124 mapSystem.addMapping(convertedMapping.getOrigin(), convertedEid,
125 new MappingData(convertedMapping.getMappingRecord()));
126 Set<Subscriber> subscribers = (Set<Subscriber>) mapSystem.getData(MappingOrigin.Southbound,
127 convertedEid, SubKeys.SUBSCRIBERS);
128 LoggingUtil.logSubscribers(LOG, convertedEid, subscribers);
130 Set<Subscriber> dstSubscribers = null;
131 // For SrcDst LCAF also send SMRs to Dst prefix
132 if (convertedEid.getAddress() instanceof SourceDestKey) {
133 Eid dstAddr = SourceDestKeyHelper.getDstBinary(convertedEid);
134 dstSubscribers = (Set<Subscriber>) mapSystem.getData(MappingOrigin.Southbound,
135 dstAddr, SubKeys.SUBSCRIBERS);
136 LoggingUtil.logSubscribers(LOG, dstAddr, dstSubscribers);
140 // The notifications are used for sending SMR.
141 notificationPublishService.putNotification(MSNotificationInputUtil.toMappingChanged(
142 convertedMapping, subscribers, dstSubscribers, mappingChange));
143 } catch (InterruptedException e) {
144 LOG.warn("Notification publication interrupted!");
148 LOG.warn("Ignoring unhandled modification type {}", mod.getModificationType());
153 private static Mapping convertToBinaryIfNecessary(Mapping mapping) {
154 MappingRecord originalRecord = mapping.getMappingRecord();
155 List<LocatorRecord> originalLocators = originalRecord.getLocatorRecord();
157 List<LocatorRecord> convertedLocators = null;
158 if (originalLocators != null) {
159 // If convertedLocators is non-null, while originalLocators is also non-null, conversion has been made
160 convertedLocators = convertToBinaryIfNecessary(originalLocators);
163 if (LispAddressUtil.addressNeedsConversionToBinary(originalRecord.getEid().getAddress())
164 || (originalLocators != null && convertedLocators != null)) {
165 MappingRecordBuilder mrb = new MappingRecordBuilder(originalRecord);
166 mrb.setEid(LispAddressUtil.convertToBinary(originalRecord.getEid()));
167 if (convertedLocators != null) {
168 mrb.setLocatorRecord(convertedLocators);
170 return new MappingBuilder(mapping).setMappingRecord(mrb.build()).build();
175 private static List<LocatorRecord> convertToBinaryIfNecessary(List<LocatorRecord> originalLocators) {
176 List<LocatorRecord> convertedLocators = null;
177 for (LocatorRecord record : originalLocators) {
178 if (LispAddressUtil.addressNeedsConversionToBinary(record.getRloc().getAddress())) {
179 LocatorRecordBuilder lrb = new LocatorRecordBuilder(record);
180 lrb.setRloc(LispAddressUtil.convertToBinary(record.getRloc()));
181 if (convertedLocators == null) {
182 convertedLocators = new ArrayList<LocatorRecord>();
184 convertedLocators.add(lrb.build());
187 if (convertedLocators != null) {
188 return convertedLocators;
190 return originalLocators;