2 * Copyright (c) 2014 Contextream, 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.lispflowmapping.southbound.lisp;
11 import com.google.common.base.Preconditions;
13 import io.netty.buffer.ByteBufUtil;
14 import io.netty.channel.ChannelHandler;
15 import io.netty.channel.ChannelHandlerContext;
16 import io.netty.channel.SimpleChannelInboundHandler;
17 import io.netty.channel.socket.DatagramPacket;
19 import java.net.InetAddress;
20 import java.nio.ByteBuffer;
21 import java.util.ArrayList;
22 import java.util.Arrays;
23 import java.util.List;
25 import java.util.Objects;
27 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
28 import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
29 import org.opendaylight.lispflowmapping.dsbackend.DataStoreBackEnd;
30 import org.opendaylight.lispflowmapping.inmemorydb.HashMapDb;
31 import org.opendaylight.lispflowmapping.lisp.authentication.ILispAuthentication;
32 import org.opendaylight.lispflowmapping.lisp.authentication.LispAuthenticationUtil;
33 import org.opendaylight.lispflowmapping.lisp.serializer.MapNotifySerializer;
34 import org.opendaylight.lispflowmapping.lisp.serializer.MapRegisterSerializer;
35 import org.opendaylight.lispflowmapping.lisp.serializer.MapReplySerializer;
36 import org.opendaylight.lispflowmapping.lisp.serializer.MapRequestSerializer;
37 import org.opendaylight.lispflowmapping.lisp.type.LispMessage;
38 import org.opendaylight.lispflowmapping.lisp.util.ByteUtil;
39 import org.opendaylight.lispflowmapping.lisp.util.LispAddressStringifier;
40 import org.opendaylight.lispflowmapping.lisp.util.MapRequestUtil;
41 import org.opendaylight.lispflowmapping.mapcache.SimpleMapCache;
42 import org.opendaylight.lispflowmapping.southbound.LispSouthboundPlugin;
43 import org.opendaylight.lispflowmapping.southbound.LispSouthboundStats;
44 import org.opendaylight.lispflowmapping.southbound.lisp.cache.MapRegisterCache;
45 import org.opendaylight.lispflowmapping.southbound.lisp.cache.MapRegisterPartialDeserializer;
46 import org.opendaylight.lispflowmapping.southbound.lisp.exception.LispMalformedPacketException;
47 import org.opendaylight.lispflowmapping.southbound.lisp.network.PacketHeader;
48 import org.opendaylight.lispflowmapping.southbound.util.LispNotificationHelper;
49 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.AddMappingBuilder;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.GotMapNotifyBuilder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.GotMapReplyBuilder;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MapNotify;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MapRegister;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MapReply;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MapRequest;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MappingKeepAlive;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MappingKeepAliveBuilder;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MessageType;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.RequestMappingBuilder;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.Eid;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.map.register.cache.key.container.MapRegisterCacheKey;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.map.register.cache.metadata.container.MapRegisterCacheMetadata;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.map.register.cache.metadata.container.MapRegisterCacheMetadataBuilder;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.map.register.cache.metadata.container.map.register.cache.metadata.EidLispAddress;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.map.register.cache.metadata.container.map.register.cache.metadata.EidLispAddressBuilder;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.map.register.cache.value.grouping.MapRegisterCacheValue;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.map.register.cache.value.grouping.MapRegisterCacheValueBuilder;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.mapping.record.container.MappingRecord;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.mapping.record.list.MappingRecordItem;
71 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.transport.address.TransportAddressBuilder;
72 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.AuthenticationKey;
73 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.mapping.authkey.container.MappingAuthkey;
74 import org.opendaylight.yangtools.yang.binding.Notification;
75 import org.slf4j.Logger;
76 import org.slf4j.LoggerFactory;
78 @ChannelHandler.Sharable
79 public class LispSouthboundHandler extends SimpleChannelInboundHandler<DatagramPacket>
80 implements ILispSouthboundService, AutoCloseable {
81 private MapRegisterCache mapRegisterCache;
82 private boolean mapRegisterCacheEnabled = true;
83 private long mapRegisterCacheTimeout;
85 private DataBroker dataBroker;
86 private NotificationPublishService notificationPublishService;
88 protected static final Logger LOG = LoggerFactory.getLogger(LispSouthboundHandler.class);
90 //TODO: think whether this field can be accessed through mappingservice or some other configuration parameter
91 private boolean authenticationEnabled = true;
92 private final LispSouthboundPlugin lispSbPlugin;
93 private LispSouthboundStats lispSbStats = null;
94 private SimpleMapCache smc;
95 private AuthenticationKeyDataListener authenticationKeyDataListener;
96 private DataStoreBackEnd dsbe;
98 public LispSouthboundHandler(LispSouthboundPlugin lispSbPlugin) {
99 this.lispSbPlugin = lispSbPlugin;
100 if (lispSbPlugin != null) {
101 this.lispSbStats = lispSbPlugin.getStats();
103 this.mapRegisterCache = new MapRegisterCache();
104 this.smc = new SimpleMapCache(new HashMapDb());
107 public void handlePacket(DatagramPacket msg) {
108 ByteBuffer inBuffer = msg.content().nioBuffer();
109 int type = ByteUtil.getUnsignedByte(inBuffer, LispMessage.Pos.TYPE) >> 4;
111 Object lispType = MessageType.forValue(type);
112 if (lispType == MessageType.EncapsulatedControlMessage) {
113 LOG.trace("Received packet of type Encapsulated Control Message");
114 handleEncapsulatedControlMessage(inBuffer, msg.sender().getAddress());
115 } else if (lispType == MessageType.MapRequest) {
116 LOG.trace("Received packet of type Map-Request");
117 handleMapRequest(inBuffer, msg.sender().getAddress(), msg.sender().getPort());
118 } else if (lispType == MessageType.MapRegister) {
119 LOG.trace("Received packet of type Map-Register");
120 handleMapRegister(inBuffer, msg.sender().getAddress(), msg.sender().getPort());
121 } else if (lispType == MessageType.MapNotify) {
122 LOG.trace("Received packet of type Map-Notify");
123 handleMapNotify(inBuffer, msg.sender().getAddress(), msg.sender().getPort());
124 } else if (lispType == MessageType.MapReply) {
125 LOG.trace("Received packet of type Map-Reply");
126 handleMapReply(inBuffer, msg.sender().getAddress(), msg.sender().getPort());
128 LOG.warn("Received unknown LISP control packet (type " + ((lispType != null) ? lispType : type) + ")");
132 private void handleEncapsulatedControlMessage(ByteBuffer inBuffer, InetAddress sourceAddress) {
134 handleMapRequest(inBuffer, sourceAddress, extractEncapsulatedSourcePort(inBuffer));
135 } catch (RuntimeException re) {
136 throw new LispMalformedPacketException("Couldn't deserialize Map-Request (len="
137 + inBuffer.capacity() + ")", re);
141 private void handleMapRequest(ByteBuffer inBuffer, InetAddress sourceAddress, int port) {
143 MapRequest request = MapRequestSerializer.getInstance().deserialize(inBuffer, sourceAddress);
144 InetAddress finalSourceAddress = MapRequestUtil.selectItrRloc(request);
145 if (finalSourceAddress == null) {
146 throw new LispMalformedPacketException("Couldn't deserialize Map-Request, no ITR Rloc found!");
149 RequestMappingBuilder requestMappingBuilder = new RequestMappingBuilder();
150 requestMappingBuilder.setMapRequest(LispNotificationHelper.convertMapRequest(request));
151 TransportAddressBuilder transportAddressBuilder = new TransportAddressBuilder();
152 transportAddressBuilder.setIpAddress(
153 LispNotificationHelper.getIpAddressBinaryFromInetAddress(finalSourceAddress));
154 transportAddressBuilder.setPort(new PortNumber(port));
155 requestMappingBuilder.setTransportAddress(transportAddressBuilder.build());
156 if (notificationPublishService != null) {
157 notificationPublishService.putNotification(requestMappingBuilder.build());
158 LOG.trace("MapRequest was published!");
160 LOG.warn("Notification Provider is null!");
162 } catch (RuntimeException re) {
163 throw new LispMalformedPacketException("Couldn't deserialize Map-Request (len="
164 + inBuffer.capacity() + ")", re);
165 } catch (InterruptedException e) {
166 LOG.warn("Notification publication interrupted!");
170 private int extractEncapsulatedSourcePort(ByteBuffer inBuffer) {
172 inBuffer.position(PacketHeader.Length.LISP_ENCAPSULATION);
173 int ipType = (inBuffer.get() >> 4);
175 inBuffer.position(inBuffer.position() + PacketHeader.Length.IPV4 - 1);
176 } else if (ipType == 6) {
177 inBuffer.position(inBuffer.position() + PacketHeader.Length.IPV6_NO_EXT - 1);
179 throw new LispMalformedPacketException(
180 "Couldn't deserialize Map-Request: inner packet has unknown IP version: " + ipType);
183 int encapsulatedSourcePort = inBuffer.getShort() & 0xFFFF;
184 inBuffer.position(inBuffer.position() + PacketHeader.Length.UDP - 2);
185 return encapsulatedSourcePort;
186 } catch (RuntimeException re) {
187 throw new LispMalformedPacketException("Couldn't deserialize Map-Request (len="
188 + inBuffer.capacity() + ")", re);
192 private void handleMapRegister(ByteBuffer inBuffer, InetAddress sourceAddress, int port) {
194 Map.Entry<MapRegisterCacheKey, byte[]> artificialEntry = null;
195 MapRegisterCacheKey cacheKey = null;
196 MapRegisterCacheValue cacheValue = null;
197 if (mapRegisterCacheEnabled) {
198 artificialEntry = MapRegisterPartialDeserializer.deserializePartially(inBuffer, sourceAddress);
199 cacheKey = artificialEntry == null ? null : artificialEntry.getKey();
200 cacheValue = resolveCacheValue(artificialEntry);
202 if (cacheValue != null) {
203 MapRegisterCacheMetadata mapRegisterMeta = cacheValue.getMapRegisterCacheMetadata();
204 LOG.debug("Map register message site-ID: {} xTR-ID: {} from cache.", mapRegisterMeta.getSiteId(),
205 mapRegisterMeta.getXtrId());
206 cacheValue = refreshEntry(cacheKey);
207 if (cacheValue != null) {
208 sendNotificationIfPossible(createMappingKeepAlive(cacheValue));
209 if (cacheValue.getMapRegisterCacheMetadata().isWantMapNotify()) {
210 sendMapNotifyMsg(inBuffer, sourceAddress, port, cacheValue);
213 lispSbStats.incrementCacheHits();
215 MapRegister mapRegister = MapRegisterSerializer.getInstance().deserialize(inBuffer, sourceAddress);
216 final MappingAuthkey mappingAuthkey = tryToAuthenticateMessage(mapRegister, inBuffer);
217 if (mappingAuthkey != null) {
218 AddMappingBuilder addMappingBuilder = new AddMappingBuilder();
219 addMappingBuilder.setMapRegister(LispNotificationHelper.convertMapRegister(mapRegister));
220 TransportAddressBuilder transportAddressBuilder = new TransportAddressBuilder();
221 transportAddressBuilder.setIpAddress(LispNotificationHelper.getIpAddressBinaryFromInetAddress(
223 transportAddressBuilder.setPort(new PortNumber(port));
224 addMappingBuilder.setTransportAddress(transportAddressBuilder.build());
225 sendNotificationIfPossible(addMappingBuilder.build());
226 if (artificialEntry != null) {
227 final MapRegisterCacheMetadataBuilder cacheMetadataBldNew = new
228 MapRegisterCacheMetadataBuilder();
229 cacheMetadataBldNew.setEidLispAddress(provideEidPrefixesFromMessage(mapRegister));
230 cacheMetadataBldNew.setXtrId(mapRegister.getXtrId());
231 cacheMetadataBldNew.setSiteId(mapRegister.getSiteId());
232 cacheMetadataBldNew.setWantMapNotify(mapRegister.isWantMapNotify());
233 cacheMetadataBldNew.setMergeEnabled(mapRegister.isMergeEnabled());
234 cacheMetadataBldNew.setTimestamp(System.currentTimeMillis());
236 final MapRegisterCacheValueBuilder cacheValueBldNew = new MapRegisterCacheValueBuilder();
237 cacheValueBldNew.setPacketData(artificialEntry.getValue());
238 cacheValueBldNew.setMappingAuthkey(mappingAuthkey);
239 cacheValueBldNew.setMapRegisterCacheMetadata(cacheMetadataBldNew.build());
241 mapRegisterCache.addEntry(cacheKey, cacheValueBldNew.build());
244 lispSbStats.incrementCacheMisses();
246 } catch (RuntimeException re) {
247 throw new LispMalformedPacketException("Couldn't deserialize Map-Register (len="
248 + inBuffer.capacity() + ")", re);
249 } catch (InterruptedException e) {
250 LOG.warn("Notification publication interrupted!");
254 private MapRegisterCacheValue refreshEntry(final MapRegisterCacheKey cacheKey) {
255 MapRegisterCacheValue mapRegisterCacheValue = mapRegisterCache.refreshEntry(cacheKey);
256 if (mapRegisterCacheValue != null) {
257 mapRegisterCacheValue = refreshAuthKeyIfNecessary(mapRegisterCacheValue);
258 mapRegisterCache.addEntry(cacheKey, mapRegisterCacheValue);
259 return mapRegisterCacheValue;
264 private MapRegisterCacheValue refreshAuthKeyIfNecessary(MapRegisterCacheValue mapRegisterCacheValue) {
265 if (authenticationKeyDataListener.isAuthKeyRefreshing()) {
266 final boolean shouldAuthKeyRefreshingStop = System.currentTimeMillis() - authenticationKeyDataListener
267 .getAuthKeyRefreshingDate() > mapRegisterCacheTimeout;
268 if (shouldAuthKeyRefreshingStop) {
269 authenticationKeyDataListener.setAuthKeyRefreshing(false);
271 final MappingAuthkey mappingAuthkey = provideAuthenticateKey(mapRegisterCacheValue
272 .getMapRegisterCacheMetadata().getEidLispAddress());
274 final MapRegisterCacheValueBuilder newMapRegisterCacheValueBuilder = new MapRegisterCacheValueBuilder
275 (mapRegisterCacheValue);
276 final MapRegisterCacheMetadataBuilder newMapRegisterCacheMetadataBuilder =
277 new MapRegisterCacheMetadataBuilder(mapRegisterCacheValue.getMapRegisterCacheMetadata());
279 newMapRegisterCacheValueBuilder.setMappingAuthkey(mappingAuthkey);
280 newMapRegisterCacheValueBuilder.setMapRegisterCacheMetadata(newMapRegisterCacheMetadataBuilder.build());
281 return newMapRegisterCacheValueBuilder.build();
285 return mapRegisterCacheValue;
289 private MapRegisterCacheValue resolveCacheValue(Map.Entry<MapRegisterCacheKey, byte[]> entry) {
291 final MapRegisterCacheValue mapRegisterCacheValue = mapRegisterCache.getEntry(entry.getKey());
292 if (mapRegisterCacheValue != null) {
293 final long creationTime = mapRegisterCacheValue.getMapRegisterCacheMetadata().getTimestamp();
294 final long currentTime = System.currentTimeMillis();
295 if (currentTime - creationTime > mapRegisterCacheTimeout) {
296 mapRegisterCache.removeEntry(entry.getKey());
298 } else if (Arrays.equals(mapRegisterCacheValue.getPacketData(), entry.getValue())) {
299 return mapRegisterCacheValue;
306 private void sendNotificationIfPossible(final Notification notification) throws InterruptedException {
307 if (notificationPublishService != null) {
308 notificationPublishService.putNotification(notification);
309 LOG.trace("{} was published.", notification.getClass());
311 LOG.warn("Notification Provider is null!");
315 private MappingKeepAlive createMappingKeepAlive(final MapRegisterCacheValue value) {
316 MappingKeepAliveBuilder mappingKeepAliveBuilder = new MappingKeepAliveBuilder();
317 mappingKeepAliveBuilder.setMapRegisterCacheMetadata(value.getMapRegisterCacheMetadata());
318 return mappingKeepAliveBuilder.build();
322 * Returns null if not all of eids have the same value of authentication key
324 private MappingAuthkey provideAuthenticateKey(final List<EidLispAddress> eidLispAddresses) {
325 MappingAuthkey firstAuthKey = null;
326 for (int i = 0; i < eidLispAddresses.size(); i++) {
327 final Eid eid = eidLispAddresses.get(i).getEid();
329 firstAuthKey = smc.getAuthenticationKey(eid);
331 final MappingAuthkey authKey = smc.getAuthenticationKey(eid);
332 if (!Objects.equals(firstAuthKey, authKey)) {
341 private void sendMapNotifyMsg(final ByteBuffer inBuffer, final InetAddress inetAddress, int portNumber,
342 MapRegisterCacheValue mapRegisterValue) {
343 if (mapRegisterValue.getMappingAuthkey().getKeyType() != null) {
344 ByteBuffer outBuffer = transformMapRegisterToMapNotify(inBuffer);
345 if (mapRegisterValue.getMappingAuthkey().getKeyType() != 0) {
346 outBuffer = calculateAndSetNewMAC(outBuffer, mapRegisterValue.getMappingAuthkey().getKeyString());
348 outBuffer.position(0);
349 lispSbPlugin.handleSerializedLispBuffer(inetAddress, outBuffer, MessageType.MapNotify, portNumber);
351 LOG.error("Map-Register Cache: authentication succeeded, but can't find auth key for sending Map-Notify");
356 * Calculates new message authentication code (MAC) for notify message.
361 private ByteBuffer calculateAndSetNewMAC(final ByteBuffer buffer, final String authKey) {
362 final byte[] authenticationData = LispAuthenticationUtil.createAuthenticationData(buffer, authKey);
363 buffer.position(ILispAuthentication.MAP_REGISTER_AND_NOTIFY_AUTHENTICATION_POSITION);
364 buffer.put(authenticationData);
368 private ByteBuffer transformMapRegisterToMapNotify(final ByteBuffer buffer) {
370 byte typeAndFlags = buffer.get(0);
371 // Shift the xTR-ID present and built for an RTR bits to their correct position
372 byte flags = (byte) ((typeAndFlags << 2) & 0x0F);
373 // Set control message type to 4 (Map-Notify)
375 // Combine the nibbles
376 typeAndFlags = (byte) (type | flags);
377 byte[] byteReplacement = new byte[] {typeAndFlags, 0x00, 0x00};
378 buffer.put(byteReplacement);
383 private List<EidLispAddress> provideEidPrefixesFromMessage(final MapRegister mapRegister) {
384 List<EidLispAddress> eidsResult = new ArrayList<>();
385 for (MappingRecordItem mappingRecordItem : mapRegister.getMappingRecordItem()) {
386 final EidLispAddressBuilder eidLispAddressBuilder = new EidLispAddressBuilder();
387 final Eid eid = mappingRecordItem.getMappingRecord().getEid();
388 eidLispAddressBuilder.setEidLispAddressId(LispAddressStringifier.getString(eid));
389 eidLispAddressBuilder.setEid(eid);
390 eidsResult.add(eidLispAddressBuilder.build());
396 * Checks whether authentication data is valid.
398 * Methods pass through all records from map register message. For the EID of the first record it gets
399 * authentication key and does validation of authentication data again this authentication key. If it pass
400 * it just checks for remaining records (and its EID) whether they have the same authenticatin key stored in
401 * simple map cache (smc).
405 * @return Returns authentication key if all of EIDs have the same authentication key or null otherwise
407 private MappingAuthkey tryToAuthenticateMessage(final MapRegister mapRegister, final ByteBuffer byteBuffer) {
408 if (!authenticationEnabled) {
413 LOG.debug("Simple map cache wasn't instantieted and set.");
417 MappingAuthkey firstAuthKey = null;
418 final List<MappingRecordItem> mappingRecords = mapRegister.getMappingRecordItem();
419 for (int i = 0; i < mappingRecords.size(); i++) {
420 final MappingRecordItem recordItem = mappingRecords.get(i);
421 final MappingRecord mappingRecord = recordItem.getMappingRecord();
423 firstAuthKey = smc.getAuthenticationKey(mappingRecord.getEid());
424 if (!LispAuthenticationUtil.validate(mapRegister, byteBuffer, mappingRecord.getEid(), firstAuthKey)) {
428 final Eid eid = mappingRecord.getEid();
429 final MappingAuthkey authKey = smc.getAuthenticationKey(eid);
430 if (!firstAuthKey.equals(authKey)) {
431 LOG.debug("Map register packet contained several eids. Authentication keys for first one and for " +
432 "{} are different.",LispAddressStringifier.getString(eid));
440 private void handleMapNotify(ByteBuffer inBuffer, InetAddress sourceAddress, int port) {
442 MapNotify mapNotify = MapNotifySerializer.getInstance().deserialize(inBuffer);
443 GotMapNotifyBuilder gotMapNotifyBuilder = new GotMapNotifyBuilder();
444 gotMapNotifyBuilder.setMapNotify(LispNotificationHelper.convertMapNotify(mapNotify));
445 TransportAddressBuilder transportAddressBuilder = new TransportAddressBuilder();
446 transportAddressBuilder.setIpAddress(LispNotificationHelper
447 .getIpAddressBinaryFromInetAddress(sourceAddress));
448 transportAddressBuilder.setPort(new PortNumber(port));
449 gotMapNotifyBuilder.setTransportAddress(transportAddressBuilder.build());
450 if (notificationPublishService != null) {
451 notificationPublishService.putNotification(gotMapNotifyBuilder.build());
452 LOG.trace("MapNotify was published!");
454 LOG.warn("Notification Provider is null!");
456 } catch (RuntimeException re) {
457 throw new LispMalformedPacketException("Couldn't deserialize Map-Notify (len="
458 + inBuffer.capacity() + ")", re);
459 } catch (InterruptedException e) {
460 LOG.warn("Notification publication interrupted!");
465 private void handleMapReply(ByteBuffer inBuffer, InetAddress sourceAddress, int port) {
467 MapReply mapReply = MapReplySerializer.getInstance().deserialize(inBuffer);
468 GotMapReplyBuilder gotMapReplyBuilder = new GotMapReplyBuilder();
469 gotMapReplyBuilder.setMapReply(LispNotificationHelper.convertMapReply(mapReply));
470 TransportAddressBuilder transportAddressBuilder = new TransportAddressBuilder();
471 transportAddressBuilder.setIpAddress(LispNotificationHelper
472 .getIpAddressBinaryFromInetAddress(sourceAddress));
473 transportAddressBuilder.setPort(new PortNumber(port));
474 gotMapReplyBuilder.setTransportAddress(transportAddressBuilder.build());
475 if (notificationPublishService != null) {
476 notificationPublishService.putNotification(gotMapReplyBuilder.build());
477 LOG.trace("MapReply was published!");
479 LOG.warn("Notification Provider is null!");
481 } catch (RuntimeException re) {
482 throw new LispMalformedPacketException("Couldn't deserialize Map-Reply (len="
483 + inBuffer.capacity() + ")", re);
484 } catch (InterruptedException e) {
485 LOG.warn("Notification publication interrupted!");
489 private void handleStats(int type) {
490 if (lispSbStats != null) {
491 if (type <= LispSouthboundStats.MAX_LISP_TYPES) {
492 lispSbStats.incrementRx(type);
494 lispSbStats.incrementRxUnknown();
500 protected void channelRead0(ChannelHandlerContext ctx, DatagramPacket msg) throws Exception {
501 if (LOG.isTraceEnabled()) {
502 LOG.trace("Received UDP packet from {}:{} with content:\n{}", msg.sender().getHostString(),
503 msg.sender().getPort(), ByteBufUtil.prettyHexDump(msg.content()));
509 public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
514 public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
515 LOG.error("Error on channel: " + cause, cause);
519 public void close() throws Exception {
520 authenticationKeyDataListener.closeDataChangeListener();
523 public void setSimpleMapCache(final SimpleMapCache smc) {
527 public void setDataBroker(final DataBroker dataBroker) {
528 this.dataBroker = dataBroker;
531 public void setNotificationProvider(NotificationPublishService nps) {
532 this.notificationPublishService = nps;
535 public void setMapRegisterCache(final MapRegisterCache mapRegisterCache) {
536 this.mapRegisterCache = mapRegisterCache;
539 public void setMapRegisterCacheEnabled(final boolean mapRegisterCacheEnabled) {
540 this.mapRegisterCacheEnabled = mapRegisterCacheEnabled;
544 * Restore all keys from MDSAL datastore
546 public void restoreDaoFromDatastore() {
547 final List<AuthenticationKey> authKeys = dsbe.getAllAuthenticationKeys();
548 LOG.info("Restoring {} keys from datastore into southbound DAO", authKeys.size());
550 for (AuthenticationKey authKey : authKeys) {
551 final Eid key = authKey.getEid();
552 final MappingAuthkey mappingAuthkey = authKey.getMappingAuthkey();
553 LOG.debug("Adding authentication key '{}' with key-ID {} for {}", mappingAuthkey.getKeyString(),
554 mappingAuthkey.getKeyType(),
555 LispAddressStringifier.getString(key));
556 smc.addAuthenticationKey(key, mappingAuthkey);
561 Preconditions.checkNotNull(dataBroker);
562 Preconditions.checkNotNull(smc);
563 this.authenticationKeyDataListener = new AuthenticationKeyDataListener(dataBroker, smc);
564 dsbe = new DataStoreBackEnd(dataBroker);
567 public void setMapRegisterCacheTimeout(long mapRegisterCacheTimeout) {
568 this.mapRegisterCacheTimeout = mapRegisterCacheTimeout;