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;
12 import io.netty.buffer.ByteBufUtil;
13 import io.netty.channel.ChannelHandler;
14 import io.netty.channel.ChannelHandlerContext;
15 import io.netty.channel.SimpleChannelInboundHandler;
16 import io.netty.channel.socket.DatagramPacket;
17 import java.net.InetAddress;
18 import java.nio.ByteBuffer;
19 import java.util.ArrayList;
20 import java.util.Arrays;
21 import java.util.List;
23 import java.util.Objects;
24 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
25 import org.opendaylight.controller.md.sal.binding.api.NotificationPublishService;
26 import org.opendaylight.lispflowmapping.dsbackend.DataStoreBackEnd;
27 import org.opendaylight.lispflowmapping.inmemorydb.HashMapDb;
28 import org.opendaylight.lispflowmapping.southbound.authentication.LispAuthenticationUtil;
29 import org.opendaylight.lispflowmapping.interfaces.lisp.ILispAuthentication;
30 import org.opendaylight.lispflowmapping.lisp.serializer.MapNotifySerializer;
31 import org.opendaylight.lispflowmapping.lisp.serializer.MapRegisterSerializer;
32 import org.opendaylight.lispflowmapping.lisp.serializer.MapReplySerializer;
33 import org.opendaylight.lispflowmapping.lisp.serializer.MapRequestSerializer;
34 import org.opendaylight.lispflowmapping.lisp.type.LispMessage;
35 import org.opendaylight.lispflowmapping.lisp.util.ByteUtil;
36 import org.opendaylight.lispflowmapping.lisp.util.LispAddressStringifier;
37 import org.opendaylight.lispflowmapping.lisp.util.MapRequestUtil;
38 import org.opendaylight.lispflowmapping.mapcache.SimpleMapCache;
39 import org.opendaylight.lispflowmapping.southbound.LispSouthboundPlugin;
40 import org.opendaylight.lispflowmapping.southbound.LispSouthboundStats;
41 import org.opendaylight.lispflowmapping.southbound.lisp.cache.MapRegisterCache;
42 import org.opendaylight.lispflowmapping.southbound.lisp.cache.MapRegisterPartialDeserializer;
43 import org.opendaylight.lispflowmapping.southbound.lisp.exception.LispMalformedPacketException;
44 import org.opendaylight.lispflowmapping.southbound.lisp.network.PacketHeader;
45 import org.opendaylight.lispflowmapping.southbound.util.LispNotificationHelper;
46 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.PortNumber;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.AddMappingBuilder;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.GotMapNotifyBuilder;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.GotMapReplyBuilder;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MapNotify;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MapRegister;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MapReply;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MapRequest;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MappingKeepAlive;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MappingKeepAliveBuilder;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.MessageType;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.RequestMappingBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.Eid;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.map.register.cache.key.container.MapRegisterCacheKey;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.map.register.cache.metadata.container.MapRegisterCacheMetadata;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.map.register.cache.metadata.container.MapRegisterCacheMetadataBuilder;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.map.register.cache.metadata.container.map.register.cache.metadata.EidLispAddress;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.map.register.cache.metadata.container.map.register.cache.metadata.EidLispAddressBuilder;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.map.register.cache.value.grouping.MapRegisterCacheValue;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.map.register.cache.value.grouping.MapRegisterCacheValueBuilder;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.mapping.record.container.MappingRecord;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.mapping.record.list.MappingRecordItem;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.transport.address.TransportAddressBuilder;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.db.instance.AuthenticationKey;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.mapping.authkey.container.MappingAuthkey;
71 import org.opendaylight.yangtools.yang.binding.Notification;
72 import org.slf4j.Logger;
73 import org.slf4j.LoggerFactory;
75 @ChannelHandler.Sharable
76 public class LispSouthboundHandler extends SimpleChannelInboundHandler<DatagramPacket>
77 implements ILispSouthboundService, AutoCloseable {
78 private MapRegisterCache mapRegisterCache;
79 private boolean mapRegisterCacheEnabled = true;
82 * How long is record supposed to be relevant. After this time record isn't valid.
84 * If you modify this value, please update the LispSouthboundServiceTest class too.
86 private static final long CACHE_RECORD_TIMEOUT = 90000;
87 private DataBroker dataBroker;
89 private NotificationPublishService notificationPublishService;
90 protected static final Logger LOG = LoggerFactory.getLogger(LispSouthboundHandler.class);
92 //TODO: think whether this field can be accessed through mappingservice or some other configuration parameter
93 private boolean authenticationEnabled = true;
95 private final LispSouthboundPlugin lispSbPlugin;
96 private LispSouthboundStats lispSbStats = null;
97 private SimpleMapCache smc;
98 private AuthenticationKeyDataListener authenticationKeyDataListener;
99 private DataStoreBackEnd dsbe;
101 public LispSouthboundHandler(LispSouthboundPlugin lispSbPlugin) {
102 this.lispSbPlugin = lispSbPlugin;
103 if (lispSbPlugin != null) {
104 this.lispSbStats = lispSbPlugin.getStats();
106 this.mapRegisterCache = new MapRegisterCache();
107 this.smc = new SimpleMapCache(new HashMapDb());
110 public void handlePacket(DatagramPacket msg) {
111 ByteBuffer inBuffer = msg.content().nioBuffer();
112 int type = ByteUtil.getUnsignedByte(inBuffer, LispMessage.Pos.TYPE) >> 4;
114 Object lispType = MessageType.forValue(type);
115 if (lispType == MessageType.EncapsulatedControlMessage) {
116 LOG.trace("Received packet of type Encapsulated Control Message");
117 handleEncapsulatedControlMessage(inBuffer, msg.sender().getAddress());
118 } else if (lispType == MessageType.MapRequest) {
119 LOG.trace("Received packet of type Map-Request");
120 handleMapRequest(inBuffer, msg.sender().getPort());
121 } else if (lispType == MessageType.MapRegister) {
122 LOG.trace("Received packet of type Map-Register");
123 handleMapRegister(inBuffer, msg.sender().getAddress(), msg.sender().getPort());
124 } else if (lispType == MessageType.MapNotify) {
125 LOG.trace("Received packet of type Map-Notify");
126 handleMapNotify(inBuffer, msg.sender().getAddress(), msg.sender().getPort());
127 } else if (lispType == MessageType.MapReply) {
128 LOG.trace("Received packet of type Map-Reply");
129 handleMapReply(inBuffer, msg.sender().getAddress(), msg.sender().getPort());
131 LOG.warn("Received unknown LISP control packet (type " + ((lispType != null) ? lispType : type) + ")");
135 private void handleEncapsulatedControlMessage(ByteBuffer inBuffer, InetAddress sourceAddress) {
137 handleMapRequest(inBuffer, extractEncapsulatedSourcePort(inBuffer));
138 } catch (RuntimeException re) {
139 throw new LispMalformedPacketException("Couldn't deserialize Map-Request (len="
140 + inBuffer.capacity() + ")", re);
144 private void handleMapRequest(ByteBuffer inBuffer, int port) {
146 MapRequest request = MapRequestSerializer.getInstance().deserialize(inBuffer);
147 InetAddress finalSourceAddress = MapRequestUtil.selectItrRloc(request);
148 if (finalSourceAddress == null) {
149 throw new LispMalformedPacketException("Couldn't deserialize Map-Request, no ITR Rloc found!");
152 RequestMappingBuilder requestMappingBuilder = new RequestMappingBuilder();
153 requestMappingBuilder.setMapRequest(LispNotificationHelper.convertMapRequest(request));
154 TransportAddressBuilder transportAddressBuilder = new TransportAddressBuilder();
155 transportAddressBuilder.setIpAddress(
156 LispNotificationHelper.getIpAddressBinaryFromInetAddress(finalSourceAddress));
157 transportAddressBuilder.setPort(new PortNumber(port));
158 requestMappingBuilder.setTransportAddress(transportAddressBuilder.build());
159 if (notificationPublishService != null) {
160 notificationPublishService.putNotification(requestMappingBuilder.build());
161 LOG.trace("MapRequest was published!");
163 LOG.warn("Notification Provider is null!");
165 } catch (RuntimeException re) {
166 throw new LispMalformedPacketException("Couldn't deserialize Map-Request (len="
167 + inBuffer.capacity() + ")", re);
168 } catch (InterruptedException e) {
169 LOG.warn("Notification publication interrupted!");
173 private int extractEncapsulatedSourcePort(ByteBuffer inBuffer) {
175 inBuffer.position(PacketHeader.Length.LISP_ENCAPSULATION);
176 int ipType = (inBuffer.get() >> 4);
178 inBuffer.position(inBuffer.position() + PacketHeader.Length.IPV4 - 1);
179 } else if (ipType == 6) {
180 inBuffer.position(inBuffer.position() + PacketHeader.Length.IPV6_NO_EXT - 1);
182 throw new LispMalformedPacketException(
183 "Couldn't deserialize Map-Request: inner packet has unknown IP version: " + ipType);
186 int encapsulatedSourcePort = inBuffer.getShort() & 0xFFFF;
187 inBuffer.position(inBuffer.position() + PacketHeader.Length.UDP - 2);
188 return encapsulatedSourcePort;
189 } catch (RuntimeException re) {
190 throw new LispMalformedPacketException("Couldn't deserialize Map-Request (len="
191 + inBuffer.capacity() + ")", re);
195 private void handleMapRegister(ByteBuffer inBuffer, InetAddress sourceAddress, int port) {
197 Map.Entry<MapRegisterCacheKey, byte[]> artificialEntry = null;
198 MapRegisterCacheKey cacheKey = null;
199 MapRegisterCacheValue cacheValue = null;
200 if (mapRegisterCacheEnabled) {
201 artificialEntry = MapRegisterPartialDeserializer.deserializePartially(inBuffer, sourceAddress);
202 cacheKey = artificialEntry == null ? null : artificialEntry.getKey();
203 cacheValue = resolveCacheValue(artificialEntry);
205 if (cacheValue != null) {
206 MapRegisterCacheMetadata mapRegisterMeta = cacheValue.getMapRegisterCacheMetadata();
207 LOG.debug("Map register message site-ID: {} xTR-ID: {} from cache.", mapRegisterMeta.getSiteId(),
208 mapRegisterMeta.getXtrId());
209 mapRegisterMeta = refreshEntry(cacheKey);
210 sendNotificationIfPossible(createMappingKeepAlive(cacheValue));
212 if (mapRegisterMeta.isWantMapNotify()) {
213 sendMapNotifyMsg(inBuffer, sourceAddress, port, cacheValue);
215 lispSbStats.incrementCacheHits();
217 MapRegister mapRegister = MapRegisterSerializer.getInstance().deserialize(inBuffer, sourceAddress);
218 final MappingAuthkey mappingAuthkey = tryToAuthenticateMessage(mapRegister, inBuffer);
219 if (mappingAuthkey != null) {
220 AddMappingBuilder addMappingBuilder = new AddMappingBuilder();
221 addMappingBuilder.setMapRegister(LispNotificationHelper.convertMapRegister(mapRegister));
222 TransportAddressBuilder transportAddressBuilder = new TransportAddressBuilder();
223 transportAddressBuilder.setIpAddress(LispNotificationHelper.getIpAddressBinaryFromInetAddress(
225 transportAddressBuilder.setPort(new PortNumber(port));
226 addMappingBuilder.setTransportAddress(transportAddressBuilder.build());
227 sendNotificationIfPossible(addMappingBuilder.build());
228 if (artificialEntry != null) {
229 final MapRegisterCacheMetadataBuilder cacheMetadataBldNew = new
230 MapRegisterCacheMetadataBuilder();
231 cacheMetadataBldNew.setEidLispAddress(provideEidPrefixesFromMessage(mapRegister));
232 cacheMetadataBldNew.setXtrId(mapRegister.getXtrId());
233 cacheMetadataBldNew.setSiteId(mapRegister.getSiteId());
234 cacheMetadataBldNew.setWantMapNotify(mapRegister.isWantMapNotify());
235 cacheMetadataBldNew.setMergeEnabled(mapRegister.isMergeEnabled());
236 cacheMetadataBldNew.setTimestamp(System.currentTimeMillis());
238 final MapRegisterCacheValueBuilder cacheValueBldNew = new MapRegisterCacheValueBuilder();
239 cacheValueBldNew.setPacketData(artificialEntry.getValue());
240 cacheValueBldNew.setAuthKeyValue(mappingAuthkey.getKeyString());
241 cacheValueBldNew.setAuthKeyType(mappingAuthkey.getKeyType());
242 cacheValueBldNew.setMapRegisterCacheMetadata(cacheMetadataBldNew.build());
244 mapRegisterCache.addEntry(cacheKey, cacheValueBldNew.build());
247 lispSbStats.incrementCacheMisses();
249 } catch (RuntimeException re) {
250 throw new LispMalformedPacketException("Couldn't deserialize Map-Register (len="
251 + inBuffer.capacity() + ")", re);
252 } catch (InterruptedException e) {
253 LOG.warn("Notification publication interrupted!");
257 private MapRegisterCacheMetadata refreshEntry(final MapRegisterCacheKey cacheKey) {
258 MapRegisterCacheValue mapRegisterCacheValue = mapRegisterCache.refreshEntry(cacheKey);
259 if (mapRegisterCacheValue != null) {
260 mapRegisterCacheValue = refreshAuthKeyIfNecessary(mapRegisterCacheValue);
261 mapRegisterCache.addEntry(cacheKey, mapRegisterCacheValue);
262 return mapRegisterCacheValue.getMapRegisterCacheMetadata();
267 private MapRegisterCacheValue refreshAuthKeyIfNecessary(MapRegisterCacheValue mapRegisterCacheValue) {
268 if (authenticationKeyDataListener.isAuthKeyRefreshing()) {
269 final boolean shouldAuthKeyRefreshingStop = System.currentTimeMillis() - authenticationKeyDataListener
270 .getAuthKeyRefreshingDate() > CACHE_RECORD_TIMEOUT;
271 if (shouldAuthKeyRefreshingStop) {
272 authenticationKeyDataListener.setAuthKeyRefreshing(false);
274 final MappingAuthkey mappingAuthkey = provideAuthenticateKey(mapRegisterCacheValue
275 .getMapRegisterCacheMetadata().getEidLispAddress());
277 final MapRegisterCacheValueBuilder newMapRegisterCacheValueBuilder = new MapRegisterCacheValueBuilder
278 (mapRegisterCacheValue);
279 final MapRegisterCacheMetadataBuilder newMapRegisterCacheMetadataBuilder =
280 new MapRegisterCacheMetadataBuilder(mapRegisterCacheValue.getMapRegisterCacheMetadata());
282 newMapRegisterCacheValueBuilder.setAuthKeyValue(mappingAuthkey.getKeyString());
283 newMapRegisterCacheValueBuilder.setAuthKeyType(mappingAuthkey.getKeyType());
284 newMapRegisterCacheValueBuilder.setMapRegisterCacheMetadata(newMapRegisterCacheMetadataBuilder.build());
285 return newMapRegisterCacheValueBuilder.build();
289 return mapRegisterCacheValue;
293 private MapRegisterCacheValue resolveCacheValue(Map.Entry<MapRegisterCacheKey, byte[]> entry) {
295 final MapRegisterCacheValue mapRegisterCacheValue = mapRegisterCache.getEntry(entry.getKey());
296 if (mapRegisterCacheValue != null) {
297 final long creationTime = mapRegisterCacheValue.getMapRegisterCacheMetadata().getTimestamp();
298 final long currentTime = System.currentTimeMillis();
299 if (currentTime - creationTime > CACHE_RECORD_TIMEOUT) {
300 mapRegisterCache.removeEntry(entry.getKey());
302 } else if (Arrays.equals(mapRegisterCacheValue.getPacketData(), entry.getValue())) {
303 return mapRegisterCacheValue;
310 private void sendNotificationIfPossible(final Notification notification) throws InterruptedException {
311 if (notificationPublishService != null) {
312 notificationPublishService.putNotification(notification);
313 LOG.trace("{} was published.", notification.getClass());
315 LOG.warn("Notification Provider is null!");
319 private MappingKeepAlive createMappingKeepAlive(final MapRegisterCacheValue value) {
320 MappingKeepAliveBuilder mappingKeepAliveBuilder = new MappingKeepAliveBuilder();
321 mappingKeepAliveBuilder.setMapRegisterCacheMetadata(value.getMapRegisterCacheMetadata());
322 return mappingKeepAliveBuilder.build();
326 * Returns null if not all of eids have the same value of authentication key
328 private MappingAuthkey provideAuthenticateKey(final List<EidLispAddress> eidLispAddresses) {
329 MappingAuthkey firstAuthKey = null;
330 for (int i = 0; i < eidLispAddresses.size(); i++) {
331 final Eid eid = eidLispAddresses.get(i).getEid();
333 firstAuthKey = smc.getAuthenticationKey(eid);
335 final MappingAuthkey authKey = smc.getAuthenticationKey(eid);
336 if (!Objects.equals(firstAuthKey, authKey)) {
345 private void sendMapNotifyMsg(final ByteBuffer inBuffer, final InetAddress inetAddress, int portNumber,
346 MapRegisterCacheValue mapRegisterValue) {
347 if (mapRegisterValue.getAuthKeyType() != null) {
348 ByteBuffer outBuffer = transformMapRegisterToMapNotify(inBuffer);
349 if (mapRegisterValue.getAuthKeyType() != 0) {
350 outBuffer = calculateAndSetNewMAC(outBuffer, mapRegisterValue.getAuthKeyValue());
352 outBuffer.position(0);
353 lispSbPlugin.handleSerializedLispBuffer(inetAddress, outBuffer, MessageType.MapNotify, portNumber);
355 LOG.error("Map-Register Cache: authentication succeeded, but can't find auth key for sending Map-Notify");
360 * Calculates new message authentication code (MAC) for notify message.
365 private ByteBuffer calculateAndSetNewMAC(final ByteBuffer buffer, final String authKey) {
366 final byte[] authenticationData = LispAuthenticationUtil.createAuthenticationData(buffer, authKey);
367 buffer.position(ILispAuthentication.MAP_REGISTER_AND_NOTIFY_AUTHENTICATION_POSITION);
368 buffer.put(authenticationData);
372 private ByteBuffer transformMapRegisterToMapNotify(final ByteBuffer buffer) {
374 byte typeAndFlags = buffer.get(0);
375 // Shift the xTR-ID present and built for an RTR bits to their correct position
376 byte flags = (byte) ((typeAndFlags << 2) & 0x0F);
377 // Set control message type to 4 (Map-Notify)
379 // Combine the nibbles
380 typeAndFlags = (byte) (type | flags);
381 byte[] byteReplacement = new byte[] {typeAndFlags, 0x00, 0x00};
382 buffer.put(byteReplacement);
387 private List<EidLispAddress> provideEidPrefixesFromMessage(final MapRegister mapRegister) {
388 List<EidLispAddress> eidsResult = new ArrayList<>();
389 for (MappingRecordItem mappingRecordItem : mapRegister.getMappingRecordItem()) {
390 final EidLispAddressBuilder eidLispAddressBuilder = new EidLispAddressBuilder();
391 final Eid eid = mappingRecordItem.getMappingRecord().getEid();
392 eidLispAddressBuilder.setEidLispAddressId(LispAddressStringifier.getString(eid));
393 eidLispAddressBuilder.setEid(eid);
394 eidsResult.add(eidLispAddressBuilder.build());
400 * Checks whether authentication data is valid.
402 * Methods pass through all records from map register message. For the EID of the first record it gets
403 * authentication key and does validation of authentication data again this authentication key. If it pass
404 * it just checks for remaining records (and its EID) whether they have the same authenticatin key stored in
405 * simple map cache (smc).
409 * @return Returns authentication key if all of EIDs have the same authentication key or null otherwise
411 private MappingAuthkey tryToAuthenticateMessage(final MapRegister mapRegister, final ByteBuffer byteBuffer) {
412 if (!authenticationEnabled) {
417 LOG.debug("Simple map cache wasn't instantieted and set.");
421 MappingAuthkey firstAuthKey = null;
422 final List<MappingRecordItem> mappingRecords = mapRegister.getMappingRecordItem();
423 for (int i = 0; i < mappingRecords.size(); i++) {
424 final MappingRecordItem recordItem = mappingRecords.get(i);
425 final MappingRecord mappingRecord = recordItem.getMappingRecord();
427 firstAuthKey = smc.getAuthenticationKey(mappingRecord.getEid());
428 if (!LispAuthenticationUtil.validate(mapRegister, byteBuffer, mappingRecord.getEid(), firstAuthKey)) {
432 final Eid eid = mappingRecord.getEid();
433 final MappingAuthkey authKey = smc.getAuthenticationKey(eid);
434 if (!firstAuthKey.equals(authKey)) {
435 LOG.debug("Map register packet contained several eids. Authentication keys for first one and for " +
436 "{} are different.",LispAddressStringifier.getString(eid));
444 private void handleMapNotify(ByteBuffer inBuffer, InetAddress sourceAddress, int port) {
446 MapNotify mapNotify = MapNotifySerializer.getInstance().deserialize(inBuffer);
447 GotMapNotifyBuilder gotMapNotifyBuilder = new GotMapNotifyBuilder();
448 gotMapNotifyBuilder.setMapNotify(LispNotificationHelper.convertMapNotify(mapNotify));
449 TransportAddressBuilder transportAddressBuilder = new TransportAddressBuilder();
450 transportAddressBuilder.setIpAddress(LispNotificationHelper
451 .getIpAddressBinaryFromInetAddress(sourceAddress));
452 transportAddressBuilder.setPort(new PortNumber(port));
453 gotMapNotifyBuilder.setTransportAddress(transportAddressBuilder.build());
454 if (notificationPublishService != null) {
455 notificationPublishService.putNotification(gotMapNotifyBuilder.build());
456 LOG.trace("MapNotify was published!");
458 LOG.warn("Notification Provider is null!");
460 } catch (RuntimeException re) {
461 throw new LispMalformedPacketException("Couldn't deserialize Map-Notify (len="
462 + inBuffer.capacity() + ")", re);
463 } catch (InterruptedException e) {
464 LOG.warn("Notification publication interrupted!");
469 private void handleMapReply(ByteBuffer inBuffer, InetAddress sourceAddress, int port) {
471 MapReply mapReply = MapReplySerializer.getInstance().deserialize(inBuffer);
472 GotMapReplyBuilder gotMapReplyBuilder = new GotMapReplyBuilder();
473 gotMapReplyBuilder.setMapReply(LispNotificationHelper.convertMapReply(mapReply));
474 TransportAddressBuilder transportAddressBuilder = new TransportAddressBuilder();
475 transportAddressBuilder.setIpAddress(LispNotificationHelper
476 .getIpAddressBinaryFromInetAddress(sourceAddress));
477 transportAddressBuilder.setPort(new PortNumber(port));
478 gotMapReplyBuilder.setTransportAddress(transportAddressBuilder.build());
479 if (notificationPublishService != null) {
480 notificationPublishService.putNotification(gotMapReplyBuilder.build());
481 LOG.trace("MapReply was published!");
483 LOG.warn("Notification Provider is null!");
485 } catch (RuntimeException re) {
486 throw new LispMalformedPacketException("Couldn't deserialize Map-Reply (len="
487 + inBuffer.capacity() + ")", re);
488 } catch (InterruptedException e) {
489 LOG.warn("Notification publication interrupted!");
493 private void handleStats(int type) {
494 if (lispSbStats != null) {
495 if (type <= LispSouthboundStats.MAX_LISP_TYPES) {
496 lispSbStats.incrementRx(type);
498 lispSbStats.incrementRxUnknown();
504 protected void channelRead0(ChannelHandlerContext ctx, DatagramPacket msg) throws Exception {
505 if (LOG.isTraceEnabled()) {
506 LOG.trace("Received UDP packet from {}:{} with content:\n{}", msg.sender().getHostString(),
507 msg.sender().getPort(), ByteBufUtil.prettyHexDump(msg.content()));
513 public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
518 public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
519 LOG.error("Error on channel: " + cause, cause);
523 public void close() throws Exception {
524 authenticationKeyDataListener.closeDataChangeListener();
527 public void setSimpleMapCache(final SimpleMapCache smc) {
531 public void setDataBroker(final DataBroker dataBroker) {
532 this.dataBroker = dataBroker;
535 public void setNotificationProvider(NotificationPublishService nps) {
536 this.notificationPublishService = nps;
539 public void setMapRegisterCache(final MapRegisterCache mapRegisterCache) {
540 this.mapRegisterCache = mapRegisterCache;
543 public void setMapRegisterCacheEnabled(final boolean mapRegisterCacheEnabled) {
544 this.mapRegisterCacheEnabled = mapRegisterCacheEnabled;
548 * Restore all keys from MDSAL datastore
550 public void restoreDaoFromDatastore() {
551 final List<AuthenticationKey> authKeys = dsbe.getAllAuthenticationKeys();
552 LOG.info("Restoring {} keys from datastore into southbound DAO", authKeys.size());
554 for (AuthenticationKey authKey : authKeys) {
555 final Eid key = authKey.getEid();
556 final MappingAuthkey mappingAuthkey = authKey.getMappingAuthkey();
557 LOG.debug("Adding authentication key '{}' with key-ID {} for {}", mappingAuthkey.getKeyString(),
558 mappingAuthkey.getKeyType(),
559 LispAddressStringifier.getString(key));
560 smc.addAuthenticationKey(key, mappingAuthkey);
565 Preconditions.checkNotNull(dataBroker);
566 Preconditions.checkNotNull(smc);
567 this.authenticationKeyDataListener = new AuthenticationKeyDataListener(dataBroker, smc);
568 dsbe = new DataStoreBackEnd(dataBroker);