bgp/rib-impl/src/test/java/org/opendaylight/protocol/bgp/rib/impl/AbstractAddPathTest.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.protocol.bgp.rib.impl;
   9
  10 import static org.mockito.Matchers.any;
  11 import static org.mockito.Mockito.doReturn;
  12 import static org.opendaylight.protocol.bgp.rib.impl.CheckUtil.readData;
  13 import static org.opendaylight.protocol.bgp.rib.impl.CheckUtil.waitFutureSuccess;
  14
  15 import com.google.common.base.Optional;
  16 import com.google.common.collect.Lists;
  17 import com.google.common.net.InetAddresses;
  18 import io.netty.channel.epoll.Epoll;
  19 import io.netty.channel.nio.NioEventLoopGroup;
  20 import io.netty.util.concurrent.Future;
  21 import java.net.InetAddress;
  22 import java.net.InetSocketAddress;
  23 import java.util.Collections;
  24 import java.util.List;
  25 import java.util.concurrent.ExecutionException;
  26 import javassist.ClassPool;
  27 import org.junit.After;
  28 import org.junit.Assert;
  29 import org.junit.Before;
  30 import org.mockito.Mock;
  31 import org.mockito.Mockito;
  32 import org.mockito.MockitoAnnotations;
  33 import org.opendaylight.controller.md.sal.binding.impl.BindingToNormalizedNodeCodec;
  34 import org.opendaylight.controller.md.sal.binding.test.AbstractDataBrokerTest;
  35 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonService;
  36 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
  37 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceRegistration;
  38 import org.opendaylight.protocol.bgp.inet.RIBActivator;
  39 import org.opendaylight.protocol.bgp.parser.impl.BGPActivator;
  40 import org.opendaylight.protocol.bgp.parser.spi.BGPExtensionProviderContext;
  41 import org.opendaylight.protocol.bgp.parser.spi.pojo.SimpleBGPExtensionProviderContext;
  42 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPPeerRegistry;
  43 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionPreferences;
  44 import org.opendaylight.protocol.bgp.rib.spi.BGPSessionListener;
  45 import org.opendaylight.protocol.bgp.rib.spi.RIBExtensionProviderContext;
  46 import org.opendaylight.protocol.bgp.rib.spi.SimpleRIBExtensionProviderContext;
  47 import org.opendaylight.protocol.util.InetSocketAddressUtil;
  48 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
  49 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  50 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  51 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.bgp.rib.rib.loc.rib.tables.routes.Ipv4RoutesCase;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.prefixes.DestinationIpv4Builder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.prefixes.destination.ipv4.Ipv4PrefixesBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.ipv4.routes.Ipv4Route;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationIpv4Case;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationIpv4CaseBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.PathId;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Update;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.UpdateBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParameters;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParametersBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilities;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.AsPathBuilder;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.ClusterIdBuilder;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.LocalPrefBuilder;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.OriginBuilder;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.OriginatorIdBuilder;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.as.path.SegmentsBuilder;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.message.WithdrawnRoutesBuilder;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes1;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes1Builder;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1Builder;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.SendReceive;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.AddPathCapabilityBuilder;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.MultiprotocolCapability;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.MultiprotocolCapabilityBuilder;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.add.path.capability.AddressFamiliesBuilder;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpReachNlri;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpReachNlriBuilder;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.mp.reach.nlri.AdvertizedRoutes;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.BgpRib;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.PeerRole;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.Peer;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.BgpId;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.BgpOrigin;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.ClusterIdentifier;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.ipv4.next.hop._case.Ipv4NextHopBuilder;
  97 import org.opendaylight.yangtools.binding.data.codec.gen.impl.StreamWriterGenerator;
  98 import org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry;
  99 import org.opendaylight.yangtools.sal.binding.generator.impl.GeneratedClassLoadingStrategy;
 100 import org.opendaylight.yangtools.sal.binding.generator.impl.ModuleInfoBackedContext;
 101 import org.opendaylight.yangtools.sal.binding.generator.util.JavassistUtils;
 102 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 103 import org.opendaylight.yangtools.yang.binding.util.BindingReflections;
 104 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 105
 106 class AbstractAddPathTest extends AbstractDataBrokerTest {
 107     static final int RETRY_TIMER = 10;
 108     static final String RIB_ID = "127.0.0.1";
 109     static final Ipv4Address PEER1 = new Ipv4Address("127.0.0.2");
 110     static final Ipv4Address PEER2 = new Ipv4Address("127.0.0.3");
 111     static final Ipv4Address PEER3 = new Ipv4Address("127.0.0.4");
 112     static final Ipv4Address PEER4 = new Ipv4Address("127.0.0.5");
 113     static final Ipv4Address PEER5 = new Ipv4Address("127.0.0.6");
 114     static final Ipv4Address PEER6 = new Ipv4Address("127.0.0.7");
 115     static final AsNumber AS_NUMBER = new AsNumber(72L);
 116     static final int PORT = InetSocketAddressUtil.getRandomPort();
 117     static final Ipv4Prefix PREFIX1 = new Ipv4Prefix("1.1.1.1/32");
 118     private static final ClusterIdentifier CLUSTER_ID = new ClusterIdentifier(RIB_ID);
 119     private static final int HOLDTIMER = 2180;
 120     private static final Ipv4Address NH1 = new Ipv4Address("2.2.2.2");
 121     static final Update UPD_100 = createSimpleUpdate(PREFIX1, new PathId(1L), CLUSTER_ID, 100);
 122     static final Update UPD_50 = createSimpleUpdate(PREFIX1, new PathId(2L), CLUSTER_ID, 50);
 123     static final Update UPD_200 = createSimpleUpdate(PREFIX1, new PathId(3L), CLUSTER_ID, 200);
 124     static final Update UPD_20 = createSimpleUpdate(PREFIX1, new PathId(1L), CLUSTER_ID, 20);
 125     static final Update UPD_NA_100 = createSimpleUpdate(PREFIX1, null, CLUSTER_ID, 100);
 126     static final Update UPD_NA_100_EBGP = createSimpleUpdateEbgp(PREFIX1, null);
 127     static final Update UPD_NA_200 = createSimpleUpdate(PREFIX1, null, CLUSTER_ID, 200);
 128     static final Update UPD_NA_200_EBGP = createSimpleUpdateEbgp(PREFIX1, null);
 129     protected BGPExtensionProviderContext context;
 130     private static final InstanceIdentifier<BgpRib> BGP_IID = InstanceIdentifier.create(BgpRib.class);
 131     protected SchemaContext schemaContext;
 132     @Mock
 133     protected ClusterSingletonServiceProvider clusterSingletonServiceProvider;
 134     BindingToNormalizedNodeCodec mappingService;
 135     BGPDispatcherImpl dispatcher;
 136     RIBExtensionProviderContext ribExtension;
 137     private RIBActivator ribActivator;
 138     private BGPActivator bgpActivator;
 139     private NioEventLoopGroup worker;
 140     private NioEventLoopGroup boss;
 141     private org.opendaylight.protocol.bgp.inet.BGPActivator inetActivator;
 142
 143     @Before
 144     public void setUp() throws Exception {
 145         MockitoAnnotations.initMocks(this);
 146         this.ribActivator = new RIBActivator();
 147         this.ribExtension = new SimpleRIBExtensionProviderContext();
 148
 149         this.ribActivator.startRIBExtensionProvider(this.ribExtension);
 150
 151         this.bgpActivator = new BGPActivator();
 152         this.inetActivator = new org.opendaylight.protocol.bgp.inet.BGPActivator();
 153         this.context = new SimpleBGPExtensionProviderContext();
 154         this.bgpActivator.start(this.context);
 155         this.inetActivator.start(this.context);
 156
 157         this.mappingService = new BindingToNormalizedNodeCodec(GeneratedClassLoadingStrategy.getTCCLClassLoadingStrategy(),
 158             new BindingNormalizedNodeCodecRegistry(StreamWriterGenerator.create(JavassistUtils.forClassPool(ClassPool.getDefault()))));
 159         final ModuleInfoBackedContext moduleInfoBackedContext = ModuleInfoBackedContext.create();
 160         moduleInfoBackedContext.registerModuleInfo(BindingReflections.getModuleInfo(BgpParameters.class));
 161         moduleInfoBackedContext.registerModuleInfo(BindingReflections.getModuleInfo(MultiprotocolCapability.class));
 162         moduleInfoBackedContext.registerModuleInfo(BindingReflections.getModuleInfo(DestinationIpv4Case.class));
 163         moduleInfoBackedContext.registerModuleInfo(BindingReflections.getModuleInfo(AdvertizedRoutes.class));
 164         moduleInfoBackedContext.registerModuleInfo(BindingReflections.getModuleInfo(BgpRib.class));
 165         moduleInfoBackedContext.registerModuleInfo(BindingReflections.getModuleInfo(Attributes1.class));
 166         moduleInfoBackedContext.registerModuleInfo(BindingReflections.getModuleInfo(MpReachNlri.class));
 167         this.mappingService.onGlobalContextUpdated(moduleInfoBackedContext.tryToCreateSchemaContext().get());
 168         this.schemaContext = moduleInfoBackedContext.getSchemaContext();
 169         if (!Epoll.isAvailable()) {
 170             this.worker = new NioEventLoopGroup();
 171             this.boss = new NioEventLoopGroup();
 172         }
 173         this.dispatcher = new BGPDispatcherImpl(this.context.getMessageRegistry(), this.boss, this.worker);
 174         doReturn(Mockito.mock(ClusterSingletonServiceRegistration.class)).when(this.clusterSingletonServiceProvider)
 175             .registerClusterSingletonService(any(ClusterSingletonService.class));
 176     }
 177
 178     @After
 179     public void tearDown() {
 180         this.dispatcher.close();
 181         if (!Epoll.isAvailable()) {
 182             this.worker.shutdownGracefully().awaitUninterruptibly();
 183             this.boss.shutdownGracefully().awaitUninterruptibly();
 184         }
 185         this.mappingService.close();
 186         this.ribActivator.close();
 187         this.inetActivator.close();
 188         this.bgpActivator.close();
 189     }
 190
 191     void sendRouteAndCheckIsOnLocRib(final BGPSessionImpl session, final Ipv4Prefix prefix, final long localPreference, final int expectedRoutesOnDS)
 192         throws Exception {
 193         waitFutureSuccess(session.writeAndFlush(createSimpleUpdate(prefix, null, null, localPreference)));
 194         checkLocRib(expectedRoutesOnDS);
 195     }
 196
 197     void sendWithdrawalRouteAndCheckIsOnLocRib(final BGPSessionImpl session, final Ipv4Prefix prefix, final long localPreference, final int expectedRoutesOnDS)
 198         throws Exception {
 199         waitFutureSuccess(session.writeAndFlush(createSimpleWithdrawalUpdate(prefix, localPreference)));
 200         checkLocRib(expectedRoutesOnDS);
 201     }
 202
 203     private void checkLocRib(final int expectedRoutesOnDS) throws Exception {
 204         Thread.sleep(100);
 205         readData(getDataBroker(), BGP_IID, bgpRib -> {
 206             final Ipv4RoutesCase routes = ((Ipv4RoutesCase) bgpRib.getRib().get(0).getLocRib().getTables().get(0).getRoutes());
 207             final List<Ipv4Route> routeList = routes.getIpv4Routes().getIpv4Route();
 208             Assert.assertEquals(expectedRoutesOnDS, routeList.size());
 209             return bgpRib;
 210         });
 211     }
 212
 213     void checkPeersPresentOnDataStore(final int numberOfPeers) throws Exception {
 214         readData(getDataBroker(), BGP_IID, bgpRib -> {
 215             Assert.assertEquals(numberOfPeers, bgpRib.getRib().get(0).getPeer().size());
 216             return bgpRib;
 217         });
 218     }
 219
 220     BGPSessionImpl createPeerSession(final Ipv4Address peer, final PeerRole peerRole, final BgpParameters nonAddPathParams, final RIBImpl ribImpl,
 221         final SimpleSessionListener sessionListener) throws InterruptedException, ExecutionException {
 222         configurePeer(peer, ribImpl, nonAddPathParams, peerRole);
 223         return connectPeer(peer, nonAddPathParams, this.dispatcher, sessionListener);
 224     }
 225
 226     private static int getPeerRibOutSize(final Peer peer) {
 227         return ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.bgp.rib.rib.peer.adj.rib.out.tables.routes.Ipv4RoutesCase) peer.getAdjRibOut().getTables().get(0).getRoutes()).getIpv4Routes().getIpv4Route().size();
 228     }
 229
 230     private static void configurePeer(final Ipv4Address localAddress, final RIBImpl ribImpl, final BgpParameters bgpParameters, final PeerRole peerRole) {
 231         final InetAddress inetAddress = InetAddresses.forString(localAddress.getValue());
 232
 233         final BGPPeer bgpPeer = new BGPPeer(inetAddress.getHostAddress(), ribImpl, peerRole, null);
 234         final List<BgpParameters> tlvs = Lists.newArrayList(bgpParameters);
 235         StrictBGPPeerRegistry.GLOBAL.addPeer(new IpAddress(new Ipv4Address(inetAddress.getHostAddress())), bgpPeer,
 236             new BGPSessionPreferences(AS_NUMBER, HOLDTIMER, new BgpId(RIB_ID), AS_NUMBER, tlvs, Optional.absent()));
 237         bgpPeer.instantiateServiceInstance();
 238     }
 239
 240     private static BGPSessionImpl connectPeer(final Ipv4Address localAddress, final BgpParameters bgpParameters,
 241         final BGPDispatcherImpl dispatcherImpl, final BGPSessionListener sessionListener) throws InterruptedException {
 242         final BGPPeerRegistry peerRegistry = new StrictBGPPeerRegistry();
 243         peerRegistry.addPeer(new IpAddress(new Ipv4Address(RIB_ID)), sessionListener,
 244             new BGPSessionPreferences(AS_NUMBER, HOLDTIMER, new BgpId(localAddress),
 245                 AS_NUMBER, Lists.newArrayList(bgpParameters), Optional.absent()));
 246
 247         final Future<BGPSessionImpl> future = dispatcherImpl.createClient(new InetSocketAddress(localAddress.getValue(), PORT),
 248             new InetSocketAddress(RIB_ID, PORT), peerRegistry, RETRY_TIMER, true);
 249         Thread.sleep(200);
 250         waitFutureSuccess(future);
 251         final BGPSessionImpl client = future.getNow();
 252         return client;
 253     }
 254
 255     protected static BgpParameters createParameter(final boolean addPath) {
 256         final OptionalCapabilities mp = new OptionalCapabilitiesBuilder().setCParameters(
 257             new CParametersBuilder().addAugmentation(CParameters1.class,
 258                 new CParameters1Builder().setMultiprotocolCapability(
 259                     new MultiprotocolCapabilityBuilder().setAfi(Ipv4AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class)
 260                         .build()).build()).build()).build();
 261         final List<OptionalCapabilities> capabilities = Lists.newArrayList(mp);
 262         if (addPath) {
 263             final OptionalCapabilities addPathCapa = new OptionalCapabilitiesBuilder().setCParameters(
 264                 new CParametersBuilder().addAugmentation(CParameters1.class,
 265                     new CParameters1Builder().setAddPathCapability(
 266                         new AddPathCapabilityBuilder().setAddressFamilies(Lists.newArrayList(
 267                             new AddressFamiliesBuilder()
 268                                 .setAfi(Ipv4AddressFamily.class)
 269                                 .setSafi(UnicastSubsequentAddressFamily.class)
 270                                 .setSendReceive(SendReceive.Both)
 271                                 .build()))
 272                             .build()).build()).build()).build();
 273             capabilities.add(addPathCapa);
 274         }
 275         return new BgpParametersBuilder().setOptionalCapabilities(capabilities).build();
 276     }
 277
 278     private static Update createSimpleUpdate(final Ipv4Prefix prefix, final PathId pathId, final ClusterIdentifier clusterId,
 279         final long localPreference) {
 280         final AttributesBuilder attBuilder = new AttributesBuilder();
 281         attBuilder.setLocalPref(new LocalPrefBuilder().setPref(localPreference).build());
 282         attBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
 283         attBuilder.setAsPath(new AsPathBuilder().setSegments(Collections.emptyList()).build());
 284         if (clusterId != null) {
 285             attBuilder.setClusterId(new ClusterIdBuilder().setCluster(Collections.singletonList(clusterId)).build());
 286             attBuilder.setOriginatorId(new OriginatorIdBuilder().setOriginator(new Ipv4Address(clusterId)).build());
 287         }
 288         addAttributeAugmentation(attBuilder, prefix, pathId);
 289         return new UpdateBuilder().setAttributes(attBuilder.build()).build();
 290     }
 291
 292     private static Update createSimpleUpdateEbgp(final Ipv4Prefix prefix, final PathId pathId) {
 293         final AttributesBuilder attBuilder = new AttributesBuilder();
 294         attBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
 295         attBuilder.setAsPath(new AsPathBuilder().setSegments(Collections.singletonList(
 296             new SegmentsBuilder().setAsSequence(Collections.singletonList(AS_NUMBER)).build())).build());
 297         addAttributeAugmentation(attBuilder, prefix, pathId);
 298
 299         return new UpdateBuilder().setAttributes(attBuilder.build()).build();
 300     }
 301
 302     private static void addAttributeAugmentation(final AttributesBuilder attBuilder, final Ipv4Prefix prefix, final PathId pathId) {
 303         attBuilder.setUnrecognizedAttributes(Collections.emptyList());
 304         attBuilder.addAugmentation(Attributes1.class,
 305             new Attributes1Builder().setMpReachNlri(
 306                 new MpReachNlriBuilder()
 307                     .setCNextHop(new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(NH1).build()).build())
 308                     .setAfi(Ipv4AddressFamily.class)
 309                     .setSafi(UnicastSubsequentAddressFamily.class)
 310                     .setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(
 311                         new DestinationIpv4CaseBuilder().setDestinationIpv4(
 312                             new DestinationIpv4Builder().setIpv4Prefixes(Collections.singletonList(
 313                                 new Ipv4PrefixesBuilder().setPathId(pathId).setPrefix(new Ipv4Prefix(prefix)).build())).build())
 314                             .build()).build())
 315                     .build()).build());
 316     }
 317
 318     private static Update createSimpleWithdrawalUpdate(final Ipv4Prefix prefix, final long localPreference) {
 319         final AttributesBuilder attBuilder = new AttributesBuilder();
 320         attBuilder.setLocalPref(new LocalPrefBuilder().setPref(localPreference).build());
 321         attBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
 322         attBuilder.setAsPath(new AsPathBuilder().setSegments(Collections.emptyList()).build());
 323         attBuilder.setUnrecognizedAttributes(Collections.emptyList());
 324         return new UpdateBuilder().setWithdrawnRoutes(new WithdrawnRoutesBuilder().setWithdrawnRoutes(Collections.singletonList(prefix)).build()).build();
 325     }
 326 }