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.spi.RouterIds.createPeerId;
  13
  14 import com.google.common.base.Optional;
  15 import com.google.common.collect.Lists;
  16 import com.google.common.net.InetAddresses;
  17 import io.netty.bootstrap.Bootstrap;
  18 import io.netty.channel.Channel;
  19 import io.netty.channel.ChannelFuture;
  20 import io.netty.channel.ChannelInitializer;
  21 import io.netty.channel.ChannelOption;
  22 import io.netty.channel.epoll.Epoll;
  23 import io.netty.channel.epoll.EpollEventLoopGroup;
  24 import io.netty.channel.nio.NioEventLoopGroup;
  25 import io.netty.channel.socket.SocketChannel;
  26 import io.netty.util.concurrent.DefaultPromise;
  27 import java.net.InetAddress;
  28 import java.net.InetSocketAddress;
  29 import java.util.Collections;
  30 import java.util.List;
  31 import java.util.concurrent.ExecutionException;
  32 import javassist.ClassPool;
  33 import org.junit.After;
  34 import org.junit.Assert;
  35 import org.junit.Before;
  36 import org.mockito.Mock;
  37 import org.mockito.Mockito;
  38 import org.mockito.MockitoAnnotations;
  39 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  40 import org.opendaylight.controller.md.sal.binding.impl.BindingToNormalizedNodeCodec;
  41 import org.opendaylight.controller.md.sal.binding.test.AbstractDataBrokerTest;
  42 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  43 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonService;
  44 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceProvider;
  45 import org.opendaylight.mdsal.singleton.common.api.ClusterSingletonServiceRegistration;
  46 import org.opendaylight.protocol.bgp.inet.RIBActivator;
  47 import org.opendaylight.protocol.bgp.parser.impl.BGPActivator;
  48 import org.opendaylight.protocol.bgp.parser.spi.BGPExtensionProviderContext;
  49 import org.opendaylight.protocol.bgp.parser.spi.pojo.SimpleBGPExtensionProviderContext;
  50 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPPeerRegistry;
  51 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionPreferences;
  52 import org.opendaylight.protocol.bgp.rib.spi.BGPSessionListener;
  53 import org.opendaylight.protocol.bgp.rib.spi.RIBExtensionProviderContext;
  54 import org.opendaylight.protocol.bgp.rib.spi.SimpleRIBExtensionProviderContext;
  55 import org.opendaylight.protocol.util.InetSocketAddressUtil;
  56 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
  57 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  58 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  59 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.bgp.rib.rib.loc.rib.tables.routes.Ipv4RoutesCase;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.prefixes.DestinationIpv4Builder;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.prefixes.destination.ipv4.Ipv4PrefixesBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.ipv4.routes.Ipv4Route;
  64 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;
  65 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;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.PathId;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Update;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.UpdateBuilder;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParameters;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParametersBuilder;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilities;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.AsPathBuilder;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.ClusterIdBuilder;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.LocalPrefBuilder;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.OriginBuilder;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.OriginatorIdBuilder;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.as.path.SegmentsBuilder;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.message.WithdrawnRoutesBuilder;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes1;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes1Builder;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1Builder;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.SendReceive;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.AddPathCapabilityBuilder;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.MultiprotocolCapability;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.MultiprotocolCapabilityBuilder;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.add.path.capability.AddressFamiliesBuilder;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpReachNlri;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpReachNlriBuilder;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.mp.reach.nlri.AdvertizedRoutes;
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.BgpRib;
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.PeerId;
  97 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.PeerRole;
  98 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.Peer;
  99 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.BgpId;
 100 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.BgpOrigin;
 101 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.ClusterIdentifier;
 102 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
 103 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
 104 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
 105 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;
 106 import org.opendaylight.yangtools.binding.data.codec.gen.impl.StreamWriterGenerator;
 107 import org.opendaylight.yangtools.binding.data.codec.impl.BindingNormalizedNodeCodecRegistry;
 108 import org.opendaylight.yangtools.sal.binding.generator.impl.GeneratedClassLoadingStrategy;
 109 import org.opendaylight.yangtools.sal.binding.generator.impl.ModuleInfoBackedContext;
 110 import org.opendaylight.yangtools.sal.binding.generator.util.JavassistUtils;
 111 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
 112 import org.opendaylight.yangtools.yang.binding.util.BindingReflections;
 113 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 114
 115 class AbstractAddPathTest extends AbstractDataBrokerTest {
 116     static final String RIB_ID = "127.0.0.1";
 117     static final Ipv4Address PEER1 = new Ipv4Address("127.0.0.2");
 118     static final Ipv4Address PEER2 = new Ipv4Address("127.0.0.3");
 119     static final Ipv4Address PEER3 = new Ipv4Address("127.0.0.4");
 120     static final Ipv4Address PEER4 = new Ipv4Address("127.0.0.5");
 121     static final Ipv4Address PEER5 = new Ipv4Address("127.0.0.6");
 122     static final Ipv4Address PEER6 = new Ipv4Address("127.0.0.7");
 123     static final AsNumber AS_NUMBER = new AsNumber(72L);
 124     static final int PORT = InetSocketAddressUtil.getRandomPort();
 125     static final Ipv4Prefix PREFIX1 = new Ipv4Prefix("1.1.1.1/32");
 126     private static final ClusterIdentifier CLUSTER_ID = new ClusterIdentifier(RIB_ID);
 127     private static final PeerId PEER1_ID = createPeerId(PEER1);
 128     private static final PeerId PEER2_ID = createPeerId(PEER2);
 129     private static final PeerId PEER3_ID = createPeerId(PEER3);
 130     private static final PeerId PEER4_ID = createPeerId(PEER4);
 131     private static final PeerId PEER5_ID = createPeerId(PEER5);
 132     private static final int HOLDTIMER = 2180;
 133     private static final Ipv4Address NH1 = new Ipv4Address("2.2.2.2");
 134     static final Update UPD_100 = createSimpleUpdate(PREFIX1, new PathId(1L), CLUSTER_ID, 100);
 135     static final Update UPD_50 = createSimpleUpdate(PREFIX1, new PathId(2L), CLUSTER_ID, 50);
 136     static final Update UPD_200 = createSimpleUpdate(PREFIX1, new PathId(3L), CLUSTER_ID, 200);
 137     static final Update UPD_20 = createSimpleUpdate(PREFIX1, new PathId(1L), CLUSTER_ID, 20);
 138     static final Update UPD_NA_100 = createSimpleUpdate(PREFIX1, null, CLUSTER_ID, 100);
 139     static final Update UPD_NA_100_EBGP = createSimpleUpdateEbgp(PREFIX1, null);
 140     static final Update UPD_NA_200 = createSimpleUpdate(PREFIX1, null, CLUSTER_ID, 200);
 141     static final Update UPD_NA_200_EBGP = createSimpleUpdateEbgp(PREFIX1, null);
 142     protected BGPExtensionProviderContext context;
 143     protected SchemaContext schemaContext;
 144     @Mock
 145     protected ClusterSingletonServiceProvider clusterSingletonServiceProvider;
 146     BindingToNormalizedNodeCodec mappingService;
 147     BGPDispatcherImpl dispatcher;
 148     RIBExtensionProviderContext ribExtension;
 149     private RIBActivator ribActivator;
 150     private BGPActivator bgpActivator;
 151     private NioEventLoopGroup worker;
 152     private NioEventLoopGroup boss;
 153     private org.opendaylight.protocol.bgp.inet.BGPActivator inetActivator;
 154
 155     @Before
 156     public void setUp() throws Exception {
 157         MockitoAnnotations.initMocks(this);
 158         this.ribActivator = new RIBActivator();
 159         this.ribExtension = new SimpleRIBExtensionProviderContext();
 160
 161         this.ribActivator.startRIBExtensionProvider(this.ribExtension);
 162
 163         this.bgpActivator = new BGPActivator();
 164         this.inetActivator = new org.opendaylight.protocol.bgp.inet.BGPActivator();
 165         this.context = new SimpleBGPExtensionProviderContext();
 166         this.bgpActivator.start(this.context);
 167         this.inetActivator.start(this.context);
 168
 169         this.mappingService = new BindingToNormalizedNodeCodec(GeneratedClassLoadingStrategy.getTCCLClassLoadingStrategy(),
 170             new BindingNormalizedNodeCodecRegistry(StreamWriterGenerator.create(JavassistUtils.forClassPool(ClassPool.getDefault()))));
 171         final ModuleInfoBackedContext moduleInfoBackedContext = ModuleInfoBackedContext.create();
 172         moduleInfoBackedContext.registerModuleInfo(BindingReflections.getModuleInfo(BgpParameters.class));
 173         moduleInfoBackedContext.registerModuleInfo(BindingReflections.getModuleInfo(MultiprotocolCapability.class));
 174         moduleInfoBackedContext.registerModuleInfo(BindingReflections.getModuleInfo(DestinationIpv4Case.class));
 175         moduleInfoBackedContext.registerModuleInfo(BindingReflections.getModuleInfo(AdvertizedRoutes.class));
 176         moduleInfoBackedContext.registerModuleInfo(BindingReflections.getModuleInfo(BgpRib.class));
 177         moduleInfoBackedContext.registerModuleInfo(BindingReflections.getModuleInfo(Attributes1.class));
 178         moduleInfoBackedContext.registerModuleInfo(BindingReflections.getModuleInfo(MpReachNlri.class));
 179         this.mappingService.onGlobalContextUpdated(moduleInfoBackedContext.tryToCreateSchemaContext().get());
 180         this.schemaContext = moduleInfoBackedContext.getSchemaContext();
 181
 182         this.worker = new NioEventLoopGroup();
 183         this.boss = new NioEventLoopGroup();
 184         this.dispatcher = new BGPDispatcherImpl(this.context.getMessageRegistry(), this.boss, this.worker);
 185         doReturn(Mockito.mock(ClusterSingletonServiceRegistration.class)).when(this.clusterSingletonServiceProvider)
 186             .registerClusterSingletonService(any(ClusterSingletonService.class));
 187     }
 188
 189     @After
 190     public void tearDown() {
 191         this.dispatcher.close();
 192         this.worker.shutdownGracefully().awaitUninterruptibly();
 193         this.boss.shutdownGracefully().awaitUninterruptibly();
 194         this.mappingService.close();
 195         this.ribActivator.close();
 196         this.inetActivator.close();
 197         this.bgpActivator.close();
 198     }
 199
 200     void checkRibOut(final int nAddPathRoutesExpected) throws ExecutionException, InterruptedException {
 201         final ReadOnlyTransaction rTx = getDataBroker().newReadOnlyTransaction();
 202         final BgpRib bgpRib = rTx.read(LogicalDatastoreType.OPERATIONAL, InstanceIdentifier.create(BgpRib.class)).get().get();
 203         rTx.close();
 204
 205         //check peer's rib-out
 206         for (final Peer peer : bgpRib.getRib().get(0).getPeer()) {
 207             final int ribOut = getPeerRibOutSize(peer);
 208             if (peer.getPeerId().equals(PEER1_ID)) {
 209                 Assert.assertEquals(0, ribOut);
 210             } else if (peer.getPeerId().equals(PEER2_ID)) {
 211                 Assert.assertEquals(0, ribOut);
 212             } else if (peer.getPeerId().equals(PEER3_ID)) {
 213                 Assert.assertEquals(0, ribOut);
 214             } else if (peer.getPeerId().equals(PEER4_ID)) {
 215                 Assert.assertEquals(1, ribOut);
 216             } else if (peer.getPeerId().equals(PEER5_ID)) {
 217                 Assert.assertEquals(nAddPathRoutesExpected, ribOut);
 218             } else {
 219                 Assert.fail("Failed to verify " + peer);
 220             }
 221         }
 222     }
 223
 224     void sendRouteAndCheckIsOnLocRib(final Channel session, final Ipv4Prefix prefix, final long localPreference, final int expectedRoutesOnDS)
 225         throws InterruptedException, ExecutionException {
 226         session.writeAndFlush(createSimpleUpdate(prefix, null, null, localPreference));
 227         Thread.sleep(2000);
 228         checkLocRib(expectedRoutesOnDS);
 229
 230     }
 231
 232     void sendWithdrawalRouteAndCheckIsOnLocRib(final Channel session, final Ipv4Prefix prefix, final long localPreference, final int expectedRoutesOnDS)
 233         throws InterruptedException, ExecutionException {
 234         session.writeAndFlush(createSimpleWithdrawalUpdate(prefix, localPreference));
 235         Thread.sleep(2000);
 236         checkLocRib(expectedRoutesOnDS);
 237     }
 238
 239     private void checkLocRib(final int expectedRoutesOnDS) throws ExecutionException, InterruptedException {
 240         final ReadOnlyTransaction rTx = getDataBroker().newReadOnlyTransaction();
 241         final BgpRib bgpRib = rTx.read(LogicalDatastoreType.OPERATIONAL, InstanceIdentifier.create(BgpRib.class)).get().get();
 242         rTx.close();
 243         final Ipv4RoutesCase routes = ((Ipv4RoutesCase) bgpRib.getRib().get(0).getLocRib().getTables().get(0).getRoutes());
 244         final List<Ipv4Route> routeList = routes.getIpv4Routes().getIpv4Route();
 245         Assert.assertEquals(expectedRoutesOnDS, routeList.size());
 246     }
 247
 248     void checkPeersPresentOnDataStore(final int numberOfPeers) throws ExecutionException, InterruptedException {
 249         Thread.sleep(1000);
 250         final ReadOnlyTransaction rTx = getDataBroker().newReadOnlyTransaction();
 251         final BgpRib bgpRib = rTx.read(LogicalDatastoreType.OPERATIONAL, InstanceIdentifier.create(BgpRib.class)).get().get();
 252         rTx.close();
 253
 254         //check 5 peers present in the DS
 255         Assert.assertEquals(numberOfPeers, bgpRib.getRib().get(0).getPeer().size());
 256     }
 257
 258     Channel createPeerSession(final Ipv4Address peer, final PeerRole peerRole, final BgpParameters nonAddPathParams, final RIBImpl ribImpl,
 259         final BGPHandlerFactory hf, final SimpleSessionListener sessionListsner) throws InterruptedException, ExecutionException {
 260         configurePeer(peer, ribImpl, nonAddPathParams, peerRole);
 261         return connectPeer(peer, nonAddPathParams, this.dispatcher, hf, sessionListsner);
 262     }
 263
 264     private static int getPeerRibOutSize(final Peer peer) {
 265         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();
 266     }
 267
 268     private static ChannelFuture createClient(final BGPDispatcherImpl dispatcher, final InetSocketAddress remoteAddress,
 269         final BGPPeerRegistry registry, final InetSocketAddress localAddress, final BGPHandlerFactory hf) throws InterruptedException {
 270         final BGPClientSessionNegotiatorFactory snf = new BGPClientSessionNegotiatorFactory(registry);
 271
 272         final Bootstrap bootstrap = dispatcher.createClientBootStrap(Optional.absent(), Epoll.isAvailable() ? new EpollEventLoopGroup() : new NioEventLoopGroup());
 273         bootstrap.localAddress(localAddress);
 274         bootstrap.option(ChannelOption.SO_REUSEADDR, true);
 275         bootstrap.handler(new ChannelInitializer<SocketChannel>() {
 276             @Override
 277             protected void initChannel(final SocketChannel ch) throws Exception {
 278                 ch.pipeline().addLast(hf.getDecoders());
 279                 ch.pipeline().addLast("negotiator", snf.getSessionNegotiator(ch, new DefaultPromise<>(ch.eventLoop())));
 280                 ch.pipeline().addLast(hf.getEncoders());
 281             }
 282         });
 283         return bootstrap.connect(remoteAddress).sync();
 284     }
 285
 286     private static void configurePeer(final Ipv4Address localAddress, final RIBImpl ribImpl, final BgpParameters bgpParameters, final PeerRole peerRole) {
 287         final InetAddress inetAddress = InetAddresses.forString(localAddress.getValue());
 288
 289         final BGPPeer bgpPeer = new BGPPeer(inetAddress.getHostAddress(), ribImpl, peerRole, null);
 290         final List<BgpParameters> tlvs = Lists.newArrayList(bgpParameters);
 291         StrictBGPPeerRegistry.GLOBAL.addPeer(new IpAddress(new Ipv4Address(inetAddress.getHostAddress())), bgpPeer,
 292             new BGPSessionPreferences(AS_NUMBER, HOLDTIMER, new BgpId(RIB_ID),
 293                 AS_NUMBER, tlvs, Optional.absent()));
 294         bgpPeer.instantiateServiceInstance();
 295     }
 296
 297     private static Channel connectPeer(final Ipv4Address localAddress, final BgpParameters bgpParameters,
 298         final BGPDispatcherImpl dispatcherImpl, final BGPHandlerFactory hf, final BGPSessionListener sessionListsner) throws InterruptedException {
 299         final BGPPeerRegistry peerRegistry = new StrictBGPPeerRegistry();
 300         peerRegistry.addPeer(new IpAddress(new Ipv4Address(RIB_ID)), sessionListsner,
 301             new BGPSessionPreferences(AS_NUMBER, HOLDTIMER, new BgpId(localAddress),
 302                 AS_NUMBER, Lists.newArrayList(bgpParameters), Optional.absent()));
 303
 304         final ChannelFuture createClient = createClient(dispatcherImpl, new InetSocketAddress(RIB_ID, PORT), peerRegistry, new InetSocketAddress(localAddress.getValue(), PORT), hf);
 305         Thread.sleep(1000);
 306         return createClient.channel();
 307     }
 308
 309     protected static BgpParameters createParameter(final boolean addPath) {
 310         final OptionalCapabilities mp = new OptionalCapabilitiesBuilder().setCParameters(
 311             new CParametersBuilder().addAugmentation(CParameters1.class,
 312                 new CParameters1Builder().setMultiprotocolCapability(
 313                     new MultiprotocolCapabilityBuilder().setAfi(Ipv4AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class)
 314                         .build()).build()).build()).build();
 315         final List<OptionalCapabilities> capabilities = Lists.newArrayList(mp);
 316         if (addPath) {
 317             final OptionalCapabilities addPathCapa = new OptionalCapabilitiesBuilder().setCParameters(
 318                 new CParametersBuilder().addAugmentation(CParameters1.class,
 319                     new CParameters1Builder().setAddPathCapability(
 320                         new AddPathCapabilityBuilder().setAddressFamilies(Lists.newArrayList(
 321                             new AddressFamiliesBuilder()
 322                                 .setAfi(Ipv4AddressFamily.class)
 323                                 .setSafi(UnicastSubsequentAddressFamily.class)
 324                                 .setSendReceive(SendReceive.Both)
 325                                 .build()))
 326                             .build()).build()).build()).build();
 327             capabilities.add(addPathCapa);
 328         }
 329         return new BgpParametersBuilder().setOptionalCapabilities(capabilities).build();
 330     }
 331
 332     private static Update createSimpleUpdate(final Ipv4Prefix prefix, final PathId pathId, final ClusterIdentifier clusterId,
 333         final long localPreference) {
 334         final AttributesBuilder attBuilder = new AttributesBuilder();
 335         attBuilder.setLocalPref(new LocalPrefBuilder().setPref(localPreference).build());
 336         attBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
 337         attBuilder.setAsPath(new AsPathBuilder().setSegments(Collections.emptyList()).build());
 338         if (clusterId != null) {
 339             attBuilder.setClusterId(new ClusterIdBuilder().setCluster(Collections.singletonList(clusterId)).build());
 340             attBuilder.setOriginatorId(new OriginatorIdBuilder().setOriginator(new Ipv4Address(clusterId)).build());
 341         }
 342         addAttributeAugmentation(attBuilder, prefix, pathId);
 343         return new UpdateBuilder().setAttributes(attBuilder.build()).build();
 344     }
 345
 346     private static Update createSimpleUpdateEbgp(final Ipv4Prefix prefix, final PathId pathId) {
 347         final AttributesBuilder attBuilder = new AttributesBuilder();
 348         attBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
 349         attBuilder.setAsPath(new AsPathBuilder().setSegments(Collections.singletonList(
 350             new SegmentsBuilder().setAsSequence(Collections.singletonList(AS_NUMBER)).build())).build());
 351         addAttributeAugmentation(attBuilder, prefix, pathId);
 352
 353         return new UpdateBuilder().setAttributes(attBuilder.build()).build();
 354     }
 355
 356     private static void addAttributeAugmentation(final AttributesBuilder attBuilder, final Ipv4Prefix prefix, final PathId pathId) {
 357         attBuilder.setUnrecognizedAttributes(Collections.emptyList());
 358         attBuilder.addAugmentation(Attributes1.class,
 359             new Attributes1Builder().setMpReachNlri(
 360                 new MpReachNlriBuilder()
 361                     .setCNextHop(new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(NH1).build()).build())
 362                     .setAfi(Ipv4AddressFamily.class)
 363                     .setSafi(UnicastSubsequentAddressFamily.class)
 364                     .setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(
 365                         new DestinationIpv4CaseBuilder().setDestinationIpv4(
 366                             new DestinationIpv4Builder().setIpv4Prefixes(Collections.singletonList(
 367                                 new Ipv4PrefixesBuilder().setPathId(pathId).setPrefix(new Ipv4Prefix(prefix)).build())).build())
 368                             .build()).build())
 369                     .build()).build());
 370     }
 371
 372     private static Update createSimpleWithdrawalUpdate(final Ipv4Prefix prefix, final long localPreference) {
 373         final AttributesBuilder attBuilder = new AttributesBuilder();
 374         attBuilder.setLocalPref(new LocalPrefBuilder().setPref(localPreference).build());
 375         attBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
 376         attBuilder.setAsPath(new AsPathBuilder().setSegments(Collections.emptyList()).build());
 377         attBuilder.setUnrecognizedAttributes(Collections.emptyList());
 378         return new UpdateBuilder().setWithdrawnRoutes(new WithdrawnRoutesBuilder().setWithdrawnRoutes(Collections.singletonList(prefix)).build()).build();
 379     }
 380 }