pcep/pcc-mock/src/test/java/org/opendaylight/protocol/pcep/pcc/mock/PCCMockCommon.java

   1 /*
   2  * Copyright (c) 2015 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
   9 package org.opendaylight.protocol.pcep.pcc.mock;
  10
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.assertNotNull;
  13 import static org.junit.Assert.assertNull;
  14 import static org.junit.Assert.assertTrue;
  15 import static org.opendaylight.protocol.util.CheckUtil.checkEquals;
  16 import static org.opendaylight.protocol.util.CheckUtil.checkReceivedMessages;
  17 import static org.opendaylight.protocol.util.CheckUtil.waitFutureSuccess;
  18
  19 import com.google.common.base.Optional;
  20 import com.google.common.base.Stopwatch;
  21 import com.google.common.net.InetAddresses;
  22 import com.google.common.util.concurrent.Uninterruptibles;
  23 import io.netty.channel.Channel;
  24 import io.netty.channel.ChannelFuture;
  25 import io.netty.channel.nio.NioEventLoopGroup;
  26 import io.netty.util.HashedWheelTimer;
  27 import io.netty.util.concurrent.Future;
  28 import java.math.BigInteger;
  29 import java.net.InetAddress;
  30 import java.net.InetSocketAddress;
  31 import java.util.List;
  32 import java.util.concurrent.TimeUnit;
  33 import org.junit.Before;
  34 import org.opendaylight.protocol.concepts.KeyMapping;
  35 import org.opendaylight.protocol.pcep.PCEPCapability;
  36 import org.opendaylight.protocol.pcep.PCEPDispatcher;
  37 import org.opendaylight.protocol.pcep.PCEPDispatcherDependencies;
  38 import org.opendaylight.protocol.pcep.PCEPPeerProposal;
  39 import org.opendaylight.protocol.pcep.PCEPSession;
  40 import org.opendaylight.protocol.pcep.PCEPSessionListenerFactory;
  41 import org.opendaylight.protocol.pcep.PCEPSessionNegotiatorFactory;
  42 import org.opendaylight.protocol.pcep.SpeakerIdMapping;
  43 import org.opendaylight.protocol.pcep.ietf.stateful07.StatefulActivator;
  44 import org.opendaylight.protocol.pcep.impl.BasePCEPSessionProposalFactory;
  45 import org.opendaylight.protocol.pcep.impl.DefaultPCEPSessionNegotiatorFactory;
  46 import org.opendaylight.protocol.pcep.impl.PCEPDispatcherImpl;
  47 import org.opendaylight.protocol.pcep.impl.PCEPSessionImpl;
  48 import org.opendaylight.protocol.pcep.pcc.mock.api.PCCTunnelManager;
  49 import org.opendaylight.protocol.pcep.pcc.mock.protocol.PCCDispatcherImpl;
  50 import org.opendaylight.protocol.pcep.pcc.mock.protocol.PCCSessionListener;
  51 import org.opendaylight.protocol.pcep.spi.MessageRegistry;
  52 import org.opendaylight.protocol.pcep.spi.PCEPExtensionProviderContext;
  53 import org.opendaylight.protocol.pcep.spi.pojo.ServiceLoaderPCEPExtensionProviderContext;
  54 import org.opendaylight.protocol.pcep.sync.optimizations.SyncOptimizationsActivator;
  55 import org.opendaylight.protocol.util.InetSocketAddressUtil;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev171025.Tlvs3;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.crabbe.initiated.rev171025.Stateful1;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.Pcrpt;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.Tlvs1;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.lsp.object.Lsp;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.pcrpt.message.pcrpt.message.Reports;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
  63
  64 public abstract class PCCMockCommon {
  65     private static final short KEEP_ALIVE = 30;
  66     private static final short DEAD_TIMER = 120;
  67     private static final long SLEEP_FOR = 50;
  68     private final int port = InetSocketAddressUtil.getRandomPort();
  69     final InetSocketAddress remoteAddress = InetSocketAddressUtil
  70             .getRandomLoopbackInetSocketAddress(this.port);
  71     final InetSocketAddress localAddress = new InetSocketAddress("127.0.0.1", this.port);
  72     PCCSessionListener pccSessionListener;
  73     private PCEPDispatcher pceDispatcher;
  74     private PCEPExtensionProviderContext extensionProvider;
  75     private MessageRegistry messageRegistry;
  76
  77     protected abstract List<PCEPCapability> getCapabilities();
  78
  79     @Before
  80     public void setUp() {
  81         final BasePCEPSessionProposalFactory proposal = new BasePCEPSessionProposalFactory(DEAD_TIMER, KEEP_ALIVE,
  82                 getCapabilities());
  83         final DefaultPCEPSessionNegotiatorFactory nf = new DefaultPCEPSessionNegotiatorFactory(proposal, 0);
  84         this.extensionProvider = ServiceLoaderPCEPExtensionProviderContext.getSingletonInstance();
  85         this.messageRegistry = this.extensionProvider.getMessageHandlerRegistry();
  86         this.pceDispatcher = new PCEPDispatcherImpl(this.messageRegistry, nf, new NioEventLoopGroup(),
  87                 new NioEventLoopGroup());
  88     }
  89
  90     static TestingSessionListener checkSessionListener(final int numMessages, final Channel channel,
  91             final TestingSessionListenerFactory factory,
  92             final String localAddress) throws
  93             Exception {
  94         final TestingSessionListener sessionListener = checkSessionListenerNotNull(factory, localAddress);
  95         assertTrue(sessionListener.isUp());
  96         checkReceivedMessages(sessionListener, numMessages);
  97         assertEquals(numMessages, sessionListener.messages().size());
  98         channel.close().get();
  99         return sessionListener;
 100     }
 101
 102     static TestingSessionListener checkSessionListenerNotNull(final TestingSessionListenerFactory factory,
 103             final String localAddress) {
 104         final Stopwatch sw = Stopwatch.createStarted();
 105         TestingSessionListener listener;
 106         final InetAddress address = InetAddresses.forString(localAddress);
 107         while (sw.elapsed(TimeUnit.SECONDS) <= 60) {
 108             listener = factory.getSessionListenerByRemoteAddress(address);
 109             if (listener == null) {
 110                 Uninterruptibles.sleepUninterruptibly(SLEEP_FOR, TimeUnit.MILLISECONDS);
 111             } else {
 112                 return listener;
 113             }
 114         }
 115         throw new NullPointerException();
 116     }
 117
 118     Channel createServer(final TestingSessionListenerFactory factory,
 119             final InetSocketAddress serverAddress2) throws InterruptedException {
 120         return createServer(factory, serverAddress2, null);
 121     }
 122
 123     Channel createServer(final TestingSessionListenerFactory factory, final InetSocketAddress
 124             serverAddress2, final PCEPPeerProposal peerProposal) {
 125         final StatefulActivator activator07 = new StatefulActivator();
 126         final SyncOptimizationsActivator optimizationsActivator = new SyncOptimizationsActivator();
 127         activator07.start(this.extensionProvider);
 128         optimizationsActivator.start(this.extensionProvider);
 129
 130         final ChannelFuture future = this.pceDispatcher
 131                 .createServer(new DispatcherDependencies(serverAddress2, factory, peerProposal));
 132         waitFutureSuccess(future);
 133         return future.channel();
 134     }
 135
 136     static void checkSynchronizedSession(final int numberOfLsp,
 137             final TestingSessionListener pceSessionListener, final BigInteger expectedeInitialDb) throws Exception {
 138         assertTrue(pceSessionListener.isUp());
 139         //Send Open with LspDBV = 1
 140         final int numberOfSyncMessage = 1;
 141         int numberOfLspExpected = numberOfLsp;
 142         if (!expectedeInitialDb.equals(BigInteger.ZERO)) {
 143             checkEquals(() -> checkSequequenceDBVersionSync(pceSessionListener, expectedeInitialDb));
 144             numberOfLspExpected += numberOfSyncMessage;
 145         }
 146         checkReceivedMessages(pceSessionListener, numberOfLspExpected);
 147         final PCEPSession session = pceSessionListener.getSession();
 148         checkSession(session, DEAD_TIMER, KEEP_ALIVE);
 149
 150         assertTrue(session.getRemoteTlvs().getAugmentation(Tlvs1.class).getStateful()
 151                 .getAugmentation(Stateful1.class).isInitiation());
 152         assertNull(session.localSessionCharacteristics().getAugmentation(Tlvs3.class)
 153                 .getLspDbVersion().getLspDbVersionValue());
 154     }
 155
 156     static void checkResyncSession(final Optional<Integer> startAtNumberLsp, final int expectedNumberOfLsp,
 157             final int expectedTotalMessages, final BigInteger startingDBVersion, final BigInteger expectedDBVersion,
 158             final TestingSessionListener pceSessionListener) throws Exception {
 159         assertNotNull(pceSessionListener.getSession());
 160         assertTrue(pceSessionListener.isUp());
 161         final List<Message> messages;
 162         checkReceivedMessages(pceSessionListener, expectedTotalMessages);
 163         if (startAtNumberLsp.isPresent()) {
 164             messages = pceSessionListener.messages().subList(startAtNumberLsp.get(),
 165                     startAtNumberLsp.get() + expectedNumberOfLsp);
 166         } else {
 167             messages = pceSessionListener.messages();
 168         }
 169         checkEquals(() -> checkSequequenceDBVersionSync(pceSessionListener, expectedDBVersion));
 170         assertEquals(expectedNumberOfLsp, messages.size());
 171         final PCEPSession session = pceSessionListener.getSession();
 172
 173         checkSession(session, DEAD_TIMER, KEEP_ALIVE);
 174
 175         assertTrue(session.getRemoteTlvs().getAugmentation(Tlvs1.class).getStateful()
 176                 .getAugmentation(Stateful1.class).isInitiation());
 177         final BigInteger pceDBVersion = session.localSessionCharacteristics().getAugmentation(Tlvs3.class)
 178                 .getLspDbVersion().getLspDbVersionValue();
 179         assertEquals(startingDBVersion, pceDBVersion);
 180     }
 181
 182     static void checkSession(final PCEPSession session, final int expectedDeadTimer,
 183             final int expectedKeepAlive) {
 184         assertNotNull(session);
 185         assertEquals(expectedDeadTimer, session.getPeerPref().getDeadtimer().shortValue());
 186         assertEquals(expectedKeepAlive, session.getPeerPref().getKeepalive().shortValue());
 187         final Stateful1 stateful = session.getRemoteTlvs().getAugmentation(Tlvs1.class)
 188                 .getStateful().getAugmentation(Stateful1.class);
 189         assertTrue(stateful.isInitiation());
 190     }
 191
 192     protected static void checkSequequenceDBVersionSync(final TestingSessionListener pceSessionListener,
 193             final BigInteger expectedDbVersion) {
 194         for (final Message msg : pceSessionListener.messages()) {
 195             final List<Reports> pcrt = ((Pcrpt) msg).getPcrptMessage().getReports();
 196             for (final Reports report : pcrt) {
 197                 final Lsp lsp = report.getLsp();
 198                 if (lsp.getPlspId().getValue() == 0) {
 199                     assertEquals(false, lsp.isSync());
 200                 } else {
 201                     assertEquals(true, lsp.isSync());
 202                 }
 203                 final BigInteger actuaLspDBVersion = lsp.getTlvs().getAugmentation(org.opendaylight.yang.gen
 204                     .v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev171025.Tlvs1.class)
 205                     .getLspDbVersion().getLspDbVersionValue();
 206                 assertEquals(expectedDbVersion, actuaLspDBVersion);
 207             }
 208         }
 209     }
 210
 211     Future<PCEPSession> createPCCSession(final BigInteger dbVersion) {
 212         final PCCDispatcherImpl pccDispatcher = new PCCDispatcherImpl(this.messageRegistry);
 213         final PCEPSessionNegotiatorFactory<PCEPSessionImpl> snf = getSessionNegotiatorFactory();
 214         final PCCTunnelManager tunnelManager = new PCCTunnelManagerImpl(3, this.localAddress.getAddress(),
 215                 0, -1, new HashedWheelTimer(), Optional.absent());
 216
 217         return pccDispatcher.createClient(this.remoteAddress, -1, () -> {
 218             this.pccSessionListener = new PCCSessionListener(1, tunnelManager, false);
 219             return this.pccSessionListener;
 220         }, snf, KeyMapping.getKeyMapping(), this.localAddress, dbVersion);
 221     }
 222
 223     private PCEPSessionNegotiatorFactory<PCEPSessionImpl> getSessionNegotiatorFactory() {
 224         return new DefaultPCEPSessionNegotiatorFactory(new BasePCEPSessionProposalFactory(DEAD_TIMER, KEEP_ALIVE,
 225                 getCapabilities()), 0);
 226     }
 227
 228     TestingSessionListener getListener(final TestingSessionListenerFactory factory) {
 229         return checkSessionListenerNotNull(factory, this.localAddress.getHostString());
 230     }
 231
 232     private class DispatcherDependencies implements PCEPDispatcherDependencies {
 233         final KeyMapping keys = KeyMapping.getKeyMapping();
 234         final SpeakerIdMapping ids = SpeakerIdMapping.getSpeakerIdMap();
 235         private final InetSocketAddress address;
 236         private final TestingSessionListenerFactory listenerFactory;
 237         private final PCEPPeerProposal peerProposal;
 238
 239         DispatcherDependencies(
 240                 final InetSocketAddress address,
 241                 final TestingSessionListenerFactory listenerFactory,
 242                 final PCEPPeerProposal peerProposal) {
 243             this.address = address;
 244             this.listenerFactory = listenerFactory;
 245             this.peerProposal = peerProposal;
 246         }
 247
 248         @Override
 249         public InetSocketAddress getAddress() {
 250             return this.address;
 251         }
 252
 253         @Override
 254         public KeyMapping getKeys() {
 255             return keys;
 256         }
 257
 258         @Override
 259         public SpeakerIdMapping getSpeakerIdMapping() {
 260             return ids;
 261         }
 262
 263         @Override
 264         public PCEPSessionListenerFactory getListenerFactory() {
 265             return this.listenerFactory;
 266         }
 267
 268         @Override
 269         public PCEPPeerProposal getPeerProposal() {
 270             return this.peerProposal;
 271         }
 272     }
 273 }