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 = InetSocketAddressUtil
  72             .getRandomLoopbackInetSocketAddress(this.port);
  73     PCCSessionListener pccSessionListener;
  74     private PCEPDispatcher pceDispatcher;
  75     private PCEPExtensionProviderContext extensionProvider;
  76     private MessageRegistry messageRegistry;
  77
  78     protected abstract List<PCEPCapability> getCapabilities();
  79
  80     @Before
  81     public void setUp() {
  82         final BasePCEPSessionProposalFactory proposal = new BasePCEPSessionProposalFactory(DEAD_TIMER, KEEP_ALIVE,
  83                 getCapabilities());
  84         final DefaultPCEPSessionNegotiatorFactory nf = new DefaultPCEPSessionNegotiatorFactory(proposal, 0);
  85         this.extensionProvider = ServiceLoaderPCEPExtensionProviderContext.getSingletonInstance();
  86         this.messageRegistry = this.extensionProvider.getMessageHandlerRegistry();
  87         this.pceDispatcher = new PCEPDispatcherImpl(this.messageRegistry, nf, new NioEventLoopGroup(),
  88                 new NioEventLoopGroup());
  89     }
  90
  91     static TestingSessionListener checkSessionListener(final int numMessages, final Channel channel,
  92             final TestingSessionListenerFactory factory,
  93             final String localAddress) throws
  94             Exception {
  95         final TestingSessionListener sessionListener = checkSessionListenerNotNull(factory, localAddress);
  96         assertTrue(sessionListener.isUp());
  97         checkReceivedMessages(sessionListener, numMessages);
  98         assertEquals(numMessages, sessionListener.messages().size());
  99         channel.close().get();
 100         return sessionListener;
 101     }
 102
 103     static TestingSessionListener checkSessionListenerNotNull(final TestingSessionListenerFactory factory,
 104             final String localAddress) {
 105         final Stopwatch sw = Stopwatch.createStarted();
 106         TestingSessionListener listener;
 107         final InetAddress address = InetAddresses.forString(localAddress);
 108         while (sw.elapsed(TimeUnit.SECONDS) <= 60) {
 109             listener = factory.getSessionListenerByRemoteAddress(address);
 110             if (listener == null) {
 111                 Uninterruptibles.sleepUninterruptibly(SLEEP_FOR, TimeUnit.MILLISECONDS);
 112             } else {
 113                 return listener;
 114             }
 115         }
 116         throw new NullPointerException();
 117     }
 118
 119     Channel createServer(final TestingSessionListenerFactory factory,
 120             final InetSocketAddress serverAddress2) throws InterruptedException {
 121         return createServer(factory, serverAddress2, null);
 122     }
 123
 124     Channel createServer(final TestingSessionListenerFactory factory, final InetSocketAddress
 125             serverAddress2, final PCEPPeerProposal peerProposal) {
 126         final StatefulActivator activator07 = new StatefulActivator();
 127         final SyncOptimizationsActivator optimizationsActivator = new SyncOptimizationsActivator();
 128         activator07.start(this.extensionProvider);
 129         optimizationsActivator.start(this.extensionProvider);
 130
 131         final ChannelFuture future = this.pceDispatcher
 132                 .createServer(new DispatcherDependencies(serverAddress2, factory, peerProposal));
 133         waitFutureSuccess(future);
 134         return future.channel();
 135     }
 136
 137     static void checkSynchronizedSession(final int numberOfLsp,
 138             final TestingSessionListener pceSessionListener, final BigInteger expectedeInitialDb) throws Exception {
 139         assertTrue(pceSessionListener.isUp());
 140         //Send Open with LspDBV = 1
 141         final int numberOfSyncMessage = 1;
 142         int numberOfLspExpected = numberOfLsp;
 143         if (!expectedeInitialDb.equals(BigInteger.ZERO)) {
 144             checkEquals(() -> checkSequequenceDBVersionSync(pceSessionListener, expectedeInitialDb));
 145             numberOfLspExpected += numberOfSyncMessage;
 146         }
 147         checkReceivedMessages(pceSessionListener, numberOfLspExpected);
 148         final PCEPSession session = pceSessionListener.getSession();
 149         checkSession(session, DEAD_TIMER, KEEP_ALIVE);
 150
 151         assertTrue(session.getRemoteTlvs().getAugmentation(Tlvs1.class).getStateful()
 152                 .getAugmentation(Stateful1.class).isInitiation());
 153         assertNull(session.getLocalTlvs().getAugmentation(Tlvs3.class)
 154                 .getLspDbVersion().getLspDbVersionValue());
 155     }
 156
 157     static void checkResyncSession(final Optional<Integer> startAtNumberLsp, final int expectedNumberOfLsp,
 158             final int expectedTotalMessages, final BigInteger startingDBVersion, final BigInteger expectedDBVersion,
 159             final TestingSessionListener pceSessionListener) throws Exception {
 160         assertNotNull(pceSessionListener.getSession());
 161         assertTrue(pceSessionListener.isUp());
 162         final List<Message> messages;
 163         checkReceivedMessages(pceSessionListener, expectedTotalMessages);
 164         if (startAtNumberLsp.isPresent()) {
 165             messages = pceSessionListener.messages().subList(startAtNumberLsp.get(),
 166                     startAtNumberLsp.get() + expectedNumberOfLsp);
 167         } else {
 168             messages = pceSessionListener.messages();
 169         }
 170         checkEquals(() -> checkSequequenceDBVersionSync(pceSessionListener, expectedDBVersion));
 171         assertEquals(expectedNumberOfLsp, messages.size());
 172         final PCEPSession session = pceSessionListener.getSession();
 173
 174         checkSession(session, DEAD_TIMER, KEEP_ALIVE);
 175
 176         assertTrue(session.getRemoteTlvs().getAugmentation(Tlvs1.class).getStateful()
 177                 .getAugmentation(Stateful1.class).isInitiation());
 178         final BigInteger pceDBVersion = session.getLocalTlvs().getAugmentation(Tlvs3.class)
 179                 .getLspDbVersion().getLspDbVersionValue();
 180         assertEquals(startingDBVersion, pceDBVersion);
 181     }
 182
 183     static void checkSession(final PCEPSession session, final int expectedDeadTimer,
 184             final int expectedKeepAlive) {
 185         assertNotNull(session);
 186         assertEquals(expectedDeadTimer, session.getPeerPref().getDeadtimer().shortValue());
 187         assertEquals(expectedKeepAlive, session.getPeerPref().getKeepalive().shortValue());
 188         final Stateful1 stateful = session.getRemoteTlvs().getAugmentation(Tlvs1.class)
 189                 .getStateful().getAugmentation(Stateful1.class);
 190         assertTrue(stateful.isInitiation());
 191     }
 192
 193     protected static void checkSequequenceDBVersionSync(final TestingSessionListener pceSessionListener,
 194             final BigInteger expectedDbVersion) {
 195         for (final Message msg : pceSessionListener.messages()) {
 196             final List<Reports> pcrt = ((Pcrpt) msg).getPcrptMessage().getReports();
 197             for (final Reports report : pcrt) {
 198                 final Lsp lsp = report.getLsp();
 199                 if (lsp.getPlspId().getValue() == 0) {
 200                     assertEquals(false, lsp.isSync());
 201                 } else {
 202                     assertEquals(true, lsp.isSync());
 203                 }
 204                 final BigInteger actuaLspDBVersion = lsp.getTlvs().getAugmentation(org.opendaylight.yang.gen
 205                     .v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev171025.Tlvs1.class)
 206                     .getLspDbVersion().getLspDbVersionValue();
 207                 assertEquals(expectedDbVersion, actuaLspDBVersion);
 208             }
 209         }
 210     }
 211
 212     Future<PCEPSession> createPCCSession(final BigInteger dbVersion) {
 213         final PCCDispatcherImpl pccDispatcher = new PCCDispatcherImpl(this.messageRegistry);
 214         final PCEPSessionNegotiatorFactory<PCEPSessionImpl> snf = getSessionNegotiatorFactory();
 215         final PCCTunnelManager tunnelManager = new PCCTunnelManagerImpl(3, this.localAddress.getAddress(),
 216                 0, -1, new HashedWheelTimer(), Optional.absent());
 217
 218         return pccDispatcher.createClient(this.remoteAddress, -1, () -> {
 219             this.pccSessionListener = new PCCSessionListener(1, tunnelManager, false);
 220             return this.pccSessionListener;
 221         }, snf, KeyMapping.getKeyMapping(), this.localAddress, dbVersion);
 222     }
 223
 224     private PCEPSessionNegotiatorFactory<PCEPSessionImpl> getSessionNegotiatorFactory() {
 225         return new DefaultPCEPSessionNegotiatorFactory(new BasePCEPSessionProposalFactory(DEAD_TIMER, KEEP_ALIVE,
 226                 getCapabilities()), 0);
 227     }
 228
 229     TestingSessionListener getListener(final TestingSessionListenerFactory factory) {
 230         return checkSessionListenerNotNull(factory, this.localAddress.getHostString());
 231     }
 232
 233     private class DispatcherDependencies implements PCEPDispatcherDependencies {
 234         final KeyMapping keys = KeyMapping.getKeyMapping();
 235         final SpeakerIdMapping ids = SpeakerIdMapping.getSpeakerIdMap();
 236         private final InetSocketAddress address;
 237         private final TestingSessionListenerFactory listenerFactory;
 238         private final PCEPPeerProposal peerProposal;
 239
 240         DispatcherDependencies(
 241                 final InetSocketAddress address,
 242                 final TestingSessionListenerFactory listenerFactory,
 243                 final PCEPPeerProposal peerProposal) {
 244             this.address = address;
 245             this.listenerFactory = listenerFactory;
 246             this.peerProposal = peerProposal;
 247         }
 248
 249         @Override
 250         public InetSocketAddress getAddress() {
 251             return this.address;
 252         }
 253
 254         @Override
 255         public KeyMapping getKeys() {
 256             return keys;
 257         }
 258
 259         @Override
 260         public SpeakerIdMapping getSpeakerIdMapping() {
 261             return ids;
 262         }
 263
 264         @Override
 265         public PCEPSessionListenerFactory getListenerFactory() {
 266             return this.listenerFactory;
 267         }
 268
 269         @Override
 270         public PCEPPeerProposal getPeerProposal() {
 271             return this.peerProposal;
 272         }
 273     }
 274 }