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.pcep.pcc.mock.WaitForFutureSucces.waitFutureSuccess;
  16
  17 import com.google.common.base.Optional;
  18 import com.google.common.base.Stopwatch;
  19 import com.google.common.net.InetAddresses;
  20 import com.google.common.util.concurrent.Uninterruptibles;
  21 import io.netty.channel.Channel;
  22 import io.netty.channel.ChannelFuture;
  23 import io.netty.channel.nio.NioEventLoopGroup;
  24 import io.netty.util.HashedWheelTimer;
  25 import io.netty.util.concurrent.Future;
  26 import java.math.BigInteger;
  27 import java.net.InetSocketAddress;
  28 import java.util.List;
  29 import java.util.concurrent.TimeUnit;
  30 import org.junit.Assert;
  31 import org.junit.Before;
  32 import org.opendaylight.protocol.pcep.PCEPCapability;
  33 import org.opendaylight.protocol.pcep.PCEPDispatcher;
  34 import org.opendaylight.protocol.pcep.PCEPPeerProposal;
  35 import org.opendaylight.protocol.pcep.PCEPSession;
  36 import org.opendaylight.protocol.pcep.PCEPSessionListener;
  37 import org.opendaylight.protocol.pcep.PCEPSessionListenerFactory;
  38 import org.opendaylight.protocol.pcep.PCEPSessionNegotiatorFactory;
  39 import org.opendaylight.protocol.pcep.ietf.stateful07.StatefulActivator;
  40 import org.opendaylight.protocol.pcep.impl.BasePCEPSessionProposalFactory;
  41 import org.opendaylight.protocol.pcep.impl.DefaultPCEPSessionNegotiatorFactory;
  42 import org.opendaylight.protocol.pcep.impl.PCEPDispatcherImpl;
  43 import org.opendaylight.protocol.pcep.impl.PCEPSessionImpl;
  44 import org.opendaylight.protocol.pcep.pcc.mock.api.PCCTunnelManager;
  45 import org.opendaylight.protocol.pcep.pcc.mock.protocol.PCCDispatcherImpl;
  46 import org.opendaylight.protocol.pcep.pcc.mock.protocol.PCCSessionListener;
  47 import org.opendaylight.protocol.pcep.spi.PCEPExtensionProviderContext;
  48 import org.opendaylight.protocol.pcep.spi.pojo.ServiceLoaderPCEPExtensionProviderContext;
  49 import org.opendaylight.protocol.pcep.sync.optimizations.SyncOptimizationsActivator;
  50 import org.opendaylight.protocol.util.InetSocketAddressUtil;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.pcep.sync.optimizations.rev150714.Tlvs3;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.crabbe.initiated.rev131126.Stateful1;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Pcrpt;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Tlvs1;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.object.Lsp;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcrpt.message.pcrpt.message.Reports;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
  58
  59 public abstract class PCCMockCommon {
  60     private final static short KEEP_ALIVE = 40;
  61     private final static short DEAD_TIMER = 120;
  62     protected final int port = InetSocketAddressUtil.getRandomPort();
  63     protected final InetSocketAddress remoteAddress = InetSocketAddressUtil.getRandomLoopbackInetSocketAddress(port);
  64     protected final InetSocketAddress localAddress = new InetSocketAddress("127.0.0.1", port);
  65     protected PCCSessionListener pccSessionListener;
  66     private PCEPDispatcher pceDispatcher;
  67     private PCCDispatcherImpl pccDispatcher;
  68
  69     protected abstract List<PCEPCapability> getCapabilities();
  70
  71     @Before
  72     public void setUp() {
  73         final BasePCEPSessionProposalFactory proposal = new BasePCEPSessionProposalFactory(DEAD_TIMER, KEEP_ALIVE, getCapabilities());
  74         final DefaultPCEPSessionNegotiatorFactory nf = new DefaultPCEPSessionNegotiatorFactory(proposal, 0);
  75         this.pceDispatcher = new PCEPDispatcherImpl(ServiceLoaderPCEPExtensionProviderContext.getSingletonInstance().getMessageHandlerRegistry(),
  76             nf, new NioEventLoopGroup(), new NioEventLoopGroup());
  77     }
  78
  79     protected static TestingSessionListener checkSessionListener(final int numMessages, final Channel channel, final TestingSessionListenerFactory factory,
  80         final String localAddress) throws
  81         Exception {
  82         final TestingSessionListener sessionListener = checkSessionListenerNotNull(factory, localAddress);
  83         assertTrue(sessionListener.isUp());
  84         checkNumberOfMessages(numMessages, sessionListener);
  85         assertEquals(numMessages, sessionListener.messages().size());
  86         channel.close().get();
  87         return sessionListener;
  88     }
  89
  90     private static void checkNumberOfMessages(final int expectedNMessages, final TestingSessionListener listener) throws Exception {
  91         Stopwatch sw = Stopwatch.createStarted();
  92         while (sw.elapsed(TimeUnit.SECONDS) <= 10) {
  93             if (expectedNMessages != listener.messages().size()) {
  94                 Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
  95             } else {
  96                 return;
  97             }
  98         }
  99         Assert.assertEquals(expectedNMessages, listener.messages().size());
 100     }
 101
 102     static TestingSessionListener checkSessionListenerNotNull(final TestingSessionListenerFactory factory, final String localAddress) {
 103         Stopwatch sw = Stopwatch.createStarted();
 104         TestingSessionListener listener = null;
 105         while (sw.elapsed(TimeUnit.SECONDS) <= 1000) {
 106             listener = factory.getSessionListenerByRemoteAddress(InetAddresses.forString(localAddress));
 107             if (listener == null) {
 108                 Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
 109             } else {
 110                 return listener;
 111             }
 112         }
 113         throw new NullPointerException();
 114     }
 115
 116     protected Channel createServer(final TestingSessionListenerFactory factory, final InetSocketAddress serverAddress2) throws InterruptedException {
 117         return createServer(factory, serverAddress2, null);
 118     }
 119
 120     protected Channel createServer(final TestingSessionListenerFactory factory, final InetSocketAddress
 121         serverAddress2, final PCEPPeerProposal peerProposal) throws InterruptedException {
 122         final PCEPExtensionProviderContext ctx = ServiceLoaderPCEPExtensionProviderContext.getSingletonInstance();
 123         final StatefulActivator activator07 = new StatefulActivator();
 124         final SyncOptimizationsActivator optimizationsActivator = new SyncOptimizationsActivator();
 125         activator07.start(ctx);
 126         optimizationsActivator.start(ctx);
 127         final ChannelFuture future = this.pceDispatcher.createServer(serverAddress2, factory, peerProposal);
 128         waitFutureSuccess(future);
 129         return future.channel();
 130     }
 131
 132     protected static void checkSynchronizedSession(final int numberOfLsp, final TestingSessionListener pceSessionListener, final BigInteger expectedeInitialDb) throws InterruptedException {
 133         assertTrue(pceSessionListener.isUp());
 134         Thread.sleep(1000);
 135         //Send Open with LspDBV = 1
 136         final List<Message> messages = pceSessionListener.messages();
 137         int numberOfSyncMessage = 1;
 138         int numberOfLspExpected = numberOfLsp;
 139         if (!expectedeInitialDb.equals(BigInteger.ZERO)) {
 140             checkSequequenceDBVersionSync(messages, expectedeInitialDb);
 141             numberOfLspExpected += numberOfSyncMessage;
 142         }
 143         assertEquals(numberOfLspExpected, messages.size());
 144         final PCEPSession session = pceSessionListener.getSession();
 145         checkSession(session, DEAD_TIMER, KEEP_ALIVE);
 146
 147         assertTrue(session.getRemoteTlvs().getAugmentation(Tlvs1.class).getStateful().getAugmentation(Stateful1.class).isInitiation());
 148         assertNull(session.localSessionCharacteristics().getAugmentation(Tlvs3.class).getLspDbVersion().getLspDbVersionValue());
 149     }
 150
 151     protected static void checkResyncSession(final Optional<Integer> startAtNumberLsp, final int expectedNumberOfLsp, final BigInteger startingDBVersion,
 152         final BigInteger expectedDBVersion, final TestingSessionListener pceSessionListener) throws InterruptedException {
 153         assertNotNull(pceSessionListener.getSession());
 154         assertTrue(pceSessionListener.isUp());
 155         Thread.sleep(50);
 156         List<Message> messages;
 157         if (startAtNumberLsp.isPresent()) {
 158             messages = pceSessionListener.messages().subList(startAtNumberLsp.get(), startAtNumberLsp.get() + expectedNumberOfLsp);
 159         } else {
 160             messages = pceSessionListener.messages();
 161         }
 162         checkSequequenceDBVersionSync(messages, expectedDBVersion);
 163         assertEquals(expectedNumberOfLsp, messages.size());
 164         final PCEPSession session = pceSessionListener.getSession();
 165
 166         checkSession(session, DEAD_TIMER, KEEP_ALIVE);
 167
 168         assertTrue(session.getRemoteTlvs().getAugmentation(Tlvs1.class).getStateful().getAugmentation(Stateful1.class).isInitiation());
 169         final BigInteger pceDBVersion = session.localSessionCharacteristics().getAugmentation(Tlvs3.class).getLspDbVersion().getLspDbVersionValue();
 170         assertEquals(startingDBVersion, pceDBVersion);
 171     }
 172
 173     protected static void checkSession(final PCEPSession session, final int expectedDeadTimer, final int expectedKeepAlive) {
 174         assertNotNull(session);
 175         assertEquals(expectedDeadTimer, session.getPeerPref().getDeadtimer().shortValue());
 176         assertEquals(expectedKeepAlive, session.getPeerPref().getKeepalive().shortValue());
 177         final Stateful1 stateful = session.getRemoteTlvs().getAugmentation(Tlvs1.class).getStateful().getAugmentation(Stateful1.class);
 178         assertTrue(stateful.isInitiation());
 179     }
 180
 181     protected static void checkSequequenceDBVersionSync(final List<Message> messages, final BigInteger expectedDbVersion) {
 182         for (Message msg : messages) {
 183             final List<Reports> pcrt = ((Pcrpt) msg).getPcrptMessage().getReports();
 184             for (Reports report : pcrt) {
 185                 final Lsp lsp = report.getLsp();
 186                 if (lsp.getPlspId().getValue() == 0) {
 187                     assertEquals(false, lsp.isSync().booleanValue());
 188                 } else {
 189                     assertEquals(true, lsp.isSync().booleanValue());
 190                 }
 191                 final BigInteger actuaLspDBVersion = lsp.getTlvs().getAugmentation(org.opendaylight.yang.gen.v1.urn.opendaylight.params
 192                     .xml.ns.yang.controller.pcep.sync.optimizations.rev150714.Tlvs1.class).getLspDbVersion().getLspDbVersionValue();
 193                 assertEquals(expectedDbVersion, actuaLspDBVersion);
 194             }
 195         }
 196     }
 197
 198     protected Future<PCEPSession> createPCCSession(BigInteger DBVersion) {
 199         this.pccDispatcher = new PCCDispatcherImpl(ServiceLoaderPCEPExtensionProviderContext.getSingletonInstance().getMessageHandlerRegistry());
 200         final PCEPSessionNegotiatorFactory<PCEPSessionImpl> snf = getSessionNegotiatorFactory();
 201         final PCCTunnelManager tunnelManager = new PCCTunnelManagerImpl(3, this.localAddress.getAddress(), 0, -1, new HashedWheelTimer(),
 202             Optional.<TimerHandler>absent());
 203
 204         return pccDispatcher.createClient(this.remoteAddress, -1,
 205             new PCEPSessionListenerFactory() {
 206                 @Override
 207                 public PCEPSessionListener getSessionListener() {
 208                     pccSessionListener = new PCCSessionListener(1, tunnelManager, false);
 209                     return pccSessionListener;
 210                 }
 211             }, snf, null, this.localAddress, DBVersion);
 212     }
 213
 214     private PCEPSessionNegotiatorFactory<PCEPSessionImpl> getSessionNegotiatorFactory() {
 215         return new DefaultPCEPSessionNegotiatorFactory(new BasePCEPSessionProposalFactory(DEAD_TIMER, KEEP_ALIVE, getCapabilities()), 0);
 216     }
 217
 218     protected TestingSessionListener getListener(final TestingSessionListenerFactory factory) {
 219         return checkSessionListenerNotNull(factory, this.localAddress.getHostString());
 220     }
 221 }