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

   1 /*
   2  * Copyright (c) 2014 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 com.google.common.base.Optional;
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.base.Stopwatch;
  13 import com.google.common.collect.Lists;
  14 import com.google.common.util.concurrent.Uninterruptibles;
  15 import io.netty.channel.Channel;
  16 import io.netty.channel.ChannelFuture;
  17 import io.netty.channel.EventLoopGroup;
  18 import io.netty.channel.epoll.Epoll;
  19 import io.netty.channel.epoll.EpollEventLoopGroup;
  20 import io.netty.channel.nio.NioEventLoopGroup;
  21 import io.netty.util.concurrent.Future;
  22 import io.netty.util.concurrent.GenericFutureListener;
  23 import java.net.InetSocketAddress;
  24 import java.util.List;
  25 import java.util.concurrent.CountDownLatch;
  26 import java.util.concurrent.TimeUnit;
  27 import org.junit.After;
  28 import org.junit.Assert;
  29 import org.junit.Before;
  30 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
  31 import org.opendaylight.protocol.bgp.parser.BgpExtendedMessageUtil;
  32 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
  33 import org.opendaylight.protocol.bgp.parser.spi.BGPExtensionProviderContext;
  34 import org.opendaylight.protocol.bgp.parser.spi.pojo.ServiceLoaderBGPExtensionProviderContext;
  35 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPPeerRegistry;
  36 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionPreferences;
  37 import org.opendaylight.protocol.util.InetSocketAddressUtil;
  38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
  39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParameters;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParametersBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilities;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.c.parameters.As4BytesCapabilityBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1Builder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.MultiprotocolCapabilityBuilder;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.BgpId;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  54 import org.slf4j.LoggerFactory;
  55
  56 public class AbstractBGPDispatcherTest {
  57     protected static final AsNumber AS_NUMBER = new AsNumber(30L);
  58     protected static final int RETRY_TIMER = 1;
  59     protected static final BgpTableType IPV_4_TT = new BgpTableTypeImpl(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
  60     private static final short HOLD_TIMER = 30;
  61     protected TestClientDispatcher clientDispatcher;
  62     protected BGPPeerRegistry registry;
  63     protected SimpleSessionListener clientListener;
  64     protected BGPDispatcherImpl serverDispatcher;
  65     protected SimpleSessionListener serverListener;
  66     private EventLoopGroup boss;
  67     private EventLoopGroup worker;
  68
  69     @Before
  70     public void setUp() throws BGPDocumentedException {
  71         if (Epoll.isAvailable()) {
  72             this.boss = new EpollEventLoopGroup();
  73             this.worker = new EpollEventLoopGroup();
  74         } else {
  75             this.boss = new NioEventLoopGroup();
  76             this.worker = new NioEventLoopGroup();
  77         }
  78         this.registry = new StrictBGPPeerRegistry();
  79         this.clientListener = new SimpleSessionListener();
  80         this.serverListener = new SimpleSessionListener();
  81         final BGPExtensionProviderContext ctx = ServiceLoaderBGPExtensionProviderContext.getSingletonInstance();
  82         this.serverDispatcher = new BGPDispatcherImpl(ctx.getMessageRegistry(), this.boss, this.worker);
  83         configureClient(ctx);
  84     }
  85
  86     @After
  87     public void tearDown() throws Exception {
  88         this.serverDispatcher.close();
  89         this.registry.close();
  90         this.worker.shutdownGracefully().awaitUninterruptibly();
  91         this.boss.shutdownGracefully().awaitUninterruptibly();
  92     }
  93
  94
  95     private void configureClient(final BGPExtensionProviderContext ctx) {
  96         final InetSocketAddress clientAddress = InetSocketAddressUtil.getRandomLoopbackInetSocketAddress();
  97         final IpAddress clientPeerIp = new IpAddress(new Ipv4Address(clientAddress.getAddress().getHostAddress()));
  98         this.registry.addPeer(clientPeerIp, this.clientListener, createPreferences(clientAddress));
  99         this.clientDispatcher = new TestClientDispatcher(this.boss, this.worker, ctx.getMessageRegistry(), clientAddress);
 100     }
 101
 102     protected BGPSessionPreferences createPreferences(final InetSocketAddress socketAddress) {
 103         final List<BgpParameters> tlvs = Lists.newArrayList();
 104         final List<OptionalCapabilities> capas = Lists.newArrayList();
 105         capas.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(
 106             CParameters1.class, new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
 107                 .setAfi(IPV_4_TT.getAfi()).setSafi(IPV_4_TT.getSafi()).build()).build())
 108             .setAs4BytesCapability(new As4BytesCapabilityBuilder().setAsNumber(new AsNumber(30L)).build())
 109             .build()).build());
 110         capas.add(new OptionalCapabilitiesBuilder().setCParameters(BgpExtendedMessageUtil.EXTENDED_MESSAGE_CAPABILITY).build());
 111         tlvs.add(new BgpParametersBuilder().setOptionalCapabilities(capas).build());
 112         final BgpId bgpId = new BgpId(new Ipv4Address(socketAddress.getAddress().getHostAddress()));
 113         return new BGPSessionPreferences(AS_NUMBER, HOLD_TIMER, bgpId, AS_NUMBER, tlvs, Optional.absent());
 114     }
 115
 116     protected static <T extends Future> void waitFutureSuccess(final T future) {
 117         final CountDownLatch latch = new CountDownLatch(1);
 118         future.addListener(future1 -> latch.countDown());
 119         Uninterruptibles.awaitUninterruptibly(latch, 10, TimeUnit.SECONDS);
 120     }
 121
 122     public static void checkIdleState(final SimpleSessionListener listener) {
 123         Stopwatch sw = Stopwatch.createStarted();
 124         while (sw.elapsed(TimeUnit.SECONDS) <= 10) {
 125             if (BGPSessionImpl.State.IDLE != listener.getState()) {
 126                 Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
 127             } else {
 128                 return;
 129             }
 130         }
 131         Assert.fail();
 132     }
 133
 134     protected Channel createServer(final InetSocketAddress serverAddress) throws InterruptedException {
 135         this.registry.addPeer(new IpAddress(new Ipv4Address(serverAddress.getAddress().getHostAddress())), this.serverListener, createPreferences(serverAddress));
 136         LoggerFactory.getLogger(AbstractBGPDispatcherTest.class).info("createServer");
 137         final ChannelFuture future = this.serverDispatcher.createServer(this.registry, serverAddress);
 138         future.addListener(new GenericFutureListener<Future<Void>>() {
 139             @Override
 140             public void operationComplete(final Future<Void> future) {
 141                 Preconditions.checkArgument(future.isSuccess(), "Unable to start bgp server on %s", future.cause());
 142             }
 143         });
 144         waitFutureSuccess(future);
 145         return future.channel();
 146     }
 147 }