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 static org.opendaylight.protocol.util.CheckUtil.waitFutureSuccess;
  11
  12 import com.google.common.base.Optional;
  13 import com.google.common.base.Preconditions;
  14 import com.google.common.base.Stopwatch;
  15 import com.google.common.collect.Lists;
  16 import com.google.common.util.concurrent.Uninterruptibles;
  17 import io.netty.channel.Channel;
  18 import io.netty.channel.ChannelFuture;
  19 import io.netty.channel.EventLoopGroup;
  20 import io.netty.channel.epoll.Epoll;
  21 import io.netty.channel.nio.NioEventLoopGroup;
  22 import java.net.InetSocketAddress;
  23 import java.util.List;
  24 import java.util.concurrent.TimeUnit;
  25 import org.junit.After;
  26 import org.junit.Assert;
  27 import org.junit.Before;
  28 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
  29 import org.opendaylight.protocol.bgp.parser.BgpExtendedMessageUtil;
  30 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
  31 import org.opendaylight.protocol.bgp.parser.spi.BGPExtensionProviderContext;
  32 import org.opendaylight.protocol.bgp.parser.spi.pojo.ServiceLoaderBGPExtensionProviderContext;
  33 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPPeerRegistry;
  34 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionPreferences;
  35 import org.opendaylight.protocol.bgp.rib.spi.State;
  36 import org.opendaylight.protocol.util.InetSocketAddressUtil;
  37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
  38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParameters;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParametersBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilities;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.c.parameters.As4BytesCapabilityBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1Builder;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.MultiprotocolCapabilityBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.BgpId;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  53 import org.slf4j.LoggerFactory;
  54
  55 public class AbstractBGPDispatcherTest {
  56     protected static final AsNumber AS_NUMBER = new AsNumber(30L);
  57     protected static final int RETRY_TIMER = 1;
  58     protected static final BgpTableType IPV_4_TT = new BgpTableTypeImpl(Ipv4AddressFamily.class,
  59         UnicastSubsequentAddressFamily.class);
  60     private static final short HOLD_TIMER = 30;
  61     protected BGPDispatcherImpl clientDispatcher;
  62     protected BGPPeerRegistry registry;
  63     protected SimpleSessionListener clientListener;
  64     protected BGPDispatcherImpl serverDispatcher;
  65     protected SimpleSessionListener serverListener;
  66     protected InetSocketAddress clientAddress;
  67     private EventLoopGroup boss;
  68     private EventLoopGroup worker;
  69
  70     @Before
  71     public void setUp() throws BGPDocumentedException {
  72         if (!Epoll.isAvailable()) {
  73             this.boss = new NioEventLoopGroup();
  74             this.worker = new NioEventLoopGroup();
  75         }
  76         this.registry = new StrictBGPPeerRegistry();
  77         this.clientListener = new SimpleSessionListener();
  78         this.serverListener = new SimpleSessionListener();
  79         final BGPExtensionProviderContext ctx = ServiceLoaderBGPExtensionProviderContext.getSingletonInstance();
  80         this.serverDispatcher = new BGPDispatcherImpl(ctx.getMessageRegistry(), this.boss, this.worker, this.registry);
  81
  82         this.clientAddress = InetSocketAddressUtil.getRandomLoopbackInetSocketAddress();
  83         final IpAddress clientPeerIp = new IpAddress(new Ipv4Address(this.clientAddress.getAddress().getHostAddress()));
  84         this.registry.addPeer(clientPeerIp, this.clientListener, createPreferences(this.clientAddress));
  85         this.clientDispatcher = new BGPDispatcherImpl(ctx.getMessageRegistry(), this.boss, this.worker, this.registry);
  86     }
  87
  88     @After
  89     public void tearDown() throws Exception {
  90         this.serverDispatcher.close();
  91         this.registry.close();
  92         if (!Epoll.isAvailable()) {
  93             this.worker.shutdownGracefully(0, 0, TimeUnit.SECONDS);
  94             this.boss.shutdownGracefully(0, 0, TimeUnit.SECONDS);
  95         }
  96     }
  97
  98     protected BGPSessionPreferences createPreferences(final InetSocketAddress socketAddress) {
  99         final List<BgpParameters> tlvs = Lists.newArrayList();
 100         final List<OptionalCapabilities> capas = Lists.newArrayList();
 101         capas.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(
 102             CParameters1.class, new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
 103                 .setAfi(IPV_4_TT.getAfi()).setSafi(IPV_4_TT.getSafi()).build()).build())
 104             .setAs4BytesCapability(new As4BytesCapabilityBuilder().setAsNumber(new AsNumber(30L)).build())
 105             .build()).build());
 106         capas.add(new OptionalCapabilitiesBuilder().setCParameters(BgpExtendedMessageUtil.EXTENDED_MESSAGE_CAPABILITY).build());
 107         tlvs.add(new BgpParametersBuilder().setOptionalCapabilities(capas).build());
 108         final BgpId bgpId = new BgpId(new Ipv4Address(socketAddress.getAddress().getHostAddress()));
 109         return new BGPSessionPreferences(AS_NUMBER, HOLD_TIMER, bgpId, AS_NUMBER, tlvs, Optional.absent());
 110     }
 111
 112     protected static void checkIdleState(final SimpleSessionListener listener) {
 113         final Stopwatch sw = Stopwatch.createStarted();
 114         while (sw.elapsed(TimeUnit.SECONDS) <= 10) {
 115             if (State.IDLE != listener.getState()) {
 116                 Uninterruptibles.sleepUninterruptibly(50, TimeUnit.MILLISECONDS);
 117             } else {
 118                 return;
 119             }
 120         }
 121         Assert.fail();
 122     }
 123
 124     protected Channel createServer(final InetSocketAddress serverAddress) throws InterruptedException {
 125         this.registry.addPeer(new IpAddress(new Ipv4Address(serverAddress.getAddress().getHostAddress())),
 126             this.serverListener, createPreferences(serverAddress));
 127         LoggerFactory.getLogger(AbstractBGPDispatcherTest.class).info("createServer");
 128         final ChannelFuture future = this.serverDispatcher.createServer(serverAddress);
 129         future.addListener(future1 -> Preconditions.checkArgument(future1.isSuccess(),
 130             "Unable to start bgp server on %s", future1.cause()));
 131         waitFutureSuccess(future);
 132         return future.channel();
 133     }
 134 }