bgp/rib-impl/src/test/java/org/opendaylight/protocol/bgp/rib/impl/BGPDispatcherImplTest.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
   9 package org.opendaylight.protocol.bgp.rib.impl;
  10
  11 import com.google.common.base.Optional;
  12 import com.google.common.base.Preconditions;
  13 import com.google.common.collect.Lists;
  14 import com.google.common.collect.Sets;
  15 import io.netty.channel.Channel;
  16 import io.netty.channel.ChannelFuture;
  17 import io.netty.channel.nio.NioEventLoopGroup;
  18 import io.netty.util.concurrent.Future;
  19 import io.netty.util.concurrent.GenericFutureListener;
  20 import java.net.InetSocketAddress;
  21 import java.util.List;
  22 import java.util.concurrent.ExecutionException;
  23 import org.junit.After;
  24 import org.junit.Assert;
  25 import org.junit.Before;
  26 import org.junit.Test;
  27 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
  28 import org.opendaylight.protocol.bgp.parser.BgpExtendedMessageUtil;
  29 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
  30 import org.opendaylight.protocol.bgp.parser.spi.BGPExtensionProviderContext;
  31 import org.opendaylight.protocol.bgp.parser.spi.pojo.ServiceLoaderBGPExtensionProviderContext;
  32 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPPeerRegistry;
  33 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionPreferences;
  34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
  35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParameters;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParametersBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilities;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.c.parameters.As4BytesCapabilityBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1Builder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.MultiprotocolCapabilityBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  49
  50 public class BGPDispatcherImplTest {
  51
  52     private static final AsNumber AS_NUMBER = new AsNumber(30L);
  53     private static final int RETRY_TIMER = 10;
  54     private static final BgpTableType IPV_4_TT = new BgpTableTypeImpl(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
  55     private BGPDispatcherImpl serverDispatcher;
  56     private TestClientDispatcher clientDispatcher;
  57     private BGPPeerRegistry registry;
  58     private SimpleSessionListener clientListener;
  59     private SimpleSessionListener serverListener;
  60
  61     @Before
  62     public void setUp() throws BGPDocumentedException {
  63         this.registry = new StrictBGPPeerRegistry();
  64         this.clientListener = new SimpleSessionListener();
  65         final BGPExtensionProviderContext ctx = ServiceLoaderBGPExtensionProviderContext.getSingletonInstance();
  66         this.serverDispatcher = new BGPDispatcherImpl(ctx.getMessageRegistry(), new NioEventLoopGroup(), new NioEventLoopGroup());
  67         configureClient(ctx);
  68     }
  69
  70     private void configureClient(final BGPExtensionProviderContext ctx) {
  71         final InetSocketAddress clientAddress = new InetSocketAddress("127.0.11.0", 1791);
  72         final IpAddress clientPeerIp = new IpAddress(new Ipv4Address(clientAddress.getAddress().getHostAddress()));
  73         this.registry.addPeer(clientPeerIp, this.clientListener, createPreferences(clientAddress));
  74         this.clientDispatcher = new TestClientDispatcher(new NioEventLoopGroup(), new NioEventLoopGroup(), ctx.getMessageRegistry(), clientAddress);
  75     }
  76
  77     private Channel createServer(final InetSocketAddress serverAddress) throws InterruptedException {
  78         this.serverListener = new SimpleSessionListener();
  79         this.registry.addPeer(new IpAddress(new Ipv4Address(serverAddress.getAddress().getHostAddress())), this.serverListener, createPreferences(serverAddress));
  80         final ChannelFuture future = this.serverDispatcher.createServer(this.registry, serverAddress);
  81         future.addListener(new GenericFutureListener<Future<Void>>() {
  82             @Override
  83             public void operationComplete(final Future<Void> future) {
  84                 Preconditions.checkArgument(future.isSuccess(), "Unable to start bgp server on %s", future.cause());
  85             }
  86         });
  87         return future.channel();
  88     }
  89
  90     @After
  91     public void tearDown() throws Exception {
  92         this.serverDispatcher.close();
  93         this.registry.close();
  94     }
  95
  96     @Test
  97     public void testCreateClient() throws InterruptedException, ExecutionException {
  98         final InetSocketAddress serverAddress = new InetSocketAddress("127.0.10.0", 1790);
  99         final Channel serverChannel = createServer(serverAddress);
 100         Thread.sleep(1000);
 101         final BGPSessionImpl session = this.clientDispatcher.createClient(serverAddress, this.registry, 0, Optional.absent()).get();
 102         Thread.sleep(3000);
 103         Assert.assertEquals(BGPSessionImpl.State.UP, this.clientListener.getState());
 104         Assert.assertEquals(BGPSessionImpl.State.UP, this.serverListener.getState());
 105         Assert.assertEquals(AS_NUMBER, session.getAsNumber());
 106         Assert.assertEquals(Sets.newHashSet(IPV_4_TT), session.getAdvertisedTableTypes());
 107         Assert.assertTrue(serverChannel.isWritable());
 108         session.close();
 109
 110         Thread.sleep(3000);
 111         Assert.assertEquals(BGPSessionImpl.State.IDLE, this.clientListener.getState());
 112         Assert.assertEquals(BGPSessionImpl.State.IDLE, this.serverListener.getState());
 113     }
 114
 115     @Test
 116     public void testCreateReconnectingClient() throws Exception {
 117         final InetSocketAddress serverAddress = new InetSocketAddress("127.0.20.0", 1792);
 118         final Channel serverChannel = createServer(serverAddress);
 119         Thread.sleep(1000);
 120         final Future<Void> future = this.clientDispatcher.createReconnectingClient(serverAddress, this.registry, RETRY_TIMER, Optional.absent());
 121         Thread.sleep(3000);
 122         Assert.assertEquals(BGPSessionImpl.State.UP, this.serverListener.getState());
 123         Assert.assertTrue(serverChannel.isWritable());
 124         future.cancel(true);
 125         this.serverListener.releaseConnection();
 126         Thread.sleep(3000);
 127         Assert.assertEquals(BGPSessionImpl.State.IDLE, this.serverListener.getState());
 128     }
 129
 130     private BGPSessionPreferences createPreferences(final InetSocketAddress socketAddress) {
 131         final List<BgpParameters> tlvs = Lists.newArrayList();
 132         final List<OptionalCapabilities> capas = Lists.newArrayList();
 133         capas.add(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(
 134             CParameters1.class, new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
 135                 .setAfi(IPV_4_TT.getAfi()).setSafi(IPV_4_TT.getSafi()).build()).build())
 136             .setAs4BytesCapability(new As4BytesCapabilityBuilder().setAsNumber(new AsNumber(30L)).build())
 137             .build()).build());
 138         capas.add(new OptionalCapabilitiesBuilder().setCParameters(BgpExtendedMessageUtil.EXTENDED_MESSAGE_CAPABILITY).build());
 139         tlvs.add(new BgpParametersBuilder().setOptionalCapabilities(capas).build());
 140         return new BGPSessionPreferences(AS_NUMBER, (short) 4, new Ipv4Address(socketAddress.getAddress().getHostAddress()), AS_NUMBER, tlvs);
 141     }
 142
 143 }