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.collect.Lists;
  13 import com.google.common.collect.Sets;
  14 import io.netty.channel.Channel;
  15 import io.netty.channel.ChannelFuture;
  16 import io.netty.channel.EventLoopGroup;
  17 import io.netty.channel.nio.NioEventLoopGroup;
  18 import io.netty.util.concurrent.Future;
  19 import io.netty.util.concurrent.GenericFutureListener;
  20 import io.netty.util.concurrent.GlobalEventExecutor;
  21 import java.net.InetSocketAddress;
  22 import java.util.List;
  23 import java.util.concurrent.ExecutionException;
  24 import org.junit.After;
  25 import org.junit.Assert;
  26 import org.junit.Before;
  27 import org.junit.Test;
  28 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
  29 import org.opendaylight.protocol.bgp.parser.BgpTableTypeImpl;
  30 import org.opendaylight.protocol.bgp.parser.spi.pojo.ServiceLoaderBGPExtensionProviderContext;
  31 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPPeerRegistry;
  32 import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionPreferences;
  33 import org.opendaylight.protocol.framework.NeverReconnectStrategy;
  34 import org.opendaylight.protocol.framework.ReconnectStrategy;
  35 import org.opendaylight.protocol.framework.ReconnectStrategyFactory;
  36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
  37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  38 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.BgpParameters;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.BgpParametersBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.bgp.parameters.OptionalCapabilities;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.bgp.parameters.OptionalCapabilitiesBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.bgp.parameters.optional.capabilities.c.parameters.As4BytesCaseBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.bgp.parameters.optional.capabilities.c.parameters.as4.bytes._case.As4BytesCapabilityBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.BgpTableType;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.open.bgp.parameters.optional.capabilities.c.parameters.MultiprotocolCaseBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.open.bgp.parameters.optional.capabilities.c.parameters.multiprotocol._case.MultiprotocolCapabilityBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  50
  51 public class BGPDispatcherImplTest {
  52
  53     private static final InetSocketAddress ADDRESS = new InetSocketAddress("127.0.10.0", 1790);
  54     private static final InetSocketAddress CLIENT_ADDRESS = new InetSocketAddress("127.0.11.0", 1791);
  55     private static final InetSocketAddress CLIENT_ADDRESS2 = new InetSocketAddress("127.0.12.0", 1792);
  56     private static final AsNumber AS_NUMBER = new AsNumber(30L);
  57     private static final int TIMEOUT = 5000;
  58
  59     private final BgpTableType ipv4tt = new BgpTableTypeImpl(Ipv4AddressFamily.class, UnicastSubsequentAddressFamily.class);
  60
  61     private BGPDispatcherImpl dispatcher;
  62     private TestClientDispatcher clientDispatcher;
  63
  64     private BGPPeerRegistry registry;
  65
  66     private Channel channel;
  67
  68     @Before
  69     public void setUp() throws BGPDocumentedException {
  70         final EventLoopGroup group = new NioEventLoopGroup();
  71         this.registry = new StrictBGPPeerRegistry();
  72         this.registry.addPeer(new IpAddress(new Ipv4Address(CLIENT_ADDRESS.getAddress().getHostAddress())),
  73                 new SimpleSessionListener(), createPreferences(CLIENT_ADDRESS));
  74         this.registry.addPeer(new IpAddress(new Ipv4Address(ADDRESS.getAddress().getHostAddress())),
  75                 new SimpleSessionListener(), createPreferences(ADDRESS));
  76         this.dispatcher = new BGPDispatcherImpl(ServiceLoaderBGPExtensionProviderContext.getSingletonInstance().getMessageRegistry(), group, group);
  77         this.clientDispatcher = new TestClientDispatcher(group, group, ServiceLoaderBGPExtensionProviderContext.getSingletonInstance().getMessageRegistry(),
  78                 CLIENT_ADDRESS);
  79
  80         final ChannelFuture future = this.dispatcher.createServer(this.registry, ADDRESS, new BGPServerSessionValidator());
  81         future.addListener(new GenericFutureListener<Future<Void>>() {
  82             @Override
  83             public void operationComplete(Future<Void> future) {
  84                 if(!future.isSuccess()) {
  85                     Assert.fail("Failed to create server.");
  86                 }
  87             }
  88         });
  89         this.channel = future.channel();
  90     }
  91
  92     @Test
  93     public void testCreateClient() throws InterruptedException, ExecutionException {
  94         final BGPSessionImpl session = this.clientDispatcher.createClient(ADDRESS, AS_NUMBER, this.registry,
  95                 new NeverReconnectStrategy(GlobalEventExecutor.INSTANCE, TIMEOUT), Optional.<InetSocketAddress>absent()).get();
  96         Assert.assertEquals(BGPSessionImpl.State.UP, session.getState());
  97         Assert.assertEquals(AS_NUMBER, session.getAsNumber());
  98         Assert.assertEquals(Sets.newHashSet(this.ipv4tt), session.getAdvertisedTableTypes());
  99         session.close();
 100     }
 101
 102     @After
 103     public void tearDown() throws Exception {
 104         this.channel.close().get();
 105         this.dispatcher.close();
 106         this.registry.close();
 107     }
 108
 109     @Test
 110     public void testCreateReconnectingClient() throws InterruptedException, ExecutionException {
 111         final SimpleSessionListener listener = new SimpleSessionListener();
 112         this.registry.addPeer(new IpAddress(new Ipv4Address(CLIENT_ADDRESS2.getAddress().getHostAddress())), listener, createPreferences(CLIENT_ADDRESS2));
 113         final Future<Void> cf = this.clientDispatcher.createReconnectingClient(CLIENT_ADDRESS2, AS_NUMBER, this.registry,
 114                 new ReconnectStrategyFctImpl(), Optional.<InetSocketAddress>absent());
 115         final Channel channel2 = this.dispatcher.createServer(this.registry, CLIENT_ADDRESS2, new BGPServerSessionValidator()).channel();
 116         Thread.sleep(1000);
 117         Assert.assertTrue(listener.up);
 118         Assert.assertTrue(channel2.isActive());
 119         cf.cancel(true);
 120         listener.releaseConnection();
 121     }
 122
 123     private static final class ReconnectStrategyFctImpl implements ReconnectStrategyFactory {
 124         @Override
 125         public ReconnectStrategy createReconnectStrategy() {
 126             return new NeverReconnectStrategy(GlobalEventExecutor.INSTANCE, TIMEOUT);
 127         }
 128
 129     }
 130
 131     private BGPSessionPreferences createPreferences(final InetSocketAddress socketAddress) {
 132         final List<BgpParameters> tlvs = Lists.newArrayList();
 133         final List<OptionalCapabilities> capas = Lists.newArrayList();
 134         capas.add(new OptionalCapabilitiesBuilder().setCParameters(
 135             new MultiprotocolCaseBuilder().setMultiprotocolCapability(
 136                 new MultiprotocolCapabilityBuilder().setAfi(this.ipv4tt.getAfi()).setSafi(this.ipv4tt.getSafi()).build()).build()).build());
 137         capas.add(new OptionalCapabilitiesBuilder().setCParameters(new As4BytesCaseBuilder().setAs4BytesCapability(new As4BytesCapabilityBuilder().setAsNumber(
 138                 new AsNumber(30L)).build()).build()).build());
 139         tlvs.add(new BgpParametersBuilder().setOptionalCapabilities(capas).build());
 140         return new BGPSessionPreferences(AS_NUMBER, (short) 4, new Ipv4Address(socketAddress.getAddress().getHostAddress()), tlvs);
 141     }
 142
 143 }