bgp/rib-impl/src/test/java/org/opendaylight/protocol/bgp/rib/impl/PeerTest.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.junit.Assert.assertEquals;
  11 import static org.junit.Assert.assertNotNull;
  12 import static org.mockito.Matchers.any;
  13 import com.google.common.collect.Lists;
  14 import io.netty.channel.Channel;
  15 import io.netty.channel.ChannelHandler;
  16 import io.netty.channel.ChannelPipeline;
  17 import io.netty.channel.DefaultChannelPromise;
  18 import io.netty.channel.EventLoop;
  19 import java.net.InetSocketAddress;
  20 import java.util.HashMap;
  21 import java.util.List;
  22 import java.util.Map;
  23 import java.util.concurrent.TimeUnit;
  24 import org.junit.Assert;
  25 import org.junit.Before;
  26 import org.junit.Test;
  27 import org.mockito.Mockito;
  28 import org.mockito.invocation.InvocationOnMock;
  29 import org.mockito.stubbing.Answer;
  30 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  31 import org.opendaylight.protocol.bgp.rib.spi.RibSupportUtils;
  32 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.ipv4.routes.Ipv4Route;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.KeepaliveBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.OpenBuilder;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.UpdateBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParameters;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParametersBuilder;
  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.path.attributes.AttributesBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.message.NlriBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.message.WithdrawnRoutesBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2Builder;
  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.RouteRefreshBuilder;
  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.multiprotocol.rev130919.update.attributes.MpUnreachNlriBuilder;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.ApplicationRibId;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.PeerRole;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.LocRib;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv6AddressFamily;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  59 import org.opendaylight.yangtools.yang.binding.Notification;
  60 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  61 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  62 import org.opendaylight.yangtools.yang.data.api.schema.tree.ModificationType;
  63
  64 public class PeerTest extends AbstractRIBTestSetup {
  65
  66     private ApplicationPeer peer;
  67
  68     private BGPSessionImpl session;
  69
  70     private Map<YangInstanceIdentifier, NormalizedNode<?,?>> routes;
  71
  72     private BGPPeer classic;
  73
  74     @Override
  75     @Before
  76     public void setUp() throws Exception {
  77         super.setUp();
  78         this.routes = new HashMap<>();
  79         overrideMockedBehaviour();
  80     }
  81
  82     private void overrideMockedBehaviour() {
  83         Mockito.doAnswer(new Answer<Object>() {
  84             @Override
  85             public Object answer(final InvocationOnMock invocation) throws Throwable {
  86                 final Object[] args = invocation.getArguments();
  87                 final NormalizedNode<?,?>node = (NormalizedNode<?,?>)args[2];
  88                 if (node.getIdentifier().getNodeType().equals(Ipv4Route.QNAME) || node.getNodeType().equals(IPv4RIBSupport.PREFIX_QNAME)) {
  89                     PeerTest.this.routes.put((YangInstanceIdentifier) args[1], node);
  90                 }
  91                 return args[1];
  92             }
  93         }).when(getTransaction()).put(Mockito.eq(LogicalDatastoreType.OPERATIONAL), Mockito.any(YangInstanceIdentifier.class), Mockito.any(NormalizedNode.class));
  94
  95         Mockito.doAnswer(new Answer<Object>() {
  96             @Override
  97             public Object answer(final InvocationOnMock invocation) throws Throwable {
  98                 final Object[] args = invocation.getArguments();
  99                 PeerTest.this.routes.remove(args[1]);
 100                 return args[1];
 101             }
 102         }).when(getTransaction()).delete(Mockito.eq(LogicalDatastoreType.OPERATIONAL), Mockito.any(YangInstanceIdentifier.class));
 103     }
 104
 105
 106     @Test
 107     public void testAppPeer() {
 108         final Ipv4Prefix first = new Ipv4Prefix("127.0.0.2/32");
 109         final Ipv4Prefix second = new Ipv4Prefix("127.0.0.1/32");
 110         final Ipv4Prefix third = new Ipv4Prefix("127.0.0.3/32");
 111         this.peer = new ApplicationPeer(new ApplicationRibId("t"), new Ipv4Address("127.0.0.1"), getRib());
 112         final YangInstanceIdentifier base = getRib().getYangRibId().node(LocRib.QNAME).node(Tables.QNAME).node(RibSupportUtils.toYangTablesKey(KEY));
 113         this.peer.onDataTreeChanged(ipv4Input(base, ModificationType.WRITE, first, second, third));
 114         assertEquals(3, this.routes.size());
 115
 116         this.peer.onDataTreeChanged(ipv4Input(base, ModificationType.DELETE, third));
 117         assertEquals(2, this.routes.size());
 118     }
 119
 120     @Test
 121     public void testClassicPeer() throws Exception {
 122         this.classic = new BGPPeer("testPeer", getRib(), PeerRole.Ibgp, null);
 123         this.mockSession();
 124         assertEquals("testPeer", this.classic.getName());
 125         this.classic.onSessionUp(this.session);
 126         Assert.assertArrayEquals(new byte[] {1, 1, 1, 1}, this.classic.getRawIdentifier());
 127         assertEquals("BGPPeer{name=testPeer, tables=[TablesKey [_afi=class org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily, _safi=class org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily]]}", this.classic.toString());
 128         final List<Ipv4Prefix> prefs = Lists.newArrayList(new Ipv4Prefix("8.0.1.0/28"), new Ipv4Prefix("127.0.0.1/32"), new Ipv4Prefix("2.2.2.2/24"));
 129         final UpdateBuilder ub = new UpdateBuilder();
 130         ub.setNlri(new NlriBuilder().setNlri(prefs).build());
 131         ub.setAttributes(new AttributesBuilder().build());
 132         this.classic.onMessage(this.session, ub.build());
 133         assertEquals(3, this.routes.size());
 134
 135         //create new peer so that it gets advertized routes from RIB
 136         try (final BGPPeer testingPeer = new BGPPeer("testingPeer", getRib(), PeerRole.Ibgp, null)) {
 137             testingPeer.onSessionUp(this.session);
 138             assertEquals(3, this.routes.size());
 139             assertEquals(1, testingPeer.getBgpPeerState().getSessionEstablishedCount().intValue());
 140             assertEquals(1, testingPeer.getBgpPeerState().getRouteTable().size());
 141             assertNotNull(testingPeer.getBgpSessionState());
 142         }
 143
 144         final List<Ipv4Prefix> prefs2 = Lists.newArrayList(new Ipv4Prefix("8.0.1.0/28"), new Ipv4Prefix("8.0.1.16/28"));
 145         ub.setNlri(new NlriBuilder().setNlri(prefs2).build());
 146         ub.setWithdrawnRoutes(new WithdrawnRoutesBuilder().setWithdrawnRoutes(prefs).build());
 147         this.classic.onMessage(this.session, ub.build());
 148         assertEquals(2, this.routes.size());
 149         this.classic.onMessage(this.session, new KeepaliveBuilder().build());
 150         this.classic.onMessage(this.session, new UpdateBuilder().setAttributes(
 151             new AttributesBuilder().addAugmentation(
 152                     Attributes2.class,
 153                     new Attributes2Builder().setMpUnreachNlri(
 154                             new MpUnreachNlriBuilder().setAfi(AFI).setSafi(SAFI).build()).build()).build()).build());
 155         this.classic.onMessage(this.session, new RouteRefreshBuilder().setAfi(AFI).setSafi(SAFI).build());
 156         this.classic.onMessage(this.session, new RouteRefreshBuilder().setAfi(Ipv6AddressFamily.class).setSafi(SAFI).build());
 157         assertEquals(2, this.routes.size());
 158         this.classic.releaseConnection();
 159     }
 160
 161     private void mockSession() {
 162         final EventLoop eventLoop = Mockito.mock(EventLoop.class);
 163         final Channel channel = Mockito.mock(Channel.class);
 164         final ChannelPipeline pipeline = Mockito.mock(ChannelPipeline.class);
 165         Mockito.doReturn(null).when(eventLoop).schedule(any(Runnable.class), any(long.class), any(TimeUnit.class));
 166         Mockito.doReturn(eventLoop).when(channel).eventLoop();
 167         Mockito.doReturn(Boolean.TRUE).when(channel).isWritable();
 168         Mockito.doReturn(null).when(channel).close();
 169         Mockito.doReturn(pipeline).when(channel).pipeline();
 170         Mockito.doCallRealMethod().when(channel).toString();
 171         Mockito.doReturn(pipeline).when(pipeline).addLast(Mockito.any(ChannelHandler.class));
 172         Mockito.doReturn(new DefaultChannelPromise(channel)).when(channel).writeAndFlush(any(Notification.class));
 173         Mockito.doReturn(new InetSocketAddress("localhost", 12345)).when(channel).remoteAddress();
 174         Mockito.doReturn(new InetSocketAddress("localhost", 12345)).when(channel).localAddress();
 175         final List<BgpParameters> params = Lists.newArrayList(new BgpParametersBuilder().setOptionalCapabilities(
 176             Lists.newArrayList(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(
 177                 CParameters1.class, new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
 178                     .setAfi(Ipv4AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class).build()).build()).build()).build())).build());
 179         this.session = new BGPSessionImpl(this.classic, channel, new OpenBuilder().setBgpIdentifier(new Ipv4Address("1.1.1.1")).setHoldTimer(50).setMyAsNumber(72).setBgpParameters(params).build(), 30, null);
 180     }
 181 }