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.assertArrayEquals;
  11 import static org.junit.Assert.assertEquals;
  12 import static org.junit.Assert.fail;
  13 import static org.mockito.Matchers.any;
  14
  15 import com.google.common.collect.Lists;
  16 import io.netty.channel.Channel;
  17 import io.netty.channel.ChannelHandler;
  18 import io.netty.channel.ChannelPipeline;
  19 import io.netty.channel.DefaultChannelPromise;
  20 import io.netty.channel.EventLoop;
  21 import java.net.InetSocketAddress;
  22 import java.util.Collections;
  23 import java.util.HashMap;
  24 import java.util.List;
  25 import java.util.Map;
  26 import java.util.concurrent.TimeUnit;
  27 import org.junit.Assert;
  28 import org.junit.Before;
  29 import org.junit.Test;
  30 import org.mockito.Mockito;
  31 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  32 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
  33 import org.opendaylight.protocol.bgp.parser.BGPError;
  34 import org.opendaylight.protocol.bgp.parser.impl.message.update.LocalPreferenceAttributeParser;
  35 import org.opendaylight.protocol.bgp.rib.spi.RibSupportUtils;
  36 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  37 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.ipv4.routes.Ipv4Route;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.KeepaliveBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Open;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.OpenBuilder;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.UpdateBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParameters;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParametersBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.AsPath;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.AsPathBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.LocalPref;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.LocalPrefBuilder;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.Origin;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.OriginBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.message.NlriBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.message.WithdrawnRoutesBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2Builder;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1Builder;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.RouteRefreshBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.MultiprotocolCapabilityBuilder;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpUnreachNlriBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.ApplicationRibId;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.PeerRole;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.LocRib;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.BgpOrigin;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv6AddressFamily;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.CNextHop;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.ipv4.next.hop._case.Ipv4NextHopBuilder;
  74 import org.opendaylight.yangtools.yang.binding.Notification;
  75 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  76 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  77 import org.opendaylight.yangtools.yang.data.api.schema.tree.ModificationType;
  78
  79 public class PeerTest extends AbstractRIBTestSetup {
  80
  81     private ApplicationPeer peer;
  82
  83     private BGPSessionImpl session;
  84
  85     private Map<YangInstanceIdentifier, NormalizedNode<?, ?>> routes;
  86
  87     private BGPPeer classic;
  88     private final Ipv4Address neighborAddress = new Ipv4Address("127.0.0.1");
  89
  90     @Override
  91     @Before
  92     public void setUp() throws Exception {
  93         super.setUp();
  94         this.routes = new HashMap<>();
  95         overrideMockedBehaviour();
  96     }
  97
  98     private void overrideMockedBehaviour() {
  99         Mockito.doAnswer(invocation -> {
 100             final Object[] args = invocation.getArguments();
 101             final NormalizedNode<?, ?> node = (NormalizedNode<?, ?>) args[2];
 102             if (node.getIdentifier().getNodeType().equals(Ipv4Route.QNAME) || node.getNodeType().equals(PREFIX_QNAME)) {
 103                 this.routes.put((YangInstanceIdentifier) args[1], node);
 104             }
 105             return args[1];
 106         }).when(getTransaction()).put(Mockito.eq(LogicalDatastoreType.OPERATIONAL), Mockito.any(YangInstanceIdentifier.class), Mockito.any(NormalizedNode.class));
 107
 108         Mockito.doAnswer(invocation -> {
 109             final Object[] args = invocation.getArguments();
 110             this.routes.remove(args[1]);
 111             return args[1];
 112         }).when(getTransaction()).delete(Mockito.eq(LogicalDatastoreType.OPERATIONAL), Mockito.any(YangInstanceIdentifier.class));
 113     }
 114
 115     @Test
 116     public void testAppPeer() {
 117         final Ipv4Prefix first = new Ipv4Prefix("127.0.0.2/32");
 118         final Ipv4Prefix second = new Ipv4Prefix("127.0.0.1/32");
 119         final Ipv4Prefix third = new Ipv4Prefix("127.0.0.3/32");
 120         this.peer = new ApplicationPeer(new ApplicationRibId(this.neighborAddress.getValue()), this.neighborAddress, getRib());
 121         this.peer.instantiateServiceInstance(null, null);
 122         final YangInstanceIdentifier base = getRib().getYangRibId().node(LocRib.QNAME).node(Tables.QNAME).node(RibSupportUtils.toYangTablesKey(KEY));
 123         this.peer.onDataTreeChanged(ipv4Input(base, ModificationType.WRITE, first, second, third));
 124         assertEquals(3, this.routes.size());
 125
 126         this.peer.onDataTreeChanged(ipv4Input(base, ModificationType.DELETE, third));
 127         assertEquals(2, this.routes.size());
 128     }
 129
 130     @Test
 131     public void testClassicPeer() throws Exception {
 132         this.classic = new BGPPeer(this.neighborAddress.getValue(), getRib(), PeerRole.Ibgp, null, Collections.emptySet(),
 133                 Collections.emptySet());
 134         this.classic.instantiateServiceInstance();
 135         this.mockSession();
 136         assertEquals(this.neighborAddress.getValue(), this.classic.getName());
 137         this.classic.onSessionUp(this.session);
 138         Assert.assertArrayEquals(new byte[]{1, 1, 1, 1}, this.classic.getRawIdentifier());
 139         assertEquals("BGPPeer{name=127.0.0.1, 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());
 140
 141         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"));
 142         final UpdateBuilder ub = new UpdateBuilder();
 143         ub.setNlri(new NlriBuilder().setNlri(prefs).build());
 144         final Origin origin = new OriginBuilder().setValue(BgpOrigin.Igp).build();
 145         final AsPath asPath = new AsPathBuilder().setSegments(Collections.emptyList()).build();
 146         final CNextHop nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4Address("127.0.0.1")).build()).build();
 147         final AttributesBuilder ab = new AttributesBuilder();
 148         ub.setAttributes(ab.setOrigin(origin).setAsPath(asPath).setCNextHop(nextHop).build());
 149         try {
 150             this.classic.onMessage(this.session, ub.build());
 151             fail();
 152         } catch (final BGPDocumentedException e) {
 153             assertEquals(BGPError.MANDATORY_ATTR_MISSING_MSG + "LOCAL_PREF", e.getMessage());
 154             assertEquals(BGPError.WELL_KNOWN_ATTR_MISSING.getCode(), e.getError().getCode());
 155             assertEquals(BGPError.WELL_KNOWN_ATTR_MISSING.getSubcode(), e.getError().getSubcode());
 156             assertArrayEquals(new byte[]{LocalPreferenceAttributeParser.TYPE}, e.getData());
 157         }
 158         assertEquals(0, this.routes.size());
 159
 160         final LocalPref localPref = new LocalPrefBuilder().setPref((long) 100).build();
 161         ub.setAttributes(ab.setLocalPref(localPref).build());
 162         this.classic.onMessage(this.session, ub.build());
 163         assertEquals(3, this.routes.size());
 164
 165         //create new peer so that it gets advertized routes from RIB
 166         final BGPPeer testingPeer = new BGPPeer(this.neighborAddress.getValue(), getRib(), PeerRole.Ibgp, null,
 167                 Collections.emptySet(), Collections.emptySet());
 168         testingPeer.instantiateServiceInstance();
 169         testingPeer.onSessionUp(this.session);
 170         assertEquals(3, this.routes.size());
 171
 172         final List<Ipv4Prefix> prefs2 = Lists.newArrayList(new Ipv4Prefix("8.0.1.0/28"), new Ipv4Prefix("8.0.1.16/28"));
 173         ub.setNlri(new NlriBuilder().setNlri(prefs2).build());
 174         ub.setWithdrawnRoutes(new WithdrawnRoutesBuilder().setWithdrawnRoutes(prefs).build());
 175         this.classic.onMessage(this.session, ub.build());
 176         assertEquals(2, this.routes.size());
 177         this.classic.onMessage(this.session, new KeepaliveBuilder().build());
 178         this.classic.onMessage(this.session, new UpdateBuilder().setAttributes(
 179                 new AttributesBuilder().addAugmentation(
 180                         Attributes2.class,
 181                         new Attributes2Builder().setMpUnreachNlri(
 182                                 new MpUnreachNlriBuilder().setAfi(AFI).setSafi(SAFI).build()).build()).build()).build());
 183         this.classic.onMessage(this.session, new RouteRefreshBuilder().setAfi(AFI).setSafi(SAFI).build());
 184         this.classic.onMessage(this.session, new RouteRefreshBuilder().setAfi(Ipv6AddressFamily.class).setSafi(SAFI).build());
 185         assertEquals(2, this.routes.size());
 186         this.classic.releaseConnection();
 187     }
 188
 189     private void mockSession() {
 190         final EventLoop eventLoop = Mockito.mock(EventLoop.class);
 191         final Channel channel = Mockito.mock(Channel.class);
 192         final ChannelPipeline pipeline = Mockito.mock(ChannelPipeline.class);
 193         Mockito.doReturn(null).when(eventLoop).schedule(any(Runnable.class), any(long.class), any(TimeUnit.class));
 194         Mockito.doReturn(eventLoop).when(channel).eventLoop();
 195         Mockito.doReturn(Boolean.TRUE).when(channel).isWritable();
 196         Mockito.doReturn(null).when(channel).close();
 197         Mockito.doReturn(pipeline).when(channel).pipeline();
 198         Mockito.doCallRealMethod().when(channel).toString();
 199         Mockito.doReturn(pipeline).when(pipeline).addLast(Mockito.any(ChannelHandler.class));
 200         Mockito.doReturn(new DefaultChannelPromise(channel)).when(channel).writeAndFlush(any(Notification.class));
 201         Mockito.doReturn(new InetSocketAddress("localhost", 12345)).when(channel).remoteAddress();
 202         Mockito.doReturn(new InetSocketAddress("localhost", 12345)).when(channel).localAddress();
 203         final List<BgpParameters> params = Lists.newArrayList(new BgpParametersBuilder().setOptionalCapabilities(
 204                 Lists.newArrayList(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(
 205                         CParameters1.class, new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
 206                                 .setAfi(Ipv4AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class).build()).build()).build()).build())).build());
 207         final Open openObj = new OpenBuilder().setBgpIdentifier(new Ipv4Address("1.1.1.1")).setHoldTimer(50).setMyAsNumber(72).setBgpParameters(params).build();
 208         this.session = new BGPSessionImpl(this.classic, channel, openObj, 30, null);
 209         this.session.setChannelExtMsgCoder(openObj);
 210     }
 211 }