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.assertNotNull;
  13 import static org.junit.Assert.fail;
  14 import static org.mockito.Matchers.any;
  15
  16 import com.google.common.collect.Lists;
  17 import io.netty.channel.Channel;
  18 import io.netty.channel.ChannelHandler;
  19 import io.netty.channel.ChannelPipeline;
  20 import io.netty.channel.DefaultChannelPromise;
  21 import io.netty.channel.EventLoop;
  22 import java.net.InetSocketAddress;
  23 import java.util.Collections;
  24 import java.util.HashMap;
  25 import java.util.List;
  26 import java.util.Map;
  27 import java.util.concurrent.TimeUnit;
  28 import org.junit.Assert;
  29 import org.junit.Before;
  30 import org.junit.Test;
  31 import org.mockito.Mockito;
  32 import org.mockito.invocation.InvocationOnMock;
  33 import org.mockito.stubbing.Answer;
  34 import org.opendaylight.controller.config.yang.bgp.rib.impl.RouteTable;
  35 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  36 import org.opendaylight.protocol.bgp.parser.BGPDocumentedException;
  37 import org.opendaylight.protocol.bgp.parser.BGPError;
  38 import org.opendaylight.protocol.bgp.parser.impl.message.update.LocalPreferenceAttributeParser;
  39 import org.opendaylight.protocol.bgp.rib.spi.RibSupportUtils;
  40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Address;
  41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv4.routes.ipv4.routes.Ipv4Route;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.KeepaliveBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.Open;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.OpenBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.UpdateBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParameters;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.BgpParametersBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.OptionalCapabilitiesBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.open.message.bgp.parameters.optional.capabilities.CParametersBuilder;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.AttributesBuilder;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.AsPath;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.AsPathBuilder;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.LocalPref;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.LocalPrefBuilder;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.Origin;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.path.attributes.attributes.OriginBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.message.NlriBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.message.WithdrawnRoutesBuilder;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.Attributes2Builder;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.CParameters1Builder;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.RouteRefreshBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.mp.capabilities.MultiprotocolCapabilityBuilder;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.attributes.MpUnreachNlriBuilder;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.ApplicationRibId;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.PeerRole;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.bgp.rib.rib.LocRib;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.BgpOrigin;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv4AddressFamily;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv6AddressFamily;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.UnicastSubsequentAddressFamily;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.CNextHop;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.next.hop.c.next.hop.Ipv4NextHopCaseBuilder;
  77 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;
  78 import org.opendaylight.yangtools.yang.binding.Notification;
  79 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  80 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  81 import org.opendaylight.yangtools.yang.data.api.schema.tree.ModificationType;
  82
  83 public class PeerTest extends AbstractRIBTestSetup {
  84
  85     private ApplicationPeer peer;
  86
  87     private BGPSessionImpl session;
  88
  89     private Map<YangInstanceIdentifier, NormalizedNode<?, ?>> routes;
  90
  91     private BGPPeer classic;
  92
  93     @Override
  94     @Before
  95     public void setUp() throws Exception {
  96         super.setUp();
  97         this.routes = new HashMap<>();
  98         overrideMockedBehaviour();
  99     }
 100
 101     private void overrideMockedBehaviour() {
 102         Mockito.doAnswer(new Answer<Object>() {
 103             @Override
 104             public Object answer(final InvocationOnMock invocation) throws Throwable {
 105                 final Object[] args = invocation.getArguments();
 106                 final NormalizedNode<?, ?> node = (NormalizedNode<?, ?>) args[2];
 107                 if (node.getIdentifier().getNodeType().equals(Ipv4Route.QNAME) || node.getNodeType().equals(PREFIX_QNAME)) {
 108                     PeerTest.this.routes.put((YangInstanceIdentifier) args[1], node);
 109                 }
 110                 return args[1];
 111             }
 112         }).when(getTransaction()).put(Mockito.eq(LogicalDatastoreType.OPERATIONAL), Mockito.any(YangInstanceIdentifier.class), Mockito.any(NormalizedNode.class));
 113
 114         Mockito.doAnswer(new Answer<Object>() {
 115             @Override
 116             public Object answer(final InvocationOnMock invocation) throws Throwable {
 117                 final Object[] args = invocation.getArguments();
 118                 PeerTest.this.routes.remove(args[1]);
 119                 return args[1];
 120             }
 121         }).when(getTransaction()).delete(Mockito.eq(LogicalDatastoreType.OPERATIONAL), Mockito.any(YangInstanceIdentifier.class));
 122     }
 123
 124     @Test
 125     public void testAppPeer() {
 126         final Ipv4Prefix first = new Ipv4Prefix("127.0.0.2/32");
 127         final Ipv4Prefix second = new Ipv4Prefix("127.0.0.1/32");
 128         final Ipv4Prefix third = new Ipv4Prefix("127.0.0.3/32");
 129         this.peer = new ApplicationPeer(new ApplicationRibId("t"), new Ipv4Address("127.0.0.1"), getRib());
 130         this.peer.instantiateServiceInstance(null, null);
 131         final YangInstanceIdentifier base = getRib().getYangRibId().node(LocRib.QNAME).node(Tables.QNAME).node(RibSupportUtils.toYangTablesKey(KEY));
 132         this.peer.onDataTreeChanged(ipv4Input(base, ModificationType.WRITE, first, second, third));
 133         assertEquals(3, this.routes.size());
 134
 135         this.peer.onDataTreeChanged(ipv4Input(base, ModificationType.DELETE, third));
 136         assertEquals(2, this.routes.size());
 137     }
 138
 139     @Test
 140     public void testClassicPeer() throws Exception {
 141         this.classic = new BGPPeer("testPeer", getRib(), PeerRole.Ibgp, null);
 142         this.classic.instantiateServiceInstance();
 143         this.mockSession();
 144         assertEquals("testPeer", this.classic.getName());
 145         this.classic.onSessionUp(this.session);
 146         assertEquals(1, this.classic.getBgpPeerState().getSessionEstablishedCount().getValue().intValue());
 147         Assert.assertArrayEquals(new byte[]{1, 1, 1, 1}, this.classic.getRawIdentifier());
 148         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());
 149
 150         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"));
 151         final UpdateBuilder ub = new UpdateBuilder();
 152         ub.setNlri(new NlriBuilder().setNlri(prefs).build());
 153         final Origin origin = new OriginBuilder().setValue(BgpOrigin.Igp).build();
 154         final AsPath asPath = new AsPathBuilder().setSegments(Collections.emptyList()).build();
 155         final CNextHop nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4Address("127.0.0.1")).build()).build();
 156         final AttributesBuilder ab = new AttributesBuilder();
 157         ub.setAttributes(ab.setOrigin(origin).setAsPath(asPath).setCNextHop(nextHop).build());
 158         try {
 159             this.classic.onMessage(this.session, ub.build());
 160             fail();
 161         } catch (BGPDocumentedException e) {
 162             assertEquals(BGPError.MANDATORY_ATTR_MISSING_MSG + "LOCAL_PREF", e.getMessage());
 163             assertEquals(BGPError.WELL_KNOWN_ATTR_MISSING.getCode(), e.getError().getCode());
 164             assertEquals(BGPError.WELL_KNOWN_ATTR_MISSING.getSubcode(), e.getError().getSubcode());
 165             assertArrayEquals(new byte[]{LocalPreferenceAttributeParser.TYPE}, e.getData());
 166         }
 167         assertEquals(0, this.routes.size());
 168
 169         final LocalPref localPref = new LocalPrefBuilder().setPref((long) 100).build();
 170         ub.setAttributes(ab.setLocalPref(localPref).build());
 171         this.classic.onMessage(this.session, ub.build());
 172         assertEquals(3, this.routes.size());
 173
 174         //create new peer so that it gets advertized routes from RIB
 175         try (final BGPPeer testingPeer = new BGPPeer("testingPeer", getRib(), PeerRole.Ibgp, null)) {
 176             testingPeer.instantiateServiceInstance();
 177             testingPeer.onSessionUp(this.session);
 178             assertEquals(3, this.routes.size());
 179             assertEquals(1, testingPeer.getBgpPeerState().getSessionEstablishedCount().getValue().intValue());
 180             final List<RouteTable> routeTables = testingPeer.getBgpPeerState().getRouteTable();
 181             assertEquals(1, routeTables.size());
 182             final RouteTable routeTable = routeTables.get(0);
 183             assertEquals(AFI_QNAME.toString(), routeTable.getAfi().getqNameOfIdentity());
 184             assertEquals(SAFI_QNAME.toString(), routeTable.getSafi().getqNameOfIdentity());
 185             assertNotNull(testingPeer.getBgpSessionState());
 186         }
 187
 188         final List<Ipv4Prefix> prefs2 = Lists.newArrayList(new Ipv4Prefix("8.0.1.0/28"), new Ipv4Prefix("8.0.1.16/28"));
 189         ub.setNlri(new NlriBuilder().setNlri(prefs2).build());
 190         ub.setWithdrawnRoutes(new WithdrawnRoutesBuilder().setWithdrawnRoutes(prefs).build());
 191         this.classic.onMessage(this.session, ub.build());
 192         assertEquals(2, this.routes.size());
 193         this.classic.onMessage(this.session, new KeepaliveBuilder().build());
 194         this.classic.onMessage(this.session, new UpdateBuilder().setAttributes(
 195             new AttributesBuilder().addAugmentation(
 196                 Attributes2.class,
 197                 new Attributes2Builder().setMpUnreachNlri(
 198                     new MpUnreachNlriBuilder().setAfi(AFI).setSafi(SAFI).build()).build()).build()).build());
 199         this.classic.onMessage(this.session, new RouteRefreshBuilder().setAfi(AFI).setSafi(SAFI).build());
 200         this.classic.onMessage(this.session, new RouteRefreshBuilder().setAfi(Ipv6AddressFamily.class).setSafi(SAFI).build());
 201         assertEquals(2, this.routes.size());
 202         this.classic.releaseConnection();
 203     }
 204
 205     private void mockSession() {
 206         final EventLoop eventLoop = Mockito.mock(EventLoop.class);
 207         final Channel channel = Mockito.mock(Channel.class);
 208         final ChannelPipeline pipeline = Mockito.mock(ChannelPipeline.class);
 209         Mockito.doReturn(null).when(eventLoop).schedule(any(Runnable.class), any(long.class), any(TimeUnit.class));
 210         Mockito.doReturn(eventLoop).when(channel).eventLoop();
 211         Mockito.doReturn(Boolean.TRUE).when(channel).isWritable();
 212         Mockito.doReturn(null).when(channel).close();
 213         Mockito.doReturn(pipeline).when(channel).pipeline();
 214         Mockito.doCallRealMethod().when(channel).toString();
 215         Mockito.doReturn(pipeline).when(pipeline).addLast(Mockito.any(ChannelHandler.class));
 216         Mockito.doReturn(new DefaultChannelPromise(channel)).when(channel).writeAndFlush(any(Notification.class));
 217         Mockito.doReturn(new InetSocketAddress("localhost", 12345)).when(channel).remoteAddress();
 218         Mockito.doReturn(new InetSocketAddress("localhost", 12345)).when(channel).localAddress();
 219         final List<BgpParameters> params = Lists.newArrayList(new BgpParametersBuilder().setOptionalCapabilities(
 220             Lists.newArrayList(new OptionalCapabilitiesBuilder().setCParameters(new CParametersBuilder().addAugmentation(
 221                 CParameters1.class, new CParameters1Builder().setMultiprotocolCapability(new MultiprotocolCapabilityBuilder()
 222                     .setAfi(Ipv4AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class).build()).build()).build()).build())).build());
 223         final Open openObj = new OpenBuilder().setBgpIdentifier(new Ipv4Address("1.1.1.1")).setHoldTimer(50).setMyAsNumber(72).setBgpParameters(params).build();
 224         this.session = new BGPSessionImpl(this.classic, channel, openObj, 30, null);
 225         this.session.setChannelExtMsgCoder(openObj);
 226     }
 227 }