2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.protocol.bgp.linkstate;
10 import static org.junit.Assert.assertArrayEquals;
11 import static org.junit.Assert.assertEquals;
12 import static org.junit.Assert.assertNull;
14 import com.google.common.collect.Lists;
15 import io.netty.buffer.ByteBuf;
16 import io.netty.buffer.Unpooled;
17 import java.math.BigInteger;
18 import java.util.List;
19 import org.junit.Test;
20 import org.opendaylight.protocol.bgp.linkstate.nlri.LinkstateNlriParser;
21 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
22 import org.opendaylight.protocol.util.ByteArray;
23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
24 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Prefix;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.DomainIdentifier;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.NlriType;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.OspfRouteType;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.ProtocolId;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.TopologyIdentifier;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.isis.lan.identifier.IsIsRouterIdentifierBuilder;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.destination.CLinkstateDestination;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.destination.c.linkstate.destination.LinkDescriptors;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.destination.c.linkstate.destination.LocalNodeDescriptors;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.destination.c.linkstate.destination.PrefixDescriptors;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.destination.c.linkstate.destination.RemoteNodeDescriptors;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.IsisNodeCaseBuilder;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.IsisPseudonodeCaseBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.OspfNodeCaseBuilder;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.isis.node._case.IsisNodeBuilder;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.isis.pseudonode._case.IsisPseudonodeBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.ospf.node._case.OspfNodeBuilder;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationLinkstateCase;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationLinkstateCaseBuilder;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.linkstate._case.DestinationLinkstate;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.linkstate._case.DestinationLinkstateBuilder;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.PathAttributes;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev130919.update.PathAttributesBuilder;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes1;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes1Builder;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes2;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.PathAttributes2Builder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpReachNlriBuilder;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.MpUnreachNlriBuilder;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.mp.reach.nlri.AdvertizedRoutes;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.mp.unreach.nlri.WithdrawnRoutes;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev130919.update.path.attributes.mp.unreach.nlri.WithdrawnRoutesBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.IsoSystemIdentifier;
60 public class LinkstateNlriParserTest {
62 private final byte[] nodeNlri = new byte[] { (byte) 0x00, (byte) 0x01, (byte) 0x00, (byte) 0x30, (byte) 0x02, (byte) 0x00, (byte) 0x00,
63 (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x01, (byte) 0x01, (byte) 0x00, (byte) 0x00, (byte) 0x23,
64 (byte) 0x02, (byte) 0x00, (byte) 0x00, (byte) 0x04, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x48, (byte) 0x02, (byte) 0x01,
65 (byte) 0x00, (byte) 0x04, (byte) 0x28, (byte) 0x28, (byte) 0x28, (byte) 0x28, (byte) 0x02, (byte) 0x02, (byte) 0x00, (byte) 0x04,
66 (byte) 0x00, (byte) 0x29, (byte) 0x29, (byte) 0x29, (byte) 0x02, (byte) 0x03, (byte) 0x00, (byte) 0x07, (byte) 0x00, (byte) 0x00,
67 (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x39, (byte) 0x05 };
69 private final byte[] linkNlri = new byte[] { (byte) 0x00, (byte) 0x02, (byte) 0x00, (byte) 0x65, (byte) 0x02, (byte) 0x00, (byte) 0x00,
70 (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x01, (byte) 0x01, (byte) 0x00, (byte) 0x00, (byte) 0x1a,
71 (byte) 0x02, (byte) 0x00, (byte) 0x00, (byte) 0x04, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x48, (byte) 0x02, (byte) 0x01,
72 (byte) 0x00, (byte) 0x04, (byte) 0x28, (byte) 0x28, (byte) 0x28, (byte) 0x28, (byte) 0x02, (byte) 0x03, (byte) 0x00, (byte) 0x06,
73 (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x42, (byte) 0x01, (byte) 0x01, (byte) 0x00, (byte) 0x18,
74 (byte) 0x02, (byte) 0x00, (byte) 0x00, (byte) 0x04, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x48, (byte) 0x02, (byte) 0x01,
75 (byte) 0x00, (byte) 0x04, (byte) 0x28, (byte) 0x28, (byte) 0x28, (byte) 0x28, (byte) 0x02, (byte) 0x03, (byte) 0x00, (byte) 0x04,
76 (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x40, 1, 2, 0, 8, 1, 2, 3, 4, 0x0a, 0x0b, 0x0c, 0x0d,
77 (byte) 0x01, (byte) 0x03, (byte) 0x00, (byte) 0x04, (byte) 0xc5, (byte) 0x14,
78 (byte) 0xa0, (byte) 0x2a, (byte) 0x01, (byte) 0x04, (byte) 0x00, (byte) 0x04, (byte) 0xc5, (byte) 0x14, (byte) 0xa0, (byte) 0x28,
81 private final byte[] prefixNlri = new byte[] { (byte) 0x00, (byte) 0x03, (byte) 0x00, (byte) 0x39, (byte) 0x02, (byte) 0x00,
82 (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x01, (byte) 0x01, (byte) 0x00, (byte) 0x00,
83 (byte) 0x1a, (byte) 0x02, (byte) 0x00, (byte) 0x00, (byte) 0x04, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x48, (byte) 0x02,
84 (byte) 0x01, (byte) 0x00, (byte) 0x04, (byte) 0x28, (byte) 0x28, (byte) 0x28, (byte) 0x28, (byte) 0x02, (byte) 0x03, (byte) 0x00,
85 (byte) 0x06, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x42, (byte) 0x01, (byte) 0x07, (byte) 0x00,
86 (byte) 0x02, (byte) 0x00, (byte) 0x0F, (byte) 0x01, (byte) 0x08, (byte) 0x00, (byte) 0x01, (byte) 0x03, (byte) 0x01, (byte) 0x09,
87 (byte) 0x00, (byte) 0x03, (byte) 0x10, (byte) 0xFF, (byte) 0xFF };
89 private CLinkstateDestination dest;
91 private void setUp(final byte[] data) throws BGPParsingException {
92 final LinkstateNlriParser parser = new LinkstateNlriParser(false);
93 final MpReachNlriBuilder builder = new MpReachNlriBuilder();
94 parser.parseNlri(Unpooled.copiedBuffer(data), builder);
96 final DestinationLinkstate ls = ((DestinationLinkstateCase) builder.getAdvertizedRoutes().getDestinationType()).getDestinationLinkstate();
97 assertEquals(1, ls.getCLinkstateDestination().size());
99 this.dest = ls.getCLinkstateDestination().get(0);
103 public void testNodeNlri() throws BGPParsingException {
104 setUp(this.nodeNlri);
106 assertEquals(NlriType.Node, this.dest.getNlriType());
107 assertNull(this.dest.getDistinguisher());
108 assertEquals(ProtocolId.IsisLevel2, this.dest.getProtocolId());
109 assertEquals(BigInteger.ONE, this.dest.getIdentifier().getValue());
111 final LocalNodeDescriptors nodeD = this.dest.getLocalNodeDescriptors();
112 assertEquals(new AsNumber(72L), nodeD.getAsNumber());
113 assertEquals(new DomainIdentifier(0x28282828L), nodeD.getDomainId());
114 assertEquals(new IsisPseudonodeCaseBuilder().setIsisPseudonode(
115 new IsisPseudonodeBuilder().setPsn((short) 5).setIsIsRouterIdentifier(
116 new IsIsRouterIdentifierBuilder().setIsoSystemId(
117 new IsoSystemIdentifier(new byte[] { (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
118 (byte) 0x39 })).build()).build()).build(), nodeD.getCRouterIdentifier());
120 assertNull(this.dest.getRemoteNodeDescriptors());
122 final ByteBuf buffer = Unpooled.buffer();
123 LinkstateNlriParser.serializeNlri(this.dest, buffer);
124 assertArrayEquals(this.nodeNlri, ByteArray.readAllBytes(buffer));
128 public void testLinkNlri() throws BGPParsingException {
129 setUp(this.linkNlri);
131 assertEquals(NlriType.Link, this.dest.getNlriType());
132 assertNull(this.dest.getDistinguisher());
133 assertEquals(ProtocolId.IsisLevel2, this.dest.getProtocolId());
134 assertEquals(BigInteger.ONE, this.dest.getIdentifier().getValue());
136 final LocalNodeDescriptors local = this.dest.getLocalNodeDescriptors();
137 assertEquals(new AsNumber(72L), local.getAsNumber());
138 assertEquals(new DomainIdentifier(0x28282828L), local.getDomainId());
140 new IsisNodeCaseBuilder().setIsisNode(
141 new IsisNodeBuilder().setIsoSystemId(
142 new IsoSystemIdentifier(new byte[] { (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
143 (byte) 0x42 })).build()).build(), local.getCRouterIdentifier());
144 final RemoteNodeDescriptors remote = this.dest.getRemoteNodeDescriptors();
145 assertEquals(new AsNumber(72L), remote.getAsNumber());
146 assertEquals(new DomainIdentifier(0x28282828L), remote.getDomainId());
147 assertEquals(new OspfNodeCaseBuilder().setOspfNode(new OspfNodeBuilder().setOspfRouterId(0x00000040L).build()).build(),
148 remote.getCRouterIdentifier());
149 final LinkDescriptors ld = this.dest.getLinkDescriptors();
150 assertEquals("197.20.160.42", ld.getIpv4InterfaceAddress().getValue());
151 assertEquals("197.20.160.40", ld.getIpv4NeighborAddress().getValue());
153 final ByteBuf buffer = Unpooled.buffer();
154 LinkstateNlriParser.serializeNlri(this.dest, buffer);
155 assertArrayEquals(this.linkNlri, ByteArray.readAllBytes(buffer));
159 public void testPrefixNlri() throws BGPParsingException {
160 setUp(this.prefixNlri);
162 assertEquals(NlriType.Ipv4Prefix, this.dest.getNlriType());
163 assertNull(this.dest.getDistinguisher());
164 assertEquals(ProtocolId.IsisLevel2, this.dest.getProtocolId());
165 assertEquals(BigInteger.ONE, this.dest.getIdentifier().getValue());
167 final LocalNodeDescriptors local = this.dest.getLocalNodeDescriptors();
168 assertEquals(new AsNumber(72L), local.getAsNumber());
169 assertEquals(new DomainIdentifier(0x28282828L), local.getDomainId());
171 new IsisNodeCaseBuilder().setIsisNode(
172 new IsisNodeBuilder().setIsoSystemId(
173 new IsoSystemIdentifier(new byte[] { (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
174 (byte) 0x42 })).build()).build(), local.getCRouterIdentifier());
175 assertNull(this.dest.getRemoteNodeDescriptors());
177 final PrefixDescriptors pd = this.dest.getPrefixDescriptors();
178 assertEquals(OspfRouteType.External1, pd.getOspfRouteType());
179 assertEquals(new TopologyIdentifier(15), pd.getMultiTopologyId());
180 assertEquals(new Ipv4Prefix("255.255.0.0/16"), pd.getIpReachabilityInformation().getIpv4Prefix());
182 final ByteBuf buffer = Unpooled.buffer();
183 LinkstateNlriParser.serializeNlri(this.dest, buffer);
184 assertArrayEquals(this.prefixNlri, ByteArray.readAllBytes(buffer));
188 public void testSerializeAttribute() throws BGPParsingException {
189 final LinkstateNlriParser parser = new LinkstateNlriParser(true);
190 setUp(this.prefixNlri);
191 final List<CLinkstateDestination> dests = Lists.newArrayList( this.dest );
192 final DestinationLinkstateCase dlc = new DestinationLinkstateCaseBuilder().setDestinationLinkstate(new DestinationLinkstateBuilder().setCLinkstateDestination(dests).build()).build();
193 final AdvertizedRoutes aroutes = new AdvertizedRoutesBuilder().setDestinationType(dlc).build();
194 final PathAttributes1 reach = new PathAttributes1Builder().setMpReachNlri(new MpReachNlriBuilder().setAdvertizedRoutes(aroutes).build()).build();
196 PathAttributes pa = new PathAttributesBuilder().addAugmentation(PathAttributes1.class, reach).build();
198 ByteBuf result = Unpooled.buffer();
199 parser.serializeAttribute(pa, result);
200 assertArrayEquals(this.prefixNlri, ByteArray.getAllBytes(result));
202 setUp(this.nodeNlri);
203 final List<CLinkstateDestination> destsU = Lists.newArrayList( this.dest );
204 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationLinkstateCase dlcU =
205 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationLinkstateCaseBuilder().setDestinationLinkstate(
206 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.update.path.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.destination.linkstate._case.DestinationLinkstateBuilder().setCLinkstateDestination(destsU).build()).build();
207 final WithdrawnRoutes wroutes = new WithdrawnRoutesBuilder().setDestinationType(dlcU).build();
208 final PathAttributes2 unreach = new PathAttributes2Builder().setMpUnreachNlri(new MpUnreachNlriBuilder().setWithdrawnRoutes(wroutes).build()).build();
210 pa = new PathAttributesBuilder().addAugmentation(PathAttributes2.class, unreach).build();
212 result = Unpooled.buffer();
213 parser.serializeAttribute(pa, result);
214 assertArrayEquals(this.nodeNlri, ByteArray.getAllBytes(result));