2 * Copyright (c) 2016 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.l3vpn.ipv4;
10 import com.google.common.collect.Lists;
11 import io.netty.buffer.ByteBuf;
12 import io.netty.buffer.Unpooled;
13 import java.util.Collections;
14 import java.util.List;
15 import org.junit.Assert;
16 import org.junit.Test;
17 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
18 import org.opendaylight.protocol.util.ByteArray;
19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.labeled.unicast.LabelStack;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.labeled.unicast.LabelStackBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.AttributesBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.Attributes1;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.Attributes1Builder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.Attributes2;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.Attributes2Builder;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.MpReachNlri;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.MpReachNlriBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.MpUnreachNlri;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.MpUnreachNlriBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.mp.reach.nlri.AdvertizedRoutesBuilder;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.update.attributes.mp.unreach.nlri.WithdrawnRoutesBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.Ipv4AddressFamily;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.RouteDistinguisher;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.RouteDistinguisherBuilder;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv4.rev180329.l3vpn.ipv4.destination.VpnIpv4DestinationBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.rev180329.l3vpn.ip.destination.type.VpnDestination;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.rev180329.l3vpn.ip.destination.type.VpnDestinationBuilder;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.MplsLabel;
42 public class VpnIpv4NlriParserTest {
44 private static final VpnIpv4NlriParser PARSER = new VpnIpv4NlriParser();
46 /* Reach NLRI prefix value.
50 * 00 16 3 <- labelValue 355
52 * 00 01 <- routeDistinguisher Type=1
53 * 01 02 03 04 <- routeDistinguisher IPV4=1.2.3.4
54 * 01 02 <- routeDistinguisher AS=258
55 * 22 01 16 <- prefixType IPV4=34.1.22.0/24
57 private static final byte[] REACH_NLRI = new byte[] {
59 (byte) 0x00, (byte) 0x16, (byte) 0x31,
60 0, 1, 1, 2, 3, 4, 1, 2,
61 (byte) 0x22, (byte) 0x01, (byte) 0x16,
64 /* Unreach NLRI prefix value.
68 * 80 00 00 <- labelValue for withdraw
69 * 00 01 <- routeDistinguisher Type=1
70 * 01 02 03 04 <- routeDistinguisher IPV4=1.2.3.4
71 * 01 02 <- routeDistinguisher AS=258
72 * 22 01 16 <- prefixType IPV4=34.1.22.0/24
74 private static final byte[] UNREACH_NLRI = new byte[] {
76 (byte) 0x80, (byte) 0x00, (byte) 0x00,
77 0, 1, 1, 2, 3, 4, 1, 2,
78 (byte) 0x22, (byte) 0x01, (byte) 0x16,
81 static final IpPrefix IPV4_PREFIX = new IpPrefix(new Ipv4Prefix("34.1.22.0/24"));
82 static final List<LabelStack> LABEL_STACK = Lists.newArrayList(
83 new LabelStackBuilder().setLabelValue(new MplsLabel(355L)).build());
84 static final RouteDistinguisher DISTINGUISHER = RouteDistinguisherBuilder
85 .getDefaultInstance("1.2.3.4:258");
86 static final VpnDestination IPV4_VPN = new VpnDestinationBuilder().setRouteDistinguisher(DISTINGUISHER)
87 .setPrefix(IPV4_PREFIX).setLabelStack(LABEL_STACK).build();
88 private static final VpnDestination IPV4_VPN_WITHOUT_LABELS = new VpnDestinationBuilder()
89 .setRouteDistinguisher(DISTINGUISHER).setPrefix(IPV4_PREFIX).build();
92 public void testMpReachNlri() throws BGPParsingException {
93 final MpReachNlriBuilder mpBuilder = new MpReachNlriBuilder();
94 mpBuilder.setAfi(Ipv4AddressFamily.class);
95 mpBuilder.setAdvertizedRoutes(
96 new AdvertizedRoutesBuilder().setDestinationType(
97 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv4.rev180329.update
98 .attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationVpnIpv4CaseBuilder()
99 .setVpnIpv4Destination(new VpnIpv4DestinationBuilder().setVpnDestination(
100 Collections.singletonList(IPV4_VPN)).build()).build()).build()).build();
102 final MpReachNlri mpReachExpected = mpBuilder.build();
104 final MpReachNlriBuilder testBuilder = new MpReachNlriBuilder();
105 testBuilder.setAfi(Ipv4AddressFamily.class);
106 PARSER.parseNlri(Unpooled.copiedBuffer(REACH_NLRI), testBuilder);
107 Assert.assertEquals(mpReachExpected, testBuilder.build());
109 final ByteBuf output = Unpooled.buffer();
110 PARSER.serializeAttribute(
111 new AttributesBuilder().addAugmentation(Attributes1.class,
112 new Attributes1Builder().setMpReachNlri(mpReachExpected).build()
115 Assert.assertArrayEquals(REACH_NLRI, ByteArray.readAllBytes(output));
119 public void testMpUnreachNlri() throws BGPParsingException {
120 final MpUnreachNlriBuilder mpBuilder = new MpUnreachNlriBuilder();
121 mpBuilder.setAfi(Ipv4AddressFamily.class);
123 mpBuilder.setWithdrawnRoutes(
124 new WithdrawnRoutesBuilder().setDestinationType(
125 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv4.rev180329.update
126 .attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationVpnIpv4CaseBuilder()
127 .setVpnIpv4Destination(new VpnIpv4DestinationBuilder().setVpnDestination(
128 Collections.singletonList(IPV4_VPN_WITHOUT_LABELS)).build()).build()).build()).build();
129 final MpUnreachNlri mpUnreachExpected1 = mpBuilder.build();
131 mpBuilder.setWithdrawnRoutes(
132 new WithdrawnRoutesBuilder().setDestinationType(
133 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv4.rev180329.update
134 .attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationVpnIpv4CaseBuilder()
135 .setVpnIpv4Destination(new VpnIpv4DestinationBuilder().setVpnDestination(
136 Collections.singletonList(IPV4_VPN)).build()).build()).build()).build();
137 final MpUnreachNlri mpUnreachExpected2 = mpBuilder.build();
139 final MpUnreachNlriBuilder testBuilder = new MpUnreachNlriBuilder();
140 testBuilder.setAfi(Ipv4AddressFamily.class);
141 PARSER.parseNlri(Unpooled.copiedBuffer(UNREACH_NLRI), testBuilder);
142 Assert.assertEquals(mpUnreachExpected1, testBuilder.build());
144 final ByteBuf output = Unpooled.buffer();
145 PARSER.serializeAttribute(
146 new AttributesBuilder().addAugmentation(Attributes2.class,
147 new Attributes2Builder().setMpUnreachNlri(mpUnreachExpected2).build()
150 Assert.assertArrayEquals(UNREACH_NLRI, ByteArray.readAllBytes(output));