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.unicast.ipv4;
10 import static org.junit.Assert.assertArrayEquals;
11 import static org.junit.Assert.assertEquals;
12 import static org.opendaylight.protocol.bgp.parser.spi.PathIdUtil.NON_PATH_ID;
14 import io.netty.buffer.ByteBuf;
15 import io.netty.buffer.Unpooled;
16 import java.util.List;
17 import org.junit.Test;
18 import org.opendaylight.bgp.concepts.RouteDistinguisherUtil;
19 import org.opendaylight.protocol.bgp.parser.BGPParsingException;
20 import org.opendaylight.protocol.util.ByteArray;
21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.labeled.unicast.LabelStack;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.labeled.unicast.rev180329.labeled.unicast.LabelStackBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.AttributesBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.AttributesReachBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.AttributesUnreachBuilder;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.reach.MpReachNlri;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.reach.MpReachNlriBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.reach.mp.reach.nlri.AdvertizedRoutesBuilder;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.unreach.MpUnreachNlri;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.unreach.MpUnreachNlriBuilder;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.unreach.mp.unreach.nlri.WithdrawnRoutesBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Ipv4AddressFamily;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.MplsLabeledVpnSubsequentAddressFamily;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.RouteDistinguisher;
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;
41 import org.opendaylight.yangtools.yang.common.Uint32;
43 public class VpnIpv4NlriParserTest {
45 private static final VpnIpv4NlriParser PARSER = new VpnIpv4NlriParser();
47 /* Reach NLRI prefix value.
51 * 00 16 3 <- labelValue 355
53 * 00 01 <- routeDistinguisher Type=1
54 * 01 02 03 04 <- routeDistinguisher IPV4=1.2.3.4
55 * 01 02 <- routeDistinguisher AS=258
56 * 22 01 16 <- prefixType IPV4=34.1.22.0/24
58 private static final byte[] REACH_NLRI = new byte[] {
60 (byte) 0x00, (byte) 0x16, (byte) 0x31,
61 0, 1, 1, 2, 3, 4, 1, 2,
62 (byte) 0x22, (byte) 0x01, (byte) 0x16,
65 /* Unreach NLRI prefix value.
69 * 80 00 00 <- labelValue for withdraw
70 * 00 01 <- routeDistinguisher Type=1
71 * 01 02 03 04 <- routeDistinguisher IPV4=1.2.3.4
72 * 01 02 <- routeDistinguisher AS=258
73 * 22 01 16 <- prefixType IPV4=34.1.22.0/24
75 private static final byte[] UNREACH_NLRI = new byte[] {
77 (byte) 0x80, (byte) 0x00, (byte) 0x00,
78 0, 1, 1, 2, 3, 4, 1, 2,
79 (byte) 0x22, (byte) 0x01, (byte) 0x16,
82 static final IpPrefix IPV4_PREFIX = new IpPrefix(new Ipv4Prefix("34.1.22.0/24"));
83 static final List<LabelStack> LABEL_STACK = List.of(
84 new LabelStackBuilder().setLabelValue(new MplsLabel(Uint32.valueOf(355))).build());
85 static final RouteDistinguisher DISTINGUISHER = RouteDistinguisherUtil.parseRouteDistinguisher("1.2.3.4:258");
86 static final VpnDestination IPV4_VPN = new VpnDestinationBuilder().setRouteDistinguisher(DISTINGUISHER)
87 .setPrefix(IPV4_PREFIX).setPathId(NON_PATH_ID).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 .setAfi(Ipv4AddressFamily.VALUE)
95 .setSafi(MplsLabeledVpnSubsequentAddressFamily.VALUE);
96 mpBuilder.setAdvertizedRoutes(
97 new AdvertizedRoutesBuilder().setDestinationType(
98 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv4.rev180329.update
99 .attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationVpnIpv4CaseBuilder()
100 .setVpnIpv4Destination(new VpnIpv4DestinationBuilder().setVpnDestination(
101 List.of(new VpnDestinationBuilder(IPV4_VPN).setPathId(null)
102 .build())).build()).build()).build()).build();
104 final MpReachNlri mpReachExpected = mpBuilder.build();
106 final MpReachNlriBuilder testBuilder = new MpReachNlriBuilder()
107 .setAfi(Ipv4AddressFamily.VALUE)
108 .setSafi(MplsLabeledVpnSubsequentAddressFamily.VALUE);
109 PARSER.parseNlri(Unpooled.copiedBuffer(REACH_NLRI), testBuilder, null);
110 assertEquals(mpReachExpected, testBuilder.build());
112 final ByteBuf output = Unpooled.buffer();
113 PARSER.serializeAttribute(new AttributesBuilder()
114 .addAugmentation(new AttributesReachBuilder().setMpReachNlri(mpReachExpected).build())
116 assertArrayEquals(REACH_NLRI, ByteArray.readAllBytes(output));
120 public void testMpUnreachNlri() throws BGPParsingException {
121 final MpUnreachNlriBuilder mpBuilder = new MpUnreachNlriBuilder()
122 .setAfi(Ipv4AddressFamily.VALUE)
123 .setSafi(MplsLabeledVpnSubsequentAddressFamily.VALUE);
125 mpBuilder.setWithdrawnRoutes(
126 new WithdrawnRoutesBuilder().setDestinationType(
127 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv4.rev180329.update
128 .attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationVpnIpv4CaseBuilder()
129 .setVpnIpv4Destination(new VpnIpv4DestinationBuilder().setVpnDestination(
130 List.of(IPV4_VPN_WITHOUT_LABELS)).build()).build()).build()).build();
131 final MpUnreachNlri mpUnreachExpected1 = mpBuilder.build();
133 mpBuilder.setWithdrawnRoutes(
134 new WithdrawnRoutesBuilder().setDestinationType(
135 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.vpn.ipv4.rev180329.update
136 .attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationVpnIpv4CaseBuilder()
137 .setVpnIpv4Destination(new VpnIpv4DestinationBuilder().setVpnDestination(
138 List.of(IPV4_VPN)).build()).build()).build()).build();
139 final MpUnreachNlri mpUnreachExpected2 = mpBuilder.build();
141 final MpUnreachNlriBuilder testBuilder = new MpUnreachNlriBuilder()
142 .setAfi(Ipv4AddressFamily.VALUE)
143 .setSafi(MplsLabeledVpnSubsequentAddressFamily.VALUE);
144 PARSER.parseNlri(Unpooled.copiedBuffer(UNREACH_NLRI), testBuilder, null);
145 assertEquals(mpUnreachExpected1, testBuilder.build());
147 final ByteBuf output = Unpooled.buffer();
148 PARSER.serializeAttribute(new AttributesBuilder()
149 .addAugmentation(new AttributesUnreachBuilder().setMpUnreachNlri(mpUnreachExpected2).build())
151 assertArrayEquals(UNREACH_NLRI, ByteArray.readAllBytes(output));