bgp/extensions/linkstate/src/test/java/org/opendaylight/protocol/bgp/linkstate/SrAttributeParserTest.java

   1 /*
   2  * Copyright (c) 2015 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.linkstate;
   9
  10 import static org.junit.Assert.assertArrayEquals;
  11 import static org.junit.Assert.assertEquals;
  12
  13 import com.google.common.collect.Lists;
  14 import com.google.common.primitives.Bytes;
  15 import io.netty.buffer.ByteBuf;
  16 import io.netty.buffer.Unpooled;
  17 import java.util.ArrayList;
  18 import java.util.Collections;
  19 import java.util.List;
  20 import org.junit.Before;
  21 import org.junit.Test;
  22 import org.opendaylight.protocol.bgp.linkstate.impl.BGPActivator;
  23 import org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.Ipv6SrPrefixAttributesParser;
  24 import org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.RangeTlvParser;
  25 import org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.SrLinkAttributesParser;
  26 import org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.SrNodeAttributesParser;
  27 import org.opendaylight.protocol.bgp.linkstate.impl.attribute.sr.SrPrefixAttributesParser;
  28 import org.opendaylight.protocol.bgp.parser.spi.BGPExtensionProviderContext;
  29 import org.opendaylight.protocol.bgp.parser.spi.pojo.SimpleBGPExtensionProviderContext;
  30 import org.opendaylight.protocol.rsvp.parser.spi.pojo.ServiceLoaderRSVPExtensionProviderContext;
  31 import org.opendaylight.protocol.util.ByteArray;
  32 import org.opendaylight.protocol.util.Ipv6Util;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
  34 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
  35 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6AddressNoZone;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.ProtocolId;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.attribute.SrAdjIds;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.attribute.SrAdjIdsBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.attribute.SrLanAdjIds;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.attribute.SrLanAdjIdsBuilder;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.state.SrAlgorithm;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.state.SrAlgorithmBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.state.SrCapabilities;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.state.SrCapabilitiesBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.prefix.state.Ipv6SrPrefix;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.prefix.state.Ipv6SrPrefixBuilder;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.prefix.state.SrPrefix;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.prefix.state.SrPrefixBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.prefix.state.SrRange;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.prefix.state.SrRangeBuilder;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.Algorithm;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.Weight;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.adj.flags.flags.IsisAdjFlagsCase;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.adj.flags.flags.IsisAdjFlagsCaseBuilder;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.adj.flags.flags.OspfAdjFlagsCase;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.adj.flags.flags.OspfAdjFlagsCaseBuilder;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.adj.flags.flags.isis.adj.flags._case.IsisAdjFlagsBuilder;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.adj.flags.flags.ospf.adj.flags._case.OspfAdjFlagsBuilder;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sid.tlv.BindingSubTlvs;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sid.tlv.BindingSubTlvsBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sid.tlv.flags.IsisBindingFlagsCase;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sid.tlv.flags.IsisBindingFlagsCaseBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.EroMetricCaseBuilder;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.Ipv4EroBackupCaseBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.Ipv4EroCaseBuilder;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.Ipv6EroBackupCaseBuilder;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.Ipv6EroCaseBuilder;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.PrefixSidCaseBuilder;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.SidLabelCaseBuilder;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.UnnumberedInterfaceIdBackupEroCaseBuilder;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.UnnumberedInterfaceIdEroCaseBuilder;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.ipv4.ero._case.Ipv4EroBuilder;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.ipv4.ero.backup._case.Ipv4EroBackupBuilder;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.ipv6.ero._case.Ipv6EroBuilder;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.ipv6.ero.backup._case.Ipv6EroBackupBuilder;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.prefix.sid._case.PrefixSidBuilder;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.unnumbered._interface.id.backup.ero._case.UnnumberedInterfaceIdBackupEroBuilder;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.binding.sub.tlvs.binding.sub.tlv.unnumbered._interface.id.ero._case.UnnumberedInterfaceIdEroBuilder;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.prefix.sid.tlv.flags.IsisPrefixFlagsCase;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.prefix.sid.tlv.flags.IsisPrefixFlagsCaseBuilder;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.prefix.sid.tlv.flags.OspfPrefixFlagsCase;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.prefix.sid.tlv.flags.OspfPrefixFlagsCaseBuilder;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.prefix.sid.tlv.flags.isis.prefix.flags._case.IsisPrefixFlagsBuilder;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.prefix.sid.tlv.flags.ospf.prefix.flags._case.OspfPrefixFlagsBuilder;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.range.sub.tlvs.range.sub.tlv.BindingSidTlvCaseBuilder;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.range.sub.tlvs.range.sub.tlv.PrefixSidTlvCaseBuilder;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.range.sub.tlvs.range.sub.tlv.SidLabelTlvCaseBuilder;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.range.sub.tlvs.range.sub.tlv.prefix.sid.tlv._case.PrefixSidTlvBuilder;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.range.tlv.SubTlvs;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.range.tlv.SubTlvsBuilder;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.sid.label.index.sid.label.index.Ipv6AddressCaseBuilder;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.sid.label.index.sid.label.index.LocalLabelCaseBuilder;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.segment.routing.ext.rev151014.sid.label.index.sid.label.index.SidCaseBuilder;
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.IsoSystemIdentifier;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.MplsLabel;
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.TeMetric;
  97 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.uint24.rev200104.Uint24;
  98 import org.opendaylight.yangtools.yang.common.Uint16;
  99 import org.opendaylight.yangtools.yang.common.Uint32;
 100 import org.opendaylight.yangtools.yang.common.Uint8;
 101
 102 public class SrAttributeParserTest {
 103
 104     private static final byte[] IPV6_A_BYTES = { 0x20, 1, 0x0d, (byte) 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
 105     private static final Ipv6Address IPV6_A = new Ipv6Address("2001:db8::1");
 106     private static final byte[] IPV6_B_BYTES = { 0x20, 1, 0x0d, (byte) 0xb8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2 };
 107     private static final Ipv6Address IPV6_B = new Ipv6Address("2001:db8::2");
 108
 109     private static final IsisPrefixFlagsCase ISIS_PREFIX_FLAGS = new IsisPrefixFlagsCaseBuilder()
 110             .setIsisPrefixFlags(new IsisPrefixFlagsBuilder()
 111                 .setReadvertisement(Boolean.TRUE)
 112                 .setNodeSid(Boolean.FALSE)
 113                 .setNoPhp(Boolean.TRUE)
 114                 .setExplicitNull(Boolean.FALSE)
 115                 .build())
 116             .build();
 117     private static final OspfPrefixFlagsCase OSPF_PREFIX_FLAGS = new OspfPrefixFlagsCaseBuilder()
 118             .setOspfPrefixFlags(new OspfPrefixFlagsBuilder()
 119                 .setNoPhp(Boolean.FALSE)
 120                 .setMappingServer(Boolean.TRUE)
 121                 .setExplicitNull(Boolean.FALSE)
 122                 .build())
 123             .build();
 124
 125     private static final IsisBindingFlagsCase BINDING_FLAGS = new IsisBindingFlagsCaseBuilder()
 126         .setAddressFamily(Boolean.FALSE)
 127         .setMirrorContext(Boolean.TRUE)
 128         .setSpreadTlv(Boolean.FALSE)
 129         .setLeakedFromLevel2(Boolean.FALSE)
 130         .setAttachedFlag(Boolean.TRUE)
 131         .build();
 132
 133     private static final IsisAdjFlagsCase ISIS_ADJ_FLAGS = new IsisAdjFlagsCaseBuilder()
 134             .setIsisAdjFlags(new IsisAdjFlagsBuilder()
 135                 .setAddressFamily(Boolean.FALSE)
 136                 .setBackup(Boolean.TRUE)
 137                 .setSet(Boolean.FALSE)
 138                 .build())
 139             .build();
 140     private static final OspfAdjFlagsCase OSPF_ADJ_FLAGS = new OspfAdjFlagsCaseBuilder()
 141             .setOspfAdjFlags(new OspfAdjFlagsBuilder()
 142                 .setBackup(Boolean.TRUE)
 143                 .setSet(Boolean.FALSE)
 144                 .build())
 145             .build();
 146     private static final OspfAdjFlagsCase OSPF_LAN_ADJ_FLAGS = new OspfAdjFlagsCaseBuilder()
 147             .setOspfAdjFlags(new OspfAdjFlagsBuilder()
 148                 .setBackup(Boolean.FALSE)
 149                 .setSet(Boolean.FALSE)
 150                 .build())
 151             .build();
 152
 153     @Before
 154     public void setUp() throws Exception {
 155         final BGPActivator act = new BGPActivator(true,
 156             ServiceLoaderRSVPExtensionProviderContext.getSingletonInstance().getRsvpRegistry());
 157         final BGPExtensionProviderContext context = new SimpleBGPExtensionProviderContext();
 158         act.start(context);
 159     }
 160
 161     @Test
 162     public void testSrAlgorithm() {
 163         final byte[] bytes = { 0 };
 164         final SrAlgorithm alg = new SrAlgorithmBuilder().setAlgorithms(Lists.newArrayList(Algorithm.ShortestPathFirst))
 165                 .build();
 166         final SrAlgorithm empty = new SrAlgorithmBuilder().setAlgorithms(Collections.emptyList()).build();
 167         assertEquals(alg, SrNodeAttributesParser.parseSrAlgorithms(Unpooled.wrappedBuffer(bytes)));
 168         final ByteBuf b = Unpooled.buffer();
 169         assertEquals(empty, SrNodeAttributesParser.parseSrAlgorithms(b));
 170         SrNodeAttributesParser.serializeSrAlgorithms(alg, b);
 171         assertArrayEquals(bytes, ByteArray.readAllBytes(b));
 172
 173         SrNodeAttributesParser.serializeSrAlgorithms(empty, b);
 174         assertEquals(0, b.readableBytes());
 175     }
 176
 177     // tools.ietf.org/html/draft-gredler-idr-bgp-ls-segment-routing-ext-00#section-2.1.1
 178     @Test
 179     public void testSrCapabilities() {
 180         final byte[] bytesIsis = { (byte)0xC0, 0, 0, 0, 10, 4, (byte)0x89, 0, 4, 1, 2, 3, 4 };
 181         final byte[] bytesOspf = { 0, 0, 0, 0, 10, 4, (byte)0x89, 0, 4, 1, 2, 3, 4 };
 182         final SrCapabilities capsIsis = new SrCapabilitiesBuilder().setMplsIpv4(Boolean.TRUE).setMplsIpv6(Boolean.TRUE)
 183                 .setSrIpv6(Boolean.FALSE)
 184                 .setSidLabelIndex(new SidCaseBuilder().setSid(Uint32.valueOf(16909060L)).build())
 185                 .setRangeSize(new Uint24(Uint32.TEN)).build();
 186         final SrCapabilities capsOspf = new SrCapabilitiesBuilder().setMplsIpv4(Boolean.FALSE)
 187                 .setMplsIpv6(Boolean.FALSE).setSrIpv6(Boolean.FALSE)
 188                 .setSidLabelIndex(new SidCaseBuilder().setSid(Uint32.valueOf(16909060L)).build())
 189                 .setRangeSize(new Uint24(Uint32.TEN)).build();
 190         assertEquals(capsIsis,
 191             SrNodeAttributesParser.parseSrCapabilities(Unpooled.wrappedBuffer(bytesIsis), ProtocolId.IsisLevel1));
 192         assertEquals(capsOspf,
 193             SrNodeAttributesParser.parseSrCapabilities(Unpooled.wrappedBuffer(bytesIsis), ProtocolId.Ospf));
 194         final ByteBuf encodedIsis = Unpooled.buffer();
 195         final ByteBuf encodedOspf = Unpooled.buffer();
 196         SrNodeAttributesParser.serializeSrCapabilities(capsIsis, encodedIsis);
 197         SrNodeAttributesParser.serializeSrCapabilities(capsOspf, encodedOspf);
 198         assertArrayEquals(bytesIsis, ByteArray.readAllBytes(encodedIsis));
 199         assertArrayEquals(bytesOspf, ByteArray.readAllBytes(encodedOspf));
 200     }
 201
 202     // tools.ietf.org/html/draft-gredler-idr-bgp-ls-segment-routing-ext-00#section-2.3.1
 203     @Test
 204     public void testSrPrefix() {
 205         final byte[] bytes = { (byte)0xA0, 0, 0, 0, 1, 2, 3, 4 };
 206         final byte[] bytesOspf = { (byte)0x20, 0, 0, 0, 1, 2, 3, 4 };
 207         final SrPrefix prefixIsis = new SrPrefixBuilder()
 208             .setFlags(ISIS_PREFIX_FLAGS)
 209             .setAlgorithm(Algorithm.ShortestPathFirst)
 210             .setSidLabelIndex(new SidCaseBuilder().setSid(Uint32.valueOf(16909060L)).build())
 211             .build();
 212         final SrPrefix prefixOspf = new SrPrefixBuilder()
 213             .setFlags(OSPF_PREFIX_FLAGS)
 214             .setAlgorithm(Algorithm.ShortestPathFirst)
 215             .setSidLabelIndex(new SidCaseBuilder().setSid(Uint32.valueOf(16909060L)).build())
 216             .build();
 217         assertEquals(prefixIsis,
 218             SrPrefixAttributesParser.parseSrPrefix(Unpooled.wrappedBuffer(bytes), ProtocolId.IsisLevel1));
 219         assertEquals(prefixOspf,
 220             SrPrefixAttributesParser.parseSrPrefix(Unpooled.wrappedBuffer(bytes), ProtocolId.Ospf));
 221         final ByteBuf serializedPrefix = Unpooled.buffer();
 222         final ByteBuf serializedPrefixOspf = Unpooled.buffer();
 223         SrPrefixAttributesParser.serializeSrPrefix(prefixIsis, serializedPrefix);
 224         SrPrefixAttributesParser.serializeSrPrefix(prefixOspf, serializedPrefixOspf);
 225         assertArrayEquals(bytes, ByteArray.readAllBytes(serializedPrefix));
 226         assertArrayEquals(bytesOspf, ByteArray.readAllBytes(serializedPrefixOspf));
 227     }
 228
 229     // https://tools.ietf.org/html/draft-gredler-idr-bgp-ls-segment-routing-ext-02#section-2.3.2
 230     @Test
 231     public void testIpv6SrPrefix() {
 232         final byte[] bytes = { 0, 0, 0};
 233         final Ipv6SrPrefix prefix = new Ipv6SrPrefixBuilder().setAlgorithm(Algorithm.ShortestPathFirst).build();
 234         assertEquals(prefix, Ipv6SrPrefixAttributesParser.parseSrIpv6Prefix(Unpooled.wrappedBuffer(bytes)));
 235         final ByteBuf serializedPrefix = Unpooled.buffer();
 236         Ipv6SrPrefixAttributesParser.serializeIpv6SrPrefix(prefix, serializedPrefix);
 237         assertArrayEquals(bytes, ByteArray.readAllBytes(serializedPrefix));
 238     }
 239
 240     // tools.ietf.org/html/draft-gredler-idr-bgp-ls-segment-routing-ext-00#section-2.3.2
 241     @Test
 242     public void testRangeTlv() {
 243         final byte[] tested = {
 244             0, 0, 0, 5,
 245             4, (byte)0x89, 0, 4, 1, 2, 3, 4, // sid
 246             4, (byte)0x86, 0, 7, (byte)0xac, 1, 0, 0, 1, 2, 0, // prefix + mpls label
 247             4, (byte)0x88, 0, 0x58, 5, 0x48, 0, 0, // binding sid
 248             // binding sub-tlvs
 249             4, (byte)0x86, 0, 8, (byte)0xa0, 1, 0, 0, 1, 2, 3, 4, // prefix
 250             4, (byte)0x89, 0, 4, 1, 2, 3, 4, // sid
 251             4, (byte)0x8a, 0, 4, 0, 0, 0, 6, // ero metric
 252             4, (byte)0x8b, 0, 8, 0, 0, 0, 0, 9, 8, 7, 6,  // IPv4 ERO
 253             4, (byte)0x8d, 0, 0x0c, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, // Unnumbered Interface ID ERO Sub-TLV
 254             4, (byte)0x8e, 0, 8, 0, 0, 0, 0, 3, 4, 5, 6, // IPv4 ERO backup
 255             4, (byte)0x90, 0, 0x0c, 0, 0, 0, 0, 3, 3, 3, 3, 4, 4, 4, 4, // Unnumbered Interface ID ERO Sub-TLV Backup
 256         };
 257         final SrRange parsedRange = RangeTlvParser.parseSrRange(Unpooled.wrappedBuffer(tested), ProtocolId.IsisLevel1);
 258
 259         final List<SubTlvs> rangeSubTlvs = new ArrayList<>();
 260         addSubTlvs(rangeSubTlvs);
 261         final SrRange expected = new SrRangeBuilder().setInterArea(Boolean.FALSE).setRangeSize(Uint16.valueOf(5))
 262                 .setSubTlvs(rangeSubTlvs).build();
 263
 264         assertEquals(expected, parsedRange);
 265
 266         final ByteBuf serializedRange = Unpooled.buffer();
 267         RangeTlvParser.serializeSrRange(parsedRange, serializedRange);
 268         assertArrayEquals(tested, ByteArray.getAllBytes(serializedRange));
 269     }
 270
 271     private static void addSubTlvs(final List<SubTlvs> rangeSubTlvs) {
 272         rangeSubTlvs.add(new SubTlvsBuilder()
 273             .setRangeSubTlv(new SidLabelTlvCaseBuilder()
 274                 .setSidLabelIndex(new SidCaseBuilder().setSid(Uint32.valueOf(16909060L)).build())
 275                 .build())
 276             .build());
 277         rangeSubTlvs.add(new SubTlvsBuilder()
 278             .setRangeSubTlv(new PrefixSidTlvCaseBuilder()
 279                 .setPrefixSidTlv(new PrefixSidTlvBuilder()
 280                     .setFlags(ISIS_PREFIX_FLAGS)
 281                     .setAlgorithm(Algorithm.StrictShortestPathFirst)
 282                     .setSidLabelIndex(new LocalLabelCaseBuilder()
 283                         .setLocalLabel(new MplsLabel(Uint32.valueOf(66048)))
 284                         .build())
 285                     .build())
 286                 .build())
 287             .build());
 288         final List<BindingSubTlvs> bindingSubTlvs = new ArrayList<>();
 289         addBindingSubTlvs(bindingSubTlvs);
 290         rangeSubTlvs.add(new SubTlvsBuilder().setRangeSubTlv(
 291             new BindingSidTlvCaseBuilder()
 292                 .setWeight(new Weight(Uint8.valueOf(5)))
 293                 .setFlags(BINDING_FLAGS)
 294                 .setBindingSubTlvs(bindingSubTlvs).build()).build());
 295     }
 296
 297     private static void addBindingSubTlvs(final List<BindingSubTlvs> bindingSubTlvs) {
 298         bindingSubTlvs.add(new BindingSubTlvsBuilder()
 299             .setBindingSubTlv(new PrefixSidCaseBuilder()
 300                 .setPrefixSid(new PrefixSidBuilder()
 301                     .setFlags(ISIS_PREFIX_FLAGS)
 302                     .setAlgorithm(Algorithm.StrictShortestPathFirst)
 303                     .setSidLabelIndex(new SidCaseBuilder().setSid(Uint32.valueOf(16909060L)).build())
 304                     .build())
 305                 .build())
 306             .build());
 307         bindingSubTlvs.add(new BindingSubTlvsBuilder()
 308             .setBindingSubTlv(new SidLabelCaseBuilder()
 309                 .setSidLabelIndex(new SidCaseBuilder().setSid(Uint32.valueOf(16909060L)).build())
 310                 .build())
 311             .build());
 312         bindingSubTlvs.add(new BindingSubTlvsBuilder().setBindingSubTlv(
 313             new EroMetricCaseBuilder().setEroMetric(new TeMetric(Uint32.valueOf(6))).build()).build());
 314         bindingSubTlvs.add(new BindingSubTlvsBuilder()
 315             .setBindingSubTlv(new Ipv4EroCaseBuilder()
 316                 .setIpv4Ero(new Ipv4EroBuilder()
 317                     .setLoose(Boolean.FALSE)
 318                     .setAddress(new Ipv4AddressNoZone("9.8.7.6"))
 319                     .build())
 320                 .build())
 321             .build());
 322         bindingSubTlvs.add(new BindingSubTlvsBuilder()
 323             .setBindingSubTlv(new UnnumberedInterfaceIdEroCaseBuilder()
 324                 .setUnnumberedInterfaceIdEro(new UnnumberedInterfaceIdEroBuilder()
 325                     .setLoose(Boolean.FALSE)
 326                     .setRouterId(Uint32.valueOf(16843009L))
 327                     .setInterfaceId(Uint32.valueOf(33686018L))
 328                     .build())
 329                 .build())
 330             .build());
 331         bindingSubTlvs.add(new BindingSubTlvsBuilder()
 332             .setBindingSubTlv(new Ipv4EroBackupCaseBuilder()
 333                 .setIpv4EroBackup(new Ipv4EroBackupBuilder()
 334                     .setLoose(Boolean.FALSE).setAddress(new Ipv4AddressNoZone("3.4.5.6"))
 335                     .build())
 336                 .build())
 337             .build());
 338         bindingSubTlvs.add(new BindingSubTlvsBuilder()
 339             .setBindingSubTlv(new UnnumberedInterfaceIdBackupEroCaseBuilder()
 340                 .setUnnumberedInterfaceIdBackupEro(new UnnumberedInterfaceIdBackupEroBuilder()
 341                     .setLoose(Boolean.FALSE)
 342                     .setRouterId(Uint32.valueOf(50529027L))
 343                     .setInterfaceId(Uint32.valueOf(67372036L))
 344                     .build())
 345                 .build())
 346             .build());
 347     }
 348
 349     @Test
 350     public void testRangeTlvIpv6() {
 351         final byte[] tested = Bytes.concat(
 352             new byte[] {
 353                 0, 0, 0, 5,
 354                 4, (byte)0x88, 0, 0x34, 5, 0x48, 0, 0, // binding sid
 355                 // binding sub-tlvs
 356                 4, (byte)0x8c, 0, 0x14, 0, 0, 0, 0 }, IPV6_A_BYTES, // IPv6 ERO
 357                     new byte[] { 4, (byte)0x8f, 0, 0x14, 0, 0, 0, 0 }, IPV6_B_BYTES // IPv6 ERO backup
 358             );
 359         final SrRange parsedRange = RangeTlvParser.parseSrRange(Unpooled.wrappedBuffer(tested), ProtocolId.IsisLevel1);
 360
 361         final List<SubTlvs> rangeSubTlvs = new ArrayList<>();
 362         final List<BindingSubTlvs> bindingSubTlvs = new ArrayList<>();
 363         bindingSubTlvs.add(new BindingSubTlvsBuilder()
 364             .setBindingSubTlv(new Ipv6EroCaseBuilder()
 365                 .setIpv6Ero(new Ipv6EroBuilder()
 366                     .setLoose(Boolean.FALSE).setAddress(new Ipv6AddressNoZone(IPV6_A))
 367                     .build())
 368                 .build())
 369             .build());
 370         bindingSubTlvs.add(new BindingSubTlvsBuilder()
 371             .setBindingSubTlv(new Ipv6EroBackupCaseBuilder()
 372                 .setIpv6EroBackup(new Ipv6EroBackupBuilder()
 373                     .setLoose(Boolean.FALSE).setAddress(new Ipv6AddressNoZone(IPV6_B))
 374                     .build())
 375                 .build())
 376             .build());
 377         rangeSubTlvs.add(new SubTlvsBuilder().setRangeSubTlv(
 378             new BindingSidTlvCaseBuilder()
 379                 .setWeight(new Weight(Uint8.valueOf(5)))
 380                 .setFlags(BINDING_FLAGS)
 381                 .setBindingSubTlvs(bindingSubTlvs).build()).build());
 382         final SrRange expected = new SrRangeBuilder().setInterArea(Boolean.FALSE).setRangeSize(Uint16.valueOf(5))
 383                 .setSubTlvs(rangeSubTlvs).build();
 384
 385         assertEquals(expected, parsedRange);
 386
 387         final ByteBuf serializedRange = Unpooled.buffer();
 388         RangeTlvParser.serializeSrRange(parsedRange, serializedRange);
 389         assertArrayEquals(tested, ByteArray.getAllBytes(serializedRange));
 390     }
 391
 392     // tools.ietf.org/html/draft-gredler-idr-bgp-ls-segment-routing-ext-00#section-2.2.1
 393     @Test
 394     public void testSrAdjId() {
 395         final byte[] tested = { (byte)0x60, 10, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
 396         final byte[] testedOspf = { (byte)0xc0, 10, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
 397         final byte[] sidLabel = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
 398         final SrAdjIds srAdjId = new SrAdjIdsBuilder()
 399             .setFlags(ISIS_ADJ_FLAGS)
 400             .setWeight(new Weight(Uint8.TEN))
 401             .setSidLabelIndex(new Ipv6AddressCaseBuilder().setIpv6Address(
 402                 Ipv6Util.addressForByteBuf(Unpooled.copiedBuffer(sidLabel))).build()).build();
 403         final SrAdjIds ospfAdj = new SrAdjIdsBuilder()
 404             .setFlags(OSPF_ADJ_FLAGS)
 405             .setWeight(new Weight(Uint8.TEN))
 406             .setSidLabelIndex(new Ipv6AddressCaseBuilder().setIpv6Address(
 407                 Ipv6Util.addressForByteBuf(Unpooled.copiedBuffer(sidLabel))).build()).build();
 408
 409         assertEquals(srAdjId, new SrAdjIdsBuilder(SrLinkAttributesParser.parseAdjacencySegmentIdentifier(
 410             Unpooled.wrappedBuffer(tested), ProtocolId.IsisLevel1)).build());
 411         assertEquals(ospfAdj, new SrAdjIdsBuilder(SrLinkAttributesParser.parseAdjacencySegmentIdentifier(
 412             Unpooled.wrappedBuffer(testedOspf), ProtocolId.Ospf)).build());
 413         final ByteBuf serializedData = SrLinkAttributesParser.serializeAdjacencySegmentIdentifier(srAdjId);
 414         final ByteBuf serializedOspf = SrLinkAttributesParser.serializeAdjacencySegmentIdentifier(ospfAdj);
 415         assertArrayEquals(tested, ByteArray.readAllBytes(serializedData));
 416         assertArrayEquals(testedOspf, ByteArray.readAllBytes(serializedOspf));
 417     }
 418
 419     @Test
 420     public void testSrLanAdjIdOspf() {
 421         final byte[] tested = { (byte)0x60, 10, 0, 0, 1, 2, 3, 4, 0,  0x5d, (byte)0xc0 };
 422         final SrLanAdjIds srLanAdjId = new SrLanAdjIdsBuilder()
 423             .setFlags(OSPF_LAN_ADJ_FLAGS)
 424             .setWeight(new Weight(Uint8.TEN))
 425             .setNeighborId(new Ipv4AddressNoZone("1.2.3.4"))
 426             .setSidLabelIndex(new LocalLabelCaseBuilder()
 427                 .setLocalLabel(new MplsLabel(Uint32.valueOf(24000L)))
 428                 .build())
 429             .build();
 430         assertEquals(srLanAdjId, SrLinkAttributesParser.parseLanAdjacencySegmentIdentifier(
 431             Unpooled.wrappedBuffer(tested), ProtocolId.Ospf));
 432         final ByteBuf serializedData = SrLinkAttributesParser.serializeLanAdjacencySegmentIdentifier(srLanAdjId);
 433         assertArrayEquals(tested, ByteArray.readAllBytes(serializedData));
 434     }
 435
 436     @Test
 437     public void testSrLanAdjIdIsis() {
 438         final byte[] tested = { (byte)0x60, 10, 0, 0, 1, 2, 3, 4, 5, 6, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
 439             15, 16 };
 440         final byte[] sidLabel = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
 441         final byte[] systemId = { 1, 2, 3, 4, 5, 6 };
 442         final SrLanAdjIds srLanAdjId = new SrLanAdjIdsBuilder()
 443             .setFlags(ISIS_ADJ_FLAGS)
 444             .setWeight(new Weight(Uint8.TEN))
 445             .setIsoSystemId(new IsoSystemIdentifier(systemId))
 446             .setSidLabelIndex(new Ipv6AddressCaseBuilder().setIpv6Address(Ipv6Util.addressForByteBuf(
 447                 Unpooled.copiedBuffer(sidLabel))).build()).build();
 448         assertEquals(srLanAdjId, SrLinkAttributesParser.parseLanAdjacencySegmentIdentifier(
 449             Unpooled.wrappedBuffer(tested), ProtocolId.IsisLevel1));
 450         final ByteBuf serializedData = SrLinkAttributesParser.serializeLanAdjacencySegmentIdentifier(srLanAdjId);
 451         assertArrayEquals(tested, ByteArray.readAllBytes(serializedData));
 452     }
 453 }