Examples with SegmentsBuilder org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.attributes.as.path.SegmentsBuilder used on opensource projects

Example 1 with SegmentsBuilder

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.attributes.as.path.SegmentsBuilder in project bgpcep by opendaylight.

the class AsPathLengthTest method testASPathLengthEq.

@Test
public void testASPathLengthEq() {
    final AsPathBuilder asPath = new AsPathBuilder();
    asPath.setSegments(Collections.singletonList(new SegmentsBuilder().setAsSequence(Arrays.asList(AsNumber.getDefaultInstance("1"), AsNumber.getDefaultInstance("2"), AsNumber.getDefaultInstance("3"))).build()));
    Statement statement = this.basicStatements.stream().filter(st -> st.getName().equals("as-path-eq-length-test")).findFirst().get();
    RouteAttributeContainer attributeContainer = routeAttributeContainerFalse(new AttributesBuilder().setAsPath(asPath.build()).build());
    RouteAttributeContainer result = this.statementRegistry.applyExportStatement(this.baseAttributes, this.exportParameters, attributeContainer, statement);
    assertNotNull(result.getAttributes());
    asPath.setSegments(Collections.singletonList(new SegmentsBuilder().setAsSequence(Arrays.asList(AsNumber.getDefaultInstance("1"), AsNumber.getDefaultInstance("3"))).build()));
    attributeContainer = routeAttributeContainerFalse(new AttributesBuilder().setAsPath(asPath.build()).build());
    result = this.statementRegistry.applyExportStatement(this.baseAttributes, this.exportParameters, attributeContainer, statement);
    assertNull(result.getAttributes());
}

Example 2 with SegmentsBuilder

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.attributes.as.path.SegmentsBuilder in project bgpcep by opendaylight.

the class AsPathPrepend method applyExportAction.

@Override
public Attributes applyExportAction(final RouteEntryBaseAttributes routeEntryInfo, final BGPRouteEntryExportParameters exportParameters, final Attributes attributes, final SetAsPathPrepend actions) {
    final List<Segments> oldSegments = attributes.getAsPath().getSegments();
    /*
         * We need to check the first segment.
         * If it has as-set then new as-sequence with local AS is prepended.
         * If it has as-sequence, we may add local AS when it has less than 255 elements.
         * Otherwise we need to create new as-sequence for local AS.
         */
    final ArrayList<AsNumber> newAsSequence = new ArrayList<>();
    newAsSequence.add(new AsNumber(routeEntryInfo.getLocalAs()));
    List<Segments> newSegments = new ArrayList<>();
    if (oldSegments == null || oldSegments.isEmpty()) {
        newSegments = Collections.singletonList(new SegmentsBuilder().setAsSequence(newAsSequence).build());
    } else {
        final Segments firstSegment = oldSegments.remove(0);
        final List<AsNumber> firstAsSequence = firstSegment.getAsSequence();
        if (firstAsSequence != null && firstAsSequence.size() < Values.UNSIGNED_BYTE_MAX_VALUE) {
            newAsSequence.addAll(firstAsSequence);
            newSegments.add(new SegmentsBuilder().setAsSequence(newAsSequence).build());
        } else {
            newSegments.add(new SegmentsBuilder().setAsSequence(newAsSequence).build());
            newSegments.add(firstSegment);
        }
        newSegments.addAll(oldSegments);
    }
    return new AttributesBuilder(attributes).setAsPath(new AsPathBuilder().setSegments(newSegments).build()).build();
}

Example 3 with SegmentsBuilder

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.attributes.as.path.SegmentsBuilder in project bgpcep by opendaylight.

the class BGPMessageParserMockTest method fillMessages.

/**
 * Helper method to fill messages variable.
 *
 * @param asn this parameter is passed to ASNumber constructor
 */
private static Update fillMessages(final long asn) {
    final UpdateBuilder builder = new UpdateBuilder();
    final List<Segments> asPath = Lists.newArrayList();
    asPath.add(new SegmentsBuilder().setAsSequence(Lists.newArrayList(new AsNumber(asn))).build());
    final CNextHop nextHop = new Ipv6NextHopCaseBuilder().setIpv6NextHop(new Ipv6NextHopBuilder().setGlobal(new Ipv6Address("2001:db8::1")).setLinkLocal(new Ipv6Address("fe80::c001:bff:fe7e:0")).build()).build();
    final Ipv6Prefix pref1 = new Ipv6Prefix("2001:db8:1:2::/64");
    final Ipv6Prefix pref2 = new Ipv6Prefix("2001:db8:1:1::/64");
    final Ipv6Prefix pref3 = new Ipv6Prefix("2001:db8:1::/64");
    final AttributesBuilder paBuilder = new AttributesBuilder();
    paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
    paBuilder.setAsPath(new AsPathBuilder().setSegments(asPath).build());
    final MpReachNlriBuilder mpReachBuilder = new MpReachNlriBuilder();
    mpReachBuilder.setAfi(Ipv6AddressFamily.class);
    mpReachBuilder.setSafi(UnicastSubsequentAddressFamily.class);
    mpReachBuilder.setCNextHop(nextHop);
    mpReachBuilder.setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(new DestinationIpv6CaseBuilder().setDestinationIpv6(new DestinationIpv6Builder().setIpv6Prefixes(Lists.newArrayList(new Ipv6PrefixesBuilder().setPrefix(pref1).build(), new Ipv6PrefixesBuilder().setPrefix(pref2).build(), new Ipv6PrefixesBuilder().setPrefix(pref3).build())).build()).build()).build());
    paBuilder.addAugmentation(Attributes1.class, new Attributes1Builder().setMpReachNlri(mpReachBuilder.build()).build());
    builder.setAttributes(paBuilder.build());
    return builder.build();
}

Example 4 with SegmentsBuilder

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.attributes.as.path.SegmentsBuilder in project bgpcep by opendaylight.

the class BGPParserTest method testGetUpdateMessage1.

/*
     * Tests IPv4 NEXT_HOP, ATOMIC_AGGREGATE, COMMUNITY, NLRI
     *
     * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
     * 00 54 <- length (84) - including header
     * 02 <- message type
     * 00 00 <- withdrawn routes length
     * 00 31 <- total path attribute length (49)
     * 40 <- attribute flags
     * 01 <- attribute type code (origin)
     * 01 <- attribute length
     * 00 <- Origin value (IGP)
     * 40 <- attribute flags
     * 02 <- attribute type code (as path)
     * 06 <- attribute length
     * 02 <- AS_SEQUENCE
     * 01 <- path segment count
     * 00 00 fd ea <- path segment value (65002)
     * 40 <- attribute flags
     * 03 <- attribute type code (Next Hop)
     * 04 <- attribute length
     * 10 00 00 02 <- value (10.0.0.2)
     * 80 <- attribute flags
     * 04 <- attribute type code (multi exit disc)
     * 04 <- attribute length
     * 00 00 00 00 <- value
     * 60 <- attribute flags
     * 06 <- attribute type code (atomic aggregate)
     * 00 <- attribute length
     * 40 <- attribute flags
     * 08 <- attribute type code (community)
     * 10 <- attribute length FF FF FF
     * 01 <- value (NO_EXPORT)
     * FF FF FF 02 <- value (NO_ADVERTISE)
     * FF FF FF 03 <- value (NO_EXPORT_SUBCONFED)
     * FF FF FF 10 <- unknown Community
     *
     * //NLRI
     * 18 ac 11 02 <- IPv4 Prefix (172.17.2.0 / 24)
     * 18 ac 11 01 <- IPv4 Prefix (172.17.1.0 / 24)
     * 18 ac 11 00 <- IPv4 Prefix (172.17.0.0 / 24)
     */
@Test
public void testGetUpdateMessage1() throws Exception {
    final byte[] body = ByteArray.cutBytes(inputBytes.get(0), MessageUtil.COMMON_HEADER_LENGTH);
    final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(0), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
    final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
    // check fields
    assertNull(message.getWithdrawnRoutes());
    // attributes
    final List<AsNumber> asNumbers = new ArrayList<>();
    asNumbers.add(new AsNumber(65002L));
    final List<Segments> asPath = Lists.newArrayList();
    asPath.add(new SegmentsBuilder().setAsSequence(asNumbers).build());
    final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4Address("10.0.0.2")).build()).build();
    final List<Communities> comms = Lists.newArrayList();
    comms.add((Communities) CommunityUtil.NO_EXPORT);
    comms.add((Communities) CommunityUtil.NO_ADVERTISE);
    comms.add((Communities) CommunityUtil.NO_EXPORT_SUBCONFED);
    comms.add((Communities) CommunityUtil.create(NoopReferenceCache.getInstance(), 0xFFFF, 0xFF10));
    final UpdateBuilder builder = new UpdateBuilder();
    // check nlri
    final List<Nlri> nlris = Lists.newArrayList();
    nlris.add(new NlriBuilder().setPrefix(new Ipv4Prefix("172.17.2.0/24")).build());
    nlris.add(new NlriBuilder().setPrefix(new Ipv4Prefix("172.17.1.0/24")).build());
    nlris.add(new NlriBuilder().setPrefix(new Ipv4Prefix("172.17.0.0/24")).build());
    assertEquals(nlris, message.getNlri());
    builder.setNlri(nlris);
    // check path attributes
    final Attributes attrs = message.getAttributes();
    final AttributesBuilder paBuilder = new AttributesBuilder();
    paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
    assertEquals(paBuilder.getOrigin(), attrs.getOrigin());
    paBuilder.setAsPath(new AsPathBuilder().setSegments(asPath).build());
    assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
    paBuilder.setCNextHop(nextHop);
    assertEquals(paBuilder.getCNextHop(), attrs.getCNextHop());
    paBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed((long) 0).build());
    assertEquals(paBuilder.getMultiExitDisc(), attrs.getMultiExitDisc());
    paBuilder.setAtomicAggregate(new AtomicAggregateBuilder().build());
    assertEquals(paBuilder.getAtomicAggregate(), attrs.getAtomicAggregate());
    paBuilder.setCommunities(comms);
    assertEquals(paBuilder.getCommunities(), attrs.getCommunities());
    paBuilder.setUnrecognizedAttributes(Collections.emptyList());
    builder.setAttributes(paBuilder.build());
    assertEquals(builder.build(), message);
    final ByteBuf buffer = Unpooled.buffer();
    BGPParserTest.updateParser.serializeMessage(message, buffer);
    assertArrayEquals(inputBytes.get(0), ByteArray.readAllBytes(buffer));
}

Example 5 with SegmentsBuilder

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.attributes.as.path.SegmentsBuilder in project bgpcep by opendaylight.

the class BGPParserTest method testIPv6Nlri.

/*
     * Tests IPv6 NEXT_HOP, NLRI, ORIGIN.IGP, MULTI_EXIT_DISC, ORIGINATOR-ID, CLUSTER_LIST.
     *
     * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
     * 00 80 <- length (128) - including header
     * 02 <- message type
     * 00 00 <- withdrawn routes length
     * 00 69 <- total path attribute length (105)
     * 40 <- attribute flags
     * 01 <- attribute type code (origin)
     * 01 <- attribute length
     * 00 <- Origin value (IGP)
     * 40 <- attribute flags
     * 02 <- attribute type code (as path)
     * 06 <- attribute length
     * 02 <- AS_SEQUENCE
     * 01 <- path segment count
     * 00 00 fd e9 <- path segment value (65001)
     * 40 <- attribute flags
     * 03 <- attribute type code (next hop)
     * 04 <- attribute length
     * 0a 00 00 00 <- next hop value (10.0.0.0)
     * 80 <- attribute flags
     * 04 <- attribute type code (multi exit disc)
     * 04 <- attribute length
     * 00 00 00 00 <- value
     * 80 <- attribute flags
     * 09 <- attribute type code (originator id)
     * 04 <- attribute length
     * 7f 00 00 01 <- value (localhost ip)
     * 80 <- attribute flags
     * 0a <- attribute type code (cluster list)
     * 08 <- attribute length
     * 01 02 03 04 <- value
     * 05 06 07 08 <- value
     * 80 <- attribute flags
     * 0e <- attribute type code (mp reach nlri)
     * 40 <- attribute length
     * 00 02 <- AFI (Ipv6)
     * 01 <- SAFI (Unicast)
     * 20 <- length of next hop
     * 20 01 0d b8 00 00 00 00 00 00 00 00 00 00 00 01 <- global
     * fe 80 00 00 00 00 00 00 c0 01 0b ff fe 7e 00 <- link local
     * 00 <- reserved
     *
     * //NLRI
     * 40 20 01 0d b8 00 01 00 02 <- IPv6 Prefix (2001:db8:1:2:: / 64)
     * 40 20 01 0d b8 00 01 00 01 <- IPv6 Prefix (2001:db8:1:1:: / 64)
     * 40 20 01 0d b8 00 01 00 00 <- IPv6 Prefix (2001:db8:1:: / 64)
     *
     */
@Test
public void testIPv6Nlri() throws Exception {
    final Update message = (Update) messageRegistry.parseMessage(Unpooled.wrappedBuffer(input), null);
    // check fields
    assertNull(message.getWithdrawnRoutes());
    final UpdateBuilder builder = new UpdateBuilder();
    // check NLRI
    final List<Ipv6Prefixes> prefs = new ArrayList<>();
    prefs.add(new Ipv6PrefixesBuilder().setPrefix(new Ipv6Prefix("2001:db8:1:2::/64")).build());
    prefs.add(new Ipv6PrefixesBuilder().setPrefix(new Ipv6Prefix("2001:db8:1:1::/64")).build());
    prefs.add(new Ipv6PrefixesBuilder().setPrefix(new Ipv6Prefix("2001:db8:1::/64")).build());
    assertNull(message.getNlri());
    // attributes
    final List<AsNumber> asNumbers = new ArrayList<>();
    asNumbers.add(new AsNumber(65001L));
    final List<Segments> asPath = Lists.newArrayList();
    asPath.add(new SegmentsBuilder().setAsSequence(asNumbers).build());
    final Ipv6NextHopCase nextHop = new Ipv6NextHopCaseBuilder().setIpv6NextHop(new Ipv6NextHopBuilder().setGlobal(new Ipv6Address("2001:db8::1")).setLinkLocal(new Ipv6Address("fe80::c001:bff:fe7e:0")).build()).build();
    final List<ClusterIdentifier> clusters = Lists.newArrayList(new ClusterIdentifier(new Ipv4Address("1.2.3.4")), new ClusterIdentifier(new Ipv4Address("5.6.7.8")));
    // check path attributes
    final Attributes attrs = message.getAttributes();
    final AttributesBuilder paBuilder = new AttributesBuilder();
    paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Igp).build());
    assertEquals(paBuilder.getOrigin(), attrs.getOrigin());
    paBuilder.setAsPath(new AsPathBuilder().setSegments(asPath).build());
    assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
    paBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed((long) 0).build());
    assertEquals(paBuilder.getMultiExitDisc(), attrs.getMultiExitDisc());
    paBuilder.setOriginatorId(new OriginatorIdBuilder().setOriginator(new Ipv4Address("127.0.0.1")).build());
    assertEquals(paBuilder.getOriginatorId(), attrs.getOriginatorId());
    paBuilder.setClusterId(new ClusterIdBuilder().setCluster(clusters).build());
    assertEquals(paBuilder.getClusterId(), attrs.getClusterId());
    final MpReachNlriBuilder mpBuilder = new MpReachNlriBuilder();
    mpBuilder.setAfi(Ipv6AddressFamily.class);
    mpBuilder.setSafi(UnicastSubsequentAddressFamily.class);
    mpBuilder.setCNextHop(nextHop);
    mpBuilder.setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(new DestinationIpv6CaseBuilder().setDestinationIpv6(new DestinationIpv6Builder().setIpv6Prefixes(prefs).build()).build()).build());
    paBuilder.addAugmentation(Attributes1.class, new Attributes1Builder().setMpReachNlri(mpBuilder.build()).build());
    assertEquals(paBuilder.getAugmentation(Attributes1.class).getMpReachNlri(), attrs.getAugmentation(Attributes1.class).getMpReachNlri());
    paBuilder.setUnrecognizedAttributes(Collections.emptyList());
    // check API message
    builder.setAttributes(paBuilder.build());
    assertEquals(builder.build(), message);
    final ByteBuf buffer = Unpooled.buffer();
    messageRegistry.serializeMessage(message, buffer);
    assertArrayEquals(input, ByteArray.readAllBytes(buffer));
}