Examples with AsPathBuilder org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPathBuilder used on opensource projects

Example 1 with AsPathBuilder

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPathBuilder 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 2 with AsPathBuilder

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPathBuilder in project bgpcep by opendaylight.

the class PrefixesBuilder method createAttributes.

private static Attributes createAttributes(final List<String> extCom, final boolean multiPathSupport, final Ipv4Prefix addressPrefix) {
    final AttributesBuilder attBuilder = new AttributesBuilder();
    attBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Egp).build());
    attBuilder.setAsPath(new AsPathBuilder().setSegments(Collections.emptyList()).build());
    attBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed((long) 0).build());
    attBuilder.setLocalPref(new LocalPrefBuilder().setPref(100L).build());
    attBuilder.setExtendedCommunities(createExtComm(extCom));
    attBuilder.setUnrecognizedAttributes(Collections.emptyList());
    final Ipv4PrefixesBuilder prefixes = new Ipv4PrefixesBuilder().setPrefix(addressPrefix);
    if (multiPathSupport) {
        prefixes.setPathId(new PathId(5L));
    }
    attBuilder.addAugmentation(Attributes1.class, new Attributes1Builder().setMpReachNlri(new MpReachNlriBuilder().setCNextHop(NEXT_HOP).setAfi(Ipv4AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class).setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(new DestinationIpv4CaseBuilder().setDestinationIpv4(new DestinationIpv4Builder().setIpv4Prefixes(Collections.singletonList(prefixes.build())).build()).build()).build()).build()).build());
    return attBuilder.build();
}

Example 3 with AsPathBuilder

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPathBuilder 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.get(1)), 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(Uint32.valueOf(65001)));
    final List<Segments> asPath = new ArrayList<>();
    asPath.add(new SegmentsBuilder().setAsSequence(asNumbers).build());
    final Ipv6NextHopCase nextHop = new Ipv6NextHopCaseBuilder().setIpv6NextHop(new Ipv6NextHopBuilder().setGlobal(new Ipv6AddressNoZone("2001:db8::1")).setLinkLocal(new Ipv6AddressNoZone("fe80::c001:bff:fe7e:0")).build()).build();
    final List<ClusterIdentifier> clusters = Lists.newArrayList(new ClusterIdentifier(new Ipv4AddressNoZone("1.2.3.4")), new ClusterIdentifier(new Ipv4AddressNoZone("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(Uint32.ZERO).build());
    assertEquals(paBuilder.getMultiExitDisc(), attrs.getMultiExitDisc());
    paBuilder.setOriginatorId(new OriginatorIdBuilder().setOriginator(new Ipv4AddressNoZone("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().setAfi(Ipv6AddressFamily.class).setSafi(UnicastSubsequentAddressFamily.class).setCNextHop(nextHop).setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(new DestinationIpv6CaseBuilder().setDestinationIpv6(new DestinationIpv6Builder().setIpv6Prefixes(prefs).build()).build()).build());
    paBuilder.addAugmentation(new AttributesReachBuilder().setMpReachNlri(mpBuilder.build()).build());
    assertEquals(paBuilder.augmentation(AttributesReach.class).getMpReachNlri(), attrs.augmentation(AttributesReach.class).getMpReachNlri());
    paBuilder.setUnrecognizedAttributes(Collections.emptyMap());
    // check API message
    builder.setAttributes(paBuilder.build());
    assertEquals(builder.build(), message);
    final ByteBuf buffer = Unpooled.buffer();
    messageRegistry.serializeMessage(message, buffer);
    assertArrayEquals(input.get(1), ByteArray.readAllBytes(buffer));
}

Example 4 with AsPathBuilder

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPathBuilder in project bgpcep by opendaylight.

the class ParserTest method testBGPNode.

/*
     * TEST BGP Node
     *
     *  00 00 <- withdrawn routes length
        00 b1 <- total path attribute length (177)
        80 <- attribute flags
        0e <- attribute type code (MP reach)
        a0 <- attribute length (160)
        40 04 <- AFI (16388 - Linkstate)
        47 <- SAFI (71 - Linkstate)
        04 <- next hop length
        19 19 19 01 - nexthop (25.25.25.1)
        00 <- reserved

        00 01 <- NLRI type (1 - nodeNLRI)
        00 31 <- NLRI length (49)
        03 <- ProtocolID - OSPF
        00 00 00 00 00 00 00 01 <- identifier
        01 00 <- local node descriptor type (256)
        00 24 <- length (36)
        02 00 <- node descriptor type (member AS - 512)
        00 04 <- length
        00 00 00 64 <- value (100)
        02 01 <- node descriptor type (bgpId - 513)
        00 04 <- length
        19 19 19 01 <- bgpId (25.25.25.1)
        02 02 <- node descriptor type (areaId - 514)
        00 04 <- length
        00 00 00 00 <- value
        02 03 <- node descriptor type (routeId - 515)
        00 08 <- length
        03 03 03 04 0b 0b 0b 03 <- OSPF Router Id

        00 01 <- NLRI type (1 - nodeNLRI)
        00 2d <- NLRI length (45)
        03 <- ProtocolID - OSPF
        00 00 00 00 00 00 00 01 <- identifier
        01 00 <- local node descriptor type (256)
        00 20 <- length (32)
        02 00 <- node descriptor type (member AS - 512)
        00 04 <- length
        00 00 00 64 <- value (100)
        02 01 <- node descriptor type (bgpId - 513)
        00 04 <- length
        19 19 19 01 <- bgpId (25.25.25.1)
        02 02 <- node descriptor type (areaId - 514)
        00 04 <- length
        00 00 00 00 <- value
        02 03 <- node descriptor type (routeId - 515)
        00 04 <- length
        03 03 03 04 <- OSPF Router Id

        00 01 <- NLRI type (1 - nodeNLRI)
        00 2d <- NLRI length (45)
        03 <- ProtocolID - OSPF
        00 00 00 00 00 00 00 01 <- identifier
        01 00 <- local node descriptor type (256)
        00 20 <- length (32)
        02 00 <- node descriptor type (member AS - 512)
        00 04 <- length
        00 00 00 64 <- value (100)
        02 01 <- node descriptor type (bgpId - 513)
        00 04 <- length
        19 19 19 01 <- bgpId (25.25.25.1)
        02 02 <- node descriptor type (areaId - 514)
        00 04 <- length
        00 00 00 00 <- value
        02 03 <- node descriptor type (routeId - 515)
        00 04 <- length
        01 01 01 02  <- OSPF Router Id

        40 <- attribute flags
        01 <- attribute type (Origin)
        01 <- attribute length
        00 <- value (IGP)
        40 <- attribute flags
        02 <- attribute type (AS Path)
        00 <- length
        40 <- attribute flags
        05 <- attribute type (local pref)
        04 <- length
        00 00 00 64 <- value
     */
@Test
public void testBGPNode() throws Exception {
    final byte[] body = ByteArray.cutBytes(INPUT_BYTES.get(2), MessageUtil.COMMON_HEADER_LENGTH);
    final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(INPUT_BYTES.get(2), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
    final Update message = ParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength, null);
    final UpdateBuilder builder = new UpdateBuilder();
    // check fields
    assertNull(message.getWithdrawnRoutes());
    // attributes
    final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4AddressNoZone("25.25.25.1")).build()).build();
    final CLinkstateDestinationBuilder clBuilder = new CLinkstateDestinationBuilder();
    clBuilder.setIdentifier(new Identifier(Uint64.ONE));
    clBuilder.setProtocolId(ProtocolId.Ospf);
    final NodeDescriptorsBuilder n = new NodeDescriptorsBuilder().setAsNumber(new AsNumber(Uint32.valueOf(100))).setDomainId(new DomainIdentifier(Uint32.valueOf(0x19191901L))).setAreaId(new AreaIdentifier(Uint32.ZERO));
    final List<CLinkstateDestination> linkstates = new ArrayList<>();
    final NodeCaseBuilder nCase = new NodeCaseBuilder().setNodeDescriptors(n.setCRouterIdentifier(new OspfPseudonodeCaseBuilder().setOspfPseudonode(new OspfPseudonodeBuilder().setOspfRouterId(Uint32.valueOf(0x03030304L)).setLanInterface(new OspfInterfaceIdentifier(Uint32.valueOf(0x0b0b0b03L))).build()).build()).build());
    linkstates.add(clBuilder.setObjectType(nCase.build()).build());
    nCase.setNodeDescriptors(n.setCRouterIdentifier(new OspfNodeCaseBuilder().setOspfNode(new OspfNodeBuilder().setOspfRouterId(Uint32.valueOf(0x03030304L)).build()).build()).build());
    linkstates.add(clBuilder.setObjectType(nCase.build()).build());
    nCase.setNodeDescriptors(n.setCRouterIdentifier(new OspfNodeCaseBuilder().setOspfNode(new OspfNodeBuilder().setOspfRouterId(Uint32.valueOf(0x01010102L)).build()).build()).build());
    linkstates.add(clBuilder.setObjectType(nCase.build()).build());
    final AttributesReachBuilder lsBuilder = new AttributesReachBuilder();
    final MpReachNlriBuilder mpBuilder = new MpReachNlriBuilder();
    mpBuilder.setAfi(LinkstateAddressFamily.class);
    mpBuilder.setSafi(LinkstateSubsequentAddressFamily.class);
    mpBuilder.setCNextHop(nextHop);
    final DestinationLinkstateBuilder dBuilder = new DestinationLinkstateBuilder();
    dBuilder.setCLinkstateDestination(linkstates);
    mpBuilder.setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(new DestinationLinkstateCaseBuilder().setDestinationLinkstate(dBuilder.build()).build()).build());
    lsBuilder.setMpReachNlri(mpBuilder.build());
    // 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(Collections.emptyList()).build());
    assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
    paBuilder.setLocalPref(new LocalPrefBuilder().setPref(Uint32.valueOf(100)).build());
    assertEquals(paBuilder.getLocalPref(), attrs.getLocalPref());
    paBuilder.addAugmentation(lsBuilder.build());
    paBuilder.setUnrecognizedAttributes(Collections.emptyMap());
    final MpReachNlri mp = attrs.augmentation(AttributesReach.class).getMpReachNlri();
    assertEquals(mpBuilder.getAfi(), mp.getAfi());
    assertEquals(mpBuilder.getSafi(), mp.getSafi());
    assertEquals(mpBuilder.getCNextHop(), mp.getCNextHop());
    final List<CLinkstateDestination> dests = ((DestinationLinkstateCase) mp.getAdvertizedRoutes().getDestinationType()).getDestinationLinkstate().getCLinkstateDestination();
    assertEquals(linkstates.size(), dests.size());
    assertEquals(linkstates, dests);
    // check API message
    builder.setAttributes(paBuilder.build());
    assertEquals(builder.build(), message);
    final ByteBuf buffer = Unpooled.buffer();
    ParserTest.updateParser.serializeMessage(message, buffer);
    assertArrayEquals(INPUT_BYTES.get(2), ByteArray.readAllBytes(buffer));
}

Example 5 with AsPathBuilder

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPathBuilder in project bgpcep by opendaylight.

the class ImportAttributeTestUtil method createInput.

public static Attributes createInput() {
    final AttributesBuilder attBuilder = new AttributesBuilder();
    // local pref
    attBuilder.setLocalPref(new LocalPrefBuilder().setPref(Uint32.valueOf(100)).build());
    // cluster pref
    attBuilder.setClusterId(new ClusterIdBuilder().setCluster(Collections.singletonList(new ClusterIdentifier("40.40.40.40"))).build());
    // c-next-hop pref
    attBuilder.setCNextHop(createNexHop());
    // originator pref
    attBuilder.setOriginatorId(new OriginatorIdBuilder().setOriginator(new Ipv4AddressNoZone("41.41.41.41")).build());
    // origin pref
    attBuilder.setOrigin(createOrigin());
    // as path
    attBuilder.setAsPath(new AsPathBuilder().build());
    // multi-exit-disc pref
    attBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed(Uint32.ZERO).build());
    return attBuilder.build();
}