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

Example 11 with Segments

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

the class BGPParserTest method testGetUpdateMessage3.

/*
     * Tests more AS Numbers in AS_PATH, AGGREGATOR, ORIGIN.INCOMPLETE
     *
     * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
     * 00 4b <- length (75) - including header
     * 02 <- message type
     * 00 00 <- withdrawn routes length
     * 00 30 <- total path attribute length (48)
     * 40 <- attribute flags
     * 01 <- attribute type code (origin)
     * 01 <- attribute length
     * 02 <- Origin value (Incomplete)
     * 40 <- attribute flags
     * 02 <- attribute type code (as path)
     * 10 <- attribute length
     * 02 <- AS_SEQUENCE
     * 01 <- path segment count
     * 00 00 00 1e <- path segment value (30)
     * 01 <- AS_SET
     * 02 <- path segment count
     * 00 00 00 0a <- path segment value (10)
     * 00 00 00 14 <- path segment value (20)
     * 40 <- attribute flags
     * 03 <- attribute type (Next hop)
     * 04 <- attribute length
     * 0a 00 00 09 <- value (10.0.0.9)
     * 80 <- attribute flags
     * 04 <- attribute type code (multi exit disc)
     * 04 <- attribute length
     * 00 00 00 00 <- value
     * c0 <- attribute flags
     * 07 <- attribute type (Aggregator)
     * 08 <- attribute length
     * 00 00 00 1e <- value (AS number = 30)
     * 0a 00 00 09 <- value (IP address = 10.0.0.9)
     *
     * //NLRI
     * 15 ac 10 00 <- IPv4 Prefix (172.16.0.0 / 21)
     */
@Test
public void testGetUpdateMessage3() throws Exception {
    final byte[] body = ByteArray.cutBytes(inputBytes.get(2), MessageUtil.COMMON_HEADER_LENGTH);
    final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(2), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
    final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
    final UpdateBuilder builder = new UpdateBuilder();
    // check nlri
    final List<Nlri> nlris = Lists.newArrayList(new NlriBuilder().setPrefix(new Ipv4Prefix("172.16.0.0/21")).build());
    builder.setNlri(nlris);
    assertEquals(builder.getNlri(), message.getNlri());
    // check fields
    assertNull(message.getWithdrawnRoutes());
    // attributes
    final List<AsNumber> asNumbers = new ArrayList<>();
    asNumbers.add(new AsNumber(30L));
    final List<Segments> asPath = Lists.newArrayList();
    asPath.add(new SegmentsBuilder().setAsSequence(asNumbers).build());
    final List<AsNumber> asSet = Lists.newArrayList(new AsNumber(10L), new AsNumber(20L));
    asPath.add(new SegmentsBuilder().setAsSet(asSet).build());
    final Aggregator aggregator = new AggregatorBuilder().setAsNumber(new AsNumber((long) 30)).setNetworkAddress(new Ipv4Address("10.0.0.9")).build();
    final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4Address("10.0.0.9")).build()).build();
    // check path attributes
    final Attributes attrs = message.getAttributes();
    final AttributesBuilder paBuilder = new AttributesBuilder();
    paBuilder.setOrigin(new OriginBuilder().setValue(BgpOrigin.Incomplete).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.setAggregator(aggregator);
    assertEquals(paBuilder.getAggregator(), attrs.getAggregator());
    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(2), ByteArray.readAllBytes(buffer));
}

Example 12 with Segments

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

the class BGPParserTest method testUpdateMessageNlriAddPath.

/*
     * Tests IPv4 NEXT_HOP, ATOMIC_AGGREGATE, COMMUNITY, NLRI with multiple paths.
     *
     * ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff <- marker
     * 00 60 <- length (96) - 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
     * 0a 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
     * 40 <- attribute flags
     * 06 <- attribute type code (atomic aggregate)
     * 00 <- attribute length
     * C0 <- 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
     * 00 00 00 01 <- path-id (1)
     * 18 ac 11 02 <- IPv4 Prefix (172.17.1.0 / 24)
     * 00 00 00 01 <- path-id (2)
     * 18 ac 11 01 <- IPv4 Prefix (172.17.1.0 / 24)
     * 00 00 00 01 <- path-id (1)
     * 18 ac 11 00 <- IPv4 Prefix (172.17.0.0 / 24)
     */
@Test
public void testUpdateMessageNlriAddPath() throws Exception {
    final byte[] body = ByteArray.cutBytes(updatesWithMultiplePath.get(0), MessageUtil.COMMON_HEADER_LENGTH);
    final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(updatesWithMultiplePath.get(0), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
    final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength, constraint);
    // 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("172.17.1.0/24")).setPathId(new PathId(1L)).build());
    nlris.add(new NlriBuilder().setPrefix(new Ipv4Prefix("172.17.1.0/24")).setPathId(new PathId(2L)).build());
    nlris.add(new NlriBuilder().setPrefix(new Ipv4Prefix("172.17.0.0/24")).setPathId(new PathId(1L)).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(updatesWithMultiplePath.get(0), ByteArray.readAllBytes(buffer));
}

Example 13 with Segments

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

the class AsPathAttributeParser method parseAsPath.

/**
 * Parses AS_PATH from bytes.
 *
 * @param refCache ReferenceCache shared reference of object
 * @param buffer bytes to be parsed
 * @return new ASPath object
 * @throws BGPDocumentedException if there is no AS_SEQUENCE present (mandatory)
 * @throws BGPParsingException
 */
private static AsPath parseAsPath(final ReferenceCache refCache, final ByteBuf buffer) throws BGPDocumentedException, BGPParsingException {
    if (!buffer.isReadable()) {
        return EMPTY;
    }
    final ArrayList<Segments> ases = new ArrayList<>();
    boolean isSequence = false;
    while (buffer.isReadable()) {
        final int type = buffer.readUnsignedByte();
        final SegmentType segmentType = AsPathSegmentParser.parseType(type);
        if (segmentType == null) {
            throw new BGPParsingException("AS Path segment type unknown : " + type);
        }
        final int count = buffer.readUnsignedByte();
        final List<AsNumber> asList = AsPathSegmentParser.parseAsSegment(refCache, count, buffer.readSlice(count * AsPathSegmentParser.AS_NUMBER_LENGTH));
        if (segmentType == SegmentType.AS_SEQUENCE) {
            ases.add(new SegmentsBuilder().setAsSequence(asList).build());
            isSequence = true;
        } else {
            ases.add(new SegmentsBuilder().setAsSet(asList).build());
        }
    }
    if (!isSequence) {
        throw new BGPDocumentedException("AS_SEQUENCE must be present in AS_PATH attribute.", BGPError.AS_PATH_MALFORMED);
    }
    ases.trimToSize();
    return new AsPathBuilder().setSegments(ases).build();
}

Example 14 with Segments

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

the class NeutronNetworkChangeListener method createElanInstanceBuilder.

private ElanInstanceBuilder createElanInstanceBuilder(String elanInstanceName, Class<? extends SegmentTypeBase> segmentType, String segmentationId, String physicalNetworkName, Network network) {
    Boolean isExternal = NeutronvpnUtils.getIsExternal(network);
    List<ElanSegments> segments = buildSegments(network);
    ElanInstanceBuilder elanInstanceBuilder = new ElanInstanceBuilder().setElanInstanceName(elanInstanceName);
    if (segmentType != null) {
        elanInstanceBuilder.setSegmentType(segmentType);
        if (segmentationId != null) {
            elanInstanceBuilder.setSegmentationId(Long.valueOf(segmentationId));
        }
        if (physicalNetworkName != null) {
            elanInstanceBuilder.setPhysicalNetworkName(physicalNetworkName);
        }
    }
    elanInstanceBuilder.setElanSegments(segments);
    elanInstanceBuilder.setExternal(isExternal);
    elanInstanceBuilder.setKey(new ElanInstanceKey(elanInstanceName));
    return elanInstanceBuilder;
}

Example 15 with Segments

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

the class NeutronUtils method isNetworkSegmentType.

public static <T extends NetworkTypeBase> boolean isNetworkSegmentType(Network network, Long index, Class<T> expectedNetworkType) {
    Class<? extends NetworkTypeBase> segmentType = null;
    NetworkProviderExtension providerExtension = network.getAugmentation(NetworkProviderExtension.class);
    if (providerExtension != null) {
        List<Segments> providerSegments = providerExtension.getSegments();
        if (providerSegments != null && providerSegments.size() > 0) {
            for (Segments providerSegment : providerSegments) {
                if (Objects.equals(providerSegment.getSegmentationIndex(), index)) {
                    segmentType = providerSegment.getNetworkType();
                    break;
                }
            }
        }
    }
    return segmentType != null && segmentType.isAssignableFrom(expectedNetworkType);
}