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

Example 1 with Communities

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

the class CommunitiesAttributeParser method serializeAttribute.

@Override
public void serializeAttribute(final DataObject attribute, final ByteBuf byteAggregator) {
    Preconditions.checkArgument(attribute instanceof Attributes, "Attribute parameter is not a PathAttribute object.");
    final List<Communities> communities = ((Attributes) attribute).getCommunities();
    if (communities == null || communities.isEmpty()) {
        return;
    }
    final ByteBuf communitiesBuffer = Unpooled.buffer();
    for (final Community community : communities) {
        communitiesBuffer.writeShort(community.getAsNumber().getValue().shortValue());
        communitiesBuffer.writeShort(community.getSemantics().shortValue());
    }
    AttributeUtil.formatAttribute(AttributeUtil.OPTIONAL | AttributeUtil.TRANSITIVE, TYPE, communitiesBuffer, byteAggregator);
}

Example 2 with Communities

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

the class SetCommunityHandler method setComm.

private Attributes setComm(final Attributes attributes, final SetCommunityMethod setCommunityMethod, final BgpSetCommunityOptionType options) {
    if (setCommunityMethod instanceof Inline) {
        final Inline inline = (Inline) setCommunityMethod;
        final List<Communities> list = inline.getCommunities().stream().map(ge -> new CommunitiesBuilder().setAsNumber(ge.getAsNumber()).setSemantics(ge.getSemantics()).build()).collect(Collectors.toList());
        return inlineSetComm(attributes, list, options);
    }
    return referenceSetComm(attributes, ((Reference) setCommunityMethod).getCommunitySetRef(), options);
}

Example 3 with Communities

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

the class SetCommunityHandler method inlineSetComm.

private static Attributes inlineSetComm(final Attributes attributes, final List<Communities> actionCommunities, final BgpSetCommunityOptionType options) {
    final AttributesBuilder newAtt = new AttributesBuilder(attributes);
    if (options.equals(BgpSetCommunityOptionType.REPLACE)) {
        return newAtt.setCommunities(actionCommunities).build();
    }
    final List<Communities> actualComm;
    if (attributes.getCommunities() != null) {
        actualComm = new ArrayList<>(attributes.getCommunities());
    } else {
        actualComm = new ArrayList<>();
    }
    switch(options) {
        case ADD:
            actualComm.addAll(actionCommunities);
            break;
        case REMOVE:
            actualComm.removeAll(actionCommunities);
            break;
        default:
            throw new IllegalArgumentException("Option Type not Recognized!");
    }
    return newAtt.setCommunities(actualComm).build();
}

Example 4 with Communities

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

the class CommunitiesAttributeParser method parseAttribute.

@Override
public void parseAttribute(final ByteBuf buffer, final AttributesBuilder builder, final RevisedErrorHandling errorHandling, final PeerSpecificParserConstraint constraint) throws BGPDocumentedException, BGPTreatAsWithdrawException {
    final int readable = buffer.readableBytes();
    if (readable == 0 && errorHandling != RevisedErrorHandling.NONE) {
        throw new BGPTreatAsWithdrawException(BGPError.ATTR_LENGTH_ERROR, "Empty Community attribute");
    }
    if (readable % COMMUNITY_LENGTH != 0) {
        throw errorHandling.reportError(BGPError.ATTR_LENGTH_ERROR, "Community attribute length must be a multiple of %s, have %s", COMMUNITY_LENGTH, readable);
    }
    final int count = readable / COMMUNITY_LENGTH;
    final List<Communities> set = new ArrayList<>(count);
    for (int i = 0; i < count; ++i) {
        set.add((Communities) parseCommunity(this.refCache, buffer.readSlice(COMMUNITY_LENGTH)));
    }
    builder.setCommunities(set);
}

Example 5 with Communities

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Communities 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(INPUT_BYTES.get(0), MessageUtil.COMMON_HEADER_LENGTH);
    final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(INPUT_BYTES.get(0), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
    final Update message = BGPParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength, null);
    // check fields
    assertNull(message.getWithdrawnRoutes());
    // attributes
    final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4AddressNoZone("10.0.0.2")).build()).build();
    final List<Communities> comms = new ArrayList<>();
    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 = List.of(new NlriBuilder().setPrefix(new Ipv4Prefix("172.17.2.0/24")).build(), new NlriBuilder().setPrefix(new Ipv4Prefix("172.17.1.0/24")).build(), 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(List.of(new SegmentsBuilder().setAsSequence(List.of(new AsNumber(Uint32.valueOf(65002)))).build())).build());
    assertEquals(paBuilder.getAsPath(), attrs.getAsPath());
    paBuilder.setCNextHop(nextHop);
    assertEquals(paBuilder.getCNextHop(), attrs.getCNextHop());
    paBuilder.setMultiExitDisc(new MultiExitDiscBuilder().setMed(Uint32.ZERO).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(Map.of());
    builder.setAttributes(paBuilder.build());
    assertEquals(builder.build(), message);
    final ByteBuf buffer = Unpooled.buffer();
    BGPParserTest.updateParser.serializeMessage(message, buffer);
    assertArrayEquals(INPUT_BYTES.get(0), ByteArray.readAllBytes(buffer));
}