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

Example 6 with AsPath

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPath 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 = new ArrayList<>();
    asPath.add(new SegmentsBuilder().setAsSequence(Lists.newArrayList(new AsNumber(Uint32.valueOf(asn)))).build());
    final CNextHop nextHop = new Ipv6NextHopCaseBuilder().setIpv6NextHop(new Ipv6NextHopBuilder().setGlobal(new Ipv6AddressNoZone("2001:db8::1")).setLinkLocal(new Ipv6AddressNoZone("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(new AttributesReachBuilder().setMpReachNlri(mpReachBuilder.build()).build());
    builder.setAttributes(paBuilder.build());
    return builder.build();
}

Example 7 with AsPath

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

the class PeerUtil method createUpdate.

static Update createUpdate(final BgpOrigin bgpOrigin, final List<Segments> pathSegments, // FIXME: consider using Uint32
final long preference, final MpReachNlri mpReach, final MpUnreachNlri mpUnreach) {
    final Origin origin = new OriginBuilder().setValue(bgpOrigin).build();
    final AsPath asPath = new AsPathBuilder().setSegments(pathSegments).build();
    final LocalPref localPref = new LocalPrefBuilder().setPref(Uint32.valueOf(preference)).build();
    final AttributesBuilder attributeBuilder = new AttributesBuilder().setOrigin(origin).setAsPath(asPath).setLocalPref(localPref);
    if (mpReach != null) {
        attributeBuilder.addAugmentation(new AttributesReachBuilder().setMpReachNlri(mpReach).build());
    }
    if (mpUnreach != null) {
        attributeBuilder.addAugmentation(new AttributesUnreachBuilder().setMpUnreachNlri(mpUnreach).build());
    }
    return new UpdateBuilder().setAttributes(new AttributesBuilder().setOrigin(origin).setAsPath(asPath).setLocalPref(localPref).addAugmentation(new AttributesReachBuilder().setMpReachNlri(mpReach).build()).build()).build();
}

Example 8 with AsPath

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

the class SynchronizationAndExceptionTest method testUseCase1.

@Test
public void testUseCase1() {
    final Map<TablesKey, PathSelectionMode> pathTables = ImmutableMap.of(TABLES_KEY, BasePathSelectionModeFactory.createBestPathSelectionStrategy());
    final RIBImpl ribImpl = new RIBImpl(this.tableRegistry, new RibId(RIB_ID), AS_NUMBER, new BgpId(RIB_ID), this.ribExtension, this.serverDispatcher, this.codecsRegistry, this.domBroker, this.policies, ImmutableList.of(this.ipv4tt), pathTables);
    ribImpl.instantiateServiceInstance();
    final BGPPeer bgpPeer = AbstractAddPathTest.configurePeer(this.tableRegistry, neighbor.getIpv4AddressNoZone(), ribImpl, null, PeerRole.Ibgp, this.serverRegistry, AFI_SAFIS_ADVERTIZED, Collections.emptySet());
    bgpPeer.instantiateServiceInstance();
    final BGPSessionImpl bgpSession = new BGPSessionImpl(bgpPeer, this.speakerListener, this.classicOpen, this.classicOpen.getHoldTimer().toJava(), null);
    bgpSession.setChannelExtMsgCoder(this.classicOpen);
    bgpPeer.onSessionUp(bgpSession);
    final Nlri n1 = new NlriBuilder().setPrefix(new Ipv4Prefix("8.0.1.0/28")).build();
    final Nlri n2 = new NlriBuilder().setPrefix(new Ipv4Prefix("127.0.0.1/32")).build();
    final Nlri n3 = new NlriBuilder().setPrefix(new Ipv4Prefix("2.2.2.2/24")).build();
    final List<Nlri> nlris = Lists.newArrayList(n1, n2, n3);
    final UpdateBuilder wrongMessage = new UpdateBuilder();
    wrongMessage.setNlri(nlris);
    final Origin origin = new OriginBuilder().setValue(BgpOrigin.Igp).build();
    final AsPath asPath = new AsPathBuilder().setSegments(Collections.emptyList()).build();
    final CNextHop nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4AddressNoZone("127.0.0.1")).build()).build();
    final AttributesBuilder ab = new AttributesBuilder();
    wrongMessage.setAttributes(ab.setOrigin(origin).setAsPath(asPath).setCNextHop(nextHop).build());
    final UpdateBuilder correct = new UpdateBuilder(wrongMessage.build());
    correct.setAttributes(ab.setLocalPref(new LocalPrefBuilder().setPref(Uint32.valueOf(100)).build()).build());
    bgpSession.handleMessage(correct.build());
    verify(this.tx, times(2)).merge(eq(LogicalDatastoreType.OPERATIONAL), any(YangInstanceIdentifier.class), any(NormalizedNode.class));
    bgpSession.handleMessage(new UpdateBuilder().build());
    verify(this.tx, times(3)).merge(eq(LogicalDatastoreType.OPERATIONAL), any(YangInstanceIdentifier.class), any(NormalizedNode.class));
    verify(this.tx).merge(eq(LogicalDatastoreType.OPERATIONAL), eq(TABLE_PATH), eq(ImmutableNodes.leafNode(UPTODATE_NID, Boolean.TRUE)));
    verify(this.tx, times(0)).delete(eq(LogicalDatastoreType.OPERATIONAL), eq(PEER_PATH));
}

Example 9 with AsPath

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPath 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 10 with AsPath

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

the class AsPathLengthTest method testASPathLengthLe.

@Test
public void testASPathLengthLe() {
    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-le-length-test")).findFirst().get();
    RouteAttributeContainer attributeContainer = routeAttributeContainerFalse(new AttributesBuilder().setAsPath(asPath.build()).build());
    RouteAttributeContainer result = this.statementRegistry.applyExportStatement(this.baseAttributes, IPV4UNICAST.class, this.exportParameters, attributeContainer, statement);
    assertNotNull(result.getAttributes());
    asPath.setSegments(Collections.singletonList(new SegmentsBuilder().setAsSequence(Collections.singletonList(AsNumber.getDefaultInstance("3"))).build()));
    attributeContainer = routeAttributeContainerFalse(new AttributesBuilder().setAsPath(asPath.build()).build());
    result = this.statementRegistry.applyExportStatement(this.baseAttributes, IPV4UNICAST.class, this.exportParameters, attributeContainer, statement);
    assertNull(result.getAttributes());
}