Examples with Nlri org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.Nlri used on opensource projects

Example 16 with Nlri

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.Nlri in project bgpcep by opendaylight.

the class SimpleNlriTypeRegistry method serializeNlriType.

public void serializeNlriType(final CLinkstateDestination nlri, final ByteBuf byteAggregator) {
    if (nlri == null) {
        return;
    }
    requireNonNull(byteAggregator);
    final ObjectType objectType = nlri.getObjectType();
    final NlriTypeCaseSerializer serializer = this.nlriRegistry.getSerializer((Class<? extends ObjectType>) objectType.implementedInterface());
    if (serializer == null) {
        LOG.warn("Linkstate NLRI serializer for Type: {} was not found.", objectType.implementedInterface());
        return;
    }
    final ByteBuf nlriType = Unpooled.buffer();
    serializer.serializeTypeNlri(nlri, nlriType);
    TlvUtil.writeTLV(serializer.getNlriType(), nlriType, byteAggregator);
}

Example 17 with Nlri

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.Nlri 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- withdrawn routes length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 18 with Nlri

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.Nlri in project bgpcep by opendaylight.

the class Ipv4NlriHandler method parseIpv4UnreachNlri.

static DestinationMvpnIpv4WithdrawnCase parseIpv4UnreachNlri(final ByteBuf nlri, final boolean addPathSupported) {
    final List<MvpnDestination> dests = new ArrayList<>();
    while (nlri.isReadable()) {
        final MvpnDestinationBuilder builder = new MvpnDestinationBuilder();
        if (addPathSupported) {
            builder.setPathId(PathIdUtil.readPathId(nlri));
        }
        final NlriType type = NlriType.forValue(nlri.readUnsignedByte());
        final int length = nlri.readUnsignedByte();
        final ByteBuf nlriBuf = nlri.readSlice(length);
        builder.setMvpnChoice(SimpleMvpnNlriRegistry.getInstance().parseMvpn(type, nlriBuf));
        dests.add(builder.build());
    }
    return new DestinationMvpnIpv4WithdrawnCaseBuilder().setDestinationMvpn(new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.destination.mvpn.ipv4.withdrawn._case.DestinationMvpnBuilder().setMvpnDestination(dests).build()).build();
}

Example 19 with Nlri

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.Nlri in project bgpcep by opendaylight.

the class Ipv4NlriHandler method parseIpv4ReachNlri.

static DestinationMvpnIpv4AdvertizedCase parseIpv4ReachNlri(final ByteBuf nlri, final boolean addPathSupported) {
    final List<MvpnDestination> dests = new ArrayList<>();
    while (nlri.isReadable()) {
        final MvpnDestinationBuilder builder = new MvpnDestinationBuilder();
        if (addPathSupported) {
            builder.setPathId(PathIdUtil.readPathId(nlri));
        }
        final NlriType type = NlriType.forValue(nlri.readUnsignedByte());
        final int length = nlri.readUnsignedByte();
        final ByteBuf nlriBuf = nlri.readSlice(length);
        builder.setMvpnChoice(SimpleMvpnNlriRegistry.getInstance().parseMvpn(type, nlriBuf));
        dests.add(builder.build());
    }
    return new DestinationMvpnIpv4AdvertizedCaseBuilder().setDestinationMvpn(new DestinationMvpnBuilder().setMvpnDestination(dests).build()).build();
}

Example 20 with Nlri

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.update.message.Nlri in project bgpcep by opendaylight.

the class AbstractFlowspecNlriParser method parseNlriFlowspecList.

/**
 * Parses Flowspec NLRI into list of Flowspec.
 *
 * @param nlri byte representation of NLRI which will be parsed
 * @return list of Flowspec
 */
protected final List<Flowspec> parseNlriFlowspecList(@NonNull final ByteBuf nlri) {
    if (!nlri.isReadable()) {
        return null;
    }
    final List<Flowspec> fss = new ArrayList<>();
    while (nlri.isReadable()) {
        int nlriLength = readNlriLength(nlri);
        Preconditions.checkState(nlriLength > 0 && nlriLength <= nlri.readableBytes(), "Invalid flowspec NLRI length %s", nlriLength);
        LOG.trace("Flowspec NLRI length is {}", nlriLength);
        while (nlriLength > 0) {
            final int readableLength = nlri.readableBytes();
            final FlowspecBuilder builder = new FlowspecBuilder();
            builder.setFlowspecType(flowspecTypeRegistry.parseFlowspecType(nlri));
            fss.add(builder.build());
            final int flowspecTypeLength = readableLength - nlri.readableBytes();
            nlriLength -= flowspecTypeLength;
        }
        Preconditions.checkState(nlriLength == 0, "Remain NLRI length should be 0 instead of %s", nlriLength);
    }
    return fss;
}