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

Example 21 with Origin

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev171207.path.attributes.attributes.Origin 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- withdrawn routes length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 22 with Origin

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

the class OriginAttributeParser 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 Origin origin = ((Attributes) attribute).getOrigin();
    if (origin == null) {
        return;
    }
    AttributeUtil.formatAttribute(AttributeUtil.TRANSITIVE, TYPE, Unpooled.wrappedBuffer(new byte[] { UnsignedBytes.checkedCast(origin.getValue().getIntValue()) }), byteAggregator);
}

Example 23 with Origin

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

the class OriginAttributeParser method parseAttribute.

@Override
public void parseAttribute(final ByteBuf buffer, final AttributesBuilder builder) throws BGPDocumentedException {
    final byte rawOrigin = buffer.readByte();
    final BgpOrigin borigin = BgpOrigin.forValue(UnsignedBytes.toInt(rawOrigin));
    if (borigin == null) {
        throw new BGPDocumentedException("Unknown Origin type.", BGPError.ORIGIN_ATTR_NOT_VALID, new byte[] { (byte) 0x01, (byte) 0x01, rawOrigin });
    }
    switch(borigin) {
        case Egp:
            builder.setOrigin(EGP);
            return;
        case Igp:
            builder.setOrigin(IGP);
            return;
        case Incomplete:
            builder.setOrigin(INC);
            return;
        default:
            return;
    }
}

Example 24 with Origin

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

the class ParserTest method testBGPLink.

/*
     * Tests BGP Link Ipv4
     *
     * 00 00 <- withdrawn routes length
     * 01 48 <- total path attribute length (328)
     * 90 <- attribute flags
        0e <- attribute type code (MP reach)
        01 2c <- attribute extended length (300)
        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 02 <- NLRI type (2 - linkNLRI)
        00 5d <- NLRI length (93)
        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

        01 01 <- remote node descriptor type (257)
        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

        01 03 <- link descriptor type (IPv4 interface address - 259)
        00 04 <- length (4)
        0b 0b 0b 03 <- value (11.11.11.3)

        00 02 <- NLRI type (2 - linkNLRI)
        00 5d <- NLRI length (93)
        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

        01 01 <- remote node descriptor type (257)
        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

        01 03 <- link descriptor type (IPv4 interface address - 259)
        00 04 <- length
        0b 0b 0b 01 <- value (11.11.11.1)

        00 02 <- NLRI type (2 - linkNLRI)
        00 5d <- NLRI length (93)
        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

        01 01 <- remote node descriptor type (257)
        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

        01 03 <- link descriptor type (IPv4 interface address - 259)
        00 04 <- length
        0b 0b 0b 01 <- value (11.11.11.1)

        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
        c0 <- attribute flags
        1D <- attribute type (Link STATE - 29)
        07 <- length
        04 47 <- link attribute (1095 - Metric)
        00 03 <- length
        00 00 01 <- value
     */
@Test
public void testBGPLink() throws Exception {
    final byte[] body = ByteArray.cutBytes(inputBytes.get(1), MessageUtil.COMMON_HEADER_LENGTH);
    final int messageLength = ByteArray.bytesToInt(ByteArray.subByte(inputBytes.get(1), MessageUtil.MARKER_LENGTH, LENGTH_FIELD_LENGTH));
    final Update message = ParserTest.updateParser.parseMessageBody(Unpooled.copiedBuffer(body), messageLength);
    final UpdateBuilder builder = new UpdateBuilder();
    // check fields
    assertNull(message.getWithdrawnRoutes());
    final Ipv4NextHopCase nextHop = new Ipv4NextHopCaseBuilder().setIpv4NextHop(new Ipv4NextHopBuilder().setGlobal(new Ipv4Address("25.25.25.1")).build()).build();
    final LocalNodeDescriptorsBuilder ndBuilder = new LocalNodeDescriptorsBuilder().setAsNumber(new AsNumber((long) 100)).setDomainId(new DomainIdentifier(0x19191901L)).setAreaId(new AreaIdentifier(0L));
    final RemoteNodeDescriptorsBuilder rdBuilder = new RemoteNodeDescriptorsBuilder().setAsNumber(new AsNumber((long) 100)).setDomainId(new DomainIdentifier(0x19191901L)).setAreaId(new AreaIdentifier(0L));
    final CLinkstateDestinationBuilder clBuilder = new CLinkstateDestinationBuilder();
    clBuilder.setIdentifier(new Identifier(BigInteger.ONE));
    clBuilder.setProtocolId(ProtocolId.Ospf);
    final Attributes1Builder lsBuilder = new Attributes1Builder();
    final MpReachNlriBuilder mpBuilder = new MpReachNlriBuilder();
    mpBuilder.setAfi(LinkstateAddressFamily.class);
    mpBuilder.setSafi(LinkstateSubsequentAddressFamily.class);
    mpBuilder.setCNextHop(nextHop);
    final List<CLinkstateDestination> linkstates = Lists.newArrayList();
    final LinkCaseBuilder lCase = new LinkCaseBuilder().setLocalNodeDescriptors(ndBuilder.setCRouterIdentifier(new OspfPseudonodeCaseBuilder().setOspfPseudonode(new OspfPseudonodeBuilder().setOspfRouterId(0x03030304L).setLanInterface(new OspfInterfaceIdentifier(0x0b0b0b03L)).build()).build()).build());
    lCase.setRemoteNodeDescriptors(rdBuilder.setCRouterIdentifier(new OspfNodeCaseBuilder().setOspfNode(new OspfNodeBuilder().setOspfRouterId(0x03030304L).build()).build()).build());
    lCase.setLinkDescriptors(new LinkDescriptorsBuilder().setIpv4InterfaceAddress(new Ipv4InterfaceIdentifier(new Ipv4Address("11.11.11.3"))).build());
    linkstates.add(clBuilder.setObjectType(lCase.build()).build());
    lCase.setRemoteNodeDescriptors(rdBuilder.setCRouterIdentifier(new OspfNodeCaseBuilder().setOspfNode(new OspfNodeBuilder().setOspfRouterId(0x01010102L).build()).build()).build());
    lCase.setLinkDescriptors(new LinkDescriptorsBuilder().setIpv4InterfaceAddress(new Ipv4InterfaceIdentifier(new Ipv4Address("11.11.11.1"))).build());
    linkstates.add(clBuilder.setObjectType(lCase.build()).build());
    lCase.setLocalNodeDescriptors(ndBuilder.setCRouterIdentifier(new OspfNodeCaseBuilder().setOspfNode(new OspfNodeBuilder().setOspfRouterId(0x01010102L).build()).build()).build());
    lCase.setRemoteNodeDescriptors(rdBuilder.setCRouterIdentifier(new OspfPseudonodeCaseBuilder().setOspfPseudonode(new OspfPseudonodeBuilder().setOspfRouterId(0x03030304L).setLanInterface(new OspfInterfaceIdentifier(0x0b0b0b03L)).build()).build()).build());
    linkstates.add(clBuilder.setObjectType(lCase.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(100L).build());
    assertEquals(paBuilder.getLocalPref(), attrs.getLocalPref());
    final MpReachNlri mp = attrs.getAugmentation(Attributes1.class).getMpReachNlri();
    assertEquals(mpBuilder.getAfi(), mp.getAfi());
    assertEquals(mpBuilder.getSafi(), mp.getSafi());
    assertEquals(mpBuilder.getCNextHop(), mp.getCNextHop());
    final DestinationLinkstateBuilder dBuilder = new DestinationLinkstateBuilder();
    dBuilder.setCLinkstateDestination(linkstates);
    mpBuilder.setAdvertizedRoutes(new AdvertizedRoutesBuilder().setDestinationType(new DestinationLinkstateCaseBuilder().setDestinationLinkstate(dBuilder.build()).build()).build());
    lsBuilder.setMpReachNlri(mpBuilder.build());
    paBuilder.addAugmentation(Attributes1.class, lsBuilder.build());
    final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.Attributes1Builder lsAttrBuilder = new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.Attributes1Builder();
    lsAttrBuilder.setLinkStateAttribute(new LinkAttributesCaseBuilder().setLinkAttributes(new LinkAttributesBuilder().setMetric(new Metric(1L)).build()).build());
    paBuilder.addAugmentation(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.Attributes1.class, lsAttrBuilder.build());
    paBuilder.setUnrecognizedAttributes(Collections.emptyList());
    assertEquals(lsAttrBuilder.build(), attrs.getAugmentation(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev171207.Attributes1.class));
    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(inputBytes.get(1), ByteArray.readAllBytes(buffer));
}

Example 25 with Origin

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

the class VpnInterfaceManager method processVpnInterfaceAdjacencies.

@SuppressWarnings("checkstyle:IllegalCatch")
protected void processVpnInterfaceAdjacencies(BigInteger dpnId, final int lportTag, String vpnName, String primaryRd, String interfaceName, final long vpnId, WriteTransaction writeConfigTxn, WriteTransaction writeOperTxn, final WriteTransaction writeInvTxn, Interface interfaceState) {
    InstanceIdentifier<VpnInterface> identifier = VpnUtil.getVpnInterfaceIdentifier(interfaceName);
    // Read NextHops
    InstanceIdentifier<Adjacencies> path = identifier.augmentation(Adjacencies.class);
    Optional<Adjacencies> adjacencies = VpnUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, path);
    if (!adjacencies.isPresent()) {
        addVpnInterfaceToOperational(vpnName, interfaceName, dpnId, null, /*adjacencies*/
        lportTag, null, /*gwMac*/
        writeOperTxn);
        return;
    }
    // Get the rd of the vpn instance
    String nextHopIp = null;
    try {
        nextHopIp = InterfaceUtils.getEndpointIpAddressForDPN(dataBroker, dpnId);
    } catch (Exception e) {
        LOG.error("processVpnInterfaceAdjacencies: Unable to retrieve endpoint ip address for " + "dpnId {} for vpnInterface {} vpnName {}", dpnId, interfaceName, vpnName);
    }
    List<String> nhList = new ArrayList<>();
    if (nextHopIp != null) {
        nhList.add(nextHopIp);
        LOG.debug("processVpnInterfaceAdjacencies: NextHop for interface {} on dpn {} in vpn {} is {}", interfaceName, dpnId, vpnName, nhList);
    }
    Optional<String> gwMac = Optional.absent();
    String vpnInterfaceSubnetGwMacAddress = null;
    VpnInstanceOpDataEntry vpnInstanceOpData = VpnUtil.getVpnInstanceOpData(dataBroker, primaryRd);
    Long l3vni = vpnInstanceOpData.getL3vni();
    boolean isL3VpnOverVxLan = VpnUtil.isL3VpnOverVxLan(l3vni);
    VrfEntry.EncapType encapType = isL3VpnOverVxLan ? VrfEntry.EncapType.Vxlan : VrfEntry.EncapType.Mplsgre;
    VpnPopulator registeredPopulator = L3vpnRegistry.getRegisteredPopulator(encapType);
    List<Adjacency> nextHops = adjacencies.get().getAdjacency();
    List<Adjacency> value = new ArrayList<>();
    for (Adjacency nextHop : nextHops) {
        String rd = primaryRd;
        String nexthopIpValue = nextHop.getIpAddress().split("/")[0];
        if (vpnInstanceOpData.getBgpvpnType() == VpnInstanceOpDataEntry.BgpvpnType.BGPVPNInternet && NWUtil.isIpv4Address(nexthopIpValue)) {
            String prefix = nextHop.getIpAddress() == null ? "null" : VpnUtil.getIpPrefix(nextHop.getIpAddress());
            LOG.debug("processVpnInterfaceAdjacencies: UnsupportedOperation : Not Adding prefix {} to interface {}" + " as InternetVpn has an IPV4 address {}", prefix, interfaceName, vpnName);
            continue;
        }
        if (nextHop.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
            String prefix = VpnUtil.getIpPrefix(nextHop.getIpAddress());
            Prefixes.PrefixCue prefixCue = nextHop.isPhysNetworkFunc() ? Prefixes.PrefixCue.PhysNetFunc : Prefixes.PrefixCue.None;
            LOG.debug("processVpnInterfaceAdjacencies: Adding prefix {} to interface {} with nextHops {} on dpn {}" + " for vpn {}", prefix, interfaceName, nhList, dpnId, vpnName);
            writeOperTxn.merge(LogicalDatastoreType.OPERATIONAL, VpnUtil.getPrefixToInterfaceIdentifier(VpnUtil.getVpnId(dataBroker, vpnName), prefix), VpnUtil.getPrefixToInterface(dpnId, interfaceName, prefix, nextHop.getSubnetId(), prefixCue), true);
            final Uuid subnetId = nextHop.getSubnetId();
            String gatewayIp = nextHop.getSubnetGatewayIp();
            if (gatewayIp == null) {
                Optional<String> gatewayIpOptional = VpnUtil.getVpnSubnetGatewayIp(dataBroker, subnetId);
                if (gatewayIpOptional.isPresent()) {
                    gatewayIp = gatewayIpOptional.get();
                }
            }
            if (gatewayIp != null) {
                gwMac = getMacAddressForSubnetIp(vpnName, interfaceName, gatewayIp);
                if (gwMac.isPresent()) {
                    // A valid mac-address is available for this subnet-gateway-ip
                    // Use this for programming ARP_RESPONDER table here.  And save this
                    // info into vpnInterface operational, so it can used in VrfEntryProcessor
                    // to populate L3_GW_MAC_TABLE there.
                    arpResponderHandler.addArpResponderFlow(dpnId, lportTag, interfaceName, gatewayIp, gwMac.get());
                    vpnInterfaceSubnetGwMacAddress = gwMac.get();
                } else {
                    // A valid mac-address is not available for this subnet-gateway-ip
                    // Use the connected-mac-address to configure ARP_RESPONDER Table.
                    // Save this connected-mac-address as gateway-mac-address for the
                    // VrfEntryProcessor to use this later to populate the L3_GW_MAC_TABLE.
                    gwMac = InterfaceUtils.getMacAddressFromInterfaceState(interfaceState);
                    if (gwMac.isPresent()) {
                        VpnUtil.setupGwMacIfExternalVpn(dataBroker, mdsalManager, dpnId, interfaceName, vpnId, writeInvTxn, NwConstants.ADD_FLOW, gwMac.get());
                        arpResponderHandler.addArpResponderFlow(dpnId, lportTag, interfaceName, gatewayIp, gwMac.get());
                    } else {
                        LOG.error("processVpnInterfaceAdjacencies: Gateway MAC for subnet ID {} could not be " + "obtained, cannot create ARP responder flow for interface name {}, vpnName {}, " + "gwIp {}", subnetId, interfaceName, vpnName, gatewayIp);
                    }
                }
            } else {
                LOG.warn("processVpnInterfaceAdjacencies: Gateway IP for subnet ID {} could not be obtained, " + "cannot create ARP responder flow for interface name {}, vpnName {}", subnetId, interfaceName, vpnName);
                gwMac = InterfaceUtils.getMacAddressFromInterfaceState(interfaceState);
            }
            LOG.info("processVpnInterfaceAdjacencies: Added prefix {} to interface {} with nextHops {} on dpn {}" + " for vpn {}", prefix, interfaceName, nhList, dpnId, vpnName);
        } else {
            // Extra route adjacency
            String prefix = VpnUtil.getIpPrefix(nextHop.getIpAddress());
            String vpnPrefixKey = VpnUtil.getVpnNamePrefixKey(vpnName, prefix);
            synchronized (vpnPrefixKey.intern()) {
                java.util.Optional<String> rdToAllocate = VpnUtil.allocateRdForExtraRouteAndUpdateUsedRdsMap(dataBroker, vpnId, null, prefix, vpnName, nextHop.getNextHopIpList().get(0), dpnId);
                if (rdToAllocate.isPresent()) {
                    rd = rdToAllocate.get();
                    LOG.info("processVpnInterfaceAdjacencies: The rd {} is allocated for the extraroute {}", rd, prefix);
                } else {
                    LOG.error("processVpnInterfaceAdjacencies: No rds to allocate extraroute {}", prefix);
                    continue;
                }
            }
            LOG.info("processVpnInterfaceAdjacencies: Added prefix {} and nextHopList {} as extra-route for vpn{}" + " interface {} on dpn {}", nextHop.getIpAddress(), nextHop.getNextHopIpList(), vpnName, interfaceName, dpnId);
        }
        // Please note that primary adjacency will use a subnet-gateway-mac-address that
        // can be different from the gateway-mac-address within the VRFEntry as the
        // gateway-mac-address is a superset.
        RouteOrigin origin = nextHop.getAdjacencyType() == AdjacencyType.PrimaryAdjacency ? RouteOrigin.LOCAL : RouteOrigin.STATIC;
        L3vpnInput input = new L3vpnInput().setNextHop(nextHop).setRd(rd).setVpnName(vpnName).setInterfaceName(interfaceName).setNextHopIp(nextHopIp).setPrimaryRd(primaryRd).setSubnetGatewayMacAddress(vpnInterfaceSubnetGwMacAddress).setRouteOrigin(origin);
        Adjacency operationalAdjacency = null;
        try {
            operationalAdjacency = registeredPopulator.createOperationalAdjacency(input);
        } catch (NullPointerException e) {
            LOG.error("processVpnInterfaceAdjacencies: failed to create operational adjacency: input: {}, {}", input, e.getMessage());
            return;
        }
        if (nextHop.getAdjacencyType() != AdjacencyType.PrimaryAdjacency) {
            vpnManager.addExtraRoute(vpnName, nextHop.getIpAddress(), nextHop.getNextHopIpList().get(0), rd, vpnName, l3vni, origin, interfaceName, operationalAdjacency, encapType, writeConfigTxn);
        }
        value.add(operationalAdjacency);
    }
    AdjacenciesOp aug = VpnUtil.getVpnInterfaceOpDataEntryAugmentation(value);
    addVpnInterfaceToOperational(vpnName, interfaceName, dpnId, aug, lportTag, gwMac.isPresent() ? gwMac.get() : null, writeOperTxn);
    L3vpnInput input = new L3vpnInput().setNextHopIp(nextHopIp).setL3vni(l3vni).setPrimaryRd(primaryRd).setGatewayMac(gwMac.orNull()).setInterfaceName(interfaceName).setVpnName(vpnName).setDpnId(dpnId).setEncapType(encapType);
    for (Adjacency nextHop : aug.getAdjacency()) {
        // Adjacencies other than primary Adjacencies are handled in the addExtraRoute call above.
        if (nextHop.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
            RouteOrigin origin = nextHop.getAdjacencyType() == AdjacencyType.PrimaryAdjacency ? RouteOrigin.LOCAL : RouteOrigin.STATIC;
            input.setNextHop(nextHop).setRd(nextHop.getVrfId()).setRouteOrigin(origin);
            registeredPopulator.populateFib(input, writeConfigTxn);
        }
    }
}