Examples with Adjacency org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.adjacency.list.Adjacency used on opensource projects

Example 21 with Adjacency

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.adjacency.list.Adjacency in project netvirt by opendaylight.

the class BaseVrfEntryHandler method resolveAdjacency.

@NonNull
protected List<AdjacencyResult> resolveAdjacency(final Uint64 remoteDpnId, final Uint32 vpnId, final VrfEntry vrfEntry, String rd) {
    List<RoutePaths> routePaths = new ArrayList<RoutePaths>(vrfEntry.nonnullRoutePaths().values());
    FibHelper.sortIpAddress(routePaths);
    List<AdjacencyResult> adjacencyList = new ArrayList<>();
    List<String> prefixIpList;
    LOG.trace("resolveAdjacency called with remotedDpnId {}, vpnId{}, VrfEntry {}", remoteDpnId, vpnId, vrfEntry);
    final Class<? extends TunnelTypeBase> tunnelType;
    try {
        if (RouteOrigin.value(vrfEntry.getOrigin()) != RouteOrigin.BGP) {
            tunnelType = TunnelTypeVxlan.class;
            List<String> usedRds = VpnExtraRouteHelper.getUsedRds(dataBroker, vpnId, vrfEntry.getDestPrefix());
            List<Routes> vpnExtraRoutes = VpnExtraRouteHelper.getAllVpnExtraRoutes(dataBroker, fibUtil.getVpnNameFromId(vpnId), usedRds, vrfEntry.getDestPrefix());
            if (vpnExtraRoutes.isEmpty()) {
                Prefixes prefixInfo = fibUtil.getPrefixToInterface(vpnId, vrfEntry.getDestPrefix());
                /* We don't want to provide an adjacencyList for
                     * (1) an extra-route-prefix or,
                     * (2) for a local route without prefix-to-interface.
                     * Allow only self-imported routes in such cases */
                if (prefixInfo == null && FibHelper.isControllerManagedNonSelfImportedRoute(RouteOrigin.value(vrfEntry.getOrigin()))) {
                    LOG.debug("The prefix {} in rd {} for vpn {} does not have a valid extra-route or" + " prefix-to-interface entry in the data-store", vrfEntry.getDestPrefix(), rd, vpnId);
                    return adjacencyList;
                }
                prefixIpList = Collections.singletonList(vrfEntry.getDestPrefix());
            } else {
                List<String> prefixIpListLocal = new ArrayList<>();
                vpnExtraRoutes.stream().filter(route -> route.getNexthopIpList() != null).forEach(route -> route.getNexthopIpList().forEach(extraRouteIp -> {
                    String ipPrefix;
                    if (isIpv4Address(extraRouteIp)) {
                        ipPrefix = extraRouteIp + NwConstants.IPV4PREFIX;
                    } else {
                        ipPrefix = extraRouteIp + NwConstants.IPV6PREFIX;
                    }
                    prefixIpListLocal.add(ipPrefix);
                }));
                prefixIpList = prefixIpListLocal;
            }
        } else {
            prefixIpList = Collections.singletonList(vrfEntry.getDestPrefix());
            if (vrfEntry.getEncapType() == VrfEntry.EncapType.Mplsgre) {
                tunnelType = TunnelTypeMplsOverGre.class;
            } else {
                tunnelType = TunnelTypeVxlan.class;
            }
        }
        for (String prefixIp : prefixIpList) {
            if (routePaths == null || routePaths.isEmpty()) {
                LOG.trace("Processing Destination IP {} without NextHop IP", prefixIp);
                AdjacencyResult adjacencyResult = nextHopManager.getRemoteNextHopPointer(remoteDpnId, vpnId, prefixIp, null, tunnelType);
                addAdjacencyResultToList(adjacencyList, adjacencyResult);
                continue;
            }
            adjacencyList.addAll(routePaths.stream().map(routePath -> {
                LOG.debug("NextHop IP for destination {} is {}", prefixIp, routePath.getNexthopAddress());
                return nextHopManager.getRemoteNextHopPointer(remoteDpnId, vpnId, prefixIp, routePath.getNexthopAddress(), tunnelType);
            }).filter(adjacencyResult -> adjacencyResult != null && !adjacencyList.contains(adjacencyResult)).distinct().collect(toList()));
        }
    } catch (NullPointerException e) {
        // FIXME: NPEs should not be caught but rather their root cause should be eliminated
        LOG.trace("Failed to remove adjacency", e);
    }
    return adjacencyList;
}

Example 22 with Adjacency

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.adjacency.list.Adjacency in project netvirt by opendaylight.

the class VpnInterfaceManager method advertiseAdjacenciesForVpnToBgp.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
private void advertiseAdjacenciesForVpnToBgp(final String rd, Uint64 dpnId, final InstanceIdentifier<VpnInterfaceOpDataEntry> identifier, String vpnName, String interfaceName) {
    if (rd == null) {
        LOG.error("advertiseAdjacenciesForVpnFromBgp: Unable to recover rd for interface {} on dpn {} in vpn {}", interfaceName, dpnId, vpnName);
        return;
    } else {
        if (rd.equals(vpnName)) {
            LOG.info("advertiseAdjacenciesForVpnFromBgp: Ignoring BGP advertisement for interface {} on dpn {}" + " as it is in internal vpn{} with rd {}", interfaceName, dpnId, vpnName, rd);
            return;
        }
    }
    LOG.info("advertiseAdjacenciesForVpnToBgp: Advertising interface {} on dpn {} in vpn {} with rd {} ", interfaceName, dpnId, vpnName, rd);
    String nextHopIp = InterfaceUtils.getEndpointIpAddressForDPN(dataBroker, dpnId);
    if (nextHopIp == null) {
        LOG.error("advertiseAdjacenciesForVpnToBgp: NextHop for interface {} on dpn {} is null," + " returning from advertising route with rd {} vpn {} to bgp", interfaceName, dpnId, rd, vpnName);
        return;
    }
    try {
        // Read NextHops
        InstanceIdentifier<AdjacenciesOp> path = identifier.augmentation(AdjacenciesOp.class);
        Optional<AdjacenciesOp> adjacencies = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.OPERATIONAL, path);
        if (adjacencies.isPresent()) {
            Map<AdjacencyKey, Adjacency> nextHopsMap = adjacencies.get().getAdjacency();
            if (nextHopsMap != null && !nextHopsMap.isEmpty()) {
                LOG.debug("advertiseAdjacenciesForVpnToBgp:  NextHops are {} for interface {} on dpn {} for vpn {}" + " rd {}", nextHopsMap, interfaceName, dpnId, vpnName, rd);
                VpnInstanceOpDataEntry vpnInstanceOpData = vpnUtil.getVpnInstanceOpData(rd);
                Uint32 l3vni = vpnInstanceOpData.getL3vni();
                VrfEntry.EncapType encapType = VpnUtil.isL3VpnOverVxLan(l3vni) ? VrfEntry.EncapType.Vxlan : VrfEntry.EncapType.Mplsgre;
                for (Adjacency nextHop : nextHopsMap.values()) {
                    if (nextHop.getAdjacencyType() == AdjacencyType.ExtraRoute) {
                        continue;
                    }
                    String gatewayMac = null;
                    Uint32 label = Uint32.ZERO;
                    if (VpnUtil.isL3VpnOverVxLan(l3vni)) {
                        final VpnPortipToPort gwPort = vpnUtil.getNeutronPortFromVpnPortFixedIp(vpnInstanceOpData.getVpnInstanceName(), nextHop.getIpAddress());
                        gatewayMac = arpResponderHandler.getGatewayMacAddressForInterface(gwPort, interfaceName).get();
                    } else {
                        label = nextHop.getLabel();
                    }
                    try {
                        LOG.info("VPN ADVERTISE: advertiseAdjacenciesForVpnToBgp: Adding Fib Entry rd {} prefix {}" + " nexthop {} label {}", rd, nextHop.getIpAddress(), nextHopIp, label);
                        bgpManager.advertisePrefix(rd, nextHop.getMacAddress(), nextHop.getIpAddress(), nextHopIp, encapType, label, l3vni, Uint32.ZERO, /*l2vni*/
                        gatewayMac);
                        LOG.info("VPN ADVERTISE: advertiseAdjacenciesForVpnToBgp: Added Fib Entry rd {} prefix {}" + " nexthop {} label {} for interface {} on dpn {} for vpn {}", rd, nextHop.getIpAddress(), nextHopIp, label, interfaceName, dpnId, vpnName);
                    } catch (Exception e) {
                        LOG.error("advertiseAdjacenciesForVpnToBgp: Failed to advertise prefix {} in vpn {}" + " with rd {} for interface {} on dpn {}", nextHop.getIpAddress(), vpnName, rd, interfaceName, dpnId, e);
                    }
                }
            }
        }
    } catch (InterruptedException | ExecutionException e) {
        LOG.error("advertiseAdjacenciesForVpnToBgp: Failed to read data store for interface {} dpn {} nexthop {}" + "vpn {} rd {}", interfaceName, dpnId, nextHopIp, vpnName, rd);
    }
}

Example 23 with Adjacency

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.adjacency.list.Adjacency in project netvirt by opendaylight.

the class VpnInterfaceManager method removeAdjacenciesFromVpn.

private void removeAdjacenciesFromVpn(final Uint64 dpnId, final int lportTag, final String interfaceName, final String vpnName, final Uint32 vpnId, String gwMac, TypedWriteTransaction<Configuration> writeConfigTxn, TypedWriteTransaction<Operational> writeOperTxn, TypedReadWriteTransaction<Configuration> writeInvTxn) throws ExecutionException, InterruptedException {
    // Read NextHops
    try {
        InstanceIdentifier<VpnInterfaceOpDataEntry> identifier = VpnUtil.getVpnInterfaceOpDataEntryIdentifier(interfaceName, vpnName);
        Optional<VpnInterfaceOpDataEntry> vpnInterfaceOpDataEnteryOptional = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.OPERATIONAL, identifier);
        boolean isNonPrimaryAdjIp = false;
        String primaryRd = vpnUtil.getVpnRd(vpnName);
        LOG.info("removeAdjacenciesFromVpn: For interface {} on dpn {} RD recovered for vpn {} as rd {}", interfaceName, dpnId, vpnName, primaryRd);
        if (!vpnInterfaceOpDataEnteryOptional.isPresent()) {
            LOG.error("removeAdjacenciesFromVpn: VpnInterfaceOpDataEntry-Oper DS is absent for Interface {} " + "on vpn {} dpn {}", interfaceName, vpnName, dpnId);
            return;
        }
        AdjacenciesOp adjacencies = vpnInterfaceOpDataEnteryOptional.get().augmentation(AdjacenciesOp.class);
        if (adjacencies != null && adjacencies.getAdjacency() != null) {
            Map<AdjacencyKey, Adjacency> nextHopsMap = adjacencies.nonnullAdjacency();
            LOG.info("removeAdjacenciesFromVpn: NextHops for interface {} on dpn {} for vpn {} are {}", interfaceName, dpnId, vpnName, nextHopsMap);
            for (Adjacency nextHop : nextHopsMap.values()) {
                if (nextHop.isPhysNetworkFunc()) {
                    LOG.info("removeAdjacenciesFromVpn: Removing PNF FIB entry rd {} prefix {}", nextHop.getSubnetId().getValue(), nextHop.getIpAddress());
                    fibManager.removeFibEntry(nextHop.getSubnetId().getValue(), nextHop.getIpAddress(), null, null);
                } else {
                    String rd = nextHop.getVrfId();
                    List<String> nhList;
                    if (nextHop.getAdjacencyType() != AdjacencyType.PrimaryAdjacency) {
                        nhList = getNextHopForNonPrimaryAdjacency(nextHop, vpnName, dpnId, interfaceName);
                        isNonPrimaryAdjIp = Boolean.TRUE;
                    } else {
                        // This is a primary adjacency
                        nhList = nextHop.getNextHopIpList() != null ? nextHop.getNextHopIpList() : emptyList();
                        removeGwMacAndArpResponderFlows(nextHop, vpnId, dpnId, lportTag, gwMac, vpnInterfaceOpDataEnteryOptional.get().getGatewayIpAddress(), interfaceName, writeInvTxn);
                        isNonPrimaryAdjIp = Boolean.FALSE;
                    }
                    if (!nhList.isEmpty()) {
                        if (Objects.equals(primaryRd, vpnName)) {
                            // this is an internal vpn - the rd is assigned to the vpn instance name;
                            // remove from FIB directly
                            nhList.forEach(removeAdjacencyFromInternalVpn(nextHop, vpnName, interfaceName, dpnId, writeConfigTxn, writeOperTxn));
                        } else {
                            removeAdjacencyFromBgpvpn(nextHop, nhList, vpnName, primaryRd, dpnId, rd, interfaceName, isNonPrimaryAdjIp, writeConfigTxn, writeOperTxn);
                        }
                    } else {
                        LOG.error("removeAdjacenciesFromVpn: nextHop empty for ip {} rd {} adjacencyType {}" + " interface {}", nextHop.getIpAddress(), rd, nextHop.getAdjacencyType().toString(), interfaceName);
                        bgpManager.withdrawPrefixIfPresent(rd, nextHop.getIpAddress());
                        fibManager.removeFibEntry(primaryRd, nextHop.getIpAddress(), null, writeConfigTxn);
                    }
                }
                String ip = nextHop.getIpAddress().split("/")[0];
                LearntVpnVipToPort vpnVipToPort = vpnUtil.getLearntVpnVipToPort(vpnName, ip);
                if (vpnVipToPort != null && vpnVipToPort.getPortName().equals(interfaceName)) {
                    vpnUtil.removeLearntVpnVipToPort(vpnName, ip, null);
                    LOG.info("removeAdjacenciesFromVpn: VpnInterfaceManager removed LearntVpnVipToPort entry" + " for Interface {} ip {} on dpn {} for vpn {}", vpnVipToPort.getPortName(), ip, dpnId, vpnName);
                }
                // Remove the MIP-IP from VpnPortIpToPort.
                if (isNonPrimaryAdjIp) {
                    VpnPortipToPort persistedIp = vpnUtil.getVpnPortipToPort(vpnName, ip);
                    if (persistedIp != null && persistedIp.isLearntIp() && persistedIp.getPortName().equals(interfaceName)) {
                        VpnUtil.removeVpnPortFixedIpToPort(dataBroker, vpnName, ip, null);
                        LOG.info("removeAdjacenciesFromVpn: Learnt-IP: {} interface {} of vpn {} removed " + "from VpnPortipToPort", persistedIp.getPortFixedip(), persistedIp.getPortName(), vpnName);
                    }
                }
                VpnPortipToPort vpnPortipToPort = vpnUtil.getNeutronPortFromVpnPortFixedIp(vpnName, ip);
                if (vpnPortipToPort != null) {
                    VpnUtil.removeVpnPortFixedIpToPort(dataBroker, vpnName, ip, null);
                    LOG.info("removeAdjacenciesFromVpn: VpnInterfaceManager removed vpnPortipToPort entry for " + "Interface {} ip {} on dpn {} for vpn {}", vpnPortipToPort.getPortName(), ip, dpnId, vpnName);
                }
            }
        } else {
            // this vpn interface has no more adjacency left, so clean up the vpn interface from Operational DS
            LOG.info("removeAdjacenciesFromVpn: Vpn Interface {} on vpn {} dpn {} has no adjacencies." + " Removing it.", interfaceName, vpnName, dpnId);
            writeOperTxn.delete(identifier);
        }
    } catch (InterruptedException | ExecutionException e) {
        LOG.error("removeAdjacenciesFromVpn: Failed to read data store for interface {} dpn {} vpn {}", interfaceName, dpnId, vpnName);
    }
}

Example 24 with Adjacency

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.adjacency.list.Adjacency in project netvirt by opendaylight.

the class VpnInterfaceManager method createFibEntryForRouterInterface.

protected void createFibEntryForRouterInterface(String primaryRd, VpnInterface vpnInterface, String interfaceName, TypedWriteTransaction<Configuration> writeConfigTxn, String vpnName) {
    if (vpnInterface == null) {
        return;
    }
    List<Adjacency> adjs = vpnUtil.getAdjacenciesForVpnInterfaceFromConfig(interfaceName);
    if (adjs == null) {
        LOG.error("createFibEntryForRouterInterface: VPN Interface {} of router addition failed as adjacencies for" + " this vpn interface could not be obtained. vpn {}", interfaceName, vpnName);
        return;
    }
    for (Adjacency adj : adjs) {
        if (adj.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
            String primaryInterfaceIp = adj.getIpAddress();
            String macAddress = adj.getMacAddress();
            String prefix = VpnUtil.getIpPrefix(primaryInterfaceIp);
            Uint32 label = vpnUtil.getUniqueId(VpnConstants.VPN_IDPOOL_NAME, VpnUtil.getNextHopLabelKey(primaryRd, prefix));
            if (label.longValue() == VpnConstants.INVALID_LABEL) {
                LOG.error("createFibEntryForRouterInterface: Unable to retrieve label for vpn pool {}, " + "vpninterface {}, vpn {}, rd {}", VpnConstants.VPN_IDPOOL_NAME, interfaceName, vpnName, primaryRd);
                return;
            }
            RouterInterface routerInt = new RouterInterfaceBuilder().setUuid(vpnName).setIpAddress(primaryInterfaceIp).setMacAddress(macAddress).build();
            fibManager.addFibEntryForRouterInterface(primaryRd, prefix, routerInt, label, writeConfigTxn);
            LOG.info("createFibEntryForRouterInterface: Router interface {} for vpn {} rd {} prefix {} label {}" + " macAddress {} processed successfully;", interfaceName, vpnName, primaryRd, prefix, label, macAddress);
        } else {
            LOG.error("createFibEntryForRouterInterface: VPN Interface {} of router addition failed as primary" + " adjacency for this vpn interface could not be obtained. rd {} vpnName {}", interfaceName, primaryRd, vpnName);
        }
    }
}

Example 25 with Adjacency

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.neutronvpn.l3vpn.rev200204.adjacency.list.Adjacency in project netvirt by opendaylight.

the class VpnInterfaceManager method addNewAdjToVpnInterface.

protected void addNewAdjToVpnInterface(InstanceIdentifier<VpnInterfaceOpDataEntry> identifier, String primaryRd, Adjacency adj, Uint64 dpnId, TypedWriteTransaction<Operational> writeOperTxn, TypedWriteTransaction<Configuration> writeConfigTxn, TypedReadWriteTransaction<Configuration> writeInvTxn, Set<String> prefixListForRefreshFib) throws ExecutionException, InterruptedException {
    String interfaceName = identifier.firstKeyOf(VpnInterfaceOpDataEntry.class).getName();
    String configVpnName = identifier.firstKeyOf(VpnInterfaceOpDataEntry.class).getVpnInstanceName();
    try {
        Optional<VpnInterfaceOpDataEntry> optVpnInterface = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.OPERATIONAL, identifier);
        if (optVpnInterface.isPresent()) {
            VpnInterfaceOpDataEntry currVpnIntf = optVpnInterface.get();
            String prefix = VpnUtil.getIpPrefix(adj.getIpAddress());
            String vpnName = currVpnIntf.getVpnInstanceName();
            VpnInstanceOpDataEntry vpnInstanceOpData = vpnUtil.getVpnInstanceOpData(primaryRd);
            InstanceIdentifier<AdjacenciesOp> adjPath = identifier.augmentation(AdjacenciesOp.class);
            Optional<AdjacenciesOp> optAdjacencies = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.OPERATIONAL, adjPath);
            boolean isL3VpnOverVxLan = VpnUtil.isL3VpnOverVxLan(vpnInstanceOpData.getL3vni());
            VrfEntry.EncapType encapType = VpnUtil.getEncapType(isL3VpnOverVxLan);
            Uint32 l3vni = vpnInstanceOpData.getL3vni() == null ? Uint32.ZERO : vpnInstanceOpData.getL3vni();
            VpnPopulator populator = L3vpnRegistry.getRegisteredPopulator(encapType);
            List<Adjacency> adjacencies = new ArrayList<>();
            if (optAdjacencies.isPresent() && optAdjacencies.get().getAdjacency() != null) {
                adjacencies.addAll(optAdjacencies.get().getAdjacency().values());
            }
            Uint32 vpnId = vpnUtil.getVpnId(vpnName);
            L3vpnInput input = new L3vpnInput().setNextHop(adj).setVpnName(vpnName).setInterfaceName(currVpnIntf.getName()).setPrimaryRd(primaryRd).setRd(primaryRd);
            Adjacency operationalAdjacency = null;
            // Handling dual stack neutron port primary adjacency
            if (adj.getAdjacencyType() == AdjacencyType.PrimaryAdjacency && !adj.isPhysNetworkFunc()) {
                LOG.trace("addNewAdjToVpnInterface: Adding prefix {} to existing interface {} for vpn {}", prefix, currVpnIntf.getName(), vpnName);
                Interface interfaceState = InterfaceUtils.getInterfaceStateFromOperDS(dataBroker, currVpnIntf.getName());
                if (interfaceState != null) {
                    processVpnInterfaceAdjacencies(dpnId, currVpnIntf.getLportTag().intValue(), vpnName, primaryRd, currVpnIntf.getName(), vpnId, writeConfigTxn, writeOperTxn, writeInvTxn, interfaceState, prefixListForRefreshFib);
                }
            }
            if (adj.getNextHopIpList() != null && !adj.getNextHopIpList().isEmpty() && adj.getAdjacencyType() != AdjacencyType.PrimaryAdjacency) {
                RouteOrigin origin = adj.getAdjacencyType() == AdjacencyType.LearntIp ? RouteOrigin.DYNAMIC : RouteOrigin.STATIC;
                String nh = adj.getNextHopIpList().get(0);
                String vpnPrefixKey = VpnUtil.getVpnNamePrefixKey(vpnName, prefix);
                // FIXME: separate out to somehow?
                final ReentrantLock lock = JvmGlobalLocks.getLockForString(vpnPrefixKey);
                lock.lock();
                try {
                    java.util.Optional<String> rdToAllocate = vpnUtil.allocateRdForExtraRouteAndUpdateUsedRdsMap(vpnId, null, prefix, vpnName, nh, dpnId);
                    if (rdToAllocate.isPresent()) {
                        input.setRd(rdToAllocate.get());
                        operationalAdjacency = populator.createOperationalAdjacency(input);
                        int label = operationalAdjacency.getLabel().intValue();
                        vpnManager.addExtraRoute(vpnName, adj.getIpAddress(), nh, rdToAllocate.get(), currVpnIntf.getVpnInstanceName(), l3vni, origin, currVpnIntf.getName(), operationalAdjacency, encapType, prefixListForRefreshFib, writeConfigTxn);
                        LOG.info("addNewAdjToVpnInterface: Added extra route ip {} nh {} rd {} vpnname {} label {}" + " Interface {} on dpn {}", adj.getIpAddress(), nh, rdToAllocate.get(), vpnName, label, currVpnIntf.getName(), dpnId);
                    } else {
                        LOG.error("addNewAdjToVpnInterface: No rds to allocate extraroute vpn {} prefix {}", vpnName, prefix);
                        return;
                    }
                    // Keeping the MPLS check for now.
                    if (encapType.equals(VrfEntryBase.EncapType.Mplsgre)) {
                        final Adjacency opAdjacency = new AdjacencyBuilder(operationalAdjacency).build();
                        List<VpnInstanceOpDataEntry> vpnsToImportRoute = vpnUtil.getVpnsImportingMyRoute(vpnName);
                        vpnsToImportRoute.forEach(vpn -> {
                            if (vpn.getVrfId() != null) {
                                vpnUtil.allocateRdForExtraRouteAndUpdateUsedRdsMap(vpn.getVpnId(), vpnId, prefix, vpnUtil.getVpnName(vpn.getVpnId()), nh, dpnId).ifPresent(rds -> vpnManager.addExtraRoute(vpnUtil.getVpnName(vpn.getVpnId()), adj.getIpAddress(), nh, rds, currVpnIntf.getVpnInstanceName(), l3vni, RouteOrigin.SELF_IMPORTED, currVpnIntf.getName(), opAdjacency, encapType, prefixListForRefreshFib, writeConfigTxn));
                            }
                        });
                    }
                } finally {
                    lock.unlock();
                }
            } else if (adj.isPhysNetworkFunc()) {
                // PNF adjacency.
                LOG.trace("addNewAdjToVpnInterface: Adding prefix {} to interface {} for vpn {}", prefix, currVpnIntf.getName(), vpnName);
                InstanceIdentifier<VpnInterface> vpnIfaceConfigidentifier = VpnUtil.getVpnInterfaceIdentifier(currVpnIntf.getName());
                Optional<VpnInterface> vpnIntefaceConfig = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION, vpnIfaceConfigidentifier);
                Prefixes pnfPrefix = VpnUtil.getPrefixToInterface(Uint64.ZERO, currVpnIntf.getName(), prefix, Prefixes.PrefixCue.PhysNetFunc);
                if (vpnIntefaceConfig.isPresent()) {
                    pnfPrefix = VpnUtil.getPrefixToInterface(Uint64.ZERO, currVpnIntf.getName(), prefix, vpnIntefaceConfig.get().getNetworkId(), vpnIntefaceConfig.get().getNetworkType(), vpnIntefaceConfig.get().getSegmentationId().toJava(), Prefixes.PrefixCue.PhysNetFunc);
                }
                String parentVpnRd = getParentVpnRdForExternalSubnet(adj);
                writeOperTxn.mergeParentStructureMerge(VpnUtil.getPrefixToInterfaceIdentifier(vpnUtil.getVpnId(adj.getSubnetId().getValue()), prefix), pnfPrefix);
                fibManager.addOrUpdateFibEntry(adj.getSubnetId().getValue(), adj.getMacAddress(), adj.getIpAddress(), emptyList(), null, /* EncapType */
                Uint32.ZERO, /* label */
                Uint32.ZERO, /*l3vni*/
                null, /* gw-mac */
                parentVpnRd, RouteOrigin.LOCAL, writeConfigTxn);
                input.setRd(adj.getVrfId());
            }
            if (operationalAdjacency == null) {
                operationalAdjacency = populator.createOperationalAdjacency(input);
            }
            adjacencies.add(operationalAdjacency);
            AdjacenciesOp aug = VpnUtil.getVpnInterfaceOpDataEntryAugmentation(adjacencies);
            VpnInterfaceOpDataEntry newVpnIntf = VpnUtil.getVpnInterfaceOpDataEntry(currVpnIntf.getName(), currVpnIntf.getVpnInstanceName(), aug, dpnId, currVpnIntf.getLportTag().toJava(), currVpnIntf.getGatewayMacAddress(), currVpnIntf.getGatewayIpAddress());
            writeOperTxn.mergeParentStructureMerge(identifier, newVpnIntf);
        }
    } catch (InterruptedException | ExecutionException e) {
        LOG.error("addNewAdjToVpnInterface: Failed to read data store for interface {} dpn {} vpn {} rd {} ip " + "{}", interfaceName, dpnId, configVpnName, primaryRd, adj.getIpAddress());
    }
}