Examples with Bgp org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.Bgp used on opensource projects

Example 71 with Bgp

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.Bgp 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, BigInteger 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;
    }
    // Read NextHops
    InstanceIdentifier<AdjacenciesOp> path = identifier.augmentation(AdjacenciesOp.class);
    Optional<AdjacenciesOp> adjacencies = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, path);
    if (adjacencies.isPresent()) {
        List<Adjacency> nextHops = adjacencies.get().getAdjacency();
        if (!nextHops.isEmpty()) {
            LOG.debug("advertiseAdjacenciesForVpnToBgp:  NextHops are {} for interface {} on dpn {} for vpn {}" + " rd {}", nextHops, interfaceName, dpnId, vpnName, rd);
            VpnInstanceOpDataEntry vpnInstanceOpData = VpnUtil.getVpnInstanceOpData(dataBroker, rd);
            long l3vni = vpnInstanceOpData.getL3vni();
            VrfEntry.EncapType encapType = VpnUtil.isL3VpnOverVxLan(l3vni) ? VrfEntry.EncapType.Vxlan : VrfEntry.EncapType.Mplsgre;
            for (Adjacency nextHop : nextHops) {
                if (nextHop.getAdjacencyType() == AdjacencyType.ExtraRoute) {
                    continue;
                }
                String gatewayMac = null;
                long label = 0;
                if (VpnUtil.isL3VpnOverVxLan(l3vni)) {
                    final VpnPortipToPort gwPort = VpnUtil.getNeutronPortFromVpnPortFixedIp(dataBroker, 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, (int) label, l3vni, 0, /*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);
                }
            }
        }
    }
}

Example 72 with Bgp

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.Bgp in project netvirt by opendaylight.

the class VpnInterfaceManager method processVpnInterfaceUp.

// "Unconditional wait" and "Wait not in loop" wrt the VpnNotifyTask below - suppressing the FB violation -
// see comments below.
@SuppressFBWarnings({ "UW_UNCOND_WAIT", "WA_NOT_IN_LOOP" })
protected void processVpnInterfaceUp(final BigInteger dpId, VpnInterface vpnInterface, final String primaryRd, final int lportTag, boolean isInterfaceUp, WriteTransaction writeConfigTxn, WriteTransaction writeOperTxn, WriteTransaction writeInvTxn, Interface interfaceState, final String vpnName) {
    final String interfaceName = vpnInterface.getName();
    Optional<VpnInterfaceOpDataEntry> optOpVpnInterface = VpnUtil.getVpnInterfaceOpDataEntry(dataBroker, interfaceName, vpnName);
    VpnInterfaceOpDataEntry opVpnInterface = optOpVpnInterface.isPresent() ? optOpVpnInterface.get() : null;
    boolean isBgpVpnInternetVpn = VpnUtil.isBgpVpnInternet(dataBroker, vpnName);
    if (!isInterfaceUp) {
        LOG.info("processVpnInterfaceUp: Binding vpn service to interface {} onto dpn {} for vpn {}", interfaceName, dpId, vpnName);
        long vpnId = VpnUtil.getVpnId(dataBroker, vpnName);
        if (vpnId == VpnConstants.INVALID_ID) {
            LOG.warn("processVpnInterfaceUp: VpnInstance to VPNId mapping not available for VpnName {}" + " processing vpninterface {} on dpn {}, bailing out now.", vpnName, interfaceName, dpId);
            return;
        }
        boolean waitForVpnInterfaceOpRemoval = false;
        if (opVpnInterface != null && !opVpnInterface.isScheduledForRemove()) {
            String opVpnName = opVpnInterface.getVpnInstanceName();
            String primaryInterfaceIp = null;
            if (opVpnName.equals(vpnName)) {
                // Please check if the primary VRF Entry does not exist for VPNInterface
                // If so, we have to process ADD, as this might be a DPN Restart with Remove and Add triggered
                // back to back
                // However, if the primary VRF Entry for this VPNInterface exists, please continue bailing out !
                List<Adjacency> adjs = VpnUtil.getAdjacenciesForVpnInterfaceFromConfig(dataBroker, interfaceName);
                if (adjs == null) {
                    LOG.error("processVpnInterfaceUp: VPN Interface {} on dpn {} for vpn {} failed as adjacencies" + " for this vpn interface could not be obtained", interfaceName, dpId, vpnName);
                    return;
                }
                for (Adjacency adj : adjs) {
                    if (adj.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
                        primaryInterfaceIp = adj.getIpAddress();
                        break;
                    }
                }
                if (primaryInterfaceIp == null) {
                    LOG.error("processVpnInterfaceUp: VPN Interface {} addition on dpn {} for vpn {} failed" + " as primary adjacency for this vpn interface could not be obtained", interfaceName, dpId, vpnName);
                    return;
                }
                // Get the rd of the vpn instance
                VrfEntry vrf = VpnUtil.getVrfEntry(dataBroker, primaryRd, primaryInterfaceIp);
                if (vrf != null) {
                    LOG.error("processVpnInterfaceUp: VPN Interface {} on dpn {} for vpn {} already provisioned ," + " bailing out from here.", interfaceName, dpId, vpnName);
                    return;
                }
                waitForVpnInterfaceOpRemoval = true;
            } else {
                LOG.error("processVpnInterfaceUp: vpn interface {} to go to configured vpn {} on dpn {}," + " but in operational vpn {}", interfaceName, vpnName, dpId, opVpnName);
            }
        }
        if (!waitForVpnInterfaceOpRemoval) {
            // Add the VPNInterface and quit
            vpnFootprintService.updateVpnToDpnMapping(dpId, vpnName, primaryRd, interfaceName, null, /*ipAddressSourceValuePair*/
            true);
            processVpnInterfaceAdjacencies(dpId, lportTag, vpnName, primaryRd, interfaceName, vpnId, writeConfigTxn, writeOperTxn, writeInvTxn, interfaceState);
            if (!isBgpVpnInternetVpn) {
                VpnUtil.bindService(vpnName, interfaceName, dataBroker, false, /*isTunnelInterface*/
                jobCoordinator);
            }
            LOG.info("processVpnInterfaceUp: Plumbed vpn interface {} onto dpn {} for vpn {}", interfaceName, dpId, vpnName);
            if (interfaceManager.isExternalInterface(interfaceName)) {
                processExternalVpnInterface(interfaceName, vpnName, vpnId, dpId, lportTag, writeInvTxn, NwConstants.ADD_FLOW);
            }
            return;
        }
        // FIB didn't get a chance yet to clean up this VPNInterface
        // Let us give it a chance here !
        LOG.info("processVpnInterfaceUp: Trying to add VPN Interface {} on dpn {} for vpn {}," + " but waiting for FIB to clean up! ", interfaceName, dpId, vpnName);
        try {
            Runnable notifyTask = new VpnNotifyTask();
            synchronized (notifyTask) {
                // Per FB's "Unconditional wait" violation, the code should really verify that the condition it
                // intends to wait for is not already satisfied before calling wait. However the VpnNotifyTask is
                // published here while holding the lock on it so this path will hit the wait before notify can be
                // invoked.
                vpnIntfMap.put(interfaceName, notifyTask);
                try {
                    notifyTask.wait(VpnConstants.MAX_WAIT_TIME_IN_MILLISECONDS);
                } catch (InterruptedException e) {
                // Ignored
                }
            }
        } finally {
            vpnIntfMap.remove(interfaceName);
        }
        if (opVpnInterface != null) {
            LOG.warn("processVpnInterfaceUp: VPN Interface {} removal on dpn {} for vpn {}" + " by FIB did not complete on time," + " bailing addition ...", interfaceName, dpId, vpnName);
            VpnUtil.unsetScheduledToRemoveForVpnInterface(txRunner, interfaceName);
            return;
        }
        // VPNInterface got removed, proceed with Add
        LOG.info("processVpnInterfaceUp: Continuing to plumb vpn interface {} onto dpn {} for vpn {}", interfaceName, dpId, vpnName);
        vpnFootprintService.updateVpnToDpnMapping(dpId, vpnName, primaryRd, interfaceName, null, /*ipAddressSourceValuePair*/
        true);
        processVpnInterfaceAdjacencies(dpId, lportTag, vpnName, primaryRd, interfaceName, vpnId, writeConfigTxn, writeOperTxn, writeInvTxn, interfaceState);
        if (!isBgpVpnInternetVpn) {
            VpnUtil.bindService(vpnName, interfaceName, dataBroker, false, /*isTunnelInterface*/
            jobCoordinator);
        }
        LOG.info("processVpnInterfaceUp: Plumbed vpn interface {} onto dpn {} for vpn {} after waiting for" + " FIB to clean up", interfaceName, dpId, vpnName);
        if (interfaceManager.isExternalInterface(interfaceName)) {
            processExternalVpnInterface(interfaceName, vpnName, vpnId, dpId, lportTag, writeInvTxn, NwConstants.ADD_FLOW);
        }
    } else {
        // Interface is retained in the DPN, but its Link Up.
        // Advertise prefixes again for this interface to BGP
        InstanceIdentifier<VpnInterface> identifier = VpnUtil.getVpnInterfaceIdentifier(vpnInterface.getName());
        InstanceIdentifier<VpnInterfaceOpDataEntry> vpnInterfaceOpIdentifier = VpnUtil.getVpnInterfaceOpDataEntryIdentifier(interfaceName, vpnName);
        advertiseAdjacenciesForVpnToBgp(primaryRd, dpId, vpnInterfaceOpIdentifier, vpnName, interfaceName);
        // Perform similar operation as interface add event for extraroutes.
        InstanceIdentifier<Adjacencies> path = identifier.augmentation(Adjacencies.class);
        Optional<Adjacencies> optAdjacencies = VpnUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, path);
        if (!optAdjacencies.isPresent()) {
            LOG.trace("No config adjacencies present for vpninterface {}", vpnInterface);
            return;
        }
        List<Adjacency> adjacencies = optAdjacencies.get().getAdjacency();
        for (Adjacency adjacency : adjacencies) {
            if (adjacency.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
                continue;
            }
            // if BGPVPN Internet, filter only IPv6 Adjacencies
            if (isBgpVpnInternetVpn && !VpnUtil.isAdjacencyEligibleToVpnInternet(dataBroker, adjacency)) {
                continue;
            }
            addNewAdjToVpnInterface(vpnInterfaceOpIdentifier, primaryRd, adjacency, dpId, writeOperTxn, writeConfigTxn);
        }
    }
}

Example 73 with Bgp

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.Bgp in project netvirt by opendaylight.

the class VpnInterfaceManager method withdrawAdjacenciesForVpnFromBgp.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
private void withdrawAdjacenciesForVpnFromBgp(final InstanceIdentifier<VpnInterfaceOpDataEntry> identifier, String vpnName, String interfaceName, WriteTransaction writeConfigTxn) {
    // Read NextHops
    InstanceIdentifier<AdjacenciesOp> path = identifier.augmentation(AdjacenciesOp.class);
    Optional<AdjacenciesOp> adjacencies = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, path);
    String rd = VpnUtil.getVpnRd(dataBroker, interfaceName);
    if (rd == null) {
        LOG.error("withdrawAdjacenciesForVpnFromBgp: Unable to recover rd for interface {} in vpn {}", interfaceName, vpnName);
        return;
    } else {
        if (rd.equals(vpnName)) {
            LOG.info("withdrawAdjacenciesForVpnFromBgp: Ignoring BGP withdrawal for interface {} as it is in " + "internal vpn{} with rd {}", interfaceName, vpnName, rd);
            return;
        }
    }
    LOG.info("withdrawAdjacenciesForVpnFromBgp: For interface {} in vpn {} with rd {}", interfaceName, vpnName, rd);
    if (adjacencies.isPresent()) {
        List<Adjacency> nextHops = adjacencies.get().getAdjacency();
        if (!nextHops.isEmpty()) {
            LOG.trace("withdrawAdjacenciesForVpnFromBgp: NextHops are {} for interface {} in vpn {} rd {}", nextHops, interfaceName, vpnName, rd);
            for (Adjacency nextHop : nextHops) {
                try {
                    if (nextHop.getAdjacencyType() != AdjacencyType.ExtraRoute) {
                        LOG.info("VPN WITHDRAW: withdrawAdjacenciesForVpnFromBgp: Removing Fib Entry rd {}" + " prefix {} for interface {} in vpn {}", rd, nextHop.getIpAddress(), interfaceName, vpnName);
                        bgpManager.withdrawPrefix(rd, nextHop.getIpAddress());
                        LOG.info("VPN WITHDRAW: withdrawAdjacenciesForVpnFromBgp: Removed Fib Entry rd {}" + " prefix {} for interface {} in vpn {}", rd, nextHop.getIpAddress(), interfaceName, vpnName);
                    } else {
                        // Perform similar operation as interface delete event for extraroutes.
                        String allocatedRd = nextHop.getVrfId();
                        for (String nh : nextHop.getNextHopIpList()) {
                            deleteExtraRouteFromCurrentAndImportingVpns(vpnName, nextHop.getIpAddress(), nh, allocatedRd, interfaceName, writeConfigTxn);
                        }
                    }
                } catch (Exception e) {
                    LOG.error("withdrawAdjacenciesForVpnFromBgp: Failed to withdraw prefix {} in vpn {} with rd {}" + " for interface {} ", nextHop.getIpAddress(), vpnName, rd, interfaceName, e);
                }
            }
        }
    }
}

Example 74 with Bgp

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.Bgp in project netvirt by opendaylight.

the class VpnOpStatusListener method update.

@Override
@SuppressWarnings("checkstyle:IllegalCatch")
protected void update(InstanceIdentifier<VpnInstanceOpDataEntry> identifier, VpnInstanceOpDataEntry original, VpnInstanceOpDataEntry update) {
    LOG.info("update: Processing update for vpn {} with rd {}", update.getVpnInstanceName(), update.getVrfId());
    if (update.getVpnState() == VpnInstanceOpDataEntry.VpnState.PendingDelete && vpnFootprintService.isVpnFootPrintCleared(update)) {
        // Cleanup VPN data
        final String vpnName = update.getVpnInstanceName();
        final List<String> rds = update.getRd();
        String primaryRd = update.getVrfId();
        final long vpnId = VpnUtil.getVpnId(dataBroker, vpnName);
        jobCoordinator.enqueueJob("VPN-" + update.getVpnInstanceName(), () -> {
            WriteTransaction writeTxn = dataBroker.newWriteOnlyTransaction();
            // Clean up VpnInstanceToVpnId from Config DS
            VpnUtil.removeVpnIdToVpnInstance(dataBroker, vpnId, writeTxn);
            VpnUtil.removeVpnInstanceToVpnId(dataBroker, vpnName, writeTxn);
            LOG.trace("Removed vpnIdentifier for  rd{} vpnname {}", primaryRd, vpnName);
            // Clean up FIB Entries Config DS
            fibManager.removeVrfTable(primaryRd, null);
            // Clean up VPNExtraRoutes Operational DS
            if (VpnUtil.isBgpVpn(vpnName, primaryRd)) {
                if (update.getType() == VpnInstanceOpDataEntry.Type.L2) {
                    rds.parallelStream().forEach(rd -> bgpManager.deleteVrf(rd, false, AddressFamily.L2VPN));
                }
                if (update.isIpv4Configured()) {
                    rds.parallelStream().forEach(rd -> bgpManager.deleteVrf(rd, false, AddressFamily.IPV4));
                }
                if (update.isIpv6Configured()) {
                    rds.parallelStream().forEach(rd -> bgpManager.deleteVrf(rd, false, AddressFamily.IPV6));
                }
            }
            InstanceIdentifier<Vpn> vpnToExtraroute = VpnExtraRouteHelper.getVpnToExtrarouteVpnIdentifier(vpnName);
            Optional<Vpn> optVpnToExtraroute = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, vpnToExtraroute);
            if (optVpnToExtraroute.isPresent()) {
                VpnUtil.removeVpnExtraRouteForVpn(dataBroker, vpnName, writeTxn);
            }
            if (VpnUtil.isL3VpnOverVxLan(update.getL3vni())) {
                VpnUtil.removeExternalTunnelDemuxFlows(vpnName, dataBroker, mdsalManager);
            }
            // Clean up VPNInstanceOpDataEntry
            VpnUtil.removeVpnOpInstance(dataBroker, primaryRd, writeTxn);
            // Clean up PrefixToInterface Operational DS
            VpnUtil.removePrefixToInterfaceForVpnId(dataBroker, vpnId, writeTxn);
            // Clean up L3NextHop Operational DS
            VpnUtil.removeL3nexthopForVpnId(dataBroker, vpnId, writeTxn);
            // Release the ID used for this VPN back to IdManager
            VpnUtil.releaseId(idManager, VpnConstants.VPN_IDPOOL_NAME, vpnName);
            List<ListenableFuture<Void>> futures = new ArrayList<>();
            futures.add(writeTxn.submit());
            return futures;
        }, SystemPropertyReader.getDataStoreJobCoordinatorMaxRetries());
    } else if (update.getVpnState() == VpnInstanceOpDataEntry.VpnState.Created) {
        final String vpnName = update.getVpnInstanceName();
        final List<String> rds = update.getRd();
        String primaryRd = update.getVrfId();
        if (!VpnUtil.isBgpVpn(vpnName, primaryRd)) {
            return;
        }
        if (original == null) {
            LOG.error("VpnOpStatusListener.update: vpn {} with RD {}. add() handler already called", vpnName, primaryRd);
            return;
        }
        if (update.getVpnTargets() == null) {
            LOG.error("VpnOpStatusListener.update: vpn {} with RD {} vpnTargets not ready", vpnName, primaryRd);
            return;
        }
        List<VpnTarget> vpnTargetList = update.getVpnTargets().getVpnTarget();
        List<String> ertList = new ArrayList<>();
        List<String> irtList = new ArrayList<>();
        if (vpnTargetList != null) {
            for (VpnTarget vpnTarget : vpnTargetList) {
                if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ExportExtcommunity) {
                    ertList.add(vpnTarget.getVrfRTValue());
                }
                if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.ImportExtcommunity) {
                    irtList.add(vpnTarget.getVrfRTValue());
                }
                if (vpnTarget.getVrfRTType() == VpnTarget.VrfRTType.Both) {
                    ertList.add(vpnTarget.getVrfRTValue());
                    irtList.add(vpnTarget.getVrfRTValue());
                }
            }
        } else {
            LOG.error("VpnOpStatusListener.update: vpn target list is empty, cannot add BGP" + " VPN {} RD {}", vpnName, primaryRd);
            return;
        }
        jobCoordinator.enqueueJob("VPN-" + update.getVpnInstanceName(), () -> {
            WriteTransaction writeTxn = dataBroker.newWriteOnlyTransaction();
            long primaryRdAddFailed = rds.parallelStream().filter(rd -> {
                try {
                    LOG.info("VpnOpStatusListener.update: updating BGPVPN for vpn {} with RD {}" + " Type is {}, IPv4 is {}, IPv6 is {}", vpnName, primaryRd, update.getType(), update.isIpv4Configured(), update.isIpv6Configured());
                    if (update.getType() == VpnInstanceOpDataEntry.Type.L2) {
                        bgpManager.addVrf(rd, irtList, ertList, AddressFamily.L2VPN);
                    } else {
                        bgpManager.deleteVrf(rd, false, AddressFamily.L2VPN);
                    }
                    if (!original.isIpv4Configured() && update.isIpv4Configured()) {
                        bgpManager.addVrf(rd, irtList, ertList, AddressFamily.IPV4);
                    } else if (original.isIpv4Configured() && !update.isIpv4Configured()) {
                        bgpManager.deleteVrf(rd, false, AddressFamily.IPV4);
                    }
                    if (!original.isIpv6Configured() && update.isIpv6Configured()) {
                        bgpManager.addVrf(rd, irtList, ertList, AddressFamily.IPV6);
                    } else if (original.isIpv6Configured() && !update.isIpv6Configured()) {
                        bgpManager.deleteVrf(rd, false, AddressFamily.IPV6);
                    }
                } catch (Exception e) {
                    LOG.error("VpnOpStatusListener.update: Exception when updating VRF to BGP" + " for vpn {} rd {}", vpnName, rd);
                    return false;
                }
                return false;
            }).count();
            return Collections.emptyList();
        });
    }
}

Example 75 with Bgp

use of org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.top.Bgp in project netvirt by opendaylight.

the class VpnRpcServiceImpl method addStaticRoute.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
@Override
public Future<RpcResult<AddStaticRouteOutput>> addStaticRoute(AddStaticRouteInput input) {
    SettableFuture<RpcResult<AddStaticRouteOutput>> result = SettableFuture.create();
    String destination = input.getDestination();
    String vpnInstanceName = input.getVpnInstanceName();
    String nexthop = input.getNexthop();
    Long label = input.getLabel();
    LOG.info("Adding static route for Vpn {} with destination {}, nexthop {} and label {}", vpnInstanceName, destination, nexthop, label);
    Collection<RpcError> rpcErrors = validateAddStaticRouteInput(input);
    if (!rpcErrors.isEmpty()) {
        result.set(RpcResultBuilder.<AddStaticRouteOutput>failed().withRpcErrors(rpcErrors).build());
        return result;
    }
    if (label == null || label == 0) {
        label = (long) VpnUtil.getUniqueId(idManager, VpnConstants.VPN_IDPOOL_NAME, VpnUtil.getNextHopLabelKey(vpnInstanceName, destination));
        if (label == 0) {
            String message = "Unable to retrieve a new Label for the new Route";
            result.set(RpcResultBuilder.<AddStaticRouteOutput>failed().withError(RpcError.ErrorType.APPLICATION, message).build());
            return result;
        }
    }
    String vpnRd = VpnUtil.getVpnRd(dataBroker, input.getVpnInstanceName());
    VpnInstanceOpDataEntry vpnOpEntry = VpnUtil.getVpnInstanceOpData(dataBroker, vpnRd);
    Boolean isVxlan = VpnUtil.isL3VpnOverVxLan(vpnOpEntry.getL3vni());
    VrfEntry.EncapType encapType = VpnUtil.getEncapType(isVxlan);
    if (vpnRd == null) {
        String message = "Could not find Route-Distinguisher for VpnName " + vpnInstanceName;
        result.set(RpcResultBuilder.<AddStaticRouteOutput>failed().withError(RpcError.ErrorType.APPLICATION, message).build());
        return result;
    }
    Optional<InterVpnLinkDataComposite> optIVpnLink = interVpnLinkCache.getInterVpnLinkByEndpoint(nexthop);
    if (optIVpnLink.isPresent()) {
        try {
            InterVpnLinkUtil.handleStaticRoute(optIVpnLink.get(), vpnInstanceName, destination, nexthop, label.intValue(), dataBroker, fibManager, bgpManager);
        } catch (Exception e) {
            result.set(RpcResultBuilder.<AddStaticRouteOutput>failed().withError(ErrorType.APPLICATION, formatAndLog(LOG::warn, "Could not advertise route [vpn={}, prefix={}, label={}, nexthop={}] to BGP: {}", vpnRd, destination, label, nexthop, e.getMessage(), e)).build());
            return result;
        }
    } else {
        vpnManager.addExtraRoute(vpnInstanceName, destination, nexthop, vpnRd, null, /* routerId */
        vpnOpEntry.getL3vni(), RouteOrigin.STATIC, null, /* intfName */
        null, /*Adjacency*/
        encapType, null);
    }
    AddStaticRouteOutput labelOutput = new AddStaticRouteOutputBuilder().setLabel(label).build();
    result.set(RpcResultBuilder.success(labelOutput).build());
    return result;
}