Examples with Ipv6 org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv6._case.Ipv6 used on opensource projects

Example 71 with Ipv6

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv6._case.Ipv6 in project bgpcep by opendaylight.

the class SrAttributeParserTest method testRangeTlvIpv6.

@Test
public void testRangeTlvIpv6() {
    final byte[] tested = Bytes.concat(new byte[] { 0, 0, 0, 5, // binding sid
    4, // binding sid
    (byte) 0x88, // binding sid
    0, // binding sid
    0x34, // binding sid
    5, // binding sid
    0x48, // binding sid
    0, // binding sid
    0, // binding sub-tlvs
    4, (byte) 0x8c, 0, 0x14, 0, 0, 0, // IPv6 ERO
    0 }, // IPv6 ERO
    IPV6_A_BYTES, // IPv6 ERO backup
    new byte[] { 4, (byte) 0x8f, 0, 0x14, 0, 0, 0, 0 }, // IPv6 ERO backup
    IPV6_B_BYTES);
    final SrRange parsedRange = RangeTlvParser.parseSrRange(Unpooled.wrappedBuffer(tested), ProtocolId.IsisLevel1);
    final List<SubTlvs> rangeSubTlvs = new ArrayList<>();
    final List<BindingSubTlvs> bindingSubTlvs = new ArrayList<>();
    bindingSubTlvs.add(new BindingSubTlvsBuilder().setBindingSubTlv(new Ipv6EroCaseBuilder().setLoose(Boolean.FALSE).setAddress(new Ipv6Address(IPV6_A)).build()).build());
    bindingSubTlvs.add(new BindingSubTlvsBuilder().setBindingSubTlv(new Ipv6EroBackupCaseBuilder().setLoose(Boolean.FALSE).setAddress(new Ipv6Address(IPV6_B)).build()).build());
    rangeSubTlvs.add(new SubTlvsBuilder().setRangeSubTlv(new BindingSidTlvCaseBuilder().setWeight(new Weight((short) 5)).setFlags(BINDING_FLAGS).setBindingSubTlvs(bindingSubTlvs).build()).build());
    final SrRange expected = new SrRangeBuilder().setInterArea(Boolean.FALSE).setRangeSize(5).setSubTlvs(rangeSubTlvs).build();
    assertEquals(expected, parsedRange);
    final ByteBuf serializedRange = Unpooled.buffer();
    RangeTlvParser.serializeSrRange(parsedRange, serializedRange);
    assertArrayEquals(tested, ByteArray.getAllBytes(serializedRange));
}

Example 72 with Ipv6

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv6._case.Ipv6 in project bgpcep by opendaylight.

the class ReachTlvParser method serializeModel.

public static IpPrefix serializeModel(final ContainerNode prefixDesc) {
    if (prefixDesc.getChild(IP_REACH_NID).isPresent()) {
        final String prefix = (String) prefixDesc.getChild(IP_REACH_NID).get().getValue();
        try {
            final ByteBuf buffer = Unpooled.buffer(5);
            ByteBufWriteUtil.writeMinimalPrefix(new Ipv4Prefix(prefix), buffer);
            return new IpPrefix(new Ipv4Prefix(prefix));
        } catch (final IllegalArgumentException e) {
            LOG.debug("Creating Ipv6 prefix because", e);
            return new IpPrefix(new Ipv6Prefix(prefix));
        }
    }
    return null;
}

Example 73 with Ipv6

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv6._case.Ipv6 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 74 with Ipv6

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv6._case.Ipv6 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 Ipv6

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev171025.lsp.identifiers.tlv.lsp.identifiers.address.family.ipv6._case.Ipv6 in project netvirt by opendaylight.

the class Cache method doExecute.

@SuppressWarnings("resource")
@Override
protected Object doExecute() {
    boolean listVrfs = false;
    boolean listNets = false;
    PrintStream ps = session.getConsole();
    if (action != null) {
        return usage();
    }
    PrintStream fileStream = null;
    if (ofile != null) {
        try {
            fileStream = new PrintStream(ofile);
            ps = fileStream;
        } catch (FileNotFoundException e) {
            session.getConsole().println("error: cannot create file " + ofile + "; exception: " + e);
            return null;
        }
    }
    if (list != null) {
        for (String item : list) {
            switch(item) {
                case "vrfs":
                    listVrfs = true;
                    break;
                case "networks":
                    listNets = true;
                    break;
                default:
                    session.getConsole().println("error: unknown value for " + LST + ": " + item);
                    if (fileStream != null) {
                        fileStream.close();
                    }
                    return null;
            }
        }
    }
    // we'd normally read this directly from 'config' but
    // legacy behaviour forces to check for a connection
    // that's initiated by default at startup without
    // writing to config.
    String configHost = bgpManager.getConfigHost();
    int configPort = bgpManager.getConfigPort();
    ps.printf("%nConfiguration Server%n\t%s  %s%n\t%s  %d%n", HTSTR, configHost, PTSTR, configPort);
    Bgp config = bgpManager.getConfig();
    if (config == null) {
        if (fileStream != null) {
            fileStream.close();
        }
        return null;
    }
    AsId asId = config.getAsId();
    if (asId != null) {
        int asNum = asId.getLocalAs().intValue();
        IpAddress routerId = asId.getRouterId();
        Long spt = asId.getStalepathTime();
        Boolean afb = asId.isAnnounceFbit();
        String rid = routerId == null ? "<n/a>" : new String(routerId.getValue());
        // F-bit is always set to ON (hardcoded), in SDN even though the controller is down
        // forwarding state shall be retained.
        String bit = "ON";
        GracefulRestart gracefulRestart = config.getGracefulRestart();
        if (gracefulRestart != null) {
            spt = gracefulRestart.getStalepathTime();
        }
        ps.printf("%nBGP Router%n");
        ps.printf("\t%-15s  %d%n\t%-15s  %s%n\t%-15s  %s%n\t%-15s  %s%n", ASSTR, asNum, RISTR, rid, SPSTR, spt == null || spt == 0 ? "default" : spt.toString(), FBSTR, bit);
    }
    Logging logging = config.getLogging();
    if (logging != null) {
        ps.printf("\t%-15s  %s%n\t%-15s  %s%n", LFSTR, logging.getFile(), LLSTR, logging.getLevel());
    }
    List<Neighbors> neighbors = config.getNeighbors();
    if (neighbors != null) {
        ps.printf("%nNeighbors%n");
        for (Neighbors nbr : neighbors) {
            ps.printf("\t%s%n\t\t%-16s  %d%n", nbr.getAddress().getValue(), ASSTR, nbr.getRemoteAs().intValue());
            EbgpMultihop en = nbr.getEbgpMultihop();
            if (en != null) {
                ps.printf("\t\t%-16s  %d%n", EBSTR, en.getNhops().intValue());
            }
            UpdateSource us = nbr.getUpdateSource();
            if (us != null) {
                ps.printf("\t\t%-16s  %s%n", USSTR, us.getSourceIp().getValue());
            }
            ps.printf("\t\t%-16s  IPv4-Labeled-VPN", AFSTR);
            List<AddressFamilies> afs = nbr.getAddressFamilies();
            if (afs != null) {
                for (AddressFamilies af : afs) {
                    // Should not print "unknown" in vpnv4 case
                    if (!(af.getSafi().intValue() == 5 && af.getAfi().intValue() == 1)) {
                        if (af.getSafi().intValue() == 4 && af.getAfi().intValue() == 1) {
                            ps.printf(" %s", "IPv4-Labeled-Unicast");
                        } else if (af.getSafi().intValue() == 5 && af.getAfi().intValue() == 2) {
                            ps.printf(" %s", "IPv6-Labeled-VPN");
                        } else if (af.getSafi().intValue() == 6) {
                            ps.printf(" %s", "Ethernet-VPN");
                        } else {
                            ps.printf(" %s", "Unknown");
                        }
                    }
                }
            }
            ps.printf("%n");
        }
    }
    if (listVrfs) {
        List<Vrfs> vrfs = config.getVrfs();
        if (vrfs != null) {
            ps.printf("%nVRFs%n");
            for (Vrfs vrf : vrfs) {
                ps.printf("\t%s%n", vrf.getRd());
                ps.printf("\t\t%s  ", IRSTR);
                for (String rt : vrf.getImportRts()) {
                    ps.printf("%s ", rt);
                }
                ps.printf("%n\t\t%s  ", ERSTR);
                for (String rt : vrf.getExportRts()) {
                    ps.printf("%s ", rt);
                }
                for (AddressFamiliesVrf adf : vrf.getAddressFamiliesVrf()) {
                    ps.printf("%n\t\tafi %d safi %d", adf.getAfi(), adf.getSafi());
                }
                ps.printf("%n");
            }
        }
    }
    if (listNets) {
        List<Networks> ln = config.getNetworks();
        if (ln != null) {
            ps.printf("%nNetworks%n");
            for (Networks net : ln) {
                String rd = net.getRd();
                String pfxlen = net.getPrefixLen();
                String nh = net.getNexthop().getValue();
                int label = net.getLabel().intValue();
                ps.printf("\t%s%n\t\t%-7s  %s%n\t\t%-7s  %s%n\t\t%-7s  %d%n", pfxlen, RDSTR, rd, NHSTR, nh, LBSTR, label);
            }
        }
    }
    List<Multipath> mp = config.getMultipath();
    List<VrfMaxpath> vrfm = config.getVrfMaxpath();
    if (mp != null) {
        ps.printf("%nMultipath%n");
        for (Multipath multipath : mp) {
            int afi = multipath.getAfi().intValue();
            int safi = multipath.getSafi().intValue();
            Boolean enabled = multipath.isMultipathEnabled();
            if (enabled) {
                if (afi == 1 && safi == 5) {
                    ps.printf("\t%-16s  %s%n%n", AFSTR, "vpnv4");
                } else if (afi == 2 && safi == 5) {
                    ps.printf("\t%-16s  %s%n%n", AFSTR, "vpnv6");
                } else if (afi == 3 && safi == 6) {
                    ps.printf("\t%-16s  %s%n%n", AFSTR, "evpn");
                } else {
                    ps.printf("\t%-16s  %s%n%n", AFSTR, "Unknown");
                }
                if (vrfm != null) {
                    ps.printf("\t%-16s  %s%n", RDSTR, MPSTR);
                    for (VrfMaxpath vrfMaxpath : vrfm) {
                        String rd = vrfMaxpath.getRd();
                        int maxpath = vrfMaxpath.getMaxpaths();
                        ps.printf("\t%-16s  %d%n", rd, maxpath);
                    }
                }
            }
        }
    }
    if (fileStream != null) {
        fileStream.close();
    }
    return null;
}