Examples with Networks org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.external.networks.Networks used on opensource projects

Example 21 with Networks

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.external.networks.Networks in project netvirt by opendaylight.

the class ElanUtils method setupRemoteDmacFlow.

public void setupRemoteDmacFlow(BigInteger srcDpId, BigInteger destDpId, int lportTag, long elanTag, String macAddress, String displayName, WriteTransaction writeFlowGroupTx, String interfaceName, ElanInstance elanInstance) throws ElanException {
    if (interfaceManager.isExternalInterface(interfaceName)) {
        LOG.debug("Ignoring install remote DMAC {} flow on provider interface {} elan {}", macAddress, interfaceName, elanInstance.getElanInstanceName());
        return;
    }
    Flow flowEntity;
    // if openstack-vni-semantics are enforced, segmentation ID is passed as network VNI for VxLAN based provider
    // networks, 0 otherwise
    long lportTagOrVni = !isOpenstackVniSemanticsEnforced() ? lportTag : isVxlanNetworkOrVxlanSegment(elanInstance) ? getVxlanSegmentationId(elanInstance) : 0;
    flowEntity = buildRemoteDmacFlowEntry(srcDpId, destDpId, lportTagOrVni, elanTag, macAddress, displayName, elanInstance);
    mdsalManager.addFlowToTx(srcDpId, flowEntity, writeFlowGroupTx);
    setupEtreeRemoteDmacFlow(srcDpId, destDpId, lportTagOrVni, elanTag, macAddress, displayName, interfaceName, writeFlowGroupTx, elanInstance);
}

Example 22 with Networks

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.external.networks.Networks in project netvirt by opendaylight.

the class VpnSubnetRouteHandlerTest method setupMocks.

private void setupMocks() {
    nexthopIp = "10.1.1.25";
    idKey = "100:1.10.1.1.24";
    poolName = "vpnservices";
    elanTag = 2L;
    longId = Long.valueOf("100");
    nodeConnectorId = buildNodeConnectorId(dpId, 2L);
    ipAddress = IpAddressBuilder.getDefaultInstance(nexthopIp);
    vpnIntfaces = new VpnInterfacesBuilder().setInterfaceName(interfaceName).setKey(new VpnInterfacesKey(interfaceName)).build();
    List<VpnInterfaces> vpnInterfaces = new ArrayList<>();
    final List<SubnetToDpn> subToDpn = new ArrayList<>();
    final List<Uuid> portList = new ArrayList<>();
    final List<PortOpDataEntry> listPortOpDataEntry = new ArrayList<>();
    final List<TunnelEndPoints> tunnelEndPoints = new ArrayList<>();
    List<Uuid> subnetIdList = new ArrayList<>();
    subnetIdList.add(subnetId);
    vpnInterfaces.add(vpnIntfaces);
    lowerLayerIfList.add(nodeConnectorId.getValue());
    portOp = new PortOpDataEntryBuilder().setDpnId(dpId).setKey(new PortOpDataEntryKey(tenantId.getValue())).setSubnetIds(subnetIdList).setPortId(tenantId.getValue()).build();
    subnetToDpn = new SubnetToDpnBuilder().setDpnId(dpId).setKey(new SubnetToDpnKey(dpId)).setVpnInterfaces(vpnInterfaces).build();
    allocateIdOutput = new AllocateIdOutputBuilder().setIdValue(longId).build();
    allocateIdInput = new AllocateIdInputBuilder().setPoolName(poolName).setIdKey(idKey).build();
    subToDpn.add(subnetToDpn);
    portList.add(portId);
    listPortOpDataEntry.add(portOp);
    org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceBuilder ifaceBuilder = new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.InterfaceBuilder();
    ifaceBuilder.setLowerLayerIf(lowerLayerIfList).setType(L2vlan.class).setAdminStatus(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface.AdminStatus.Up).setOperStatus(Interface.OperStatus.Up).setIfIndex(100).setKey(new InterfaceKey(interfaceName)).setName(interfaceName).setPhysAddress(org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress.getDefaultInstance("AA:AA:AA:AA:AA:AA"));
    stateInterface = ifaceBuilder.build();
    subnetOp = new SubnetOpDataEntryBuilder().setElanTag(elanTag).setNhDpnId(dpId).setSubnetCidr(subnetIp).setSubnetId(subnetId).setKey(new SubnetOpDataEntryKey(subnetId)).setVpnName(interfaceName).setVrfId(primaryRd).setSubnetToDpn(subToDpn).setRouteAdvState(TaskState.Advertised).build();
    vpnInstance = new VpnInstanceBuilder().setVpnId(elanTag).setVpnInstanceName(interfaceName).setVrfId(interfaceName).setKey(new VpnInstanceKey(interfaceName)).build();
    subnetmap = new SubnetmapBuilder().setSubnetIp(subnetIp).setId(subnetId).setNetworkId(portId).setKey(new SubnetmapKey(subnetId)).setRouterId(portId).setVpnId(subnetId).setTenantId(tenantId).setPortList(portList).build();
    portOpData = new PortOpDataBuilder().setPortOpDataEntry(listPortOpDataEntry).build();
    dpntePsInfo = new DPNTEPsInfoBuilder().setDPNID(dpId).setUp(true).setKey(new DPNTEPsInfoKey(dpId)).setTunnelEndPoints(tunnelEndPoints).build();
    tunlEndPts = new TunnelEndPointsBuilder().setInterfaceName(interfaceName).setVLANID(10).setIpAddress(ipAddress).build();
    tunnelEndPoints.add(tunlEndPts);
    ipv4Family = new Ipv4FamilyBuilder().setRouteDistinguisher(routeDistinguishers).build();
    vpnInstnce = new org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstanceBuilder().setKey(new org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstanceKey(interfaceName)).setVpnInstanceName(interfaceName).setIpv4Family(ipv4Family).build();
    networks = new NetworksBuilder().setId(portId).setKey(new NetworksKey(portId)).build();
    doReturn(mockReadTx).when(dataBroker).newReadOnlyTransaction();
    doReturn(mockWriteTx).when(dataBroker).newWriteOnlyTransaction();
    doReturn(Futures.immediateCheckedFuture(null)).when(mockWriteTx).submit();
}

Example 23 with Networks

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.external.networks.Networks in project netvirt by opendaylight.

the class NetworkL2gwDeviceInfoCli method doExecute.

@Override
protected Object doExecute() {
    List<Node> nodes = new ArrayList<>();
    Set<String> networks = new HashSet<>();
    if (nodeId == null) {
        Optional<Topology> topologyOptional = MDSALUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, createHwvtepTopologyInstanceIdentifier());
        if (topologyOptional.isPresent()) {
            nodes = topologyOptional.get().getNode();
        }
    } else {
        Optional<Node> nodeOptional = MDSALUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, createInstanceIdentifier(new NodeId(new Uri(nodeId))));
        if (nodeOptional.isPresent()) {
            nodes.add(nodeOptional.get());
        }
    }
    if (elanName == null) {
        // get all elan instance
        // get all device node id
        // print result
        Optional<ElanInstances> elanInstancesOptional = MDSALUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, InstanceIdentifier.builder(ElanInstances.class).build());
        if (elanInstancesOptional.isPresent()) {
            List<ElanInstance> elans = elanInstancesOptional.get().getElanInstance();
            if (elans != null) {
                for (ElanInstance elan : elans) {
                    networks.add(elan.getElanInstanceName());
                }
            }
        }
    } else {
        networks.add(elanName);
    }
    for (Node node : nodes) {
        if (node.getNodeId().getValue().contains("physicalswitch")) {
            continue;
        }
        Node hwvtepConfigNode = HwvtepUtils.getHwVtepNode(dataBroker, LogicalDatastoreType.CONFIGURATION, node.getNodeId());
        Node hwvtepOpPsNode = getPSnode(node, LogicalDatastoreType.OPERATIONAL);
        Node hwvtepConfigPsNode = null;
        if (hwvtepOpPsNode != null) {
            hwvtepConfigPsNode = HwvtepUtils.getHwVtepNode(dataBroker, LogicalDatastoreType.CONFIGURATION, hwvtepOpPsNode.getNodeId());
            opPSNodes.put(node.getNodeId(), hwvtepOpPsNode);
        }
        opNodes.put(node.getNodeId(), node);
        configNodes.put(node.getNodeId(), hwvtepConfigNode);
        if (hwvtepConfigPsNode != null) {
            configPSNodes.put(node.getNodeId(), hwvtepConfigPsNode);
        }
    }
    for (String network : networks) {
        session.getConsole().println("Network info for " + network);
        for (Node node : nodes) {
            if (node.getNodeId().getValue().contains("physicalswitch")) {
                continue;
            }
            session.getConsole().println("Printing for node " + node.getNodeId().getValue());
            process(node.getNodeId(), network);
        }
    }
    return null;
}

Example 24 with Networks

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.external.networks.Networks in project netvirt by opendaylight.

the class BgpConfigurationManager method replay.

@SuppressWarnings("checkstyle:IllegalCatch")
public synchronized boolean replay() throws InterruptedException, TimeoutException, ExecutionException {
    boolean replaySucceded = true;
    String host = getConfigHost();
    int port = getConfigPort();
    LOG.error("connecting  to bgp host {} ", host);
    boolean res = bgpRouter.connect(host, port);
    if (!res) {
        LOG.error("Cannot connect to BGP config server at {}:{}{}", host, port, config != null ? "; Configuration Replay aborted" : "");
        return replaySucceded;
    }
    config = getConfig();
    if (config == null) {
        LOG.error("bgp config is empty nothing to push to bgp");
        return replaySucceded;
    }
    BgpRouter br = bgpRouter;
    AsId asId = config.getAsId();
    if (asId == null) {
        LOG.error("bgp as-id is null");
        return replaySucceded;
    }
    long asNum = asId.getLocalAs();
    IpAddress routerId = asId.getRouterId();
    String rid = routerId == null ? "" : new String(routerId.getValue());
    int stalepathTime = (int) getStalePathtime(RESTART_DEFAULT_GR, config.getAsId());
    boolean announceFbit = true;
    boolean replayDone = false;
    final int numberOfStartBgpRetries = 3;
    RetryOnException startBgpRetry = new RetryOnException(numberOfStartBgpRetries);
    do {
        try {
            LOG.debug("Replaying BGPConfig ");
            br.startBgp(asNum, rid, stalepathTime, announceFbit);
            LOG.debug("Replay BGPConfig successful");
            replayDone = true;
            break;
        } catch (BgpRouterException bre) {
            if (bre.getErrorCode() == BgpRouterException.BGP_ERR_ACTIVE) {
                LOG.debug("Starting the routesync for exception", bre);
                startBgpRetry.errorOccured();
                if (!startBgpRetry.shouldRetry()) {
                    LOG.debug("starting route sync for BgpRouter exception");
                    doRouteSync();
                }
            } else {
                LOG.error("Replay: startBgp() received exception error {} : ", bre.getErrorCode(), bre);
                startBgpRetry.errorOccured();
            }
        } catch (TApplicationException tae) {
            if (tae.getType() == BgpRouterException.BGP_ERR_ACTIVE) {
                LOG.debug("Starting the routesync for exception", tae);
                startBgpRetry.errorOccured();
                if (!startBgpRetry.shouldRetry()) {
                    LOG.debug("starting route sync for Thrift BGP_ERR_ACTIVE exception");
                    doRouteSync();
                }
            } else if (tae.getType() == BgpRouterException.BGP_ERR_COMMON_FAILURE) {
                LOG.debug("Starting the routesync for AS-ID started exception", tae);
                startBgpRetry.errorOccured();
                if (!startBgpRetry.shouldRetry()) {
                    LOG.debug("starting route sync for Thrift BGP_ERR_COMMON_FAILURE exception");
                    doRouteSync();
                }
            } else {
                LOG.error("Replay: startBgp() received exception type {}: ", tae.getType(), tae);
                startBgpRetry.errorOccured();
            }
        } catch (Exception e) {
            // not unusual. We may have restarted & BGP is already on
            LOG.error("Replay:startBgp() received exception: ", e);
            startBgpRetry.errorOccured();
        }
    } while (startBgpRetry.shouldRetry());
    replaySucceded = replayDone;
    startBgpCountersTask();
    startBgpAlarmsTask();
    /*
         * commenting this due to a bug with QBGP. Will uncomment once QBGP fix is done.
         * This wont have any functional impacts
         */
    // try {
    // br.delayEOR(delayEorSeconds);
    // } catch (TException | BgpRouterException e) {
    // LOG.error("Replay: delayEOR() number of seconds to wait for EOR from ODL:", e);
    // }
    List<Neighbors> neighbors = config.getNeighbors();
    if (neighbors != null) {
        LOG.error("configuring existing Neighbors present for replay total neighbors {}", neighbors.size());
        boolean neighborConfigReplayResult = replayNbrConfig(neighbors, br);
        if (neighborConfigReplayResult == false) {
            replaySucceded = false;
        }
    } else {
        LOG.error("no Neighbors present for replay config ");
    }
    Logging logging = config.getLogging();
    if (logging != null) {
        try {
            br.setLogging(logging.getFile(), logging.getLevel());
        } catch (TException | BgpRouterException e) {
            LOG.error("Replay:setLogging() received exception", e);
        }
    }
    GracefulRestart gracefulRestart = config.getGracefulRestart();
    if (gracefulRestart != null) {
        try {
            br.addGracefulRestart(gracefulRestart.getStalepathTime().intValue());
        } catch (TException | BgpRouterException e) {
            LOG.error("Replay:addGr() received exception", e);
        }
    }
    List<Vrfs> vrfs = config.getVrfs();
    if (vrfs == null) {
        vrfs = new ArrayList<>();
    }
    for (Vrfs vrf : vrfs) {
        for (AddressFamiliesVrf adf : vrf.getAddressFamiliesVrf()) {
            try {
                br.addVrf(BgpUtil.getLayerType(adf), vrf.getRd(), vrf.getImportRts(), vrf.getExportRts());
            } catch (TException | BgpRouterException e) {
                LOG.error("Replay:addVrf() received exception", e);
            }
        }
    }
    List<Networks> ln = config.getNetworks();
    if (ln != null) {
        for (Networks net : ln) {
            String rd = net.getRd();
            String pfxlen = net.getPrefixLen();
            String nh = net.getNexthop().getValue();
            Long label = net.getLabel();
            int lbl = label == null ? 0 : label.intValue();
            int l3vni = net.getL3vni() == null ? 0 : net.getL3vni().intValue();
            int l2vni = net.getL2vni() == null ? 0 : net.getL2vni().intValue();
            if (rd == null && lbl > 0) {
                // LU prefix is being deleted.
                rd = Integer.toString(lbl);
            }
            BgpControlPlaneType protocolType = net.getBgpControlPlaneType();
            int ethernetTag = net.getEthtag().intValue();
            String esi = net.getEsi();
            String macaddress = net.getMacaddress();
            EncapType encapType = net.getEncapType();
            String routerMac = net.getRoutermac();
            try {
                br.addPrefix(rd, pfxlen, nh, lbl, l3vni, l2vni, BgpUtil.convertToThriftProtocolType(protocolType), ethernetTag, esi, macaddress, BgpUtil.convertToThriftEncapType(encapType), routerMac);
            } catch (TException | BgpRouterException e) {
                LOG.error("Replay:addPfx() received exception", e);
            }
        }
    }
    List<Multipath> multipaths = config.getMultipath();
    if (multipaths != null) {
        for (Multipath multipath : multipaths) {
            if (multipath != null) {
                af_afi afi = af_afi.findByValue(multipath.getAfi().intValue());
                af_safi safi = af_safi.findByValue(multipath.getSafi().intValue());
                try {
                    if (multipath.isMultipathEnabled()) {
                        br.enableMultipath(afi, safi);
                    } else {
                        br.disableMultipath(afi, safi);
                    }
                } catch (TException | BgpRouterException e) {
                    LOG.info("Replay:multipaths() received exception", e);
                }
            }
        }
    }
    List<VrfMaxpath> vrfMaxpaths = config.getVrfMaxpath();
    if (vrfMaxpaths != null) {
        for (VrfMaxpath vrfMaxpath : vrfMaxpaths) {
            try {
                br.multipaths(vrfMaxpath.getRd(), vrfMaxpath.getMaxpaths());
            } catch (TException | BgpRouterException e) {
                LOG.info("Replay:vrfMaxPath() received exception", e);
            }
        }
    }
    // send End of Rib Marker to Qthriftd.
    final int numberOfEORRetries = 3;
    replayDone = false;
    RetryOnException eorRetry = new RetryOnException(numberOfEORRetries);
    do {
        try {
            br.sendEOR();
            LOG.debug("Replay sendEOR {} successful");
            replayDone = true;
            break;
        } catch (Exception e) {
            eorRetry.errorOccured();
            LOG.error("Replay:sedEOR() received exception:", e);
        }
    } while (eorRetry.shouldRetry());
    return replaySucceded && replayDone;
}

Example 25 with Networks

use of org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.external.networks.Networks 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;
}