Examples with Prefix org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.graph.rev191125.graph.topology.graph.Prefix used on opensource projects

Example 16 with Prefix

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.graph.rev191125.graph.topology.graph.Prefix in project netvirt by opendaylight.

the class NexthopManager method removeLocalNextHop.

public void removeLocalNextHop(BigInteger dpnId, Long vpnId, String ipNextHopAddress, String ipPrefixAddress) {
    String ipPrefixStr = vpnId + ipPrefixAddress;
    VpnNexthop prefixNh = null;
    synchronized (ipPrefixStr.intern()) {
        prefixNh = getVpnNexthop(vpnId, ipPrefixAddress);
    }
    String ipAddress = prefixNh != null ? ipPrefixAddress : ipNextHopAddress;
    String nextHopLockStr = vpnId + ipAddress;
    synchronized (nextHopLockStr.intern()) {
        VpnNexthop nh = getVpnNexthop(vpnId, ipAddress);
        if (nh != null) {
            int newFlowrefCnt = nh.getFlowrefCount() - 1;
            if (newFlowrefCnt == 0) {
                // remove the group only if there are no more flows using this group
                GroupEntity groupEntity = MDSALUtil.buildGroupEntity(dpnId, nh.getEgressPointer(), ipAddress, GroupTypes.GroupAll, Collections.EMPTY_LIST);
                // remove Group ...
                mdsalApiManager.removeGroup(groupEntity);
                // update MD-SAL DS
                removeVpnNexthopFromDS(vpnId, ipAddress);
                // release groupId
                removeNextHopPointer(getNextHopKey(vpnId, ipAddress));
                LOG.debug("Local Next hop {} for {} {} on dpn {} successfully deleted", nh.getEgressPointer(), vpnId, ipAddress, dpnId);
            } else {
                // just update the flowrefCount of the vpnNexthop
                VpnNexthop currNh = new VpnNexthopBuilder().setKey(new VpnNexthopKey(ipAddress)).setFlowrefCount(newFlowrefCnt).build();
                LOG.trace("Updating vpnnextHop {} for refCount {} to Operational DS", currNh, newFlowrefCnt);
                MDSALUtil.syncUpdate(dataBroker, LogicalDatastoreType.OPERATIONAL, getVpnNextHopIdentifier(vpnId, ipAddress), currNh);
            }
        } else {
            // throw error
            LOG.error("Local Next hop for Prefix {} VpnId {} on dpn {} not deleted", ipAddress, vpnId, dpnId);
        }
    }
}

Example 17 with Prefix

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.graph.rev191125.graph.topology.graph.Prefix in project netvirt by opendaylight.

the class NexthopManager method createLocalNextHop.

public long createLocalNextHop(long vpnId, BigInteger dpnId, String ifName, String ipNextHopAddress, String ipPrefixAddress, String gwMacAddress, String jobKey) {
    String vpnName = fibUtil.getVpnNameFromId(vpnId);
    if (vpnName == null) {
        return 0;
    }
    String macAddress = fibUtil.getMacAddressFromPrefix(ifName, vpnName, ipPrefixAddress);
    String ipAddress = macAddress != null ? ipPrefixAddress : ipNextHopAddress;
    long groupId = createNextHopPointer(getNextHopKey(vpnId, ipAddress));
    if (groupId == 0) {
        LOG.error("Unable to allocate groupId for vpnId {} , prefix {}  IntfName {}, nextHopAddr {}", vpnId, ipAddress, ifName, ipNextHopAddress);
        return groupId;
    }
    String nextHopLockStr = vpnId + ipAddress;
    jobCoordinator.enqueueJob(jobKey, () -> {
        synchronized (nextHopLockStr.intern()) {
            VpnNexthop nexthop = getVpnNexthop(vpnId, ipAddress);
            LOG.trace("nexthop: {} retrieved for vpnId {}, prefix {}, ifName {} on dpn {}", nexthop, vpnId, ipAddress, ifName, dpnId);
            if (nexthop == null) {
                String encMacAddress = macAddress == null ? fibUtil.getMacAddressFromPrefix(ifName, vpnName, ipAddress) : macAddress;
                List<BucketInfo> listBucketInfo = new ArrayList<>();
                List<ActionInfo> listActionInfo = new ArrayList<>();
                int actionKey = 0;
                // MAC re-write
                if (encMacAddress != null) {
                    if (gwMacAddress != null) {
                        LOG.trace("The Local NextHop Group Source Mac {} for VpnInterface {} on VPN {}", gwMacAddress, ifName, vpnId);
                        listActionInfo.add(new ActionSetFieldEthernetSource(actionKey++, new MacAddress(gwMacAddress)));
                    }
                    listActionInfo.add(new ActionSetFieldEthernetDestination(actionKey++, new MacAddress(encMacAddress)));
                // listActionInfo.add(0, new ActionPopMpls());
                } else {
                    // FIXME: Log message here.
                    LOG.debug("mac address for new local nexthop is null");
                }
                listActionInfo.addAll(getEgressActionsForInterface(ifName, actionKey));
                BucketInfo bucket = new BucketInfo(listActionInfo);
                listBucketInfo.add(bucket);
                GroupEntity groupEntity = MDSALUtil.buildGroupEntity(dpnId, groupId, ipAddress, GroupTypes.GroupAll, listBucketInfo);
                LOG.trace("Install LNH Group: id {}, mac address {}, interface {} for prefix {}", groupId, encMacAddress, ifName, ipAddress);
                // Try to install group directly on the DPN bypassing the FRM, in order to avoid waiting for the
                // group to get installed before programming the flows
                installGroupOnDpn(groupId, dpnId, ipAddress, listBucketInfo, getNextHopKey(vpnId, ipAddress), GroupTypes.GroupAll);
                // install Group
                mdsalApiManager.syncInstallGroup(groupEntity);
                // update MD-SAL DS
                addVpnNexthopToDS(dpnId, vpnId, ipAddress, groupId);
            } else {
                // nexthop exists already; a new flow is going to point to
                // it, increment the flowrefCount by 1
                int flowrefCnt = nexthop.getFlowrefCount() + 1;
                VpnNexthop nh = new VpnNexthopBuilder().setKey(new VpnNexthopKey(ipAddress)).setFlowrefCount(flowrefCnt).build();
                LOG.trace("Updating vpnnextHop {} for refCount {} to Operational DS", nh, flowrefCnt);
                MDSALUtil.syncUpdate(dataBroker, LogicalDatastoreType.OPERATIONAL, getVpnNextHopIdentifier(vpnId, ipAddress), nh);
            }
        }
        return Collections.emptyList();
    });
    return groupId;
}

Example 18 with Prefix

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.graph.rev191125.graph.topology.graph.Prefix in project netvirt by opendaylight.

the class VrfEntryListener method installSubnetBroadcastAddrDropRule.

private void installSubnetBroadcastAddrDropRule(final BigInteger dpnId, final String rd, final long vpnId, final VrfEntry vrfEntry, int addOrRemove, WriteTransaction tx) {
    List<MatchInfo> matches = new ArrayList<>();
    LOG.debug("SUBNETROUTE: installSubnetBroadcastAddrDropRule: destPrefix {} rd {} vpnId {} dpnId {}", vrfEntry.getDestPrefix(), rd, vpnId, dpnId);
    String[] ipAddress = vrfEntry.getDestPrefix().split("/");
    String subnetBroadcastAddr = FibUtil.getBroadcastAddressFromCidr(vrfEntry.getDestPrefix());
    final int prefixLength = ipAddress.length == 1 ? 0 : Integer.parseInt(ipAddress[1]);
    InetAddress destPrefix;
    try {
        destPrefix = InetAddress.getByName(subnetBroadcastAddr);
    } catch (UnknownHostException e) {
        LOG.error("Failed to get destPrefix for prefix {} rd {} VpnId {} DPN {}", vrfEntry.getDestPrefix(), rd, vpnId, dpnId, e);
        return;
    }
    // Match on VpnId and SubnetBroadCast IP address
    matches.add(new MatchMetadata(MetaDataUtil.getVpnIdMetadata(vpnId), MetaDataUtil.METADATA_MASK_VRFID));
    matches.add(MatchEthernetType.IPV4);
    if (prefixLength != 0) {
        matches.add(new MatchIpv4Destination(subnetBroadcastAddr, Integer.toString(IPV4_ADDR_PREFIX_LENGTH)));
    }
    // Action is to drop the packet
    List<InstructionInfo> dropInstructions = new ArrayList<>();
    List<ActionInfo> actionsInfos = new ArrayList<>();
    actionsInfos.add(new ActionDrop());
    dropInstructions.add(new InstructionApplyActions(actionsInfos));
    int priority = DEFAULT_FIB_FLOW_PRIORITY + IPV4_ADDR_PREFIX_LENGTH;
    String flowRef = FibUtil.getFlowRef(dpnId, NwConstants.L3_SUBNET_ROUTE_TABLE, rd, priority, destPrefix);
    FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpnId, NwConstants.L3_SUBNET_ROUTE_TABLE, flowRef, priority, flowRef, 0, 0, COOKIE_TABLE_MISS, matches, dropInstructions);
    Flow flow = flowEntity.getFlowBuilder().build();
    String flowId = flowEntity.getFlowId();
    FlowKey flowKey = new FlowKey(new FlowId(flowId));
    Node nodeDpn = FibUtil.buildDpnNode(dpnId);
    InstanceIdentifier<Flow> flowInstanceId = InstanceIdentifier.builder(Nodes.class).child(Node.class, nodeDpn.getKey()).augmentation(FlowCapableNode.class).child(Table.class, new TableKey(flow.getTableId())).child(Flow.class, flowKey).build();
    if (addOrRemove == NwConstants.ADD_FLOW) {
        tx.put(LogicalDatastoreType.CONFIGURATION, flowInstanceId, flow, true);
    } else {
        tx.delete(LogicalDatastoreType.CONFIGURATION, flowInstanceId);
    }
}

Example 19 with Prefix

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.graph.rev191125.graph.topology.graph.Prefix in project netvirt by opendaylight.

the class VrfEntryListener method createRemoteFibEntry.

private void createRemoteFibEntry(final BigInteger remoteDpnId, final long vpnId, String rd, final VrfEntry vrfEntry, WriteTransaction tx) {
    Boolean wrTxPresent = true;
    if (tx == null) {
        wrTxPresent = false;
        tx = dataBroker.newWriteOnlyTransaction();
    }
    String vpnName = fibUtil.getVpnNameFromId(vpnId);
    LOG.debug("createremotefibentry: adding route {} for rd {} on remoteDpnId {}", vrfEntry.getDestPrefix(), rd, remoteDpnId);
    List<AdjacencyResult> adjacencyResults = baseVrfEntryHandler.resolveAdjacency(remoteDpnId, vpnId, vrfEntry, rd);
    if (adjacencyResults.isEmpty()) {
        LOG.error("Could not get interface for route-paths: {} in vpn {} on DPN {}", vrfEntry.getRoutePaths(), rd, remoteDpnId);
        LOG.error("Failed to add Route: {} in vpn: {}", vrfEntry.getDestPrefix(), rd);
        return;
    }
    List<String> usedRds = VpnExtraRouteHelper.getUsedRds(dataBroker, vpnId, vrfEntry.getDestPrefix());
    List<Routes> vpnExtraRoutes = VpnExtraRouteHelper.getAllVpnExtraRoutes(dataBroker, vpnName, usedRds, vrfEntry.getDestPrefix());
    // multiple VMs
    if (!vpnExtraRoutes.isEmpty() && (vpnExtraRoutes.size() > 1 || vpnExtraRoutes.get(0).getNexthopIpList().size() > 1)) {
        List<InstructionInfo> instructions = new ArrayList<>();
        // Obtain the local routes for this particular dpn.
        java.util.Optional<Routes> routes = vpnExtraRoutes.stream().filter(route -> {
            Prefixes prefixToInterface = fibUtil.getPrefixToInterface(vpnId, fibUtil.getIpPrefix(route.getNexthopIpList().get(0)));
            if (prefixToInterface == null) {
                return false;
            }
            return remoteDpnId.equals(prefixToInterface.getDpnId());
        }).findFirst();
        long groupId = nextHopManager.createNextHopGroups(vpnId, rd, remoteDpnId, vrfEntry, routes.isPresent() ? routes.get() : null, vpnExtraRoutes);
        if (groupId == FibConstants.INVALID_GROUP_ID) {
            LOG.error("Unable to create Group for local prefix {} on rd {} on Node {}", vrfEntry.getDestPrefix(), rd, remoteDpnId.toString());
            return;
        }
        List<ActionInfo> actionInfos = Collections.singletonList(new ActionGroup(groupId));
        instructions.add(new InstructionApplyActions(actionInfos));
        baseVrfEntryHandler.makeConnectedRoute(remoteDpnId, vpnId, vrfEntry, rd, instructions, NwConstants.ADD_FLOW, tx, null);
    } else {
        baseVrfEntryHandler.programRemoteFib(remoteDpnId, vpnId, vrfEntry, tx, rd, adjacencyResults, null);
    }
    if (!wrTxPresent) {
        tx.submit();
    }
    LOG.debug("Successfully added FIB entry for prefix {} in vpnId {}", vrfEntry.getDestPrefix(), vpnId);
}

Example 20 with Prefix

use of org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.graph.rev191125.graph.topology.graph.Prefix in project netvirt by opendaylight.

the class VrfEntryListener method cleanUpDpnForVpn.

public void cleanUpDpnForVpn(final BigInteger dpnId, final long vpnId, final String rd, final FutureCallback<List<Void>> callback) {
    LOG.trace("cleanUpDpnForVpn: Remove dpn {} for vpn {} : cleanUpDpnForVpn", dpnId, rd);
    InstanceIdentifier<VrfTables> id = buildVrfId(rd);
    final VpnInstanceOpDataEntry vpnInstance = fibUtil.getVpnInstance(rd);
    List<SubTransaction> txnObjects = new ArrayList<>();
    final Optional<VrfTables> vrfTable = MDSALUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, id);
    jobCoordinator.enqueueJob(FibUtil.getJobKeyForVpnIdDpnId(vpnId, dpnId), () -> {
        List<ListenableFuture<Void>> futures = new ArrayList<>();
        if (vrfTable.isPresent()) {
            synchronized (vpnInstance.getVpnInstanceName().intern()) {
                futures.add(retryingTxRunner.callWithNewWriteOnlyTransactionAndSubmit(tx -> {
                    for (final VrfEntry vrfEntry : vrfTable.get().getVrfEntry()) {
                        /* Handle subnet routes here */
                        SubnetRoute subnetRoute = vrfEntry.getAugmentation(SubnetRoute.class);
                        if (subnetRoute != null) {
                            LOG.trace("SUBNETROUTE: cleanUpDpnForVpn: Cleaning subnetroute {} on dpn {}" + " for vpn {}", vrfEntry.getDestPrefix(), dpnId, rd);
                            baseVrfEntryHandler.makeConnectedRoute(dpnId, vpnId, vrfEntry, rd, null, NwConstants.DEL_FLOW, tx, null);
                            List<RoutePaths> routePaths = vrfEntry.getRoutePaths();
                            if (routePaths != null) {
                                for (RoutePaths routePath : routePaths) {
                                    makeLFibTableEntry(dpnId, routePath.getLabel(), null, DEFAULT_FIB_FLOW_PRIORITY, NwConstants.DEL_FLOW, tx);
                                    LOG.trace("SUBNETROUTE: cleanUpDpnForVpn: Released subnetroute label {}" + " for rd {} prefix {}", routePath.getLabel(), rd, vrfEntry.getDestPrefix());
                                }
                            }
                            installSubnetBroadcastAddrDropRule(dpnId, rd, vpnId, vrfEntry, NwConstants.DEL_FLOW, tx);
                            continue;
                        }
                        // ping responder for router interfaces
                        RouterInterface routerInt = vrfEntry.getAugmentation(RouterInterface.class);
                        if (routerInt != null) {
                            LOG.trace("Router augmented vrfentry found for rd:{}, uuid:{}, ip:{}, mac:{}", rd, routerInt.getUuid(), routerInt.getIpAddress(), routerInt.getMacAddress());
                            routerInterfaceVrfEntryHandler.installRouterFibEntry(vrfEntry, dpnId, vpnId, routerInt.getIpAddress(), new MacAddress(routerInt.getMacAddress()), NwConstants.DEL_FLOW);
                            continue;
                        }
                        // Handle local flow deletion for imports
                        if (RouteOrigin.value(vrfEntry.getOrigin()) == RouteOrigin.SELF_IMPORTED) {
                            java.util.Optional<Long> optionalLabel = FibUtil.getLabelFromRoutePaths(vrfEntry);
                            if (optionalLabel.isPresent()) {
                                List<String> nextHopList = FibHelper.getNextHopListFromRoutePaths(vrfEntry);
                                LabelRouteInfo lri = getLabelRouteInfo(optionalLabel.get());
                                if (isPrefixAndNextHopPresentInLri(vrfEntry.getDestPrefix(), nextHopList, lri) && lri.getDpnId().equals(dpnId)) {
                                    deleteLocalFibEntry(vpnId, rd, vrfEntry);
                                }
                            }
                        }
                        // Passing null as we don't know the dpn
                        // to which prefix is attached at this point
                        List<String> usedRds = VpnExtraRouteHelper.getUsedRds(dataBroker, vpnInstance.getVpnId(), vrfEntry.getDestPrefix());
                        String vpnName = fibUtil.getVpnNameFromId(vpnInstance.getVpnId());
                        Optional<Routes> extraRouteOptional;
                        // an adjacency in the vpn
                        if (usedRds != null && !usedRds.isEmpty()) {
                            if (usedRds.size() > 1) {
                                LOG.error("The extra route prefix is still present in some DPNs");
                                return;
                            } else {
                                extraRouteOptional = VpnExtraRouteHelper.getVpnExtraroutes(dataBroker, vpnName, usedRds.get(0), vrfEntry.getDestPrefix());
                            }
                        } else {
                            extraRouteOptional = Optional.absent();
                        }
                        if (RouteOrigin.BGP.getValue().equals(vrfEntry.getOrigin())) {
                            bgpRouteVrfEntryHandler.deleteRemoteRoute(null, dpnId, vpnId, vrfTable.get().getKey(), vrfEntry, extraRouteOptional, tx, txnObjects);
                        } else {
                            baseVrfEntryHandler.deleteRemoteRoute(null, dpnId, vpnId, vrfTable.get().getKey(), vrfEntry, extraRouteOptional, tx);
                        }
                    }
                }));
            }
            if (callback != null) {
                ListenableFuture<List<Void>> listenableFuture = Futures.allAsList(futures);
                Futures.addCallback(listenableFuture, callback, MoreExecutors.directExecutor());
            }
        }
        return futures;
    });
}