--- /dev/null
+/*
+ * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.vpnservice.elan.l2gw.utils;
+
+import java.math.BigInteger;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Objects;
+import java.util.Set;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Future;
+
+import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
+import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
+import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
+import org.opendaylight.elanmanager.utils.ElanL2GwCacheUtils;
+import org.opendaylight.vpnservice.datastoreutils.DataStoreJobCoordinator;
+import org.opendaylight.vpnservice.elan.utils.ElanUtils;
+import org.opendaylight.vpnservice.interfacemgr.IfmUtil;
+import org.opendaylight.vpnservice.mdsalutil.MDSALUtil;
+import org.opendaylight.vpnservice.neutronvpn.api.l2gw.L2GatewayDevice;
+import org.opendaylight.vpnservice.utils.SystemPropertyReader;
+import org.opendaylight.vpnservice.utils.clustering.ClusteringUtils;
+import org.opendaylight.vpnservice.utils.hwvtep.HwvtepSouthboundConstants;
+import org.opendaylight.vpnservice.utils.hwvtep.HwvtepSouthboundUtils;
+import org.opendaylight.vpnservice.utils.hwvtep.HwvtepUtils;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateway.attributes.Devices;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.HwvtepPhysicalLocatorAugmentation;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LocalUcastMacs;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.LogicalSwitches;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.global.attributes.RemoteUcastMacs;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.ovsdb.hwvtep.rev150901.hwvtep.physical.port.attributes.VlanBindings;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan._interface.forwarding.entries.ElanInterfaceMac;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfaces;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.forwarding.tables.MacTable;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstance;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.forwarding.entries.MacEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfTunnel;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rpcs.rev151217.AddL2GwDeviceInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rpcs.rev151217.GetExternalTunnelInterfaceNameInputBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rpcs.rev151217.GetExternalTunnelInterfaceNameOutput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.itm.rpcs.rev151217.ItmRpcService;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.NodeId;
+import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node;
+import org.opendaylight.yangtools.binding.data.codec.api.BindingNormalizedNodeSerializer;
+import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.google.common.base.Function;
+import com.google.common.base.Optional;
+import com.google.common.collect.Lists;
+import com.google.common.util.concurrent.FutureCallback;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.SettableFuture;
+
+/**
+ * It gathers a set of utility methods that handle ELAN configuration in external Devices (where external means
+ * "not-CSS". As of now: TORs).
+ *
+ * It makes use of HwvtepUtils class located under ovsdb/hwvtepsouthbound project for low-level mdsal operations
+ *
+ * @author eperefr
+ *
+ */
+public class ElanL2GatewayUtils {
+
+ private static DataBroker broker;
+ private static ItmRpcService itmRpcService;
+
+ private static final Logger LOG = LoggerFactory.getLogger(ElanL2GatewayUtils.class);
+
+ /**
+ * Sets the data broker.
+ *
+ * @param dataBroker
+ * the new data broker
+ */
+ public static void setDataBroker(DataBroker dataBroker) {
+ broker = dataBroker;
+ }
+
+ /**
+ * Sets the itm rpc service.
+ *
+ * @param itmRpc
+ * the new itm rpc service
+ */
+ public static void setItmRpcService(ItmRpcService itmRpc) {
+ itmRpcService = itmRpc;
+ }
+
+ /**
+ * Installs the given MAC as a remote mac in all external devices (as of
+ * now, TORs) that participate in the given Elan.
+ *
+ * @param elanInstance
+ * Elan to which the interface belongs to
+ * @param dpId
+ * Id of the DPN where the macs are located. Needed for selecting
+ * the right tunnel
+ * @param macAddresses
+ * the mac addresses
+ */
+ public static void installMacsInElanExternalDevices(ElanInstance elanInstance, BigInteger dpId,
+ List<PhysAddress> macAddresses) {
+ String logicalSwitchName = getElanFromLogicalSwitch(elanInstance.getElanInstanceName());
+ ConcurrentMap<String, L2GatewayDevice> elanDevices = ElanL2GwCacheUtils
+ .getAllElanL2GatewayDevicesFromCache(elanInstance.getElanInstanceName());
+ for (L2GatewayDevice externalDevice : elanDevices.values()) {
+ NodeId nodeId = new NodeId(externalDevice.getHwvtepNodeId());
+ IpAddress dpnTepIp = getSourceDpnTepIp(dpId, nodeId);
+ LOG.trace("Dpn Tep IP: {} for dpnId: {} and nodeId: {}", dpnTepIp, dpId, nodeId);
+ if (dpnTepIp == null) {
+ LOG.error("TEP IP not found for dpnId {} and nodeId {}", dpId, nodeId);
+ continue;
+ }
+ installMacsInExternalDeviceAsRemoteUcastMacs(externalDevice.getHwvtepNodeId(), macAddresses,
+ logicalSwitchName, dpnTepIp);
+ }
+ }
+
+ /**
+ * Installs a list of Mac Addresses as remote Ucast address in an external
+ * device using the hwvtep-southbound.
+ *
+ * @param deviceNodeId
+ * NodeId if the ExternalDevice where the macs must be installed
+ * in.
+ * @param macAddresses
+ * List of Mac addresses to be installed in the external device.
+ * @param logicalSwitchName
+ * the logical switch name
+ * @param remoteVtepIp
+ * VTEP's IP in this CSS used for the tunnel with external
+ * device.
+ */
+ private static ListenableFuture<Void> installMacsInExternalDeviceAsRemoteUcastMacs(String deviceNodeId,
+ List<PhysAddress> macAddresses, String logicalSwitchName, IpAddress remoteVtepIp) {
+ NodeId nodeId = new NodeId(deviceNodeId);
+ HwvtepPhysicalLocatorAugmentation phyLocatorAug = HwvtepSouthboundUtils
+ .createHwvtepPhysicalLocatorAugmentation(String.valueOf(remoteVtepIp.getValue()));
+ List<RemoteUcastMacs> macs = new ArrayList<RemoteUcastMacs>();
+ for (PhysAddress mac : macAddresses) {
+ // TODO: Query ARP cache to get IP address corresponding to
+ // the MAC
+ IpAddress ipAddress = null;
+ macs.add(HwvtepSouthboundUtils.createRemoteUcastMac(nodeId, mac.getValue(), ipAddress, logicalSwitchName,
+ phyLocatorAug));
+ }
+ return HwvtepUtils.addRemoteUcastMacs(broker, nodeId, macs);
+ }
+
+ /**
+ * Install macs in external device as remote ucast macs.
+ *
+ * @param elanName
+ * the elan name
+ * @param lstElanInterfaceNames
+ * the lst Elan interface names
+ * @param dpnId
+ * the dpn id
+ * @param externalNodeId
+ * the external node id
+ * @return the listenable future
+ */
+ public static ListenableFuture<Void> installMacsInExternalDeviceAsRemoteUcastMacs(String elanName,
+ Set<String> lstElanInterfaceNames, BigInteger dpnId, NodeId externalNodeId) {
+ SettableFuture<Void> future = SettableFuture.create();
+ future.set(null);
+ if (lstElanInterfaceNames == null || lstElanInterfaceNames.isEmpty()) {
+ return future;
+ }
+
+ IpAddress dpnTepIp = getSourceDpnTepIp(dpnId, externalNodeId);
+ if (dpnTepIp == null) {
+ return future;
+ }
+
+ WriteTransaction transaction = broker.newWriteOnlyTransaction();
+ HwvtepPhysicalLocatorAugmentation phyLocatorAug = HwvtepUtils.getPhysicalLocator(broker,
+ LogicalDatastoreType.CONFIGURATION, externalNodeId, dpnTepIp);
+ if (phyLocatorAug == null) {
+ phyLocatorAug = HwvtepSouthboundUtils
+ .createHwvtepPhysicalLocatorAugmentation(String.valueOf(dpnTepIp.getValue()));
+ HwvtepUtils.putPhysicalLocator(transaction, externalNodeId, phyLocatorAug);
+ }
+
+ String logicalSwitchName = getLogicalSwitchFromElan(elanName);
+ for (String interfaceName : lstElanInterfaceNames) {
+ ElanInterfaceMac elanInterfaceMac = ElanUtils.getElanInterfaceMacByInterfaceName(interfaceName);
+ if (elanInterfaceMac != null && elanInterfaceMac.getMacEntry() != null) {
+ for (MacEntry macEntry : elanInterfaceMac.getMacEntry()) {
+ // TODO: Query ARP cache to get IP address corresponding to
+ // the MAC
+ IpAddress ipAddress = null;
+ RemoteUcastMacs mac = HwvtepSouthboundUtils.createRemoteUcastMac(externalNodeId,
+ macEntry.getMacAddress().getValue(), ipAddress, logicalSwitchName, phyLocatorAug);
+ HwvtepUtils.putRemoteUcastMac(transaction, externalNodeId, mac);
+ }
+ }
+ }
+ LOG.debug("Installing macs in external device [{}] for dpn [{}], elan [{}], no of interfaces [{}]",
+ externalNodeId.getValue(), dpnId, elanName, lstElanInterfaceNames.size());
+ return transaction.submit();
+ }
+
+ /**
+ * Removes the given MAC Addresses from all the External Devices belonging
+ * to the specified ELAN.
+ *
+ * @param elanInstance
+ * the elan instance
+ * @param macAddresses
+ * the mac addresses
+ */
+ public static void removeMacsFromElanExternalDevices(ElanInstance elanInstance, List<PhysAddress> macAddresses) {
+ ConcurrentMap<String, L2GatewayDevice> elanL2GwDevices = ElanL2GwCacheUtils
+ .getAllElanL2GatewayDevicesFromCache(elanInstance.getElanInstanceName());
+ for (L2GatewayDevice l2GatewayDevice : elanL2GwDevices.values()) {
+ removeRemoteUcastMacsFromExternalDevice(l2GatewayDevice.getHwvtepNodeId(),
+ elanInstance.getElanInstanceName(), macAddresses);
+ }
+ }
+
+ /**
+ * Removes the given MAC Addresses from the specified External Device.
+ *
+ * @param deviceNodeId
+ * the device node id
+ * @param logicalSwitchName
+ * @param macAddresses
+ * the mac addresses
+ * @return the listenable future
+ */
+ private static ListenableFuture<Void> removeRemoteUcastMacsFromExternalDevice(String deviceNodeId,
+ String logicalSwitchName, List<PhysAddress> macAddresses) {
+ NodeId nodeId = new NodeId(deviceNodeId);
+
+ // TODO (eperefr)
+ List<MacAddress> lstMac = Lists.transform(macAddresses, new Function<PhysAddress, MacAddress>() {
+ @Override
+ public MacAddress apply(PhysAddress physAddress) {
+ return (physAddress != null) ? new MacAddress(physAddress.getValue()) : null;
+ }
+ });
+ return HwvtepUtils.deleteRemoteUcastMacs(broker, nodeId, logicalSwitchName, lstMac);
+ }
+
+ public static ElanInstance getElanInstanceForUcastLocalMac(LocalUcastMacs localUcastMac) {
+ Optional<LogicalSwitches> lsOpc = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL,
+ (InstanceIdentifier<LogicalSwitches>) localUcastMac.getLogicalSwitchRef().getValue());
+ if (lsOpc.isPresent()) {
+ LogicalSwitches ls = lsOpc.get();
+ if (ls != null) {
+ // Logical switch name is Elan name
+ String elanName = getElanFromLogicalSwitch(ls.getHwvtepNodeName().getValue());
+ return ElanUtils.getElanInstanceByName(elanName);
+ } else {
+ String macAddress = localUcastMac.getMacEntryKey().getValue();
+ LOG.error("Could not find logical_switch for {} being added/deleted", macAddress);
+ }
+ }
+ return null;
+ }
+
+ /**
+ * Install external device local macs in dpn.
+ *
+ * @param dpnId
+ * the dpn id
+ * @param l2gwDeviceNodeId
+ * the l2gw device node id
+ * @param elan
+ * the elan
+ */
+ public static void installL2gwDeviceLocalMacsInDpn(BigInteger dpnId, NodeId l2gwDeviceNodeId, ElanInstance elan) {
+ String elanName = elan.getElanInstanceName();
+ L2GatewayDevice l2gwDevice = ElanL2GwCacheUtils.getL2GatewayDeviceFromCache(elanName,
+ l2gwDeviceNodeId.getValue());
+ if (l2gwDevice == null) {
+ LOG.debug("L2 gw device not found in elan cache for device name {}", l2gwDeviceNodeId.getValue());
+ return;
+ }
+
+ List<LocalUcastMacs> l2gwDeviceLocalMacs = l2gwDevice.getUcastLocalMacs();
+ if (l2gwDeviceLocalMacs != null && !l2gwDeviceLocalMacs.isEmpty()) {
+ for (LocalUcastMacs localUcastMac : l2gwDeviceLocalMacs) {
+ ElanUtils.installDmacFlowsToExternalRemoteMac(dpnId, l2gwDeviceNodeId.getValue(), elan.getElanTag(),
+ elan.getVni(), localUcastMac.getMacEntryKey().getValue(), elanName);
+ }
+ }
+ LOG.debug("Installing L2gw device [{}] local macs [size: {}] in dpn [{}] for elan [{}]",
+ l2gwDeviceNodeId.getValue(), l2gwDeviceLocalMacs.size(), dpnId, elanName);
+ }
+
+ public static void installL2GwUcastMacInElan(EntityOwnershipService entityOwnershipService,
+ BindingNormalizedNodeSerializer bindingNormalizedNodeSerializer, final ElanInstance elan,
+ L2GatewayDevice extL2GwDevice, final String macToBeAdded) {
+ final String extDeviceNodeId = extL2GwDevice.getHwvtepNodeId();
+ final String elanInstanceName = elan.getElanInstanceName();
+
+ // Retrieve all participating DPNs in this Elan. Populate this MAC in DMAC table.
+ // Looping through all DPNs in order to add/remove mac flows in their DMAC table
+ List<DpnInterfaces> elanDpns = ElanUtils.getInvolvedDpnsInElan(elanInstanceName);
+ for (DpnInterfaces elanDpn : elanDpns) {
+ final BigInteger dpnId = elanDpn.getDpId();
+ final String nodeId = getNodeIdFromDpnId(dpnId);
+
+ ListenableFuture<Boolean> checkEntityOwnerFuture = ClusteringUtils.checkNodeEntityOwner(
+ entityOwnershipService, MDSALUtil.NODE_PREFIX, nodeId);
+ Futures.addCallback(checkEntityOwnerFuture, new FutureCallback<Boolean>() {
+ @Override
+ public void onSuccess(Boolean isOwner) {
+ if (isOwner) {
+ LOG.info("Installing DMAC flows in {} connected to cluster node owner", dpnId.toString());
+
+ DataStoreJobCoordinator dataStoreCoordinator = DataStoreJobCoordinator.getInstance();
+ dataStoreCoordinator.enqueueJob(nodeId, new Callable<List<ListenableFuture<Void>>>() {
+ @Override
+ public List<ListenableFuture<Void>> call() throws Exception {
+ return ElanUtils.installDmacFlowsToExternalRemoteMac(dpnId, extDeviceNodeId,
+ elan.getElanTag(), elan.getVni(), macToBeAdded, elanInstanceName);
+ }
+ }, SystemPropertyReader.getDataStoreJobCoordinatorMaxRetries());
+ } else {
+ LOG.info("Install DMAC flows is not executed on the cluster node as this is not owner " +
+ "for the DPN {}", dpnId.toString());
+ }
+ }
+
+ @Override
+ public void onFailure(Throwable error) {
+ LOG.error("Failed to install DMAC flows", error);
+ }
+ });
+ }
+
+ final IpAddress extL2GwDeviceTepIp = extL2GwDevice.getTunnelIp();
+ final List<PhysAddress> macList = new ArrayList<PhysAddress>();
+ macList.add(new PhysAddress(macToBeAdded));
+
+ ConcurrentMap<String, L2GatewayDevice> elanL2GwDevices =
+ ElanL2GwCacheUtils.getAllElanL2GatewayDevicesFromCache(elanInstanceName);
+ for (L2GatewayDevice otherDevice : elanL2GwDevices.values()) {
+ if (!otherDevice.getHwvtepNodeId().equals(extDeviceNodeId) && !areMLAGDevices(extL2GwDevice, otherDevice)) {
+ final String hwvtepId = otherDevice.getHwvtepNodeId();
+ InstanceIdentifier<Node> iid = HwvtepSouthboundUtils.createInstanceIdentifier(new NodeId(hwvtepId));
+ ListenableFuture<Boolean> checkEntityOwnerFuture = ClusteringUtils.checkNodeEntityOwner(
+ entityOwnershipService, HwvtepSouthboundConstants.HWVTEP_ENTITY_TYPE,
+ bindingNormalizedNodeSerializer.toYangInstanceIdentifier(iid));
+ Futures.addCallback(checkEntityOwnerFuture, new FutureCallback<Boolean>() {
+ @Override
+ public void onSuccess(Boolean isOwner) {
+ if (isOwner) {
+ LOG.info("Adding DMAC entry in {} connected to cluster node owner", hwvtepId);
+
+ DataStoreJobCoordinator dataStoreCoordinator = DataStoreJobCoordinator.getInstance();
+ dataStoreCoordinator.enqueueJob(hwvtepId, new Callable<List<ListenableFuture<Void>>>() {
+ @Override
+ public List<ListenableFuture<Void>> call() throws Exception {
+ final String logicalSwitchName = getLogicalSwitchFromElan(elanInstanceName);
+ ListenableFuture<Void> installFuture = installMacsInExternalDeviceAsRemoteUcastMacs(
+ hwvtepId, macList, logicalSwitchName, extL2GwDeviceTepIp);
+
+ Futures.addCallback(installFuture, new FutureCallback<Void>() {
+ @Override
+ public void onSuccess(Void noarg) {
+ if (LOG.isTraceEnabled()) {
+ LOG.trace("Successful in initiating ucast_remote_macs addition" +
+ "related to {} in {}", logicalSwitchName, hwvtepId);
+ }
+ }
+
+ @Override
+ public void onFailure(Throwable error) {
+ LOG.error(String.format("Failed adding ucast_remote_macs related to " +
+ "%s in %s", logicalSwitchName, hwvtepId), error);
+ }
+ });
+
+ return Lists.newArrayList(installFuture);
+ }
+ }, SystemPropertyReader.getDataStoreJobCoordinatorMaxRetries());
+ } else {
+ LOG.info("DMAC entry addition is not executed on the cluster node as this is not owner for " +
+ "the Hwvtep {}", hwvtepId);
+ }
+ }
+
+ @Override
+ public void onFailure(Throwable error) {
+ LOG.error("Failed to install DMAC entry", error);
+ }
+ });
+ }
+ }
+ }
+
+ public static void unInstallL2GwUcastMacFromElan(EntityOwnershipService entityOwnershipService,
+ BindingNormalizedNodeSerializer bindingNormalizedNodeSerializer, final ElanInstance elan,
+ L2GatewayDevice extL2GwDevice, final LocalUcastMacs macToBeRemoved) {
+ final String extDeviceNodeId = extL2GwDevice.getHwvtepNodeId();
+ final String elanInstanceName = elan.getElanInstanceName();
+
+ // Retrieve all participating DPNs in this Elan. Populate this MAC in DMAC table.
+ // Looping through all DPNs in order to add/remove mac flows in their DMAC table
+ List<DpnInterfaces> elanDpns = ElanUtils.getInvolvedDpnsInElan(elanInstanceName);
+ for (DpnInterfaces elanDpn : elanDpns) {
+ final BigInteger dpnId = elanDpn.getDpId();
+ final String nodeId = getNodeIdFromDpnId(dpnId);
+
+ ListenableFuture<Boolean> checkEntityOwnerFuture = ClusteringUtils.checkNodeEntityOwner(
+ entityOwnershipService, MDSALUtil.NODE_PREFIX, nodeId);
+ Futures.addCallback(checkEntityOwnerFuture, new FutureCallback<Boolean>() {
+ @Override
+ public void onSuccess(Boolean isOwner) {
+ if (isOwner) {
+ LOG.info("Uninstalling DMAC flows from {} connected to cluster node owner",
+ dpnId.toString());
+
+ DataStoreJobCoordinator dataStoreCoordinator = DataStoreJobCoordinator.getInstance();
+ dataStoreCoordinator.enqueueJob(nodeId, new Callable<List<ListenableFuture<Void>>>() {
+ @Override
+ public List<ListenableFuture<Void>> call() throws Exception {
+ return ElanUtils.deleteDmacFlowsToExternalMac(elan.getElanTag(), dpnId,
+ extDeviceNodeId, macToBeRemoved.getMacEntryKey().getValue());
+ }
+ }, SystemPropertyReader.getDataStoreJobCoordinatorMaxRetries());
+ } else {
+ LOG.info("Uninstall DMAC flows is not executed on the cluster node as this is not owner " +
+ "for the DPN {}", dpnId.toString());
+ }
+ }
+
+ @Override
+ public void onFailure(Throwable error) {
+ LOG.error("Failed to uninstall DMAC flows", error);
+ }
+ });
+ }
+
+ ConcurrentMap<String, L2GatewayDevice> elanL2GwDevices =
+ ElanL2GwCacheUtils.getAllElanL2GatewayDevicesFromCache(elanInstanceName);
+ for (L2GatewayDevice otherDevice : elanL2GwDevices.values()) {
+ if (!otherDevice.getHwvtepNodeId().equals(extDeviceNodeId) && !areMLAGDevices(extL2GwDevice, otherDevice)) {
+ final String hwvtepId = otherDevice.getHwvtepNodeId();
+ final NodeId hwvtepNodeId = new NodeId(hwvtepId);
+ InstanceIdentifier<Node> iid = HwvtepSouthboundUtils.createInstanceIdentifier(hwvtepNodeId);
+ ListenableFuture<Boolean> checkEntityOwnerFuture = ClusteringUtils.checkNodeEntityOwner(
+ entityOwnershipService, HwvtepSouthboundConstants.HWVTEP_ENTITY_TYPE,
+ bindingNormalizedNodeSerializer.toYangInstanceIdentifier(iid));
+ Futures.addCallback(checkEntityOwnerFuture, new FutureCallback<Boolean>() {
+ @Override
+ public void onSuccess(Boolean isOwner) {
+ if (isOwner) {
+ LOG.info("Removing DMAC entry from {} connected to cluster node owner", hwvtepId);
+
+ DataStoreJobCoordinator dataStoreCoordinator = DataStoreJobCoordinator.getInstance();
+ dataStoreCoordinator.enqueueJob(hwvtepId, new Callable<List<ListenableFuture<Void>>>() {
+ @Override
+ public List<ListenableFuture<Void>> call() throws Exception {
+ final String logicalSwitchName = getLogicalSwitchFromElan(elanInstanceName);
+ ListenableFuture<Void> uninstallFuture = HwvtepUtils.deleteRemoteUcastMac(broker,
+ hwvtepNodeId, logicalSwitchName, macToBeRemoved.getMacEntryKey());
+
+ Futures.addCallback(uninstallFuture, new FutureCallback<Void>() {
+ @Override
+ public void onSuccess(Void noarg) {
+ if (LOG.isTraceEnabled()) {
+ LOG.trace("Successful in initiating ucast_remote_macs deletion " +
+ "related to {} in {}", logicalSwitchName, hwvtepId);
+ }
+ }
+
+ @Override
+ public void onFailure(Throwable error) {
+ LOG.error(String.format("Failed removing ucast_remote_macs related " +
+ "to %s in %s", logicalSwitchName, hwvtepId), error);
+ }
+ });
+
+ return Lists.newArrayList(uninstallFuture);
+ }
+ }, SystemPropertyReader.getDataStoreJobCoordinatorMaxRetries());
+ } else {
+ LOG.info("DMAC entry removal is not executed on the cluster node as this is not owner for " +
+ "the Hwvtep {}", hwvtepId);
+ }
+ }
+
+ @Override
+ public void onFailure(Throwable error) {
+ LOG.error("Failed to uninstall DMAC entry", error);
+ }
+ });
+ }
+ }
+ }
+
+ /**
+ * Delete elan macs from L2 gateway device.<br>
+ * This includes deleting ELAN mac table entries plus external device
+ * UcastLocalMacs which are part of the same ELAN.
+ *
+ * @param l2GatewayDevice
+ * the l2 gateway device
+ * @param elanName
+ * the elan name
+ * @return the listenable future
+ */
+ public static ListenableFuture<Void> deleteElanMacsFromL2GatewayDevice(L2GatewayDevice l2GatewayDevice,
+ String elanName) {
+ List<MacAddress> elanMacTableEntries = getElanMacTableEntries(elanName);
+ List<MacAddress> elanL2GatewayDevicesLocalMacs = getElanL2GatewayDevicesLocalMacs(l2GatewayDevice, elanName);
+
+ List<MacAddress> lstElanLocalMacs = new ArrayList<>(elanMacTableEntries);
+ lstElanLocalMacs.addAll(elanL2GatewayDevicesLocalMacs);
+
+ return HwvtepUtils.deleteRemoteUcastMacs(broker, new NodeId(l2GatewayDevice.getHwvtepNodeId()),
+ elanName, lstElanLocalMacs);
+ }
+
+ /**
+ * Gets the elan mac table entries.
+ *
+ * @param elanName
+ * the elan name
+ * @return the elan mac table entries as list
+ */
+ public static List<MacAddress> getElanMacTableEntries(String elanName) {
+ MacTable macTable = ElanUtils.getElanMacTable(elanName);
+ if (macTable == null || macTable.getMacEntry() == null || macTable.getMacEntry().isEmpty()) {
+ LOG.trace("MacTable is empty for elan: {}", elanName);
+ return Collections.emptyList();
+ }
+ List<MacAddress> lstMacs = Lists.transform(macTable.getMacEntry(), new Function<MacEntry, MacAddress>() {
+ @Override
+ public MacAddress apply(MacEntry macEntry) {
+ return (macEntry != null) ? new MacAddress(macEntry.getMacAddress().getValue()) : null;
+ }
+ });
+ return lstMacs;
+ }
+
+ /**
+ * Gets the elan l2 gateway devices local macs.
+ *
+ * @param l2GwDeviceToBeExcluded
+ * the l2 gw device to be excluded
+ * @param elanName
+ * the elan name
+ * @return the elan l2 gateway devices local macs
+ */
+ public static List<MacAddress> getElanL2GatewayDevicesLocalMacs(L2GatewayDevice l2GwDeviceToBeExcluded,
+ String elanName) {
+ List<MacAddress> lstL2GatewayDeviceMacs = new ArrayList<>();
+
+ ConcurrentMap<String, L2GatewayDevice> elanL2GwDevicesFromCache = ElanL2GwCacheUtils
+ .getAllElanL2GatewayDevicesFromCache(elanName);
+ if (elanL2GwDevicesFromCache != null) {
+ for (L2GatewayDevice otherDevice : elanL2GwDevicesFromCache.values()) {
+ if (!otherDevice.getHwvtepNodeId().equals(l2GwDeviceToBeExcluded.getHwvtepNodeId())) {
+ List<LocalUcastMacs> lstUcastLocalMacs = otherDevice.getUcastLocalMacs();
+ if (lstUcastLocalMacs != null) {
+ List<MacAddress> l2GwDeviceMacs = Lists.transform(lstUcastLocalMacs,
+ new Function<LocalUcastMacs, MacAddress>() {
+ @Override
+ public MacAddress apply(LocalUcastMacs localUcastMac) {
+ return (localUcastMac != null) ? localUcastMac.getMacEntryKey() : null;
+ }
+ });
+ lstL2GatewayDeviceMacs.addAll(l2GwDeviceMacs);
+ }
+ }
+ }
+ }
+ return lstL2GatewayDeviceMacs;
+ }
+
+ /**
+ * Install ELAN macs in L2 Gateway device.<br>
+ * This includes installing ELAN mac table entries plus external device
+ * UcastLocalMacs which are part of the same ELAN.
+ *
+ * @param elanName
+ * the elan name
+ * @param l2GatewayDevice
+ * the l2 gateway device which has to be configured
+ * @return the listenable future
+ */
+ public static ListenableFuture<Void> installElanMacsInL2GatewayDevice(String elanName,
+ L2GatewayDevice l2GatewayDevice) {
+ String logicalSwitchName = getLogicalSwitchFromElan(elanName);
+ NodeId hwVtepNodeId = new NodeId(l2GatewayDevice.getHwvtepNodeId());
+
+ List<RemoteUcastMacs> lstL2GatewayDevicesMacs = getL2GatewayDevicesUcastLocalMacsAsRemoteUcastMacs(elanName,
+ l2GatewayDevice, hwVtepNodeId, logicalSwitchName);
+ List<RemoteUcastMacs> lstElanMacTableEntries = getElanMacTableEntriesAsRemoteUcastMacs(elanName,
+ l2GatewayDevice, hwVtepNodeId, logicalSwitchName);
+
+ List<RemoteUcastMacs> lstRemoteUcastMacs = new ArrayList<>(lstL2GatewayDevicesMacs);
+ lstRemoteUcastMacs.addAll(lstElanMacTableEntries);
+
+ ListenableFuture<Void> future = HwvtepUtils.addRemoteUcastMacs(broker, hwVtepNodeId, lstRemoteUcastMacs);
+
+ LOG.info("Added RemoteUcastMacs entries [{}] in config DS. NodeID: {}, LogicalSwitch: {}",
+ lstRemoteUcastMacs.size(), hwVtepNodeId.getValue(), logicalSwitchName);
+ return future;
+ }
+
+ /**
+ * Gets the l2 gateway devices ucast local macs as remote ucast macs.
+ *
+ * @param elanName
+ * the elan name
+ * @param l2GatewayDeviceToBeConfigured
+ * the l2 gateway device to be configured
+ * @param hwVtepNodeId
+ * the hw vtep node Id to be configured
+ * @param logicalSwitchName
+ * the logical switch name
+ * @return the l2 gateway devices macs as remote ucast macs
+ */
+ public static List<RemoteUcastMacs> getL2GatewayDevicesUcastLocalMacsAsRemoteUcastMacs(String elanName,
+ L2GatewayDevice l2GatewayDeviceToBeConfigured, NodeId hwVtepNodeId, String logicalSwitchName) {
+ List<RemoteUcastMacs> lstRemoteUcastMacs = new ArrayList<RemoteUcastMacs>();
+ ConcurrentMap<String, L2GatewayDevice> elanL2GwDevicesFromCache = ElanL2GwCacheUtils
+ .getAllElanL2GatewayDevicesFromCache(elanName);
+
+ if (elanL2GwDevicesFromCache != null) {
+ for (L2GatewayDevice otherDevice : elanL2GwDevicesFromCache.values()) {
+ if (l2GatewayDeviceToBeConfigured.getHwvtepNodeId().equals(otherDevice.getHwvtepNodeId())) {
+ continue;
+ }
+ if (!areMLAGDevices(l2GatewayDeviceToBeConfigured, otherDevice)) {
+ List<LocalUcastMacs> lstUcastLocalMacs = otherDevice.getUcastLocalMacs();
+ if (lstUcastLocalMacs != null) {
+ for (LocalUcastMacs localUcastMac : lstUcastLocalMacs) {
+ HwvtepPhysicalLocatorAugmentation physLocatorAug = HwvtepSouthboundUtils
+ .createHwvtepPhysicalLocatorAugmentation(
+ String.valueOf(otherDevice.getTunnelIp().getValue()));
+ RemoteUcastMacs remoteUcastMac = HwvtepSouthboundUtils.createRemoteUcastMac(hwVtepNodeId,
+ localUcastMac.getMacEntryKey().getValue(), localUcastMac.getIpaddr(),
+ logicalSwitchName, physLocatorAug);
+ lstRemoteUcastMacs.add(remoteUcastMac);
+ }
+ }
+ }
+ }
+ }
+ return lstRemoteUcastMacs;
+ }
+
+ /**
+ * Are MLAG devices.
+ *
+ * @param l2GatewayDevice
+ * the l2 gateway device
+ * @param otherL2GatewayDevice
+ * the other l2 gateway device
+ * @return true, if both the specified l2 gateway devices are part of same
+ * MLAG
+ */
+ public static boolean areMLAGDevices(L2GatewayDevice l2GatewayDevice, L2GatewayDevice otherL2GatewayDevice) {
+ // If tunnel IPs are same, then it is considered to be part of same MLAG
+ return Objects.equals(l2GatewayDevice.getTunnelIp(), otherL2GatewayDevice.getTunnelIp());
+ }
+
+ /**
+ * Gets the elan mac table entries as remote ucast macs. <br>
+ * Note: ELAN MAC table only contains internal switches MAC's. It doesn't
+ * contain external device MAC's.
+ *
+ * @param elanName
+ * the elan name
+ * @param l2GatewayDeviceToBeConfigured
+ * the l2 gateway device to be configured
+ * @param hwVtepNodeId
+ * the hw vtep node id
+ * @param logicalSwitchName
+ * the logical switch name
+ * @return the elan mac table entries as remote ucast macs
+ */
+ public static List<RemoteUcastMacs> getElanMacTableEntriesAsRemoteUcastMacs(String elanName,
+ L2GatewayDevice l2GatewayDeviceToBeConfigured, NodeId hwVtepNodeId, String logicalSwitchName) {
+ List<RemoteUcastMacs> lstRemoteUcastMacs = new ArrayList<RemoteUcastMacs>();
+
+ MacTable macTable = ElanUtils.getElanMacTable(elanName);
+ if (macTable == null || macTable.getMacEntry() == null || macTable.getMacEntry().isEmpty()) {
+ LOG.trace("MacTable is empty for elan: {}", elanName);
+ return lstRemoteUcastMacs;
+ }
+
+ for (MacEntry macEntry : macTable.getMacEntry()) {
+ BigInteger dpnId = ElanUtils.getDpidFromInterface(macEntry.getInterface());
+ if (dpnId == null) {
+ LOG.error("DPN ID not found for interface {}", macEntry.getInterface());
+ continue;
+ }
+
+ IpAddress dpnTepIp = getSourceDpnTepIp(dpnId, hwVtepNodeId);
+ LOG.trace("Dpn Tep IP: {} for dpnId: {} and nodeId: {}", dpnTepIp, dpnId, hwVtepNodeId.getValue());
+ if (dpnTepIp == null) {
+ LOG.error("TEP IP not found for dpnId {} and nodeId {}", dpnId, hwVtepNodeId.getValue());
+ continue;
+ }
+ HwvtepPhysicalLocatorAugmentation physLocatorAug = HwvtepSouthboundUtils
+ .createHwvtepPhysicalLocatorAugmentation(String.valueOf(dpnTepIp.getValue()));
+ // TODO: Query ARP cache to get IP address corresponding to the
+ // MAC
+ IpAddress ipAddress = null;
+ RemoteUcastMacs remoteUcastMac = HwvtepSouthboundUtils.createRemoteUcastMac(hwVtepNodeId,
+ macEntry.getMacAddress().getValue(), ipAddress, logicalSwitchName, physLocatorAug);
+ lstRemoteUcastMacs.add(remoteUcastMac);
+ }
+ return lstRemoteUcastMacs;
+ }
+
+ /**
+ * Gets the external tunnel interface name.
+ *
+ * @param sourceNode
+ * the source node
+ * @param dstNode
+ * the dst node
+ * @return the external tunnel interface name
+ */
+ public static String getExternalTunnelInterfaceName(String sourceNode, String dstNode) {
+ String tunnelInterfaceName = null;
+ try {
+ Future<RpcResult<GetExternalTunnelInterfaceNameOutput>> output = itmRpcService
+ .getExternalTunnelInterfaceName(new GetExternalTunnelInterfaceNameInputBuilder()
+ .setSourceNode(sourceNode).setDestinationNode(dstNode).build());
+
+ RpcResult<GetExternalTunnelInterfaceNameOutput> rpcResult = output.get();
+ if (rpcResult.isSuccessful()) {
+ tunnelInterfaceName = rpcResult.getResult().getInterfaceName();
+ LOG.debug("Tunnel interface name: {} for sourceNode: {} and dstNode: {}", tunnelInterfaceName,
+ sourceNode, dstNode);
+ } else {
+ LOG.warn("RPC call to ITM.GetExternalTunnelInterfaceName failed with error: {}",
+ rpcResult.getErrors());
+ }
+ } catch (NullPointerException | InterruptedException | ExecutionException e) {
+ LOG.error("Failed to get external tunnel interface name for sourceNode: {} and dstNode: {}: {} ",
+ sourceNode, dstNode, e);
+ }
+ return tunnelInterfaceName;
+ }
+
+ /**
+ * Gets the source dpn tep ip.
+ *
+ * @param srcDpnId
+ * the src dpn id
+ * @param dstHwVtepNodeId
+ * the dst hw vtep node id
+ * @return the dpn tep ip
+ */
+ public static IpAddress getSourceDpnTepIp(BigInteger srcDpnId, NodeId dstHwVtepNodeId) {
+ IpAddress dpnTepIp = null;
+ String tunnelInterfaceName = getExternalTunnelInterfaceName(String.valueOf(srcDpnId),
+ dstHwVtepNodeId.getValue());
+ if (tunnelInterfaceName != null) {
+ Interface tunnelInterface = getInterfaceFromConfigDS(new InterfaceKey(tunnelInterfaceName), broker);
+ if (tunnelInterface != null) {
+ dpnTepIp = tunnelInterface.getAugmentation(IfTunnel.class).getTunnelSource();
+ } else {
+ LOG.warn("Tunnel interface not found for tunnelInterfaceName {}", tunnelInterfaceName);
+ }
+ } else {
+ LOG.warn("Tunnel interface name not found for srcDpnId {} and dstHwVtepNodeId {}", srcDpnId,
+ dstHwVtepNodeId);
+ }
+ return dpnTepIp;
+ }
+
+ /**
+ * Update vlan bindings in l2 gateway device.
+ *
+ * @param nodeId
+ * the node id
+ * @param logicalSwitchName
+ * the logical switch name
+ * @param hwVtepDevice
+ * the hardware device
+ * @param defaultVlanId
+ * the default vlan id
+ * @return the listenable future
+ */
+ public static ListenableFuture<Void> updateVlanBindingsInL2GatewayDevice(NodeId nodeId, String logicalSwitchName,
+ Devices hwVtepDevice, Integer defaultVlanId) {
+ if (hwVtepDevice == null || hwVtepDevice.getInterfaces() == null || hwVtepDevice.getInterfaces().isEmpty()) {
+ String errMsg = "HwVtepDevice is null or interfaces are empty.";
+ LOG.error(errMsg);
+ return Futures.immediateFailedFuture(new RuntimeException(errMsg));
+ }
+
+ WriteTransaction transaction = broker.newWriteOnlyTransaction();
+ for (org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateway.attributes.devices.Interfaces deviceInterface : hwVtepDevice
+ .getInterfaces()) {
+ List<VlanBindings> vlanBindings = new ArrayList<>();
+ if (deviceInterface.getSegmentationIds() != null && !deviceInterface.getSegmentationIds().isEmpty()) {
+ for (Integer vlanId : deviceInterface.getSegmentationIds()) {
+ vlanBindings.add(HwvtepSouthboundUtils.createVlanBinding(nodeId, vlanId, logicalSwitchName));
+ }
+ } else {
+ // Use defaultVlanId (specified in L2GatewayConnection) if Vlan
+ // ID not specified at interface level.
+ vlanBindings.add(HwvtepSouthboundUtils.createVlanBinding(nodeId, defaultVlanId, logicalSwitchName));
+ }
+ HwvtepUtils.mergeVlanBindings(transaction, nodeId, hwVtepDevice.getDeviceName(),
+ deviceInterface.getInterfaceName(), vlanBindings);
+ }
+ ListenableFuture<Void> future = transaction.submit();
+ LOG.info("Updated Hwvtep VlanBindings in config DS. NodeID: {}, LogicalSwitch: {}", nodeId.getValue(),
+ logicalSwitchName);
+ return future;
+ }
+
+ /**
+ * Delete vlan bindings from l2 gateway device.
+ *
+ * @param nodeId
+ * the node id
+ * @param hwVtepDevice
+ * the hw vtep device
+ * @param defaultVlanId
+ * the default vlan id
+ * @return the listenable future
+ */
+ public static ListenableFuture<Void> deleteVlanBindingsFromL2GatewayDevice(NodeId nodeId, Devices hwVtepDevice,
+ Integer defaultVlanId) {
+ if (hwVtepDevice == null || hwVtepDevice.getInterfaces() == null || hwVtepDevice.getInterfaces().isEmpty()) {
+ String errMsg = "HwVtepDevice is null or interfaces are empty.";
+ LOG.error(errMsg);
+ return Futures.immediateFailedFuture(new RuntimeException(errMsg));
+ }
+ NodeId physicalSwitchNodeId = HwvtepSouthboundUtils.createManagedNodeId(nodeId, hwVtepDevice.getDeviceName());
+
+ WriteTransaction transaction = broker.newWriteOnlyTransaction();
+ for (org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.l2gateways.rev150712.l2gateway.attributes.devices.Interfaces deviceInterface : hwVtepDevice
+ .getInterfaces()) {
+ String phyPortName = deviceInterface.getInterfaceName();
+ if (deviceInterface.getSegmentationIds() != null && !deviceInterface.getSegmentationIds().isEmpty()) {
+ for (Integer vlanId : deviceInterface.getSegmentationIds()) {
+ HwvtepUtils.deleteVlanBinding(transaction, physicalSwitchNodeId, phyPortName, vlanId);
+ }
+ } else {
+ // Use defaultVlanId (specified in L2GatewayConnection) if Vlan
+ // ID not specified at interface level.
+ HwvtepUtils.deleteVlanBinding(transaction, physicalSwitchNodeId, phyPortName, defaultVlanId);
+ }
+ }
+ ListenableFuture<Void> future = transaction.submit();
+
+ LOG.info("Deleted Hwvtep VlanBindings from config DS. NodeID: {}, hwVtepDevice: {}, defaultVlanId: {} ",
+ nodeId.getValue(), hwVtepDevice, defaultVlanId);
+ return future;
+ }
+
+ /**
+ * Gets the elan name from logical switch name.
+ *
+ * @param logicalSwitchName
+ * the logical switch name
+ * @return the elan name from logical switch name
+ */
+ public static String getElanFromLogicalSwitch(String logicalSwitchName) {
+ // Assuming elan name is same as logical switch name
+ String elanName = logicalSwitchName;
+ return elanName;
+ }
+
+ /**
+ * Gets the logical switch name from elan name.
+ *
+ * @param elanName
+ * the elan name
+ * @return the logical switch from elan name
+ */
+ public static String getLogicalSwitchFromElan(String elanName) {
+ // Assuming logical switch name is same as elan name
+ String logicalSwitchName = elanName;
+ return logicalSwitchName;
+ }
+
+ /**
+ * Gets the l2 gateway connection job key.
+ *
+ * @param nodeId
+ * the node id
+ * @param logicalSwitchName
+ * the logical switch name
+ * @return the l2 gateway connection job key
+ */
+ public static String getL2GatewayConnectionJobKey(String nodeId, String logicalSwitchName) {
+ return new StringBuilder(nodeId).append(logicalSwitchName).toString();
+ }
+
+ public static InstanceIdentifier<Interface> getInterfaceIdentifier(InterfaceKey interfaceKey) {
+ InstanceIdentifier.InstanceIdentifierBuilder<Interface> interfaceInstanceIdentifierBuilder =
+ InstanceIdentifier.builder(Interfaces.class).child(Interface.class, interfaceKey);
+ return interfaceInstanceIdentifierBuilder.build();
+ }
+
+ public static Interface getInterfaceFromConfigDS(InterfaceKey interfaceKey, DataBroker dataBroker) {
+ InstanceIdentifier<Interface> interfaceId = getInterfaceIdentifier(interfaceKey);
+ Optional<Interface> interfaceOptional = IfmUtil.read(LogicalDatastoreType.CONFIGURATION, interfaceId, dataBroker);
+ if (!interfaceOptional.isPresent()) {
+ return null;
+ }
+
+ return interfaceOptional.get();
+ }
+
+ /**
+ * Delete l2 gateway device ucast local macs from elan.<br>
+ * Deletes macs from internal ELAN nodes and also on rest of external l2
+ * gateway devices which are part of the ELAN.
+ *
+ * @param l2GatewayDevice
+ * the l2 gateway device whose ucast local macs to be deleted
+ * from elan
+ * @param elanName
+ * the elan name
+ * @return the listenable future
+ */
+ public static List<ListenableFuture<Void>> deleteL2GatewayDeviceUcastLocalMacsFromElan(
+ L2GatewayDevice l2GatewayDevice, String elanName) {
+ List<ListenableFuture<Void>> futures = new ArrayList<>();
+
+ ElanInstance elan = ElanUtils.getElanInstanceByName(elanName);
+ if (elan == null) {
+ LOG.error("Could not find Elan by name: {}", elanName);
+ return futures;
+ }
+
+ List<LocalUcastMacs> lstLocalUcastMacs = l2GatewayDevice.getUcastLocalMacs();
+ if (lstLocalUcastMacs != null) {
+ for (LocalUcastMacs localUcastMac : lstLocalUcastMacs) {
+ List<DpnInterfaces> dpnInterfaces = ElanUtils.getInvolvedDpnsInElan(elanName);
+ if (dpnInterfaces != null) {
+ // TODO: Need to check if it can be optimized
+ for (DpnInterfaces elanDpn : dpnInterfaces) {
+ ElanUtils.deleteDmacFlowsToExternalMac(elan.getElanTag(), elanDpn.getDpId(),
+ l2GatewayDevice.getHwvtepNodeId(), localUcastMac.getMacEntryKey().getValue());
+ }
+ }
+ }
+
+ List<MacAddress> lstMac = Lists.transform(lstLocalUcastMacs, new Function<LocalUcastMacs, MacAddress>() {
+ @Override
+ public MacAddress apply(LocalUcastMacs mac) {
+ return (mac != null) ? mac.getMacEntryKey() : null;
+ }
+ });
+
+ ConcurrentMap<String, L2GatewayDevice> elanL2GwDevices = ElanL2GwCacheUtils
+ .getAllElanL2GatewayDevicesFromCache(elanName);
+ for (L2GatewayDevice otherDevice : elanL2GwDevices.values()) {
+ if (!otherDevice.getHwvtepNodeId().equals(l2GatewayDevice.getHwvtepNodeId())) {
+ futures.add(HwvtepUtils.deleteRemoteUcastMacs(broker, new NodeId(otherDevice.getHwvtepNodeId()),
+ elanName, lstMac));
+ }
+ }
+ }
+ return futures;
+ }
+
+ public static void createItmTunnels(ItmRpcService itmRpcService, String hwvtepId, String psName,
+ IpAddress tunnelIp) {
+ AddL2GwDeviceInputBuilder builder = new AddL2GwDeviceInputBuilder();
+ builder.setTopologyId(HwvtepSouthboundConstants.HWVTEP_TOPOLOGY_ID.getValue());
+ builder.setNodeId(HwvtepSouthboundUtils.createManagedNodeId(new NodeId(hwvtepId), psName).getValue());
+ builder.setIpAddress(tunnelIp);
+ try {
+ Future<RpcResult<Void>> result = itmRpcService.addL2GwDevice(builder.build());
+ RpcResult<Void> rpcResult = result.get();
+ if (rpcResult.isSuccessful()) {
+ LOG.info("Created ITM tunnels for {}", hwvtepId);
+ } else {
+ LOG.error("Failed to create ITM Tunnels: ", rpcResult.getErrors());
+ }
+ } catch (InterruptedException | ExecutionException e) {
+ LOG.error("RPC to create ITM tunnels failed", e);
+ }
+ }
+
+ public static String getNodeIdFromDpnId(BigInteger dpnId) {
+ return MDSALUtil.NODE_PREFIX + MDSALUtil.SEPARATOR + dpnId.toString();
+ }
+
+}