2 * Copyright (c) 2016 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.vpnservice.elan.utils;
10 import com.google.common.base.Optional;
11 import com.google.common.util.concurrent.FutureCallback;
12 import com.google.common.util.concurrent.Futures;
13 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
14 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
15 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
16 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
17 import org.opendaylight.vpnservice.elan.internal.ElanInstanceManager;
18 import com.google.common.util.concurrent.CheckedFuture;
19 import org.opendaylight.vpnservice.elan.internal.ElanServiceProvider;
20 import org.opendaylight.vpnservice.interfacemgr.globals.InterfaceInfo;
21 import org.opendaylight.vpnservice.interfacemgr.globals.InterfaceServiceUtil;
22 import org.opendaylight.vpnservice.itm.api.IITMProvider;
23 import org.opendaylight.vpnservice.mdsalutil.*;
24 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
25 import org.opendaylight.vpnservice.mdsalutil.interfaces.IMdsalApiManager;
26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.OutputActionCase;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.PushVlanActionCase;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.action.SetFieldCase;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.flow.MatchBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.Nodes;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
37 //import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice._interface.service.rev150602._interface.service.info.ServiceInfo;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.*;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.ExtensionKey;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.GeneralAugMatchNodesNodeTableFlow;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.GeneralAugMatchNodesNodeTableFlowBuilder;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.general.extension.grouping.ExtensionBuilder;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.general.extension.list.grouping.ExtensionList;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.general.rev140714.general.extension.list.grouping.ExtensionListBuilder;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.*;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowplugin.extension.nicira.match.rev140714.nxm.nx.reg.grouping.NxmNxRegBuilder;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.*;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan._interface.forwarding.entries.ElanInterfaceMac;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan._interface.forwarding.entries.ElanInterfaceMacKey;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesList;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesListKey;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfaces;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfacesKey;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.forwarding.tables.MacTable;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.forwarding.tables.MacTableBuilder;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.forwarding.tables.MacTableKey;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstance;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstanceBuilder;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.instances.ElanInstanceKey;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.interfaces.ElanInterface;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.interfaces.ElanInterfaceKey;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.state.Elan;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.state.ElanBuilder;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.state.ElanKey;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.tag.name.map.ElanTagName;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.tag.name.map.ElanTagNameBuilder;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.tag.name.map.ElanTagNameKey;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.forwarding.entries.MacEntry;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.forwarding.entries.MacEntryKey;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.*;
71 //import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331.IfIndexesInterfaceMap;
72 //import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331._if.indexes._interface.map.IfIndexInterface;
73 //import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rev150331._if.indexes._interface.map.IfIndexInterfaceKey;
74 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetEgressActionsForInterfaceInputBuilder;
75 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.rpcs.rev151003.GetEgressActionsForInterfaceOutput;
76 import org.opendaylight.yangtools.yang.binding.DataObject;
77 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
78 import org.opendaylight.yangtools.yang.common.RpcResult;
79 import org.slf4j.Logger;
80 import org.slf4j.LoggerFactory;
82 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.IfIndexesInterfaceMap;
83 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._if.indexes._interface.map.IfIndexInterface;
84 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._if.indexes._interface.map.IfIndexInterfaceKey;
85 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.ServicesInfo;
86 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.ServiceBindings;
87 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.ServiceTypeFlowBased;
88 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.StypeOpenflow;
89 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.StypeOpenflowBuilder;
90 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.ServicesInfoKey;
91 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.services.info.BoundServices;
92 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.services.info.BoundServicesBuilder;
93 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.servicebinding.rev151015.service.bindings.services.info.BoundServicesKey;
96 import java.math.BigInteger;
97 import java.util.ArrayList;
98 import java.util.List;
99 import java.util.concurrent.ExecutionException;
100 import java.util.concurrent.Future;
102 public class ElanUtils {
104 private static ElanServiceProvider elanServiceProvider;
105 private static final Logger logger = LoggerFactory.getLogger(ElanUtils.class);
107 public static final FutureCallback<Void> DEFAULT_CALLBACK =
108 new FutureCallback<Void>() {
109 public void onSuccess(Void result) {
110 logger.debug("Success in Datastore operation");
113 public void onFailure(Throwable error) {
114 logger.error("Error in Datastore operation", error);
118 public static Integer getUniqueId(IdManagerService idManager, String poolName, String idKey) {
119 AllocateIdInput getIdInput = new AllocateIdInputBuilder()
120 .setPoolName(poolName)
121 .setIdKey(idKey).build();
124 Future<RpcResult<AllocateIdOutput>> result = idManager.allocateId(getIdInput);
125 RpcResult<AllocateIdOutput> rpcResult = result.get();
126 if(rpcResult.isSuccessful()) {
127 return rpcResult.getResult().getIdValue().intValue();
129 logger.warn("RPC Call to Allocate Id returned with Errors {}", rpcResult.getErrors());
131 } catch (InterruptedException | ExecutionException e) {
132 logger.warn("Exception when Allocating Id",e);
137 public static void setElanServiceProvider(ElanServiceProvider elanService) {
138 elanServiceProvider = elanService;
140 public static void releaseId(IdManagerService idManager, String poolName, String idKey) {
141 ReleaseIdInput releaseIdInput = new ReleaseIdInputBuilder().setPoolName(poolName).setIdKey(idKey).build();
142 Future<RpcResult<Void>> result = idManager.releaseId(releaseIdInput);
145 public static <T extends DataObject> Optional<T> read(DataBroker broker, LogicalDatastoreType datastoreType,
146 InstanceIdentifier<T> path) {
148 ReadOnlyTransaction tx = broker.newReadOnlyTransaction();
150 Optional<T> result = Optional.absent();
152 result = tx.read(datastoreType, path).get();
153 } catch (Exception e) {
154 throw new RuntimeException(e);
161 public static <T extends DataObject> void delete(DataBroker broker, LogicalDatastoreType datastoreType, InstanceIdentifier<T> path) {
162 WriteTransaction tx = broker.newWriteOnlyTransaction();
163 tx.delete(datastoreType, path);
164 Futures.addCallback(tx.submit(), DEFAULT_CALLBACK);
167 public static InstanceIdentifier<ElanInstance> getElanInstanceIdentifier(String elanName) {
168 return InstanceIdentifier.builder(ElanInstances.class)
169 .child(ElanInstance.class, new ElanInstanceKey(elanName)).build();
172 public static InstanceIdentifier<ElanInstance> getElanInstanceIdentifier() {
173 return InstanceIdentifier.builder(ElanInstances.class).child(ElanInstance.class).build();
176 //elan-instances config container
177 public static ElanInstance getElanInstanceByName(String elanInstanceName) {
178 DataBroker broker = elanServiceProvider.getBroker();
179 InstanceIdentifier<ElanInstance> elanIdentifierId = getElanInstanceConfigurationDataPath(elanInstanceName);
180 Optional<ElanInstance> elanInstance = read(broker, LogicalDatastoreType.CONFIGURATION, elanIdentifierId);
181 if(elanInstance.isPresent()) {
182 return elanInstance.get();
187 public static InstanceIdentifier<ElanInstance> getElanInstanceConfigurationDataPath(String elanInstanceName) {
188 return InstanceIdentifier.builder(ElanInstances.class).child(ElanInstance.class, new ElanInstanceKey(elanInstanceName)).build();
191 //elan-interfaces Config Container
192 public static ElanInterface getElanInterfaceByElanInterfaceName(String elanInterfaceName) {
193 DataBroker broker = elanServiceProvider.getBroker();
194 InstanceIdentifier<ElanInterface> elanInterfaceId = getElanInterfaceConfigurationDataPathId(elanInterfaceName);
195 Optional<ElanInterface> existingElanInterface = read(broker, LogicalDatastoreType.CONFIGURATION, elanInterfaceId);
196 if(existingElanInterface.isPresent()) {
197 return existingElanInterface.get();
202 public static class RegMatch {
204 final Class<? extends NxmNxReg> reg;
207 public RegMatch(Class<? extends NxmNxReg> reg, Long value) {
213 public static RegMatch of(Class<? extends NxmNxReg> reg, Long value) {
214 return new RegMatch(reg, value);
218 public static void addNxRegMatch(MatchBuilder match, RegMatch... matches) {
219 ArrayList<ExtensionList> extensions = new ArrayList<>();
220 for (RegMatch rm : matches) {
221 Class<? extends ExtensionKey> key;
222 if (NxmNxReg0.class.equals(rm.reg)) {
223 key = NxmNxReg0Key.class;
224 } else if (NxmNxReg1.class.equals(rm.reg)) {
225 key = NxmNxReg1Key.class;
226 } else if (NxmNxReg2.class.equals(rm.reg)) {
227 key = NxmNxReg2Key.class;
228 } else if (NxmNxReg3.class.equals(rm.reg)) {
229 key = NxmNxReg3Key.class;
230 } else if (NxmNxReg4.class.equals(rm.reg)) {
231 key = NxmNxReg4Key.class;
232 } else if (NxmNxReg5.class.equals(rm.reg)) {
233 key = NxmNxReg5Key.class;
234 } else if (NxmNxReg6.class.equals(rm.reg)) {
235 key = NxmNxReg6Key.class;
237 key = NxmNxReg7Key.class;
239 NxAugMatchNodesNodeTableFlow am = new NxAugMatchNodesNodeTableFlowBuilder().setNxmNxReg(
240 new NxmNxRegBuilder().setReg(rm.reg).setValue(rm.value).build()).build();
241 extensions.add(new ExtensionListBuilder().setExtensionKey(key)
242 .setExtension(new ExtensionBuilder().addAugmentation(NxAugMatchNodesNodeTableFlow.class, am).build())
245 GeneralAugMatchNodesNodeTableFlow m = new GeneralAugMatchNodesNodeTableFlowBuilder().setExtensionList(
247 match.addAugmentation(GeneralAugMatchNodesNodeTableFlow.class, m);
250 public static InstanceIdentifier<ElanInterface> getElanInterfaceConfigurationDataPathId(String interfaceName) {
251 return InstanceIdentifier.builder(ElanInterfaces.class).child(ElanInterface.class,
252 new ElanInterfaceKey(interfaceName)).build();
255 //elan-state Operational container
256 public static Elan getElanByName(String elanInstanceName) {
257 DataBroker broker = elanServiceProvider.getBroker();
258 InstanceIdentifier<Elan> elanIdentifier = getElanInstanceOperationalDataPath(elanInstanceName);
259 Optional<Elan> elanInstance = read(broker, LogicalDatastoreType.OPERATIONAL, elanIdentifier);
260 if(elanInstance.isPresent()) {
261 return elanInstance.get();
266 public static InstanceIdentifier<Elan> getElanInstanceOperationalDataPath(String elanInstanceName) {
267 return InstanceIdentifier.builder(ElanState.class).child(Elan.class, new ElanKey(elanInstanceName)).build();
270 // grouping of forwarding-entries
271 public static MacEntry getInterfaceMacEntriesOperationalDataPath(String interfaceName, PhysAddress physAddress) {
272 DataBroker broker = elanServiceProvider.getBroker();
273 InstanceIdentifier<MacEntry> existingMacEntryId = getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, physAddress);
274 Optional<MacEntry> existingInterfaceMacEntry = read(broker, LogicalDatastoreType.OPERATIONAL, existingMacEntryId);
275 if(existingInterfaceMacEntry.isPresent()) {
276 return existingInterfaceMacEntry.get();
281 public static MacEntry getInterfaceMacEntriesOperationalDataPathFromId(InstanceIdentifier identifier) {
282 DataBroker broker = elanServiceProvider.getBroker();
283 Optional<MacEntry> existingInterfaceMacEntry = read(broker, LogicalDatastoreType.OPERATIONAL, identifier);
284 if(existingInterfaceMacEntry.isPresent()) {
285 return existingInterfaceMacEntry.get();
290 public static InstanceIdentifier<MacEntry> getInterfaceMacEntriesIdentifierOperationalDataPath(String interfaceName, PhysAddress physAddress) {
291 return InstanceIdentifier.builder(ElanInterfaceForwardingEntries.class).child(ElanInterfaceMac.class,
292 new ElanInterfaceMacKey(interfaceName)).child(MacEntry.class, new MacEntryKey(physAddress)).build();
296 //elan-forwarding-tables Operational container
297 public static MacEntry getMacTableByElanName(String elanName, PhysAddress physAddress) {
298 DataBroker broker = elanServiceProvider.getBroker();
299 InstanceIdentifier<MacEntry> macId = getMacEntryOperationalDataPath(elanName, physAddress);
300 Optional<MacEntry> existingElanMacEntry = read(broker, LogicalDatastoreType.OPERATIONAL, macId);
301 if(existingElanMacEntry.isPresent()) {
302 return existingElanMacEntry.get();
308 public static MacEntry getMacEntryFromElanMacId(InstanceIdentifier identifier) {
309 DataBroker broker = elanServiceProvider.getBroker();
310 Optional<MacEntry> existingInterfaceMacEntry = read(broker, LogicalDatastoreType.OPERATIONAL, identifier);
311 if(existingInterfaceMacEntry.isPresent()) {
312 return existingInterfaceMacEntry.get();
317 public static InstanceIdentifier<MacEntry> getMacEntryOperationalDataPath(String elanName, PhysAddress physAddress) {
318 return InstanceIdentifier.builder(ElanForwardingTables.class).child(MacTable.class,
319 new MacTableKey(elanName)).child(MacEntry.class, new MacEntryKey(physAddress)).build();
322 public static InstanceIdentifier<MacTable> getElanMacTableOperationalDataPath(String elanName) {
323 return InstanceIdentifier.builder(ElanForwardingTables.class).child(MacTable.class,
324 new MacTableKey(elanName)).build();
327 //elan-interface-forwarding-entries Operational container
328 public static ElanInterfaceMac getElanInterfaceMacByInterfaceName(String interfaceName) {
329 DataBroker broker = elanServiceProvider.getBroker();
330 InstanceIdentifier<ElanInterfaceMac> elanInterfaceId = getElanInterfaceMacEntriesOperationalDataPath(interfaceName);
331 Optional<ElanInterfaceMac> existingElanInterface = read(broker, LogicalDatastoreType.OPERATIONAL, elanInterfaceId);
332 if(existingElanInterface.isPresent()) {
333 return existingElanInterface.get();
338 public static InstanceIdentifier<ElanInterfaceMac> getElanInterfaceMacEntriesOperationalDataPath(String interfaceName) {
339 return InstanceIdentifier.builder(ElanInterfaceForwardingEntries.class).child(ElanInterfaceMac.class,
340 new ElanInterfaceMacKey(interfaceName)).build();
343 //elan-dpn-interfaces Operational Container
344 public static DpnInterfaces getElanInterfaceInfoByElanDpn(String elanInstanceName, BigInteger dpId) {
345 DataBroker broker = elanServiceProvider.getBroker();
346 InstanceIdentifier<DpnInterfaces> elanDpnInterfacesId = getElanDpnInterfaceOperationalDataPath(elanInstanceName, dpId);
347 Optional<DpnInterfaces> elanDpnInterfaces = read(broker, LogicalDatastoreType.OPERATIONAL, elanDpnInterfacesId);
348 if(elanDpnInterfaces.isPresent()) {
349 return elanDpnInterfaces.get();
354 public static InstanceIdentifier<DpnInterfaces> getElanDpnInterfaceOperationalDataPath(String elanInstanceName, BigInteger dpId) {
355 return InstanceIdentifier.builder(ElanDpnInterfaces.class).child(ElanDpnInterfacesList.class,
356 new ElanDpnInterfacesListKey(elanInstanceName)).child(DpnInterfaces.class, new DpnInterfacesKey(dpId)).build();
359 //elan-tag-name-map Operational Container
360 public static ElanTagName getElanInfoByElanTag(long elanTag) {
361 DataBroker broker = elanServiceProvider.getBroker();
362 InstanceIdentifier<ElanTagName> elanId = getElanInfoEntriesOperationalDataPath(elanTag);
363 Optional<ElanTagName> existingElanInfo = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, elanId);
364 if(existingElanInfo.isPresent()) {
365 return existingElanInfo.get();
370 public static InstanceIdentifier<ElanTagName> getElanInfoEntriesOperationalDataPath(long elanTag) {
371 return InstanceIdentifier.builder(ElanTagNameMap.class).child(ElanTagName.class,
372 new ElanTagNameKey(elanTag)).build();
375 // interface-index-tag operational container
376 public static IfIndexInterface getInterfaceInfoByInterfaceTag(long interfaceTag) {
377 DataBroker broker = elanServiceProvider.getBroker();
378 InstanceIdentifier<IfIndexInterface> interfaceId = getInterfaceInfoEntriesOperationalDataPath(interfaceTag);
379 Optional<IfIndexInterface> existingInterfaceInfo = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, interfaceId);
380 if(existingInterfaceInfo.isPresent()) {
381 return existingInterfaceInfo.get();
386 public static InstanceIdentifier<IfIndexInterface> getInterfaceInfoEntriesOperationalDataPath(long interfaceTag) {
387 return InstanceIdentifier.builder(IfIndexesInterfaceMap.class).child(IfIndexInterface.class,
388 new IfIndexInterfaceKey((int) interfaceTag)).build();
393 public static InstanceIdentifier<ElanDpnInterfacesList> getElanDpnOperationDataPath(String elanInstanceName) {
394 return InstanceIdentifier.builder(ElanDpnInterfaces.class).child(ElanDpnInterfacesList.class, new ElanDpnInterfacesListKey(elanInstanceName)).build();
397 public static ElanDpnInterfacesList getElanDpnInterfacesList(String elanName) {
398 DataBroker broker = elanServiceProvider.getBroker();
399 InstanceIdentifier<ElanDpnInterfacesList> elanDpnInterfaceId = getElanDpnOperationDataPath(elanName);
400 Optional<ElanDpnInterfacesList> existingElanDpnInterfaces = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, elanDpnInterfaceId);
401 if(existingElanDpnInterfaces.isPresent()) {
402 return existingElanDpnInterfaces.get();
407 public static ElanDpnInterfaces getElanDpnInterfacesList() {
408 DataBroker broker = elanServiceProvider.getBroker();
409 InstanceIdentifier<ElanDpnInterfaces> elanDpnInterfaceId = InstanceIdentifier.builder(ElanDpnInterfaces.class).build();
410 Optional<ElanDpnInterfaces> existingElanDpnInterfaces = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, elanDpnInterfaceId);
411 if(existingElanDpnInterfaces.isPresent()) {
412 return existingElanDpnInterfaces.get();
417 public static ElanForwardingTables getElanForwardingList() {
418 DataBroker broker = elanServiceProvider.getBroker();
419 InstanceIdentifier<ElanForwardingTables> elanForwardingTableId = InstanceIdentifier.builder(ElanForwardingTables.class).build();
420 Optional<ElanForwardingTables> existingElanForwardingList = ElanUtils.read(broker, LogicalDatastoreType.OPERATIONAL, elanForwardingTableId);
421 if(existingElanForwardingList.isPresent()) {
422 return existingElanForwardingList.get();
428 public static long getElanLocalBCGID(long elanTag) {
429 return ElanConstants.ELAN_GID_MIN + (((elanTag % ElanConstants.ELAN_GID_MIN) *2) - 1);
432 public static long getElanRemoteBCGID(long elanTag) {
433 return ElanConstants.ELAN_GID_MIN + (((elanTag % ElanConstants.ELAN_GID_MIN) *2));
436 public static BigInteger getElanMetadataLabel(long elanTag) {
437 return (BigInteger.valueOf(elanTag)).shiftLeft(24);
440 public static BigInteger getElanMetadataLabel(long elanTag, int lportTag) {
441 return getElanMetadataLabel(elanTag).or(MetaDataUtil.getLportTagMetaData(lportTag));
444 public static BigInteger getElanMetadataMask() {
445 return MetaDataUtil.METADATA_MASK_SERVICE.or(MetaDataUtil.METADATA_MASK_LPORT_TAG);
448 public static void setupMacFlows(ElanInstance elanInfo, InterfaceInfo interfaceInfo, long macTimeout,
450 IMdsalApiManager mdsalApiManager = elanServiceProvider.getMdsalManager();
451 DataBroker broker = elanServiceProvider.getBroker();
452 IITMProvider itmManager = elanServiceProvider.getItmManager();
453 synchronized (macAddress) {
454 logger.info("Acquired lock for mac : " + macAddress + "Proceeding with install operation.");
455 setupKnownSmacFlow(elanInfo, interfaceInfo, macTimeout, macAddress, mdsalApiManager);
456 setupTermDmacFlows(interfaceInfo, itmManager);
457 setupOrigDmacFlows(elanInfo, interfaceInfo, macAddress, mdsalApiManager, broker);
461 public static void setupDMacFlowonRemoteDpn(ElanInstance elanInfo, InterfaceInfo interfaceInfo, BigInteger dstDpId,
463 synchronized (macAddress) {
464 logger.info("Acquired lock for mac : " + macAddress + "Proceeding with install operation.");
465 setupOrigDmacFlowsonRemoteDpn(elanInfo, interfaceInfo, dstDpId, macAddress);
470 private static void setupKnownSmacFlow(ElanInstance elanInfo, InterfaceInfo interfaceInfo, long macTimeout,
471 String macAddress, IMdsalApiManager mdsalApiManager) {
472 FlowEntity flowEntity = getKnownSmacFlowEntity(elanInfo, interfaceInfo, macTimeout, macAddress);
473 mdsalApiManager.installFlow(flowEntity);
474 if (logger.isDebugEnabled()) {
475 logger.debug("Known Smac flow entry created for elan Name:{}, logical Interface port:{} and mac address:{}", elanInfo.getElanInstanceName(), elanInfo.getDescription(), macAddress);
479 private static FlowEntity getKnownSmacFlowEntity(ElanInstance elanInfo, InterfaceInfo interfaceInfo, long macTimeout, String macAddress) {
480 BigInteger dpId = interfaceInfo.getDpId();
481 int lportTag = interfaceInfo.getInterfaceTag();
482 long elanTag = elanInfo.getElanTag();
483 // Matching metadata and eth_src fields
484 List<MatchInfo> mkMatches = new ArrayList<MatchInfo>();
485 mkMatches.add(new MatchInfo(MatchFieldType.metadata, new BigInteger[] {
486 ElanUtils.getElanMetadataLabel(elanInfo.getElanTag(), lportTag),
487 ElanUtils.getElanMetadataMask() }));
488 mkMatches.add(new MatchInfo(MatchFieldType.eth_src, new String[] { macAddress }));
489 List<InstructionInfo> mkInstructions = new ArrayList<InstructionInfo>();
490 mkInstructions.add(new InstructionInfo(InstructionType.goto_table, new long[] { ElanConstants.ELAN_DMAC_TABLE }));
492 FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpId, ElanConstants.ELAN_SMAC_TABLE,
493 getKnownDynamicmacFlowRef(ElanConstants.ELAN_SMAC_TABLE, dpId, lportTag, macAddress, elanTag),
494 20, elanInfo.getDescription(), (int)macTimeout, 0, ElanConstants.COOKIE_ELAN_KNOWN_SMAC.add(BigInteger.valueOf(elanTag)),
495 mkMatches, mkInstructions);
496 flowEntity.setStrictFlag(true);
497 flowEntity.setSendFlowRemFlag(macTimeout != 0); //If Mac timeout is 0, the flow wont be deleted automatically, so no need to get notified
501 private static void setupTermDmacFlows(InterfaceInfo interfaceInfo, IITMProvider itmManager) {
502 BigInteger dpId = interfaceInfo.getDpId();
503 long lportGroupId = interfaceInfo.getGroupId();
504 int lportTag = interfaceInfo.getInterfaceTag();
505 List <ActionInfo> actionsInfos = new ArrayList <ActionInfo> ();
506 actionsInfos = getEgressActionsForInterface(interfaceInfo.getInterfaceName());
508 //FIXME [ELANBE] ITM Service API to invoke Terminating Service
509 //itmManager.createTerminatingServiceActions(dpId, lportTag, actionsInfos);
510 if (logger.isDebugEnabled()) {
511 logger.debug("Terminating service table flow entry created on dpn:{} for logical Interface port:{}", dpId, interfaceInfo.getPortName());
515 public static List<ActionInfo> getEgressActionsForInterface(String ifName) {
516 List<ActionInfo> listActionInfo = new ArrayList<ActionInfo>();
518 Future<RpcResult<GetEgressActionsForInterfaceOutput>> result =
519 elanServiceProvider.getInterfaceManagerRpcService().getEgressActionsForInterface(
520 new GetEgressActionsForInterfaceInputBuilder().setIntfName(ifName).build());
521 RpcResult<GetEgressActionsForInterfaceOutput> rpcResult = result.get();
522 System.out.println("Data is populated");
523 if(!rpcResult.isSuccessful()) {
524 logger.warn("RPC Call to Get egress actions for interface {} returned with Errors {}", ifName, rpcResult.getErrors());
526 List<org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.list.Action> actions =
527 rpcResult.getResult().getAction();
528 for (Action action : actions) {
529 org.opendaylight.yang.gen.v1.urn.opendaylight.action.types.rev131112.action.Action actionClass = action.getAction();
530 if (actionClass instanceof OutputActionCase) {
531 System.out.println("Data ");
532 listActionInfo.add(new ActionInfo(ActionType.output,
533 new String[] {((OutputActionCase)actionClass).getOutputAction()
534 .getOutputNodeConnector().getValue()}));
535 } else if (actionClass instanceof PushVlanActionCase) {
536 listActionInfo.add(new ActionInfo(ActionType.push_vlan, new String[] {}));
537 } else if (actionClass instanceof SetFieldCase) {
538 if (((SetFieldCase)actionClass).getSetField().getVlanMatch() != null) {
539 int vlanVid = ((SetFieldCase)actionClass).getSetField().getVlanMatch().getVlanId().getVlanId().getValue();
540 listActionInfo.add(new ActionInfo(ActionType.set_field_vlan_vid,
541 new String[] { Long.toString(vlanVid) }));
546 } catch (InterruptedException | ExecutionException e) {
547 logger.warn("Exception when egress actions for interface {}", ifName, e);
549 return listActionInfo;
552 private static void setupOrigDmacFlows(ElanInstance elanInfo, InterfaceInfo interfaceInfo, String macAddress,
553 IMdsalApiManager mdsalApiManager, DataBroker broker) {
554 BigInteger dpId = interfaceInfo.getDpId();
555 String ifName = interfaceInfo.getInterfaceName();
556 long ifTag = interfaceInfo.getInterfaceTag();
557 long groupId = interfaceInfo.getGroupId();
558 String elanInstanceName = elanInfo.getElanInstanceName();
559 List<DpnInterfaces> remoteFEs = getInvolvedDpnsInElan(elanInstanceName);
560 if(remoteFEs != null) {
561 for (DpnInterfaces remoteFE : remoteFEs) {
562 Long elanTag = elanInfo.getElanTag();
563 if (remoteFE.getDpId().equals(dpId)) {
564 // On the local FE set up a direct output flow
565 setupLocalDmacFlow(elanTag, dpId, ifName, macAddress, elanInstanceName, mdsalApiManager, ifTag);
566 if (logger.isDebugEnabled()) {
567 logger.debug("Dmac flow entry created for elan Name:{}, logical port Name:{} and mac address:{} on dpn:{}", elanInstanceName, interfaceInfo.getPortName(), macAddress, dpId);
570 if (isDpnPresent(remoteFE.getDpId())) {
571 // Check for the Remote DPN present in Inventory Manager
572 setupRemoteDmacFlow(remoteFE.getDpId(), dpId, interfaceInfo.getInterfaceTag(), elanTag, macAddress, elanInstanceName);
573 if (logger.isDebugEnabled()) {
574 logger.debug("Dmac flow entry created for elan Name:{}, logical port Name:{} and mac address:{} on dpn:{}", elanInstanceName, interfaceInfo.getPortName(), macAddress, remoteFE.getDpId());
582 private static void setupOrigDmacFlowsonRemoteDpn(ElanInstance elanInfo, InterfaceInfo interfaceInfo, BigInteger dstDpId, String macAddress) {
583 BigInteger dpId = interfaceInfo.getDpId();
584 String elanInstanceName = elanInfo.getElanInstanceName();
585 List<DpnInterfaces> remoteFEs = getInvolvedDpnsInElan(elanInstanceName);
586 for(DpnInterfaces remoteFE: remoteFEs) {
587 Long elanTag = elanInfo.getElanTag();
588 if (remoteFE.getDpId().equals(dstDpId)) {
589 // Check for the Remote DPN present in Inventory Manager
590 setupRemoteDmacFlow(dstDpId, dpId, interfaceInfo.getInterfaceTag(), elanTag, macAddress, elanInstanceName);
591 if (logger.isDebugEnabled()) {
592 logger.debug("Dmac flow entry created for elan Name:{}, logical port Name:{} and mac address {} on dpn:{}", elanInstanceName, interfaceInfo.getPortName(), macAddress, remoteFE.getDpId());
600 @SuppressWarnings("unchecked")
601 public static List<DpnInterfaces> getInvolvedDpnsInElan(String elanName) {
602 List<DpnInterfaces> dpns = ElanInstanceManager.getElanInstanceManager().getElanDPNByName(elanName);
606 private static void setupLocalDmacFlow(long elanTag, BigInteger dpId, String ifName, String macAddress,
607 String displayName, IMdsalApiManager mdsalApiManager, long ifTag) {
608 FlowEntity flowEntity = getLocalDmacFlowEntry(elanTag, dpId, ifName, macAddress, displayName, ifTag);
609 mdsalApiManager.installFlow(flowEntity);
613 public static String getKnownDynamicmacFlowRef(short tableId, BigInteger dpId, long lporTag, String macAddress, long elanTag) {
614 return new StringBuffer().append(tableId).append(elanTag).append(dpId).append(lporTag).append(macAddress).toString();
617 public static String getKnownDynamicmacFlowRef(short tableId, BigInteger dpId, BigInteger remoteDpId, String macAddress, long elanTag) {
618 return new StringBuffer().append(tableId).append(elanTag).append(dpId).append(remoteDpId).append(macAddress).toString();
621 public static FlowEntity getLocalDmacFlowEntry(long elanTag, BigInteger dpId, String ifName, String macAddress,
622 String displayName, long ifTag) {
623 List<MatchInfo> mkMatches = new ArrayList<MatchInfo>();
624 mkMatches.add(new MatchInfo(MatchFieldType.metadata, new BigInteger[] {
625 ElanUtils.getElanMetadataLabel(elanTag),
626 MetaDataUtil.METADATA_MASK_SERVICE }));
627 mkMatches.add(new MatchInfo(MatchFieldType.eth_dst, new String[] { macAddress }));
629 List<InstructionInfo> mkInstructions = new ArrayList<InstructionInfo>();
630 List <ActionInfo> actionsInfos = new ArrayList <ActionInfo> ();
631 actionsInfos.addAll(getEgressActionsForInterface(ifName));
632 mkInstructions.add(new InstructionInfo(InstructionType.write_actions, actionsInfos));
634 FlowEntity flowEntity = MDSALUtil.buildFlowEntity(dpId, ElanConstants.ELAN_DMAC_TABLE,
635 getKnownDynamicmacFlowRef(ElanConstants.ELAN_DMAC_TABLE, dpId, ifTag, macAddress, elanTag),
636 20, displayName, 0, 0, ElanConstants.COOKIE_ELAN_KNOWN_DMAC.add(BigInteger.valueOf(elanTag)),
637 mkMatches, mkInstructions);
641 public static void setupRemoteDmacFlow(BigInteger srcDpId, BigInteger destDpId, int lportTag, long elanTag, String macAddress,
642 String displayName) {
643 IMdsalApiManager mdsalApiManager = elanServiceProvider.getMdsalManager();
644 FlowEntity flowEntity = getRemoteDmacFlowEntry(srcDpId, destDpId, lportTag, elanTag, macAddress, displayName);
645 mdsalApiManager.installFlow(flowEntity);
648 public static FlowEntity getRemoteDmacFlowEntry(BigInteger srcDpId, BigInteger destDpId, int lportTag, long elanTag,
649 String macAddress, String displayName) {
650 IITMProvider itmManager = elanServiceProvider.getItmManager();
651 List<MatchInfo> mkMatches = new ArrayList<MatchInfo>();
652 mkMatches.add(new MatchInfo(MatchFieldType.metadata, new BigInteger[]{
653 ElanUtils.getElanMetadataLabel(elanTag),
654 MetaDataUtil.METADATA_MASK_SERVICE }));
655 mkMatches.add(new MatchInfo(MatchFieldType.eth_dst, new String[] { macAddress }));
657 List<InstructionInfo> mkInstructions = new ArrayList<InstructionInfo>();
658 //List of ActionInfo for the provided Source and Destination DPIDs
660 //FIXME [ELANBE] Removing ITM API for now, will need this for multi dpn.
661 //List<ActionInfo> actionsInfos = itmManager.ITMIngressGetActions(srcDpId, destDpId, lportTag);
662 //mkInstructions.add(new InstructionInfo(InstructionType.write_actions, actionsInfos));
663 } catch (Exception e) {
664 logger.error("Interface Not Found exception");
667 FlowEntity flowEntity = MDSALUtil.buildFlowEntity(srcDpId, ElanConstants.ELAN_DMAC_TABLE,
668 getKnownDynamicmacFlowRef(ElanConstants.ELAN_DMAC_TABLE, srcDpId, destDpId, macAddress, elanTag),
669 20, displayName, 0, 0, ElanConstants.COOKIE_ELAN_KNOWN_DMAC.add(BigInteger.valueOf(elanTag)),
670 mkMatches, mkInstructions);
674 public static void deleteMacFlows(ElanInstance elanInfo, InterfaceInfo interfaceInfo, MacEntry macEntry) {
675 if (elanInfo == null || interfaceInfo == null) {
678 String macAddress = macEntry.getMacAddress().getValue();
679 synchronized (macAddress) {
680 logger.info("Acquired lock for mac : " + macAddress + "Proceeding with remove operation.");
681 deleteMacFlows(elanInfo, interfaceInfo, macAddress, true);
685 public static void deleteMacFlows(ElanInstance elanInfo, InterfaceInfo interfaceInfo, String macAddress, boolean deleteSmac) {
686 String elanInstanceName = elanInfo.getElanInstanceName();
687 String ifName = interfaceInfo.getInterfaceName();
688 long ifTag = interfaceInfo.getInterfaceTag();
689 List<DpnInterfaces> remoteFEs = getInvolvedDpnsInElan(elanInstanceName);
690 IMdsalApiManager mdsalApiManager = elanServiceProvider.getMdsalManager();
691 IITMProvider itmManager = elanServiceProvider.getItmManager();
692 BigInteger srcdpId = interfaceInfo.getDpId();
693 String displayName = elanInstanceName;
694 long groupId = interfaceInfo.getGroupId();
695 for (DpnInterfaces dpnInterface: remoteFEs) {
696 Long elanTag = elanInfo.getElanTag();
697 if (dpnInterface.getDpId().equals(srcdpId)) {
699 mdsalApiManager.removeFlow(getKnownSmacFlowEntity(elanInfo, interfaceInfo, 0, macAddress));
701 mdsalApiManager.removeFlow(getLocalDmacFlowEntry(elanTag, dpnInterface.getDpId(), ifName, macAddress, displayName, ifTag));
703 //FIXME [ELANBE] Removing ITM API for now, will need this for multi dpn.
704 //itmManager.removeTerminatingServiceAction(dpnInterface.getDpId(), interfaceInfo.getInterfaceTag());
705 if (logger.isDebugEnabled()) {
706 logger.debug("All the required flows deleted for elan:{}, logical Interface port:{} and mac address:{} on dpn:{}", elanInstanceName, interfaceInfo.getPortName(), macAddress, dpnInterface.getDpId());
708 } else if (isDpnPresent(dpnInterface.getDpId())) {
709 mdsalApiManager.removeFlow(
710 getRemoteDmacFlowEntry(dpnInterface.getDpId(), srcdpId, interfaceInfo.getInterfaceTag(), elanTag, macAddress,
712 if (logger.isDebugEnabled()) {
713 logger.debug("Dmac flow entry deleted for elan:{}, logical interface port:{} and mac address:{} on dpn:{}", elanInstanceName, interfaceInfo.getPortName(), macAddress, dpnInterface.getDpId());
719 public static void UpdateOperationalDataStore(DataBroker broker, IdManagerService idManager, ElanInstance elanInstanceAdded) {
720 String elanInstanceName = elanInstanceAdded.getElanInstanceName();
721 long elanTag = ElanUtils.getUniqueId(idManager, ElanConstants.ELAN_ID_POOL_NAME, elanInstanceName);
722 Elan elanInfo = new ElanBuilder().setName(elanInstanceName).setKey(new ElanKey(elanInstanceName)).build();
723 //Add the ElanState in the elan-state operational data-store
724 MDSALUtil.syncWrite(broker, LogicalDatastoreType.OPERATIONAL, ElanUtils.getElanInstanceOperationalDataPath(elanInstanceName), elanInfo);
725 //Add the ElanMacTable in the elan-mac-table operational data-store
726 MacTable elanMacTable = new MacTableBuilder().setKey(new MacTableKey(elanInstanceName)).build();
727 MDSALUtil.syncWrite(broker, LogicalDatastoreType.OPERATIONAL, ElanUtils.getElanMacTableOperationalDataPath(elanInstanceName), elanMacTable);
728 ElanTagName elanTagName = new ElanTagNameBuilder().setElanTag(elanTag).setKey(new ElanTagNameKey(elanTag)).setName(elanInstanceName).build();
729 //Add the ElanTag to ElanName in the elan-tag-name Operational data-store
730 MDSALUtil.syncWrite(broker, LogicalDatastoreType.OPERATIONAL, ElanUtils.getElanInfoEntriesOperationalDataPath(elanTag), elanTagName);
731 ElanInstance elanInstanceWithTag = new ElanInstanceBuilder().setElanInstanceName(elanInstanceName).setDescription(elanInstanceAdded.getDescription()).setMacTimeout(elanInstanceAdded
732 .getMacTimeout() == null ? ElanConstants.DEFAULT_MAC_TIME_OUT : elanInstanceAdded.getMacTimeout()).setKey(elanInstanceAdded.getKey()).setElanTag(elanTag).build();
733 MDSALUtil.syncUpdate(broker, LogicalDatastoreType.CONFIGURATION, getElanInstanceIdentifier(elanInstanceName), elanInstanceWithTag);
736 public static boolean isDpnPresent(BigInteger dpnId) {
737 DataBroker broker = elanServiceProvider.getBroker();
738 boolean isPresent = false;
739 String dpn = String.format("%s:%s", "openflow",dpnId);
740 NodeId nodeId = new NodeId(dpn);
741 InstanceIdentifier<Node> node = InstanceIdentifier.builder(Nodes.class).child(Node.class, new NodeKey(nodeId)).build();
742 Optional<Node> nodePresent = read(broker, LogicalDatastoreType.OPERATIONAL, node);
743 if(nodePresent.isPresent()) {
749 public static ServicesInfo getServiceInfo(String elanInstanceName, long elanTag, String interfaceName) {
750 int priority = ElanConstants.ELAN_SERVICE_PRIORITY;
751 int instructionKey = 0;
752 List<Instruction> instructions = new ArrayList<Instruction>();
753 instructions.add(MDSALUtil.buildAndGetWriteMetadaInstruction(ElanUtils.getElanMetadataLabel(elanTag), MetaDataUtil.METADATA_MASK_SERVICE, ++instructionKey));
754 instructions.add(MDSALUtil.buildAndGetGotoTableInstruction(ElanConstants.ELAN_SMAC_TABLE, ++instructionKey));
756 ServicesInfo serviceInfo = InterfaceServiceUtil.buildServiceInfo(String.format("%s.%s", elanInstanceName, interfaceName), ElanConstants.ELAN_SERVICE_INDEX,
757 priority, ElanConstants.COOKIE_ELAN_INGRESS_TABLE, instructions);
761 public static <T extends DataObject> void delete(DataBroker broker, LogicalDatastoreType datastoreType,
762 InstanceIdentifier<T> path, FutureCallback<Void> callback) {
763 WriteTransaction tx = broker.newWriteOnlyTransaction();
764 tx.delete(datastoreType, path);
765 Futures.addCallback(tx.submit(), callback);
768 public static <T extends DataObject> void syncWrite(DataBroker broker, LogicalDatastoreType datastoreType,
769 InstanceIdentifier<T> path, T data) {
770 WriteTransaction tx = broker.newWriteOnlyTransaction();
771 tx.put(datastoreType, path, data, true);
772 CheckedFuture<Void, TransactionCommitFailedException> futures = tx.submit();
775 } catch (InterruptedException | ExecutionException e) {
776 logger.error("Error writing to datastore (path, data) : ({}, {})", path, data);
777 throw new RuntimeException(e.getMessage());
782 public static BoundServices getBoundServices(String serviceName, short servicePriority, int flowPriority,
783 BigInteger cookie, List<Instruction> instructions) {
784 StypeOpenflowBuilder augBuilder = new StypeOpenflowBuilder().setFlowCookie(cookie).setFlowPriority(flowPriority).setInstruction(instructions);
785 return new BoundServicesBuilder().setKey(new BoundServicesKey(servicePriority))
786 .setServiceName(serviceName).setServicePriority(servicePriority)
787 .setServiceType(ServiceTypeFlowBased.class).addAugmentation(StypeOpenflow.class, augBuilder.build()).build();
790 public static InstanceIdentifier<BoundServices> buildServiceId(String vpnInterfaceName, short serviceIndex) {
791 return InstanceIdentifier.builder(ServiceBindings.class).child(ServicesInfo.class, new ServicesInfoKey(vpnInterfaceName))
792 .child(BoundServices.class, new BoundServicesKey(serviceIndex)).build();