vpnmanager/vpnmanager-impl/src/main/java/org/opendaylight/vpnservice/VpnUtil.java

   1 /*
   2  * Copyright (c) 2015 - 2016 Ericsson India Global Services Pvt Ltd. and others. All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.vpnservice;
  10
  11 import java.math.BigInteger;
  12 import java.net.InetAddress;
  13 import java.util.concurrent.ExecutionException;
  14 import java.util.concurrent.Future;
  15 import java.util.List;
  16
  17 import com.google.common.base.Optional;
  18 import com.google.common.primitives.Ints;
  19 import com.google.common.util.concurrent.CheckedFuture;
  20 import com.google.common.util.concurrent.FutureCallback;
  21 import com.google.common.util.concurrent.Futures;
  22
  23 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  24 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  25 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  26 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  27 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  28 import org.opendaylight.vpnservice.mdsalutil.NwConstants;
  29 import org.opendaylight.vpnservice.mdsalutil.packet.ARP;
  30 import org.opendaylight.vpnservice.mdsalutil.packet.Ethernet;
  31 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnAfConfig;
  32 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnInterfaces;
  33 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstance;
  34 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.VpnInstances;
  35 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.instances.VpnInstanceKey;
  36 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterface;
  37 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterfaceKey;
  38 import org.opendaylight.yang.gen.v1.urn.huawei.params.xml.ns.yang.l3vpn.rev140815.vpn.interfaces.VpnInterfaceBuilder;
  39 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces;
  40 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface;
  41 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.*;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.adjacency.list.Adjacency;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.Adjacencies;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.AdjacenciesBuilder;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.prefix.to._interface.VpnIds;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.prefix.to._interface.VpnIdsKey;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.prefix.to._interface.vpn.ids.Prefixes;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.prefix.to._interface.vpn.ids.PrefixesBuilder;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.prefix.to._interface.vpn.ids.PrefixesKey;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntryBuilder;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntryKey;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.VpnToDpnList;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.VpnToDpnListKey;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.to.extraroute.Vpn;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.to.extraroute.VpnKey;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.to.extraroute.vpn.Extraroute;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.to.extraroute.vpn.ExtrarouteBuilder;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.to.extraroute.vpn.ExtrarouteKey;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.ElanDpnInterfaces;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesList;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesListKey;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfaces;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.FibEntries;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.fibentries.VrfTables;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.fibmanager.rev150330.fibentries.VrfTablesKey;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdPools;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.id.pools.IdPool;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.id.pools.IdPoolKey;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.AllocateIdInput;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.AllocateIdInputBuilder;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.AllocateIdOutput;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.ReleaseIdInput;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.ReleaseIdInputBuilder;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.idmanager.rev150403.IdManagerService;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007.IfIndexesInterfaceMap;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._if.indexes._interface.map.IfIndexInterface;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.interfacemgr.meta.rev151007._if.indexes._interface.map.IfIndexInterfaceKey;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.l3nexthop.rev150409.L3nexthop;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.l3nexthop.rev150409.l3nexthop.VpnNexthops;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.l3nexthop.rev150409.l3nexthop.VpnNexthopsKey;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.NeutronPortData;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.neutron.port.data.PortFixedipToPortName;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.neutronvpn.rev150602.neutron.port.data.PortFixedipToPortNameKey;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.tag.name.map.ElanTagName;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.ElanTagNameMap;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.vpnservice.elan.rev150602.elan.tag.name.map.ElanTagNameKey;
  89 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  90 import org.opendaylight.yangtools.yang.common.RpcResult;
  91 import org.opendaylight.yangtools.yang.binding.DataObject;
  92 import org.slf4j.Logger;
  93 import org.slf4j.LoggerFactory;
  94
  95 public class VpnUtil {
  96     private static final Logger LOG = LoggerFactory.getLogger(VpnUtil.class);
  97     private static final int DEFAULT_PREFIX_LENGTH = 32;
  98     private static final String PREFIX_SEPARATOR = "/";
  99
 100     static InstanceIdentifier<VpnInterface> getVpnInterfaceIdentifier(String vpnInterfaceName) {
 101         return InstanceIdentifier.builder(VpnInterfaces.class)
 102                 .child(VpnInterface.class, new VpnInterfaceKey(vpnInterfaceName)).build();
 103     }
 104
 105     static InstanceIdentifier<VpnInstance> getVpnInstanceIdentifier(String vpnName) {
 106         return InstanceIdentifier.builder(VpnInstances.class)
 107                 .child(VpnInstance.class, new VpnInstanceKey(vpnName)).build();
 108     }
 109
 110     static VpnInterface getVpnInterface(String intfName, String vpnName, Adjacencies aug) {
 111         return new VpnInterfaceBuilder().setKey(new VpnInterfaceKey(intfName)).setVpnInstanceName(vpnName)
 112                 .addAugmentation(Adjacencies.class, aug)
 113                 .build();
 114     }
 115
 116     static InstanceIdentifier<Prefixes> getPrefixToInterfaceIdentifier(long vpnId, String ipPrefix) {
 117         return InstanceIdentifier.builder(PrefixToInterface.class)
 118             .child(VpnIds.class, new VpnIdsKey(vpnId)).child(Prefixes.class,
 119                                                              new PrefixesKey(ipPrefix)).build();
 120     }
 121
 122     static Prefixes getPrefixToInterface(BigInteger dpId, String vpnInterfaceName, String ipPrefix) {
 123         return new PrefixesBuilder().setDpnId(dpId).setVpnInterfaceName(
 124             vpnInterfaceName).setIpAddress(ipPrefix).build();
 125     }
 126
 127     static InstanceIdentifier<Extraroute> getVpnToExtrarouteIdentifier(String vrfId, String ipPrefix) {
 128         return InstanceIdentifier.builder(VpnToExtraroute.class)
 129                 .child(Vpn.class, new VpnKey(vrfId)).child(Extraroute.class,
 130                  new ExtrarouteKey(ipPrefix)).build();
 131     }
 132
 133     static Extraroute getVpnToExtraroute(String ipPrefix, String nextHop) {
 134         return new ExtrarouteBuilder().setPrefix(ipPrefix).setNexthopIp(nextHop).build();
 135     }
 136
 137     static Adjacencies
 138     getVpnInterfaceAugmentation(List<Adjacency> nextHops) {
 139         return new AdjacenciesBuilder().setAdjacency(nextHops).build();
 140     }
 141
 142     public static InstanceIdentifier<IdPool> getPoolId(String poolName){
 143         InstanceIdentifier.InstanceIdentifierBuilder<IdPool> idBuilder =
 144                         InstanceIdentifier.builder(IdPools.class).child(IdPool.class, new IdPoolKey(poolName));
 145         InstanceIdentifier<IdPool> id = idBuilder.build();
 146         return id;
 147     }
 148
 149     static InstanceIdentifier<VpnInterfaces> getVpnInterfacesIdentifier() {
 150         return InstanceIdentifier.builder(VpnInterfaces.class).build();
 151     }
 152
 153     static InstanceIdentifier<Interface> getInterfaceIdentifier(String interfaceName) {
 154         return InstanceIdentifier.builder(Interfaces.class)
 155                 .child(Interface.class, new InterfaceKey(interfaceName)).build();
 156     }
 157
 158     static InstanceIdentifier<VpnToDpnList> getVpnToDpnListIdentifier(String rd, BigInteger dpnId) {
 159         return InstanceIdentifier.builder(VpnInstanceOpData.class)
 160             .child(VpnInstanceOpDataEntry.class, new VpnInstanceOpDataEntryKey(rd))
 161             .child(VpnToDpnList.class, new VpnToDpnListKey(dpnId)).build();
 162     }
 163
 164     public static BigInteger getCookieArpFlow(int interfaceTag) {
 165         return VpnConstants.COOKIE_L3_BASE.add(new BigInteger("0110000", 16)).add(
 166             BigInteger.valueOf(interfaceTag));
 167     }
 168
 169     public static String getFlowRef(BigInteger dpnId, short tableId, int ethType, int lPortTag, int arpType) {
 170             return new StringBuffer().append(VpnConstants.FLOWID_PREFIX).append(dpnId).append(NwConstants.FLOWID_SEPARATOR)
 171                     .append(tableId).append(NwConstants.FLOWID_SEPARATOR).append(ethType).append(lPortTag)
 172                     .append(NwConstants.FLOWID_SEPARATOR).append(arpType).toString();
 173     }
 174
 175     public static int getUniqueId(IdManagerService idManager, String poolName,String idKey) {
 176         AllocateIdInput getIdInput = new AllocateIdInputBuilder()
 177                                            .setPoolName(poolName)
 178                                            .setIdKey(idKey).build();
 179
 180         try {
 181             Future<RpcResult<AllocateIdOutput>> result = idManager.allocateId(getIdInput);
 182             RpcResult<AllocateIdOutput> rpcResult = result.get();
 183             if(rpcResult.isSuccessful()) {
 184                 return rpcResult.getResult().getIdValue().intValue();
 185             } else {
 186                 LOG.warn("RPC Call to Get Unique Id returned with Errors {}", rpcResult.getErrors());
 187             }
 188         } catch (InterruptedException | ExecutionException e) {
 189             LOG.warn("Exception when getting Unique Id",e);
 190         }
 191         return 0;
 192     }
 193
 194     public static void releaseId(IdManagerService idManager, String poolName, String idKey) {
 195         ReleaseIdInput idInput = new ReleaseIdInputBuilder().setPoolName(poolName).setIdKey(idKey).build();
 196         try {
 197             Future<RpcResult<Void>> result = idManager.releaseId(idInput);
 198             RpcResult<Void> rpcResult = result.get();
 199             if(!rpcResult.isSuccessful()) {
 200                 LOG.warn("RPC Call to Get Unique Id returned with Errors {}", rpcResult.getErrors());
 201             }
 202         } catch (InterruptedException | ExecutionException e) {
 203             LOG.warn("Exception when getting Unique Id for key {}", idKey, e);
 204         }
 205     }
 206
 207     public static String getNextHopLabelKey(String rd, String prefix){
 208         String key = rd + VpnConstants.SEPARATOR + prefix;
 209         return key;
 210     }
 211
 212     public static long getVpnId(DataBroker broker, String vpnName) {
 213
 214         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance> id
 215             = getVpnInstanceToVpnIdIdentifier(vpnName);
 216         Optional<org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance> vpnInstance
 217             = read(broker, LogicalDatastoreType.CONFIGURATION, id);
 218
 219         long vpnId = VpnConstants.INVALID_ID;
 220         if(vpnInstance.isPresent()) {
 221             vpnId = vpnInstance.get().getVpnId();
 222         }
 223         return vpnId;
 224     }
 225
 226     public static String getVpnRd(DataBroker broker, String vpnName) {
 227
 228         InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance> id
 229                 = getVpnInstanceToVpnIdIdentifier(vpnName);
 230         Optional<org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance> vpnInstance
 231                 = read(broker, LogicalDatastoreType.CONFIGURATION, id);
 232
 233         String rd = null;
 234         if(vpnInstance.isPresent()) {
 235             rd = vpnInstance.get().getVrfId();
 236         }
 237         return rd;
 238     }
 239
 240     static String getVpnRdFromVpnInstanceConfig(DataBroker broker, String vpnName) {
 241         InstanceIdentifier<VpnInstance> id = InstanceIdentifier.builder(VpnInstances.class)
 242                 .child(VpnInstance.class, new VpnInstanceKey(vpnName)).build();
 243         Optional<VpnInstance> vpnInstance = VpnUtil.read(broker, LogicalDatastoreType.CONFIGURATION, id);
 244         String rd = null;
 245         if(vpnInstance.isPresent()) {
 246             VpnInstance instance = vpnInstance.get();
 247             VpnAfConfig config = instance.getIpv4Family();
 248             rd = config.getRouteDistinguisher();
 249         }
 250         return rd;
 251     }
 252
 253     static org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance
 254            getVpnInstanceToVpnId(String vpnName, long vpnId, String rd) {
 255         return new org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstanceBuilder()
 256             .setVpnId(vpnId).setVpnInstanceName(vpnName).setVrfId(rd).build();
 257
 258     }
 259
 260     static InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance>
 261            getVpnInstanceToVpnIdIdentifier(String vpnName) {
 262         return InstanceIdentifier.builder(VpnInstanceToVpnId.class)
 263             .child(org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstance.class,
 264                    new org.opendaylight.yang.gen.v1.urn.opendaylight.l3vpn.rev130911.vpn.instance.to.vpn.id.VpnInstanceKey(vpnName)).build();
 265     }
 266
 267     static InstanceIdentifier<VpnInstanceOpDataEntry> getVpnInstanceOpDataIdentifier(String rd) {
 268         return InstanceIdentifier.builder(VpnInstanceOpData.class)
 269             .child(VpnInstanceOpDataEntry.class, new VpnInstanceOpDataEntryKey(rd)).build();
 270     }
 271
 272     static VpnInstanceOpDataEntry getVpnInstanceOpDataBuilder(String rd, long vpnId) {
 273         return new VpnInstanceOpDataEntryBuilder().setVrfId(rd).setVpnId(vpnId).build();
 274     }
 275
 276     static VpnInstanceOpDataEntry updateIntfCntInVpnInstOpData(Long count, String vrfId) {
 277         return new VpnInstanceOpDataEntryBuilder().setVpnInterfaceCount(count).setVrfId(vrfId).build();
 278     }
 279
 280     static VpnInstanceOpDataEntry getVpnInstanceOpData(DataBroker broker, String rd) {
 281         InstanceIdentifier<VpnInstanceOpDataEntry> id = VpnUtil.getVpnInstanceOpDataIdentifier(rd);
 282         Optional<VpnInstanceOpDataEntry> vpnInstanceOpData = read(broker, LogicalDatastoreType.OPERATIONAL, id);
 283         if(vpnInstanceOpData.isPresent()) {
 284             return vpnInstanceOpData.get();
 285         }
 286         return null;
 287     }
 288
 289     static VpnInterface getConfiguredVpnInterface(DataBroker broker, String interfaceName) {
 290         InstanceIdentifier<VpnInterface> interfaceId = getVpnInterfaceIdentifier(interfaceName);
 291         Optional<VpnInterface> configuredVpnInterface = read(broker, LogicalDatastoreType.CONFIGURATION, interfaceId);
 292
 293         if (configuredVpnInterface.isPresent()) {
 294             return configuredVpnInterface.get();
 295         }
 296         return null;
 297     }
 298
 299     static VpnInterface getOperationalVpnInterface(DataBroker broker, String interfaceName) {
 300         InstanceIdentifier<VpnInterface> interfaceId = getVpnInterfaceIdentifier(interfaceName);
 301         Optional<VpnInterface> operationalVpnInterface = read(broker, LogicalDatastoreType.OPERATIONAL, interfaceId);
 302
 303         if (operationalVpnInterface.isPresent()) {
 304             return operationalVpnInterface.get();
 305         }
 306         return null;
 307     }
 308
 309     static boolean isVpnInterfaceConfigured(DataBroker broker, String interfaceName)
 310     {
 311         InstanceIdentifier<VpnInterface> interfaceId = getVpnInterfaceIdentifier(interfaceName);
 312         Optional<VpnInterface> configuredVpnInterface = read(broker, LogicalDatastoreType.CONFIGURATION, interfaceId);
 313
 314         if (configuredVpnInterface.isPresent()) {
 315             return true;
 316         }
 317         return false;
 318     }
 319
 320     static String getIpPrefix(String prefix) {
 321         String prefixValues[] = prefix.split("/");
 322         if (prefixValues.length == 1) {
 323             prefix = prefix + PREFIX_SEPARATOR + DEFAULT_PREFIX_LENGTH ;
 324         }
 325         return prefix;
 326     }
 327
 328     static final FutureCallback<Void> DEFAULT_CALLBACK =
 329             new FutureCallback<Void>() {
 330                 public void onSuccess(Void result) {
 331                     LOG.debug("Success in Datastore operation");
 332                 }
 333
 334                 public void onFailure(Throwable error) {
 335                     LOG.error("Error in Datastore operation", error);
 336                 };
 337             };
 338
 339     public static <T extends DataObject> Optional<T> read(DataBroker broker, LogicalDatastoreType datastoreType,
 340                                                     InstanceIdentifier<T> path) {
 341
 342         ReadOnlyTransaction tx = broker.newReadOnlyTransaction();
 343
 344         Optional<T> result = Optional.absent();
 345         try {
 346             result = tx.read(datastoreType, path).get();
 347         } catch (Exception e) {
 348             throw new RuntimeException(e);
 349         } finally {
 350             tx.close();
 351         }
 352
 353         return result;
 354     }
 355
 356     static <T extends DataObject> void asyncUpdate(DataBroker broker, LogicalDatastoreType datastoreType,
 357                                                       InstanceIdentifier<T> path, T data, FutureCallback<Void> callback) {
 358         WriteTransaction tx = broker.newWriteOnlyTransaction();
 359         tx.merge(datastoreType, path, data, true);
 360         Futures.addCallback(tx.submit(), callback);
 361     }
 362
 363     static <T extends DataObject> void asyncWrite(DataBroker broker, LogicalDatastoreType datastoreType,
 364                                                    InstanceIdentifier<T> path, T data, FutureCallback<Void> callback) {
 365         WriteTransaction tx = broker.newWriteOnlyTransaction();
 366         tx.put(datastoreType, path, data, true);
 367         Futures.addCallback(tx.submit(), callback);
 368     }
 369
 370     static <T extends DataObject> void delete(DataBroker broker, LogicalDatastoreType datastoreType,
 371                                                InstanceIdentifier<T> path, FutureCallback<Void> callback) {
 372         WriteTransaction tx = broker.newWriteOnlyTransaction();
 373         tx.delete(datastoreType, path);
 374         Futures.addCallback(tx.submit(), callback);
 375     }
 376
 377     public static <T extends DataObject> void syncWrite(DataBroker broker, LogicalDatastoreType datastoreType,
 378                     InstanceIdentifier<T> path, T data) {
 379         WriteTransaction tx = broker.newWriteOnlyTransaction();
 380         tx.put(datastoreType, path, data, true);
 381         CheckedFuture<Void, TransactionCommitFailedException> futures = tx.submit();
 382         try {
 383             futures.get();
 384         } catch (InterruptedException | ExecutionException e) {
 385             LOG.error("Error writing to datastore (path, data) : ({}, {})", path, data);
 386             throw new RuntimeException(e.getMessage());
 387         }
 388     }
 389
 390     public static <T extends DataObject> void syncUpdate(DataBroker broker, LogicalDatastoreType datastoreType,
 391                     InstanceIdentifier<T> path, T data) {
 392         WriteTransaction tx = broker.newWriteOnlyTransaction();
 393         tx.merge(datastoreType, path, data, true);
 394         CheckedFuture<Void, TransactionCommitFailedException> futures = tx.submit();
 395         try {
 396             futures.get();
 397         } catch (InterruptedException | ExecutionException e) {
 398             LOG.error("Error writing to datastore (path, data) : ({}, {})", path, data);
 399             throw new RuntimeException(e.getMessage());
 400         }
 401     }
 402
 403     public static long getRemoteBCGroup(long elanTag) {
 404         return VpnConstants.ELAN_GID_MIN + ((elanTag % VpnConstants.ELAN_GID_MIN) *2);
 405     }
 406
 407     // interface-index-tag operational container
 408     public static IfIndexInterface getInterfaceInfoByInterfaceTag(DataBroker broker, long interfaceTag) {
 409         InstanceIdentifier<IfIndexInterface> interfaceId = getInterfaceInfoEntriesOperationalDataPath(interfaceTag);
 410         Optional<IfIndexInterface> existingInterfaceInfo = VpnUtil.read(broker, LogicalDatastoreType.OPERATIONAL, interfaceId);
 411         if(existingInterfaceInfo.isPresent()) {
 412             return existingInterfaceInfo.get();
 413         }
 414         return null;
 415     }
 416
 417     private static InstanceIdentifier<IfIndexInterface> getInterfaceInfoEntriesOperationalDataPath(long interfaceTag) {
 418         return InstanceIdentifier.builder(IfIndexesInterfaceMap.class).child(IfIndexInterface.class,
 419                 new IfIndexInterfaceKey((int) interfaceTag)).build();
 420     }
 421
 422     public static String getNeutronPortNamefromPortFixedIp(DataBroker broker, String fixedIp) {
 423         InstanceIdentifier id = buildFixedIpToPortNameIdentifier(fixedIp);
 424         Optional<PortFixedipToPortName> portFixedipToPortNameData = read(broker, LogicalDatastoreType.CONFIGURATION,
 425                 id);
 426         if (portFixedipToPortNameData.isPresent()) {
 427             return portFixedipToPortNameData.get().getPortName();
 428         }
 429         return null;
 430     }
 431
 432     private static InstanceIdentifier<PortFixedipToPortName> buildFixedIpToPortNameIdentifier(String fixedIp) {
 433         InstanceIdentifier<PortFixedipToPortName> id = InstanceIdentifier.builder(NeutronPortData.class).child
 434                 (PortFixedipToPortName.class, new PortFixedipToPortNameKey(fixedIp)).build();
 435         return id;
 436     }
 437
 438     public static ElanTagName getElanInfoByElanTag(DataBroker broker,long elanTag) {
 439         InstanceIdentifier<ElanTagName> elanId = getElanInfoEntriesOperationalDataPath(elanTag);
 440         Optional<ElanTagName> existingElanInfo = VpnUtil.read(broker, LogicalDatastoreType.OPERATIONAL, elanId);
 441         if(existingElanInfo.isPresent()) {
 442             return existingElanInfo.get();
 443         }
 444         return null;
 445     }
 446
 447     private static InstanceIdentifier<ElanTagName> getElanInfoEntriesOperationalDataPath(long elanTag) {
 448         return InstanceIdentifier.builder(ElanTagNameMap.class).child(ElanTagName.class,
 449                 new ElanTagNameKey(elanTag)).build();
 450     }
 451
 452
 453     public static boolean isIpInSubnet(int ipAddress, String subnetCidr) {
 454         String[] subSplit = subnetCidr.split("/");
 455         if (subSplit.length < 2) {
 456             return false;
 457         }
 458
 459         String subnetStr = subSplit[0];
 460         int subnet = 0;
 461         try {
 462             InetAddress subnetAddress = InetAddress.getByName(subnetStr);
 463             subnet = Ints.fromByteArray(subnetAddress.getAddress());
 464         } catch (Exception ex) {
 465             LOG.error("Passed in Subnet IP string not convertible to InetAdddress " + subnetStr);
 466             return false;
 467         }
 468         int prefixLength = Integer.valueOf(subSplit[1]);
 469         int mask = -1 << (32 - prefixLength);
 470         if ((subnet & mask) == (ipAddress & mask)) {
 471             return true;
 472         }
 473         return false;
 474     }
 475
 476     public static void removePrefixToInterfaceForVpnId(DataBroker broker, long vpnId) {
 477         try {
 478             // Clean up PrefixToInterface Operational DS
 479             delete(broker, LogicalDatastoreType.OPERATIONAL,
 480                     InstanceIdentifier.builder(PrefixToInterface.class).child(VpnIds.class, new VpnIdsKey(vpnId)).build(),
 481                     DEFAULT_CALLBACK);
 482         } catch (Exception e) {
 483             LOG.error("Exception during cleanup of PrefixToInterface for VPN ID {}", vpnId, e);
 484         }
 485     }
 486
 487     public static void removeVpnExtraRouteForVpn(DataBroker broker, String vpnName) {
 488         try {
 489             // Clean up VPNExtraRoutes Operational DS
 490             delete(broker, LogicalDatastoreType.OPERATIONAL,
 491                     InstanceIdentifier.builder(VpnToExtraroute.class).child(Vpn.class, new VpnKey(vpnName)).build(),
 492                     DEFAULT_CALLBACK);
 493         } catch (Exception e) {
 494             LOG.error("Exception during cleanup of VPNToExtraRoute for VPN {}", vpnName, e);
 495         }
 496     }
 497
 498     public static void removeVpnOpInstance(DataBroker broker, String vpnName) {
 499         try {
 500             // Clean up VPNInstanceOpDataEntry
 501             delete(broker, LogicalDatastoreType.OPERATIONAL, getVpnInstanceOpDataIdentifier(vpnName),
 502                     DEFAULT_CALLBACK);
 503         } catch (Exception e) {
 504             LOG.error("Exception during cleanup of VPNInstanceOpDataEntry for VPN {}", vpnName, e);
 505         }
 506     }
 507
 508     public static void removeVpnInstanceToVpnId(DataBroker broker, String vpnName) {
 509         try {
 510             delete(broker, LogicalDatastoreType.CONFIGURATION, getVpnInstanceToVpnIdIdentifier(vpnName),
 511                     DEFAULT_CALLBACK);
 512         } catch (Exception e) {
 513             LOG.error("Exception during clean up of VpnInstanceToVpnId for VPN {}", vpnName, e);
 514         }
 515     }
 516
 517     public static void removeVrfTableForVpn(DataBroker broker, String vpnName) {
 518         // Clean up FIB Entries Config DS
 519         try {
 520             delete(broker, LogicalDatastoreType.CONFIGURATION,
 521                     InstanceIdentifier.builder(FibEntries.class).child(VrfTables.class, new VrfTablesKey(vpnName)).build(),
 522                     DEFAULT_CALLBACK);
 523         } catch (Exception e) {
 524             LOG.error("Exception during clean up of VrfTable from FIB for VPN {}", vpnName, e);
 525         }
 526     }
 527
 528     public static void removeL3nexthopForVpnId(DataBroker broker, long vpnId) {
 529         try {
 530             // Clean up L3NextHop Operational DS
 531             delete(broker, LogicalDatastoreType.OPERATIONAL,
 532                     InstanceIdentifier.builder(L3nexthop.class).child(VpnNexthops.class, new VpnNexthopsKey(vpnId)).build(),
 533                     DEFAULT_CALLBACK);
 534         } catch (Exception e) {
 535             LOG.error("Exception during cleanup of L3NextHop for VPN ID {}", vpnId, e);
 536         }
 537     }
 538 }