elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/internal/ElanLearntVpnVipToPortListener.java

   1 /*
   2  * Copyright (c) 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 package org.opendaylight.netvirt.elan.internal;
   9
  10 import static org.opendaylight.genius.infra.Datastore.CONFIGURATION;
  11 import static org.opendaylight.genius.infra.Datastore.OPERATIONAL;
  12
  13 import com.google.common.base.Optional;
  14 import com.google.common.util.concurrent.ListenableFuture;
  15
  16 import java.math.BigInteger;
  17 import java.util.ArrayList;
  18 import java.util.Collections;
  19 import java.util.List;
  20 import java.util.concurrent.Callable;
  21
  22 import java.util.concurrent.ExecutionException;
  23 import javax.annotation.PostConstruct;
  24 import javax.inject.Inject;
  25 import javax.inject.Singleton;
  26
  27 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  28 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  29 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  30 import org.opendaylight.genius.infra.Datastore.Configuration;
  31 import org.opendaylight.genius.infra.Datastore.Operational;
  32 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  33 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  34 import org.opendaylight.genius.infra.TransactionAdapter;
  35 import org.opendaylight.genius.infra.TypedReadWriteTransaction;
  36 import org.opendaylight.genius.infra.TypedWriteTransaction;
  37 import org.opendaylight.genius.interfacemanager.globals.InterfaceInfo;
  38 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  39 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  40 import org.opendaylight.netvirt.elan.cache.ElanInstanceCache;
  41 import org.opendaylight.netvirt.elan.cache.ElanInterfaceCache;
  42 import org.opendaylight.netvirt.elan.utils.ElanConstants;
  43 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  44 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.PhysAddress;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterface;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntry;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntryBuilder;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.forwarding.entries.MacEntryKey;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.LearntVpnVipToPortData;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.learnt.vpn.vip.to.port.data.LearntVpnVipToPort;
  52 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  53 import org.slf4j.Logger;
  54 import org.slf4j.LoggerFactory;
  55
  56 @Singleton
  57 public class ElanLearntVpnVipToPortListener extends
  58         AsyncDataTreeChangeListenerBase<LearntVpnVipToPort, ElanLearntVpnVipToPortListener> {
  59     private static final Logger LOG = LoggerFactory.getLogger(ElanLearntVpnVipToPortListener.class);
  60     private final DataBroker broker;
  61     private final ManagedNewTransactionRunner txRunner;
  62     private final IInterfaceManager interfaceManager;
  63     private final ElanUtils elanUtils;
  64     private final JobCoordinator jobCoordinator;
  65     private final ElanInstanceCache elanInstanceCache;
  66     private final ElanInterfaceCache elanInterfaceCache;
  67
  68     @Inject
  69     public ElanLearntVpnVipToPortListener(DataBroker broker, IInterfaceManager interfaceManager, ElanUtils elanUtils,
  70             JobCoordinator jobCoordinator, ElanInstanceCache elanInstanceCache, ElanInterfaceCache elanInterfaceCache) {
  71         super(LearntVpnVipToPort.class, ElanLearntVpnVipToPortListener.class);
  72         this.broker = broker;
  73         this.txRunner = new ManagedNewTransactionRunnerImpl(broker);
  74         this.interfaceManager = interfaceManager;
  75         this.elanUtils = elanUtils;
  76         this.jobCoordinator = jobCoordinator;
  77         this.elanInstanceCache = elanInstanceCache;
  78         this.elanInterfaceCache = elanInterfaceCache;
  79     }
  80
  81     @Override
  82     @PostConstruct
  83     public void init() {
  84         registerListener(LogicalDatastoreType.OPERATIONAL, broker);
  85     }
  86
  87     @Override
  88     protected InstanceIdentifier<LearntVpnVipToPort> getWildCardPath() {
  89         return InstanceIdentifier.create(LearntVpnVipToPortData.class).child(LearntVpnVipToPort.class);
  90     }
  91
  92     @Override
  93     protected void remove(InstanceIdentifier<LearntVpnVipToPort> key, LearntVpnVipToPort dataObjectModification) {
  94         String macAddress = dataObjectModification.getMacAddress();
  95         String interfaceName = dataObjectModification.getPortName();
  96         LOG.trace("Removing mac address {} from interface {} ", macAddress, interfaceName);
  97         jobCoordinator.enqueueJob(buildJobKey(macAddress, interfaceName),
  98                 new StaticMacRemoveWorker(macAddress, interfaceName));
  99     }
 100
 101     @Override
 102     protected void update(InstanceIdentifier<LearntVpnVipToPort> key, LearntVpnVipToPort dataObjectModificationBefore,
 103             LearntVpnVipToPort dataObjectModificationAfter) {
 104     }
 105
 106     @Override
 107     protected void add(InstanceIdentifier<LearntVpnVipToPort> key, LearntVpnVipToPort dataObjectModification) {
 108         String macAddress = dataObjectModification.getMacAddress();
 109         String interfaceName = dataObjectModification.getPortName();
 110         LOG.trace("Adding mac address {} to interface {} ", macAddress, interfaceName);
 111         jobCoordinator.enqueueJob(buildJobKey(macAddress, interfaceName),
 112                 new StaticMacAddWorker(macAddress, interfaceName));
 113     }
 114
 115     @Override
 116     protected ElanLearntVpnVipToPortListener getDataTreeChangeListener() {
 117         return this;
 118     }
 119
 120     private class StaticMacAddWorker implements Callable<List<ListenableFuture<Void>>> {
 121         String macAddress;
 122         String interfaceName;
 123
 124         StaticMacAddWorker(String macAddress, String interfaceName) {
 125             this.macAddress = macAddress;
 126             this.interfaceName = interfaceName;
 127         }
 128
 129         @Override
 130         public List<ListenableFuture<Void>> call() {
 131             Optional<ElanInterface> elanInterface = elanInterfaceCache.get(interfaceName);
 132             if (!elanInterface.isPresent()) {
 133                 LOG.debug("ElanInterface Not present for interfaceName {} for add event", interfaceName);
 134                 return Collections.emptyList();
 135             }
 136             List<ListenableFuture<Void>> futures = new ArrayList<>();
 137             futures.add(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, interfaceTx ->
 138                 futures.add(txRunner.callWithNewWriteOnlyTransactionAndSubmit(CONFIGURATION, flowTx ->
 139                     addMacEntryToDsAndSetupFlows(elanInterface.get().getElanInstanceName(), interfaceTx,
 140                             flowTx, ElanConstants.STATIC_MAC_TIMEOUT)))));
 141             return futures;
 142         }
 143
 144         private void addMacEntryToDsAndSetupFlows(String elanName, TypedWriteTransaction<Operational> interfaceTx,
 145                 TypedWriteTransaction<Configuration> flowTx, int macTimeOut) {
 146             LOG.trace("Adding mac address {} and interface name {} to ElanInterfaceForwardingEntries and "
 147                 + "ElanForwardingTables DS", macAddress, interfaceName);
 148             BigInteger timeStamp = new BigInteger(String.valueOf(System.currentTimeMillis()));
 149             PhysAddress physAddress = new PhysAddress(macAddress);
 150             MacEntry macEntry = new MacEntryBuilder().setInterface(interfaceName).setMacAddress(physAddress)
 151                     .withKey(new MacEntryKey(physAddress)).setControllerLearnedForwardingEntryTimestamp(timeStamp)
 152                     .setIsStaticAddress(false).build();
 153             InstanceIdentifier<MacEntry> macEntryId = ElanUtils
 154                     .getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, physAddress);
 155             interfaceTx.put(macEntryId, macEntry);
 156             InstanceIdentifier<MacEntry> elanMacEntryId =
 157                     ElanUtils.getMacEntryOperationalDataPath(elanName, physAddress);
 158             interfaceTx.put(elanMacEntryId, macEntry);
 159             ElanInstance elanInstance = elanInstanceCache.get(elanName).orNull();
 160             elanUtils.setupMacFlows(elanInstance, interfaceManager.getInterfaceInfo(interfaceName), macTimeOut,
 161                     macAddress, true, TransactionAdapter.toWriteTransaction(flowTx));
 162         }
 163     }
 164
 165     private class StaticMacRemoveWorker implements Callable<List<ListenableFuture<Void>>> {
 166         String macAddress;
 167         String interfaceName;
 168
 169         StaticMacRemoveWorker(String macAddress, String interfaceName) {
 170             this.macAddress = macAddress;
 171             this.interfaceName = interfaceName;
 172         }
 173
 174         @Override
 175         public List<ListenableFuture<Void>> call() {
 176             Optional<ElanInterface> elanInterface = elanInterfaceCache.get(interfaceName);
 177             if (!elanInterface.isPresent()) {
 178                 LOG.debug("ElanInterface Not present for interfaceName {} for delete event", interfaceName);
 179                 return Collections.emptyList();
 180             }
 181             List<ListenableFuture<Void>> futures = new ArrayList<>();
 182             futures.add(txRunner.callWithNewWriteOnlyTransactionAndSubmit(OPERATIONAL, interfaceTx ->
 183                 futures.add(txRunner.callWithNewReadWriteTransactionAndSubmit(CONFIGURATION, flowTx ->
 184                     deleteMacEntryFromDsAndRemoveFlows(elanInterface.get().getElanInstanceName(),
 185                             interfaceTx, flowTx)))));
 186             return futures;
 187         }
 188
 189         private void deleteMacEntryFromDsAndRemoveFlows(String elanName,
 190                 TypedWriteTransaction<Operational> interfaceTx, TypedReadWriteTransaction<Configuration> flowTx)
 191                 throws ExecutionException, InterruptedException {
 192             LOG.trace("Deleting mac address {} and interface name {} from ElanInterfaceForwardingEntries "
 193                     + "and ElanForwardingTables DS", macAddress, interfaceName);
 194             PhysAddress physAddress = new PhysAddress(macAddress);
 195             MacEntry macEntry = elanUtils.getInterfaceMacEntriesOperationalDataPath(interfaceName, physAddress);
 196             InterfaceInfo interfaceInfo = interfaceManager.getInterfaceInfo(interfaceName);
 197             if (macEntry != null && interfaceInfo != null) {
 198                 elanUtils.deleteMacFlows(elanInstanceCache.get(elanName).orNull(), interfaceInfo, macEntry, flowTx);
 199                 interfaceTx.delete(
 200                         ElanUtils.getInterfaceMacEntriesIdentifierOperationalDataPath(interfaceName, physAddress));
 201                 interfaceTx.delete(
 202                         ElanUtils.getMacEntryOperationalDataPath(elanName, physAddress));
 203             }
 204         }
 205     }
 206
 207     private String buildJobKey(String mac, String interfaceName) {
 208         return "ENTERPRISEMACJOB" + mac + interfaceName;
 209     }
 210
 211
 212 }