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