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