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