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