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