vpnservice/elanmanager/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.util.ArrayList;
  12 import java.util.Collections;
  13 import java.util.List;
  14 import java.util.concurrent.Callable;
  15 import javax.annotation.PostConstruct;
  16 import javax.inject.Inject;
  17 import javax.inject.Singleton;
  18 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  19 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  20 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  21 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  22 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  23 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  24 import org.opendaylight.netvirt.elan.utils.ElanConstants;
  25 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.interfaces.ElanInterface;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.LearntVpnVipToPortData;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.learnt.vpn.vip.to.port.data.LearntVpnVipToPort;
  29 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 @Singleton
  34 public class ElanLearntVpnVipToPortListener extends
  35         AsyncDataTreeChangeListenerBase<LearntVpnVipToPort, ElanLearntVpnVipToPortListener> {
  36     private static final Logger LOG = LoggerFactory.getLogger(ElanLearntVpnVipToPortListener.class);
  37     private final DataBroker broker;
  38     private final IInterfaceManager interfaceManager;
  39     private final ElanUtils elanUtils;
  40     private final JobCoordinator jobCoordinator;
  41
  42     @Inject
  43     public ElanLearntVpnVipToPortListener(DataBroker broker, IInterfaceManager interfaceManager, ElanUtils elanUtils,
  44             JobCoordinator jobCoordinator) {
  45         super(LearntVpnVipToPort.class, ElanLearntVpnVipToPortListener.class);
  46         this.broker = broker;
  47         this.interfaceManager = interfaceManager;
  48         this.elanUtils = elanUtils;
  49         this.jobCoordinator = jobCoordinator;
  50     }
  51
  52     @Override
  53     @PostConstruct
  54     public void init() {
  55         registerListener(LogicalDatastoreType.OPERATIONAL, broker);
  56     }
  57
  58     @Override
  59     protected InstanceIdentifier<LearntVpnVipToPort> getWildCardPath() {
  60         return InstanceIdentifier.create(LearntVpnVipToPortData.class).child(LearntVpnVipToPort.class);
  61     }
  62
  63     @Override
  64     protected void remove(InstanceIdentifier<LearntVpnVipToPort> key, LearntVpnVipToPort dataObjectModification) {
  65         String macAddress = dataObjectModification.getMacAddress();
  66         String interfaceName = dataObjectModification.getPortName();
  67         LOG.trace("Removing mac address {} from interface {} ", macAddress, interfaceName);
  68         jobCoordinator.enqueueJob(buildJobKey(macAddress, interfaceName),
  69                 new StaticMacRemoveWorker(macAddress, interfaceName));
  70     }
  71
  72     @Override
  73     protected void update(InstanceIdentifier<LearntVpnVipToPort> key, LearntVpnVipToPort dataObjectModificationBefore,
  74             LearntVpnVipToPort dataObjectModificationAfter) {
  75     }
  76
  77     @Override
  78     protected void add(InstanceIdentifier<LearntVpnVipToPort> key, LearntVpnVipToPort dataObjectModification) {
  79         String macAddress = dataObjectModification.getMacAddress();
  80         String interfaceName = dataObjectModification.getPortName();
  81         LOG.trace("Adding mac address {} to interface {} ", macAddress, interfaceName);
  82         jobCoordinator.enqueueJob(buildJobKey(macAddress, interfaceName),
  83                 new StaticMacAddWorker(macAddress, interfaceName));
  84     }
  85
  86     @Override
  87     protected ElanLearntVpnVipToPortListener getDataTreeChangeListener() {
  88         return this;
  89     }
  90
  91     private class StaticMacAddWorker implements Callable<List<ListenableFuture<Void>>> {
  92         String macAddress;
  93         String interfaceName;
  94
  95         StaticMacAddWorker(String macAddress, String interfaceName) {
  96             this.macAddress = macAddress;
  97             this.interfaceName = interfaceName;
  98         }
  99
 100         @Override
 101         public List<ListenableFuture<Void>> call() throws Exception {
 102             ElanInterface elanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(broker, interfaceName);
 103             if (elanInterface == null) {
 104                 LOG.debug("ElanInterface Not present for interfaceName {} for add event", interfaceName);
 105                 return Collections.emptyList();
 106             }
 107             WriteTransaction interfaceTx = broker.newWriteOnlyTransaction();
 108             WriteTransaction flowTx = broker.newWriteOnlyTransaction();
 109             elanUtils.addMacEntryToDsAndSetupFlows(interfaceName, macAddress,
 110                     elanInterface.getElanInstanceName(), interfaceTx, flowTx, ElanConstants.STATIC_MAC_TIMEOUT);
 111             List<ListenableFuture<Void>> futures = new ArrayList<>();
 112             futures.add(interfaceTx.submit());
 113             futures.add(flowTx.submit());
 114             return futures;
 115         }
 116     }
 117
 118     private class StaticMacRemoveWorker implements Callable<List<ListenableFuture<Void>>> {
 119         String macAddress;
 120         String interfaceName;
 121
 122         StaticMacRemoveWorker(String macAddress, String interfaceName) {
 123             this.macAddress = macAddress;
 124             this.interfaceName = interfaceName;
 125         }
 126
 127         @Override
 128         public List<ListenableFuture<Void>> call() throws Exception {
 129             ElanInterface elanInterface = ElanUtils.getElanInterfaceByElanInterfaceName(broker, interfaceName);
 130             if (elanInterface == null) {
 131                 LOG.debug("ElanInterface Not present for interfaceName {} for delete event", interfaceName);
 132                 return Collections.emptyList();
 133             }
 134             WriteTransaction interfaceTx = broker.newWriteOnlyTransaction();
 135             WriteTransaction flowTx = broker.newWriteOnlyTransaction();
 136             elanUtils.deleteMacEntryFromDsAndRemoveFlows(interfaceName, macAddress,
 137                     elanInterface.getElanInstanceName(), interfaceTx, flowTx);
 138             List<ListenableFuture<Void>> futures = new ArrayList<>();
 139             futures.add(interfaceTx.submit());
 140             futures.add(flowTx.submit());
 141             return futures;
 142         }
 143     }
 144
 145     private String buildJobKey(String mac, String interfaceName) {
 146         return "ENTERPRISEMACJOB" + mac + interfaceName;
 147     }
 148
 149
 150 }