vpnmanager/impl/src/main/java/org/opendaylight/netvirt/vpnmanager/VpnServiceElanDpnInterfacesListener.java

   1 /*
   2  * Copyright (c) 2018 Redhat 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 package org.opendaylight.netvirt.vpnmanager;
  10
  11 import com.google.common.base.Optional;
  12
  13 import java.math.BigInteger;
  14 import java.util.ArrayList;
  15 import java.util.Collections;
  16 import java.util.Iterator;
  17 import java.util.List;
  18
  19 import javax.annotation.PostConstruct;
  20 import javax.inject.Inject;
  21 import javax.inject.Singleton;
  22 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  23 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  24 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  25 import org.opendaylight.genius.infra.ManagedNewTransactionRunner;
  26 import org.opendaylight.genius.infra.ManagedNewTransactionRunnerImpl;
  27 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  28 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  29 import org.opendaylight.netvirt.fibmanager.api.IFibManager;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanDpnInterfaces;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesList;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfaces;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.vpn.instance.op.data.entry.VpnToDpnList;
  35 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  36
  37 import org.slf4j.Logger;
  38 import org.slf4j.LoggerFactory;
  39
  40 @Singleton
  41 public class VpnServiceElanDpnInterfacesListener
  42         extends AsyncDataTreeChangeListenerBase<DpnInterfaces, VpnServiceElanDpnInterfacesListener> {
  43
  44     private static final Logger LOG = LoggerFactory.getLogger(VpnServiceElanDpnInterfacesListener.class);
  45     private final DataBroker dataBroker;
  46     private final IInterfaceManager interfaceManager;
  47     private final IFibManager fibManager;
  48     private final JobCoordinator jobCoordinator;
  49     private final ManagedNewTransactionRunner txRunner;
  50
  51     @Inject
  52     public VpnServiceElanDpnInterfacesListener(final DataBroker dataBroker, final IInterfaceManager interfaceManager,
  53             final IFibManager fibManager,final JobCoordinator jobCoordinator) {
  54         this.dataBroker = dataBroker;
  55         this.interfaceManager = interfaceManager;
  56         this.fibManager = fibManager;
  57         this.jobCoordinator = jobCoordinator;
  58         this.txRunner = new ManagedNewTransactionRunnerImpl(dataBroker);
  59     }
  60
  61     @PostConstruct
  62     public void start() {
  63         registerListener(LogicalDatastoreType.OPERATIONAL, dataBroker);
  64     }
  65
  66     @Override
  67     public InstanceIdentifier<DpnInterfaces> getWildCardPath() {
  68         return InstanceIdentifier.builder(ElanDpnInterfaces.class).child(ElanDpnInterfacesList.class)
  69                 .child(DpnInterfaces.class).build();
  70     }
  71
  72     @Override
  73     protected void remove(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces dpnInterfaces) {
  74
  75     }
  76
  77     @Override
  78     protected void update(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces original,
  79             DpnInterfaces update) {
  80         LOG.info("received Dpninterfaces update event for dpn {}", update.getDpId());
  81         BigInteger dpnId = update.getDpId();
  82         String elanInstanceName = identifier.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
  83         ElanInstance elanInstance = VpnUtil.getElanInstanceByName(dataBroker, elanInstanceName);
  84         String vpnName = VpnUtil.getVpnNameFromElanIntanceName(dataBroker,elanInstanceName);
  85         if (vpnName == null) {
  86             return;
  87         }
  88         String primaryRd = VpnUtil.getPrimaryRd(dataBroker, vpnName);
  89         if (elanInstance != null && !elanInstance.isExternal() && VpnUtil.isVlan(elanInstance)) {
  90             jobCoordinator.enqueueJob(elanInstance.getElanInstanceName(), () -> {
  91                 return Collections.singletonList(txRunner.callWithNewWriteOnlyTransactionAndSubmit(writeConfigTxn -> {
  92                     List<String> addedInterfaces = getUpdatedInterfaceList(update.getInterfaces(),
  93                             original.getInterfaces());
  94                     for (String addedInterface: addedInterfaces) {
  95                         if (interfaceManager.isExternalInterface(addedInterface)) {
  96
  97                             InstanceIdentifier<VpnToDpnList> id = VpnUtil.getVpnToDpnListIdentifier(primaryRd, dpnId);
  98                             Optional<VpnToDpnList> dpnInVpn = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL,
  99                                     id);
 100                             if (!dpnInVpn.isPresent() || (dpnInVpn.get().getVpnInterfaces() != null
 101                                     && dpnInVpn.get().getVpnInterfaces().size() != 1)) {
 102                                 return;
 103                             }
 104                             if (!VpnUtil.shouldPopulateFibForVlan(dataBroker, vpnName, elanInstanceName,
 105                                     dpnId, interfaceManager)) {
 106                                 return;
 107                             }
 108                             long vpnId = VpnUtil.getVpnId(dataBroker, vpnName);
 109                             fibManager.populateFibOnNewDpn(dpnId, vpnId, primaryRd, null);
 110                             break;
 111                         }
 112                     }
 113                     List<String> deletedInterfaces = getUpdatedInterfaceList(original.getInterfaces(),
 114                             update.getInterfaces());
 115                     if (!deletedInterfaces.isEmpty()) {
 116                         String routerPortUuid = VpnUtil.getRouterPordIdFromElanInstance(dataBroker, elanInstanceName);
 117                         if (update.getInterfaces().size() == 2 && update.getInterfaces().contains(routerPortUuid)) {
 118                             VpnUtil.removeRouterPortFromElanForVlanInDpn(vpnName, dpnId, dataBroker);
 119                         }
 120                     }
 121                 }));
 122             });
 123         }
 124
 125     }
 126
 127     @Override
 128     protected void add(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces dpnInterfaces) {
 129         BigInteger dpnId = dpnInterfaces.getDpId();
 130         String elanInstanceName = identifier.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
 131         ElanInstance elanInstance = VpnUtil.getElanInstanceByName(dataBroker, elanInstanceName);
 132         if (!VpnUtil.isVlan(elanInstance)) {
 133             return;
 134         }
 135         String vpnName = VpnUtil.getVpnNameFromElanIntanceName(dataBroker,elanInstanceName);
 136         if (vpnName == null) {
 137             return;
 138         }
 139         VpnUtil.addRouterPortToElanForVlanInDpn(vpnName, dpnId, dataBroker);
 140     }
 141
 142     @Override
 143     protected VpnServiceElanDpnInterfacesListener getDataTreeChangeListener() {
 144         return VpnServiceElanDpnInterfacesListener.this;
 145     }
 146
 147
 148     public static List<String> getUpdatedInterfaceList(List<String> updatedInterfaceList,
 149             List<String> currentInterfaceList) {
 150         if (updatedInterfaceList == null) {
 151             return Collections.<String>emptyList();
 152         }
 153         List<String> newInterfaceList = new ArrayList<>(updatedInterfaceList);
 154         if (currentInterfaceList == null) {
 155             return newInterfaceList;
 156         }
 157         List<String> origInterfaceList = new ArrayList<>(currentInterfaceList);
 158         for (Iterator<String> iterator = newInterfaceList.iterator(); iterator.hasNext();) {
 159             String updatedInterface = iterator.next();
 160             for (String currentInterface :origInterfaceList) {
 161                 if (updatedInterface.equals(currentInterface)) {
 162                     iterator.remove();
 163                 }
 164             }
 165         }
 166         return newInterfaceList;
 167     }
 168
 169 }