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.util.ArrayList;
  14 import java.util.Collections;
  15 import java.util.Iterator;
  16 import java.util.List;
  17
  18 import javax.annotation.PostConstruct;
  19 import javax.inject.Inject;
  20 import javax.inject.Singleton;
  21
  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.datastoreutils.SingleTransactionDataBroker;
  26 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  27 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  28 import org.opendaylight.netvirt.fibmanager.api.IFibManager;
  29 import org.opendaylight.netvirt.vpnmanager.api.VpnHelper;
  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.opendaylight.yangtools.yang.common.Uint32;
  38 import org.opendaylight.yangtools.yang.common.Uint64;
  39 import org.slf4j.Logger;
  40 import org.slf4j.LoggerFactory;
  41
  42 @Singleton
  43 public class VpnServiceElanDpnInterfacesListener
  44         extends AsyncDataTreeChangeListenerBase<DpnInterfaces, VpnServiceElanDpnInterfacesListener> {
  45
  46     private static final Logger LOG = LoggerFactory.getLogger(VpnServiceElanDpnInterfacesListener.class);
  47     private final DataBroker dataBroker;
  48     private final IInterfaceManager interfaceManager;
  49     private final IFibManager fibManager;
  50     private final JobCoordinator jobCoordinator;
  51     private final VpnUtil vpnUtil;
  52
  53     @Inject
  54     public VpnServiceElanDpnInterfacesListener(final DataBroker dataBroker, final IInterfaceManager interfaceManager,
  55             final IFibManager fibManager,final JobCoordinator jobCoordinator, VpnUtil vpnUtil) {
  56         this.dataBroker = dataBroker;
  57         this.interfaceManager = interfaceManager;
  58         this.fibManager = fibManager;
  59         this.jobCoordinator = jobCoordinator;
  60         this.vpnUtil = vpnUtil;
  61     }
  62
  63     @PostConstruct
  64     public void start() {
  65         registerListener(LogicalDatastoreType.OPERATIONAL, dataBroker);
  66     }
  67
  68     @Override
  69     public InstanceIdentifier<DpnInterfaces> getWildCardPath() {
  70         return InstanceIdentifier.builder(ElanDpnInterfaces.class).child(ElanDpnInterfacesList.class)
  71                 .child(DpnInterfaces.class).build();
  72     }
  73
  74     @Override
  75     protected void remove(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces dpnInterfaces) {
  76
  77     }
  78
  79     @Override
  80     protected void update(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces original,
  81             DpnInterfaces update) {
  82         LOG.info("received Dpninterfaces update event for dpn {}", update.getDpId());
  83         Uint64 dpnId = update.getDpId();
  84         String elanInstanceName = identifier.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
  85         ElanInstance elanInstance = vpnUtil.getElanInstanceByName(elanInstanceName);
  86         String vpnName = vpnUtil.getVpnNameFromElanIntanceName(elanInstanceName);
  87         if (vpnName == null) {
  88             return;
  89         }
  90         String primaryRd = vpnUtil.getPrimaryRd(vpnName);
  91         if (elanInstance != null && !elanInstance.isExternal() && VpnUtil.isVlan(elanInstance)) {
  92             jobCoordinator.enqueueJob(elanInstance.getElanInstanceName(), () -> {
  93                 List<String> addedInterfaces = getUpdatedInterfaceList(update.getInterfaces(),
  94                     original.getInterfaces());
  95                 for (String addedInterface : addedInterfaces) {
  96                     if (interfaceManager.isExternalInterface(addedInterface)) {
  97                         InstanceIdentifier<VpnToDpnList> id = VpnHelper.getVpnToDpnListIdentifier(primaryRd, dpnId);
  98                         Optional<VpnToDpnList> dpnInVpn = SingleTransactionDataBroker.syncReadOptional(dataBroker,
  99                             LogicalDatastoreType.OPERATIONAL, id);
 100                         if (!dpnInVpn.isPresent() || (dpnInVpn.get().getVpnInterfaces() != null
 101                             && dpnInVpn.get().getVpnInterfaces().size() != 1)) {
 102                             return Collections.emptyList();
 103                         }
 104                         if (!vpnUtil.shouldPopulateFibForVlan(vpnName, elanInstanceName, dpnId)) {
 105                             return Collections.emptyList();
 106                         }
 107                         Uint32 vpnId = vpnUtil.getVpnId(vpnName);
 108                         fibManager.populateFibOnNewDpn(dpnId, vpnId, primaryRd, null);
 109                         break;
 110                     }
 111                 }
 112                 List<String> deletedInterfaces = getUpdatedInterfaceList(original.getInterfaces(),
 113                     update.getInterfaces());
 114                 if (!deletedInterfaces.isEmpty()) {
 115                     String routerPortUuid = vpnUtil.getRouterPordIdFromElanInstance(elanInstanceName);
 116                     if (update.getInterfaces().size() == 2 && update.getInterfaces().contains(routerPortUuid)) {
 117                         vpnUtil.removeRouterPortFromElanForVlanInDpn(vpnName, dpnId);
 118                     }
 119                 }
 120                 return Collections.emptyList();
 121             });
 122         }
 123     }
 124
 125     @Override
 126     protected void add(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces dpnInterfaces) {
 127         Uint64 dpnId = dpnInterfaces.getDpId();
 128         String elanInstanceName = identifier.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
 129         ElanInstance elanInstance = vpnUtil.getElanInstanceByName(elanInstanceName);
 130         if (!VpnUtil.isVlan(elanInstance)) {
 131             return;
 132         }
 133         String vpnName = vpnUtil.getVpnNameFromElanIntanceName(elanInstanceName);
 134         if (vpnName == null) {
 135             return;
 136         }
 137         vpnUtil.addRouterPortToElanForVlanInDpn(vpnName, dpnId);
 138     }
 139
 140     @Override
 141     protected VpnServiceElanDpnInterfacesListener getDataTreeChangeListener() {
 142         return VpnServiceElanDpnInterfacesListener.this;
 143     }
 144
 145
 146     public static List<String> getUpdatedInterfaceList(List<String> updatedInterfaceList,
 147             List<String> currentInterfaceList) {
 148         if (updatedInterfaceList == null) {
 149             return Collections.<String>emptyList();
 150         }
 151         List<String> newInterfaceList = new ArrayList<>(updatedInterfaceList);
 152         if (currentInterfaceList == null) {
 153             return newInterfaceList;
 154         }
 155         List<String> origInterfaceList = new ArrayList<>(currentInterfaceList);
 156         for (Iterator<String> iterator = newInterfaceList.iterator(); iterator.hasNext();) {
 157             String updatedInterface = iterator.next();
 158             for (String currentInterface :origInterfaceList) {
 159                 if (updatedInterface.equals(currentInterface)) {
 160                     iterator.remove();
 161                 }
 162             }
 163         }
 164         return newInterfaceList;
 165     }
 166
 167 }