elanmanager/impl/src/main/java/org/opendaylight/netvirt/elan/internal/ElanDpnInterfaceClusteredListener.java

   1 /*
   2  * Copyright (c) 2016, 2017 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 java.util.Collections;
  11 import javax.annotation.PostConstruct;
  12 import javax.inject.Inject;
  13 import javax.inject.Singleton;
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.genius.datastoreutils.AsyncClusteredDataTreeChangeListenerBase;
  17 import org.opendaylight.genius.utils.clustering.EntityOwnershipUtils;
  18 import org.opendaylight.genius.utils.hwvtep.HwvtepSouthboundConstants;
  19 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  20 import org.opendaylight.netvirt.elan.cache.ElanInstanceCache;
  21 import org.opendaylight.netvirt.elan.cache.ElanInstanceDpnsCache;
  22 import org.opendaylight.netvirt.elan.l2gw.utils.ElanL2GatewayMulticastUtils;
  23 import org.opendaylight.netvirt.elan.l2gw.utils.ElanL2GatewayUtils;
  24 import org.opendaylight.netvirt.elan.utils.ElanClusterUtils;
  25 import org.opendaylight.netvirt.elanmanager.utils.ElanL2GwCacheUtils;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanDpnInterfaces;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesList;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfaces;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  30 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 @Singleton
  35 public class ElanDpnInterfaceClusteredListener
  36         extends AsyncClusteredDataTreeChangeListenerBase<DpnInterfaces, ElanDpnInterfaceClusteredListener> {
  37
  38     private static final Logger LOG = LoggerFactory.getLogger(ElanDpnInterfaceClusteredListener.class);
  39
  40     private final DataBroker broker;
  41     private final EntityOwnershipUtils entityOwnershipUtils;
  42     private final ElanL2GatewayUtils elanL2GatewayUtils;
  43     private final ElanL2GatewayMulticastUtils elanL2GatewayMulticastUtils;
  44     private final ElanClusterUtils elanClusterUtils;
  45     private final JobCoordinator jobCoordinator;
  46     private final ElanInstanceCache elanInstanceCache;
  47     private final ElanInstanceDpnsCache elanInstanceDpnsCache;
  48
  49     @Inject
  50     public ElanDpnInterfaceClusteredListener(DataBroker broker, EntityOwnershipUtils entityOwnershipUtils,
  51                                              ElanL2GatewayUtils elanL2GatewayUtils,
  52                                              ElanClusterUtils elanClusterUtils, JobCoordinator jobCoordinator,
  53                                              ElanL2GatewayMulticastUtils elanL2GatewayMulticastUtils,
  54                                              ElanInstanceCache elanInstanceCache,
  55                                              ElanInstanceDpnsCache elanInstanceDpnsCache) {
  56         this.broker = broker;
  57         this.entityOwnershipUtils = entityOwnershipUtils;
  58         this.elanL2GatewayUtils = elanL2GatewayUtils;
  59         this.elanL2GatewayMulticastUtils = elanL2GatewayMulticastUtils;
  60         this.elanClusterUtils = elanClusterUtils;
  61         this.jobCoordinator = jobCoordinator;
  62         this.elanInstanceCache = elanInstanceCache;
  63         this.elanInstanceDpnsCache = elanInstanceDpnsCache;
  64     }
  65
  66     @PostConstruct
  67     public void init() {
  68         registerListener(LogicalDatastoreType.OPERATIONAL, this.broker);
  69     }
  70
  71     @Override
  72     public InstanceIdentifier<DpnInterfaces> getWildCardPath() {
  73         return InstanceIdentifier.builder(ElanDpnInterfaces.class).child(ElanDpnInterfacesList.class)
  74                 .child(DpnInterfaces.class).build();
  75     }
  76
  77     void handleUpdate(InstanceIdentifier<DpnInterfaces> id, DpnInterfaces dpnInterfaces) {
  78         final String elanName = getElanName(id);
  79         if (ElanL2GwCacheUtils.getInvolvedL2GwDevices(elanName).isEmpty()) {
  80             LOG.debug("dpnInterface updation, no external l2 devices to update for elan {} with Dp Id {}", elanName,
  81                     dpnInterfaces.getDpId());
  82             return;
  83         }
  84         elanClusterUtils.runOnlyInOwnerNode(elanName, "updating mcast mac upon tunnel event",
  85             () -> Collections.singletonList(
  86                 elanL2GatewayMulticastUtils.updateRemoteMcastMacOnElanL2GwDevices(elanName)));
  87     }
  88
  89     @Override
  90     protected void remove(InstanceIdentifier<DpnInterfaces> identifier, final DpnInterfaces dpnInterfaces) {
  91         // this is the last dpn interface on this elan
  92         final String elanName = getElanName(identifier);
  93         //Cache need to be updated in all cluster nodes and not only by leader node .
  94         //Hence moved out from DJC job
  95
  96         jobCoordinator.enqueueJob(elanName + ":l2gw", () -> {
  97             try {
  98                 if (entityOwnershipUtils.isEntityOwner(HwvtepSouthboundConstants.ELAN_ENTITY_TYPE,
  99                         HwvtepSouthboundConstants.ELAN_ENTITY_NAME)) {
 100                     // deleting Elan L2Gw Devices UcastLocalMacs From Dpn
 101                     elanL2GatewayUtils.deleteElanL2GwDevicesUcastLocalMacsFromDpn(elanName,
 102                             dpnInterfaces.getDpId());
 103
 104                     //Removing this dpn from cache to avoid race between this and local ucast mac listener
 105                     elanInstanceDpnsCache.remove(getElanName(identifier), dpnInterfaces);
 106
 107                     // updating remote mcast mac on l2gw devices
 108                     elanL2GatewayMulticastUtils.updateRemoteMcastMacOnElanL2GwDevices(elanName);
 109                 }
 110             } finally {
 111                 elanInstanceDpnsCache.remove(getElanName(identifier), dpnInterfaces);
 112             }
 113
 114             return null;
 115         });
 116     }
 117
 118     @Override
 119     protected void update(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces original,
 120                           final DpnInterfaces dpnInterfaces) {
 121         LOG.debug("dpninterfaces update fired new size {}", dpnInterfaces.getInterfaces().size());
 122         if (dpnInterfaces.getInterfaces().isEmpty()) {
 123             elanInstanceDpnsCache.remove(getElanName(identifier), dpnInterfaces);
 124             LOG.debug("dpninterfaces last dpn interface on this elan {} ", dpnInterfaces.getKey());
 125             // this is the last dpn interface on this elan
 126             handleUpdate(identifier, dpnInterfaces);
 127         }
 128     }
 129
 130     @Override
 131     protected void add(InstanceIdentifier<DpnInterfaces> identifier, final DpnInterfaces dpnInterfaces) {
 132         final String elanName = getElanName(identifier);
 133
 134         jobCoordinator.enqueueJob(elanName + ":l2gw", () -> {
 135             elanInstanceDpnsCache.add(getElanName(identifier), dpnInterfaces);
 136             if (entityOwnershipUtils.isEntityOwner(HwvtepSouthboundConstants.ELAN_ENTITY_TYPE,
 137                     HwvtepSouthboundConstants.ELAN_ENTITY_NAME)) {
 138                 ElanInstance elanInstance = elanInstanceCache.get(elanName).orNull();
 139                 if (elanInstance != null) {
 140                     elanL2GatewayUtils.installElanL2gwDevicesLocalMacsInDpn(
 141                             dpnInterfaces.getDpId(), elanInstance, dpnInterfaces.getInterfaces().get(0));
 142
 143                     // updating remote mcast mac on l2gw devices
 144                     elanL2GatewayMulticastUtils.updateRemoteMcastMacOnElanL2GwDevices(elanName);
 145                 }
 146             }
 147             return null;
 148         });
 149     }
 150
 151     private String getElanName(InstanceIdentifier<DpnInterfaces> identifier) {
 152         return identifier.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
 153     }
 154
 155     @Override
 156     protected ElanDpnInterfaceClusteredListener getDataTreeChangeListener() {
 157         return this;
 158     }
 159
 160 }