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 static java.util.Collections.emptyList;
  11
  12 import java.util.List;
  13 import javax.annotation.PostConstruct;
  14 import javax.inject.Inject;
  15 import javax.inject.Singleton;
  16 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.genius.datastoreutils.AsyncClusteredDataTreeChangeListenerBase;
  19 import org.opendaylight.genius.utils.clustering.EntityOwnershipUtils;
  20 import org.opendaylight.genius.utils.hwvtep.HwvtepSouthboundConstants;
  21 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  22 import org.opendaylight.netvirt.elan.cache.ElanInstanceCache;
  23 import org.opendaylight.netvirt.elan.cache.ElanInstanceDpnsCache;
  24 import org.opendaylight.netvirt.elan.l2gw.utils.ElanL2GatewayMulticastUtils;
  25 import org.opendaylight.netvirt.elan.l2gw.utils.ElanL2GatewayUtils;
  26 import org.opendaylight.netvirt.elan.utils.ElanClusterUtils;
  27 import org.opendaylight.netvirt.elanmanager.utils.ElanL2GwCacheUtils;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanDpnInterfaces;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesList;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfaces;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  32 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  33 import org.slf4j.Logger;
  34 import org.slf4j.LoggerFactory;
  35
  36 @Singleton
  37 public class ElanDpnInterfaceClusteredListener
  38         extends AsyncClusteredDataTreeChangeListenerBase<DpnInterfaces, ElanDpnInterfaceClusteredListener> {
  39
  40     private static final Logger LOG = LoggerFactory.getLogger(ElanDpnInterfaceClusteredListener.class);
  41
  42     private final DataBroker broker;
  43     private final EntityOwnershipUtils entityOwnershipUtils;
  44     private final ElanL2GatewayUtils elanL2GatewayUtils;
  45     private final ElanL2GatewayMulticastUtils elanL2GatewayMulticastUtils;
  46     private final ElanClusterUtils elanClusterUtils;
  47     private final JobCoordinator jobCoordinator;
  48     private final ElanInstanceCache elanInstanceCache;
  49     private final ElanInstanceDpnsCache elanInstanceDpnsCache;
  50
  51     @Inject
  52     public ElanDpnInterfaceClusteredListener(DataBroker broker, EntityOwnershipUtils entityOwnershipUtils,
  53                                              ElanL2GatewayUtils elanL2GatewayUtils,
  54                                              ElanClusterUtils elanClusterUtils, JobCoordinator jobCoordinator,
  55                                              ElanL2GatewayMulticastUtils elanL2GatewayMulticastUtils,
  56                                              ElanInstanceCache elanInstanceCache,
  57                                              ElanInstanceDpnsCache elanInstanceDpnsCache) {
  58         this.broker = broker;
  59         this.entityOwnershipUtils = entityOwnershipUtils;
  60         this.elanL2GatewayUtils = elanL2GatewayUtils;
  61         this.elanL2GatewayMulticastUtils = elanL2GatewayMulticastUtils;
  62         this.elanClusterUtils = elanClusterUtils;
  63         this.jobCoordinator = jobCoordinator;
  64         this.elanInstanceCache = elanInstanceCache;
  65         this.elanInstanceDpnsCache = elanInstanceDpnsCache;
  66     }
  67
  68     @PostConstruct
  69     public void init() {
  70         registerListener(LogicalDatastoreType.OPERATIONAL, this.broker);
  71     }
  72
  73     @Override
  74     public InstanceIdentifier<DpnInterfaces> getWildCardPath() {
  75         return InstanceIdentifier.builder(ElanDpnInterfaces.class).child(ElanDpnInterfacesList.class)
  76                 .child(DpnInterfaces.class).build();
  77     }
  78
  79     void handleUpdate(InstanceIdentifier<DpnInterfaces> id, DpnInterfaces dpnInterfaces) {
  80         final String elanName = getElanName(id);
  81         if (ElanL2GwCacheUtils.getInvolvedL2GwDevices(elanName).isEmpty()) {
  82             LOG.debug("dpnInterface updation, no external l2 devices to update for elan {} with Dp Id {}", elanName,
  83                     dpnInterfaces.getDpId());
  84             return;
  85         }
  86         elanClusterUtils.runOnlyInOwnerNode(elanName, "updating mcast mac upon tunnel event",
  87             () -> {
  88                 elanL2GatewayMulticastUtils.updateRemoteMcastMacOnElanL2GwDevices(elanName);
  89                 return emptyList();
  90             });
  91     }
  92
  93     @Override
  94     protected void remove(InstanceIdentifier<DpnInterfaces> identifier, final DpnInterfaces dpnInterfaces) {
  95         // this is the last dpn interface on this elan
  96         final String elanName = getElanName(identifier);
  97         //Cache need to be updated in all cluster nodes and not only by leader node .
  98         //Hence moved out from DJC job
  99
 100         jobCoordinator.enqueueJob(elanName + ":l2gw", () -> {
 101             try {
 102                 if (entityOwnershipUtils.isEntityOwner(HwvtepSouthboundConstants.ELAN_ENTITY_TYPE,
 103                         HwvtepSouthboundConstants.ELAN_ENTITY_NAME)) {
 104                     // deleting Elan L2Gw Devices UcastLocalMacs From Dpn
 105                     elanL2GatewayUtils.deleteElanL2GwDevicesUcastLocalMacsFromDpn(elanName,
 106                             dpnInterfaces.getDpId());
 107
 108                     //Removing this dpn from cache to avoid race between this and local ucast mac listener
 109                     elanInstanceDpnsCache.remove(getElanName(identifier), dpnInterfaces);
 110
 111                     // updating remote mcast mac on l2gw devices
 112                     elanL2GatewayMulticastUtils.updateRemoteMcastMacOnElanL2GwDevices(elanName);
 113                 }
 114             } finally {
 115                 elanInstanceDpnsCache.remove(getElanName(identifier), dpnInterfaces);
 116             }
 117
 118             return null;
 119         });
 120     }
 121
 122     @Override
 123     protected void update(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces original,
 124                           final DpnInterfaces dpnInterfaces) {
 125         List<String> interfaces = dpnInterfaces.getInterfaces();
 126         if (interfaces != null && !interfaces.isEmpty()) {
 127             LOG.debug("dpninterfaces update fired new size {}", interfaces.size());
 128             elanInstanceDpnsCache.remove(getElanName(identifier), dpnInterfaces);
 129             LOG.debug("dpninterfaces last dpn interface on this elan {} ", dpnInterfaces.key());
 130             // this is the last dpn interface on this elan
 131             handleUpdate(identifier, dpnInterfaces);
 132         }
 133     }
 134
 135     @Override
 136     protected void add(InstanceIdentifier<DpnInterfaces> identifier, final DpnInterfaces dpnInterfaces) {
 137         final String elanName = getElanName(identifier);
 138
 139         jobCoordinator.enqueueJob(elanName + ":l2gw", () -> {
 140             elanInstanceDpnsCache.add(getElanName(identifier), dpnInterfaces);
 141             if (entityOwnershipUtils.isEntityOwner(HwvtepSouthboundConstants.ELAN_ENTITY_TYPE,
 142                     HwvtepSouthboundConstants.ELAN_ENTITY_NAME)) {
 143                 ElanInstance elanInstance = elanInstanceCache.get(elanName).orNull();
 144                 if (elanInstance != null) {
 145                     elanL2GatewayUtils.installElanL2gwDevicesLocalMacsInDpn(
 146                             dpnInterfaces.getDpId(), elanInstance, dpnInterfaces.getInterfaces().get(0));
 147
 148                     // updating remote mcast mac on l2gw devices
 149                     elanL2GatewayMulticastUtils.updateRemoteMcastMacOnElanL2GwDevices(elanName);
 150                 }
 151             }
 152             return emptyList();
 153         });
 154     }
 155
 156     private String getElanName(InstanceIdentifier<DpnInterfaces> identifier) {
 157         return identifier.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
 158     }
 159
 160     @Override
 161     protected ElanDpnInterfaceClusteredListener getDataTreeChangeListener() {
 162         return this;
 163     }
 164
 165 }