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