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

   1 /*
   2  * Copyright (c) 2017 Ericsson 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.elan.internal;
  10
  11 import java.math.BigInteger;
  12 import java.util.Collections;
  13 import java.util.List;
  14 import javax.annotation.PostConstruct;
  15 import javax.inject.Inject;
  16 import javax.inject.Singleton;
  17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  18 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  19 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  20 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  21 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  22 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.ElanDpnInterfaces;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.ElanDpnInterfacesList;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.dpn.interfaces.elan.dpn.interfaces.list.DpnInterfaces;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.elan.rev150602.elan.instances.ElanInstance;
  27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 @Singleton
  32 public class ElanDpnInterfacesListener
  33         extends AsyncDataTreeChangeListenerBase<DpnInterfaces, ElanDpnInterfacesListener> {
  34
  35     private static final Logger LOG = LoggerFactory.getLogger(ElanDpnInterfacesListener.class);
  36     private final DataBroker dataBroker;
  37     private final IInterfaceManager interfaceManager;
  38     private final ElanServiceProvider elanService;
  39     private final JobCoordinator jobCoordinator;
  40
  41     @Inject
  42     public ElanDpnInterfacesListener(final DataBroker dataBroker, final IInterfaceManager interfaceManager,
  43                                      final ElanServiceProvider elanService, final JobCoordinator jobCoordinator) {
  44         this.dataBroker = dataBroker;
  45         this.interfaceManager = interfaceManager;
  46         this.elanService = elanService;
  47         this.jobCoordinator = jobCoordinator;
  48     }
  49
  50     @PostConstruct
  51     public void start() {
  52         registerListener(LogicalDatastoreType.OPERATIONAL, dataBroker);
  53     }
  54
  55     @Override
  56     public InstanceIdentifier<DpnInterfaces> getWildCardPath() {
  57         return InstanceIdentifier.builder(ElanDpnInterfaces.class).child(ElanDpnInterfacesList.class)
  58                 .child(DpnInterfaces.class).build();
  59     }
  60
  61     @Override
  62     protected void remove(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces dpnInterfaces) {
  63
  64     }
  65
  66     @Override
  67     protected void update(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces original,
  68                           DpnInterfaces update) {
  69         LOG.debug("received Dpninterfaces update event for dpn {}", update.getDpId());
  70         BigInteger dpnId = update.getDpId();
  71         String elanInstanceName = identifier.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
  72         ElanInstance elanInstance = ElanUtils.getElanInstanceByName(dataBroker, elanInstanceName);
  73
  74         if (elanInstance != null && !elanInstance.isExternal() && ElanUtils.isVlan(elanInstance)) {
  75             List<String> interfaces = update.getInterfaces();
  76             // trigger deletion for vlan provider intf on the DPN for the vlan provider network
  77             if (interfaces.size() == 1 && interfaceManager.isExternalInterface(interfaces.get(0))) {
  78                 LOG.debug("deleting vlan prv intf for elan {}, dpn {}", elanInstanceName, dpnId);
  79                 jobCoordinator.enqueueJob(dpnId.toString(), () -> {
  80                     elanService.deleteExternalElanNetwork(elanInstance, dpnId);
  81                     return Collections.emptyList();
  82                 });
  83             }
  84         }
  85     }
  86
  87     @Override
  88     protected void add(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces dpnInterfaces) {
  89         LOG.debug("received Dpninterfaces add event for dpn {}", dpnInterfaces.getDpId());
  90         BigInteger dpnId = dpnInterfaces.getDpId();
  91         String elanInstanceName = identifier.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
  92         ElanInstance elanInstance = ElanUtils.getElanInstanceByName(dataBroker, elanInstanceName);
  93
  94         // trigger creation of vlan provider intf for the vlan provider network
  95         // on br-int patch port for this DPN
  96         if (elanInstance != null && !elanInstance.isExternal() && ElanUtils.isVlan(elanInstance)) {
  97             jobCoordinator.enqueueJob(dpnId.toString(), () -> {
  98                 LOG.debug("creating vlan member intf for elan {}, dpn {}",
  99                         elanInstance.getPhysicalNetworkName(), dpnId);
 100                 elanService.createExternalElanNetwork(elanInstance, dpnId);
 101                 return Collections.emptyList();
 102             });
 103         }
 104     }
 105
 106     @Override
 107     protected ElanDpnInterfacesListener getDataTreeChangeListener() {
 108         return ElanDpnInterfacesListener.this;
 109     }
 110 }