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 static java.util.Collections.emptyList;
  12
  13 import java.util.List;
  14 import javax.annotation.PreDestroy;
  15 import javax.inject.Inject;
  16 import javax.inject.Singleton;
  17 import org.opendaylight.genius.interfacemanager.interfaces.IInterfaceManager;
  18 import org.opendaylight.infrautils.jobcoordinator.JobCoordinator;
  19 import org.opendaylight.infrautils.utils.concurrent.Executors;
  20 import org.opendaylight.mdsal.binding.api.DataBroker;
  21 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  22 import org.opendaylight.netvirt.elan.cache.ElanInstanceCache;
  23 import org.opendaylight.netvirt.elan.utils.ElanUtils;
  24 import org.opendaylight.serviceutils.tools.listener.AbstractAsyncDataTreeChangeListener;
  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.opendaylight.yangtools.yang.common.Uint64;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 @Singleton
  35 public class ElanDpnInterfacesListener
  36         extends AbstractAsyncDataTreeChangeListener<DpnInterfaces> {
  37
  38     private static final Logger LOG = LoggerFactory.getLogger(ElanDpnInterfacesListener.class);
  39     private final DataBroker dataBroker;
  40     private final IInterfaceManager interfaceManager;
  41     private final ElanServiceProvider elanService;
  42     private final JobCoordinator jobCoordinator;
  43     private final ElanInstanceCache elanInstanceCache;
  44
  45     @Inject
  46     public ElanDpnInterfacesListener(final DataBroker dataBroker, final IInterfaceManager interfaceManager,
  47                                      final ElanServiceProvider elanService, final JobCoordinator jobCoordinator,
  48                                      final ElanInstanceCache elanInstanceCache) {
  49         super(dataBroker, LogicalDatastoreType.OPERATIONAL, InstanceIdentifier.create(ElanDpnInterfaces.class)
  50                 .child(ElanDpnInterfacesList.class).child(DpnInterfaces.class),
  51                 Executors.newListeningSingleThreadExecutor("ElanDpnInterfacesListener", LOG));
  52         this.dataBroker = dataBroker;
  53         this.interfaceManager = interfaceManager;
  54         this.elanService = elanService;
  55         this.jobCoordinator = jobCoordinator;
  56         this.elanInstanceCache = elanInstanceCache;
  57     }
  58
  59     public void start() {
  60         LOG.info("{} start", getClass().getSimpleName());
  61     }
  62
  63     @Override
  64     public void remove(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces dpnInterfaces) {
  65
  66     }
  67
  68     @Override
  69     public void update(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces original,
  70                           DpnInterfaces update) {
  71         LOG.debug("received Dpninterfaces update event for dpn {}", update.getDpId());
  72         Uint64 dpnId = update.getDpId();
  73         String elanInstanceName = identifier.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
  74         ElanInstance elanInstance = elanInstanceCache.get(elanInstanceName).orElse(null);
  75
  76         if (elanInstance != null && !elanInstance.isExternal() && ElanUtils.isVlan(elanInstance)) {
  77             List<String> interfaces = update.getInterfaces();
  78             // trigger deletion for vlan provider intf on the DPN for the vlan provider network
  79             if (interfaces != null && interfaces.size() == 1 && interfaceManager.isExternalInterface(
  80                     interfaces.get(0))) {
  81                 LOG.debug("deleting vlan prv intf for elan {}, dpn {}", elanInstanceName, dpnId);
  82                 jobCoordinator.enqueueJob(dpnId.toString(), () -> {
  83                     elanService.deleteExternalElanNetwork(elanInstance, dpnId);
  84                     return emptyList();
  85                 });
  86             }
  87         }
  88     }
  89
  90     @Override
  91     public void add(InstanceIdentifier<DpnInterfaces> identifier, DpnInterfaces dpnInterfaces) {
  92         LOG.debug("received Dpninterfaces add event for dpn {}", dpnInterfaces.getDpId());
  93         Uint64 dpnId = dpnInterfaces.getDpId();
  94         String elanInstanceName = identifier.firstKeyOf(ElanDpnInterfacesList.class).getElanInstanceName();
  95         ElanInstance elanInstance = elanInstanceCache.get(elanInstanceName).orElse(null);
  96
  97         // trigger creation of vlan provider intf for the vlan provider network
  98         // on br-int patch port for this DPN
  99         if (elanInstance != null && !elanInstance.isExternal() && ElanUtils.isVlan(elanInstance)) {
 100             jobCoordinator.enqueueJob(dpnId.toString(), () -> {
 101                 LOG.debug("creating vlan member intf for elan {}, dpn {}",
 102                         elanInstance.getPhysicalNetworkName(), dpnId);
 103                 elanService.createExternalElanNetwork(elanInstance, dpnId);
 104                 return emptyList();
 105             });
 106         }
 107     }
 108
 109     @Override
 110     @PreDestroy
 111     public void close() {
 112         super.close();
 113         Executors.shutdownAndAwaitTermination(getExecutorService());
 114     }
 115 }