bgpmanager/impl/src/main/java/org/opendaylight/netvirt/bgpmanager/EvpnRdNetworkListener.java

   1 /*
   2  * Copyright © 2015, 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
   9 package org.opendaylight.netvirt.bgpmanager;
  10
  11 import javax.annotation.PostConstruct;
  12 import javax.annotation.PreDestroy;
  13 import org.opendaylight.infrautils.utils.concurrent.Executors;
  14 import org.opendaylight.mdsal.binding.api.ClusteredDataTreeChangeListener;
  15 import org.opendaylight.mdsal.binding.api.DataBroker;
  16 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  17 import org.opendaylight.serviceutils.tools.listener.AbstractAsyncDataTreeChangeListener;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.EvpnRdToNetworks;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.evpn.rd.to.networks.EvpnRdToNetwork;
  21 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25
  26 public class EvpnRdNetworkListener extends AbstractAsyncDataTreeChangeListener<EvpnRdToNetwork>
  27         implements ClusteredDataTreeChangeListener<EvpnRdToNetwork> {
  28     private static final Logger LOG = LoggerFactory.getLogger(EvpnRdNetworkListener.class);
  29
  30     private final DataBroker broker;
  31     private final BgpConfigurationManager bgpConfigManager;
  32     private final BgpUtil bgpUtil;
  33
  34     public EvpnRdNetworkListener(DataBroker dataBroker, BgpConfigurationManager bgpConfigManager, BgpUtil bgpUtil,
  35             final IdManagerService idManager) {
  36         super(dataBroker, LogicalDatastoreType.CONFIGURATION, InstanceIdentifier.create(EvpnRdToNetworks.class)
  37                 .child(EvpnRdToNetwork.class),
  38                 Executors.newListeningSingleThreadExecutor("EvpnRdNetworkListener", LOG));
  39         this.broker = dataBroker;
  40         this.bgpConfigManager = bgpConfigManager;
  41         this.bgpUtil = bgpUtil;
  42     }
  43
  44     @PostConstruct
  45     public void init() {
  46         LOG.info("{} registered", getClass().getSimpleName());
  47     }
  48
  49     @Override
  50     public void add(InstanceIdentifier<EvpnRdToNetwork> instanceIdentifier, EvpnRdToNetwork rdToNetwork) {
  51         if (!bgpConfigManager.isBGPEntityOwner()) {
  52             return;
  53         }
  54         String rd = rdToNetwork.getRd();
  55         String elanName = rdToNetwork.getNetworkId();
  56         LOG.trace("Received EvpnRdToNetwork Add for RD {} Netwrok {}", rd, elanName);
  57         addExternalTepstoElanInstance(rd);
  58     }
  59
  60     @Override
  61     public void update(InstanceIdentifier<EvpnRdToNetwork> instanceIdentifier, EvpnRdToNetwork rdToNetwork,
  62                           EvpnRdToNetwork rdToNetworkOld) {
  63         String rd = rdToNetwork.getRd();
  64         String elanName = rdToNetwork.getNetworkId();
  65         LOG.trace("Received EvpnRdToNetwork Update for RD {} Netwrok {}", rd, elanName);
  66         LOG.trace("Update operation not supported");
  67
  68     }
  69
  70     @Override
  71     public void remove(InstanceIdentifier<EvpnRdToNetwork> instanceIdentifier, EvpnRdToNetwork rdToNetwork) {
  72         if (!bgpConfigManager.isBGPEntityOwner()) {
  73             return;
  74         }
  75         String rd = rdToNetwork.getRd();
  76         String elanName = rdToNetwork.getNetworkId();
  77         LOG.trace("Received EvpnRdToNetwork Delete for RD {} Netwrok {}", rd, elanName);
  78         deleteExternalTepsfromElanInstance(rd);
  79     }
  80
  81     private void addExternalTepstoElanInstance(String rd) {
  82         for (String tepIp: bgpConfigManager.getTepIPs(rd)) {
  83             LOG.debug("Adding tep {} to Elan Corresponding to RD {}", tepIp, rd);
  84             bgpUtil.addTepToElanInstance(rd, tepIp);
  85         }
  86     }
  87
  88     private void deleteExternalTepsfromElanInstance(String rd) {
  89         for (String tepIp: bgpConfigManager.getTepIPs(rd)) {
  90             LOG.debug("Deleting tep {} to Elan Corresponding to RD {}", tepIp, rd);
  91             bgpUtil.deleteTepFromElanInstance(rd, tepIp);
  92         }
  93     }
  94
  95     @Override
  96     @PreDestroy
  97     public void close() {
  98         super.close();
  99         Executors.shutdownAndAwaitTermination(getExecutorService());
 100     }
 101 }