bgpmanager/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 org.opendaylight.controller.md.sal.binding.api.ClusteredDataTreeChangeListener;
  12 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  13 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  14 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.EvpnRdToNetworks;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.evpn.rd.to.networks.EvpnRdToNetwork;
  17 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  18 import org.slf4j.Logger;
  19 import org.slf4j.LoggerFactory;
  20
  21
  22 public class EvpnRdNetworkListener extends AsyncDataTreeChangeListenerBase<EvpnRdToNetwork, EvpnRdNetworkListener>
  23         implements ClusteredDataTreeChangeListener<EvpnRdToNetwork> {
  24     private static final Logger LOG = LoggerFactory.getLogger(EvpnRdNetworkListener.class);
  25
  26     private final DataBroker broker;
  27     private final BgpConfigurationManager bgpConfigManager;
  28     private final BgpUtil bgpUtil;
  29
  30     public EvpnRdNetworkListener(DataBroker dataBroker, BgpConfigurationManager bgpConfigManager, BgpUtil bgpUtil) {
  31         super(EvpnRdToNetwork.class, EvpnRdNetworkListener.class);
  32         this.broker = dataBroker;
  33         this.bgpConfigManager = bgpConfigManager;
  34         this.bgpUtil = bgpUtil;
  35     }
  36
  37     @Override
  38     public void init() {
  39         registerListener(LogicalDatastoreType.CONFIGURATION, broker);
  40     }
  41
  42     @Override
  43     protected InstanceIdentifier<EvpnRdToNetwork> getWildCardPath() {
  44         return InstanceIdentifier.create(EvpnRdToNetworks.class).child(EvpnRdToNetwork.class);
  45     }
  46
  47     @Override
  48     protected EvpnRdNetworkListener getDataTreeChangeListener() {
  49         return this;
  50     }
  51
  52     @Override
  53     protected void add(InstanceIdentifier<EvpnRdToNetwork> instanceIdentifier, EvpnRdToNetwork rdToNetwork) {
  54         if (!bgpConfigManager.isBGPEntityOwner()) {
  55             return;
  56         }
  57         String rd = rdToNetwork.getRd();
  58         String elanName = rdToNetwork.getNetworkId();
  59         LOG.trace("Received EvpnRdToNetwork Add for RD {} Netwrok {}", rd, elanName);
  60         addExternalTepstoElanInstance(rd);
  61     }
  62
  63     @Override
  64     protected void update(InstanceIdentifier<EvpnRdToNetwork> instanceIdentifier, EvpnRdToNetwork rdToNetwork,
  65                           EvpnRdToNetwork rdToNetworkOld) {
  66         String rd = rdToNetwork.getRd();
  67         String elanName = rdToNetwork.getNetworkId();
  68         LOG.trace("Received EvpnRdToNetwork Update for RD {} Netwrok {}", rd, elanName);
  69         LOG.trace("Update operation not supported");
  70
  71     }
  72
  73     @Override
  74     protected void remove(InstanceIdentifier<EvpnRdToNetwork> instanceIdentifier, EvpnRdToNetwork rdToNetwork) {
  75         if (!bgpConfigManager.isBGPEntityOwner()) {
  76             return;
  77         }
  78         String rd = rdToNetwork.getRd();
  79         String elanName = rdToNetwork.getNetworkId();
  80         LOG.trace("Received EvpnRdToNetwork Delete for RD {} Netwrok {}", rd, elanName);
  81         deleteExternalTepsfromElanInstance(rd);
  82     }
  83
  84     private void addExternalTepstoElanInstance(String rd) {
  85         for (String tepIp: bgpConfigManager.getTepIPs(rd)) {
  86             LOG.debug("Adding tep {} to Elan Corresponding to RD {}", tepIp, rd);
  87             bgpUtil.addTepToElanInstance(rd, tepIp);
  88         }
  89     }
  90
  91     private void deleteExternalTepsfromElanInstance(String rd) {
  92         for (String tepIp: bgpConfigManager.getTepIPs(rd)) {
  93             LOG.debug("Deleting tep {} to Elan Corresponding to RD {}", tepIp, rd);
  94             bgpUtil.deleteTepFromElanInstance(rd, tepIp);
  95         }
  96     }
  97 }