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