natservice/impl/src/main/java/org/opendaylight/netvirt/natservice/internal/RouterPortsListener.java

   1 /*
   2  * Copyright (c) 2016 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 package org.opendaylight.netvirt.natservice.internal;
   9
  10 import com.google.common.base.Optional;
  11 import javax.annotation.PostConstruct;
  12 import javax.inject.Inject;
  13 import javax.inject.Singleton;
  14 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  16 import org.opendaylight.genius.datastoreutils.AsyncDataTreeChangeListenerBase;
  17 import org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker;
  18 import org.opendaylight.genius.mdsalutil.MDSALUtil;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.FloatingIpInfo;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.floating.ip.info.RouterPorts;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.floating.ip.info.RouterPortsBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.floating.ip.info.RouterPortsKey;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.router.to.vpn.mapping.Routermapping;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.router.to.vpn.mapping.RoutermappingBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.natservice.rev160111.router.to.vpn.mapping.RoutermappingKey;
  27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 @Singleton
  32 public class RouterPortsListener
  33     extends AsyncDataTreeChangeListenerBase<RouterPorts, RouterPortsListener> {
  34
  35     private static final Logger LOG = LoggerFactory.getLogger(RouterPortsListener.class);
  36     private final DataBroker dataBroker;
  37
  38     @Inject
  39     public RouterPortsListener(final DataBroker dataBroker) {
  40         super(RouterPorts.class, RouterPortsListener.class);
  41         this.dataBroker = dataBroker;
  42     }
  43
  44     @Override
  45     @PostConstruct
  46     public void init() {
  47         LOG.info("{} init", getClass().getSimpleName());
  48         registerListener(LogicalDatastoreType.CONFIGURATION, dataBroker);
  49     }
  50
  51     @Override
  52     protected InstanceIdentifier<RouterPorts> getWildCardPath() {
  53         return InstanceIdentifier.create(FloatingIpInfo.class).child(RouterPorts.class);
  54     }
  55
  56     @Override
  57     protected RouterPortsListener getDataTreeChangeListener() {
  58         return RouterPortsListener.this;
  59     }
  60
  61     @Override
  62     protected void add(final InstanceIdentifier<RouterPorts> identifier, final RouterPorts routerPorts) {
  63         LOG.trace("add : key:{}  value:{}",routerPorts.getKey(), routerPorts);
  64         Optional<RouterPorts> optRouterPorts =
  65                 SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker,
  66                         LogicalDatastoreType.OPERATIONAL, identifier);
  67         if (optRouterPorts.isPresent()) {
  68             RouterPorts ports = optRouterPorts.get();
  69             String routerName = ports.getRouterId();
  70             MDSALUtil.syncUpdate(dataBroker, LogicalDatastoreType.OPERATIONAL, identifier,
  71                 new RouterPortsBuilder().setKey(new RouterPortsKey(routerName)).setRouterId(routerName)
  72                     .setExternalNetworkId(routerPorts.getExternalNetworkId()).build());
  73         } else {
  74             String routerName = routerPorts.getRouterId();
  75             MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.OPERATIONAL, identifier,
  76                 new RouterPortsBuilder().setKey(new RouterPortsKey(routerName)).setRouterId(routerName)
  77                     .setExternalNetworkId(routerPorts.getExternalNetworkId()).build());
  78         }
  79         //Check if the router is associated with any BGP VPN and update the association
  80         String routerName = routerPorts.getRouterId();
  81         Uuid vpnName = NatUtil.getVpnForRouter(dataBroker, routerName);
  82         if (vpnName != null) {
  83             InstanceIdentifier<Routermapping> routerMappingId = NatUtil.getRouterVpnMappingId(routerName);
  84             Optional<Routermapping> optRouterMapping =
  85                     SingleTransactionDataBroker.syncReadOptionalAndTreatReadFailedExceptionAsAbsentOptional(dataBroker,
  86                             LogicalDatastoreType.OPERATIONAL, routerMappingId);
  87             if (!optRouterMapping.isPresent()) {
  88                 Long vpnId = NatUtil.getVpnId(dataBroker, vpnName.getValue());
  89                 LOG.debug("add : Updating router {} to VPN {} association with Id {}", routerName, vpnName, vpnId);
  90                 Routermapping routerMapping = new RoutermappingBuilder().setKey(new RoutermappingKey(routerName))
  91                     .setRouterName(routerName).setVpnName(vpnName.getValue()).setVpnId(vpnId).build();
  92                 MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.OPERATIONAL, routerMappingId, routerMapping);
  93             }
  94         }
  95     }
  96
  97     @Override
  98     protected void remove(InstanceIdentifier<RouterPorts> identifier, RouterPorts routerPorts) {
  99         LOG.trace("remove : key:{}  value:{}",routerPorts.getKey(), routerPorts);
 100         //MDSALUtil.syncDelete(dataBroker, LogicalDatastoreType.OPERATIONAL, identifier);
 101         //Remove the router to vpn association mapping entry if at all present
 102         String routerName = routerPorts.getRouterId();
 103         Uuid vpnName = NatUtil.getVpnForRouter(dataBroker, routerName);
 104         if (vpnName != null) {
 105             MDSALUtil.syncDelete(dataBroker, LogicalDatastoreType.OPERATIONAL,
 106                 NatUtil.getRouterVpnMappingId(routerName));
 107         }
 108     }
 109
 110     @Override
 111     protected void update(InstanceIdentifier<RouterPorts> identifier, RouterPorts original, RouterPorts update) {
 112         LOG.trace("Update : key: {}, original:{}, update:{}",update.getKey(), original, update);
 113     }
 114 }