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