bgp/rib-impl/src/main/java/org/opendaylight/protocol/bgp/rib/impl/config/AppPeer.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. 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.protocol.bgp.rib.impl.config;
  10
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.base.Strings;
  13 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  14 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeIdentifier;
  15 import org.opendaylight.protocol.bgp.openconfig.spi.BGPOpenConfigMappingService;
  16 import org.opendaylight.protocol.bgp.rib.impl.ApplicationPeer;
  17 import org.opendaylight.protocol.bgp.rib.impl.spi.RIB;
  18 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.Config;
  19 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbors.Neighbor;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.ApplicationRib;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.ApplicationRibId;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
  23 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  24 import org.opendaylight.yangtools.yang.common.QName;
  25 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  26
  27 public class AppPeer implements PeerBean {
  28
  29     private static final QName APP_ID_QNAME = QName.create(ApplicationRib.QNAME, "id").intern();
  30
  31     private ApplicationPeer applicationPeer;
  32     private ListenerRegistration<ApplicationPeer> registration;
  33     private Neighbor currentConfiguration;
  34
  35     @Override
  36     public void start(final RIB rib, final Neighbor neighbor, final BGPOpenConfigMappingService mappingService) {
  37         this.currentConfiguration = Preconditions.checkNotNull(neighbor);
  38         final ApplicationRibId appRibId = createAppRibId(neighbor);
  39         this.applicationPeer = new ApplicationPeer(appRibId, neighbor.getNeighborAddress().getIpv4Address(), rib);
  40         final YangInstanceIdentifier yangIId = YangInstanceIdentifier.builder().node(ApplicationRib.QNAME)
  41                 .nodeWithKey(ApplicationRib.QNAME, APP_ID_QNAME, appRibId.getValue()).node(Tables.QNAME).node(Tables.QNAME).build();
  42         this.registration = rib.getService().registerDataTreeChangeListener(new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, yangIId),
  43                 this.applicationPeer);
  44     }
  45
  46     @Override
  47     public void restart(final RIB rib, final BGPOpenConfigMappingService mappingService) {
  48         Preconditions.checkState(this.currentConfiguration != null);
  49         start(rib, this.currentConfiguration, mappingService);
  50     }
  51
  52     @Override
  53     public void close() {
  54         if (this.applicationPeer != null) {
  55             this.registration.close();
  56             this.applicationPeer.close();
  57         }
  58     }
  59
  60     private static ApplicationRibId createAppRibId(final Neighbor neighbor) {
  61         final Config config = neighbor.getConfig();
  62         if (config != null && !Strings.isNullOrEmpty(config.getDescription())) {
  63             return new ApplicationRibId(config.getDescription());
  64         }
  65         return new ApplicationRibId(neighbor.getNeighborAddress().getIpv4Address().getValue());
  66     }
  67
  68 }