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.BgpDeployer.WriteConfiguration;
  18 import org.opendaylight.protocol.bgp.rib.impl.spi.RIB;
  19 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbor.group.Config;
  20 import org.opendaylight.yang.gen.v1.http.openconfig.net.yang.bgp.rev151009.bgp.neighbors.Neighbor;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.ApplicationRib;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.ApplicationRibId;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.Tables;
  24 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  25 import org.opendaylight.yangtools.yang.common.QName;
  26 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  27
  28 public class AppPeer implements PeerBean {
  29
  30     private static final QName APP_ID_QNAME = QName.create(ApplicationRib.QNAME, "id").intern();
  31
  32     private ApplicationPeer applicationPeer;
  33     private ListenerRegistration<ApplicationPeer> registration;
  34     private Neighbor currentConfiguration;
  35
  36     @Override
  37     public void start(final RIB rib, final Neighbor neighbor, final BGPOpenConfigMappingService mappingService, final WriteConfiguration configurationWriter) {
  38         this.currentConfiguration = Preconditions.checkNotNull(neighbor);
  39         final ApplicationRibId appRibId = createAppRibId(neighbor);
  40         this.applicationPeer = new ApplicationPeer(appRibId, neighbor.getNeighborAddress().getIpv4Address(), rib);
  41         final YangInstanceIdentifier yangIId = YangInstanceIdentifier.builder().node(ApplicationRib.QNAME)
  42                 .nodeWithKey(ApplicationRib.QNAME, APP_ID_QNAME, appRibId.getValue()).node(Tables.QNAME).node(Tables.QNAME).build();
  43         this.registration = rib.getService().registerDataTreeChangeListener(new DOMDataTreeIdentifier(LogicalDatastoreType.CONFIGURATION, yangIId),
  44                 this.applicationPeer);
  45     }
  46
  47     @Override
  48     public void restart(final RIB rib, final BGPOpenConfigMappingService mappingService) {
  49         Preconditions.checkState(this.currentConfiguration != null);
  50         start(rib, this.currentConfiguration, mappingService, null);
  51     }
  52
  53     @Override
  54     public void close() {
  55         if (this.applicationPeer != null) {
  56             this.registration.close();
  57             this.applicationPeer.close();
  58         }
  59     }
  60
  61     @Override
  62     public Boolean containsEqualConfiguration(final Neighbor neighbor) {
  63         return this.currentConfiguration.equals(neighbor);
  64     }
  65
  66     private static ApplicationRibId createAppRibId(final Neighbor neighbor) {
  67         final Config config = neighbor.getConfig();
  68         if (config != null && !Strings.isNullOrEmpty(config.getDescription())) {
  69             return new ApplicationRibId(config.getDescription());
  70         }
  71         return new ApplicationRibId(neighbor.getNeighborAddress().getIpv4Address().getValue());
  72     }
  73
  74 }