bgp/inet/src/main/java/org/opendaylight/protocol/bgp/inet/IPv6RIBSupport.java

   1 /*
   2  * Copyright (c) 2015 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 package org.opendaylight.protocol.bgp.inet;
   9
  10 import java.util.ArrayList;
  11 import java.util.Collection;
  12 import java.util.List;
  13 import javax.annotation.Nonnull;
  14 import org.opendaylight.protocol.bgp.parser.spi.PathIdUtil;
  15 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.bgp.rib.rib.loc.rib.tables.routes.Ipv6RoutesCase;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv6.prefixes.DestinationIpv6;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv6.prefixes.DestinationIpv6Builder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv6.prefixes.destination.ipv6.Ipv6Prefixes;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv6.prefixes.destination.ipv6.Ipv6PrefixesBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv6.routes.Ipv6Routes;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.ipv6.routes.ipv6.routes.Ipv6Route;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationIpv6CaseBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev171207.destination.DestinationType;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev130919.Ipv6AddressFamily;
  26 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  27 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNodes;
  28
  29 /**
  30  * Class supporting IPv6 unicast RIBs.
  31  */
  32 final class IPv6RIBSupport extends AbstractIPRibSupport {
  33
  34     private static final IPv6RIBSupport SINGLETON = new IPv6RIBSupport();
  35
  36     private IPv6RIBSupport() {
  37         super(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.Ipv6Prefix.class,
  38                 Ipv6AddressFamily.class, Ipv6RoutesCase.class, Ipv6Routes.class, Ipv6Route.class,
  39                 DestinationIpv6.QNAME, Ipv6Prefixes.QNAME);
  40     }
  41
  42     static IPv6RIBSupport getInstance() {
  43         return SINGLETON;
  44     }
  45
  46     @Nonnull
  47     @Override
  48     protected DestinationType buildDestination(@Nonnull final Collection<MapEntryNode> routes) {
  49         return new DestinationIpv6CaseBuilder().setDestinationIpv6(new DestinationIpv6Builder()
  50                 .setIpv6Prefixes(extractPrefixes(routes)).build()).build();
  51     }
  52
  53     @Nonnull
  54     @Override
  55     protected DestinationType buildWithdrawnDestination(@Nonnull final Collection<MapEntryNode> routes) {
  56         return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev171207.update
  57                 .attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationIpv6CaseBuilder()
  58                 .setDestinationIpv6(new DestinationIpv6Builder().setIpv6Prefixes(extractPrefixes(routes))
  59                         .build()).build();
  60     }
  61
  62     private List<Ipv6Prefixes> extractPrefixes(final Collection<MapEntryNode> routes) {
  63         final List<Ipv6Prefixes> prefs = new ArrayList<>(routes.size());
  64         for (final MapEntryNode route : routes) {
  65             final String prefix = (String) NormalizedNodes.findNode(route, routePrefixIdentifier()).get().getValue();
  66             prefs.add(new Ipv6PrefixesBuilder().setPathId(PathIdUtil.buildPathId(route, routePathIdNid()))
  67                     .setPrefix(new Ipv6Prefix(prefix)).build());
  68         }
  69         return prefs;
  70     }
  71 }