bgp/rib-impl/src/main/java/org/opendaylight/protocol/bgp/rib/impl/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.rib.impl;
   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.rev100924.Ipv6Prefix;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.bgp.rib.rib.loc.rib.tables.routes.Ipv6RoutesCase;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.prefixes.DestinationIpv6;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.prefixes.DestinationIpv6Builder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.prefixes.destination.ipv6.Ipv6Prefixes;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.prefixes.destination.ipv6.Ipv6PrefixesBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.routes.Ipv6Routes;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.ipv6.routes.ipv6.routes.Ipv6Route;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.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.rev130919.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
  28 /**
  29  * Class supporting IPv6 unicast RIBs.
  30  */
  31 final class IPv6RIBSupport extends AbstractIPRIBSupport {
  32
  33     private static final IPv6RIBSupport SINGLETON = new IPv6RIBSupport();
  34
  35     private IPv6RIBSupport() {
  36         super(org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.Ipv6Prefix.class,
  37             Ipv6AddressFamily.class, Ipv6RoutesCase.class, Ipv6Routes.class, Ipv6Route.class, DestinationIpv6.QNAME, Ipv6Prefixes.QNAME);
  38     }
  39
  40     static IPv6RIBSupport getInstance() {
  41         return SINGLETON;
  42     }
  43
  44     @Nonnull
  45     @Override
  46     protected DestinationType buildDestination(@Nonnull final Collection<MapEntryNode> routes) {
  47         return new DestinationIpv6CaseBuilder().setDestinationIpv6(new DestinationIpv6Builder().setIpv6Prefixes(extractPrefixes(routes)).build()).build();
  48     }
  49
  50     @Nonnull
  51     @Override
  52     protected DestinationType buildWithdrawnDestination(@Nonnull final Collection<MapEntryNode> routes) {
  53         return new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.inet.rev150305.update.attributes.mp.unreach.nlri.withdrawn.routes
  54             .destination.type.DestinationIpv6CaseBuilder().setDestinationIpv6(
  55             new DestinationIpv6Builder().setIpv6Prefixes(extractPrefixes(routes)).build()).build();
  56     }
  57
  58     private List<Ipv6Prefixes> extractPrefixes(final Collection<MapEntryNode> routes) {
  59         final List<Ipv6Prefixes> prefs = new ArrayList<>(routes.size());
  60         for (final MapEntryNode ipv6Route : routes) {
  61             final String prefix = (String) ipv6Route.getChild(this.routePrefixIdentifier()).get().getValue();
  62             prefs.add(new Ipv6PrefixesBuilder().setPathId(PathIdUtil.buildPathId(ipv6Route, this.routePathIdNid())).setPrefix(new Ipv6Prefix(prefix)).build());
  63         }
  64         return prefs;
  65     }
  66 }