bgp/extensions/l3vpn/src/main/java/org/opendaylight/protocol/bgp/l3vpn/mcast/L3VpnMcastIpv6RIBSupport.java

   1 /*
   2  * Copyright (c) 2018 AT&T Intellectual Property. 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.l3vpn.mcast;
   9
  10 import static com.google.common.base.Verify.verify;
  11
  12 import io.netty.buffer.ByteBuf;
  13 import io.netty.buffer.Unpooled;
  14 import java.util.Collection;
  15 import java.util.Collections;
  16 import java.util.Map;
  17 import java.util.Optional;
  18 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  19 import org.opendaylight.protocol.bgp.l3vpn.mcast.nlri.L3vpnMcastNlriSerializer;
  20 import org.opendaylight.protocol.bgp.parser.spi.PathIdUtil;
  21 import org.opendaylight.protocol.util.ByteArray;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
  23 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Prefix;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.bgp.rib.rib.loc.rib.tables.routes.L3vpnMcastRoutesIpv6Case;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.l3vpn.mcast.destination.L3vpnMcastDestination;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.l3vpn.mcast.routes.L3vpnMcastRoute;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.l3vpn.mcast.routes.L3vpnMcastRouteKey;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.l3vpn.mcast.routes.ipv6.L3vpnMcastRoutesIpv6;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.l3vpn.mcast.routes.ipv6.L3vpnMcastRoutesIpv6Builder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationL3vpnMcastIpv6AdvertizedCase;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationL3vpnMcastIpv6AdvertizedCaseBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.l3vpn.mcast.ipv6.advertized._case.DestinationIpv6L3vpnMcast;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.l3vpn.mcast.ipv6.advertized._case.DestinationIpv6L3vpnMcastBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationL3vpnMcastIpv6WithdrawnCase;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationL3vpnMcastIpv6WithdrawnCaseBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.tables.Routes;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Ipv6AddressFamily;
  38 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
  39 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
  40 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
  41 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  42 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
  43
  44 /**
  45  * Ipv6 L3VPN Multicast RIBSupport.
  46  *
  47  * @author Claudio D. Gasparini
  48  */
  49 public final class L3VpnMcastIpv6RIBSupport
  50         extends AbstractL3vpnMcastIpRIBSupport<L3vpnMcastRoutesIpv6Case, L3vpnMcastRoutesIpv6> {
  51     private static final L3vpnMcastRoutesIpv6 EMPTY_CONTAINER
  52             = new L3vpnMcastRoutesIpv6Builder().setL3vpnMcastRoute(Collections.emptyList()).build();
  53     private static L3VpnMcastIpv6RIBSupport SINGLETON;
  54
  55
  56     private L3VpnMcastIpv6RIBSupport(final BindingNormalizedNodeSerializer mappingService) {
  57         super(mappingService,
  58                 L3vpnMcastRoutesIpv6Case.class,
  59                 L3vpnMcastRoutesIpv6.class,
  60                 Ipv6AddressFamily.class,
  61                 DestinationIpv6L3vpnMcast.QNAME,
  62                 L3vpnMcastDestination.QNAME);
  63     }
  64
  65     public static synchronized L3VpnMcastIpv6RIBSupport getInstance(
  66             final BindingNormalizedNodeSerializer mappingService) {
  67         if (SINGLETON == null) {
  68             SINGLETON = new L3VpnMcastIpv6RIBSupport(mappingService);
  69         }
  70         return SINGLETON;
  71     }
  72
  73
  74     @Override
  75     protected DestinationL3vpnMcastIpv6AdvertizedCase buildDestination(final Collection<MapEntryNode> routes) {
  76         return new DestinationL3vpnMcastIpv6AdvertizedCaseBuilder().setDestinationIpv6L3vpnMcast(
  77                 new DestinationIpv6L3vpnMcastBuilder().setL3vpnMcastDestination(extractRoutes(routes)).build()).build();
  78     }
  79
  80     @Override
  81     protected DestinationL3vpnMcastIpv6WithdrawnCase buildWithdrawnDestination(final Collection<MapEntryNode> routes) {
  82         return new DestinationL3vpnMcastIpv6WithdrawnCaseBuilder().setDestinationIpv6L3vpnMcast(
  83                 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.update
  84                         .attributes.mp.unreach.nlri.withdrawn.routes.destination.type.destination.l3vpn.mcast.ipv6
  85                         .withdrawn._case.DestinationIpv6L3vpnMcastBuilder()
  86                         .setL3vpnMcastDestination(extractRoutes(routes)).build()).build();
  87     }
  88
  89     @Override
  90     public L3vpnMcastRoutesIpv6 emptyRoutesContainer() {
  91         return EMPTY_CONTAINER;
  92     }
  93
  94     @Override
  95     protected IpPrefix createPrefix(final String prefix) {
  96         return new IpPrefix(new Ipv6Prefix(prefix));
  97     }
  98
  99     @Override
 100     public NodeIdentifierWithPredicates createRouteKey(final UnkeyedListEntryNode l3vpn) {
 101         final ByteBuf buffer = Unpooled.buffer();
 102         final L3vpnMcastDestination dest = extractDestinations(l3vpn);
 103         L3vpnMcastNlriSerializer.serializeNlri(Collections.singletonList(dest), buffer);
 104         final Optional<DataContainerChild<? extends PathArgument, ?>> maybePathIdLeaf =
 105                 l3vpn.getChild(routePathIdNid());
 106         return PathIdUtil.createNidKey(routeQName(), routeKeyTemplate(),
 107                 ByteArray.encodeBase64(buffer), maybePathIdLeaf);
 108     }
 109
 110     @Override
 111     public Map<L3vpnMcastRouteKey, L3vpnMcastRoute> extractAdjRibInRoutes(final Routes routes) {
 112         verify(routes instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast
 113             .rev180417.bgp.rib.rib.peer.adj.rib.in.tables.routes.L3vpnMcastRoutesIpv6Case, "Unrecognized routes %s",
 114             routes);
 115         return ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417
 116                 .bgp.rib.rib.peer.adj.rib.in.tables.routes.L3vpnMcastRoutesIpv6Case) routes).getL3vpnMcastRoutesIpv6()
 117                 .nonnullL3vpnMcastRoute();
 118     }
 119 }