bgp/extensions/l3vpn/src/main/java/org/opendaylight/protocol/bgp/l3vpn/mcast/L3VpnMcastIpv4RIBSupport.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.Ipv4Prefix;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.bgp.rib.rib.loc.rib.tables.routes.L3vpnMcastRoutesIpv4Case;
  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.ipv4.L3vpnMcastRoutesIpv4;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.l3vpn.mcast.routes.ipv4.L3vpnMcastRoutesIpv4Builder;
  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.DestinationL3vpnMcastIpv4AdvertizedCase;
  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.DestinationL3vpnMcastIpv4AdvertizedCaseBuilder;
  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.ipv4.advertized._case.DestinationIpv4L3vpnMcast;
  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.ipv4.advertized._case.DestinationIpv4L3vpnMcastBuilder;
  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.DestinationL3vpnMcastIpv4WithdrawnCase;
  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.DestinationL3vpnMcastIpv4WithdrawnCaseBuilder;
  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.Ipv4AddressFamily;
  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  * Ipv4 L3VPN Multicast RIBSupport.
  46  *
  47  * @author Claudio D. Gasparini
  48  */
  49 public final class L3VpnMcastIpv4RIBSupport
  50         extends AbstractL3vpnMcastIpRIBSupport<L3vpnMcastRoutesIpv4Case, L3vpnMcastRoutesIpv4> {
  51     private static final L3vpnMcastRoutesIpv4 EMPTY_CONTAINER = new L3vpnMcastRoutesIpv4Builder().build();
  52     private static L3VpnMcastIpv4RIBSupport SINGLETON;
  53
  54
  55     private L3VpnMcastIpv4RIBSupport(final BindingNormalizedNodeSerializer mappingService) {
  56         super(mappingService,
  57                 L3vpnMcastRoutesIpv4Case.class,
  58                 L3vpnMcastRoutesIpv4.class,
  59                 Ipv4AddressFamily.class,
  60                 DestinationIpv4L3vpnMcast.QNAME,
  61                 L3vpnMcastDestination.QNAME);
  62     }
  63
  64     public static synchronized L3VpnMcastIpv4RIBSupport getInstance(
  65             final BindingNormalizedNodeSerializer mappingService) {
  66         if (SINGLETON == null) {
  67             SINGLETON = new L3VpnMcastIpv4RIBSupport(mappingService);
  68         }
  69         return SINGLETON;
  70     }
  71
  72
  73     @Override
  74     protected DestinationL3vpnMcastIpv4AdvertizedCase buildDestination(final Collection<MapEntryNode> routes) {
  75         return new DestinationL3vpnMcastIpv4AdvertizedCaseBuilder().setDestinationIpv4L3vpnMcast(
  76                 new DestinationIpv4L3vpnMcastBuilder().setL3vpnMcastDestination(extractRoutes(routes)).build()).build();
  77     }
  78
  79     @Override
  80     protected DestinationL3vpnMcastIpv4WithdrawnCase buildWithdrawnDestination(final Collection<MapEntryNode> routes) {
  81         return new DestinationL3vpnMcastIpv4WithdrawnCaseBuilder().setDestinationIpv4L3vpnMcast(
  82                 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.update
  83                         .attributes.mp.unreach.nlri.withdrawn.routes.destination.type.destination.l3vpn.mcast.ipv4
  84                         .withdrawn._case.DestinationIpv4L3vpnMcastBuilder()
  85                         .setL3vpnMcastDestination(extractRoutes(routes)).build()).build();
  86     }
  87
  88     @Override
  89     public L3vpnMcastRoutesIpv4 emptyRoutesContainer() {
  90         return EMPTY_CONTAINER;
  91     }
  92
  93     @Override
  94     protected IpPrefix createPrefix(final String prefix) {
  95         return new IpPrefix(new Ipv4Prefix(prefix));
  96     }
  97
  98     @Override
  99     public NodeIdentifierWithPredicates createRouteKey(final UnkeyedListEntryNode l3vpn) {
 100         final ByteBuf buffer = Unpooled.buffer();
 101         final L3vpnMcastDestination dest = extractDestinations(l3vpn);
 102         L3vpnMcastNlriSerializer.serializeNlri(Collections.singletonList(dest), buffer);
 103         final Optional<DataContainerChild<? extends PathArgument, ?>> maybePathIdLeaf =
 104                 l3vpn.getChild(routePathIdNid());
 105         return PathIdUtil.createNidKey(routeQName(), routeKeyTemplate(),
 106                 ByteArray.encodeBase64(buffer), maybePathIdLeaf);
 107     }
 108
 109     @Override
 110     public Map<L3vpnMcastRouteKey, L3vpnMcastRoute> extractAdjRibInRoutes(final Routes routes) {
 111         verify(routes instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast
 112             .rev180417.bgp.rib.rib.peer.adj.rib.in.tables.routes.L3vpnMcastRoutesIpv4Case, "Unrecognized routes %s",
 113             routes);
 114         return ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417
 115                 .bgp.rib.rib.peer.adj.rib.in.tables.routes.L3vpnMcastRoutesIpv4Case) routes).getL3vpnMcastRoutesIpv4()
 116                 .nonnullL3vpnMcastRoute();
 117     }
 118 }