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
   9 package org.opendaylight.protocol.bgp.l3vpn.mcast;
  10
  11 import io.netty.buffer.ByteBuf;
  12 import io.netty.buffer.Unpooled;
  13 import java.util.Collection;
  14 import java.util.Collections;
  15 import java.util.Optional;
  16 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  17 import org.opendaylight.protocol.bgp.l3vpn.mcast.nlri.L3vpnMcastNlriSerializer;
  18 import org.opendaylight.protocol.bgp.parser.spi.PathIdUtil;
  19 import org.opendaylight.protocol.util.ByteArray;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpPrefix;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4Prefix;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.bgp.rib.rib.loc.rib.tables.routes.L3vpnMcastRoutesIpv4Case;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.bgp.rib.rib.loc.rib.tables.routes.L3vpnMcastRoutesIpv4CaseBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.l3vpn.mcast.destination.L3vpnMcastDestination;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.l3vpn.mcast.routes.ipv4.L3vpnMcastRoutesIpv4;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.l3vpn.mcast.routes.ipv4.L3vpnMcastRoutesIpv4Builder;
  27 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;
  28 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;
  29 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;
  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.destination.l3vpn.mcast.ipv4.advertized._case.DestinationIpv4L3vpnMcastBuilder;
  31 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;
  32 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;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.Ipv4AddressFamily;
  34 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
  35 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
  36 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
  37 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  38 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
  39
  40 /**
  41  * Ipv4 L3VPN Multicast RIBSupport.
  42  *
  43  * @author Claudio D. Gasparini
  44  */
  45 public final class L3VpnMcastIpv4RIBSupport
  46         extends AbstractL3vpnMcastIpRIBSupport<L3vpnMcastRoutesIpv4Case, L3vpnMcastRoutesIpv4> {
  47     private static final L3vpnMcastRoutesIpv4 EMPTY_CONTAINER
  48             = new L3vpnMcastRoutesIpv4Builder().setL3vpnMcastRoute(Collections.emptyList()).build();
  49     private static final L3vpnMcastRoutesIpv4Case EMPTY_CASE
  50             = new L3vpnMcastRoutesIpv4CaseBuilder().setL3vpnMcastRoutesIpv4(EMPTY_CONTAINER).build();
  51     private static L3VpnMcastIpv4RIBSupport SINGLETON;
  52
  53
  54     private L3VpnMcastIpv4RIBSupport(final BindingNormalizedNodeSerializer mappingService) {
  55         super(mappingService,
  56                 L3vpnMcastRoutesIpv4Case.class,
  57                 L3vpnMcastRoutesIpv4.class,
  58                 Ipv4AddressFamily.class,
  59                 DestinationIpv4L3vpnMcast.QNAME,
  60                 L3vpnMcastDestination.QNAME);
  61     }
  62
  63     public static synchronized L3VpnMcastIpv4RIBSupport getInstance(
  64             final BindingNormalizedNodeSerializer mappingService) {
  65         if (SINGLETON == null) {
  66             SINGLETON = new L3VpnMcastIpv4RIBSupport(mappingService);
  67         }
  68         return SINGLETON;
  69     }
  70
  71
  72     @Override
  73     protected DestinationL3vpnMcastIpv4AdvertizedCase buildDestination(final Collection<MapEntryNode> routes) {
  74         return new DestinationL3vpnMcastIpv4AdvertizedCaseBuilder().setDestinationIpv4L3vpnMcast(
  75                 new DestinationIpv4L3vpnMcastBuilder().setL3vpnMcastDestination(extractRoutes(routes)).build()).build();
  76     }
  77
  78     @Override
  79     protected DestinationL3vpnMcastIpv4WithdrawnCase buildWithdrawnDestination(final Collection<MapEntryNode> routes) {
  80         return new DestinationL3vpnMcastIpv4WithdrawnCaseBuilder().setDestinationIpv4L3vpnMcast(
  81                 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.l3vpn.mcast.rev180417.update
  82                         .attributes.mp.unreach.nlri.withdrawn.routes.destination.type.destination.l3vpn.mcast.ipv4
  83                         .withdrawn._case.DestinationIpv4L3vpnMcastBuilder()
  84                         .setL3vpnMcastDestination(extractRoutes(routes)).build()).build();
  85     }
  86
  87     @Override
  88     public L3vpnMcastRoutesIpv4Case emptyRoutesCase() {
  89         return EMPTY_CASE;
  90     }
  91
  92     @Override
  93     public L3vpnMcastRoutesIpv4 emptyRoutesContainer() {
  94         return EMPTY_CONTAINER;
  95     }
  96
  97     @Override
  98     protected IpPrefix createPrefix(final String prefix) {
  99         return new IpPrefix(new Ipv4Prefix(prefix));
 100     }
 101
 102     @Override
 103     public NodeIdentifierWithPredicates createRouteKey(final UnkeyedListEntryNode l3vpn) {
 104         final ByteBuf buffer = Unpooled.buffer();
 105         final L3vpnMcastDestination dest = extractDestinations(l3vpn);
 106         L3vpnMcastNlriSerializer.serializeNlri(Collections.singletonList(dest), buffer);
 107         final Optional<DataContainerChild<? extends PathArgument, ?>> maybePathIdLeaf =
 108                 l3vpn.getChild(routePathIdNid());
 109         return PathIdUtil.createNidKey(routeQName(), routeKeyQName(),
 110                 pathIdQName(), ByteArray.encodeBase64(buffer), maybePathIdLeaf);
 111     }
 112 }