bgp/extensions/mvpn/src/main/java/org/opendaylight/protocol/bgp/mvpn/impl/MvpnIpv4RIBSupport.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.mvpn.impl;
   9
  10 import io.netty.buffer.ByteBuf;
  11 import io.netty.buffer.Unpooled;
  12 import java.util.Collection;
  13 import java.util.List;
  14 import java.util.stream.Collectors;
  15 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  16 import org.opendaylight.protocol.bgp.mvpn.impl.nlri.Ipv4NlriHandler;
  17 import org.opendaylight.protocol.bgp.parser.spi.PathIdUtil;
  18 import org.opendaylight.protocol.util.ByteArray;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.destination.DestinationType;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.MvpnDestination;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.bgp.rib.rib.loc.rib.tables.routes.MvpnRoutesIpv4Case;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.mvpn.destination.MvpnDestinationBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.mvpn.routes.ipv4.MvpnRoutesIpv4;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.update.attributes.mp.reach.nlri.advertized.routes.destination.type.DestinationMvpnIpv4AdvertizedCaseBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.mvpn.ipv4.advertized._case.DestinationMvpn;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.update.attributes.mp.reach.nlri.advertized.routes.destination.type.destination.mvpn.ipv4.advertized._case.DestinationMvpnBuilder;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.update.attributes.mp.unreach.nlri.withdrawn.routes.destination.type.DestinationMvpnIpv4WithdrawnCaseBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Ipv4AddressFamily;
  29 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
  30 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
  31 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
  32 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
  33
  34 /**
  35  * Ipv4 Mvpn RIBSupport.
  36  *
  37  * @author Claudio D. Gasparini
  38  */
  39 final class MvpnIpv4RIBSupport extends AbstractMvpnRIBSupport<MvpnRoutesIpv4Case, MvpnRoutesIpv4> {
  40     MvpnIpv4RIBSupport(final BindingNormalizedNodeSerializer mappingService) {
  41         super(mappingService,
  42             MvpnRoutesIpv4Case.class, MvpnRoutesIpv4Case.QNAME,
  43             MvpnRoutesIpv4.class, MvpnRoutesIpv4.QNAME,
  44             Ipv4AddressFamily.VALUE, Ipv4AddressFamily.QNAME,
  45             DestinationMvpn.QNAME,
  46             MvpnDestination.QNAME);
  47     }
  48
  49     private List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.mvpn
  50             .destination.MvpnDestination> extractRoutes(final Collection<MapEntryNode> routes) {
  51         return routes.stream().map(this::extractDestinations).collect(Collectors.toList());
  52     }
  53
  54     private org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.mvpn
  55             .destination.MvpnDestination extractDestinations(final DataContainerNode mvpnDest) {
  56         return new MvpnDestinationBuilder()
  57                 .setMvpnChoice(extractMvpnChoice(mvpnDest))
  58                 .setPathId(PathIdUtil.buildPathId(mvpnDest, routePathIdNid()))
  59                 .build();
  60     }
  61
  62     @Override
  63     protected DestinationType buildDestination(final Collection<MapEntryNode> routes) {
  64         return new DestinationMvpnIpv4AdvertizedCaseBuilder().setDestinationMvpn(
  65                 new DestinationMvpnBuilder().setMvpnDestination(extractRoutes(routes)).build()).build();
  66     }
  67
  68     @Override
  69     protected DestinationType buildWithdrawnDestination(final Collection<MapEntryNode> routes) {
  70         return new DestinationMvpnIpv4WithdrawnCaseBuilder().setDestinationMvpn(
  71                 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.update
  72                         .attributes.mp.unreach.nlri.withdrawn.routes.destination.type.destination.mvpn.ipv4.withdrawn
  73                         ._case.DestinationMvpnBuilder().setMvpnDestination(extractRoutes(routes)).build()).build();
  74     }
  75
  76     @Override
  77     public NodeIdentifierWithPredicates createRouteKey(final UnkeyedListEntryNode mvpn) {
  78         final ByteBuf buffer = Unpooled.buffer();
  79         final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.mvpn.ipv4.rev180417.mvpn.destination
  80                 .MvpnDestination dest = extractDestinations(mvpn);
  81         Ipv4NlriHandler.serializeNlri(List.of(dest), buffer);
  82         return PathIdUtil.createNidKey(routeQName(), routeKeyTemplate(),
  83                 ByteArray.encodeBase64(buffer), mvpn.findChildByArg(routePathIdNid()));
  84     }
  85 }