bgp/extensions/flowspec/src/main/java/org/opendaylight/protocol/bgp/flowspec/l3vpn/ipv4/FlowspecL3vpnIpv4RIBSupport.java

   1 /*
   2  * Copyright (c) 2016 Brocade Communications 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.flowspec.l3vpn.ipv4;
   9
  10 import static com.google.common.base.Verify.verify;
  11
  12 import java.util.Collections;
  13 import java.util.Map;
  14 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  15 import org.opendaylight.protocol.bgp.flowspec.SimpleFlowspecExtensionProviderContext;
  16 import org.opendaylight.protocol.bgp.flowspec.l3vpn.AbstractFlowspecL3vpnRIBSupport;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.bgp.rib.rib.loc.rib.tables.routes.FlowspecL3vpnIpv4RoutesCase;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.flowspec.l3vpn.destination.ipv4.DestinationFlowspecL3vpnIpv4;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.flowspec.l3vpn.ipv4.route.FlowspecL3vpnRoute;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.flowspec.l3vpn.ipv4.route.FlowspecL3vpnRouteBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.flowspec.l3vpn.ipv4.route.FlowspecL3vpnRouteKey;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.flowspec.l3vpn.ipv4.routes.FlowspecL3vpnIpv4Routes;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120.flowspec.l3vpn.ipv4.routes.FlowspecL3vpnIpv4RoutesBuilder;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.PathId;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.Attributes;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.tables.Routes;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Ipv4AddressFamily;
  28
  29 public final class FlowspecL3vpnIpv4RIBSupport
  30         extends AbstractFlowspecL3vpnRIBSupport<FlowspecL3vpnIpv4NlriParser,
  31         FlowspecL3vpnIpv4RoutesCase,
  32         FlowspecL3vpnIpv4Routes,
  33         FlowspecL3vpnRoute,
  34         FlowspecL3vpnRouteKey> {
  35     private static final FlowspecL3vpnIpv4Routes EMPTY_CONTAINER
  36             = new FlowspecL3vpnIpv4RoutesBuilder().setFlowspecL3vpnRoute(Collections.emptyList()).build();
  37     private static FlowspecL3vpnIpv4RIBSupport SINGLETON;
  38
  39     private FlowspecL3vpnIpv4RIBSupport(
  40             final SimpleFlowspecExtensionProviderContext context,
  41             final BindingNormalizedNodeSerializer mappingService) {
  42         super(
  43                 mappingService,
  44                 FlowspecL3vpnIpv4RoutesCase.class,
  45                 FlowspecL3vpnIpv4Routes.class,
  46                 FlowspecL3vpnRoute.class,
  47                 DestinationFlowspecL3vpnIpv4.QNAME,
  48                 Ipv4AddressFamily.class,
  49                 new FlowspecL3vpnIpv4NlriParser(context
  50                         .getFlowspecTypeRegistry(SimpleFlowspecExtensionProviderContext.AFI.IPV4,
  51                                 SimpleFlowspecExtensionProviderContext.SAFI.FLOWSPEC_VPN))
  52         );
  53     }
  54
  55     public static synchronized FlowspecL3vpnIpv4RIBSupport getInstance(
  56             final SimpleFlowspecExtensionProviderContext context,
  57             final BindingNormalizedNodeSerializer mappingService) {
  58         if (SINGLETON == null) {
  59             SINGLETON = new FlowspecL3vpnIpv4RIBSupport(context, mappingService);
  60         }
  61         return SINGLETON;
  62     }
  63
  64     @Override
  65     public FlowspecL3vpnRouteKey createRouteListKey(final PathId pathId, final String routeKey) {
  66         return new FlowspecL3vpnRouteKey(pathId, routeKey);
  67     }
  68
  69     @Override
  70     public FlowspecL3vpnRoute createRoute(final FlowspecL3vpnRoute route, final FlowspecL3vpnRouteKey key,
  71             final Attributes attributes) {
  72         final FlowspecL3vpnRouteBuilder builder;
  73         if (route != null) {
  74             builder = new FlowspecL3vpnRouteBuilder(route);
  75         } else {
  76             builder = new FlowspecL3vpnRouteBuilder();
  77         }
  78         return builder.withKey(key).setAttributes(attributes).build();
  79     }
  80
  81     @Override
  82     public FlowspecL3vpnIpv4Routes emptyRoutesContainer() {
  83         return EMPTY_CONTAINER;
  84     }
  85
  86     @Override
  87     public PathId extractPathId(final FlowspecL3vpnRouteKey routeListKey) {
  88         return routeListKey.getPathId();
  89     }
  90
  91     @Override
  92     public String extractRouteKey(final FlowspecL3vpnRouteKey routeListKey) {
  93         return routeListKey.getRouteKey();
  94     }
  95
  96     @Override
  97     public Map<FlowspecL3vpnRouteKey, FlowspecL3vpnRoute> extractAdjRibInRoutes(final Routes routes) {
  98         verify(routes instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120
  99             .bgp.rib.rib.peer.adj.rib.in.tables.routes.FlowspecL3vpnIpv4RoutesCase, "Unrecognized routes %s", routes);
 100         return ((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev200120
 101                 .bgp.rib.rib.peer.adj.rib.in.tables.routes.FlowspecL3vpnIpv4RoutesCase) routes)
 102                 .getFlowspecL3vpnIpv4Routes().nonnullFlowspecL3vpnRoute();
 103     }
 104 }