bgp/extensions/flowspec/src/main/java/org/opendaylight/protocol/bgp/flowspec/FlowspecIpv4RIBSupport.java

   1 /*
   2  * Copyright (c) 2015 Cisco 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;
   9
  10 import java.util.Collections;
  11 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
  12 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.FlowspecSubsequentAddressFamily;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.bgp.rib.rib.loc.rib.tables.routes.FlowspecRoutesCase;
  14 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.bgp.rib.rib.loc.rib.tables.routes.FlowspecRoutesCaseBuilder;
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.destination.ipv4.DestinationFlowspec;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.ipv4.route.FlowspecRoute;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.ipv4.route.FlowspecRouteBuilder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.ipv4.route.FlowspecRouteKey;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.routes.FlowspecRoutes;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.flowspec.rev180329.flowspec.routes.FlowspecRoutesBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.PathId;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.path.attributes.Attributes;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.Ipv4AddressFamily;
  24
  25 public final class FlowspecIpv4RIBSupport
  26         extends AbstractFlowspecRIBSupport<SimpleFlowspecIpv4NlriParser,
  27         FlowspecRoutesCase,
  28         FlowspecRoutes,
  29         FlowspecRoute,
  30         FlowspecRouteKey> {
  31     private static final FlowspecRoutes EMPTY_CONTAINER
  32             = new FlowspecRoutesBuilder().setFlowspecRoute(Collections.emptyList()).build();
  33     private static final FlowspecRoutesCase EMPTY_CASE
  34             = new FlowspecRoutesCaseBuilder().setFlowspecRoutes(EMPTY_CONTAINER).build();
  35     private static FlowspecIpv4RIBSupport SINGLETON;
  36
  37     private FlowspecIpv4RIBSupport(
  38             SimpleFlowspecExtensionProviderContext context,
  39             final BindingNormalizedNodeSerializer mappingService) {
  40         super(
  41                 mappingService,
  42                 FlowspecRoutesCase.class,
  43                 FlowspecRoutes.class,
  44                 FlowspecRoute.class,
  45                 Ipv4AddressFamily.class,
  46                 FlowspecSubsequentAddressFamily.class,
  47                 DestinationFlowspec.QNAME,
  48                 new SimpleFlowspecIpv4NlriParser(context
  49                         .getFlowspecTypeRegistry(SimpleFlowspecExtensionProviderContext.AFI.IPV4,
  50                                 SimpleFlowspecExtensionProviderContext.SAFI.FLOWSPEC))
  51         );
  52     }
  53
  54     static synchronized FlowspecIpv4RIBSupport getInstance(
  55             SimpleFlowspecExtensionProviderContext context,
  56             final BindingNormalizedNodeSerializer mappingService) {
  57         if (SINGLETON == null){
  58             SINGLETON = new FlowspecIpv4RIBSupport(context, mappingService);
  59         }
  60         return SINGLETON;
  61     }
  62
  63     @Override
  64     public FlowspecRoute createRoute(final FlowspecRoute route, final String routeKey, final long pathId,
  65             final Attributes attributes) {
  66         final FlowspecRouteBuilder builder;
  67         if (route != null) {
  68             builder = new FlowspecRouteBuilder(route);
  69         } else {
  70             builder = new FlowspecRouteBuilder();
  71         }
  72         return builder.withKey(new FlowspecRouteKey(new PathId(pathId), routeKey)).setAttributes(attributes).build();
  73     }
  74
  75     @Override
  76     public FlowspecRoutesCase emptyRoutesCase() {
  77         return EMPTY_CASE;
  78     }
  79
  80     @Override
  81     public FlowspecRoutes emptyRoutesContainer() {
  82         return EMPTY_CONTAINER;
  83     }
  84
  85     @Override
  86     public FlowspecRouteKey createRouteListKey(final long pathId, final String routeKey) {
  87         return new FlowspecRouteKey(new PathId(pathId), routeKey);
  88     }
  89 }