2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.protocol.bgp.flowspec;
10 import static java.util.Objects.requireNonNull;
12 import com.google.common.annotations.Beta;
13 import com.google.common.collect.Iterables;
14 import java.util.Collection;
15 import java.util.Optional;
16 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
17 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeSerializer;
18 import org.opendaylight.protocol.bgp.parser.spi.PathIdUtil;
19 import org.opendaylight.protocol.bgp.rib.spi.AbstractRIBSupport;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev180329.PathId;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.destination.DestinationType;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.Route;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.tables.Routes;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.AddressFamily;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev180329.SubsequentAddressFamily;
26 import org.opendaylight.yangtools.yang.binding.ChildOf;
27 import org.opendaylight.yangtools.yang.binding.DataObject;
28 import org.opendaylight.yangtools.yang.binding.Identifiable;
29 import org.opendaylight.yangtools.yang.binding.Identifier;
30 import org.opendaylight.yangtools.yang.common.QName;
31 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
32 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
33 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
34 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
35 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
36 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
39 public abstract class AbstractFlowspecRIBSupport<
40 T extends AbstractFlowspecNlriParser,
41 C extends Routes & DataObject,
42 S extends ChildOf<? super C>,
43 R extends Route & ChildOf<? super S> & Identifiable<I>,
44 I extends Identifier<R>> extends AbstractRIBSupport<C, S, R, I> {
45 protected final T nlriParser;
47 protected AbstractFlowspecRIBSupport(
48 final BindingNormalizedNodeSerializer mappingService,
49 final Class<C> cazeClass,
50 final Class<S> containerClass,
51 final Class<R> listClass,
52 final Class<? extends AddressFamily> afiClass,
53 final Class<? extends SubsequentAddressFamily> safiClass,
54 final QName dstContainerClassQName,
57 super(mappingService, cazeClass, containerClass, listClass, afiClass, safiClass, dstContainerClassQName);
59 this.nlriParser = requireNonNull(nlriParser);
63 protected DestinationType buildDestination(final Collection<MapEntryNode> routes) {
64 final MapEntryNode routesCont = Iterables.getOnlyElement(routes);
65 final PathId pathId = PathIdUtil.buildPathId(routesCont, routePathIdNid());
66 return this.nlriParser.createAdvertizedRoutesDestinationType(
67 new Object[] {this.nlriParser.extractFlowspec(routesCont)},
73 protected DestinationType buildWithdrawnDestination(final Collection<MapEntryNode> routes) {
74 final MapEntryNode routesCont = Iterables.getOnlyElement(routes);
75 final PathId pathId = PathIdUtil.buildPathId(routesCont, routePathIdNid());
76 return this.nlriParser.createWithdrawnDestinationType(
77 new Object[] {this.nlriParser.extractFlowspec(Iterables.getOnlyElement(routes))},
83 protected final void processDestination(
84 final DOMDataWriteTransaction tx,
85 final YangInstanceIdentifier routesPath,
86 final ContainerNode destination,
87 final ContainerNode attributes,
88 final ApplyRoute function
90 if (destination != null) {
91 final YangInstanceIdentifier base = routesYangInstanceIdentifier(routesPath);
93 final Optional<DataContainerChild<? extends PathArgument, ?>> maybePathIdLeaf
94 = destination.getChild(routePathIdNid());
95 final String routeKeyValue = this.nlriParser.stringNlri(destination);
96 final NodeIdentifierWithPredicates routeKey = PathIdUtil.createNidKey(routeQName(), routeKeyQName(),
97 pathIdQName(), routeKeyValue, maybePathIdLeaf);
98 function.apply(tx, base, routeKey, destination, attributes);