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.rib.impl;
10 import com.google.common.base.Optional;
11 import com.google.common.base.Preconditions;
12 import com.google.common.collect.ImmutableCollection;
13 import com.google.common.collect.ImmutableSet;
14 import javax.annotation.Nonnull;
15 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
16 import org.opendaylight.controller.md.sal.dom.api.DOMDataWriteTransaction;
17 import org.opendaylight.protocol.bgp.rib.spi.AbstractRIBSupport;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.Route;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.tables.Routes;
20 import org.opendaylight.yangtools.yang.binding.DataObject;
21 import org.opendaylight.yangtools.yang.common.QName;
22 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
23 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
24 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
25 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
26 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
27 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
28 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
29 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
30 import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
31 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
32 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
33 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
34 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
35 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeAttrBuilder;
36 import org.opendaylight.yangtools.yang.data.impl.schema.builder.api.DataContainerNodeBuilder;
37 import org.slf4j.Logger;
38 import org.slf4j.LoggerFactory;
41 * Common {@link org.opendaylight.protocol.bgp.rib.spi.RIBSupport} class for IPv4 and IPv6 addresses.
43 abstract class AbstractIPRIBSupport extends AbstractRIBSupport {
44 private abstract static class ApplyRoute {
45 abstract void apply(DOMDataWriteTransaction tx, YangInstanceIdentifier base, NodeIdentifierWithPredicates routeKey, DataContainerNode<?> route, final ContainerNode attributes);
48 private static final class DeleteRoute extends ApplyRoute {
50 void apply(final DOMDataWriteTransaction tx, final YangInstanceIdentifier base, final NodeIdentifierWithPredicates routeKey, final DataContainerNode<?> route, final ContainerNode attributes) {
51 tx.delete(LogicalDatastoreType.OPERATIONAL, base.node(routeKey));
55 private final class PutRoute extends ApplyRoute {
57 void apply(final DOMDataWriteTransaction tx, final YangInstanceIdentifier base, final NodeIdentifierWithPredicates routeKey, final DataContainerNode<?> route, final ContainerNode attributes) {
58 final DataContainerNodeBuilder<NodeIdentifierWithPredicates, MapEntryNode> b = ImmutableNodes.mapEntryBuilder();
59 b.withNodeIdentifier(routeKey);
60 b.withChild(ImmutableNodes.leafNode(routeKeyLeafIdentifier(), routeKey.getKeyValues().get(routeQName())));
62 // FIXME: All route children, there should be a utility somewhere to do this
63 for (final DataContainerChild<? extends PathArgument, ?> child : route.getValue()) {
68 final DataContainerNodeAttrBuilder<NodeIdentifier, ContainerNode> cb = Builders.containerBuilder(attributes);
69 cb.withNodeIdentifier(routeAttributesIdentifier());
70 b.withChild(cb.build());
71 tx.put(LogicalDatastoreType.OPERATIONAL, base.node(routeKey), b.build());
75 private static final Logger LOG = LoggerFactory.getLogger(AbstractIPRIBSupport.class);
76 private static final ApplyRoute DELETE_ROUTE = new DeleteRoute();
77 private final ApplyRoute putRoute = new PutRoute();
79 protected AbstractIPRIBSupport(final Class<? extends Routes> cazeClass,
80 final Class<? extends DataObject> containerClass, final Class<? extends Route> listClass) {
81 super(cazeClass, containerClass, listClass);
85 * Return the NodeIdentifier corresponding to the list containing individual routes.
87 * @return The NodeIdentifier for individual route list.
89 @Nonnull protected abstract NodeIdentifier routeIdentifier();
92 * Return the NodeIdentifier corresponding to the list containing individual routes.
94 * @return The NodeIdentifier for individual route list.
96 @Nonnull protected abstract NodeIdentifier nlriRoutesListIdentifier();
99 @Nonnull protected abstract NodeIdentifier routeKeyLeafIdentifier();
101 @Nonnull protected abstract QName keyLeafQName();
103 @Nonnull protected abstract QName routeQName();
107 public final ImmutableCollection<Class<? extends DataObject>> cacheableAttributeObjects() {
108 return ImmutableSet.of();
112 public final boolean isComplexRoute() {
116 private void processDestination(final DOMDataWriteTransaction tx, final YangInstanceIdentifier routesPath,
117 final ContainerNode destination, final ContainerNode attributes, final ApplyRoute function) {
118 if (destination != null) {
119 final Optional<DataContainerChild<? extends PathArgument, ?>> maybeRoutes = destination.getChild(nlriRoutesListIdentifier());
120 if (maybeRoutes.isPresent()) {
121 final DataContainerChild<? extends PathArgument, ?> routes = maybeRoutes.get();
122 if (routes instanceof UnkeyedListNode) {
123 // Instance identifier to table/(choice routes)/(map of route)
124 // FIXME: cache on per-table basis (in TableContext, for example)
125 final YangInstanceIdentifier base = routesPath.node(routesContainerIdentifier()).node(routeIdentifier());
126 for (final UnkeyedListEntryNode e : ((UnkeyedListNode)routes).getValue()) {
127 final NodeIdentifierWithPredicates routeKey = createRouteKey(e);
128 function.apply(tx, base, routeKey, e, attributes);
131 LOG.warn("Routes {} are not a map", routes);
137 private NodeIdentifierWithPredicates createRouteKey(final UnkeyedListEntryNode e) {
138 final Optional<DataContainerChild<? extends PathArgument, ?>> maybeKeyLeaf = e.getChild(routeKeyLeafIdentifier());
139 Preconditions.checkState(maybeKeyLeaf.isPresent());
141 // FIXME: a cache here would mean we instantiate the same identifier for each route
142 // making comparison quicker.
143 final Object keyValue = ((LeafNode<?>) maybeKeyLeaf.get()).getValue();
144 return new NodeIdentifierWithPredicates(routeQName(), keyLeafQName(), keyValue);
149 protected void putDestinationRoutes(final DOMDataWriteTransaction tx, final YangInstanceIdentifier tablePath, final ContainerNode destination,
150 final ContainerNode attributes, final NodeIdentifier routesNodeId) {
151 processDestination(tx, tablePath.node(routesNodeId), destination, attributes, this.putRoute);
155 protected void deleteDestinationRoutes(final DOMDataWriteTransaction tx, final YangInstanceIdentifier tablePath,
156 final ContainerNode destination, final NodeIdentifier routesNodeId) {
157 processDestination(tx, tablePath.node(routesNodeId), destination, null, DELETE_ROUTE);