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.dom.api.DOMDataWriteTransaction;
16 import org.opendaylight.protocol.bgp.rib.spi.AbstractRIBSupport;
17 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.Route;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev130925.rib.tables.Routes;
19 import org.opendaylight.yangtools.yang.binding.DataObject;
20 import org.opendaylight.yangtools.yang.common.QName;
21 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
22 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
23 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
24 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
25 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
26 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
27 import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
28 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListEntryNode;
29 import org.opendaylight.yangtools.yang.data.api.schema.UnkeyedListNode;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
34 * Common {@link org.opendaylight.protocol.bgp.rib.spi.RIBSupport} class for IPv4 and IPv6 addresses.
36 abstract class AbstractIPRIBSupport extends AbstractRIBSupport {
37 private static final Logger LOG = LoggerFactory.getLogger(AbstractIPRIBSupport.class);
39 protected AbstractIPRIBSupport(final Class<? extends Routes> cazeClass,
40 final Class<? extends DataObject> containerClass, final Class<? extends Route> listClass) {
41 super(cazeClass, containerClass, listClass);
45 * Return the NodeIdentifier corresponding to the list containing individual routes.
47 * @return The NodeIdentifier for individual route list.
49 @Nonnull protected abstract NodeIdentifier routeIdentifier();
52 * Return the NodeIdentifier corresponding to the list containing individual routes.
54 * @return The NodeIdentifier for individual route list.
56 @Nonnull protected abstract NodeIdentifier nlriRoutesListIdentifier();
59 @Nonnull protected abstract NodeIdentifier routeKeyLeafIdentifier();
61 @Nonnull protected abstract QName keyLeafQName();
63 @Nonnull protected abstract QName routeQName();
67 public final ImmutableCollection<Class<? extends DataObject>> cacheableAttributeObjects() {
68 return ImmutableSet.of();
72 public final boolean isComplexRoute() {
76 private void processDestination(final DOMDataWriteTransaction tx, final YangInstanceIdentifier routesPath,
77 final ContainerNode destination, final ContainerNode attributes, final ApplyRoute function) {
78 if (destination != null) {
79 final Optional<DataContainerChild<? extends PathArgument, ?>> maybeRoutes = destination.getChild(nlriRoutesListIdentifier());
80 if (maybeRoutes.isPresent()) {
81 final DataContainerChild<? extends PathArgument, ?> routes = maybeRoutes.get();
82 if (routes instanceof UnkeyedListNode) {
83 // Instance identifier to table/(choice routes)/(map of route)
84 // FIXME: cache on per-table basis (in TableContext, for example)
85 final YangInstanceIdentifier base = routesPath.node(routesContainerIdentifier()).node(routeIdentifier());
86 for (final UnkeyedListEntryNode e : ((UnkeyedListNode)routes).getValue()) {
87 final NodeIdentifierWithPredicates routeKey = createRouteKey(e);
88 function.apply(tx, base, routeKey, e, attributes);
91 LOG.warn("Routes {} are not a map", routes);
97 private NodeIdentifierWithPredicates createRouteKey(final UnkeyedListEntryNode e) {
98 final Optional<DataContainerChild<? extends PathArgument, ?>> maybeKeyLeaf = e.getChild(routeKeyLeafIdentifier());
99 Preconditions.checkState(maybeKeyLeaf.isPresent());
101 // FIXME: a cache here would mean we instantiate the same identifier for each route
102 // making comparison quicker.
103 final Object keyValue = ((LeafNode<?>) maybeKeyLeaf.get()).getValue();
104 return new NodeIdentifierWithPredicates(routeQName(), keyLeafQName(), keyValue);
109 protected void putDestinationRoutes(final DOMDataWriteTransaction tx, final YangInstanceIdentifier tablePath, final ContainerNode destination,
110 final ContainerNode attributes, final NodeIdentifier routesNodeId) {
111 processDestination(tx, tablePath.node(routesNodeId), destination, attributes, this.putRoute);
115 protected void deleteDestinationRoutes(final DOMDataWriteTransaction tx, final YangInstanceIdentifier tablePath,
116 final ContainerNode destination, final NodeIdentifier routesNodeId) {
117 processDestination(tx, tablePath.node(routesNodeId), destination, null, DELETE_ROUTE);