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 static java.util.Objects.requireNonNull;
12 import com.google.common.base.Preconditions;
13 import com.google.common.collect.ImmutableSet;
14 import com.google.common.collect.ImmutableSet.Builder;
16 import org.opendaylight.mdsal.binding.dom.codec.api.BindingCodecTree;
17 import org.opendaylight.mdsal.binding.dom.codec.api.BindingDataObjectCodecTreeNode;
18 import org.opendaylight.mdsal.binding.dom.codec.api.BindingNormalizedNodeCachingCodec;
19 import org.opendaylight.mdsal.binding.dom.codec.api.CommonDataObjectCodecTreeNode;
20 import org.opendaylight.protocol.bgp.rib.impl.spi.Codecs;
21 import org.opendaylight.protocol.bgp.rib.spi.RIBSupport;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.ClusterId;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.OriginatorId;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.Update;
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.message.rev200120.path.attributes.AttributesBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Aggregator;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.AsPath;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Communities;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.ExtendedCommunities;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.LocalPref;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.MultiExitDisc;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.Origin;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.message.rev200120.path.attributes.attributes.UnrecognizedAttributes;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.AttributesReach;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.AttributesUnreach;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.reach.MpReachNlri;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.multiprotocol.rev180329.attributes.unreach.MpUnreachNlri;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.BgpRib;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.Route;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.Rib;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.bgp.rib.rib.LocRib;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.Tables;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.rib.rev180329.rib.tables.Routes;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.BgpAggregator;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.Community;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.types.rev200120.ExtendedCommunity;
48 import org.opendaylight.yangtools.yang.binding.BindingObject;
49 import org.opendaylight.yangtools.yang.binding.DataObject;
50 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
51 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
52 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
54 public final class CodecsImpl implements Codecs {
56 private static final Set<Class<? extends DataObject>> ATTRIBUTE_CACHEABLES;
57 private static final InstanceIdentifier<Tables> TABLE_BASE_II = InstanceIdentifier.builder(BgpRib.class)
64 final Builder<Class<? extends DataObject>> acb = ImmutableSet.builder();
65 acb.add(Aggregator.class);
66 acb.add(BgpAggregator.class);
67 acb.add(AsPath.class);
68 acb.add(ClusterId.class);
69 acb.add(Community.class);
70 acb.add(Communities.class);
71 acb.add(ExtendedCommunity.class);
72 acb.add(ExtendedCommunities.class);
73 acb.add(LocalPref.class);
74 acb.add(MultiExitDisc.class);
75 acb.add(Origin.class);
76 acb.add(OriginatorId.class);
77 acb.add(UnrecognizedAttributes.class);
78 ATTRIBUTE_CACHEABLES = acb.build();
81 private final ImmutableSet<Class<? extends BindingObject>> cacheableAttributes;
82 private BindingNormalizedNodeCachingCodec<Attributes> attributesCodec;
83 private BindingNormalizedNodeCachingCodec<MpReachNlri> reachNlriCodec;
84 private BindingNormalizedNodeCachingCodec<MpUnreachNlri> unreachNlriCodec;
86 private final RIBSupport<?, ?> ribSupport;
88 public CodecsImpl(final RIBSupport<?, ?> ribSupport) {
89 this.ribSupport = requireNonNull(ribSupport);
90 final Builder<Class<? extends BindingObject>> acb = ImmutableSet.builder();
91 acb.addAll(ATTRIBUTE_CACHEABLES);
92 acb.addAll(this.ribSupport.cacheableAttributeObjects());
93 cacheableAttributes = acb.build();
97 @SuppressWarnings("unchecked")
98 public void onCodecTreeUpdated(final BindingCodecTree tree) {
100 final CommonDataObjectCodecTreeNode<Tables> codecContext = tree.getSubtreeCodec(TABLE_BASE_II);
101 if (!(codecContext instanceof BindingDataObjectCodecTreeNode tableCodecContext)) {
102 throw new IllegalStateException("Unexpected table codec " + codecContext);
105 final BindingDataObjectCodecTreeNode<? extends Route> routeListCodec = tableCodecContext
106 .getStreamChild(Routes.class)
107 .getStreamChild(ribSupport.routesCaseClass())
108 .getStreamChild(ribSupport.routesContainerClass())
109 .getStreamDataObject(ribSupport.routesListClass());
111 attributesCodec = routeListCodec.getStreamDataObject(Attributes.class)
112 .createCachingCodec(cacheableAttributes);
114 final var attrCodec = tree.getStreamChild(Update.class).getStreamChild(Attributes.class);
115 reachNlriCodec = attrCodec.getStreamChild(AttributesReach.class)
116 .getStreamDataObject(MpReachNlri.class)
117 .createCachingCodec(ribSupport.cacheableNlriObjects());
118 unreachNlriCodec = attrCodec.getStreamChild(AttributesUnreach.class)
119 .getStreamDataObject(MpUnreachNlri.class)
120 .createCachingCodec(ribSupport.cacheableNlriObjects());
124 public ContainerNode serializeUnreachNlri(final MpUnreachNlri nlri) {
125 Preconditions.checkState(unreachNlriCodec != null, "MpReachNlri codec not available");
126 return (ContainerNode) unreachNlriCodec.serialize(nlri);
130 public ContainerNode serializeReachNlri(final MpReachNlri nlri) {
131 Preconditions.checkState(reachNlriCodec != null, "MpReachNlri codec not available");
132 return (ContainerNode) reachNlriCodec.serialize(nlri);
136 public Attributes deserializeAttributes(final NormalizedNode attributes) {
137 Preconditions.checkState(attributesCodec != null, "Attributes codec not available");
138 return attributesCodec.deserialize(attributes);
142 public ContainerNode serializeAttributes(final Attributes pathAttr) {
143 Preconditions.checkState(attributesCodec != null, "Attributes codec not available");
144 final AttributesBuilder a = new AttributesBuilder(pathAttr);
145 a.removeAugmentation(AttributesReach.class);
146 a.removeAugmentation(AttributesUnreach.class);
147 return (ContainerNode) attributesCodec.serialize(a.build());