2 * Copyright (c) 2014 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.linkstate.impl.nlri;
10 import com.google.common.annotations.VisibleForTesting;
11 import io.netty.buffer.ByteBuf;
12 import java.util.Optional;
13 import org.opendaylight.protocol.bgp.linkstate.impl.tlvs.AreaIdTlvParser;
14 import org.opendaylight.protocol.bgp.linkstate.impl.tlvs.AsNumTlvParser;
15 import org.opendaylight.protocol.bgp.linkstate.impl.tlvs.BgpRouterIdTlvParser;
16 import org.opendaylight.protocol.bgp.linkstate.impl.tlvs.DomainIdTlvParser;
17 import org.opendaylight.protocol.bgp.linkstate.impl.tlvs.MemAsNumTlvParser;
18 import org.opendaylight.protocol.bgp.linkstate.spi.AbstractNlriTypeCodec;
19 import org.opendaylight.protocol.bgp.linkstate.spi.pojo.SimpleNlriTypeRegistry;
20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.AsNumber;
21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.AreaIdentifier;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.DomainIdentifier;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.NlriType;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.OspfInterfaceIdentifier;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.isis.lan.identifier.IsIsRouterIdentifierBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.ObjectType;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.object.type.NodeCase;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.object.type.NodeCaseBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.object.type.link._case.LocalNodeDescriptors;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.object.type.link._case.LocalNodeDescriptorsBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.object.type.link._case.RemoteNodeDescriptors;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.object.type.link._case.RemoteNodeDescriptorsBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.object.type.node._case.NodeDescriptors;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.object.type.node._case.NodeDescriptorsBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.object.type.prefix._case.AdvertisingNodeDescriptors;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.linkstate.object.type.prefix._case.AdvertisingNodeDescriptorsBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.identifier.CRouterIdentifier;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.identifier.c.router.identifier.IsisNodeCase;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.identifier.c.router.identifier.IsisNodeCaseBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.identifier.c.router.identifier.IsisPseudonodeCase;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.identifier.c.router.identifier.IsisPseudonodeCaseBuilder;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.identifier.c.router.identifier.OspfNodeCase;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.identifier.c.router.identifier.OspfNodeCaseBuilder;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.identifier.c.router.identifier.OspfPseudonodeCaseBuilder;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.identifier.c.router.identifier.isis.node._case.IsisNode;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.identifier.c.router.identifier.isis.node._case.IsisNodeBuilder;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.identifier.c.router.identifier.isis.pseudonode._case.IsisPseudonode;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.identifier.c.router.identifier.isis.pseudonode._case.IsisPseudonodeBuilder;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.identifier.c.router.identifier.ospf.node._case.OspfNode;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.identifier.c.router.identifier.ospf.node._case.OspfNodeBuilder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.identifier.c.router.identifier.ospf.pseudonode._case.OspfPseudonode;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev180329.node.identifier.c.router.identifier.ospf.pseudonode._case.OspfPseudonodeBuilder;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.IsoSystemIdentifier;
55 import org.opendaylight.yangtools.yang.common.QName;
56 import org.opendaylight.yangtools.yang.common.Uint32;
57 import org.opendaylight.yangtools.yang.common.Uint8;
58 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
59 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
60 import org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode;
61 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
62 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
64 public final class NodeNlriParser extends AbstractNlriTypeCodec {
66 /* Node Descriptor QNames */
68 public static final NodeIdentifier AS_NUMBER_NID = NodeIdentifier.create(AsNumTlvParser.AS_NUMBER_QNAME);
70 public static final NodeIdentifier AREA_NID = NodeIdentifier.create(AreaIdTlvParser.AREA_ID_QNAME);
72 public static final NodeIdentifier DOMAIN_NID = NodeIdentifier.create(DomainIdTlvParser.DOMAIN_ID_QNAME);
74 private static final NodeIdentifier ROUTER_NID = NodeIdentifier.create(CRouterIdentifier.QNAME);
76 public static final NodeIdentifier BGP_ROUTER_NID = NodeIdentifier.create(BgpRouterIdTlvParser.BGP_ROUTER_ID_QNAME);
78 public static final NodeIdentifier MEMBER_ASN_NID = NodeIdentifier.create(MemAsNumTlvParser.MEMBER_AS_NUMBER_QNAME);
80 /* Router Identifier QNames */
82 public static final NodeIdentifier ISIS_NODE_NID = NodeIdentifier.create(IsisNode.QNAME);
84 public static final NodeIdentifier ISIS_PSEUDONODE_NID = NodeIdentifier.create(IsisPseudonode.QNAME);
86 public static final NodeIdentifier OSPF_NODE_NID = NodeIdentifier.create(OspfNode.QNAME);
88 private static final NodeIdentifier OSPF_PSEUDONODE_NID = NodeIdentifier.create(OspfPseudonode.QNAME);
90 public static final NodeIdentifier ISO_SYSTEM_NID = NodeIdentifier.create(
91 QName.create(NodeDescriptors.QNAME, "iso-system-id"));
93 public static final NodeIdentifier ISIS_ROUTER_NID = NodeIdentifier.create(
94 QName.create(NodeDescriptors.QNAME, "is-is-router-identifier").intern());
96 public static final NodeIdentifier PSN_NID = NodeIdentifier.create(
97 QName.create(NodeDescriptors.QNAME, "psn").intern());
99 public static final NodeIdentifier OSPF_ROUTER_NID = NodeIdentifier.create(
100 QName.create(NodeDescriptors.QNAME, "ospf-router-id").intern());
101 private static final NodeIdentifier LAN_IFACE_NID = NodeIdentifier.create(
102 QName.create(NodeDescriptors.QNAME, "lan-interface").intern());
105 protected ObjectType parseObjectType(final ByteBuf buffer) {
106 final NodeCaseBuilder builder = new NodeCaseBuilder();
107 builder.setNodeDescriptors(new NodeDescriptorsBuilder((org.opendaylight.yang.gen.v1.urn.opendaylight.params
108 .xml.ns.yang.bgp.linkstate.rev180329.NodeIdentifier) SimpleNlriTypeRegistry.getInstance()
109 .parseTlv(buffer)).build());
110 return builder.build();
114 protected void serializeObjectType(final ObjectType objectType, final ByteBuf buffer) {
115 final NodeCase node = (NodeCase) objectType;
116 SimpleNlriTypeRegistry.getInstance().serializeTlv(NodeDescriptors.QNAME, node.getNodeDescriptors(), buffer);
120 public int getNlriType() {
121 return NlriType.Node.getIntValue();
124 private static IsisNodeCase serializeIsisNode(final ContainerNode isis) {
125 return new IsisNodeCaseBuilder()
126 .setIsisNode(new IsisNodeBuilder().setIsoSystemId(
127 new IsoSystemIdentifier((byte[]) isis.getChild(ISO_SYSTEM_NID).get().getValue())).build())
131 private static IsisPseudonodeCase serializeIsisPseudoNode(final ContainerNode pseudoIsisNode) {
132 final IsIsRouterIdentifierBuilder isisRouterId = new IsIsRouterIdentifierBuilder();
133 if (pseudoIsisNode.getChild(ISIS_ROUTER_NID).isPresent()) {
134 final ContainerNode isisRouterNid = (ContainerNode) pseudoIsisNode.getChild(ISIS_ROUTER_NID).get();
135 if (isisRouterNid.getChild(ISO_SYSTEM_NID).isPresent()) {
136 isisRouterId.setIsoSystemId(new IsoSystemIdentifier((byte[]) isisRouterNid.getChild(ISO_SYSTEM_NID)
141 final IsisPseudonodeBuilder nodeBuilder = new IsisPseudonodeBuilder();
142 nodeBuilder.setIsIsRouterIdentifier(isisRouterId.build());
144 if (pseudoIsisNode.getChild(PSN_NID).isPresent()) {
145 nodeBuilder.setPsn((Uint8) pseudoIsisNode.getChild(PSN_NID).get().getValue());
147 nodeBuilder.setPsn(Uint8.ZERO);
150 return new IsisPseudonodeCaseBuilder().setIsisPseudonode(nodeBuilder.build()).build();
153 private static OspfNodeCase serializeOspfNode(final ContainerNode ospf) {
154 final OspfNodeCaseBuilder builder = new OspfNodeCaseBuilder();
155 if (ospf.getChild(OSPF_ROUTER_NID).isPresent()) {
156 final OspfNodeBuilder nodeBuilder = new OspfNodeBuilder();
157 nodeBuilder.setOspfRouterId((Uint32) ospf.getChild(OSPF_ROUTER_NID).get().getValue());
158 builder.setOspfNode(nodeBuilder.build());
160 return builder.build();
163 private static CRouterIdentifier serializeOspfPseudoNode(final ContainerNode ospfPseudonode) {
164 final OspfPseudonodeCaseBuilder builder = new OspfPseudonodeCaseBuilder();
165 final OspfPseudonodeBuilder nodeBuilder = new OspfPseudonodeBuilder();
166 if (ospfPseudonode.getChild(LAN_IFACE_NID).isPresent()) {
167 nodeBuilder.setLanInterface(new OspfInterfaceIdentifier((Uint32)ospfPseudonode.getChild(LAN_IFACE_NID)
170 if (ospfPseudonode.getChild(OSPF_ROUTER_NID).isPresent()) {
171 nodeBuilder.setOspfRouterId((Uint32)ospfPseudonode.getChild(OSPF_ROUTER_NID).get().getValue());
173 builder.setOspfPseudonode(nodeBuilder.build());
174 return builder.build();
177 private static CRouterIdentifier serializeRouterId(final ContainerNode descriptorsData) {
178 CRouterIdentifier ret = null;
179 final Optional<DataContainerChild<? extends PathArgument, ?>> maybeRouterId =
180 descriptorsData.getChild(ROUTER_NID);
181 if (maybeRouterId.isPresent()) {
182 final ChoiceNode routerId = (ChoiceNode) maybeRouterId.get();
183 if (routerId.getChild(ISIS_NODE_NID).isPresent()) {
184 ret = serializeIsisNode((ContainerNode) routerId.getChild(ISIS_NODE_NID).get());
185 } else if (routerId.getChild(ISIS_PSEUDONODE_NID).isPresent()) {
186 ret = serializeIsisPseudoNode((ContainerNode) routerId.getChild(ISIS_PSEUDONODE_NID).get());
187 } else if (routerId.getChild(OSPF_NODE_NID).isPresent()) {
188 ret = serializeOspfNode((ContainerNode) routerId.getChild(OSPF_NODE_NID).get());
189 } else if (routerId.getChild(OSPF_PSEUDONODE_NID).isPresent()) {
190 ret = serializeOspfPseudoNode((ContainerNode) routerId.getChild(OSPF_PSEUDONODE_NID).get());
196 private static AsNumber serializeAsNumber(final ContainerNode descriptorsData) {
197 return descriptorsData.getChild(AS_NUMBER_NID).map(
198 dataContainerChild -> new AsNumber((Uint32) dataContainerChild.getValue())).orElse(null);
201 private static DomainIdentifier serializeDomainId(final ContainerNode descriptorsData) {
202 return descriptorsData.getChild(DOMAIN_NID).map(
203 dataContainerChild -> new DomainIdentifier((Uint32) dataContainerChild.getValue())).orElse(null);
206 private static AreaIdentifier serializeAreaId(final ContainerNode descriptorsData) {
207 return descriptorsData.getChild(AREA_NID).map(
208 dataContainerChild -> new AreaIdentifier((Uint32) dataContainerChild.getValue())).orElse(null);
211 private static Ipv4AddressNoZone serializeBgpRouterId(final ContainerNode descriptorsData) {
212 return descriptorsData.getChild(BGP_ROUTER_NID).map(
213 dataContainerChild -> new Ipv4AddressNoZone((String) dataContainerChild.getValue())).orElse(null);
216 private static AsNumber serializeMemberAsn(final ContainerNode descriptorsData) {
217 return descriptorsData.getChild(MEMBER_ASN_NID).map(
218 dataContainerChild -> new AsNumber((Uint32) dataContainerChild.getValue())).orElse(null);
221 static LocalNodeDescriptors serializeLocalNodeDescriptors(final ContainerNode descriptorsData) {
222 return new LocalNodeDescriptorsBuilder()
223 .setAsNumber(serializeAsNumber(descriptorsData))
224 .setDomainId(serializeDomainId(descriptorsData))
225 .setAreaId(serializeAreaId(descriptorsData))
226 .setCRouterIdentifier(serializeRouterId(descriptorsData))
227 .setBgpRouterId(serializeBgpRouterId(descriptorsData))
228 .setMemberAsn(serializeMemberAsn(descriptorsData))
232 static RemoteNodeDescriptors serializeRemoteNodeDescriptors(final ContainerNode descriptorsData) {
233 return new RemoteNodeDescriptorsBuilder()
234 .setAsNumber(serializeAsNumber(descriptorsData))
235 .setDomainId(serializeDomainId(descriptorsData))
236 .setAreaId(serializeAreaId(descriptorsData))
237 .setCRouterIdentifier(serializeRouterId(descriptorsData))
238 .setBgpRouterId(serializeBgpRouterId(descriptorsData))
239 .setMemberAsn(serializeMemberAsn(descriptorsData))
243 static AdvertisingNodeDescriptors serializeAdvNodeDescriptors(final ContainerNode descriptorsData) {
244 return new AdvertisingNodeDescriptorsBuilder()
245 .setAsNumber(serializeAsNumber(descriptorsData))
246 .setDomainId(serializeDomainId(descriptorsData))
247 .setAreaId(serializeAreaId(descriptorsData))
248 .setCRouterIdentifier(serializeRouterId(descriptorsData))
252 static NodeDescriptors serializeNodeDescriptors(final ContainerNode descriptorsData) {
253 return new NodeDescriptorsBuilder()
254 .setAsNumber(serializeAsNumber(descriptorsData))
255 .setDomainId(serializeDomainId(descriptorsData))
256 .setAreaId(serializeAreaId(descriptorsData))
257 .setCRouterIdentifier(serializeRouterId(descriptorsData))