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 com.google.common.base.Optional;
12 import io.netty.buffer.ByteBuf;
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.rev100924.AsNumber;
21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.AreaIdentifier;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.DomainIdentifier;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.NlriType;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.OspfInterfaceIdentifier;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.isis.lan.identifier.IsIsRouterIdentifierBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.ObjectType;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.NodeCase;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.NodeCaseBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.link._case.LocalNodeDescriptors;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.link._case.LocalNodeDescriptorsBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.link._case.RemoteNodeDescriptors;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.link._case.RemoteNodeDescriptorsBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.node._case.NodeDescriptors;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.node._case.NodeDescriptorsBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.prefix._case.AdvertisingNodeDescriptors;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.linkstate.object.type.prefix._case.AdvertisingNodeDescriptorsBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.CRouterIdentifier;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.IsisNodeCase;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.IsisNodeCaseBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.IsisPseudonodeCase;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.IsisPseudonodeCaseBuilder;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.OspfNodeCase;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.OspfNodeCaseBuilder;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.OspfPseudonodeCaseBuilder;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.isis.node._case.IsisNode;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.isis.node._case.IsisNodeBuilder;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.isis.pseudonode._case.IsisPseudonode;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.isis.pseudonode._case.IsisPseudonodeBuilder;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.ospf.node._case.OspfNode;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.ospf.node._case.OspfNodeBuilder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.node.identifier.c.router.identifier.ospf.pseudonode._case.OspfPseudonode;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.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.data.api.YangInstanceIdentifier.NodeIdentifier;
57 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
58 import org.opendaylight.yangtools.yang.data.api.schema.ChoiceNode;
59 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
60 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
62 public final class NodeNlriParser extends AbstractNlriTypeCodec {
64 /* Node Descriptor QNames */
66 public static final NodeIdentifier AS_NUMBER_NID = new NodeIdentifier(AsNumTlvParser.AS_NUMBER_QNAME);
68 public static final NodeIdentifier AREA_NID = new NodeIdentifier(AreaIdTlvParser.AREA_ID_QNAME);
70 public static final NodeIdentifier DOMAIN_NID = new NodeIdentifier(DomainIdTlvParser.DOMAIN_ID_QNAME);
72 private static final NodeIdentifier ROUTER_NID = new NodeIdentifier(CRouterIdentifier.QNAME);
74 public static final NodeIdentifier BGP_ROUTER_NID = new NodeIdentifier(BgpRouterIdTlvParser.BGP_ROUTER_ID_QNAME);
76 public static final NodeIdentifier MEMBER_ASN_NID = new NodeIdentifier(MemAsNumTlvParser.MEMBER_AS_NUMBER_QNAME);
78 /* Router Identifier QNames */
80 public static final NodeIdentifier ISIS_NODE_NID = new NodeIdentifier(IsisNode.QNAME);
82 public static final NodeIdentifier ISIS_PSEUDONODE_NID = new NodeIdentifier(IsisPseudonode.QNAME);
84 public static final NodeIdentifier OSPF_NODE_NID = new NodeIdentifier(OspfNode.QNAME);
86 private static final NodeIdentifier OSPF_PSEUDONODE_NID = new NodeIdentifier(OspfPseudonode.QNAME);
88 public static final NodeIdentifier ISO_SYSTEM_NID = new NodeIdentifier(QName.create(NodeDescriptors.QNAME, "iso-system-id").intern());
90 public static final NodeIdentifier ISIS_ROUTER_NID = new NodeIdentifier(QName.create(NodeDescriptors.QNAME, "is-is-router-identifier").intern());
92 public static final NodeIdentifier PSN_NID = new NodeIdentifier(QName.create(NodeDescriptors.QNAME, "psn").intern());
94 public static final NodeIdentifier OSPF_ROUTER_NID = new NodeIdentifier(QName.create(NodeDescriptors.QNAME, "ospf-router-id").intern());
95 private static final NodeIdentifier LAN_IFACE_NID = new NodeIdentifier(QName.create(NodeDescriptors.QNAME, "lan-interface").intern());
98 protected ObjectType parseObjectType(final ByteBuf buffer) {
99 final NodeCaseBuilder builder = new NodeCaseBuilder();
100 builder.setNodeDescriptors(new NodeDescriptorsBuilder((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.bgp.linkstate.rev150210.NodeIdentifier) SimpleNlriTypeRegistry.getInstance().parseTlv(buffer)).build());
101 return builder.build();
105 protected void serializeObjectType(final ObjectType objectType, final ByteBuf buffer) {
106 final NodeCase node = (NodeCase) objectType;
107 SimpleNlriTypeRegistry.getInstance().serializeTlv(NodeDescriptors.QNAME, node.getNodeDescriptors(), buffer);
111 public int getNlriType() {
112 return NlriType.Node.getIntValue();
115 private static IsisNodeCase serializeIsisNode(final ContainerNode isis) {
116 final IsisNodeCaseBuilder builder = new IsisNodeCaseBuilder();
117 final IsisNodeBuilder isisBuilder = new IsisNodeBuilder();
118 isisBuilder.setIsoSystemId(new IsoSystemIdentifier((byte[]) isis.getChild(ISO_SYSTEM_NID).get().getValue()));
119 builder.setIsisNode(isisBuilder.build());
120 return builder.build();
123 private static IsisPseudonodeCase serializeIsisPseudoNode(final ContainerNode pseudoIsisNode) {
124 final IsIsRouterIdentifierBuilder isisRouterId = new IsIsRouterIdentifierBuilder();
125 if (pseudoIsisNode.getChild(ISIS_ROUTER_NID).isPresent()) {
126 final ContainerNode isisRouterNid = (ContainerNode) pseudoIsisNode.getChild(ISIS_ROUTER_NID).get();
127 if (isisRouterNid.getChild(ISO_SYSTEM_NID).isPresent()) {
128 isisRouterId.setIsoSystemId(new IsoSystemIdentifier((byte[]) isisRouterNid.getChild(ISO_SYSTEM_NID).get().getValue()));
132 final IsisPseudonodeBuilder nodeBuilder = new IsisPseudonodeBuilder();
133 nodeBuilder.setIsIsRouterIdentifier(isisRouterId.build());
135 if (pseudoIsisNode.getChild(PSN_NID).isPresent()) {
136 nodeBuilder.setPsn((Short) pseudoIsisNode.getChild(PSN_NID).get().getValue());
138 nodeBuilder.setPsn((short) 0);
141 return new IsisPseudonodeCaseBuilder().setIsisPseudonode(nodeBuilder.build()).build();
144 private static OspfNodeCase serializeOspfNode(final ContainerNode ospf) {
145 final OspfNodeCaseBuilder builder = new OspfNodeCaseBuilder();
146 if (ospf.getChild(OSPF_ROUTER_NID).isPresent()) {
147 final OspfNodeBuilder nodeBuilder = new OspfNodeBuilder();
148 nodeBuilder.setOspfRouterId((Long) ospf.getChild(OSPF_ROUTER_NID).get().getValue());
149 builder.setOspfNode(nodeBuilder.build());
151 return builder.build();
154 private static CRouterIdentifier serializeOspfPseudoNode(final ContainerNode ospfPseudonode) {
155 final OspfPseudonodeCaseBuilder builder = new OspfPseudonodeCaseBuilder();
156 final OspfPseudonodeBuilder nodeBuilder = new OspfPseudonodeBuilder();
157 if (ospfPseudonode.getChild(LAN_IFACE_NID).isPresent()) {
158 nodeBuilder.setLanInterface(new OspfInterfaceIdentifier((Long)ospfPseudonode.getChild(LAN_IFACE_NID).get().getValue()));
160 if (ospfPseudonode.getChild(OSPF_ROUTER_NID).isPresent()) {
161 nodeBuilder.setOspfRouterId((Long)ospfPseudonode.getChild(OSPF_ROUTER_NID).get().getValue());
163 builder.setOspfPseudonode(nodeBuilder.build());
164 return builder.build();
167 private static CRouterIdentifier serializeRouterId(final ContainerNode descriptorsData) {
168 CRouterIdentifier cRouterId = null;
169 final Optional<DataContainerChild<? extends PathArgument, ?>> maybeRouterId = descriptorsData.getChild(ROUTER_NID);
170 if (maybeRouterId.isPresent()) {
171 final ChoiceNode routerId = (ChoiceNode) maybeRouterId.get();
172 if (routerId.getChild(ISIS_NODE_NID).isPresent()) {
173 cRouterId = serializeIsisNode((ContainerNode) routerId.getChild(ISIS_NODE_NID).get());
174 } else if (routerId.getChild(ISIS_PSEUDONODE_NID).isPresent()) {
175 cRouterId = serializeIsisPseudoNode((ContainerNode) routerId.getChild(ISIS_PSEUDONODE_NID).get());
176 } else if (routerId.getChild(OSPF_NODE_NID).isPresent()) {
177 cRouterId = serializeOspfNode((ContainerNode) routerId.getChild(OSPF_NODE_NID).get());
178 } else if (routerId.getChild(OSPF_PSEUDONODE_NID).isPresent()) {
179 cRouterId = serializeOspfPseudoNode((ContainerNode) routerId.getChild(OSPF_PSEUDONODE_NID).get());
185 private static AsNumber serializeAsNumber(final ContainerNode descriptorsData) {
186 final Optional<DataContainerChild<? extends PathArgument, ?>> asNumber = descriptorsData.getChild(AS_NUMBER_NID);
187 if (asNumber.isPresent()) {
188 return new AsNumber((Long) asNumber.get().getValue());
193 private static DomainIdentifier serializeDomainId(final ContainerNode descriptorsData) {
194 final Optional<DataContainerChild<? extends PathArgument, ?>> domainId = descriptorsData.getChild(DOMAIN_NID);
195 if (domainId.isPresent()) {
196 return new DomainIdentifier((Long) domainId.get().getValue());
201 private static AreaIdentifier serializeAreaId(final ContainerNode descriptorsData) {
202 final Optional<DataContainerChild<? extends PathArgument, ?>> areaId = descriptorsData.getChild(AREA_NID);
203 if (areaId.isPresent()) {
204 return new AreaIdentifier((Long) areaId.get().getValue());
209 private static Ipv4Address serializeBgpRouterId(final ContainerNode descriptorsData) {
210 final Optional<DataContainerChild<? extends PathArgument, ?>> bgpRouterId = descriptorsData.getChild(BGP_ROUTER_NID);
211 if (bgpRouterId.isPresent()) {
212 return new Ipv4Address((String) bgpRouterId.get().getValue());
217 private static AsNumber serializeMemberAsn(final ContainerNode descriptorsData) {
218 final Optional<DataContainerChild<? extends PathArgument, ?>> memberAsn = descriptorsData.getChild(MEMBER_ASN_NID);
219 if (memberAsn.isPresent()) {
220 return new AsNumber((Long) memberAsn.get().getValue());
225 static LocalNodeDescriptors serializeLocalNodeDescriptors(final ContainerNode descriptorsData) {
226 final LocalNodeDescriptorsBuilder builder = new LocalNodeDescriptorsBuilder();
227 builder.setAsNumber(serializeAsNumber(descriptorsData));
228 builder.setDomainId(serializeDomainId(descriptorsData));
229 builder.setAreaId(serializeAreaId(descriptorsData));
230 builder.setCRouterIdentifier(serializeRouterId(descriptorsData));
231 builder.setBgpRouterId(serializeBgpRouterId(descriptorsData));
232 builder.setMemberAsn(serializeMemberAsn(descriptorsData));
233 return builder.build();
236 static RemoteNodeDescriptors serializeRemoteNodeDescriptors(final ContainerNode descriptorsData) {
237 final RemoteNodeDescriptorsBuilder builder = new RemoteNodeDescriptorsBuilder();
238 builder.setAsNumber(serializeAsNumber(descriptorsData));
239 builder.setDomainId(serializeDomainId(descriptorsData));
240 builder.setAreaId(serializeAreaId(descriptorsData));
241 builder.setCRouterIdentifier(serializeRouterId(descriptorsData));
242 builder.setBgpRouterId(serializeBgpRouterId(descriptorsData));
243 builder.setMemberAsn(serializeMemberAsn(descriptorsData));
244 return builder.build();
247 static AdvertisingNodeDescriptors serializeAdvNodeDescriptors(final ContainerNode descriptorsData) {
248 final AdvertisingNodeDescriptorsBuilder builder = new AdvertisingNodeDescriptorsBuilder();
249 builder.setAsNumber(serializeAsNumber(descriptorsData));
250 builder.setDomainId(serializeDomainId(descriptorsData));
251 builder.setAreaId(serializeAreaId(descriptorsData));
252 builder.setCRouterIdentifier(serializeRouterId(descriptorsData));
253 return builder.build();
256 static NodeDescriptors serializeNodeDescriptors(final ContainerNode descriptorsData) {
257 final NodeDescriptorsBuilder builder = new NodeDescriptorsBuilder();
258 builder.setAsNumber(serializeAsNumber(descriptorsData));
259 builder.setDomainId(serializeDomainId(descriptorsData));
260 builder.setAreaId(serializeAreaId(descriptorsData));
261 builder.setCRouterIdentifier(serializeRouterId(descriptorsData));
262 return builder.build();