2 * Copyright (c) 2013 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.pcep.parser.message;
10 import com.google.common.base.Preconditions;
11 import io.netty.buffer.ByteBuf;
12 import io.netty.buffer.Unpooled;
13 import java.util.ArrayList;
14 import java.util.List;
15 import java.util.Optional;
16 import org.opendaylight.protocol.pcep.spi.AbstractMessageParser;
17 import org.opendaylight.protocol.pcep.spi.MessageUtil;
18 import org.opendaylight.protocol.pcep.spi.ObjectRegistry;
19 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
20 import org.opendaylight.protocol.pcep.spi.PCEPErrors;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.Pcreq;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.PcreqBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Message;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Object;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.bandwidth.object.Bandwidth;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.bnc.object.BranchNodeType;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.bnc.object.branch.node.type.BranchNodeCase;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.bnc.object.branch.node.type.BranchNodeCaseBuilder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.bnc.object.branch.node.type.NonBranchNodeCase;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.bnc.object.branch.node.type.NonBranchNodeCaseBuilder;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.branch.node.object.BranchNodeList;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.classtype.object.ClassType;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.endpoints.object.EndpointsObj;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.exclude.route.object.Xro;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.gc.object.Gc;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.include.route.object.Iro;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.load.balancing.object.LoadBalancing;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.lsp.attributes.Metrics;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.lsp.attributes.MetricsBuilder;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.lspa.object.Lspa;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.metric.object.Metric;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.object.Monitoring;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.non.branch.node.object.NonBranchNodeList;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.of.object.Of;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.path.key.object.PathKey;
46 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcc.id.req.object.PccIdReq;
47 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pce.id.object.PceId;
48 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.PcreqMessage;
49 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.PcreqMessageBuilder;
50 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.MonitoringRequest;
51 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.MonitoringRequestBuilder;
52 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.Requests;
53 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.RequestsBuilder;
54 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.Svec;
55 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.SvecBuilder;
56 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.monitoring.request.PceIdList;
57 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.monitoring.request.PceIdListBuilder;
58 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.PathKeyExpansionBuilder;
59 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.SegmentComputation;
60 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.SegmentComputationBuilder;
61 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.P2mp;
62 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.P2mpBuilder;
63 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.P2p;
64 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.P2pBuilder;
65 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.p2mp.EndpointRroPair;
66 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.p2mp.EndpointRroPairBuilder;
67 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.p2mp.MetricBuilder;
68 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.p2mp.endpoint.rro.pair.Rros;
69 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.p2mp.endpoint.rro.pair.RrosBuilder;
70 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.p2mp.endpoint.rro.pair.rros.route.object.ReportedRouteObjectCase;
71 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.p2mp.endpoint.rro.pair.rros.route.object.ReportedRouteObjectCaseBuilder;
72 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.p2mp.endpoint.rro.pair.rros.route.object.SecondaryReportedRouteObjectCase;
73 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.p2mp.endpoint.rro.pair.rros.route.object.SecondaryReportedRouteObjectCaseBuilder;
74 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.p2mp.iro.bnc.choice.BncCase;
75 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.p2mp.iro.bnc.choice.BncCaseBuilder;
76 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.p2mp.iro.bnc.choice.IroCase;
77 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.p2mp.iro.bnc.choice.IroCaseBuilder;
78 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message.pcreq.message.requests.segment.computation.p2p.ReportedRoute;
79 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.reoptimization.bandwidth.object.ReoptimizationBandwidth;
80 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.reported.route.object.Rro;
81 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.rp.object.Rp;
82 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.secondary.reported.route.object.Srro;
83 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.vendor.information.objects.VendorInformationObject;
86 * Parser for {@link Pcreq}.
88 public class PCEPRequestMessageParser extends AbstractMessageParser {
90 public static final int TYPE = 3;
92 public PCEPRequestMessageParser(final ObjectRegistry registry) {
97 public void serializeMessage(final Message message, final ByteBuf out) {
98 Preconditions.checkArgument(message instanceof Pcreq,
99 "Wrong instance of Message. Passed instance of %s. Need Pcreq.", message.getClass());
100 final PcreqMessage msg = ((Pcreq) message).getPcreqMessage();
101 Preconditions.checkArgument(msg.getRequests() != null && !msg.getRequests().isEmpty(),
102 "Requests cannot be null or empty.");
103 final ByteBuf buffer = Unpooled.buffer();
104 if (msg.getMonitoringRequest() != null) {
105 serializeMonitoringRequest(msg.getMonitoringRequest(), buffer);
107 if (msg.getSvec() != null) {
108 serializeSvec(msg, buffer);
110 serializeRequest(msg, buffer);
111 MessageUtil.formatMessage(TYPE, buffer, out);
114 protected void serializeRequest(final PcreqMessage msg, final ByteBuf buffer) {
115 for (final Requests req : msg.getRequests()) {
116 serializeObject(req.getRp(), buffer);
117 serializeVendorInformationObjects(req.getVendorInformationObject(), buffer);
118 if (req.getPathKeyExpansion() != null) {
119 serializeObject(req.getPathKeyExpansion().getPathKey(), buffer);
121 if (req.getSegmentComputation() != null) {
122 final SegmentComputation sc = req.getSegmentComputation();
123 if (sc.getP2p() != null) {
124 serializeP2P(buffer, sc.getP2p());
126 if (sc.getP2mp() != null) {
127 serializeP2MP(buffer, sc.getP2mp());
133 protected void serializeSvec(final PcreqMessage msg, final ByteBuf buffer) {
134 for (final Svec s : msg.getSvec()) {
135 serializeObject(s.getSvec(), buffer);
136 serializeObject(s.getOf(), buffer);
137 serializeObject(s.getGc(), buffer);
138 serializeObject(s.getXro(), buffer);
139 if (s.getMetric() != null) {
140 for (final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq
141 .message.pcreq.message.svec.Metric m : s.getMetric()) {
142 serializeObject(m.getMetric(), buffer);
145 serializeVendorInformationObjects(s.getVendorInformationObject(), buffer);
149 protected void serializeP2P(final ByteBuf buffer, final P2p p2p) {
150 serializeObject(p2p.getEndpointsObj(), buffer);
151 serializeVendorInformationObjects(p2p.getVendorInformationObject(), buffer);
152 if (p2p.getReportedRoute() != null) {
153 final ReportedRoute rr = p2p.getReportedRoute();
155 serializeObject(rr.getRro(), buffer);
156 serializeObject(rr.getReoptimizationBandwidth(), buffer);
159 serializeObject(p2p.getLoadBalancing(), buffer);
160 serializeObject(p2p.getLspa(), buffer);
161 serializeObject(p2p.getBandwidth(), buffer);
162 if (p2p.getMetrics() != null) {
163 for (final Metrics m : p2p.getMetrics()) {
164 serializeObject(m.getMetric(), buffer);
167 serializeObject(p2p.getIro(), buffer);
168 serializeObject(p2p.getRro(), buffer);
169 serializeObject(p2p.getXro(), buffer);
170 serializeObject(p2p.getOf(), buffer);
171 serializeObject(p2p.getClassType(), buffer);
174 protected void serializeP2MP(final ByteBuf buffer, final P2mp p2mp) {
175 final List<EndpointRroPair> endpointRroPairList = p2mp.getEndpointRroPair();
176 if (endpointRroPairList == null || endpointRroPairList.isEmpty()) {
177 throw new IllegalStateException("At least one instance of Endpoint must be present in P2MP Request!");
179 endpointRroPairList.forEach(pair -> {
180 serializeObject(pair.getEndpointsObj(), buffer);
181 pair.getRros().forEach(rro -> {
182 if (rro.getRouteObject() instanceof ReportedRouteObjectCase) {
183 serializeObject(((ReportedRouteObjectCase) rro.getRouteObject()).getRro(), buffer);
184 } else if (rro.getRouteObject() instanceof SecondaryReportedRouteObjectCase) {
185 serializeObject(((SecondaryReportedRouteObjectCase) rro.getRouteObject()).getSrro(), buffer);
188 serializeObject(pair.getReoptimizationBandwidth(), buffer);
190 serializeObject(p2mp.getOf(), buffer);
191 serializeObject(p2mp.getLspa(), buffer);
192 serializeObject(p2mp.getBandwidth(), buffer);
193 if (p2mp.getMetric() != null) {
194 for (final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq
195 .message.pcreq.message.requests.segment.computation.p2mp.Metric m : p2mp.getMetric()) {
196 serializeObject(m.getMetric(), buffer);
199 if (p2mp.getIroBncChoice() instanceof IroCase) {
200 serializeObject(((IroCase) p2mp.getIroBncChoice()).getIro(), buffer);
201 } else if (p2mp.getIroBncChoice() instanceof BncCase) {
202 final BranchNodeType branchNodeType = ((BncCase) p2mp.getIroBncChoice()).getBranchNodeType();
203 if (branchNodeType instanceof BranchNodeCase) {
204 serializeObject(((BranchNodeCase) branchNodeType).getBranchNodeList(), buffer);
205 } else if (branchNodeType instanceof NonBranchNodeCase) {
206 serializeObject(((NonBranchNodeCase) branchNodeType).getNonBranchNodeList(), buffer);
209 serializeObject(p2mp.getLoadBalancing(), buffer);
212 protected void serializeMonitoringRequest(final MonitoringRequest monReq, final ByteBuf out) {
213 serializeObject(monReq.getMonitoring(), out);
214 serializeObject(monReq.getPccIdReq(), out);
215 if (monReq.getPceIdList() != null) {
216 for (final PceIdList pceId : monReq.getPceIdList()) {
217 serializeObject(pceId.getPceId(), out);
223 protected Message validate(final List<Object> objects, final List<Message> errors)
224 throws PCEPDeserializerException {
225 Preconditions.checkArgument(objects != null, "Passed list can't be null.");
226 if (objects.isEmpty()) {
227 throw new PCEPDeserializerException("Pcrep message cannot be empty.");
229 final PcreqMessageBuilder mBuilder = new PcreqMessageBuilder().setMonitoringRequest(getMonitoring(objects));
230 final List<Svec> svecs = getSvecs(objects);
231 if (!svecs.isEmpty()) {
232 mBuilder.setSvec(svecs);
234 final List<Requests> requests = getRequests(objects, errors);
235 if (requests != null) {
236 mBuilder.setRequests(requests);
238 errors.add(createErrorMsg(PCEPErrors.RP_MISSING, Optional.empty()));
240 if (!objects.isEmpty()) {
241 throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
243 return new PcreqBuilder().setPcreqMessage(mBuilder.build()).build();
246 protected List<Svec> getSvecs(final List<Object> objects) {
247 final List<Svec> svecList = new ArrayList<>();
248 while (!objects.isEmpty()) {
249 final SvecBuilder sBuilder = new SvecBuilder();
250 final Svec svecComp = getValidSvec(sBuilder, objects);
251 if (svecComp == null) {
254 svecList.add(svecComp);
259 protected List<Requests> getRequests(final List<Object> objects, final List<Message> errors) {
260 final List<Requests> requests = new ArrayList<>();
261 while (!objects.isEmpty()) {
262 final RequestsBuilder rBuilder = new RequestsBuilder();
264 if (!(objects.get(0) instanceof Rp)) {
265 // if RP obj is missing return error only
266 errors.add(createErrorMsg(PCEPErrors.RP_MISSING, Optional.empty()));
269 rpObj = (Rp) objects.get(0);
271 if (!rpObj.isProcessingRule()) {
272 errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, Optional.empty()));
274 rBuilder.setRp(rpObj);
276 final List<VendorInformationObject> vendorInfo = addVendorInformationObjects(objects);
277 if (!vendorInfo.isEmpty()) {
278 rBuilder.setVendorInformationObject(vendorInfo);
281 if (rpObj.isPathKey() && objects.get(0) instanceof PathKey) {
282 rBuilder.setPathKeyExpansion(
283 new PathKeyExpansionBuilder().setPathKey((PathKey) objects.get(0)).build());
286 if (objects.isEmpty() || !(objects.get(0) instanceof EndpointsObj)) {
287 errors.add(createErrorMsg(PCEPErrors.END_POINTS_MISSING, Optional.of(rpObj)));
291 if (!rpObj.isP2mp()) {
293 final P2pBuilder p2pBuilder = new P2pBuilder();
294 final EndpointsObj ep = (EndpointsObj) objects.get(0);
296 if (!ep.isProcessingRule()) {
297 errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, Optional.of(rpObj)));
299 p2pBuilder.setEndpointsObj(ep);
302 final SegmentComputation segm = getP2PSegmentComputation(p2pBuilder, objects, errors, rpObj);
304 rBuilder.setSegmentComputation(segm);
308 final SegmentComputation segm = getP2MPSegmentComputation(objects, errors, rpObj);
310 rBuilder.setSegmentComputation(segm);
313 requests.add(rBuilder.build());
318 protected SegmentComputation getP2PSegmentComputation(final P2pBuilder builder,
319 final List<Object> objects,
320 final List<Message> errors,
322 final List<Metrics> metrics = new ArrayList<>();
323 final List<VendorInformationObject> viObjects = new ArrayList<>();
325 P2PState p2PState = P2PState.INIT;
326 while (!objects.isEmpty() && p2PState != P2PState.END) {
327 p2PState = insertP2PObject(p2PState, objects, viObjects, builder, metrics, errors, rp);
328 if (!p2PState.equals(P2PState.END)) {
332 if (!metrics.isEmpty()) {
333 builder.setMetrics(metrics);
335 if (!viObjects.isEmpty()) {
336 builder.setVendorInformationObject(viObjects);
339 if (rp.isReoptimization() && builder.getBandwidth() != null
340 && !builder.getReportedRoute().getReoptimizationBandwidth().getBandwidth().equals(
341 new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network
342 .concepts.rev131125.Bandwidth(new byte[] { 0 }))
343 && builder.getReportedRoute().getRro() == null) {
344 errors.add(createErrorMsg(PCEPErrors.RRO_MISSING, Optional.of(rp)));
347 return new SegmentComputationBuilder().setP2p(builder.build()).build();
350 private static P2PState insertP2PObject(final P2PState p2PState,
351 final List<Object> objects,
352 final List<VendorInformationObject> viObjects,
353 final P2pBuilder builder,
354 final List<Metrics> metrics,
355 final List<Message> errors,
357 final Object obj = objects.get(0);
360 if (obj instanceof Rro) {
361 builder.setRro((Rro) obj);
363 final Object nextObj = objects.get(0);
364 if (nextObj instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types
365 .rev181109.reoptimization.bandwidth.object.ReoptimizationBandwidth) {
366 builder.setReoptimizationBandwidth((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns
367 .yang.pcep.types.rev181109.reoptimization.bandwidth.object
368 .ReoptimizationBandwidth) nextObj);
370 return P2PState.REPORTED_IN;
374 if (obj instanceof VendorInformationObject) {
375 viObjects.add((VendorInformationObject) obj);
376 return P2PState.REPORTED_IN;
379 case VENDOR_INFO_LIST:
380 if (obj instanceof LoadBalancing) {
381 builder.setLoadBalancing((LoadBalancing) obj);
382 return P2PState.LOAD_BIN;
386 if (obj instanceof Lspa) {
387 builder.setLspa((Lspa) obj);
388 return P2PState.LSPA_IN;
392 if (obj instanceof Bandwidth) {
393 builder.setBandwidth((Bandwidth) obj);
394 return P2PState.BANDWIDTH_IN;
398 if (obj instanceof Metric) {
399 metrics.add(new MetricsBuilder().setMetric((Metric) obj).build());
400 return P2PState.BANDWIDTH_IN;
404 if (obj instanceof Iro) {
405 builder.setIro((Iro) obj);
406 return P2PState.IRO_IN;
410 if (obj instanceof Rro) {
411 builder.setRro((Rro) obj);
412 return P2PState.RRO_IN;
416 if (obj instanceof Xro) {
417 builder.setXro((Xro) obj);
418 return P2PState.XRO_IN;
422 if (obj instanceof Of) {
423 builder.setOf((Of) obj);
424 return P2PState.OF_IN;
428 if (obj instanceof ClassType) {
429 final ClassType classType = (ClassType) obj;
430 if (!classType.isProcessingRule()) {
431 errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, Optional.of(rp)));
433 builder.setClassType(classType);
435 return P2PState.CT_IN;
446 private static SvecState insertP2PObject(final SvecState state, final Object obj, final SvecBuilder builder,
447 final List<Metrics> metrics, final List<VendorInformationObject> viObjects) {
450 if (obj instanceof Of) {
451 builder.setOf((Of) obj);
452 return SvecState.OF_IN;
456 if (obj instanceof Gc) {
457 builder.setGc((Gc) obj);
458 return SvecState.GC_IN;
462 if (obj instanceof Xro) {
463 builder.setXro((Xro) obj);
464 return SvecState.XRO_IN;
468 if (obj instanceof Metric) {
469 metrics.add(new MetricsBuilder().setMetric((Metric) obj).build());
470 return SvecState.XRO_IN;
474 if (obj instanceof VendorInformationObject) {
475 viObjects.add((VendorInformationObject) obj);
476 return SvecState.METRIC_IN;
481 return SvecState.END;
487 private enum P2PState {
502 protected SegmentComputation getP2MPSegmentComputation(final List<Object> objects, final List<Message> errors,
504 final List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq.message
505 .pcreq.message.requests.segment.computation.p2mp.Metric> metrics = new ArrayList<>();
506 final P2mpBuilder builder = new P2mpBuilder();
507 final List<EndpointRroPair> epRros = new ArrayList<>();
509 P2MPState state = P2MPState.RP;
510 while (!objects.isEmpty() && state != P2MPState.END) {
511 state = insertP2MPObject(state, objects, builder, epRros, metrics, errors, rp);
512 if (!state.equals(P2MPState.END)) {
516 if (!epRros.isEmpty()) {
517 builder.setEndpointRroPair(epRros);
519 if (!metrics.isEmpty()) {
520 builder.setMetric(metrics);
523 if (rp.isReoptimization() && builder.getBandwidth() != null) {
524 if (!isValidReoptimizationRro(epRros) || !isValidReoptimizationBandwidth(epRros)) {
525 errors.add(createErrorMsg(PCEPErrors.RRO_MISSING, Optional.of(rp)));
529 return new SegmentComputationBuilder().setP2mp(builder.build()).build();
532 private boolean isValidReoptimizationRro(final List<EndpointRroPair> epRros) {
533 for (EndpointRroPair epRro : epRros) {
534 if (epRro.getRros() == null || epRro.getRros().isEmpty()) {
541 private boolean isValidReoptimizationBandwidth(final List<EndpointRroPair> epRros) {
542 for (EndpointRroPair epRro : epRros) {
543 if (epRro.getReoptimizationBandwidth() == null) {
550 private static P2MPState insertP2MPObject(final P2MPState p2MPState, final List<Object> objects,
551 final P2mpBuilder builder, final List<EndpointRroPair> epRros,
552 final List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcreq
553 .message.pcreq.message.requests.segment.computation.p2mp.Metric> metrics,
554 final List<Message> errors, final Rp rp) {
555 final Object obj = objects.get(0);
558 if (obj instanceof EndpointsObj) {
559 final EndpointRroPairBuilder rroPairBuilder = new EndpointRroPairBuilder();
560 if (obj.isProcessingRule()) {
561 rroPairBuilder.setEndpointsObj((EndpointsObj) obj);
563 errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, Optional.of(rp)));
565 epRros.add(rroPairBuilder.setRros(new ArrayList<>()).build());
566 return P2MPState.ENDPOINT;
570 if (obj instanceof Rro || obj instanceof Srro) {
571 if (obj.isProcessingRule()) {
572 final int lastIndex = epRros.size() - 1;
573 final EndpointRroPair endpointRroPair = epRros.get(lastIndex);
574 List<Rros> rros = endpointRroPair.getRros();
576 rros = new ArrayList<>();
578 if (obj instanceof Rro) {
579 rros.add(new RrosBuilder()
580 .setRouteObject(new ReportedRouteObjectCaseBuilder().setRro((Rro) obj)
583 rros.add(new RrosBuilder()
584 .setRouteObject(new SecondaryReportedRouteObjectCaseBuilder().setSrro((Srro) obj)
587 epRros.remove(lastIndex);
588 epRros.add(lastIndex, new EndpointRroPairBuilder(endpointRroPair).setRros(rros).build());
590 return P2MPState.ENDPOINT;
594 if (obj instanceof ReoptimizationBandwidth) {
595 final int lastIndex = epRros.size() - 1;
596 final EndpointRroPair endpointRroPair = epRros.get(lastIndex);
597 epRros.remove(lastIndex);
598 epRros.add(lastIndex, new EndpointRroPairBuilder(endpointRroPair)
599 .setReoptimizationBandwidth((ReoptimizationBandwidth) obj)
601 return P2MPState.BANDWIDTH;
605 if (obj instanceof EndpointsObj) {
608 if (obj instanceof Of) {
609 builder.setOf((Of) obj);
610 return P2MPState.OF_IN;
614 if (obj instanceof Lspa) {
615 builder.setLspa((Lspa) obj);
616 return P2MPState.LSPA_IN;
620 if (obj instanceof Bandwidth) {
621 builder.setBandwidth((Bandwidth) obj);
622 return P2MPState.BANDWIDTH_IN;
626 if (obj instanceof Metric) {
627 metrics.add(new MetricBuilder().setMetric((Metric) obj).build());
628 return P2MPState.BANDWIDTH_IN;
632 if (obj instanceof Iro) {
633 builder.setIroBncChoice(new IroCaseBuilder().setIro((Iro) obj).build());
634 return P2MPState.IRO_BNC_IN;
636 if (obj instanceof BranchNodeList) {
637 builder.setIroBncChoice(new BncCaseBuilder().setBranchNodeType(new BranchNodeCaseBuilder()
638 .setBranchNodeList((BranchNodeList) obj).build()).build());
639 return P2MPState.IRO_BNC_IN;
641 if (obj instanceof NonBranchNodeList) {
642 builder.setIroBncChoice(new BncCaseBuilder().setBranchNodeType(new NonBranchNodeCaseBuilder()
643 .setNonBranchNodeList((NonBranchNodeList) obj).build()).build());
644 return P2MPState.IRO_BNC_IN;
648 if (obj instanceof LoadBalancing) {
649 builder.setLoadBalancing((LoadBalancing) obj);
650 return P2MPState.LOAD_BIN;
656 return P2MPState.END;
660 private enum P2MPState {
661 RP, ENDPOINT, RRO_SRRO, BANDWIDTH, OF_IN, LSPA_IN, BANDWIDTH_IN, METRIC_IN, IRO_BNC_IN, LOAD_BIN, END
664 private static Svec getValidSvec(final SvecBuilder builder, final List<Object> objects) {
665 Preconditions.checkArgument(objects != null && !objects.isEmpty(), "Passed list can't be null or empty.");
667 if (objects.get(0) instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types
668 .rev181109.svec.object.Svec) {
669 builder.setSvec((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109
670 .svec.object.Svec) objects.get(0));
676 final List<Metrics> metrics = new ArrayList<>();
677 final List<VendorInformationObject> viObjects = new ArrayList<>();
680 SvecState state = SvecState.INIT;
681 while (!objects.isEmpty() && !state.equals(SvecState.END)) {
682 obj = objects.get(0);
683 state = insertP2PObject(state, obj, builder, metrics, viObjects);
684 if (!state.equals(SvecState.END)) {
688 if (!viObjects.isEmpty()) {
689 builder.setVendorInformationObject(viObjects);
691 return builder.build();
694 private enum SvecState {
695 INIT, OF_IN, GC_IN, XRO_IN, METRIC_IN, VENDOR_INFO, END
698 protected MonitoringRequest getMonitoring(final List<Object> objects) {
699 final MonitoringRequestBuilder builder = new MonitoringRequestBuilder();
700 if (!objects.isEmpty() && objects.get(0) instanceof Monitoring) {
701 builder.setMonitoring((Monitoring) objects.get(0));
706 if (!objects.isEmpty() && objects.get(0) instanceof PccIdReq) {
707 builder.setPccIdReq((PccIdReq) objects.get(0));
710 final List<PceIdList> pceIdList = new ArrayList<>();
711 while (!objects.isEmpty() && objects.get(0) instanceof PceId) {
712 pceIdList.add(new PceIdListBuilder().setPceId((PceId) objects.get(0)).build());
715 if (!pceIdList.isEmpty()) {
716 builder.setPceIdList(pceIdList);
718 return builder.build();