*/
package org.opendaylight.protocol.pcep.impl.message;
+import com.google.common.collect.Lists;
+
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.Rro;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.rp.object.Rp;
-import com.google.common.collect.Lists;
-
/**
* Parser for {@link Pcreq}
*/
public class PCEPRequestMessageParser extends AbstractMessageParser {
- public static final int TYPE = 3;
+ public static final int TYPE = 3;
- public PCEPRequestMessageParser(final ObjectRegistry registry) {
- super(registry);
- }
+ public PCEPRequestMessageParser(final ObjectRegistry registry) {
+ super(registry);
+ }
- @Override
- public void serializeMessage(final Message message, final ByteBuf out) {
- if (!(message instanceof Pcreq)) {
- throw new IllegalArgumentException("Wrong instance of PCEPMessage. Passed instance of " + message.getClass()
- + ". Needed PcrepMessage.");
- }
- final PcreqMessage msg = ((Pcreq) message).getPcreqMessage();
- if (msg.getRequests() == null || msg.getRequests().isEmpty()) {
- throw new IllegalArgumentException("Requests cannot be null or empty.");
- }
- ByteBuf buffer = Unpooled.buffer();
- for (final Requests req : msg.getRequests()) {
- buffer.writeBytes(serializeObject(req.getRp()));
- if (req.getPathKeyExpansion() != null) {
- buffer.writeBytes(serializeObject(req.getPathKeyExpansion().getPathKey()));
- }
- if (req.getSegmentComputation() != null) {
- final SegmentComputation sc = req.getSegmentComputation();
- if (sc.getP2p() != null) {
- serializeP2P(buffer, sc.getP2p());
- }
- }
- }
- if (msg.getSvec() != null) {
- for (final Svec s : msg.getSvec()) {
- buffer.writeBytes(serializeObject(s.getSvec()));
- if (s.getOf() != null) {
- buffer.writeBytes(serializeObject(s.getOf()));
- }
- if (s.getGc() != null) {
- buffer.writeBytes(serializeObject(s.getGc()));
- }
- if (s.getXro() != null) {
- buffer.writeBytes(serializeObject(s.getXro()));
- }
- if (s.getMetric() != null) {
- for (final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.svec.Metric m : s.getMetric()) {
- buffer.writeBytes(serializeObject(m.getMetric()));
- }
- }
- }
- }
- MessageUtil.formatMessage(TYPE, buffer, out);
- }
+ @Override
+ public void serializeMessage(final Message message, final ByteBuf out) {
+ if (!(message instanceof Pcreq)) {
+ throw new IllegalArgumentException("Wrong instance of PCEPMessage. Passed instance of " + message.getClass()
+ + ". Needed PcrepMessage.");
+ }
+ final PcreqMessage msg = ((Pcreq) message).getPcreqMessage();
+ if (msg.getRequests() == null || msg.getRequests().isEmpty()) {
+ throw new IllegalArgumentException("Requests cannot be null or empty.");
+ }
+ ByteBuf buffer = Unpooled.buffer();
+ for (final Requests req : msg.getRequests()) {
+ buffer.writeBytes(serializeObject(req.getRp()));
+ if (req.getPathKeyExpansion() != null) {
+ buffer.writeBytes(serializeObject(req.getPathKeyExpansion().getPathKey()));
+ }
+ if (req.getSegmentComputation() != null) {
+ final SegmentComputation sc = req.getSegmentComputation();
+ if (sc.getP2p() != null) {
+ serializeP2P(buffer, sc.getP2p());
+ }
+ }
+ }
+ if (msg.getSvec() != null) {
+ for (final Svec s : msg.getSvec()) {
+ buffer.writeBytes(serializeObject(s.getSvec()));
+ if (s.getOf() != null) {
+ buffer.writeBytes(serializeObject(s.getOf()));
+ }
+ if (s.getGc() != null) {
+ buffer.writeBytes(serializeObject(s.getGc()));
+ }
+ if (s.getXro() != null) {
+ buffer.writeBytes(serializeObject(s.getXro()));
+ }
+ if (s.getMetric() != null) {
+ for (final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcreq.message.pcreq.message.svec.Metric m : s.getMetric()) {
+ buffer.writeBytes(serializeObject(m.getMetric()));
+ }
+ }
+ }
+ }
+ MessageUtil.formatMessage(TYPE, buffer, out);
+ }
- protected void serializeP2P(final ByteBuf buffer, final P2p p2p) {
- if (p2p.getEndpointsObj() != null) {
- buffer.writeBytes(serializeObject(p2p.getEndpointsObj()));
- }
- if (p2p.getReportedRoute() != null) {
- final ReportedRoute rr = p2p.getReportedRoute();
- if (rr.getRro() != null) {
- buffer.writeBytes(serializeObject(rr.getRro()));
- }
- if (rr.getBandwidth() != null) {
- buffer.writeBytes(serializeObject(rr.getBandwidth()));
- }
- }
- if (p2p.getLoadBalancing() != null) {
- buffer.writeBytes(serializeObject(p2p.getLoadBalancing()));
- }
- if (p2p.getLspa() != null) {
- buffer.writeBytes(serializeObject(p2p.getLspa()));
- }
- if (p2p.getBandwidth() != null) {
- buffer.writeBytes(serializeObject(p2p.getBandwidth()));
- }
- if (p2p.getMetrics() != null) {
- for (final Metrics m : p2p.getMetrics()) {
- buffer.writeBytes(serializeObject(m.getMetric()));
- }
- }
- if (p2p.getIro() != null) {
- buffer.writeBytes(serializeObject(p2p.getIro()));
- }
- if (p2p.getRro() != null) {
- buffer.writeBytes(serializeObject(p2p.getRro()));
- }
- if (p2p.getXro() != null) {
- buffer.writeBytes(serializeObject(p2p.getXro()));
- }
- if (p2p.getOf() != null) {
- buffer.writeBytes(serializeObject(p2p.getOf()));
- }
- if (p2p.getClassType() != null) {
- buffer.writeBytes(serializeObject(p2p.getClassType()));
- }
- }
+ protected void serializeP2P(final ByteBuf buffer, final P2p p2p) {
+ if (p2p.getEndpointsObj() != null) {
+ buffer.writeBytes(serializeObject(p2p.getEndpointsObj()));
+ }
+ if (p2p.getReportedRoute() != null) {
+ final ReportedRoute rr = p2p.getReportedRoute();
+ if (rr.getRro() != null) {
+ buffer.writeBytes(serializeObject(rr.getRro()));
+ }
+ if (rr.getBandwidth() != null) {
+ buffer.writeBytes(serializeObject(rr.getBandwidth()));
+ }
+ }
+ if (p2p.getLoadBalancing() != null) {
+ buffer.writeBytes(serializeObject(p2p.getLoadBalancing()));
+ }
+ if (p2p.getLspa() != null) {
+ buffer.writeBytes(serializeObject(p2p.getLspa()));
+ }
+ if (p2p.getBandwidth() != null) {
+ buffer.writeBytes(serializeObject(p2p.getBandwidth()));
+ }
+ if (p2p.getMetrics() != null) {
+ for (final Metrics m : p2p.getMetrics()) {
+ buffer.writeBytes(serializeObject(m.getMetric()));
+ }
+ }
+ if (p2p.getIro() != null) {
+ buffer.writeBytes(serializeObject(p2p.getIro()));
+ }
+ if (p2p.getRro() != null) {
+ buffer.writeBytes(serializeObject(p2p.getRro()));
+ }
+ if (p2p.getXro() != null) {
+ buffer.writeBytes(serializeObject(p2p.getXro()));
+ }
+ if (p2p.getOf() != null) {
+ buffer.writeBytes(serializeObject(p2p.getOf()));
+ }
+ if (p2p.getClassType() != null) {
+ buffer.writeBytes(serializeObject(p2p.getClassType()));
+ }
+ }
- @Override
- protected Message validate(
- final List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object> objects,
- final List<Message> errors) throws PCEPDeserializerException {
- if (objects == null) {
- throw new IllegalArgumentException("Passed list can't be null.");
- }
+ @Override
+ protected Message validate(
+ final List<org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object> objects,
+ final List<Message> errors) throws PCEPDeserializerException {
+ if (objects == null) {
+ throw new IllegalArgumentException("Passed list can't be null.");
+ }
- final List<Requests> requests = Lists.newArrayList();
- final List<Svec> svecList = Lists.newArrayList();
- while (!objects.isEmpty()) {
- final RequestsBuilder rBuilder = new RequestsBuilder();
- Rp rpObj = null;
- if (objects.get(0) instanceof Rp) {
- rpObj = (Rp) objects.get(0);
- objects.remove(0);
- if (!rpObj.isProcessingRule()) {
- errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET));
- } else {
- rBuilder.setRp(rpObj);
- }
- } else {
- // if RP obj is missing return error only
- errors.add(createErrorMsg(PCEPErrors.RP_MISSING));
- return null;
- }
+ final List<Requests> requests = Lists.newArrayList();
+ final List<Svec> svecList = Lists.newArrayList();
+ while (!objects.isEmpty()) {
+ final RequestsBuilder rBuilder = new RequestsBuilder();
+ Rp rpObj = null;
+ if (objects.get(0) instanceof Rp) {
+ rpObj = (Rp) objects.get(0);
+ objects.remove(0);
+ if (!rpObj.isProcessingRule()) {
+ errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET));
+ } else {
+ rBuilder.setRp(rpObj);
+ }
+ } else {
+ // if RP obj is missing return error only
+ errors.add(createErrorMsg(PCEPErrors.RP_MISSING));
+ return null;
+ }
- // expansion
- if (rpObj.isPathKey()) {
- if (objects.get(0) instanceof PathKey) {
- rBuilder.setPathKeyExpansion(new PathKeyExpansionBuilder().setPathKey((PathKey) objects.get(0)).build());
- }
- continue;
- }
+ // expansion
+ if (rpObj.isPathKey()) {
+ if (objects.get(0) instanceof PathKey) {
+ rBuilder.setPathKeyExpansion(new PathKeyExpansionBuilder().setPathKey((PathKey) objects.get(0)).build());
+ }
+ continue;
+ }
- final P2pBuilder p2pBuilder = new P2pBuilder();
+ final P2pBuilder p2pBuilder = new P2pBuilder();
- if (objects.get(0) instanceof EndpointsObj) {
- final EndpointsObj ep = (EndpointsObj) objects.get(0);
- objects.remove(0);
- if (!ep.isProcessingRule()) {
- errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, rpObj));
- } else {
- p2pBuilder.setEndpointsObj(ep);
- }
- } else {
- errors.add(createErrorMsg(PCEPErrors.END_POINTS_MISSING, rpObj));
- return null;
- }
- // p2p
- if (!rpObj.isP2mp()) {
- final SegmentComputation segm = getSegmentComputation(p2pBuilder, objects, errors, rpObj);
- if (segm != null) {
- rBuilder.setSegmentComputation(segm);
- }
- }
- while (!objects.isEmpty()) {
- final SvecBuilder sBuilder = new SvecBuilder();
- final Svec svecComp = getValidSvec(sBuilder, objects);
- if (svecComp == null) {
- break;
- }
- svecList.add(svecComp);
- }
- requests.add(rBuilder.build());
- }
+ if (objects.get(0) instanceof EndpointsObj) {
+ final EndpointsObj ep = (EndpointsObj) objects.get(0);
+ objects.remove(0);
+ if (!ep.isProcessingRule()) {
+ errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, rpObj));
+ } else {
+ p2pBuilder.setEndpointsObj(ep);
+ }
+ } else {
+ errors.add(createErrorMsg(PCEPErrors.END_POINTS_MISSING, rpObj));
+ return null;
+ }
+ // p2p
+ if (!rpObj.isP2mp()) {
+ final SegmentComputation segm = getSegmentComputation(p2pBuilder, objects, errors, rpObj);
+ if (segm != null) {
+ rBuilder.setSegmentComputation(segm);
+ }
+ }
+ while (!objects.isEmpty()) {
+ final SvecBuilder sBuilder = new SvecBuilder();
+ final Svec svecComp = getValidSvec(sBuilder, objects);
+ if (svecComp == null) {
+ break;
+ }
+ svecList.add(svecComp);
+ }
+ requests.add(rBuilder.build());
+ }
- final PcreqMessageBuilder mBuilder = new PcreqMessageBuilder();
- mBuilder.setRequests(requests);
- if (!svecList.isEmpty()) {
- mBuilder.setSvec(svecList);
- }
- return new PcreqBuilder().setPcreqMessage(mBuilder.build()).build();
- }
+ final PcreqMessageBuilder mBuilder = new PcreqMessageBuilder();
+ mBuilder.setRequests(requests);
+ if (!svecList.isEmpty()) {
+ mBuilder.setSvec(svecList);
+ }
+ return new PcreqBuilder().setPcreqMessage(mBuilder.build()).build();
+ }
- protected SegmentComputation getSegmentComputation(final P2pBuilder builder, final List<Object> objects, final List<Message> errors,
- final Rp rp) {
- final List<Metrics> metrics = Lists.newArrayList();
+ protected SegmentComputation getSegmentComputation(final P2pBuilder builder, final List<Object> objects, final List<Message> errors,
+ final Rp rp) {
+ final List<Metrics> metrics = Lists.newArrayList();
- State state = State.Init;
- while (!objects.isEmpty() && state != State.End) {
- Object obj = objects.get(0);
+ State state = State.Init;
+ while (!objects.isEmpty() && state != State.End) {
+ Object obj = objects.get(0);
- switch (state) {
- case Init:
- state = State.ReportedIn;
- if (obj instanceof Rro) {
- final ReportedRouteBuilder rrBuilder = new ReportedRouteBuilder();
- rrBuilder.setRro((Rro) obj);
- objects.remove(0);
- obj = objects.get(0);
- if (obj instanceof Bandwidth) {
- rrBuilder.setBandwidth((Bandwidth) obj);
- }
- break;
- }
- case ReportedIn:
- state = State.LoadBIn;
- if (obj instanceof LoadBalancing) {
- builder.setLoadBalancing((LoadBalancing) obj);
- break;
- }
- case LoadBIn:
- state = State.LspaIn;
- if (obj instanceof Lspa) {
- builder.setLspa((Lspa) obj);
- break;
- }
- case LspaIn:
- state = State.BandwidthIn;
- if (obj instanceof Bandwidth) {
- builder.setBandwidth((Bandwidth) obj);
- break;
- }
- case BandwidthIn:
- state = State.MetricIn;
- if (obj instanceof Metric) {
- metrics.add(new MetricsBuilder().setMetric((Metric) obj).build());
- state = State.BandwidthIn;
- break;
- }
- case MetricIn:
- state = State.IroIn;
- if (obj instanceof Iro) {
- builder.setIro((Iro) obj);
- break;
- }
- case IroIn:
- state = State.RroIn;
- if (obj instanceof Rro) {
- builder.setRro((Rro) obj);
- break;
- }
- case RroIn:
- state = State.XroIn;
- if (obj instanceof Xro) {
- builder.setXro((Xro) obj);
- break;
- }
- case XroIn:
- state = State.OfIn;
- if (obj instanceof Of) {
- builder.setOf((Of) obj);
- break;
- }
- case OfIn:
- state = State.CtIn;
- if (obj instanceof ClassType) {
- final ClassType classType = (ClassType) obj;
- if (!classType.isProcessingRule()) {
- errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, rp));
- } else {
- builder.setClassType(classType);
- }
- break;
- }
- case CtIn:
- state = State.End;
- break;
- case End:
- break;
- }
- if (!state.equals(State.End)) {
- objects.remove(0);
- }
- }
- if (!metrics.isEmpty()) {
- builder.setMetrics(metrics);
- }
+ switch (state) {
+ case Init:
+ state = State.ReportedIn;
+ if (obj instanceof Rro) {
+ final ReportedRouteBuilder rrBuilder = new ReportedRouteBuilder();
+ rrBuilder.setRro((Rro) obj);
+ objects.remove(0);
+ obj = objects.get(0);
+ if (obj instanceof Bandwidth) {
+ rrBuilder.setBandwidth((Bandwidth) obj);
+ }
+ break;
+ }
+ case ReportedIn:
+ state = State.LoadBIn;
+ if (obj instanceof LoadBalancing) {
+ builder.setLoadBalancing((LoadBalancing) obj);
+ break;
+ }
+ case LoadBIn:
+ state = State.LspaIn;
+ if (obj instanceof Lspa) {
+ builder.setLspa((Lspa) obj);
+ break;
+ }
+ case LspaIn:
+ state = State.BandwidthIn;
+ if (obj instanceof Bandwidth) {
+ builder.setBandwidth((Bandwidth) obj);
+ break;
+ }
+ case BandwidthIn:
+ state = State.MetricIn;
+ if (obj instanceof Metric) {
+ metrics.add(new MetricsBuilder().setMetric((Metric) obj).build());
+ state = State.BandwidthIn;
+ break;
+ }
+ case MetricIn:
+ state = State.IroIn;
+ if (obj instanceof Iro) {
+ builder.setIro((Iro) obj);
+ break;
+ }
+ case IroIn:
+ state = State.RroIn;
+ if (obj instanceof Rro) {
+ builder.setRro((Rro) obj);
+ break;
+ }
+ case RroIn:
+ state = State.XroIn;
+ if (obj instanceof Xro) {
+ builder.setXro((Xro) obj);
+ break;
+ }
+ case XroIn:
+ state = State.OfIn;
+ if (obj instanceof Of) {
+ builder.setOf((Of) obj);
+ break;
+ }
+ case OfIn:
+ state = State.CtIn;
+ if (obj instanceof ClassType) {
+ final ClassType classType = (ClassType) obj;
+ if (!classType.isProcessingRule()) {
+ errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, rp));
+ } else {
+ builder.setClassType(classType);
+ }
+ break;
+ }
+ case CtIn:
+ state = State.End;
+ break;
+ case End:
+ break;
+ }
+ if (!state.equals(State.End)) {
+ objects.remove(0);
+ }
+ }
+ if (!metrics.isEmpty()) {
+ builder.setMetrics(metrics);
+ }
- if (rp.isReoptimization()
- && builder.getBandwidth() != null
- && builder.getReportedRoute().getBandwidth().getBandwidth() != new BandwidthBuilder().setBandwidth(
- new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.Bandwidth(new byte[] { 0 })).build()
- && builder.getReportedRoute().getRro() == null) {
- errors.add(createErrorMsg(PCEPErrors.RRO_MISSING, rp));
- return null;
- }
- return new SegmentComputationBuilder().setP2p(builder.build()).build();
- }
+ if (rp.isReoptimization()
+ && builder.getBandwidth() != null
+ && builder.getReportedRoute().getBandwidth().getBandwidth() != new BandwidthBuilder().setBandwidth(
+ new org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.network.concepts.rev131125.Bandwidth(new byte[] { 0 })).build()
+ && builder.getReportedRoute().getRro() == null) {
+ errors.add(createErrorMsg(PCEPErrors.RRO_MISSING, rp));
+ return null;
+ }
+ return new SegmentComputationBuilder().setP2p(builder.build()).build();
+ }
- private enum State {
- Init, ReportedIn, LoadBIn, LspaIn, BandwidthIn, MetricIn, IroIn, RroIn, XroIn, OfIn, CtIn, End
- }
+ private enum State {
+ Init, ReportedIn, LoadBIn, LspaIn, BandwidthIn, MetricIn, IroIn, RroIn, XroIn, OfIn, CtIn, End
+ }
- private Svec getValidSvec(final SvecBuilder builder, final List<Object> objects) {
- if (objects == null || objects.isEmpty()) {
- throw new IllegalArgumentException("List cannot be null or empty.");
- }
+ private Svec getValidSvec(final SvecBuilder builder, final List<Object> objects) {
+ if (objects == null || objects.isEmpty()) {
+ throw new IllegalArgumentException("List cannot be null or empty.");
+ }
- if (objects.get(0) instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.svec.object.Svec) {
- builder.setSvec((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.svec.object.Svec) objects.get(0));
- objects.remove(0);
- } else {
- return null;
- }
+ if (objects.get(0) instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.svec.object.Svec) {
+ builder.setSvec((org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.svec.object.Svec) objects.get(0));
+ objects.remove(0);
+ } else {
+ return null;
+ }
- final List<Metrics> metrics = Lists.newArrayList();
+ final List<Metrics> metrics = Lists.newArrayList();
- Object obj = null;
- SvecState state = SvecState.Init;
- while (!objects.isEmpty() && !state.equals(SvecState.End)) {
- obj = objects.get(0);
+ Object obj = null;
+ SvecState state = SvecState.Init;
+ while (!objects.isEmpty() && !state.equals(SvecState.End)) {
+ obj = objects.get(0);
- switch (state) {
- case Init:
- state = SvecState.OfIn;
- if (obj instanceof Of) {
- builder.setOf((Of) obj);
- break;
- }
- case OfIn:
- state = SvecState.GcIn;
- if (obj instanceof Gc) {
- builder.setGc((Gc) obj);
- break;
- }
- case GcIn:
- state = SvecState.XroIn;
- if (obj instanceof Xro) {
- builder.setXro((Xro) obj);
- break;
- }
- case XroIn:
- state = SvecState.MetricIn;
- if (obj instanceof Metric) {
- metrics.add(new MetricsBuilder().setMetric((Metric) obj).build());
- state = SvecState.XroIn;
- break;
- }
- case MetricIn:
- state = SvecState.End;
- break;
- case End:
- break;
- }
- if (!state.equals(SvecState.End)) {
- objects.remove(0);
- }
- }
- return builder.build();
- }
+ switch (state) {
+ case Init:
+ state = SvecState.OfIn;
+ if (obj instanceof Of) {
+ builder.setOf((Of) obj);
+ break;
+ }
+ case OfIn:
+ state = SvecState.GcIn;
+ if (obj instanceof Gc) {
+ builder.setGc((Gc) obj);
+ break;
+ }
+ case GcIn:
+ state = SvecState.XroIn;
+ if (obj instanceof Xro) {
+ builder.setXro((Xro) obj);
+ break;
+ }
+ case XroIn:
+ state = SvecState.MetricIn;
+ if (obj instanceof Metric) {
+ metrics.add(new MetricsBuilder().setMetric((Metric) obj).build());
+ state = SvecState.XroIn;
+ break;
+ }
+ case MetricIn:
+ state = SvecState.End;
+ break;
+ case End:
+ break;
+ }
+ if (!state.equals(SvecState.End)) {
+ objects.remove(0);
+ }
+ }
+ return builder.build();
+ }
- private enum SvecState {
- Init, OfIn, GcIn, XroIn, MetricIn, End
- }
+ private enum SvecState {
+ Init, OfIn, GcIn, XroIn, MetricIn, End
+ }
}
Code Review / bgpcep.git / blobdiff