import java.util.List;
-import org.opendaylight.protocol.pcep.PCEPDeserializerException;
-import org.opendaylight.protocol.pcep.PCEPDocumentedException;
-import org.opendaylight.protocol.pcep.PCEPErrors;
-import org.opendaylight.protocol.pcep.UnknownObject;
-import org.opendaylight.protocol.pcep.impl.AbstractMessageParser;
import org.opendaylight.protocol.pcep.spi.ObjectHandlerRegistry;
+import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
+import org.opendaylight.protocol.pcep.spi.PCEPErrors;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.Pcrpt;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.PcrptBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
}
buffer.writeBytes(serializeObject(report.getLsp()));
final Path p = report.getPath();
- if (p.getEro() != null) {
- buffer.writeBytes(serializeObject(p.getEro()));
- }
- if (p.getBandwidth() != null) {
- buffer.writeBytes(serializeObject(p.getBandwidth()));
- }
- if (p.getMetrics() != null && !p.getMetrics().isEmpty()) {
- for (final Metrics m : p.getMetrics()) {
- buffer.writeBytes(serializeObject(m.getMetric()));
+ if (p != null) {
+ if (p.getEro() != null) {
+ buffer.writeBytes(serializeObject(p.getEro()));
+ }
+ if (p.getLspa() != null) {
+ buffer.writeBytes(serializeObject(p.getLspa()));
+ }
+ if (p.getBandwidth() != null) {
+ buffer.writeBytes(serializeObject(p.getBandwidth()));
+ }
+ if (p.getMetrics() != null && !p.getMetrics().isEmpty()) {
+ for (final Metrics m : p.getMetrics()) {
+ buffer.writeBytes(serializeObject(m.getMetric()));
+ }
+ }
+ if (p.getIro() != null) {
+ buffer.writeBytes(serializeObject(p.getIro()));
+ }
+ if (p.getRro() != null) {
+ buffer.writeBytes(serializeObject(p.getRro()));
}
- }
- if (p.getIro() != null) {
- buffer.writeBytes(serializeObject(p.getIro()));
- }
- if (p.getRro() != null) {
- buffer.writeBytes(serializeObject(p.getRro()));
}
}
}
@Override
- public Message parseMessage(final byte[] buffer) throws PCEPDeserializerException {
- if (buffer == null || buffer.length == 0) {
- throw new PCEPDeserializerException("Pcrpt message cannot be empty.");
- }
- try {
- final List<Object> objs = parseObjects(buffer);
- return validate(objs);
- } catch (final PCEPDocumentedException e) {
- return createErrorMsg(e.getError());
- }
- }
-
- public Pcrpt validate(final List<Object> objects) throws PCEPDeserializerException, PCEPDocumentedException {
+ public Message validate(final List<Object> objects, final List<Message> errors) throws PCEPDeserializerException {
if (objects == null) {
throw new IllegalArgumentException("Passed list can't be null.");
}
+ if (objects.isEmpty()) {
+ throw new PCEPDeserializerException("Pcrpt message cannot be empty.");
+ }
final List<Reports> reports = Lists.newArrayList();
while (!objects.isEmpty()) {
- final Reports report = getValidReports(objects);
- reports.add(report);
+ final Reports report = getValidReports(objects, errors);
+ if (reports != null) {
+ reports.add(report);
+ }
}
+ return new PcrptBuilder().setPcrptMessage(new PcrptMessageBuilder().setReports(reports).build()).build();
+ }
+ private Reports getValidReports(final List<Object> objects, final List<Message> errors) {
+ final ReportsBuilder builder = new ReportsBuilder();
+ if (objects.get(0) instanceof Srp) {
+ builder.setSrp((Srp) objects.get(0));
+ objects.remove(0);
+ }
+ if (objects.get(0) instanceof Lsp) {
+ builder.setLsp((Lsp) objects.get(0));
+ objects.remove(0);
+ } else {
+ errors.add(createErrorMsg(PCEPErrors.LSP_MISSING));
+ return null;
+ }
if (!objects.isEmpty()) {
- if (objects.get(0) instanceof UnknownObject) {
- throw new PCEPDocumentedException("Unknown object encountered", ((UnknownObject) objects.get(0)).getError());
- }
- throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
+ final PathBuilder pBuilder = new PathBuilder();
+ parsePath(objects, pBuilder);
+ builder.setPath(pBuilder.build());
}
- return new PcrptBuilder().setPcrptMessage(new PcrptMessageBuilder().setReports(reports).build()).build();
+ return builder.build();
}
- private Reports getValidReports(final List<Object> objects) throws PCEPDocumentedException {
- Srp srp = null;
- Lsp lsp = null;
- Ero ero = null;
- Lspa pathLspa = null;
- Bandwidth pathBandwidth = null;
+ private void parsePath(final List<Object> objects, final PathBuilder builder) {
final List<Metrics> pathMetrics = Lists.newArrayList();
- Rro pathRro = null;
- Iro iro = null;
-
Object obj;
State state = State.Init;
- while (!objects.isEmpty()) {
+ while (!objects.isEmpty() && !state.equals(State.End)) {
obj = objects.get(0);
- if (obj instanceof UnknownObject) {
- throw new PCEPDocumentedException("Unknown object", ((UnknownObject) obj).getError());
- }
switch (state) {
case Init:
- state = State.SrpIn;
- if (obj instanceof Srp) {
- srp = (Srp) obj;
- break;
- }
- case SrpIn:
- state = State.LspIn;
- if (obj instanceof Lsp) {
- lsp = (Lsp) obj;
+ state = State.EroIn;
+ if (obj instanceof Ero) {
+ builder.setEro((Ero) obj);
break;
}
case EroIn:
state = State.LspaIn;
- if (obj instanceof Ero) {
- ero = (Ero) obj;
+ if (obj instanceof Lspa) {
+ builder.setLspa((Lspa) obj);
break;
}
case LspaIn:
state = State.BandwidthIn;
- if (obj instanceof Lspa) {
- pathLspa = (Lspa) obj;
+ if (obj instanceof Bandwidth) {
+ builder.setBandwidth((Bandwidth) obj);
break;
}
case BandwidthIn:
state = State.MetricIn;
- if (obj instanceof Bandwidth) {
- pathBandwidth = (Bandwidth) obj;
+ if (obj instanceof Metric) {
+ pathMetrics.add(new MetricsBuilder().setMetric((Metric) obj).build());
+ state = State.BandwidthIn;
break;
}
case MetricIn:
state = State.IroIn;
- if (obj instanceof Metric) {
- pathMetrics.add(new MetricsBuilder().setMetric((Metric) obj).build());
- state = State.MetricIn;
+ if (obj instanceof Iro) {
+ builder.setIro((Iro) obj);
break;
}
case IroIn:
state = State.RroIn;
- if (obj instanceof Iro) {
- iro = (Iro) obj;
+ if (obj instanceof Rro) {
+ builder.setRro((Rro) obj);
break;
}
case RroIn:
state = State.End;
- if (obj instanceof Rro) {
- pathRro = (Rro) obj;
- break;
- }
+ break;
case End:
break;
- default:
- if (obj instanceof UnknownObject) {
- throw new PCEPDocumentedException("Unknown object", ((UnknownObject) obj).getError());
- }
}
- objects.remove(0);
+ if (!state.equals(State.End)) {
+ objects.remove(0);
+ }
}
- if (lsp == null) {
- throw new PCEPDocumentedException("LSP object missing", PCEPErrors.LSP_MISSING);
+ if (!pathMetrics.isEmpty()) {
+ builder.setMetrics(pathMetrics);
}
-
- final PathBuilder builder = new PathBuilder();
- builder.setEro(ero);
- builder.setLspa(pathLspa);
- builder.setBandwidth(pathBandwidth);
- builder.setMetrics(pathMetrics);
- builder.setIro(iro);
- builder.setRro(pathRro);
- return new ReportsBuilder().setSrp(srp).setLsp(lsp).setPath(builder.build()).build();
}
private enum State {
- Init, SrpIn, LspIn, EroIn, LspaIn, BandwidthIn, MetricIn, IroIn, RroIn, End
+ Init, EroIn, LspaIn, BandwidthIn, MetricIn, IroIn, RroIn, End
}
@Override
Code Review / bgpcep.git / blobdiff