import java.util.List;
import org.opendaylight.protocol.pcep.PCEPDeserializerException;
-import org.opendaylight.protocol.pcep.impl.AbstractMessageParser;
+import org.opendaylight.protocol.pcep.PCEPDocumentedException;
+import org.opendaylight.protocol.pcep.PCEPErrors;
+import org.opendaylight.protocol.pcep.UnknownObject;
import org.opendaylight.protocol.pcep.spi.ObjectHandlerRegistry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.Pcupd;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.PcupdBuilder;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.PcupdMessage;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.bandwidth.object.Bandwidth;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.Ero;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.include.route.object.Iro;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lsp.attributes.Metrics;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lsp.attributes.MetricsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lsp.object.Lsp;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lspa.object.Lspa;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.metric.object.Metric;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcupd.message.PcupdMessageBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcupd.message.pcupd.message.Updates;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcupd.message.pcupd.message.UpdatesBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcupd.message.pcupd.message.updates.Path;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcupd.message.pcupd.message.updates.PathBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.srp.object.Srp;
+
+import com.google.common.collect.Lists;
/**
- * Parser for {@link PcupdMessage}
+ * Parser for {@link Pcupd}
*/
public class PCEPUpdateRequestMessageParser extends AbstractMessageParser {
@Override
public void serializeMessage(final Message message, final ByteBuf buffer) {
- if (!(message instanceof PcupdMessage)) {
+ if (!(message instanceof Pcupd)) {
throw new IllegalArgumentException("Wrong instance of PCEPMessage. Passed instance of " + message.getClass()
+ ". Nedded PcupdMessage.");
}
-
+ final Pcupd msg = (Pcupd) message;
+ final List<Updates> updates = msg.getPcupdMessage().getUpdates();
+ for (final Updates update : updates) {
+ buffer.writeBytes(serializeObject(update.getSrp()));
+ buffer.writeBytes(serializeObject(update.getLsp()));
+ final Path p = update.getPath();
+ if (p != 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()));
+ }
+ }
+ }
}
@Override
- public PcupdMessage parseMessage(final byte[] buffer) throws PCEPDeserializerException {
- // TODO Auto-generated method stub
- return null;
- }
-
- public List<Message> validate(final List<Object> objects) throws PCEPDeserializerException {
+ protected Message validate(final List<Object> objects, final List<Message> errors) throws PCEPDeserializerException, PCEPDocumentedException {
if (objects == null) {
throw new IllegalArgumentException("Passed list can't be null.");
}
+ if (objects.isEmpty()) {
+ throw new PCEPDeserializerException("Pcup message cannot be empty.");
+ }
+
+ final List<Updates> updateRequests = Lists.newArrayList();
- // final List<CompositeUpdateRequestObject> updateRequests = new ArrayList<CompositeUpdateRequestObject>();
- //
- // while (!objects.isEmpty()) {
- // if (objects.get(0) instanceof UnknownObject) {
- // logger.warn("Unknown object found (should be Lsp) - {}.", objects.get(0));
- // return Arrays.asList((Message) new PCEPErrorMessage(new PCEPErrorObject(((UnknownObject)
- // objects.get(0)).getError())));
- // }
- // if (!(objects.get(0) instanceof PCEPLspObject)) {
- // return Arrays.asList((Message) new PCEPErrorMessage(new PCEPErrorObject(PCEPErrors.LSP_MISSING)));
- // }
- //
- // final PCEPLspObject lsp = (PCEPLspObject) objects.get(0);
- // objects.remove(0);
- //
- // final List<CompositeUpdPathObject> paths = new ArrayList<CompositeUpdPathObject>();
- //
- // if (!objects.isEmpty()) {
- // try {
- // CompositeUpdPathObject path;
- // path = this.getValidCompositePath(objects);
- // while (path != null) {
- // paths.add(path);
- // if (objects.isEmpty()) {
- // break;
- // }
- // path = this.getValidCompositePath(objects);
- // }
- // } catch (final PCEPDocumentedException e) {
- // logger.warn("Serializing failed: {}.", e);
- // return Arrays.asList((Message) new PCEPErrorMessage(new PCEPErrorObject(e.getError())));
- // }
- // }
- //
- // updateRequests.add(new CompositeUpdateRequestObject(lsp, paths));
- // }
- //
- // if (updateRequests.isEmpty()) {
- // return Arrays.asList((Message) new PCEPErrorMessage(new PCEPErrorObject(PCEPErrors.LSP_MISSING)));
- // }
- //
- // if (!objects.isEmpty()) {
- // throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
- // }
- //
- // return Arrays.asList((Message) new PCEPUpdateRequestMessage(updateRequests));
- return null;
+ while (!objects.isEmpty()) {
+ final Updates update = getValidUpdates(objects);
+ if (update != null) {
+ updateRequests.add(update);
+ }
+ }
+ 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);
+ }
+ return new PcupdBuilder().setPcupdMessage(new PcupdMessageBuilder().setUpdates(updateRequests).build()).build();
}
- // private CompositeUpdPathObject getValidCompositePath(final List<Object> objects) throws PCEPDocumentedException {
- // if (!(objects.get(0) instanceof PCEPExplicitRouteObject)) {
- // return null;
- // }
- //
- // if (objects.get(0) instanceof UnknownObject) {
- // }
- // final PCEPExplicitRouteObject explicitRoute = (PCEPExplicitRouteObject) objects.get(0);
- // objects.remove(0);
- //
- // PCEPLspaObject pathLspa = null;
- // PCEPRequestedPathBandwidthObject pathBandwidth = null;
- // final List<PCEPMetricObject> pathMetrics = new ArrayList<PCEPMetricObject>();
- //
- // Object obj;
- // int state = 1;
- // while (!objects.isEmpty()) {
- // obj = objects.get(0);
- // if (obj instanceof UnknownObject) {
- // throw new PCEPDocumentedException("Unknown object", ((UnknownObject) obj).getError());
- // }
- //
- // switch (state) {
- // case 1:
- // state = 2;
- // if (obj instanceof PCEPLspaObject) {
- // pathLspa = (PCEPLspaObject) obj;
- // break;
- // }
- // case 2:
- // state = 3;
- // if (obj instanceof PCEPRequestedPathBandwidthObject) {
- // pathBandwidth = (PCEPRequestedPathBandwidthObject) obj;
- // break;
- // }
- // case 3:
- // state = 4;
- // if (obj instanceof PCEPMetricObject) {
- // pathMetrics.add((PCEPMetricObject) obj);
- // state = 3;
- // break;
- // }
- // }
- //
- // if (state == 4) {
- // break;
- // }
- //
- // objects.remove(0);
- // }
- //
- // return new CompositeUpdPathObject(explicitRoute, pathLspa, pathBandwidth, pathMetrics);
- // }
+ private Updates getValidUpdates(final List<Object> objects) throws PCEPDocumentedException {
+ final UpdatesBuilder builder = new UpdatesBuilder();
+ if (objects.get(0) instanceof Srp) {
+ builder.setSrp((Srp) objects.get(0));
+ objects.remove(0);
+ } else {
+ throw new PCEPDocumentedException("Srp object missing.", PCEPErrors.SRP_MISSING);
+ }
+ if (objects.get(0) instanceof Lsp) {
+ builder.setLsp((Lsp) objects.get(0));
+ objects.remove(0);
+ } else {
+ throw new PCEPDocumentedException("Lsp object missing.", PCEPErrors.LSP_MISSING);
+ }
+ if (!objects.isEmpty()) {
+ final PathBuilder pBuilder = new PathBuilder();
+ if (objects.get(0) instanceof Ero) {
+ pBuilder.setEro((Ero) objects.get(0));
+ objects.remove(0);
+ } else {
+ throw new PCEPDocumentedException("Ero object missing.", PCEPErrors.ERO_MISSING);
+ }
+ parsePath(objects, pBuilder);
+ builder.setPath(pBuilder.build());
+ }
+ return builder.build();
+ }
+
+ private void parsePath(final List<Object> objects, final PathBuilder pBuilder) throws PCEPDocumentedException {
+ final List<Metrics> pathMetrics = Lists.newArrayList();
+ Object obj;
+ State state = State.Init;
+ while (!objects.isEmpty() && !state.equals(State.End)) {
+ obj = objects.get(0);
+ switch (state) {
+ case Init:
+ state = State.LspaIn;
+ if (obj instanceof Lspa) {
+ pBuilder.setLspa((Lspa) obj);
+ break;
+ }
+ case LspaIn:
+ state = State.BandwidthIn;
+ if (obj instanceof Bandwidth) {
+ pBuilder.setBandwidth((Bandwidth) obj);
+ break;
+ }
+ case BandwidthIn:
+ state = State.MetricIn;
+ if (obj instanceof Metric) {
+ pathMetrics.add(new MetricsBuilder().setMetric((Metric) obj).build());
+ state = State.BandwidthIn;
+ break;
+ }
+ case MetricIn:
+ state = State.IroIn;
+ if (obj instanceof Iro) {
+ pBuilder.setIro((Iro) obj);
+ break;
+ }
+ case IroIn:
+ state = State.End;
+ break;
+ case End:
+ break;
+ default:
+ if (obj instanceof UnknownObject) {
+ throw new PCEPDocumentedException("Unknown object", ((UnknownObject) obj).getError());
+ }
+ }
+ if (!state.equals(State.End)) {
+ objects.remove(0);
+ }
+ }
+ if (!pathMetrics.isEmpty()) {
+ pBuilder.setMetrics(pathMetrics);
+ }
+ }
+
+ private enum State {
+ Init, LspaIn, BandwidthIn, MetricIn, IroIn, End
+ }
@Override
public int getMessageType() {