--- /dev/null
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.protocol.pcep.ietf.stateful;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+import io.netty.buffer.ByteBuf;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+import org.opendaylight.protocol.pcep.parser.message.PCEPErrorMessageParser;
+import org.opendaylight.protocol.pcep.spi.ObjectRegistry;
+import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
+import org.opendaylight.protocol.pcep.spi.PCEPErrors;
+import org.opendaylight.protocol.pcep.spi.UnknownObject;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.pcerr.pcerr.message.error.type.StatefulCase;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.pcerr.pcerr.message.error.type.StatefulCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.pcerr.pcerr.message.error.type.stateful._case.StatefulBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.pcerr.pcerr.message.error.type.stateful._case.stateful.Srps;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.pcerr.pcerr.message.error.type.stateful._case.stateful.SrpsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.srp.object.Srp;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.PcerrBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Message;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Object;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.PcerrMessage;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.open.object.Open;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcep.error.object.ErrorObject;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.PcerrMessageBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.Errors;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.ErrorsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.error.type.RequestCase;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.error.type.RequestCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.error.type.SessionCaseBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.error.type.request._case.RequestBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.error.type.request._case.request.Rps;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.error.type.request._case.request.RpsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.error.type.session._case.SessionBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.rp.object.Rp;
+
+/**
+ * Parser for {@link PcerrMessage}.
+ */
+public final class StatefulErrorMessageParser extends PCEPErrorMessageParser {
+
+ public StatefulErrorMessageParser(final ObjectRegistry registry) {
+ super(registry);
+ }
+
+ @Override
+ protected void serializeCases(final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types
+ .rev181109.pcerr.message.PcerrMessage err, final ByteBuf buffer) {
+ if (err.getErrorType() instanceof RequestCase) {
+ final List<Rps> rps = ((RequestCase) err.getErrorType()).getRequest().getRps();
+ for (final Rps r : rps) {
+ serializeObject(r.getRp(), buffer);
+ }
+ }
+ if (err.getErrorType() instanceof StatefulCase) {
+ final List<Srps> srps = ((StatefulCase) err.getErrorType()).getStateful().getSrps();
+ for (final Srps s : srps) {
+ serializeObject(s.getSrp(), buffer);
+ }
+ }
+ }
+
+ @Override
+ protected PcerrMessage validate(final List<Object> objects, final List<Message> errors)
+ throws PCEPDeserializerException {
+ checkArgument(objects != null, "Passed list can't be null.");
+ if (objects.isEmpty()) {
+ throw new PCEPDeserializerException("Error message is empty.");
+ }
+ final List<Rps> requestParameters = new ArrayList<>();
+ final List<Srps> srps = new ArrayList<>();
+ final List<Errors> errorObjects = new ArrayList<>();
+ final PcerrMessageBuilder b = new PcerrMessageBuilder();
+ Object obj = objects.get(0);
+ State state = State.INIT;
+ if (obj instanceof ErrorObject) {
+ final ErrorObject o = (ErrorObject) obj;
+ errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
+ state = State.ERROR_IN;
+ } else if (obj instanceof Rp) {
+ final Rp o = (Rp) obj;
+ if (o.isProcessingRule()) {
+ errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, Optional.empty()));
+ return null;
+ }
+ requestParameters.add(new RpsBuilder().setRp(o).build());
+ state = State.RP_IN;
+ } else if (obj instanceof Srp) {
+ final Srp s = (Srp) obj;
+ srps.add(new SrpsBuilder().setSrp(s).build());
+ state = State.SRP_IN;
+ }
+ if (!state.equals(State.INIT)) {
+ objects.remove(0);
+ }
+ while (!objects.isEmpty() && !state.equals(State.END)) {
+ obj = objects.get(0);
+ if (obj instanceof UnknownObject) {
+ return new PcerrBuilder().setPcerrMessage(b.setErrors(((UnknownObject) obj).getErrors()).build())
+ .build();
+ }
+ state = insertObject(state, obj, errorObjects, requestParameters, srps, b);
+ if (!state.equals(State.END)) {
+ objects.remove(0);
+ }
+ }
+ if (errorObjects.isEmpty()) {
+ throw new PCEPDeserializerException("At least one PCEPErrorObject is mandatory.");
+ }
+ if (!objects.isEmpty()) {
+ throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
+ }
+ if (!requestParameters.isEmpty()) {
+ b.setErrorType(new RequestCaseBuilder().setRequest(new RequestBuilder().setRps(requestParameters).build())
+ .build());
+ }
+ if (!srps.isEmpty()) {
+ b.setErrorType(new StatefulCaseBuilder().setStateful(new StatefulBuilder().setSrps(srps).build()).build());
+ }
+ return new PcerrBuilder().setPcerrMessage(b.setErrors(errorObjects).build()).build();
+ }
+
+ private static State insertObject(final State state, final Object obj, final List<Errors> errorObjects,
+ final List<Rps> requestParameters, final List<Srps> srps, final PcerrMessageBuilder builder) {
+ switch (state) {
+ case ERROR_IN:
+ if (obj instanceof ErrorObject) {
+ final ErrorObject o = (ErrorObject) obj;
+ errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
+ return State.ERROR_IN;
+ }
+ // fall through
+ case RP_IN:
+ if (obj instanceof Rp) {
+ final Rp o = (Rp) obj;
+ requestParameters.add(new RpsBuilder().setRp(o).build());
+ return State.RP_IN;
+ }
+ // fall through
+ case SRP_IN:
+ if (obj instanceof Srp) {
+ final Srp o = (Srp) obj;
+ srps.add(new SrpsBuilder().setSrp(o).build());
+ return State.SRP_IN;
+ }
+ // fall through
+ case OPEN:
+ if (obj instanceof Open) {
+ builder.setErrorType(
+ new SessionCaseBuilder().setSession(new SessionBuilder().setOpen((Open) obj).build()).build());
+ return State.OPEN_IN;
+ }
+ // fall through
+ case ERROR:
+ if (obj instanceof ErrorObject) {
+ final ErrorObject o = (ErrorObject) obj;
+ errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
+ return State.ERROR;
+ }
+ // fall through
+ case OPEN_IN:
+ case END:
+ return State.END;
+ default:
+ return state;
+ }
+ }
+
+ private enum State {
+ INIT, ERROR_IN, RP_IN, SRP_IN, OPEN, ERROR, OPEN_IN, END
+ }
+}
Code Review / bgpcep.git / blobdiff