*/
package org.opendaylight.protocol.pcep.impl.message;
-import org.opendaylight.protocol.pcep.impl.PCEPMessageParser;
-import org.opendaylight.protocol.pcep.impl.PCEPObjectFactory;
-import org.opendaylight.protocol.pcep.message.PCEPErrorMessage;
+import io.netty.buffer.ByteBuf;
+
+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.spi.ObjectHandlerRegistry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.PcerrBuilder;
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.Object;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.PcerrMessage;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.open.object.Open;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.ErrorObject;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.PcerrMessageBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.Errors;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.ErrorsBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.Request;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.RequestBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.Session;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.SessionBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.request.Rps;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.request.RpsBuilder;
+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 org.opendaylight.protocol.pcep.message.PCEPErrorMessage PCEPErrorMessage}
+ * Parser for {@link PcerrMessage}
*/
-public class PCEPErrorMessageParser implements PCEPMessageParser {
+public class PCEPErrorMessageParser extends AbstractMessageParser {
+
+ public static final int TYPE = 6;
+
+ public PCEPErrorMessageParser(final ObjectHandlerRegistry registry) {
+ super(registry);
+ }
+
+ @Override
+ public void serializeMessage(final Message message, final ByteBuf buffer) {
+ if (!(message instanceof PcerrMessage)) {
+ throw new IllegalArgumentException("Wrong instance of Message. Passed instance " + message.getClass()
+ + ". Nedded ErrorMessage.");
+ }
+ final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.PcerrMessage err = ((PcerrMessage) message).getPcerrMessage();
+
+ if (err.getErrors() == null || err.getErrors().isEmpty()) {
+ throw new IllegalArgumentException("Errors should not be empty.");
+ }
+
+ if (err.getErrorType() instanceof Request) {
+ final List<Rps> rps = ((Request) err.getErrorType()).getRps();
+ for (final Rps r : rps) {
+ buffer.writeBytes(serializeObject(r.getRp()));
+ }
+ }
+
+ for (final Errors e : err.getErrors()) {
+ buffer.writeBytes(serializeObject(e.getErrorObject()));
+ }
+
+ if (err.getErrorType() instanceof Session) {
+ buffer.writeBytes(serializeObject(((Session) err.getErrorType()).getOpen()));
+ }
+ }
@Override
- public byte[] put(final Message msg) {
- if (!(msg instanceof PCEPErrorMessage))
- throw new IllegalArgumentException("Wrong instance of PCEPMessage. Passed instance " + msg.getClass()
- + ". Nedded PCEPErrorMessage.");
+ protected PcerrMessage 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("Error message is empty.");
+ }
- return PCEPObjectFactory.put(((PCEPErrorMessage) msg).getAllObjects());
+ final List<Rps> requestParameters = Lists.newArrayList();
+ final List<Errors> errorObjects = Lists.newArrayList();
+ final PcerrMessageBuilder b = new PcerrMessageBuilder();
+
+ Object obj;
+ State state = State.Init;
+ obj = objects.get(0);
+
+ if (obj instanceof ErrorObject) {
+ final ErrorObject o = (ErrorObject) obj;
+ errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
+ state = State.ErrorIn;
+ objects.remove(0);
+ } else if (obj instanceof Rp) {
+ final Rp o = ((Rp) obj);
+ if (o.isProcessingRule()) {
+ throw new PCEPDocumentedException("Invalid setting of P flag.", PCEPErrors.P_FLAG_NOT_SET);
+ }
+ requestParameters.add(new RpsBuilder().setRp(o).build());
+ state = State.RpIn;
+ objects.remove(0);
+ }
+
+ while (!objects.isEmpty()) {
+ obj = objects.get(0);
+
+ if (obj instanceof UnknownObject) {
+ return new PcerrBuilder().setPcerrMessage(b.setErrors(((UnknownObject) obj).getErrors()).build()).build();
+ }
+
+ switch (state) {
+ case ErrorIn:
+ state = State.Open;
+ if (obj instanceof ErrorObject) {
+ final ErrorObject o = (ErrorObject) obj;
+ errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
+ state = State.ErrorIn;
+ break;
+ }
+ case RpIn:
+ state = State.Error;
+ if (obj instanceof Rp) {
+ final Rp o = ((Rp) obj);
+ if (o.isProcessingRule()) {
+ throw new PCEPDocumentedException("Invalid setting of P flag.", PCEPErrors.P_FLAG_NOT_SET);
+ }
+ requestParameters.add(new RpsBuilder().setRp(o).build());
+ state = State.RpIn;
+ break;
+ }
+ case Open:
+ state = State.OpenIn;
+ if (obj instanceof Open) {
+ b.setErrorType(new SessionBuilder().setOpen((Open) obj).build());
+ break;
+ }
+ case Error:
+ state = State.OpenIn;
+ if (obj instanceof ErrorObject) {
+ final ErrorObject o = (ErrorObject) obj;
+ errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
+ state = State.Error;
+ break;
+ }
+ case OpenIn:
+ state = State.End;
+ break;
+ case End:
+ break;
+ default:
+ break;
+ }
+ if (!state.equals(State.End)) {
+ objects.remove(0);
+ }
+ }
+
+ if (errorObjects.isEmpty() && errorObjects.isEmpty()) {
+ throw new PCEPDeserializerException("At least one PCEPErrorObject is mandatory.");
+ }
+
+ if (!objects.isEmpty()) {
+ throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
+ }
+ if (requestParameters != null && !requestParameters.isEmpty()) {
+ b.setErrorType(new RequestBuilder().setRps(requestParameters).build());
+ }
+
+ return new PcerrBuilder().setPcerrMessage(b.setErrors(errorObjects).build()).build();
+ }
+
+ private enum State {
+ Init, ErrorIn, RpIn, Open, Error, OpenIn, End
+ }
+
+ @Override
+ public int getMessageType() {
+ return TYPE;
}
}
Code Review / bgpcep.git / blobdiff