*/
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.Arrays;
+import java.util.List;
+
+import org.opendaylight.protocol.pcep.PCEPDeserializerException;
+import org.opendaylight.protocol.pcep.PCEPDocumentedException;
+import org.opendaylight.protocol.pcep.PCEPErrorMapping;
+import org.opendaylight.protocol.pcep.PCEPErrors;
+import org.opendaylight.protocol.pcep.UnknownObject;
+import org.opendaylight.protocol.pcep.spi.AbstractMessageParser;
+import org.opendaylight.protocol.pcep.spi.HandlerRegistry;
+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.OpenObject;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.PcepErrorObject;
+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.RpObject;
+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.session.Open;
+
+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 final int TYPE = 6;
+
+ public PCEPErrorMessageParser(final HandlerRegistry registry) {
+ super(registry);
+ }
@Override
- public byte[] put(final Message msg) {
- if (!(msg instanceof PCEPErrorMessage))
- throw new IllegalArgumentException("Wrong instance of PCEPMessage. Passed instance " + msg.getClass()
- + ". Nedded PCEPErrorMessage.");
+ 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));
+ }
+ }
+
+ for (final Errors e : err.getErrors()) {
+ buffer.writeBytes(serializeObject(e));
+ }
+
+ if (err.getErrorType() instanceof Session) {
+ buffer.writeBytes(serializeObject(((Session) err.getErrorType()).getOpen()));
+ }
+ }
+
+ @Override
+ public PcerrMessage parseMessage(final byte[] buffer) throws PCEPDeserializerException, PCEPDocumentedException {
+ if (buffer == null || buffer.length == 0) {
+ throw new PCEPDeserializerException("Error message is empty.");
+ }
+ final List<Object> objs = parseObjects(buffer);
+ PcerrMessage m = null;
+ try {
+ m = validate(objs);
+ } catch (final PCEPDocumentedException e) {
+ final PCEPErrorMapping maping = PCEPErrorMapping.getInstance();
+ return new PcerrBuilder().setPcerrMessage(
+ new PcerrMessageBuilder().setErrors(
+ Arrays.asList(new ErrorsBuilder().setType(maping.getFromErrorsEnum(e.getError()).type).setValue(
+ maping.getFromErrorsEnum(e.getError()).value).build())).build()).build();
+ }
+ return m;
+ }
+
+ private PcerrMessage validate(final List<Object> objects) throws PCEPDeserializerException, PCEPDocumentedException {
+ if (objects == null)
+ throw new IllegalArgumentException("Passed list can't be null.");
- return PCEPObjectFactory.put(((PCEPErrorMessage) msg).getAllObjects());
+ Open openObj = null;
+ final List<Rps> requestParameters = Lists.newArrayList();
+ final List<Errors> errorObjects = Lists.newArrayList();
+ final PcerrMessageBuilder b = new PcerrMessageBuilder();
+
+ Object obj;
+ int state = 1;
+ 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 1:
+ if (obj instanceof PcepErrorObject) {
+ final PcepErrorObject o = (PcepErrorObject) obj;
+ errorObjects.add((Errors) o);
+ break;
+ }
+ state = 2;
+ case 2:
+ state = 3;
+ if (obj instanceof OpenObject) {
+ openObj = (Open) obj;
+ break;
+ }
+ case 3:
+ while (!objects.isEmpty()) {
+ switch (state) {
+ case 1:
+ state = 2;
+ if (obj instanceof RpObject) {
+ final RpObject o = ((RpObject) obj);
+ if (o.isProcessingRule())
+ throw new PCEPDocumentedException("Invalid setting of P flag.", PCEPErrors.P_FLAG_NOT_SET);
+ requestParameters.add((Rps) o);
+ state = 1;
+ break;
+ }
+ case 2:
+ if (obj instanceof PcepErrorObject) {
+ final PcepErrorObject o = (PcepErrorObject) obj;
+ errorObjects.add((Errors) o);
+ state = 2;
+ break;
+ }
+ state = 3;
+ }
+
+ if (state == 3)
+ break;
+
+ objects.remove(0);
+ }
+
+ state = 4;
+ break;
+ }
+
+ if (state == 4) {
+ break;
+ }
+
+ 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)
+ b.setErrorType(new RequestBuilder().setRps(requestParameters).build());
+ if (openObj != null)
+ b.setErrorType(new SessionBuilder().setOpen(openObj).build());
+
+ return new PcerrBuilder().setPcerrMessage(b.setErrors(errorObjects).build()).build();
+ }
+
+ @Override
+ public int getMessageType() {
+ return this.TYPE;
}
}
Code Review / bgpcep.git / blobdiff