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.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.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.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.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 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;
*/
public class PCEPErrorMessageParser extends AbstractMessageParser {
- public final int TYPE = 6;
+ public static final int TYPE = 6;
public PCEPErrorMessageParser(final ObjectHandlerRegistry registry) {
super(registry);
if (err.getErrorType() instanceof Request) {
final List<Rps> rps = ((Request) err.getErrorType()).getRps();
for (final Rps r : rps) {
- buffer.writeBytes(serializeObject(r));
+ buffer.writeBytes(serializeObject(r.getRp()));
}
}
for (final Errors e : err.getErrors()) {
- buffer.writeBytes(serializeObject(e));
+ buffer.writeBytes(serializeObject(e.getErrorObject()));
}
if (err.getErrorType() instanceof Session) {
}
@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 {
+ 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.");
}
- Open openObj = null;
+ if (objects.isEmpty()) {
+ throw new PCEPDeserializerException("Error message is empty.");
+ }
+
final List<Rps> requestParameters = Lists.newArrayList();
final List<Errors> errorObjects = Lists.newArrayList();
final PcerrMessageBuilder b = new PcerrMessageBuilder();
Object obj;
- int state = 1;
+ 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);
}
switch (state) {
- case 1:
- if (obj instanceof PcepErrorObject) {
- final PcepErrorObject o = (PcepErrorObject) obj;
- errorObjects.add((Errors) o);
+ 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;
}
- state = 2;
- case 2:
- state = 3;
- if (obj instanceof OpenObject) {
- openObj = (Open) obj;
+ 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 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);
+ case Open:
+ state = State.OpenIn;
+ if (obj instanceof Open) {
+ b.setErrorType(new SessionBuilder().setOpen((Open) obj).build());
+ break;
}
-
- state = 4;
+ 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;
- }
-
- if (state == 4) {
+ case End:
+ break;
+ default:
break;
}
-
- objects.remove(0);
+ if (!state.equals(State.End)) {
+ objects.remove(0);
+ }
}
if (errorObjects.isEmpty() && errorObjects.isEmpty()) {
if (!objects.isEmpty()) {
throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
}
- if (requestParameters != null) {
+ if (requestParameters != null && !requestParameters.isEmpty()) {
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();
}
+ private enum State {
+ Init, ErrorIn, RpIn, Open, Error, OpenIn, End
+ }
+
@Override
public int getMessageType() {
- return this.TYPE;
+ return TYPE;
}
}