2 * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.protocol.pcep.impl.message;
10 import io.netty.buffer.ByteBuf;
12 import java.util.List;
14 import org.opendaylight.protocol.pcep.PCEPDeserializerException;
15 import org.opendaylight.protocol.pcep.PCEPDocumentedException;
16 import org.opendaylight.protocol.pcep.PCEPErrors;
17 import org.opendaylight.protocol.pcep.UnknownObject;
18 import org.opendaylight.protocol.pcep.spi.ObjectHandlerRegistry;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.PcerrBuilder;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.PcerrMessage;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.open.object.Open;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.ErrorObject;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.PcerrMessageBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.Errors;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.ErrorsBuilder;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.Request;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.RequestBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.Session;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.SessionBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.request.Rps;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.request.RpsBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.rp.object.Rp;
36 import com.google.common.collect.Lists;
39 * Parser for {@link PcerrMessage}
41 public class PCEPErrorMessageParser extends AbstractMessageParser {
43 public static final int TYPE = 6;
45 public PCEPErrorMessageParser(final ObjectHandlerRegistry registry) {
50 public void serializeMessage(final Message message, final ByteBuf buffer) {
51 if (!(message instanceof PcerrMessage)) {
52 throw new IllegalArgumentException("Wrong instance of Message. Passed instance " + message.getClass()
53 + ". Nedded ErrorMessage.");
55 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.PcerrMessage err = ((PcerrMessage) message).getPcerrMessage();
57 if (err.getErrors() == null || err.getErrors().isEmpty()) {
58 throw new IllegalArgumentException("Errors should not be empty.");
61 if (err.getErrorType() instanceof Request) {
62 final List<Rps> rps = ((Request) err.getErrorType()).getRps();
63 for (final Rps r : rps) {
64 buffer.writeBytes(serializeObject(r.getRp()));
68 for (final Errors e : err.getErrors()) {
69 buffer.writeBytes(serializeObject(e.getErrorObject()));
72 if (err.getErrorType() instanceof Session) {
73 buffer.writeBytes(serializeObject(((Session) err.getErrorType()).getOpen()));
78 protected PcerrMessage validate(final List<Object> objects, final List<Message> errors) throws PCEPDeserializerException, PCEPDocumentedException {
79 if (objects == null) {
80 throw new IllegalArgumentException("Passed list can't be null.");
83 if (objects.isEmpty()) {
84 throw new PCEPDeserializerException("Error message is empty.");
87 final List<Rps> requestParameters = Lists.newArrayList();
88 final List<Errors> errorObjects = Lists.newArrayList();
89 final PcerrMessageBuilder b = new PcerrMessageBuilder();
92 State state = State.Init;
95 if (obj instanceof ErrorObject) {
96 final ErrorObject o = (ErrorObject) obj;
97 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
98 state = State.ErrorIn;
100 } else if (obj instanceof Rp) {
101 final Rp o = ((Rp) obj);
102 if (o.isProcessingRule()) {
103 throw new PCEPDocumentedException("Invalid setting of P flag.", PCEPErrors.P_FLAG_NOT_SET);
105 requestParameters.add(new RpsBuilder().setRp(o).build());
110 while (!objects.isEmpty()) {
111 obj = objects.get(0);
113 if (obj instanceof UnknownObject) {
114 return new PcerrBuilder().setPcerrMessage(b.setErrors(((UnknownObject) obj).getErrors()).build()).build();
120 if (obj instanceof ErrorObject) {
121 final ErrorObject o = (ErrorObject) obj;
122 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
123 state = State.ErrorIn;
128 if (obj instanceof Rp) {
129 final Rp o = ((Rp) obj);
130 if (o.isProcessingRule()) {
131 throw new PCEPDocumentedException("Invalid setting of P flag.", PCEPErrors.P_FLAG_NOT_SET);
133 requestParameters.add(new RpsBuilder().setRp(o).build());
138 state = State.OpenIn;
139 if (obj instanceof Open) {
140 b.setErrorType(new SessionBuilder().setOpen((Open) obj).build());
144 state = State.OpenIn;
145 if (obj instanceof ErrorObject) {
146 final ErrorObject o = (ErrorObject) obj;
147 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
159 if (!state.equals(State.End)) {
164 if (errorObjects.isEmpty() && errorObjects.isEmpty()) {
165 throw new PCEPDeserializerException("At least one PCEPErrorObject is mandatory.");
168 if (!objects.isEmpty()) {
169 throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
171 if (requestParameters != null && !requestParameters.isEmpty()) {
172 b.setErrorType(new RequestBuilder().setRps(requestParameters).build());
175 return new PcerrBuilder().setPcerrMessage(b.setErrors(errorObjects).build()).build();
179 Init, ErrorIn, RpIn, Open, Error, OpenIn, End
183 public int getMessageType() {