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;
11 import io.netty.buffer.Unpooled;
13 import java.util.ArrayList;
14 import java.util.List;
16 import org.opendaylight.protocol.pcep.spi.AbstractMessageParser;
17 import org.opendaylight.protocol.pcep.spi.MessageUtil;
18 import org.opendaylight.protocol.pcep.spi.ObjectRegistry;
19 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
20 import org.opendaylight.protocol.pcep.spi.PCEPErrors;
21 import org.opendaylight.protocol.pcep.spi.UnknownObject;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.PcerrBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.PcerrMessage;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.open.object.Open;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.ErrorObject;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.PcerrMessageBuilder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.Errors;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.ErrorsBuilder;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.RequestCase;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.RequestCaseBuilder;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.SessionCase;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.SessionCaseBuilder;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.request._case.RequestBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.request._case.request.Rps;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.request._case.request.RpsBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.session._case.SessionBuilder;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.rp.object.Rp;
42 * Parser for {@link PcerrMessage}
44 public class PCEPErrorMessageParser extends AbstractMessageParser {
46 public static final int TYPE = 6;
48 public PCEPErrorMessageParser(final ObjectRegistry registry) {
53 public void serializeMessage(final Message message, final ByteBuf out) {
54 if (!(message instanceof PcerrMessage)) {
55 throw new IllegalArgumentException("Wrong instance of Message. Passed instance " + message.getClass()
56 + ". Nedded ErrorMessage.");
58 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.PcerrMessage err = ((PcerrMessage) message).getPcerrMessage();
60 if (err.getErrors() == null || err.getErrors().isEmpty()) {
61 throw new IllegalArgumentException("Errors should not be empty.");
63 ByteBuf buffer = Unpooled.buffer();
64 if (err.getErrorType() instanceof RequestCase) {
65 final List<Rps> rps = ((RequestCase) err.getErrorType()).getRequest().getRps();
66 for (final Rps r : rps) {
67 buffer.writeBytes(serializeObject(r.getRp()));
70 for (final Errors e : err.getErrors()) {
71 buffer.writeBytes(serializeObject(e.getErrorObject()));
74 if (err.getErrorType() instanceof SessionCase) {
75 buffer.writeBytes(serializeObject(((SessionCase) err.getErrorType()).getSession().getOpen()));
77 MessageUtil.formatMessage(TYPE, buffer, out);
81 protected PcerrMessage validate(final List<Object> objects, final List<Message> errors) throws PCEPDeserializerException {
82 if (objects == null) {
83 throw new IllegalArgumentException("Passed list can't be null.");
86 if (objects.isEmpty()) {
87 throw new PCEPDeserializerException("Error message is empty.");
89 final List<Rps> requestParameters = new ArrayList<>();
90 final List<Errors> errorObjects = new ArrayList<>();
91 final PcerrMessageBuilder b = new PcerrMessageBuilder();
94 State state = State.Init;
97 if (obj instanceof ErrorObject) {
98 final ErrorObject o = (ErrorObject) obj;
99 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
100 state = State.ErrorIn;
102 } else if (obj instanceof Rp) {
103 final Rp o = (Rp) obj;
104 if (o.isProcessingRule()) {
105 errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET));
108 requestParameters.add(new RpsBuilder().setRp(o).build());
112 while (!objects.isEmpty()) {
113 obj = objects.get(0);
115 if (obj instanceof UnknownObject) {
116 return new PcerrBuilder().setPcerrMessage(b.setErrors(((UnknownObject) obj).getErrors()).build()).build();
122 if (obj instanceof ErrorObject) {
123 final ErrorObject o = (ErrorObject) obj;
124 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
125 state = State.ErrorIn;
130 if (obj instanceof Rp) {
131 final Rp o = ((Rp) obj);
132 requestParameters.add(new RpsBuilder().setRp(o).build());
137 state = State.OpenIn;
138 if (obj instanceof Open) {
139 b.setErrorType(new SessionCaseBuilder().setSession(new SessionBuilder().setOpen((Open) obj).build()).build());
143 state = State.OpenIn;
144 if (obj instanceof ErrorObject) {
145 final ErrorObject o = (ErrorObject) obj;
146 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
158 if (!state.equals(State.End)) {
163 if (errorObjects.isEmpty() && errorObjects.isEmpty()) {
164 throw new PCEPDeserializerException("At least one PCEPErrorObject is mandatory.");
167 if (!objects.isEmpty()) {
168 throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
170 if (requestParameters != null && !requestParameters.isEmpty()) {
171 b.setErrorType(new RequestCaseBuilder().setRequest(new RequestBuilder().setRps(requestParameters).build()).build());
174 return new PcerrBuilder().setPcerrMessage(b.setErrors(errorObjects).build()).build();
178 Init, ErrorIn, RpIn, Open, Error, OpenIn, End
182 public int getMessageType() {