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.ietf.stateful07;
10 import com.google.common.base.Optional;
11 import com.google.common.base.Preconditions;
12 import io.netty.buffer.ByteBuf;
13 import io.netty.buffer.Unpooled;
14 import java.util.ArrayList;
15 import java.util.List;
16 import org.opendaylight.protocol.pcep.impl.message.PCEPErrorMessageParser;
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.ietf.stateful.rev131222.pcerr.pcerr.message.error.type.StatefulCase;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcerr.pcerr.message.error.type.StatefulCaseBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcerr.pcerr.message.error.type.stateful._case.StatefulBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcerr.pcerr.message.error.type.stateful._case.stateful.Srps;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcerr.pcerr.message.error.type.stateful._case.stateful.SrpsBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.srp.object.Srp;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.PcerrBuilder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.PcerrMessage;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.open.object.Open;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.ErrorObject;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.PcerrMessageBuilder;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.Errors;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.ErrorsBuilder;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.RequestCase;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.RequestCaseBuilder;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.SessionCase;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.SessionCaseBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.request._case.RequestBuilder;
42 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;
43 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;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.session._case.SessionBuilder;
45 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.rp.object.Rp;
48 * Parser for {@link PcerrMessage}
50 public final class Stateful07ErrorMessageParser extends PCEPErrorMessageParser {
52 public Stateful07ErrorMessageParser(final ObjectRegistry registry) {
57 public void serializeMessage(final Message message, final ByteBuf out) {
58 Preconditions.checkArgument(message instanceof PcerrMessage, "Wrong instance of Message. Passed instance of %s. Need ErrorMessage.", message.getClass());
59 final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.PcerrMessage err = ((PcerrMessage) message).getPcerrMessage();
61 if (err.getErrors() == null || err.getErrors().isEmpty()) {
62 throw new IllegalArgumentException("Errors should not be empty.");
64 final ByteBuf buffer = Unpooled.buffer();
66 if (err.getErrorType() instanceof RequestCase) {
67 final List<Rps> rps = ((RequestCase) err.getErrorType()).getRequest().getRps();
68 for (final Rps r : rps) {
69 serializeObject(r.getRp(), buffer);
72 if (err.getErrorType() instanceof StatefulCase) {
73 final List<Srps> srps = ((StatefulCase) err.getErrorType()).getStateful().getSrps();
74 for (final Srps s : srps) {
75 serializeObject(s.getSrp(), buffer);
78 for (final Errors e : err.getErrors()) {
79 serializeObject(e.getErrorObject(), buffer);
81 if (err.getErrorType() instanceof SessionCase) {
82 serializeObject(((SessionCase) err.getErrorType()).getSession().getOpen(), buffer);
84 MessageUtil.formatMessage(TYPE, buffer, out);
88 protected PcerrMessage validate(final List<Object> objects, final List<Message> errors) throws PCEPDeserializerException {
89 if (objects == null) {
90 throw new IllegalArgumentException("Passed list can't be null.");
92 if (objects.isEmpty()) {
93 throw new PCEPDeserializerException("Error message is empty.");
96 final List<Rps> requestParameters = new ArrayList<>();
97 final List<Srps> srps = new ArrayList<>();
98 final List<Errors> errorObjects = new ArrayList<>();
99 final PcerrMessageBuilder b = new PcerrMessageBuilder();
102 State state = State.Init;
103 obj = objects.get(0);
105 if (obj instanceof ErrorObject) {
106 final ErrorObject o = (ErrorObject) obj;
107 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
108 state = State.ErrorIn;
110 } else if (obj instanceof Rp) {
111 final Rp o = (Rp) obj;
112 if (o.isProcessingRule()) {
113 errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, Optional.<Rp>absent()));
116 requestParameters.add(new RpsBuilder().setRp(o).build());
119 } else if (obj instanceof Srp) {
120 final Srp s = (Srp) obj;
121 srps.add(new SrpsBuilder().setSrp(s).build());
126 while (!objects.isEmpty()) {
127 obj = objects.get(0);
129 if (obj instanceof UnknownObject) {
130 return new PcerrBuilder().setPcerrMessage(b.setErrors(((UnknownObject) obj).getErrors()).build()).build();
136 if (obj instanceof ErrorObject) {
137 final ErrorObject o = (ErrorObject) obj;
138 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
139 state = State.ErrorIn;
144 if (obj instanceof Rp) {
145 final Rp o = ((Rp) obj);
146 requestParameters.add(new RpsBuilder().setRp(o).build());
152 if (obj instanceof Srp) {
153 final Srp o = ((Srp) obj);
154 srps.add(new SrpsBuilder().setSrp(o).build());
159 state = State.OpenIn;
160 if (obj instanceof Open) {
161 b.setErrorType(new SessionCaseBuilder().setSession(new SessionBuilder().setOpen((Open) obj).build()).build());
165 state = State.OpenIn;
166 if (obj instanceof ErrorObject) {
167 final ErrorObject o = (ErrorObject) obj;
168 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
180 if (!state.equals(State.End)) {
185 if (errorObjects.isEmpty()) {
186 throw new PCEPDeserializerException("At least one PCEPErrorObject is mandatory.");
189 if (!objects.isEmpty()) {
190 throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
192 if (!requestParameters.isEmpty()) {
193 b.setErrorType(new RequestCaseBuilder().setRequest(new RequestBuilder().setRps(requestParameters).build()).build());
195 if (!srps.isEmpty()) {
196 b.setErrorType(new StatefulCaseBuilder().setStateful(new StatefulBuilder().setSrps(srps).build()).build());
199 return new PcerrBuilder().setPcerrMessage(b.setErrors(errorObjects).build()).build();
203 Init, ErrorIn, RpIn, SrpIn, Open, Error, OpenIn, End