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.Preconditions;
11 import io.netty.buffer.ByteBuf;
12 import io.netty.buffer.Unpooled;
13 import java.util.ArrayList;
14 import java.util.List;
15 import org.opendaylight.protocol.pcep.impl.message.PCEPErrorMessageParser;
16 import org.opendaylight.protocol.pcep.spi.MessageUtil;
17 import org.opendaylight.protocol.pcep.spi.ObjectRegistry;
18 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
19 import org.opendaylight.protocol.pcep.spi.PCEPErrors;
20 import org.opendaylight.protocol.pcep.spi.UnknownObject;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcerr.pcerr.message.error.type.StatefulCase;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcerr.pcerr.message.error.type.StatefulCaseBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcerr.pcerr.message.error.type.stateful._case.StatefulBuilder;
24 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;
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.SrpsBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.srp.object.Srp;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.PcerrBuilder;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.PcerrMessage;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.open.object.Open;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.ErrorObject;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.PcerrMessageBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.Errors;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.ErrorsBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.RequestCase;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.RequestCaseBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.SessionCase;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.SessionCaseBuilder;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.request._case.RequestBuilder;
41 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;
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.RpsBuilder;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.session._case.SessionBuilder;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.rp.object.Rp;
47 * Parser for {@link PcerrMessage}
49 public final class Stateful07ErrorMessageParser extends PCEPErrorMessageParser {
51 public Stateful07ErrorMessageParser(final ObjectRegistry registry) {
56 public void serializeMessage(final Message message, final ByteBuf out) {
57 Preconditions.checkArgument(message instanceof PcerrMessage, "Wrong instance of Message. Passed instance of %s. Need ErrorMessage.", message.getClass());
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 final ByteBuf buffer = Unpooled.buffer();
65 if (err.getErrorType() instanceof RequestCase) {
66 final List<Rps> rps = ((RequestCase) err.getErrorType()).getRequest().getRps();
67 for (final Rps r : rps) {
68 serializeObject(r.getRp(), buffer);
71 if (err.getErrorType() instanceof StatefulCase) {
72 final List<Srps> srps = ((StatefulCase) err.getErrorType()).getStateful().getSrps();
73 for (final Srps s : srps) {
74 serializeObject(s.getSrp(), buffer);
77 for (final Errors e : err.getErrors()) {
78 serializeObject(e.getErrorObject(), buffer);
80 if (err.getErrorType() instanceof SessionCase) {
81 serializeObject(((SessionCase) err.getErrorType()).getSession().getOpen(), buffer);
83 MessageUtil.formatMessage(TYPE, buffer, out);
87 protected PcerrMessage validate(final List<Object> objects, final List<Message> errors) throws PCEPDeserializerException {
88 if (objects == null) {
89 throw new IllegalArgumentException("Passed list can't be null.");
91 if (objects.isEmpty()) {
92 throw new PCEPDeserializerException("Error message is empty.");
95 final List<Rps> requestParameters = new ArrayList<>();
96 final List<Srps> srps = new ArrayList<>();
97 final List<Errors> errorObjects = new ArrayList<>();
98 final PcerrMessageBuilder b = new PcerrMessageBuilder();
101 State state = State.Init;
102 obj = objects.get(0);
104 if (obj instanceof ErrorObject) {
105 final ErrorObject o = (ErrorObject) obj;
106 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
107 state = State.ErrorIn;
109 } else if (obj instanceof Rp) {
110 final Rp o = (Rp) obj;
111 if (o.isProcessingRule()) {
112 errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET));
115 requestParameters.add(new RpsBuilder().setRp(o).build());
118 } else if (obj instanceof Srp) {
119 final Srp s = (Srp) obj;
120 srps.add(new SrpsBuilder().setSrp(s).build());
125 while (!objects.isEmpty()) {
126 obj = objects.get(0);
128 if (obj instanceof UnknownObject) {
129 return new PcerrBuilder().setPcerrMessage(b.setErrors(((UnknownObject) obj).getErrors()).build()).build();
135 if (obj instanceof ErrorObject) {
136 final ErrorObject o = (ErrorObject) obj;
137 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
138 state = State.ErrorIn;
143 if (obj instanceof Rp) {
144 final Rp o = ((Rp) obj);
145 requestParameters.add(new RpsBuilder().setRp(o).build());
151 if (obj instanceof Srp) {
152 final Srp o = ((Srp) obj);
153 srps.add(new SrpsBuilder().setSrp(o).build());
158 state = State.OpenIn;
159 if (obj instanceof Open) {
160 b.setErrorType(new SessionCaseBuilder().setSession(new SessionBuilder().setOpen((Open) obj).build()).build());
164 state = State.OpenIn;
165 if (obj instanceof ErrorObject) {
166 final ErrorObject o = (ErrorObject) obj;
167 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
179 if (!state.equals(State.End)) {
184 if (errorObjects.isEmpty()) {
185 throw new PCEPDeserializerException("At least one PCEPErrorObject is mandatory.");
188 if (!objects.isEmpty()) {
189 throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
191 if (!requestParameters.isEmpty()) {
192 b.setErrorType(new RequestCaseBuilder().setRequest(new RequestBuilder().setRps(requestParameters).build()).build());
194 if (!srps.isEmpty()) {
195 b.setErrorType(new StatefulCaseBuilder().setStateful(new StatefulBuilder().setSrps(srps).build()).build());
198 return new PcerrBuilder().setPcerrMessage(b.setErrors(errorObjects).build()).build();
202 Init, ErrorIn, RpIn, SrpIn, Open, Error, OpenIn, End