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.stateful;
10 import static com.google.common.base.Preconditions.checkArgument;
12 import io.netty.buffer.ByteBuf;
13 import java.util.ArrayList;
14 import java.util.List;
15 import java.util.Optional;
16 import java.util.Queue;
17 import org.opendaylight.protocol.pcep.PCEPDeserializerException;
18 import org.opendaylight.protocol.pcep.parser.message.PCEPErrorMessageParser;
19 import org.opendaylight.protocol.pcep.spi.ObjectRegistry;
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.rev200720.pcerr.pcerr.message.error.type.StatefulCase;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev200720.pcerr.pcerr.message.error.type.StatefulCaseBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev200720.pcerr.pcerr.message.error.type.stateful._case.StatefulBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev200720.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.rev200720.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.rev200720.srp.object.Srp;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.PcerrBuilder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Message;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Object;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.PcerrMessage;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.open.object.Open;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcep.error.object.ErrorObject;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.PcerrMessageBuilder;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.Errors;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.ErrorsBuilder;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.error.type.RequestCase;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.error.type.RequestCaseBuilder;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.error.type.SessionCaseBuilder;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.error.type.request._case.RequestBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.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.rev181109.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.rev181109.pcerr.message.pcerr.message.error.type.session._case.SessionBuilder;
44 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.rp.object.Rp;
47 * Parser for {@link PcerrMessage}.
49 public final class StatefulErrorMessageParser extends PCEPErrorMessageParser {
50 public StatefulErrorMessageParser(final ObjectRegistry registry) {
55 protected void serializeCases(final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types
56 .rev181109.pcerr.message.PcerrMessage err, final ByteBuf buffer) {
57 if (err.getErrorType() instanceof RequestCase request) {
58 for (final Rps r : request.getRequest().nonnullRps()) {
59 serializeObject(r.getRp(), buffer);
62 if (err.getErrorType() instanceof StatefulCase stateful) {
63 for (final Srps s : stateful.getStateful().nonnullSrps()) {
64 serializeObject(s.getSrp(), buffer);
70 protected PcerrMessage validate(final Queue<Object> objects, final List<Message> errors)
71 throws PCEPDeserializerException {
72 checkArgument(objects != null, "Passed list can't be null.");
74 final Object first = objects.peek();
76 throw new PCEPDeserializerException("Error message is empty.");
78 final var requestParameters = new ArrayList<Rps>();
79 final var srps = new ArrayList<Srps>();
80 final var errorObjects = new ArrayList<Errors>();
81 final PcerrMessageBuilder b = new PcerrMessageBuilder();
82 State state = State.INIT;
83 if (first instanceof ErrorObject) {
84 errorObjects.add(new ErrorsBuilder().setErrorObject((ErrorObject) first).build());
85 state = State.ERROR_IN;
86 } else if (first instanceof Rp rp) {
87 if (rp.getProcessingRule()) {
88 errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, Optional.empty()));
91 requestParameters.add(new RpsBuilder().setRp(rp).build());
93 } else if (first instanceof Srp) {
94 srps.add(new SrpsBuilder().setSrp((Srp) first).build());
97 if (state != State.INIT) {
101 for (Object obj = objects.peek(); obj != null; obj = objects.peek()) {
102 if (obj instanceof UnknownObject) {
103 return new PcerrBuilder()
104 .setPcerrMessage(b.setErrors(((UnknownObject) obj).getErrors()).build())
107 state = insertObject(state, obj, errorObjects, requestParameters, srps, b);
108 if (state == State.END) {
114 if (errorObjects.isEmpty()) {
115 throw new PCEPDeserializerException("At least one PCEPErrorObject is mandatory.");
117 if (!objects.isEmpty()) {
118 throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
120 if (!requestParameters.isEmpty()) {
121 b.setErrorType(new RequestCaseBuilder().setRequest(new RequestBuilder().setRps(requestParameters).build())
124 if (!srps.isEmpty()) {
125 b.setErrorType(new StatefulCaseBuilder().setStateful(new StatefulBuilder().setSrps(srps).build()).build());
127 return new PcerrBuilder().setPcerrMessage(b.setErrors(errorObjects).build()).build();
130 private static State insertObject(final State state, final Object obj, final List<Errors> errorObjects,
131 final List<Rps> requestParameters, final List<Srps> srps, final PcerrMessageBuilder builder) {
134 if (obj instanceof ErrorObject o) {
135 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
136 return State.ERROR_IN;
140 if (obj instanceof Rp o) {
141 requestParameters.add(new RpsBuilder().setRp(o).build());
146 if (obj instanceof Srp o) {
147 srps.add(new SrpsBuilder().setSrp(o).build());
152 if (obj instanceof Open) {
153 builder.setErrorType(
154 new SessionCaseBuilder().setSession(new SessionBuilder().setOpen((Open) obj).build()).build());
155 return State.OPEN_IN;
159 if (obj instanceof ErrorObject o) {
160 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
173 INIT, ERROR_IN, RP_IN, SRP_IN, OPEN, ERROR, OPEN_IN, END