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 org.opendaylight.protocol.pcep.parser.message.PCEPErrorMessageParser;
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.rev181109.pcerr.pcerr.message.error.type.StatefulCase;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.pcerr.pcerr.message.error.type.StatefulCaseBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.pcerr.pcerr.message.error.type.stateful._case.StatefulBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev181109.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.rev181109.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.rev181109.srp.object.Srp;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.PcerrBuilder;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Message;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Object;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.PcerrMessage;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.open.object.Open;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcep.error.object.ErrorObject;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.PcerrMessageBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.Errors;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.ErrorsBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.error.type.RequestCase;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.error.type.RequestCaseBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.error.type.SessionCaseBuilder;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.error.type.request._case.RequestBuilder;
40 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;
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.RpsBuilder;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcerr.message.pcerr.message.error.type.session._case.SessionBuilder;
43 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.rp.object.Rp;
46 * Parser for {@link PcerrMessage}.
48 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) {
58 final List<Rps> rps = ((RequestCase) err.getErrorType()).getRequest().getRps();
59 for (final Rps r : rps) {
60 serializeObject(r.getRp(), buffer);
63 if (err.getErrorType() instanceof StatefulCase) {
64 final List<Srps> srps = ((StatefulCase) err.getErrorType()).getStateful().getSrps();
65 for (final Srps s : srps) {
66 serializeObject(s.getSrp(), buffer);
72 protected PcerrMessage validate(final List<Object> objects, final List<Message> errors)
73 throws PCEPDeserializerException {
74 checkArgument(objects != null, "Passed list can't be null.");
75 if (objects.isEmpty()) {
76 throw new PCEPDeserializerException("Error message is empty.");
78 final List<Rps> requestParameters = new ArrayList<>();
79 final List<Srps> srps = new ArrayList<>();
80 final List<Errors> errorObjects = new ArrayList<>();
81 final PcerrMessageBuilder b = new PcerrMessageBuilder();
82 Object obj = objects.get(0);
83 State state = State.INIT;
84 if (obj instanceof ErrorObject) {
85 final ErrorObject o = (ErrorObject) obj;
86 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
87 state = State.ERROR_IN;
88 } else if (obj instanceof Rp) {
89 final Rp o = (Rp) obj;
90 if (o.isProcessingRule()) {
91 errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, Optional.empty()));
94 requestParameters.add(new RpsBuilder().setRp(o).build());
96 } else if (obj instanceof Srp) {
97 final Srp s = (Srp) obj;
98 srps.add(new SrpsBuilder().setSrp(s).build());
101 if (!state.equals(State.INIT)) {
104 while (!objects.isEmpty() && !state.equals(State.END)) {
105 obj = objects.get(0);
106 if (obj instanceof UnknownObject) {
107 return new PcerrBuilder().setPcerrMessage(b.setErrors(((UnknownObject) obj).getErrors()).build())
110 state = insertObject(state, obj, errorObjects, requestParameters, srps, b);
111 if (!state.equals(State.END)) {
115 if (errorObjects.isEmpty()) {
116 throw new PCEPDeserializerException("At least one PCEPErrorObject is mandatory.");
118 if (!objects.isEmpty()) {
119 throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
121 if (!requestParameters.isEmpty()) {
122 b.setErrorType(new RequestCaseBuilder().setRequest(new RequestBuilder().setRps(requestParameters).build())
125 if (!srps.isEmpty()) {
126 b.setErrorType(new StatefulCaseBuilder().setStateful(new StatefulBuilder().setSrps(srps).build()).build());
128 return new PcerrBuilder().setPcerrMessage(b.setErrors(errorObjects).build()).build();
131 private static State insertObject(final State state, final Object obj, final List<Errors> errorObjects,
132 final List<Rps> requestParameters, final List<Srps> srps, final PcerrMessageBuilder builder) {
135 if (obj instanceof ErrorObject) {
136 final ErrorObject o = (ErrorObject) obj;
137 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
138 return State.ERROR_IN;
142 if (obj instanceof Rp) {
143 final Rp o = (Rp) obj;
144 requestParameters.add(new RpsBuilder().setRp(o).build());
149 if (obj instanceof Srp) {
150 final Srp o = (Srp) obj;
151 srps.add(new SrpsBuilder().setSrp(o).build());
156 if (obj instanceof Open) {
157 builder.setErrorType(
158 new SessionCaseBuilder().setSession(new SessionBuilder().setOpen((Open) obj).build()).build());
159 return State.OPEN_IN;
163 if (obj instanceof ErrorObject) {
164 final ErrorObject o = (ErrorObject) obj;
165 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
178 INIT, ERROR_IN, RP_IN, SRP_IN, OPEN, ERROR, OPEN_IN, END