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 java.util.ArrayList;
14 import java.util.List;
15 import org.opendaylight.protocol.pcep.parser.message.PCEPErrorMessageParser;
16 import org.opendaylight.protocol.pcep.spi.ObjectRegistry;
17 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
18 import org.opendaylight.protocol.pcep.spi.PCEPErrors;
19 import org.opendaylight.protocol.pcep.spi.UnknownObject;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcerr.pcerr.message.error.type.StatefulCase;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcerr.pcerr.message.error.type.StatefulCaseBuilder;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcerr.pcerr.message.error.type.stateful._case.StatefulBuilder;
23 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;
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.SrpsBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.srp.object.Srp;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.PcerrBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.PcerrMessage;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.open.object.Open;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcep.error.object.ErrorObject;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.PcerrMessageBuilder;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.Errors;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.ErrorsBuilder;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.RequestCase;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.RequestCaseBuilder;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.SessionCaseBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.request._case.RequestBuilder;
39 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;
40 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;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.pcerr.message.error.type.session._case.SessionBuilder;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.rp.object.Rp;
45 * Parser for {@link PcerrMessage}
47 public final class Stateful07ErrorMessageParser extends PCEPErrorMessageParser {
49 public Stateful07ErrorMessageParser(final ObjectRegistry registry) {
54 protected void serializeCases(final org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcerr.message.PcerrMessage err, final ByteBuf buffer) {
55 if (err.getErrorType() instanceof RequestCase) {
56 final List<Rps> rps = ((RequestCase) err.getErrorType()).getRequest().getRps();
57 for (final Rps r : rps) {
58 serializeObject(r.getRp(), buffer);
61 if (err.getErrorType() instanceof StatefulCase) {
62 final List<Srps> srps = ((StatefulCase) err.getErrorType()).getStateful().getSrps();
63 for (final Srps s : srps) {
64 serializeObject(s.getSrp(), buffer);
70 protected PcerrMessage validate(final List<Object> objects, final List<Message> errors) throws PCEPDeserializerException {
71 Preconditions.checkArgument(objects != null, "Passed list can't be null.");
72 if (objects.isEmpty()) {
73 throw new PCEPDeserializerException("Error message is empty.");
75 final List<Rps> requestParameters = new ArrayList<>();
76 final List<Srps> srps = new ArrayList<>();
77 final List<Errors> errorObjects = new ArrayList<>();
78 final PcerrMessageBuilder b = new PcerrMessageBuilder();
79 Object obj = objects.get(0);
80 State state = State.INIT;
81 if (obj instanceof ErrorObject) {
82 final ErrorObject o = (ErrorObject) obj;
83 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
84 state = State.ERROR_IN;
85 } else if (obj instanceof Rp) {
86 final Rp o = (Rp) obj;
87 if (o.isProcessingRule()) {
88 errors.add(createErrorMsg(PCEPErrors.P_FLAG_NOT_SET, Optional.<Rp>absent()));
91 requestParameters.add(new RpsBuilder().setRp(o).build());
93 } else if (obj instanceof Srp) {
94 final Srp s = (Srp) obj;
95 srps.add(new SrpsBuilder().setSrp(s).build());
98 if (!state.equals(State.INIT)) {
101 while (!objects.isEmpty() && !state.equals(State.END)) {
102 obj = objects.get(0);
103 if (obj instanceof UnknownObject) {
104 return new PcerrBuilder().setPcerrMessage(b.setErrors(((UnknownObject) obj).getErrors()).build()).build();
106 state = insertObject(state, obj, errorObjects, requestParameters, srps, b);
107 if (!state.equals(State.END)) {
111 if (errorObjects.isEmpty()) {
112 throw new PCEPDeserializerException("At least one PCEPErrorObject is mandatory.");
114 if (!objects.isEmpty()) {
115 throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
117 if (!requestParameters.isEmpty()) {
118 b.setErrorType(new RequestCaseBuilder().setRequest(new RequestBuilder().setRps(requestParameters).build()).build());
120 if (!srps.isEmpty()) {
121 b.setErrorType(new StatefulCaseBuilder().setStateful(new StatefulBuilder().setSrps(srps).build()).build());
123 return new PcerrBuilder().setPcerrMessage(b.setErrors(errorObjects).build()).build();
126 private State insertObject(final State state, final Object obj, final List<Errors> errorObjects, final List<Rps> requestParameters, final List<Srps> srps, final PcerrMessageBuilder b){
129 if (obj instanceof ErrorObject) {
130 final ErrorObject o = (ErrorObject) obj;
131 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
132 return State.ERROR_IN;
135 if (obj instanceof Rp) {
136 final Rp o = ((Rp) obj);
137 requestParameters.add(new RpsBuilder().setRp(o).build());
141 if (obj instanceof Srp) {
142 final Srp o = ((Srp) obj);
143 srps.add(new SrpsBuilder().setSrp(o).build());
147 if (obj instanceof Open) {
148 b.setErrorType(new SessionCaseBuilder().setSession(new SessionBuilder().setOpen((Open) obj).build()).build());
149 return State.OPEN_IN;
152 if (obj instanceof ErrorObject) {
153 final ErrorObject o = (ErrorObject) obj;
154 errorObjects.add(new ErrorsBuilder().setErrorObject(o).build());
166 INIT, ERROR_IN, RP_IN, SRP_IN, OPEN, ERROR, OPEN_IN, END