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 io.netty.buffer.ByteBuf;
12 import java.util.List;
14 import org.opendaylight.protocol.pcep.spi.AbstractMessageParser;
15 import org.opendaylight.protocol.pcep.spi.ObjectHandlerRegistry;
16 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
17 import org.opendaylight.protocol.pcep.spi.PCEPErrors;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Pcrpt;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.PcrptBuilder;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.object.Lsp;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcrpt.message.PcrptMessageBuilder;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcrpt.message.pcrpt.message.Reports;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcrpt.message.pcrpt.message.ReportsBuilder;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcrpt.message.pcrpt.message.reports.Path;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcrpt.message.pcrpt.message.reports.PathBuilder;
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.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.bandwidth.object.Bandwidth;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.Ero;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.include.route.object.Iro;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lsp.attributes.Metrics;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lsp.attributes.MetricsBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lspa.object.Lspa;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.metric.object.Metric;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.Rro;
38 import com.google.common.collect.Lists;
41 * Parser for {@link Pcrpt}
43 public final class Stateful07PCReportMessageParser extends AbstractMessageParser {
45 public static final int TYPE = 10;
47 public Stateful07PCReportMessageParser(final ObjectHandlerRegistry registry) {
52 public void serializeMessage(final Message message, final ByteBuf buffer) {
53 if (!(message instanceof Pcrpt)) {
54 throw new IllegalArgumentException("Wrong instance of Message. Passed instance of " + message.getClass()
55 + ". Nedded PcrptMessage.");
57 final Pcrpt msg = (Pcrpt) message;
58 final List<Reports> reports = msg.getPcrptMessage().getReports();
59 for (final Reports report : reports) {
60 if (report.getSrp() != null) {
61 buffer.writeBytes(serializeObject(report.getSrp()));
63 buffer.writeBytes(serializeObject(report.getLsp()));
64 final Path p = report.getPath();
66 buffer.writeBytes(serializeObject(p.getEro()));
67 if (p.getLspa() != null) {
68 buffer.writeBytes(serializeObject(p.getLspa()));
70 if (p.getBandwidth() != null) {
71 buffer.writeBytes(serializeObject(p.getBandwidth()));
73 if (p.getMetrics() != null && !p.getMetrics().isEmpty()) {
74 for (final Metrics m : p.getMetrics()) {
75 buffer.writeBytes(serializeObject(m.getMetric()));
78 if (p.getIro() != null) {
79 buffer.writeBytes(serializeObject(p.getIro()));
81 if (p.getRro() != null) {
82 buffer.writeBytes(serializeObject(p.getRro()));
89 public Message validate(final List<Object> objects, final List<Message> errors) throws PCEPDeserializerException {
90 if (objects == null) {
91 throw new IllegalArgumentException("Passed list can't be null.");
93 if (objects.isEmpty()) {
94 throw new PCEPDeserializerException("Pcrpt message cannot be empty.");
97 final List<Reports> reports = Lists.newArrayList();
99 while (!objects.isEmpty()) {
100 final Reports report = getValidReports(objects, errors);
101 if (reports != null) {
105 return new PcrptBuilder().setPcrptMessage(new PcrptMessageBuilder().setReports(reports).build()).build();
108 private Reports getValidReports(final List<Object> objects, final List<Message> errors) {
109 final ReportsBuilder builder = new ReportsBuilder();
110 if (objects.get(0) instanceof Srp) {
111 builder.setSrp((Srp) objects.get(0));
114 if (objects.get(0) instanceof Lsp) {
115 builder.setLsp((Lsp) objects.get(0));
118 errors.add(createErrorMsg(PCEPErrors.LSP_MISSING));
121 if (!objects.isEmpty()) {
122 final PathBuilder pBuilder = new PathBuilder();
123 parsePath(objects, pBuilder);
124 builder.setPath(pBuilder.build());
126 return builder.build();
129 private void parsePath(final List<Object> objects, final PathBuilder builder) {
130 final List<Metrics> pathMetrics = Lists.newArrayList();
132 State state = State.Init;
133 while (!objects.isEmpty() && !state.equals(State.End)) {
134 obj = objects.get(0);
138 if (obj instanceof Ero) {
139 builder.setEro((Ero) obj);
143 state = State.LspaIn;
144 if (obj instanceof Lspa) {
145 builder.setLspa((Lspa) obj);
149 state = State.BandwidthIn;
150 if (obj instanceof Bandwidth) {
151 builder.setBandwidth((Bandwidth) obj);
155 state = State.MetricIn;
156 if (obj instanceof Metric) {
157 pathMetrics.add(new MetricsBuilder().setMetric((Metric) obj).build());
158 state = State.BandwidthIn;
163 if (obj instanceof Iro) {
164 builder.setIro((Iro) obj);
169 if (obj instanceof Rro) {
170 builder.setRro((Rro) obj);
179 if (!state.equals(State.End)) {
183 if (!pathMetrics.isEmpty()) {
184 builder.setMetrics(pathMetrics);
189 Init, EroIn, LspaIn, BandwidthIn, MetricIn, IroIn, RroIn, End
193 public int getMessageType() {