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 com.google.common.collect.Lists;
13 import io.netty.buffer.ByteBuf;
14 import io.netty.buffer.Unpooled;
15 import java.util.List;
16 import org.opendaylight.protocol.pcep.spi.AbstractMessageParser;
17 import org.opendaylight.protocol.pcep.spi.MessageUtil;
18 import org.opendaylight.protocol.pcep.spi.ObjectRegistry;
19 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
20 import org.opendaylight.protocol.pcep.spi.PCEPErrors;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.Pcrpt;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.PcrptBuilder;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.lsp.object.Lsp;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcrpt.message.PcrptMessageBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcrpt.message.pcrpt.message.Reports;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcrpt.message.pcrpt.message.ReportsBuilder;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcrpt.message.pcrpt.message.reports.Path;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.pcrpt.message.pcrpt.message.reports.PathBuilder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.ietf.stateful.rev131222.srp.object.Srp;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.bandwidth.object.Bandwidth;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.explicit.route.object.Ero;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.include.route.object.Iro;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lsp.attributes.Metrics;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lsp.attributes.MetricsBuilder;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.lspa.object.Lspa;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.metric.object.Metric;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.reported.route.object.Rro;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.rp.object.Rp;
43 * Parser for {@link Pcrpt}
45 public class Stateful07PCReportMessageParser extends AbstractMessageParser {
47 public static final int TYPE = 10;
49 public Stateful07PCReportMessageParser(final ObjectRegistry registry) {
54 public void serializeMessage(final Message message, final ByteBuf out) {
55 Preconditions.checkArgument(message instanceof Pcrpt, "Wrong instance of Message. Passed instance of %s. Need Pcrpt.", message.getClass());
56 final Pcrpt msg = (Pcrpt) message;
57 final List<Reports> reports = msg.getPcrptMessage().getReports();
58 final ByteBuf buffer = Unpooled.buffer();
59 for (final Reports report : reports) {
60 serializeReport(report, buffer);
62 MessageUtil.formatMessage(TYPE, buffer, out);
65 protected void serializeReport(final Reports report, final ByteBuf buffer) {
66 if (report.getSrp() != null) {
67 serializeObject(report.getSrp(), buffer);
69 serializeObject(report.getLsp(), buffer);
70 final Path p = report.getPath();
72 serializeObject(p.getEro(), buffer);
73 serializeObject(p.getLspa(), buffer);
74 serializeObject(p.getBandwidth(), buffer);
75 if (p.getMetrics() != null) {
76 for (final Metrics m : p.getMetrics()) {
77 serializeObject(m.getMetric(), buffer);
80 serializeObject(p.getIro(), buffer);
81 serializeObject(p.getRro(), buffer);
86 public Message validate(final List<Object> objects, final List<Message> errors) throws PCEPDeserializerException {
87 Preconditions.checkArgument(objects != null, "Passed list can't be null.");
88 if (objects.isEmpty()) {
89 throw new PCEPDeserializerException("Pcrpt message cannot be empty.");
92 final List<Reports> reports = Lists.newArrayList();
94 while (!objects.isEmpty()) {
95 final Reports report = getValidReports(objects, errors);
100 return new PcrptBuilder().setPcrptMessage(new PcrptMessageBuilder().setReports(reports).build()).build();
103 protected Reports getValidReports(final List<Object> objects, final List<Message> errors) {
104 boolean isValid = true;
105 final ReportsBuilder builder = new ReportsBuilder();
106 if (objects.get(0) instanceof Srp) {
107 builder.setSrp((Srp) objects.get(0));
110 if (objects.get(0) instanceof Lsp) {
111 builder.setLsp((Lsp) objects.get(0));
114 errors.add(createErrorMsg(PCEPErrors.LSP_MISSING, Optional.<Rp>absent()));
117 if (!objects.isEmpty()) {
118 final PathBuilder pBuilder = new PathBuilder();
119 if (objects.get(0) instanceof Ero) {
120 pBuilder.setEro((Ero) objects.get(0));
123 errors.add(createErrorMsg(PCEPErrors.ERO_MISSING, Optional.<Rp>absent()));
126 parsePath(objects, pBuilder);
127 builder.setPath(pBuilder.build());
130 return builder.build();
135 private void parsePath(final List<Object> objects, final PathBuilder builder) {
136 final List<Metrics> pathMetrics = Lists.newArrayList();
138 State state = State.INIT;
139 while (!objects.isEmpty() && !state.equals(State.END)) {
140 obj = objects.get(0);
141 state = insertObject(state, obj, builder, pathMetrics);
142 if (!state.equals(State.END)) {
146 if (!pathMetrics.isEmpty()) {
147 builder.setMetrics(pathMetrics);
151 private State insertObject(final State state, final Object obj, final PathBuilder builder, final List<Metrics> pathMetrics) {
154 if (obj instanceof Lspa) {
155 builder.setLspa((Lspa) obj);
156 return State.LSPA_IN;
159 if (obj instanceof Bandwidth) {
160 builder.setBandwidth((Bandwidth) obj);
161 return State.BANDWIDTH_IN;
164 if (obj instanceof Metric) {
165 pathMetrics.add(new MetricsBuilder().setMetric((Metric) obj).build());
166 return State.BANDWIDTH_IN;
169 if (obj instanceof Iro) {
170 builder.setIro((Iro) obj);
174 if (obj instanceof Rro) {
175 builder.setRro((Rro) obj);
187 INIT, LSPA_IN, BANDWIDTH_IN, METRIC_IN, IRO_IN, RRO_IN, END