2 * Copyright (c) 2014 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.parser.message;
10 import static com.google.common.base.Preconditions.checkArgument;
12 import io.netty.buffer.ByteBuf;
13 import io.netty.buffer.Unpooled;
14 import java.util.ArrayList;
15 import java.util.List;
16 import java.util.Optional;
17 import java.util.Queue;
18 import org.opendaylight.protocol.pcep.PCEPDeserializerException;
19 import org.opendaylight.protocol.pcep.parser.util.Util;
20 import org.opendaylight.protocol.pcep.spi.AbstractMessageParser;
21 import org.opendaylight.protocol.pcep.spi.MessageUtil;
22 import org.opendaylight.protocol.pcep.spi.ObjectRegistry;
23 import org.opendaylight.protocol.pcep.spi.PCEPErrors;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.Pcmonrep;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.PcmonrepBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Message;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Object;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.metrics.MetricPce;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.object.Monitoring;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.response.monitoring.metrics.list.GeneralMetricsList;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.response.monitoring.metrics.list.GeneralMetricsListBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.response.monitoring.metrics.list.SpecificMetricsList;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.response.monitoring.metrics.list.SpecificMetricsListBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.response.monitoring.metrics.list.specific.metrics.list.SpecificMetrics;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.response.monitoring.metrics.list.specific.metrics.list.SpecificMetricsBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcc.id.req.object.PccIdReq;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcmonrep.message.PcmonrepMessage;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcmonrep.message.PcmonrepMessageBuilder;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.rp.object.Rp;
43 * Parser for {@link Pcmonrep}.
44 * @see <a href="https://tools.ietf.org/html/rfc5886#section-3.2">Path Monitoring Replay Message</a>
46 public class PCEPMonitoringReplyMessageParser extends AbstractMessageParser {
48 public static final int TYPE = 9;
50 public PCEPMonitoringReplyMessageParser(final ObjectRegistry registry) {
55 public void serializeMessage(final Message message, final ByteBuf buffer) {
56 checkArgument(message instanceof Pcmonrep,
57 "Wrong instance of Message. Passed instance of %s. Need Pcmonrep.", message.getClass());
58 final PcmonrepMessage monRepMsg = ((Pcmonrep) message).getPcmonrepMessage();
59 checkArgument(monRepMsg.getMonitoring() != null, "MONITORING object is mandatory.");
60 final ByteBuf body = Unpooled.buffer();
61 serializeObject(monRepMsg.getMonitoring(), body);
62 serializeObject(monRepMsg.getPccIdReq(), body);
63 if (monRepMsg.getMonitoringMetricsList() instanceof GeneralMetricsList) {
64 final GeneralMetricsList gml = (GeneralMetricsList) monRepMsg.getMonitoringMetricsList();
65 for (final MetricPce metricPce : gml.nonnullMetricPce()) {
66 serializeMetricPce(metricPce, body);
68 } else if (monRepMsg.getMonitoringMetricsList() instanceof SpecificMetricsList) {
69 final SpecificMetricsList sml = (SpecificMetricsList) monRepMsg.getMonitoringMetricsList();
70 for (final SpecificMetrics specificMetrics : sml.nonnullSpecificMetrics()) {
71 serializeObject(specificMetrics.getRp(), body);
72 for (final MetricPce metricPce : specificMetrics.nonnullMetricPce()) {
73 serializeMetricPce(metricPce, body);
78 MessageUtil.formatMessage(TYPE, body, buffer);
81 private void serializeMetricPce(final MetricPce metricPce, final ByteBuf buffer) {
82 checkArgument(metricPce.getPceId() != null, "PCE-ID must be present.");
83 serializeObject(metricPce.getPceId(), buffer);
84 serializeObject(metricPce.getProcTime(), buffer);
85 serializeObject(metricPce.getOverload(), buffer);
89 protected Message validate(final Queue<Object> objects, final List<Message> errors)
90 throws PCEPDeserializerException {
91 checkArgument(objects != null, "Passed list can't be null.");
93 final Object monitoring = objects.poll();
94 if (monitoring == null) {
95 throw new PCEPDeserializerException("Pcmonrep message cannot be empty.");
97 if (!(monitoring instanceof Monitoring)) {
98 errors.add(createErrorMsg(PCEPErrors.MONITORING_OBJECT_MISSING, Optional.empty()));
102 final PcmonrepMessageBuilder builder = new PcmonrepMessageBuilder().setMonitoring((Monitoring) monitoring);
104 final Object obj = objects.peek();
105 if (obj instanceof PccIdReq) {
106 builder.setPccIdReq((PccIdReq)obj);
110 validateSpecificMetrics(objects, builder);
111 if (!objects.isEmpty()) {
112 throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
114 return new PcmonrepBuilder().setPcmonrepMessage(builder.build()).build();
117 private static void validateSpecificMetrics(final Queue<Object> objects, final PcmonrepMessageBuilder builder)
118 throws PCEPDeserializerException {
119 final List<SpecificMetrics> specificMetrics = new ArrayList<>();
121 for (Object obj = objects.peek(); obj != null; obj = objects.peek()) {
122 final SpecificMetricsBuilder smb = new SpecificMetricsBuilder();
123 if (obj instanceof Rp) {
128 final List<MetricPce> metricPceList = new ArrayList<>();
129 for (obj = objects.peek(); obj != null && !(obj instanceof Rp); obj = objects.peek()) {
130 metricPceList.add(Util.validateMonitoringMetrics(objects));
133 if (smb.getRp() != null) {
134 specificMetrics.add(smb.setMetricPce(metricPceList).build());
135 } else if (!metricPceList.isEmpty()) {
136 builder.setMonitoringMetricsList(new GeneralMetricsListBuilder().setMetricPce(metricPceList).build());
140 if (!specificMetrics.isEmpty()) {
141 builder.setMonitoringMetricsList(
142 new SpecificMetricsListBuilder().setSpecificMetrics(specificMetrics).build());