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
9 package org.opendaylight.protocol.pcep.parser.message;
11 import com.google.common.base.Preconditions;
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 org.opendaylight.protocol.pcep.parser.util.Util;
18 import org.opendaylight.protocol.pcep.spi.AbstractMessageParser;
19 import org.opendaylight.protocol.pcep.spi.MessageUtil;
20 import org.opendaylight.protocol.pcep.spi.ObjectRegistry;
21 import org.opendaylight.protocol.pcep.spi.PCEPDeserializerException;
22 import org.opendaylight.protocol.pcep.spi.PCEPErrors;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.Pcmonrep;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev181109.PcmonrepBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Message;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.Object;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.metrics.MetricPce;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.object.Monitoring;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.response.monitoring.metrics.list.GeneralMetricsList;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.response.monitoring.metrics.list.GeneralMetricsListBuilder;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.response.monitoring.metrics.list.SpecificMetricsList;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.response.monitoring.metrics.list.SpecificMetricsListBuilder;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.response.monitoring.metrics.list.specific.metrics.list.SpecificMetrics;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.monitoring.response.monitoring.metrics.list.specific.metrics.list.SpecificMetricsBuilder;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcc.id.req.object.PccIdReq;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcmonrep.message.PcmonrepMessage;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.pcmonrep.message.PcmonrepMessageBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev181109.rp.object.Rp;
42 * Parser for {@link Pcmonrep}.
43 * @see <a href="https://tools.ietf.org/html/rfc5886#section-3.2">Path Monitoring Replay Message</a>
45 public class PCEPMonitoringReplyMessageParser extends AbstractMessageParser {
47 public static final int TYPE = 9;
49 public PCEPMonitoringReplyMessageParser(final ObjectRegistry registry) {
54 public void serializeMessage(final Message message, final ByteBuf buffer) {
55 Preconditions.checkArgument(message instanceof Pcmonrep,
56 "Wrong instance of Message. Passed instance of %s. Need Pcmonrep.", message.getClass());
57 final PcmonrepMessage monRepMsg = ((Pcmonrep) message).getPcmonrepMessage();
58 Preconditions.checkArgument(monRepMsg.getMonitoring() != null, "MONITORING object is mandatory.");
59 final ByteBuf body = Unpooled.buffer();
60 serializeObject(monRepMsg.getMonitoring(), body);
61 serializeObject(monRepMsg.getPccIdReq(), body);
62 if (monRepMsg.getMonitoringMetricsList() instanceof GeneralMetricsList) {
63 final GeneralMetricsList gml = (GeneralMetricsList) monRepMsg.getMonitoringMetricsList();
64 if (gml.getMetricPce() != null) {
65 for (final MetricPce metricPce : gml.getMetricPce()) {
66 serializeMetricPce(metricPce, body);
69 } else if (monRepMsg.getMonitoringMetricsList() instanceof SpecificMetricsList) {
70 final SpecificMetricsList sml = (SpecificMetricsList) monRepMsg.getMonitoringMetricsList();
71 if (sml.getSpecificMetrics() != null) {
72 for (final SpecificMetrics specificMetrics : sml.getSpecificMetrics()) {
73 serializeObject(specificMetrics.getRp(), body);
74 if (specificMetrics.getMetricPce() != null) {
75 for (final MetricPce metricPce : specificMetrics.getMetricPce()) {
76 serializeMetricPce(metricPce, body);
83 MessageUtil.formatMessage(TYPE, body, buffer);
86 private void serializeMetricPce(final MetricPce metricPce, final ByteBuf buffer) {
87 Preconditions.checkArgument(metricPce.getPceId() != null, "PCE-ID must be present.");
88 serializeObject(metricPce.getPceId(), buffer);
89 serializeObject(metricPce.getProcTime(), buffer);
90 serializeObject(metricPce.getOverload(), buffer);
94 protected Message validate(final List<Object> objects, final List<Message> errors)
95 throws PCEPDeserializerException {
96 Preconditions.checkArgument(objects != null, "Passed list can't be null.");
97 if (objects.isEmpty()) {
98 throw new PCEPDeserializerException("Pcmonrep message cannot be empty.");
100 if (!(objects.get(0) instanceof Monitoring)) {
101 errors.add(createErrorMsg(PCEPErrors.MONITORING_OBJECT_MISSING, Optional.empty()));
104 final PcmonrepMessageBuilder builder = new PcmonrepMessageBuilder().setMonitoring((Monitoring) objects.get(0));
106 if (!objects.isEmpty() && objects.get(0) instanceof PccIdReq) {
107 builder.setPccIdReq((PccIdReq) objects.get(0));
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 List<Object> objects, final PcmonrepMessageBuilder builder)
118 throws PCEPDeserializerException {
119 final List<SpecificMetrics> specificMetrics = new ArrayList<>();
120 while (!objects.isEmpty()) {
121 final SpecificMetricsBuilder smb = new SpecificMetricsBuilder();
122 final List<MetricPce> metricPceList = new ArrayList<>();
123 if (objects.get(0) instanceof Rp) {
124 smb.setRp((Rp) objects.get(0));
127 while (!objects.isEmpty() && !(objects.get(0) instanceof Rp)) {
128 metricPceList.add(Util.validateMonitoringMetrics(objects));
130 if (smb.getRp() != null) {
131 smb.setMetricPce(metricPceList);
132 specificMetrics.add(smb.build());
133 } else if (!metricPceList.isEmpty()) {
134 builder.setMonitoringMetricsList(new GeneralMetricsListBuilder().setMetricPce(metricPceList).build());
137 if (!specificMetrics.isEmpty()) {
138 builder.setMonitoringMetricsList(
139 new SpecificMetricsListBuilder().setSpecificMetrics(specificMetrics).build());