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.impl.message;
11 import com.google.common.base.Optional;
12 import com.google.common.base.Preconditions;
13 import io.netty.buffer.ByteBuf;
14 import io.netty.buffer.Unpooled;
16 import java.util.ArrayList;
17 import java.util.List;
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.rev131007.Pcmonrep;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.message.rev131007.PcmonrepBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Message;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.Object;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.monitoring.metrics.MetricPce;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.monitoring.metrics.MetricPceBuilder;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.monitoring.object.Monitoring;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.monitoring.response.monitoring.metrics.list.GeneralMetricsList;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.monitoring.response.monitoring.metrics.list.GeneralMetricsListBuilder;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.monitoring.response.monitoring.metrics.list.SpecificMetricsList;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.monitoring.response.monitoring.metrics.list.SpecificMetricsListBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.monitoring.response.monitoring.metrics.list.specific.metrics.list.SpecificMetrics;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.monitoring.response.monitoring.metrics.list.specific.metrics.list.SpecificMetricsBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.overload.object.Overload;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcc.id.req.object.PccIdReq;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pce.id.object.PceId;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcmonrep.message.PcmonrepMessage;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.pcmonrep.message.PcmonrepMessageBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.proc.time.object.ProcTime;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.pcep.types.rev131005.rp.object.Rp;
45 * Parser for {@link Pcmonrep}
46 * @see https://tools.ietf.org/html/rfc5886#section-3.2
48 public class PCEPMonitoringReplyMessageParser extends AbstractMessageParser {
50 public static final int TYPE = 9;
52 public PCEPMonitoringReplyMessageParser(final ObjectRegistry registry) {
57 public void serializeMessage(final Message message, final ByteBuf buffer) {
58 Preconditions.checkArgument(message instanceof Pcmonrep, "Wrong instance of Message. Passed instance of %s. Need Pcmonrep.", message.getClass());
59 final PcmonrepMessage monRepMsg = ((Pcmonrep) message).getPcmonrepMessage();
60 Preconditions.checkArgument(monRepMsg.getMonitoring() != null, "MONITORING object is mandatory.");
61 final ByteBuf body = Unpooled.buffer();
62 serializeObject(monRepMsg.getMonitoring(), body);
63 serializeObject(monRepMsg.getPccIdReq(), body);
64 if (monRepMsg.getMonitoringMetricsList() instanceof GeneralMetricsList) {
65 final GeneralMetricsList gml = (GeneralMetricsList) monRepMsg.getMonitoringMetricsList();
66 if (gml.getMetricPce() != null) {
67 for (final MetricPce metricPce : gml.getMetricPce()) {
68 serializeMetricPce(metricPce, body);
71 } else if (monRepMsg.getMonitoringMetricsList() instanceof SpecificMetricsList) {
72 final SpecificMetricsList sml = (SpecificMetricsList) monRepMsg.getMonitoringMetricsList();
73 if (sml.getSpecificMetrics() != null) {
74 for (final SpecificMetrics specificMetrics : sml.getSpecificMetrics()) {
75 serializeObject(specificMetrics.getRp(), body);
76 if (specificMetrics.getMetricPce() != null) {
77 for (final MetricPce metricPce : specificMetrics.getMetricPce()) {
78 serializeMetricPce(metricPce, body);
85 MessageUtil.formatMessage(TYPE, body, buffer);
88 private void serializeMetricPce(final MetricPce metricPce, final ByteBuf buffer) {
89 Preconditions.checkArgument(metricPce.getPceId() != null, "PCE-ID must be present.");
90 serializeObject(metricPce.getPceId(), buffer);
91 serializeObject(metricPce.getProcTime(), buffer);
92 serializeObject(metricPce.getOverload(), buffer);
96 protected Message validate(final List<Object> objects, final List<Message> errors) throws PCEPDeserializerException {
97 if (objects == null) {
98 throw new IllegalArgumentException("Passed list can't be null.");
100 if (objects.isEmpty()) {
101 throw new PCEPDeserializerException("Pcmonrep message cannot be empty.");
103 if (!(objects.get(0) instanceof Monitoring)) {
104 errors.add(createErrorMsg(PCEPErrors.MONITORING_OBJECT_MISSING, Optional.<Rp>absent()));
107 final PcmonrepMessageBuilder builder = new PcmonrepMessageBuilder();
108 builder.setMonitoring((Monitoring) objects.get(0));
110 if (!objects.isEmpty() && objects.get(0) instanceof PccIdReq) {
111 builder.setPccIdReq((PccIdReq) objects.get(0));
114 final List<SpecificMetrics> specificMetrics = new ArrayList<>();
115 while (!objects.isEmpty()) {
116 final SpecificMetricsBuilder smb = new SpecificMetricsBuilder();
117 final List<MetricPce> metricPceList = new ArrayList<>();
118 if (objects.get(0) instanceof Rp) {
119 smb.setRp((Rp) objects.get(0));
122 while (!objects.isEmpty() && !(objects.get(0) instanceof Rp)) {
123 metricPceList.add(validateMonitoringMetrics(objects));
125 if (smb.getRp() != null) {
126 smb.setMetricPce(metricPceList);
127 specificMetrics.add(smb.build());
128 } else if (!metricPceList.isEmpty()) {
129 builder.setMonitoringMetricsList(new GeneralMetricsListBuilder().setMetricPce(metricPceList).build());
132 if (!specificMetrics.isEmpty()) {
133 builder.setMonitoringMetricsList(new SpecificMetricsListBuilder().setSpecificMetrics(specificMetrics).build());
135 if (!objects.isEmpty()) {
136 throw new PCEPDeserializerException("Unprocessed Objects: " + objects);
138 return new PcmonrepBuilder().setPcmonrepMessage(builder.build()).build();
141 private MetricPce validateMonitoringMetrics(final List<Object> objects) throws PCEPDeserializerException {
142 final MetricPceBuilder metricPceBuilder = new MetricPceBuilder();
143 if (!(objects.get(0) instanceof PceId)) {
144 throw new PCEPDeserializerException("metric-pce-list must start with PCE-ID object.");
146 metricPceBuilder.setPceId((PceId) (objects.get(0)));
148 State state = State.START;
149 while (!objects.isEmpty() && !state.equals(State.END)) {
150 final Object obj = objects.get(0);
153 state = State.PROC_TIME;
154 if (obj instanceof ProcTime) {
155 metricPceBuilder.setProcTime((ProcTime) obj);
159 state = State.OVERLOAD;
160 if (obj instanceof Overload) {
161 metricPceBuilder.setOverload((Overload) obj);
170 if (!state.equals(State.END)) {
174 return metricPceBuilder.build();
178 START, PROC_TIME, OVERLOAD, END;