2 * Copyright (c) 2014 Ericsson India Global Services Pvt Ltd. 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.openflowplugin.openflow.md.core.sal.convertor;
10 import static java.util.Objects.requireNonNull;
12 import java.util.ArrayList;
13 import java.util.Arrays;
14 import java.util.Collection;
15 import java.util.List;
16 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.common.Convertor;
17 import org.opendaylight.openflowplugin.openflow.md.core.sal.convertor.data.VersionConvertorData;
18 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.AddMeterInput;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.RemoveMeterInput;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.service.rev130918.meter.update.UpdatedMeter;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.Meter;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.band.type.band.type.Drop;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.band.type.band.type.DscpRemark;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.band.type.band.type.Experimenter;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.MeterBandHeaders;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.meter.band.headers.MeterBandHeader;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.ExperimenterIdMeterBandBuilder;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ExperimenterId;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MeterBandType;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MeterFlags;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MeterId;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MeterModCommand;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MeterModInputBuilder;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.MeterBand;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.MeterBandDropCaseBuilder;
36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.MeterBandDscpRemarkCaseBuilder;
37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.MeterBandExperimenterCaseBuilder;
38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.meter.band.drop._case.MeterBandDropBuilder;
39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.meter.band.dscp.remark._case.MeterBandDscpRemarkBuilder;
40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.meter.band.experimenter._case.MeterBandExperimenterBuilder;
41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.mod.Bands;
42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.mod.BandsBuilder;
43 import org.opendaylight.yangtools.yang.common.Uint8;
44 import org.slf4j.Logger;
45 import org.slf4j.LoggerFactory;
48 * Converts a MD-SAL meter mod command into the OF library meter mod command.
54 * VersionConvertorData data = new VersionConvertorData(version);
55 * Optional<MeterModInputBuilder> ofMeter = convertorManager.convert(salMeter, data);
59 public class MeterConvertor extends Convertor<Meter, MeterModInputBuilder, VersionConvertorData> {
60 private static final Logger LOG = LoggerFactory.getLogger(MeterConvertor.class);
61 private static final List<Class<?>> TYPES = Arrays.asList(Meter.class, AddMeterInput.class,
62 RemoveMeterInput.class, UpdatedMeter.class);
65 * Create default empty meter mot input builder.
66 * Use this method, if result from convertor is empty.
68 * @param version Openflow version
69 * @return default empty meter mod input builder
71 public static MeterModInputBuilder defaultResult(final Uint8 version) {
72 return new MeterModInputBuilder()
73 .setVersion(requireNonNull(version))
74 .setFlags(new MeterFlags(false, false, true, false));
77 private static void getBandsFromSAL(final MeterBandHeaders meterBandHeaders, final List<Bands> bands) {
78 for (MeterBandHeader meterBandHeader : meterBandHeaders.nonnullMeterBandHeader().values()) {
79 // The band types :drop,DSCP_Remark or experimenter.
80 if (null != meterBandHeader.getMeterBandTypes() && null != meterBandHeader.getMeterBandTypes().getFlags()) {
81 if (meterBandHeader.getMeterBandTypes().getFlags().getOfpmbtDrop()) {
82 if (meterBandHeader.getBandType() != null) {
83 MeterBandDropBuilder meterBandDropBuilder = new MeterBandDropBuilder();
84 meterBandDropBuilder.setType(MeterBandType.OFPMBTDROP);
85 Drop drop = (Drop) meterBandHeader.getBandType();
86 meterBandDropBuilder.setBurstSize(drop.getDropBurstSize());
87 meterBandDropBuilder.setRate(drop.getDropRate());
88 MeterBandDropCaseBuilder dropCaseBuilder = new MeterBandDropCaseBuilder();
89 dropCaseBuilder.setMeterBandDrop(meterBandDropBuilder.build());
90 MeterBand meterBandItem = dropCaseBuilder.build();
91 BandsBuilder bandsB = new BandsBuilder();
92 bandsB.setMeterBand(meterBandItem);
94 bands.add(bandsB.build());
96 logBandTypeMissing(MeterBandType.OFPMBTDROP);
98 } else if (meterBandHeader.getMeterBandTypes().getFlags().getOfpmbtDscpRemark()) {
99 if (meterBandHeader.getBandType() != null) {
100 MeterBandDscpRemarkBuilder meterBandDscpRemarkBuilder = new MeterBandDscpRemarkBuilder();
101 meterBandDscpRemarkBuilder.setType(MeterBandType.OFPMBTDSCPREMARK);
102 DscpRemark dscpRemark = (DscpRemark) meterBandHeader.getBandType();
103 meterBandDscpRemarkBuilder.setBurstSize(dscpRemark.getDscpRemarkBurstSize());
104 meterBandDscpRemarkBuilder.setRate(dscpRemark.getDscpRemarkRate());
105 meterBandDscpRemarkBuilder.setPrecLevel(dscpRemark.getPrecLevel());
106 MeterBandDscpRemarkCaseBuilder dscpCaseBuilder = new MeterBandDscpRemarkCaseBuilder();
107 dscpCaseBuilder.setMeterBandDscpRemark(meterBandDscpRemarkBuilder.build());
108 MeterBand meterBandItem = dscpCaseBuilder.build();
109 BandsBuilder bandsB = new BandsBuilder();
110 bandsB.setMeterBand(meterBandItem);
112 bands.add(bandsB.build());
114 logBandTypeMissing(MeterBandType.OFPMBTDSCPREMARK);
116 } else if (meterBandHeader.getMeterBandTypes().getFlags().getOfpmbtExperimenter()) {
117 if (meterBandHeader.getBandType() != null) {
118 MeterBandExperimenterBuilder meterBandExperimenterBuilder = new MeterBandExperimenterBuilder();
119 meterBandExperimenterBuilder.setType(MeterBandType.OFPMBTEXPERIMENTER);
120 Experimenter experimenter = (Experimenter) meterBandHeader.getBandType();
121 meterBandExperimenterBuilder.setBurstSize(experimenter.getExperimenterBurstSize());
122 meterBandExperimenterBuilder.setRate(experimenter.getExperimenterRate());
123 meterBandExperimenterBuilder.addAugmentation(new ExperimenterIdMeterBandBuilder()
124 .setExperimenter(new ExperimenterId(experimenter.getExperimenter()))
126 // TODO - implement / finish experimenter meter band translation
127 MeterBandExperimenterCaseBuilder experimenterCaseBuilder =
128 new MeterBandExperimenterCaseBuilder();
129 experimenterCaseBuilder.setMeterBandExperimenter(meterBandExperimenterBuilder.build());
130 MeterBand meterBandItem = experimenterCaseBuilder.build();
131 BandsBuilder bandsB = new BandsBuilder();
132 bandsB.setMeterBand(meterBandItem);
134 bands.add(bandsB.build());
136 logBandTypeMissing(MeterBandType.OFPMBTEXPERIMENTER);
140 LOG.error("Invalid meter band data found.");
146 private static void logBandTypeMissing(final MeterBandType meterBandType) {
147 LOG.error("BandType: {} No Band Data found", meterBandType);
151 public Collection<Class<?>> getTypes() {
156 public MeterModInputBuilder convert(final Meter source, final VersionConvertorData data) {
157 MeterModInputBuilder meterModInputBuilder = new MeterModInputBuilder();
158 List<Bands> bands = new ArrayList<>();
160 if (source instanceof AddMeterInput) {
161 meterModInputBuilder.setCommand(MeterModCommand.OFPMCADD);
162 } else if (source instanceof RemoveMeterInput) {
163 meterModInputBuilder.setCommand(MeterModCommand.OFPMCDELETE);
164 } else if (source instanceof UpdatedMeter) {
165 meterModInputBuilder.setCommand(MeterModCommand.OFPMCMODIFY);
168 meterModInputBuilder.setMeterId(new MeterId(source.getMeterId().getValue()));
169 final var sourceFlags = source.getFlags();
170 if (sourceFlags == null) {
172 * As per 0F1.3.1,The rate field indicates the rate value above
173 * which the corresponding band may apply to packets (see 5.7.1).
174 * The rate value is in kilobit per seconds, unless the flags eld
175 * includes OFPMF_PKTPS, in which case the rate is in packets per
178 meterModInputBuilder.setFlags(new MeterFlags(false, false, true, false));
180 meterModInputBuilder.setFlags(new MeterFlags(sourceFlags.getMeterBurst(), sourceFlags.getMeterKbps(),
181 sourceFlags.getMeterPktps(), sourceFlags.getMeterStats()));
184 if (source.getMeterBandHeaders() != null) {
185 getBandsFromSAL(source.getMeterBandHeaders(), bands);
186 meterModInputBuilder.setBands(bands);
188 LOG.error("For this meter Id {}, no associated band data found!", source.getMeterId().getValue());
191 meterModInputBuilder.setVersion(data.getVersion());
192 return meterModInputBuilder;