2 * Copyright (c) 2017 Pantheon Technologies s.r.o. 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.openflowplugin.impl.protocol.deserialization.multipart;
11 import io.netty.buffer.ByteBuf;
12 import java.util.ArrayList;
13 import java.util.List;
14 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
15 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
16 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
17 import org.opendaylight.openflowjava.protocol.api.keys.ExperimenterIdDeserializerKey;
18 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
19 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.statistics.rev131111.multipart.reply.multipart.reply.body.MultipartReplyMeterConfigBuilder;
20 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.BandId;
21 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.MeterBandType;
22 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.MeterFlags;
23 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.MeterId;
24 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.band.type.band.type.DropBuilder;
25 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.band.type.band.type.DscpRemarkBuilder;
26 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.band.type.band.type.Experimenter;
27 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.MeterBandHeadersBuilder;
28 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.config.stats.reply.MeterConfigStats;
29 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.config.stats.reply.MeterConfigStatsBuilder;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.config.stats.reply.MeterConfigStatsKey;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.meter.band.headers.MeterBandHeader;
32 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.meter.band.headers.MeterBandHeaderBuilder;
33 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.meter.band.headers.MeterBandHeaderKey;
34 import org.opendaylight.yang.gen.v1.urn.opendaylight.meter.types.rev130918.meter.meter.band.headers.meter.band.header.MeterBandTypesBuilder;
35 import org.opendaylight.yang.gen.v1.urn.opendaylight.multipart.types.rev170112.multipart.reply.MultipartReplyBody;
36 import org.slf4j.Logger;
37 import org.slf4j.LoggerFactory;
39 public class MultipartReplyMeterConfigDeserializer implements OFDeserializer<MultipartReplyBody>,
40 DeserializerRegistryInjector {
42 private static final Logger LOG = LoggerFactory.getLogger(MultipartReplyMeterConfigDeserializer.class);
44 private static final byte METER_CONFIG_LENGTH = 8;
45 private static final int OFPMBTDROP = 1;
46 private static final int OFPMBTDSCP = 2;
47 private static final int OFPMBTEXPERIMENTER = 0xFFFF;
48 private static final byte PADDING_IN_METER_BAND_DROP_HEADER = 4;
49 private static final byte PADDING_IN_METER_BAND_DSCP_HEADER = 3;
51 private DeserializerRegistry registry;
54 public MultipartReplyBody deserialize(ByteBuf message) {
55 final MultipartReplyMeterConfigBuilder builder = new MultipartReplyMeterConfigBuilder();
56 final List<MeterConfigStats> items = new ArrayList<>();
58 while (message.readableBytes() > 0) {
59 final int itemLength = message.readUnsignedShort();
61 final MeterConfigStatsBuilder itemBuilder = new MeterConfigStatsBuilder()
62 .setFlags(readMeterFlags(message))
63 .setMeterId(new MeterId(message.readUnsignedInt()));
65 final List<MeterBandHeader> subItems = new ArrayList<>();
66 int actualLength = METER_CONFIG_LENGTH;
69 while (actualLength < itemLength) {
70 final int itemStartIndex = message.readerIndex();
71 final int itemBandType = message.readUnsignedShort();
72 final MeterBandHeaderBuilder subItemBuilder = new MeterBandHeaderBuilder();
73 actualLength += message.readUnsignedShort();
75 switch (itemBandType) {
78 .setMeterBandTypes(new MeterBandTypesBuilder()
79 .setFlags(new MeterBandType(true, false, false))
81 .setBandType(new DropBuilder()
82 .setDropRate(message.readUnsignedInt())
83 .setDropBurstSize(message.readUnsignedInt())
85 message.skipBytes(PADDING_IN_METER_BAND_DROP_HEADER);
90 .setMeterBandTypes(new MeterBandTypesBuilder()
91 .setFlags(new MeterBandType(false, true, false))
93 .setBandType(new DscpRemarkBuilder()
94 .setDscpRemarkRate(message.readUnsignedInt())
95 .setDscpRemarkBurstSize(message.readUnsignedInt())
96 .setPrecLevel(message.readUnsignedByte())
98 message.skipBytes(PADDING_IN_METER_BAND_DSCP_HEADER);
101 case OFPMBTEXPERIMENTER:
102 // TODO: Finish meter band experimenter deserialization
103 final long expId = message.getUnsignedInt(message.readerIndex() + 2 * Integer.BYTES);
104 message.readerIndex(itemStartIndex);
106 final OFDeserializer<Experimenter> deserializer = registry.getDeserializer(
107 new ExperimenterIdDeserializerKey(EncodeConstants.OF13_VERSION_ID, expId,
108 Experimenter.class));
111 .setMeterBandTypes(new MeterBandTypesBuilder()
112 .setFlags(new MeterBandType(false, false, true))
114 .setBandType(deserializer.deserialize(message));
120 subItems.add(subItemBuilder.withKey(new MeterBandHeaderKey(new BandId(bandKey++))).build());
123 items.add(itemBuilder
124 .withKey(new MeterConfigStatsKey(itemBuilder.getMeterId()))
125 .setMeterBandHeaders(new MeterBandHeadersBuilder()
126 .setMeterBandHeader(subItems)
132 .setMeterConfigStats(items)
136 private static MeterFlags readMeterFlags(ByteBuf message) {
137 int input = message.readUnsignedShort();
138 final Boolean mfKbps = (input & (1)) != 0;
139 final Boolean mfPktps = (input & (1 << 1)) != 0;
140 final Boolean mfBurst = (input & (1 << 2)) != 0;
141 final Boolean mfStats = (input & (1 << 3)) != 0;
142 return new MeterFlags(mfBurst, mfKbps, mfPktps, mfStats);
146 public void injectDeserializerRegistry(DeserializerRegistry deserializerRegistry) {
147 registry = deserializerRegistry;