openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/factories/MultipartReplyMessageFactory.java

   1 /*
   2  * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
   3  *
   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
   7  */
   8
   9 package org.opendaylight.openflowjava.protocol.impl.deserialization.factories;
  10
  11 import io.netty.buffer.ByteBuf;
  12
  13 import java.math.BigInteger;
  14 import java.util.ArrayList;
  15 import java.util.List;
  16
  17 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
  18 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistryInjector;
  19 import org.opendaylight.openflowjava.protocol.api.extensibility.HeaderDeserializer;
  20 import org.opendaylight.openflowjava.protocol.api.extensibility.MessageCodeKey;
  21 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
  22 import org.opendaylight.openflowjava.protocol.impl.util.ByteBufUtils;
  23 import org.opendaylight.openflowjava.protocol.impl.util.DecodingUtils;
  24 import org.opendaylight.openflowjava.protocol.impl.util.EncodeConstants;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev100924.MacAddress;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ActionRelatedTableFeatureProperty;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ActionRelatedTableFeaturePropertyBuilder;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ExperimenterRelatedTableFeatureProperty;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ExperimenterRelatedTableFeaturePropertyBuilder;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.InstructionRelatedTableFeatureProperty;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.InstructionRelatedTableFeaturePropertyBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.NextTableRelatedTableFeatureProperty;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.NextTableRelatedTableFeaturePropertyBuilder;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OxmRelatedTableFeatureProperty;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OxmRelatedTableFeaturePropertyBuilder;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.table.features.properties.container.table.feature.properties.NextTableIds;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.table.features.properties.container.table.feature.properties.NextTableIdsBuilder;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.grouping.Action;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.Instruction;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ActionType;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.FlowModFlags;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupCapabilities;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupId;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupType;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupTypes;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MeterBandType;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MeterBandTypeBitmap;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MeterFlags;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MeterId;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartRequestFlags;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortConfig;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortFeatures;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortNumber;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortState;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.TableConfig;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.TableFeaturesPropType;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.match.grouping.Match;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReplyMessage;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReplyMessageBuilder;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.buckets.grouping.BucketsList;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.buckets.grouping.BucketsListBuilder;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.MeterBandDropCaseBuilder;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.MeterBandDscpRemarkCaseBuilder;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.MeterBandExperimenterCaseBuilder;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.meter.band.drop._case.MeterBandDropBuilder;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.meter.band.dscp.remark._case.MeterBandDscpRemarkBuilder;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.meter.band.experimenter._case.MeterBandExperimenterBuilder;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyAggregateCase;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyAggregateCaseBuilder;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyDescCase;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyDescCaseBuilder;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyExperimenterCase;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyExperimenterCaseBuilder;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyFlowCase;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyFlowCaseBuilder;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupCase;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupCaseBuilder;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupDescCase;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupDescCaseBuilder;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupFeaturesCase;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupFeaturesCaseBuilder;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyMeterCase;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyMeterCaseBuilder;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyMeterConfigCase;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyMeterConfigCaseBuilder;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyMeterFeaturesCase;
  88 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyMeterFeaturesCaseBuilder;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyPortDescCase;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyPortDescCaseBuilder;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyPortStatsCase;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyPortStatsCaseBuilder;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyQueueCase;
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyQueueCaseBuilder;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyTableCase;
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyTableCaseBuilder;
  97 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyTableFeaturesCase;
  98 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyTableFeaturesCaseBuilder;
  99 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.aggregate._case.MultipartReplyAggregateBuilder;
 100 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.desc._case.MultipartReplyDescBuilder;
 101 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.experimenter._case.MultipartReplyExperimenterBuilder;
 102 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.flow._case.MultipartReplyFlowBuilder;
 103 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.flow._case.multipart.reply.flow.FlowStats;
 104 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.flow._case.multipart.reply.flow.FlowStatsBuilder;
 105 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group._case.MultipartReplyGroupBuilder;
 106 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group._case.multipart.reply.group.GroupStats;
 107 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group._case.multipart.reply.group.GroupStatsBuilder;
 108 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group._case.multipart.reply.group.group.stats.BucketStats;
 109 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group._case.multipart.reply.group.group.stats.BucketStatsBuilder;
 110 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group.desc._case.MultipartReplyGroupDescBuilder;
 111 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group.desc._case.multipart.reply.group.desc.GroupDesc;
 112 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group.desc._case.multipart.reply.group.desc.GroupDescBuilder;
 113 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group.features._case.MultipartReplyGroupFeaturesBuilder;
 114 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter._case.MultipartReplyMeterBuilder;
 115 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter._case.multipart.reply.meter.MeterStats;
 116 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter._case.multipart.reply.meter.MeterStatsBuilder;
 117 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter._case.multipart.reply.meter.meter.stats.MeterBandStats;
 118 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter._case.multipart.reply.meter.meter.stats.MeterBandStatsBuilder;
 119 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter.config._case.MultipartReplyMeterConfigBuilder;
 120 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter.config._case.multipart.reply.meter.config.MeterConfig;
 121 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter.config._case.multipart.reply.meter.config.MeterConfigBuilder;
 122 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter.config._case.multipart.reply.meter.config.meter.config.Bands;
 123 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter.config._case.multipart.reply.meter.config.meter.config.BandsBuilder;
 124 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter.features._case.MultipartReplyMeterFeaturesBuilder;
 125 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.port.desc._case.MultipartReplyPortDescBuilder;
 126 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.port.desc._case.multipart.reply.port.desc.Ports;
 127 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.port.desc._case.multipart.reply.port.desc.PortsBuilder;
 128 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.port.stats._case.MultipartReplyPortStatsBuilder;
 129 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.port.stats._case.multipart.reply.port.stats.PortStats;
 130 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.port.stats._case.multipart.reply.port.stats.PortStatsBuilder;
 131 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.queue._case.MultipartReplyQueueBuilder;
 132 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.queue._case.multipart.reply.queue.QueueStats;
 133 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.queue._case.multipart.reply.queue.QueueStatsBuilder;
 134 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table._case.MultipartReplyTableBuilder;
 135 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table._case.multipart.reply.table.TableStats;
 136 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table._case.multipart.reply.table.TableStatsBuilder;
 137 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table.features._case.MultipartReplyTableFeaturesBuilder;
 138 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table.features._case.multipart.reply.table.features.TableFeatures;
 139 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table.features._case.multipart.reply.table.features.TableFeaturesBuilder;
 140 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.table.features.properties.grouping.TableFeatureProperties;
 141 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.table.features.properties.grouping.TableFeaturePropertiesBuilder;
 142
 143 /**
 144  * Translates MultipartReply messages
 145  * @author timotej.kubas
 146  * @author michal.polkorab
 147  */
 148 public class MultipartReplyMessageFactory implements OFDeserializer<MultipartReplyMessage>,
 149         DeserializerRegistryInjector {
 150
 151     private static final byte PADDING_IN_MULTIPART_REPLY_HEADER = 4;
 152     private static final int DESC_STR_LEN = 256;
 153     private static final int SERIAL_NUM_LEN = 32;
 154     private static final byte PADDING_IN_FLOW_STATS_HEADER_01 = 1;
 155     private static final byte PADDING_IN_FLOW_STATS_HEADER_02 = 4;
 156     private static final byte PADDING_IN_AGGREGATE_HEADER = 4;
 157     private static final byte PADDING_IN_TABLE_HEADER = 3;
 158     private static final byte PADDING_IN_MULTIPART_REPLY_TABLE_FEATURES = 5;
 159     private static final byte MAX_TABLE_NAME_LENGTH = 32;
 160     private static final byte MULTIPART_REPLY_TABLE_FEATURES_STRUCTURE_LENGTH = 64;
 161     private static final byte COMMON_PROPERTY_LENGTH = 4;
 162     private static final byte PADDING_IN_PORT_STATS_HEADER = 4;
 163     private static final byte PADDING_IN_GROUP_HEADER_01 = 2;
 164     private static final byte PADDING_IN_GROUP_HEADER_02 = 4;
 165     private static final byte BUCKET_COUNTER_LENGTH = 16;
 166     private static final byte GROUP_BODY_LENGTH = 40;
 167     private static final byte PADDING_IN_METER_FEATURES_HEADER = 2;
 168     private static final byte PADDING_IN_METER_STATS_HEADER = 6;
 169     private static final byte METER_BAND_STATS_LENGTH = 16;
 170     private static final byte METER_BODY_LENGTH = 40;
 171     private static final byte METER_CONFIG_LENGTH = 8;
 172     private static final byte PADDING_IN_METER_BAND_DROP_HEADER = 4;
 173     private static final byte PADDING_IN_METER_BAND_DSCP_HEADER = 3;
 174     private static final byte PADDING_IN_PORT_DESC_HEADER_01 = 4;
 175     private static final byte PADDING_IN_PORT_DESC_HEADER_02 = 2;
 176     private static final int GROUP_TYPES = 4;
 177     private static final byte PADDING_IN_GROUP_DESC_HEADER = 1;
 178     private static final byte PADDING_IN_BUCKETS_HEADER = 4;
 179     private static final byte GROUP_DESC_HEADER_LENGTH = 8;
 180     private static final byte BUCKETS_HEADER_LENGTH = 16;
 181     private DeserializerRegistry registry;
 182
 183     @Override
 184     public MultipartReplyMessage deserialize(ByteBuf rawMessage) {
 185         MultipartReplyMessageBuilder builder = new MultipartReplyMessageBuilder();
 186         builder.setVersion((short) EncodeConstants.OF13_VERSION_ID);
 187         builder.setXid(rawMessage.readUnsignedInt());
 188         int type = rawMessage.readUnsignedShort();
 189         builder.setType(MultipartType.forValue(type));
 190         builder.setFlags(new MultipartRequestFlags((rawMessage.readUnsignedShort() & 0x01) != 0));
 191         rawMessage.skipBytes(PADDING_IN_MULTIPART_REPLY_HEADER);
 192
 193         switch (type) {
 194         case 0:  builder.setMultipartReplyBody(setDesc(rawMessage));
 195                  break;
 196         case 1:  builder.setMultipartReplyBody(setFlow(rawMessage));
 197                  break;
 198         case 2:  builder.setMultipartReplyBody(setAggregate(rawMessage));
 199                  break;
 200         case 3:  builder.setMultipartReplyBody(setTable(rawMessage));
 201                  break;
 202         case 4:  builder.setMultipartReplyBody(setPortStats(rawMessage));
 203                  break;
 204         case 5:  builder.setMultipartReplyBody(setQueue(rawMessage));
 205                  break;
 206         case 6:  builder.setMultipartReplyBody(setGroup(rawMessage));
 207                  break;
 208         case 7:  builder.setMultipartReplyBody(setGroupDesc(rawMessage));
 209                  break;
 210         case 8:  builder.setMultipartReplyBody(setGroupFeatures(rawMessage));
 211                  break;
 212         case 9:  builder.setMultipartReplyBody(setMeter(rawMessage));
 213                  break;
 214         case 10: builder.setMultipartReplyBody(setMeterConfig(rawMessage));
 215                  break;
 216         case 11: builder.setMultipartReplyBody(setMeterFeatures(rawMessage));
 217                  break;
 218         case 12: builder.setMultipartReplyBody(setTableFeatures(rawMessage));
 219                  break;
 220         case 13: builder.setMultipartReplyBody(setPortDesc(rawMessage));
 221                  break;
 222         case 0xFFFF: builder.setMultipartReplyBody(setExperimenter(rawMessage));
 223                  break;
 224         default:
 225                  break;
 226         }
 227
 228         return builder.build();
 229     }
 230
 231     private static MultipartReplyDescCase setDesc(ByteBuf input) {
 232         MultipartReplyDescCaseBuilder caseBuilder = new MultipartReplyDescCaseBuilder();
 233         MultipartReplyDescBuilder descBuilder = new MultipartReplyDescBuilder();
 234         byte[] mfrDescBytes = new byte[DESC_STR_LEN];
 235         input.readBytes(mfrDescBytes);
 236         String mfrDesc = new String(mfrDescBytes);
 237         descBuilder.setMfrDesc(mfrDesc.trim());
 238         byte[] hwDescBytes = new byte[DESC_STR_LEN];
 239         input.readBytes(hwDescBytes);
 240         String hwDesc = new String(hwDescBytes);
 241         descBuilder.setHwDesc(hwDesc.trim());
 242         byte[] swDescBytes = new byte[DESC_STR_LEN];
 243         input.readBytes(swDescBytes);
 244         String swDesc = new String(swDescBytes);
 245         descBuilder.setSwDesc(swDesc.trim());
 246         byte[] serialNumBytes = new byte[SERIAL_NUM_LEN];
 247         input.readBytes(serialNumBytes);
 248         String serialNum = new String(serialNumBytes);
 249         descBuilder.setSerialNum(serialNum.trim());
 250         byte[] dpDescBytes = new byte[DESC_STR_LEN];
 251         input.readBytes(dpDescBytes);
 252         String dpDesc = new String(dpDescBytes);
 253         descBuilder.setDpDesc(dpDesc.trim());
 254         caseBuilder.setMultipartReplyDesc(descBuilder.build());
 255         return caseBuilder.build();
 256     }
 257
 258     private MultipartReplyFlowCase setFlow(ByteBuf input) {
 259         MultipartReplyFlowCaseBuilder caseBuilder = new MultipartReplyFlowCaseBuilder();
 260         MultipartReplyFlowBuilder flowBuilder = new MultipartReplyFlowBuilder();
 261         List<FlowStats> flowStatsList = new ArrayList<>();
 262         while (input.readableBytes() > 0) {
 263             FlowStatsBuilder flowStatsBuilder = new FlowStatsBuilder();
 264             int flowRecordLength = input.readUnsignedShort();
 265             ByteBuf subInput = input.readSlice(flowRecordLength - EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
 266             flowStatsBuilder.setTableId(subInput.readUnsignedByte());
 267             subInput.skipBytes(PADDING_IN_FLOW_STATS_HEADER_01);
 268             flowStatsBuilder.setDurationSec(subInput.readUnsignedInt());
 269             flowStatsBuilder.setDurationNsec(subInput.readUnsignedInt());
 270             flowStatsBuilder.setPriority(subInput.readUnsignedShort());
 271             flowStatsBuilder.setIdleTimeout(subInput.readUnsignedShort());
 272             flowStatsBuilder.setHardTimeout(subInput.readUnsignedShort());
 273             flowStatsBuilder.setFlags(createFlowModFlagsFromBitmap(subInput.readUnsignedShort()));
 274             subInput.skipBytes(PADDING_IN_FLOW_STATS_HEADER_02);
 275             byte[] cookie = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 276             subInput.readBytes(cookie);
 277             flowStatsBuilder.setCookie(new BigInteger(1, cookie));
 278             byte[] packetCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 279             subInput.readBytes(packetCount);
 280             flowStatsBuilder.setPacketCount(new BigInteger(1, packetCount));
 281             byte[] byteCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 282             subInput.readBytes(byteCount);
 283             flowStatsBuilder.setByteCount(new BigInteger(1, byteCount));
 284             OFDeserializer<Match> matchDeserializer = registry.getDeserializer(new MessageCodeKey(
 285                     EncodeConstants.OF13_VERSION_ID, EncodeConstants.EMPTY_VALUE, Match.class));
 286             flowStatsBuilder.setMatch(matchDeserializer.deserialize(subInput));
 287             OFDeserializer<Instruction> insDeserializer = registry.getDeserializer(new MessageCodeKey(
 288                     EncodeConstants.OF13_VERSION_ID, EncodeConstants.EMPTY_VALUE, Instruction.class));
 289             List<Instruction> instructions = DecodingUtils.deserializeList(
 290                     subInput.readableBytes(), subInput, insDeserializer);
 291             flowStatsBuilder.setInstruction(instructions);
 292             flowStatsList.add(flowStatsBuilder.build());
 293         }
 294         flowBuilder.setFlowStats(flowStatsList);
 295         caseBuilder.setMultipartReplyFlow(flowBuilder.build());
 296         return caseBuilder.build();
 297     }
 298
 299     private static FlowModFlags createFlowModFlagsFromBitmap(int input){
 300         final Boolean _oFPFFSENDFLOWREM = (input & (1 << 0)) != 0;
 301         final Boolean _oFPFFCHECKOVERLAP = (input & (1 << 1)) != 0;
 302         final Boolean _oFPFFRESETCOUNTS = (input & (1 << 2)) != 0;
 303         final Boolean _oFPFFNOPKTCOUNTS = (input & (1 << 3)) != 0;
 304         final Boolean _oFPFFNOBYTCOUNTS = (input & (1 << 4)) != 0;
 305         return new FlowModFlags(_oFPFFCHECKOVERLAP, _oFPFFNOBYTCOUNTS, _oFPFFNOPKTCOUNTS, _oFPFFRESETCOUNTS, _oFPFFSENDFLOWREM);
 306     }
 307
 308     private static MultipartReplyAggregateCase setAggregate(ByteBuf input) {
 309         MultipartReplyAggregateCaseBuilder caseBuilder = new MultipartReplyAggregateCaseBuilder();
 310         MultipartReplyAggregateBuilder builder = new MultipartReplyAggregateBuilder();
 311         byte[] packetCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 312         input.readBytes(packetCount);
 313         builder.setPacketCount(new BigInteger(1, packetCount));
 314         byte[] byteCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 315         input.readBytes(byteCount);
 316         builder.setByteCount(new BigInteger(1, byteCount));
 317         builder.setFlowCount(input.readUnsignedInt());
 318         input.skipBytes(PADDING_IN_AGGREGATE_HEADER);
 319         caseBuilder.setMultipartReplyAggregate(builder.build());
 320         return caseBuilder.build();
 321     }
 322
 323     private static MultipartReplyTableCase setTable(ByteBuf input) {
 324         MultipartReplyTableCaseBuilder caseBuilder = new MultipartReplyTableCaseBuilder();
 325         MultipartReplyTableBuilder builder = new MultipartReplyTableBuilder();
 326         List<TableStats> tableStatsList = new ArrayList<>();
 327         while (input.readableBytes() > 0) {
 328             TableStatsBuilder tableStatsBuilder = new TableStatsBuilder();
 329             tableStatsBuilder.setTableId(input.readUnsignedByte());
 330             input.skipBytes(PADDING_IN_TABLE_HEADER);
 331             tableStatsBuilder.setActiveCount(input.readUnsignedInt());
 332             byte[] lookupCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 333             input.readBytes(lookupCount);
 334             tableStatsBuilder.setLookupCount(new BigInteger(1, lookupCount));
 335             byte[] matchedCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 336             input.readBytes(matchedCount);
 337             tableStatsBuilder.setMatchedCount(new BigInteger(1, matchedCount));
 338             tableStatsList.add(tableStatsBuilder.build());
 339         }
 340         builder.setTableStats(tableStatsList);
 341         caseBuilder.setMultipartReplyTable(builder.build());
 342         return caseBuilder.build();
 343     }
 344
 345     private MultipartReplyTableFeaturesCase setTableFeatures(ByteBuf input) {
 346         MultipartReplyTableFeaturesCaseBuilder caseBuilder = new MultipartReplyTableFeaturesCaseBuilder();
 347         MultipartReplyTableFeaturesBuilder builder = new MultipartReplyTableFeaturesBuilder();
 348         List<TableFeatures> features = new ArrayList<>();
 349         while (input.readableBytes() > 0) {
 350             TableFeaturesBuilder featuresBuilder = new TableFeaturesBuilder();
 351             int length = input.readUnsignedShort();
 352             featuresBuilder.setTableId(input.readUnsignedByte());
 353             input.skipBytes(PADDING_IN_MULTIPART_REPLY_TABLE_FEATURES);
 354             featuresBuilder.setName(input.readBytes(MAX_TABLE_NAME_LENGTH).toString());
 355             byte[] metadataMatch = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 356             input.readBytes(metadataMatch);
 357             featuresBuilder.setMetadataMatch(metadataMatch);
 358             byte[] metadataWrite = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 359             input.readBytes(metadataWrite);
 360             featuresBuilder.setMetadataWrite(metadataWrite);
 361             featuresBuilder.setConfig(createTableConfig(input.readUnsignedInt()));
 362             featuresBuilder.setMaxEntries(input.readUnsignedInt());
 363             featuresBuilder.setTableFeatureProperties(createTableFeaturesProperties(input,
 364                     length - MULTIPART_REPLY_TABLE_FEATURES_STRUCTURE_LENGTH));
 365             features.add(featuresBuilder.build());
 366         }
 367         builder.setTableFeatures(features);
 368         caseBuilder.setMultipartReplyTableFeatures(builder.build());
 369         return caseBuilder.build();
 370     }
 371
 372     private static TableConfig createTableConfig(long input) {
 373         boolean deprecated = (input & 3) != 0;
 374         return new TableConfig(deprecated);
 375     }
 376
 377     private List<TableFeatureProperties> createTableFeaturesProperties(ByteBuf input, int length) {
 378         List<TableFeatureProperties> properties = new ArrayList<>();
 379         int tableFeaturesLength = length;
 380         while (tableFeaturesLength > 0) {
 381             TableFeaturePropertiesBuilder builder = new TableFeaturePropertiesBuilder();
 382             TableFeaturesPropType type = TableFeaturesPropType.forValue(input.readUnsignedShort());
 383             builder.setType(type);
 384             int propertyLength = input.readUnsignedShort();
 385             int paddingRemainder = propertyLength % EncodeConstants.PADDING;
 386             tableFeaturesLength -= propertyLength;
 387             if (type.equals(TableFeaturesPropType.OFPTFPTINSTRUCTIONS)
 388                     || type.equals(TableFeaturesPropType.OFPTFPTINSTRUCTIONSMISS)) {
 389                 InstructionRelatedTableFeaturePropertyBuilder insBuilder = new InstructionRelatedTableFeaturePropertyBuilder();
 390                 HeaderDeserializer<Instruction> insDeserializer = registry.getDeserializer(new MessageCodeKey(
 391                         EncodeConstants.OF13_VERSION_ID, EncodeConstants.EMPTY_VALUE, Instruction.class));
 392                 List<Instruction> instructions = DecodingUtils.deserializeHeaders(
 393                         propertyLength - COMMON_PROPERTY_LENGTH, input, insDeserializer);
 394                 insBuilder.setInstruction(instructions);
 395                 builder.addAugmentation(InstructionRelatedTableFeatureProperty.class, insBuilder.build());
 396             } else if (type.equals(TableFeaturesPropType.OFPTFPTNEXTTABLES)
 397                     || type.equals(TableFeaturesPropType.OFPTFPTNEXTTABLESMISS)) {
 398                 propertyLength -= COMMON_PROPERTY_LENGTH;
 399                 NextTableRelatedTableFeaturePropertyBuilder tableBuilder = new NextTableRelatedTableFeaturePropertyBuilder();
 400                 List<NextTableIds> ids = new ArrayList<>();
 401                 while (propertyLength > 0) {
 402                     NextTableIdsBuilder nextTableIdsBuilder = new NextTableIdsBuilder();
 403                     nextTableIdsBuilder.setTableId(input.readUnsignedByte());
 404                     ids.add(nextTableIdsBuilder.build());
 405                     propertyLength--;
 406                 }
 407                 tableBuilder.setNextTableIds(ids);
 408                 builder.addAugmentation(NextTableRelatedTableFeatureProperty.class, tableBuilder.build());
 409             } else if (type.equals(TableFeaturesPropType.OFPTFPTWRITEACTIONS)
 410                     || type.equals(TableFeaturesPropType.OFPTFPTWRITEACTIONSMISS)
 411                     || type.equals(TableFeaturesPropType.OFPTFPTAPPLYACTIONS)
 412                     || type.equals(TableFeaturesPropType.OFPTFPTAPPLYACTIONSMISS)) {
 413                 ActionRelatedTableFeaturePropertyBuilder actionBuilder = new ActionRelatedTableFeaturePropertyBuilder();
 414                 HeaderDeserializer<Action> deserializer = registry.getDeserializer(new MessageCodeKey(
 415                         EncodeConstants.OF13_VERSION_ID, EncodeConstants.EMPTY_VALUE, Action.class));
 416                 List<Action> actions = DecodingUtils.deserializeHeaders(
 417                         propertyLength - COMMON_PROPERTY_LENGTH, input, deserializer);
 418                 actionBuilder.setAction(actions);
 419                 builder.addAugmentation(ActionRelatedTableFeatureProperty.class, actionBuilder.build());
 420             } else if (type.equals(TableFeaturesPropType.OFPTFPTMATCH)
 421                     || type.equals(TableFeaturesPropType.OFPTFPTWILDCARDS)
 422                     || type.equals(TableFeaturesPropType.OFPTFPTWRITESETFIELD)
 423                     || type.equals(TableFeaturesPropType.OFPTFPTWRITESETFIELDMISS)
 424                     || type.equals(TableFeaturesPropType.OFPTFPTAPPLYSETFIELD)
 425                     || type.equals(TableFeaturesPropType.OFPTFPTAPPLYSETFIELDMISS)) {
 426                 OxmRelatedTableFeaturePropertyBuilder oxmBuilder = new OxmRelatedTableFeaturePropertyBuilder();
 427                 oxmBuilder.setMatchEntries(DecodingUtils.deserializeMatchEntryHeaders(
 428                         propertyLength - COMMON_PROPERTY_LENGTH, input, registry));
 429                 builder.addAugmentation(OxmRelatedTableFeatureProperty.class, oxmBuilder.build());
 430             } else if (type.equals(TableFeaturesPropType.OFPTFPTEXPERIMENTER)
 431                     || type.equals(TableFeaturesPropType.OFPTFPTEXPERIMENTERMISS)) {
 432                 ExperimenterRelatedTableFeaturePropertyBuilder expBuilder = new ExperimenterRelatedTableFeaturePropertyBuilder();
 433                 expBuilder.setExperimenter(input.readUnsignedInt());
 434                 expBuilder.setExpType(input.readUnsignedInt());
 435                 OFDeserializer<ExperimenterRelatedTableFeatureProperty> propDeserializer = registry.getDeserializer(
 436                         new MessageCodeKey(EncodeConstants.OF13_VERSION_ID,
 437                                 type.getIntValue(), ExperimenterRelatedTableFeatureProperty.class));
 438                 ExperimenterRelatedTableFeatureProperty expProp = propDeserializer.deserialize(input);
 439                 builder.addAugmentation(ExperimenterRelatedTableFeatureProperty.class, expProp);
 440             }
 441             if (paddingRemainder != 0) {
 442                 input.skipBytes(EncodeConstants.PADDING - paddingRemainder);
 443                 tableFeaturesLength -= EncodeConstants.PADDING - paddingRemainder;
 444             }
 445             properties.add(builder.build());
 446         }
 447         return properties;
 448     }
 449
 450     private static MultipartReplyPortStatsCase setPortStats(ByteBuf input) {
 451         MultipartReplyPortStatsCaseBuilder caseBuilder = new MultipartReplyPortStatsCaseBuilder();
 452         MultipartReplyPortStatsBuilder builder = new MultipartReplyPortStatsBuilder();
 453         List<PortStats> portStatsList = new ArrayList<>();
 454         while (input.readableBytes() > 0) {
 455             PortStatsBuilder portStatsBuilder = new PortStatsBuilder();
 456             portStatsBuilder.setPortNo(input.readUnsignedInt());
 457             input.skipBytes(PADDING_IN_PORT_STATS_HEADER);
 458             byte[] rxPackets = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 459             input.readBytes(rxPackets);
 460             portStatsBuilder.setRxPackets(new BigInteger(1, rxPackets));
 461             byte[] txPackets = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 462             input.readBytes(txPackets);
 463             portStatsBuilder.setTxPackets(new BigInteger(1, txPackets));
 464             byte[] rxBytes = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 465             input.readBytes(rxBytes);
 466             portStatsBuilder.setRxBytes(new BigInteger(1, rxBytes));
 467             byte[] txBytes = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 468             input.readBytes(txBytes);
 469             portStatsBuilder.setTxBytes(new BigInteger(1, txBytes));
 470             byte[] rxDropped = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 471             input.readBytes(rxDropped);
 472             portStatsBuilder.setRxDropped(new BigInteger(1, rxDropped));
 473             byte[] txDropped = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 474             input.readBytes(txDropped);
 475             portStatsBuilder.setTxDropped(new BigInteger(1, txDropped));
 476             byte[] rxErrors = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 477             input.readBytes(rxErrors);
 478             portStatsBuilder.setRxErrors(new BigInteger(1, rxErrors));
 479             byte[] txErrors = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 480             input.readBytes(txErrors);
 481             portStatsBuilder.setTxErrors(new BigInteger(1, txErrors));
 482             byte[] rxFrameErr = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 483             input.readBytes(rxFrameErr);
 484             portStatsBuilder.setRxFrameErr(new BigInteger(1, rxFrameErr));
 485             byte[] rxOverErr = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 486             input.readBytes(rxOverErr);
 487             portStatsBuilder.setRxOverErr(new BigInteger(1, rxOverErr));
 488             byte[] rxCrcErr = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 489             input.readBytes(rxCrcErr);
 490             portStatsBuilder.setRxCrcErr(new BigInteger(1, rxCrcErr));
 491             byte[] collisions = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 492             input.readBytes(collisions);
 493             portStatsBuilder.setCollisions(new BigInteger(1, collisions));
 494             portStatsBuilder.setDurationSec(input.readUnsignedInt());
 495             portStatsBuilder.setDurationNsec(input.readUnsignedInt());
 496             portStatsList.add(portStatsBuilder.build());
 497         }
 498         builder.setPortStats(portStatsList);
 499         caseBuilder.setMultipartReplyPortStats(builder.build());
 500         return caseBuilder.build();
 501     }
 502
 503     private static MultipartReplyQueueCase setQueue(ByteBuf input) {
 504         MultipartReplyQueueCaseBuilder caseBuilder = new MultipartReplyQueueCaseBuilder();
 505         MultipartReplyQueueBuilder builder = new MultipartReplyQueueBuilder();
 506         List<QueueStats> queueStatsList = new ArrayList<>();
 507         while (input.readableBytes() > 0) {
 508             QueueStatsBuilder queueStatsBuilder = new QueueStatsBuilder();
 509             queueStatsBuilder.setPortNo(input.readUnsignedInt());
 510             queueStatsBuilder.setQueueId(input.readUnsignedInt());
 511             byte[] txBytes = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 512             input.readBytes(txBytes);
 513             queueStatsBuilder.setTxBytes(new BigInteger(1, txBytes));
 514             byte[] txPackets = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 515             input.readBytes(txPackets);
 516             queueStatsBuilder.setTxPackets(new BigInteger(1, txPackets));
 517             byte[] txErrors = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 518             input.readBytes(txErrors);
 519             queueStatsBuilder.setTxErrors(new BigInteger(1, txErrors));
 520             queueStatsBuilder.setDurationSec(input.readUnsignedInt());
 521             queueStatsBuilder.setDurationNsec(input.readUnsignedInt());
 522             queueStatsList.add(queueStatsBuilder.build());
 523         }
 524         builder.setQueueStats(queueStatsList);
 525         caseBuilder.setMultipartReplyQueue(builder.build());
 526         return caseBuilder.build();
 527     }
 528
 529     private static MultipartReplyGroupCase setGroup(ByteBuf input) {
 530         MultipartReplyGroupCaseBuilder caseBuilder = new MultipartReplyGroupCaseBuilder();
 531         MultipartReplyGroupBuilder builder = new MultipartReplyGroupBuilder();
 532         List<GroupStats> groupStatsList = new ArrayList<>();
 533         while (input.readableBytes() > 0) {
 534             GroupStatsBuilder groupStatsBuilder = new GroupStatsBuilder();
 535             int bodyLength = input.readUnsignedShort();
 536             input.skipBytes(PADDING_IN_GROUP_HEADER_01);
 537             groupStatsBuilder.setGroupId(new GroupId(input.readUnsignedInt()));
 538             groupStatsBuilder.setRefCount(input.readUnsignedInt());
 539             input.skipBytes(PADDING_IN_GROUP_HEADER_02);
 540             byte[] packetCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 541             input.readBytes(packetCount);
 542             groupStatsBuilder.setPacketCount(new BigInteger(1, packetCount));
 543             byte[] byteCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 544             input.readBytes(byteCount);
 545             groupStatsBuilder.setByteCount(new BigInteger(1, byteCount));
 546             groupStatsBuilder.setDurationSec(input.readUnsignedInt());
 547             groupStatsBuilder.setDurationNsec(input.readUnsignedInt());
 548             int actualLength = GROUP_BODY_LENGTH;
 549             List<BucketStats> bucketStatsList = new ArrayList<>();
 550             while (actualLength < bodyLength) {
 551                 BucketStatsBuilder bucketStatsBuilder = new BucketStatsBuilder();
 552                 byte[] packetCountBucket = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 553                 input.readBytes(packetCountBucket);
 554                 bucketStatsBuilder.setPacketCount(new BigInteger(1, packetCountBucket));
 555                 byte[] byteCountBucket = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 556                 input.readBytes(byteCountBucket);
 557                 bucketStatsBuilder.setByteCount(new BigInteger(1, byteCountBucket));
 558                 bucketStatsList.add(bucketStatsBuilder.build());
 559                 actualLength += BUCKET_COUNTER_LENGTH;
 560             }
 561             groupStatsBuilder.setBucketStats(bucketStatsList);
 562             groupStatsList.add(groupStatsBuilder.build());
 563         }
 564         builder.setGroupStats(groupStatsList);
 565         caseBuilder.setMultipartReplyGroup(builder.build());
 566         return caseBuilder.build();
 567     }
 568
 569     private static MultipartReplyMeterFeaturesCase setMeterFeatures(ByteBuf input) {
 570         MultipartReplyMeterFeaturesCaseBuilder caseBuilder = new MultipartReplyMeterFeaturesCaseBuilder();
 571         MultipartReplyMeterFeaturesBuilder builder = new MultipartReplyMeterFeaturesBuilder();
 572         builder.setMaxMeter(input.readUnsignedInt());
 573         builder.setBandTypes(createMeterBandsBitmap(input.readUnsignedInt()));
 574         builder.setCapabilities(createMeterFlags(input.readUnsignedInt()));
 575         builder.setMaxBands(input.readUnsignedByte());
 576         builder.setMaxColor(input.readUnsignedByte());
 577         input.skipBytes(PADDING_IN_METER_FEATURES_HEADER);
 578         caseBuilder.setMultipartReplyMeterFeatures(builder.build());
 579         return caseBuilder.build();
 580     }
 581
 582     private static MeterFlags createMeterFlags(long input){
 583         final Boolean _oFPMFKBPS = (input & (1 << 0)) != 0;
 584         final Boolean _oFPMFPKTPS = (input & (1 << 1)) != 0;
 585         final Boolean _oFPMFBURST = (input & (1 << 2)) != 0;
 586         final Boolean _oFPMFSTATS = (input & (1 << 3)) != 0;
 587         return new MeterFlags(_oFPMFBURST, _oFPMFKBPS, _oFPMFPKTPS, _oFPMFSTATS);
 588     }
 589
 590     private static MeterBandTypeBitmap createMeterBandsBitmap(long input) {
 591         final Boolean _oFPMBTDROP = (input & (1 << 0)) != 0;
 592         final Boolean _oFPMBTDSCPREMARK = (input & (1 << 1)) != 0;
 593         return new MeterBandTypeBitmap(_oFPMBTDROP, _oFPMBTDSCPREMARK);
 594     }
 595
 596     private static MultipartReplyMeterCase setMeter(ByteBuf input) {
 597         MultipartReplyMeterCaseBuilder caseBuilder = new MultipartReplyMeterCaseBuilder();
 598         MultipartReplyMeterBuilder builder = new MultipartReplyMeterBuilder();
 599         List<MeterStats> meterStatsList = new ArrayList<>();
 600         while (input.readableBytes() > 0) {
 601             MeterStatsBuilder meterStatsBuilder = new MeterStatsBuilder();
 602             meterStatsBuilder.setMeterId(new MeterId(input.readUnsignedInt()));
 603             int meterStatsBodyLength = input.readUnsignedShort();
 604             input.skipBytes(PADDING_IN_METER_STATS_HEADER);
 605             meterStatsBuilder.setFlowCount(input.readUnsignedInt());
 606             byte[] packetInCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 607             input.readBytes(packetInCount);
 608             meterStatsBuilder.setPacketInCount(new BigInteger(1, packetInCount));
 609             byte[] byteInCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 610             input.readBytes(byteInCount);
 611             meterStatsBuilder.setByteInCount(new BigInteger(1, byteInCount));
 612             meterStatsBuilder.setDurationSec(input.readUnsignedInt());
 613             meterStatsBuilder.setDurationNsec(input.readUnsignedInt());
 614             int actualLength = METER_BODY_LENGTH;
 615             List<MeterBandStats> meterBandStatsList = new ArrayList<>();
 616             while (actualLength < meterStatsBodyLength) {
 617                 MeterBandStatsBuilder meterBandStatsBuilder = new MeterBandStatsBuilder();
 618                 byte[] packetBandCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 619                 input.readBytes(packetBandCount);
 620                 meterBandStatsBuilder.setPacketBandCount(new BigInteger(1, packetBandCount));
 621                 byte[] byteBandCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 622                 input.readBytes(byteBandCount);
 623                 meterBandStatsBuilder.setByteBandCount(new BigInteger(1, byteBandCount));
 624                 meterBandStatsList.add(meterBandStatsBuilder.build());
 625                 actualLength += METER_BAND_STATS_LENGTH;
 626             }
 627             meterStatsBuilder.setMeterBandStats(meterBandStatsList);
 628             meterStatsList.add(meterStatsBuilder.build());
 629         }
 630         builder.setMeterStats(meterStatsList);
 631         caseBuilder.setMultipartReplyMeter(builder.build());
 632         return caseBuilder.build();
 633     }
 634
 635     private static MultipartReplyMeterConfigCase setMeterConfig(ByteBuf input) {
 636         MultipartReplyMeterConfigCaseBuilder caseBuilder = new MultipartReplyMeterConfigCaseBuilder();
 637         MultipartReplyMeterConfigBuilder builder = new MultipartReplyMeterConfigBuilder();
 638         List<MeterConfig> meterConfigList = new ArrayList<>();
 639         while (input.readableBytes() > 0) {
 640             MeterConfigBuilder meterConfigBuilder = new MeterConfigBuilder();
 641             int meterConfigBodyLength = input.readUnsignedShort();
 642             meterConfigBuilder.setFlags(createMeterFlags(input.readUnsignedShort()));
 643             meterConfigBuilder.setMeterId(new MeterId(input.readUnsignedInt()));
 644             int actualLength = METER_CONFIG_LENGTH;
 645             List<Bands> bandsList = new ArrayList<>();
 646             while (actualLength < meterConfigBodyLength) {
 647                 BandsBuilder bandsBuilder = new BandsBuilder();
 648                 int bandType = input.readUnsignedShort();
 649                 switch (bandType) {
 650                     case 1:
 651                         MeterBandDropCaseBuilder bandDropCaseBuilder = new MeterBandDropCaseBuilder();
 652                         MeterBandDropBuilder bandDropBuilder = new MeterBandDropBuilder();
 653                         bandDropBuilder.setType(MeterBandType.forValue(bandType));
 654                         actualLength += input.readUnsignedShort();
 655                         bandDropBuilder.setRate(input.readUnsignedInt());
 656                         bandDropBuilder.setBurstSize(input.readUnsignedInt());
 657                         input.skipBytes(PADDING_IN_METER_BAND_DROP_HEADER);
 658                         bandDropCaseBuilder.setMeterBandDrop(bandDropBuilder.build());
 659                         bandsBuilder.setMeterBand(bandDropCaseBuilder.build());
 660                         break;
 661                     case 2:
 662                         MeterBandDscpRemarkCaseBuilder bandDscpRemarkCaseBuilder = new MeterBandDscpRemarkCaseBuilder();
 663                         MeterBandDscpRemarkBuilder bandDscpRemarkBuilder = new MeterBandDscpRemarkBuilder();
 664                         bandDscpRemarkBuilder.setType(MeterBandType.forValue(bandType));
 665                         actualLength += input.readUnsignedShort();
 666                         bandDscpRemarkBuilder.setRate(input.readUnsignedInt());
 667                         bandDscpRemarkBuilder.setBurstSize(input.readUnsignedInt());
 668                         bandDscpRemarkBuilder.setPrecLevel(input.readUnsignedByte());
 669                         input.skipBytes(PADDING_IN_METER_BAND_DSCP_HEADER);
 670                         bandDscpRemarkCaseBuilder.setMeterBandDscpRemark(bandDscpRemarkBuilder.build());
 671                         bandsBuilder.setMeterBand(bandDscpRemarkCaseBuilder.build());
 672                         break;
 673                     case 0xFFFF:
 674                         MeterBandExperimenterCaseBuilder bandExperimenterCaseBuilder = new MeterBandExperimenterCaseBuilder();
 675                         MeterBandExperimenterBuilder bandExperimenterBuilder = new MeterBandExperimenterBuilder();
 676                         bandExperimenterBuilder.setType(MeterBandType.forValue(bandType));
 677                         actualLength += input.readUnsignedShort();
 678                         bandExperimenterBuilder.setRate(input.readUnsignedInt());
 679                         bandExperimenterBuilder.setBurstSize(input.readUnsignedInt());
 680                         bandExperimenterBuilder.setExperimenter(input.readUnsignedInt());
 681                         bandExperimenterCaseBuilder.setMeterBandExperimenter(bandExperimenterBuilder.build());
 682                         bandsBuilder.setMeterBand(bandExperimenterCaseBuilder.build());
 683                         break;
 684                     default:
 685                         break;
 686                 }
 687                 bandsList.add(bandsBuilder.build());
 688             }
 689             meterConfigBuilder.setBands(bandsList);
 690             meterConfigList.add(meterConfigBuilder.build());
 691         }
 692         builder.setMeterConfig(meterConfigList);
 693         caseBuilder.setMultipartReplyMeterConfig(builder.build());
 694         return caseBuilder.build();
 695     }
 696
 697     private static MultipartReplyExperimenterCase setExperimenter(ByteBuf input) {
 698         MultipartReplyExperimenterCaseBuilder caseBuilder = new MultipartReplyExperimenterCaseBuilder();
 699         MultipartReplyExperimenterBuilder builder = new MultipartReplyExperimenterBuilder();
 700         builder.setExperimenter(input.readUnsignedInt());
 701         builder.setExpType(input.readUnsignedInt());
 702         byte[] data = new byte[input.readableBytes()];
 703         input.readBytes(data);
 704         builder.setData(data);
 705         caseBuilder.setMultipartReplyExperimenter(builder.build());
 706         return caseBuilder.build();
 707     }
 708
 709     private static MultipartReplyPortDescCase setPortDesc(ByteBuf input) {
 710         MultipartReplyPortDescCaseBuilder caseBuilder = new MultipartReplyPortDescCaseBuilder();
 711         MultipartReplyPortDescBuilder builder = new MultipartReplyPortDescBuilder();
 712         List<Ports> portsList = new ArrayList<>();
 713         while (input.readableBytes() > 0) {
 714             PortsBuilder portsBuilder = new PortsBuilder();
 715             portsBuilder.setPortNo(input.readUnsignedInt());
 716             input.skipBytes(PADDING_IN_PORT_DESC_HEADER_01);
 717             byte[] hwAddress = new byte[EncodeConstants.MAC_ADDRESS_LENGTH];
 718             input.readBytes(hwAddress);
 719             portsBuilder.setHwAddr(new MacAddress(ByteBufUtils.macAddressToString(hwAddress)));
 720             input.skipBytes(PADDING_IN_PORT_DESC_HEADER_02);
 721             portsBuilder.setName(ByteBufUtils.decodeNullTerminatedString(input, EncodeConstants.MAX_PORT_NAME_LENGTH));
 722             portsBuilder.setConfig(createPortConfig(input.readUnsignedInt()));
 723             portsBuilder.setState(createPortState(input.readUnsignedInt()));
 724             portsBuilder.setCurrentFeatures(createPortFeatures(input.readUnsignedInt()));
 725             portsBuilder.setAdvertisedFeatures(createPortFeatures(input.readUnsignedInt()));
 726             portsBuilder.setSupportedFeatures(createPortFeatures(input.readUnsignedInt()));
 727             portsBuilder.setPeerFeatures(createPortFeatures(input.readUnsignedInt()));
 728             portsBuilder.setCurrSpeed(input.readUnsignedInt());
 729             portsBuilder.setMaxSpeed(input.readUnsignedInt());
 730             portsList.add(portsBuilder.build());
 731         }
 732         builder.setPorts(portsList);
 733         caseBuilder.setMultipartReplyPortDesc(builder.build());
 734         return caseBuilder.build();
 735     }
 736
 737     private static PortConfig createPortConfig(long input){
 738         final Boolean _portDown   = ((input) & (1<<0)) != 0;
 739         final Boolean _noRecv    = ((input) & (1<<2)) != 0;
 740         final Boolean _noFwd       = ((input) & (1<<5)) != 0;
 741         final Boolean _noPacketIn = ((input) & (1<<6)) != 0;
 742         return new PortConfig(_noFwd, _noPacketIn, _noRecv, _portDown);
 743     }
 744
 745     private static PortState createPortState(long input){
 746         final Boolean _linkDown = ((input) & (1<<0)) != 0;
 747         final Boolean _blocked  = ((input) & (1<<1)) != 0;
 748         final Boolean _live     = ((input) & (1<<2)) != 0;
 749         return new PortState(_blocked, _linkDown, _live);
 750     }
 751
 752     private static PortFeatures createPortFeatures(long input){
 753         final Boolean _10mbHd = ((input) & (1<<0)) != 0;
 754         final Boolean _10mbFd = ((input) & (1<<1)) != 0;
 755         final Boolean _100mbHd = ((input) & (1<<2)) != 0;
 756         final Boolean _100mbFd = ((input) & (1<<3)) != 0;
 757         final Boolean _1gbHd = ((input) & (1<<4)) != 0;
 758         final Boolean _1gbFd = ((input) & (1<<5)) != 0;
 759         final Boolean _10gbFd = ((input) & (1<<6)) != 0;
 760         final Boolean _40gbFd = ((input) & (1<<7)) != 0;
 761         final Boolean _100gbFd = ((input) & (1<<8)) != 0;
 762         final Boolean _1tbFd = ((input) & (1<<9)) != 0;
 763         final Boolean _other = ((input) & (1<<10)) != 0;
 764         final Boolean _copper = ((input) & (1<<11)) != 0;
 765         final Boolean _fiber = ((input) & (1<<12)) != 0;
 766         final Boolean _autoneg = ((input) & (1<<13)) != 0;
 767         final Boolean _pause = ((input) & (1<<14)) != 0;
 768         final Boolean _pauseAsym = ((input) & (1<<15)) != 0;
 769         return new PortFeatures(_100gbFd, _100mbFd, _100mbHd, _10gbFd, _10mbFd, _10mbHd, _1gbFd,
 770                 _1gbHd, _1tbFd, _40gbFd, _autoneg, _copper, _fiber, _other, _pause, _pauseAsym);
 771     }
 772
 773     private static MultipartReplyGroupFeaturesCase setGroupFeatures(ByteBuf rawMessage) {
 774         MultipartReplyGroupFeaturesCaseBuilder caseBuilder = new MultipartReplyGroupFeaturesCaseBuilder();
 775         MultipartReplyGroupFeaturesBuilder featuresBuilder = new MultipartReplyGroupFeaturesBuilder();
 776         featuresBuilder.setTypes(createGroupType(rawMessage.readUnsignedInt()));
 777         featuresBuilder.setCapabilities(createCapabilities(rawMessage.readUnsignedInt()));
 778         List<Long> maxGroupsList = new ArrayList<>();
 779         for (int i = 0; i < GROUP_TYPES ; i++) {
 780             maxGroupsList.add(rawMessage.readUnsignedInt());
 781         }
 782         featuresBuilder.setMaxGroups(maxGroupsList);
 783         List<ActionType> actionBitmaps = new ArrayList<>();
 784         for (int i = 0; i < GROUP_TYPES ; i++) {
 785             actionBitmaps.add(createActionBitmap(rawMessage.readUnsignedInt()));
 786         }
 787         featuresBuilder.setActionsBitmap(actionBitmaps);
 788         caseBuilder.setMultipartReplyGroupFeatures(featuresBuilder.build());
 789         return caseBuilder.build();
 790     }
 791
 792     private static ActionType createActionBitmap(long input) {
 793         final Boolean OFPAT_OUTPUT = ((input) & (1<<0)) != 0;
 794         final Boolean OFPAT_COPY_TTL_OUT = ((input) & (1<<1)) != 0;
 795         final Boolean OFPAT_COPY_TTL_IN = ((input) & (1<<2)) != 0;
 796         final Boolean OFPAT_SET_MPLS_TTL = ((input) & (1<<3)) != 0;
 797         final Boolean OFPAT_DEC_MPLS_TTL = ((input) & (1<<4)) != 0;
 798         final Boolean OFPAT_PUSH_VLAN = ((input) & (1<<5)) != 0;
 799         final Boolean OFPAT_POP_VLAN = ((input) & (1<<6)) != 0;
 800         final Boolean OFPAT_PUSH_MPLS = ((input) & (1<<7)) != 0;
 801         final Boolean OFPAT_POP_MPLS = ((input) & (1<<8)) != 0;
 802         final Boolean OFPAT_SET_QUEUE = ((input) & (1<<9)) != 0;
 803         final Boolean OFPAT_GROUP = ((input) & (1<<10)) != 0;
 804         final Boolean OFPAT_SET_NW_TTL = ((input) & (1<<11)) != 0;
 805         final Boolean OFPAT_DEC_NW_TTL = ((input) & (1<<12)) != 0;
 806         final Boolean OFPAT_SET_FIELD = ((input) & (1<<13)) != 0;
 807         final Boolean OFPAT_PUSH_PBB = ((input) & (1<<14)) != 0;
 808         final Boolean OFPAT_POP_PBB = ((input) & (1<<15)) != 0;
 809         final Boolean OFPAT_EXPERIMENTER = ((input) & (1<<16)) != 0;
 810         return new ActionType(OFPAT_COPY_TTL_IN, OFPAT_COPY_TTL_OUT, OFPAT_DEC_MPLS_TTL,
 811                 OFPAT_DEC_NW_TTL, OFPAT_EXPERIMENTER, OFPAT_GROUP, OFPAT_OUTPUT, OFPAT_POP_MPLS,
 812                 OFPAT_POP_PBB, OFPAT_POP_VLAN, OFPAT_PUSH_MPLS, OFPAT_PUSH_PBB, OFPAT_PUSH_VLAN,
 813                 OFPAT_SET_FIELD, OFPAT_SET_MPLS_TTL, OFPAT_SET_NW_TTL, OFPAT_SET_QUEUE);
 814     }
 815
 816     private static GroupCapabilities createCapabilities(long input) {
 817         final Boolean OFOFPGFC_SELECT_WEIGHT = ((input) & (1<<0)) != 0;
 818         final Boolean OFPGFC_SELECT_LIVENESS = ((input) & (1<<1)) != 0;
 819         final Boolean OFPGFC_CHAINING = ((input) & (1<<2)) != 0;
 820         final Boolean OFPGFC_CHAINING_CHECKS = ((input) & (1<<3)) != 0;
 821         return new GroupCapabilities(OFPGFC_CHAINING, OFPGFC_CHAINING_CHECKS, OFPGFC_SELECT_LIVENESS, OFOFPGFC_SELECT_WEIGHT);
 822     }
 823
 824     private static GroupTypes createGroupType(long input) {
 825         final Boolean OFPGT_ALL = ((input) & (1<<0)) != 0;
 826         final Boolean OFPGT_SELECT = ((input) & (1<<1)) != 0;
 827         final Boolean OFPGT_INDIRECT = ((input) & (1<<2)) != 0;
 828         final Boolean OFPGT_FF = ((input) & (1<<3)) != 0;
 829         return new GroupTypes(OFPGT_ALL, OFPGT_FF, OFPGT_INDIRECT, OFPGT_SELECT);
 830     }
 831
 832     private MultipartReplyGroupDescCase setGroupDesc(ByteBuf input) {
 833         MultipartReplyGroupDescCaseBuilder caseBuilder = new MultipartReplyGroupDescCaseBuilder();
 834         MultipartReplyGroupDescBuilder builder = new MultipartReplyGroupDescBuilder();
 835         List<GroupDesc> groupDescsList = new ArrayList<>();
 836         while (input.readableBytes() > 0) {
 837             GroupDescBuilder groupDescBuilder = new GroupDescBuilder();
 838             int bodyLength = input.readUnsignedShort();
 839             groupDescBuilder.setType(GroupType.forValue(input.readUnsignedByte()));
 840             input.skipBytes(PADDING_IN_GROUP_DESC_HEADER);
 841             groupDescBuilder.setGroupId(new GroupId(input.readUnsignedInt()));
 842             int actualLength = GROUP_DESC_HEADER_LENGTH;
 843             List<BucketsList> bucketsList = new ArrayList<>();
 844             while (actualLength < bodyLength) {
 845                 BucketsListBuilder bucketsBuilder = new BucketsListBuilder();
 846                 int bucketsLength = input.readUnsignedShort();
 847                 bucketsBuilder.setWeight(input.readUnsignedShort());
 848                 bucketsBuilder.setWatchPort(new PortNumber(input.readUnsignedInt()));
 849                 bucketsBuilder.setWatchGroup(input.readUnsignedInt());
 850                 input.skipBytes(PADDING_IN_BUCKETS_HEADER);
 851                 OFDeserializer<Action> deserializer = registry.getDeserializer(new MessageCodeKey(
 852                         EncodeConstants.OF13_VERSION_ID, EncodeConstants.EMPTY_VALUE, Action.class));
 853                 List<Action> actionsList = DecodingUtils.deserializeList(
 854                         bucketsLength - BUCKETS_HEADER_LENGTH, input, deserializer);
 855                 bucketsBuilder.setAction(actionsList);
 856                 bucketsList.add(bucketsBuilder.build());
 857                 actualLength += bucketsLength;
 858             }
 859             groupDescBuilder.setBucketsList(bucketsList);
 860             groupDescsList.add(groupDescBuilder.build());
 861         }
 862         builder.setGroupDesc(groupDescsList);
 863         caseBuilder.setMultipartReplyGroupDesc(builder.build());
 864         return caseBuilder.build();
 865     }
 866
 867     @Override
 868     public void injectDeserializerRegistry(
 869             DeserializerRegistry deserializerRegistry) {
 870         registry = deserializerRegistry;
 871     }
 872 }