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