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.ActionsList;
  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.BucketsList;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.buckets.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.TableFeatureProperties;
 137 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.table.features.properties.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 byte MAX_PORT_NAME_LEN = 16;
 172     private static final int GROUP_TYPES = 4;
 173     private static final byte PADDING_IN_GROUP_DESC_HEADER = 1;
 174     private static final byte PADDING_IN_BUCKETS_HEADER = 4;
 175     private static final byte GROUP_DESC_HEADER_LENGTH = 8;
 176     private static final byte BUCKETS_HEADER_LENGTH = 16;
 177
 178
 179     private static MultipartReplyMessageFactory instance;
 180
 181     private MultipartReplyMessageFactory() {
 182         // singleton
 183     }
 184
 185     /**
 186      * @return singleton factory
 187      */
 188     public static synchronized MultipartReplyMessageFactory getInstance() {
 189         if (instance == null){
 190             instance = new MultipartReplyMessageFactory();
 191         }
 192         return instance;
 193     }
 194
 195     @Override
 196     public MultipartReplyMessage bufferToMessage(ByteBuf rawMessage, short version) {
 197         MultipartReplyMessageBuilder builder = new MultipartReplyMessageBuilder();
 198         builder.setVersion(version);
 199         builder.setXid(rawMessage.readUnsignedInt());
 200         int type = rawMessage.readUnsignedShort();
 201         builder.setType(MultipartType.forValue(type));
 202         builder.setFlags(new MultipartRequestFlags((rawMessage.readUnsignedShort() & 0x01) != 0));
 203         rawMessage.skipBytes(PADDING_IN_MULTIPART_REPLY_HEADER);
 204
 205         switch (type) {
 206         case 0:  builder.setMultipartReplyBody(setDesc(rawMessage));
 207                  break;
 208         case 1:  builder.setMultipartReplyBody(setFlow(rawMessage));
 209                  break;
 210         case 2:  builder.setMultipartReplyBody(setAggregate(rawMessage));
 211                  break;
 212         case 3:  builder.setMultipartReplyBody(setTable(rawMessage));
 213                  break;
 214         case 4:  builder.setMultipartReplyBody(setPortStats(rawMessage));
 215                  break;
 216         case 5:  builder.setMultipartReplyBody(setQueue(rawMessage));
 217                  break;
 218         case 6:  builder.setMultipartReplyBody(setGroup(rawMessage));
 219                  break;
 220         case 7:  builder.setMultipartReplyBody(setGroupDesc(rawMessage));
 221                  break;
 222         case 8:  builder.setMultipartReplyBody(setGroupFeatures(rawMessage));
 223                  break;
 224         case 9:  builder.setMultipartReplyBody(setMeter(rawMessage));
 225                  break;
 226         case 10: builder.setMultipartReplyBody(setMeterConfig(rawMessage));
 227                  break;
 228         case 11: builder.setMultipartReplyBody(setMeterFeatures(rawMessage));
 229                  break;
 230         case 12: builder.setMultipartReplyBody(setTableFeatures(rawMessage));
 231                  break;
 232         case 13: builder.setMultipartReplyBody(setPortDesc(rawMessage));
 233                  break;
 234         case 0xFFFF: builder.setMultipartReplyBody(setExperimenter(rawMessage));
 235                  break;
 236         default:
 237                  break;
 238         }
 239
 240         return builder.build();
 241     }
 242
 243     private static MultipartReplyDescCase setDesc(ByteBuf input) {
 244         MultipartReplyDescCaseBuilder caseBuilder = new MultipartReplyDescCaseBuilder();
 245         MultipartReplyDescBuilder descBuilder = new MultipartReplyDescBuilder();
 246         byte[] mfrDescBytes = new byte[DESC_STR_LEN];
 247         input.readBytes(mfrDescBytes);
 248         String mfrDesc = new String(mfrDescBytes);
 249         descBuilder.setMfrDesc(mfrDesc.trim());
 250         byte[] hwDescBytes = new byte[DESC_STR_LEN];
 251         input.readBytes(hwDescBytes);
 252         String hwDesc = new String(hwDescBytes);
 253         descBuilder.setHwDesc(hwDesc.trim());
 254         byte[] swDescBytes = new byte[DESC_STR_LEN];
 255         input.readBytes(swDescBytes);
 256         String swDesc = new String(swDescBytes);
 257         descBuilder.setSwDesc(swDesc.trim());
 258         byte[] serialNumBytes = new byte[SERIAL_NUM_LEN];
 259         input.readBytes(serialNumBytes);
 260         String serialNum = new String(serialNumBytes);
 261         descBuilder.setSerialNum(serialNum.trim());
 262         byte[] dpDescBytes = new byte[DESC_STR_LEN];
 263         input.readBytes(dpDescBytes);
 264         String dpDesc = new String(dpDescBytes);
 265         descBuilder.setDpDesc(dpDesc.trim());
 266         caseBuilder.setMultipartReplyDesc(descBuilder.build());
 267         return caseBuilder.build();
 268     }
 269
 270     private static MultipartReplyFlowCase setFlow(ByteBuf input) {
 271         MultipartReplyFlowCaseBuilder caseBuilder = new MultipartReplyFlowCaseBuilder();
 272         MultipartReplyFlowBuilder flowBuilder = new MultipartReplyFlowBuilder();
 273         List<FlowStats> flowStatsList = new ArrayList<>();
 274         while (input.readableBytes() > 0) {
 275             FlowStatsBuilder flowStatsBuilder = new FlowStatsBuilder();
 276             input.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
 277             flowStatsBuilder.setTableId(input.readUnsignedByte());
 278             input.skipBytes(PADDING_IN_FLOW_STATS_HEADER_01);
 279             flowStatsBuilder.setDurationSec(input.readUnsignedInt());
 280             flowStatsBuilder.setDurationNsec(input.readUnsignedInt());
 281             flowStatsBuilder.setPriority(input.readUnsignedShort());
 282             flowStatsBuilder.setIdleTimeout(input.readUnsignedShort());
 283             flowStatsBuilder.setHardTimeout(input.readUnsignedShort());
 284             flowStatsBuilder.setFlags(createFlowModFlagsFromBitmap(input.readShort()));
 285             input.skipBytes(PADDING_IN_FLOW_STATS_HEADER_02);
 286             byte[] cookie = new byte[Long.SIZE/Byte.SIZE];
 287             input.readBytes(cookie);
 288             flowStatsBuilder.setCookie(new BigInteger(cookie));
 289             byte[] packetCount = new byte[Long.SIZE/Byte.SIZE];
 290             input.readBytes(packetCount);
 291             flowStatsBuilder.setPacketCount(new BigInteger(packetCount));
 292             byte[] byteCount = new byte[Long.SIZE/Byte.SIZE];
 293             input.readBytes(byteCount);
 294             flowStatsBuilder.setByteCount(new BigInteger(byteCount));
 295             flowStatsBuilder.setMatch(MatchDeserializer.createMatch(input));
 296             flowStatsBuilder.setInstructions(InstructionsDeserializer.createInstructions(input, input.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(short 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[Long.SIZE/Byte.SIZE];
 317         input.readBytes(packetCount);
 318         builder.setPacketCount(new BigInteger(packetCount));
 319         byte[] byteCount = new byte[Long.SIZE/Byte.SIZE];
 320         input.readBytes(byteCount);
 321         builder.setByteCount(new BigInteger(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[Long.SIZE/Byte.SIZE];
 338             input.readBytes(lookupCount);
 339             tableStatsBuilder.setLookupCount(new BigInteger(lookupCount));
 340             byte[] matchedCount = new byte[Long.SIZE/Byte.SIZE];
 341             input.readBytes(matchedCount);
 342             tableStatsBuilder.setMatchedCount(new BigInteger(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             tableFeaturesLength -= propertyLength;
 391             if (type.equals(TableFeaturesPropType.OFPTFPTINSTRUCTIONS)
 392                     || type.equals(TableFeaturesPropType.OFPTFPTINSTRUCTIONSMISS)) {
 393                 InstructionRelatedTableFeaturePropertyBuilder insBuilder = new InstructionRelatedTableFeaturePropertyBuilder();
 394                 insBuilder.setInstructions(InstructionsDeserializer.createInstructions(input, propertyLength - COMMON_PROPERTY_LENGTH));
 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                 }
 406                 tableBuilder.setNextTableIds(ids);
 407                 builder.addAugmentation(NextTableRelatedTableFeatureProperty.class, tableBuilder.build());
 408             } else if (type.equals(TableFeaturesPropType.OFPTFPTWRITEACTIONS)
 409                     || type.equals(TableFeaturesPropType.OFPTFPTWRITEACTIONSMISS)
 410                     || type.equals(TableFeaturesPropType.OFPTFPTAPPLYACTIONS)
 411                     || type.equals(TableFeaturesPropType.OFPTFPTAPPLYACTIONSMISS)) {
 412                 ActionRelatedTableFeaturePropertyBuilder actionBuilder = new ActionRelatedTableFeaturePropertyBuilder();
 413                 actionBuilder.setActionsList(ActionsDeserializer.createActionsList(input, propertyLength - COMMON_PROPERTY_LENGTH));
 414                 builder.addAugmentation(ActionRelatedTableFeatureProperty.class, actionBuilder.build());
 415             } else if (type.equals(TableFeaturesPropType.OFPTFPTMATCH)
 416                     || type.equals(TableFeaturesPropType.OFPTFPTWILDCARDS)
 417                     || type.equals(TableFeaturesPropType.OFPTFPTWRITESETFIELD)
 418                     || type.equals(TableFeaturesPropType.OFPTFPTWRITESETFIELDMISS)
 419                     || type.equals(TableFeaturesPropType.OFPTFPTAPPLYSETFIELD)
 420                     || type.equals(TableFeaturesPropType.OFPTFPTAPPLYSETFIELDMISS)) {
 421                 OxmRelatedTableFeaturePropertyBuilder oxmBuilder = new OxmRelatedTableFeaturePropertyBuilder();
 422                 oxmBuilder.setMatchEntries(MatchDeserializer.createMatchEntries(input, propertyLength - COMMON_PROPERTY_LENGTH));
 423                 builder.addAugmentation(OxmRelatedTableFeatureProperty.class, oxmBuilder.build());
 424             } else if (type.equals(TableFeaturesPropType.OFPTFPTEXPERIMENTER)
 425                     || type.equals(TableFeaturesPropType.OFPTFPTEXPERIMENTERMISS)) {
 426                 final byte EXPERIMENTER_PROPERTY_LENGTH = 12;
 427                 ExperimenterRelatedTableFeaturePropertyBuilder expBuilder = new ExperimenterRelatedTableFeaturePropertyBuilder();
 428                 expBuilder.setExperimenter(input.readUnsignedInt());
 429                 expBuilder.setExpType(input.readUnsignedInt());
 430                 byte[] data = new byte[propertyLength - EXPERIMENTER_PROPERTY_LENGTH];
 431                 input.readBytes(data);
 432                 expBuilder.setData(data);
 433                 builder.addAugmentation(ExperimenterRelatedTableFeatureProperty.class, expBuilder.build());
 434             }
 435             properties.add(builder.build());
 436         }
 437         return properties;
 438     }
 439
 440     private static MultipartReplyPortStatsCase setPortStats(ByteBuf input) {
 441         MultipartReplyPortStatsCaseBuilder caseBuilder = new MultipartReplyPortStatsCaseBuilder();
 442         MultipartReplyPortStatsBuilder builder = new MultipartReplyPortStatsBuilder();
 443         List<PortStats> portStatsList = new ArrayList<>();
 444         while (input.readableBytes() > 0) {
 445             PortStatsBuilder portStatsBuilder = new PortStatsBuilder();
 446             portStatsBuilder.setPortNo(input.readUnsignedInt());
 447             input.skipBytes(PADDING_IN_PORT_STATS_HEADER);
 448             byte[] rxPackets = new byte[Long.SIZE/Byte.SIZE];
 449             input.readBytes(rxPackets);
 450             portStatsBuilder.setRxPackets(new BigInteger(rxPackets));
 451             byte[] txPackets = new byte[Long.SIZE/Byte.SIZE];
 452             input.readBytes(txPackets);
 453             portStatsBuilder.setTxPackets(new BigInteger(txPackets));
 454             byte[] rxBytes = new byte[Long.SIZE/Byte.SIZE];
 455             input.readBytes(rxBytes);
 456             portStatsBuilder.setRxBytes(new BigInteger(rxBytes));
 457             byte[] txBytes = new byte[Long.SIZE/Byte.SIZE];
 458             input.readBytes(txBytes);
 459             portStatsBuilder.setTxBytes(new BigInteger(txBytes));
 460             byte[] rxDropped = new byte[Long.SIZE/Byte.SIZE];
 461             input.readBytes(rxDropped);
 462             portStatsBuilder.setRxDropped(new BigInteger(rxDropped));
 463             byte[] txDropped = new byte[Long.SIZE/Byte.SIZE];
 464             input.readBytes(txDropped);
 465             portStatsBuilder.setTxDropped(new BigInteger(txDropped));
 466             byte[] rxErrors = new byte[Long.SIZE/Byte.SIZE];
 467             input.readBytes(rxErrors);
 468             portStatsBuilder.setRxErrors(new BigInteger(rxErrors));
 469             byte[] txErrors = new byte[Long.SIZE/Byte.SIZE];
 470             input.readBytes(txErrors);
 471             portStatsBuilder.setTxErrors(new BigInteger(txErrors));
 472             byte[] rxFrameErr = new byte[Long.SIZE/Byte.SIZE];
 473             input.readBytes(rxFrameErr);
 474             portStatsBuilder.setRxFrameErr(new BigInteger(rxFrameErr));
 475             byte[] rxOverErr = new byte[Long.SIZE/Byte.SIZE];
 476             input.readBytes(rxOverErr);
 477             portStatsBuilder.setRxOverErr(new BigInteger(rxOverErr));
 478             byte[] rxCrcErr = new byte[Long.SIZE/Byte.SIZE];
 479             input.readBytes(rxCrcErr);
 480             portStatsBuilder.setRxCrcErr(new BigInteger(rxCrcErr));
 481             byte[] collisions = new byte[Long.SIZE/Byte.SIZE];
 482             input.readBytes(collisions);
 483             portStatsBuilder.setCollisions(new BigInteger(collisions));
 484             portStatsBuilder.setDurationSec(input.readUnsignedInt());
 485             portStatsBuilder.setDurationNsec(input.readUnsignedInt());
 486             portStatsList.add(portStatsBuilder.build());
 487         }
 488         builder.setPortStats(portStatsList);
 489         caseBuilder.setMultipartReplyPortStats(builder.build());
 490         return caseBuilder.build();
 491     }
 492
 493     private static MultipartReplyQueueCase setQueue(ByteBuf input) {
 494         MultipartReplyQueueCaseBuilder caseBuilder = new MultipartReplyQueueCaseBuilder();
 495         MultipartReplyQueueBuilder builder = new MultipartReplyQueueBuilder();
 496         List<QueueStats> queueStatsList = new ArrayList<>();
 497         while (input.readableBytes() > 0) {
 498             QueueStatsBuilder queueStatsBuilder = new QueueStatsBuilder();
 499             queueStatsBuilder.setPortNo(input.readUnsignedInt());
 500             queueStatsBuilder.setQueueId(input.readUnsignedInt());
 501             byte[] txBytes = new byte[Long.SIZE/Byte.SIZE];
 502             input.readBytes(txBytes);
 503             queueStatsBuilder.setTxBytes(new BigInteger(txBytes));
 504             byte[] txPackets = new byte[Long.SIZE/Byte.SIZE];
 505             input.readBytes(txPackets);
 506             queueStatsBuilder.setTxPackets(new BigInteger(txPackets));
 507             byte[] txErrors = new byte[Long.SIZE/Byte.SIZE];
 508             input.readBytes(txErrors);
 509             queueStatsBuilder.setTxErrors(new BigInteger(txErrors));
 510             queueStatsBuilder.setDurationSec(input.readUnsignedInt());
 511             queueStatsBuilder.setDurationNsec(input.readUnsignedInt());
 512             queueStatsList.add(queueStatsBuilder.build());
 513         }
 514         builder.setQueueStats(queueStatsList);
 515         caseBuilder.setMultipartReplyQueue(builder.build());
 516         return caseBuilder.build();
 517     }
 518
 519     private static MultipartReplyGroupCase setGroup(ByteBuf input) {
 520         MultipartReplyGroupCaseBuilder caseBuilder = new MultipartReplyGroupCaseBuilder();
 521         MultipartReplyGroupBuilder builder = new MultipartReplyGroupBuilder();
 522         List<GroupStats> groupStatsList = new ArrayList<>();
 523         while (input.readableBytes() > 0) {
 524             GroupStatsBuilder groupStatsBuilder = new GroupStatsBuilder();
 525             int bodyLength = input.readUnsignedShort();
 526             input.skipBytes(PADDING_IN_GROUP_HEADER_01);
 527             groupStatsBuilder.setGroupId(new GroupId(input.readUnsignedInt()));
 528             groupStatsBuilder.setRefCount(input.readUnsignedInt());
 529             input.skipBytes(PADDING_IN_GROUP_HEADER_02);
 530             byte[] packetCount = new byte[Long.SIZE/Byte.SIZE];
 531             input.readBytes(packetCount);
 532             groupStatsBuilder.setPacketCount(new BigInteger(packetCount));
 533             byte[] byteCount = new byte[Long.SIZE/Byte.SIZE];
 534             input.readBytes(byteCount);
 535             groupStatsBuilder.setByteCount(new BigInteger(byteCount));
 536             groupStatsBuilder.setDurationSec(input.readUnsignedInt());
 537             groupStatsBuilder.setDurationNsec(input.readUnsignedInt());
 538             int actualLength = GROUP_BODY_LENGTH;
 539             List<BucketStats> bucketStatsList = new ArrayList<>();
 540             while (actualLength < bodyLength) {
 541                 BucketStatsBuilder bucketStatsBuilder = new BucketStatsBuilder();
 542                 byte[] packetCountBucket = new byte[Long.SIZE/Byte.SIZE];
 543                 input.readBytes(packetCountBucket);
 544                 bucketStatsBuilder.setPacketCount(new BigInteger(packetCountBucket));
 545                 byte[] byteCountBucket = new byte[Long.SIZE/Byte.SIZE];
 546                 input.readBytes(byteCountBucket);
 547                 bucketStatsBuilder.setByteCount(new BigInteger(byteCountBucket));
 548                 bucketStatsList.add(bucketStatsBuilder.build());
 549                 actualLength += BUCKET_COUNTER_LENGTH;
 550             }
 551             groupStatsBuilder.setBucketStats(bucketStatsList);
 552             groupStatsList.add(groupStatsBuilder.build());
 553         }
 554         builder.setGroupStats(groupStatsList);
 555         caseBuilder.setMultipartReplyGroup(builder.build());
 556         return caseBuilder.build();
 557     }
 558
 559     private static MultipartReplyMeterFeaturesCase setMeterFeatures(ByteBuf input) {
 560         MultipartReplyMeterFeaturesCaseBuilder caseBuilder = new MultipartReplyMeterFeaturesCaseBuilder();
 561         MultipartReplyMeterFeaturesBuilder builder = new MultipartReplyMeterFeaturesBuilder();
 562         builder.setMaxMeter(input.readUnsignedInt());
 563         builder.setBandTypes(createMeterBandsBitmap(input.readUnsignedInt()));
 564         builder.setCapabilities(createMeterFlags(input.readUnsignedInt()));
 565         builder.setMaxBands(input.readUnsignedByte());
 566         builder.setMaxColor(input.readUnsignedByte());
 567         input.skipBytes(PADDING_IN_METER_FEATURES_HEADER);
 568         caseBuilder.setMultipartReplyMeterFeatures(builder.build());
 569         return caseBuilder.build();
 570     }
 571
 572     private static MeterFlags createMeterFlags(long input){
 573         final Boolean _oFPMFKBPS = (input & (1 << 0)) != 0;
 574         final Boolean _oFPMFPKTPS = (input & (1 << 1)) != 0;
 575         final Boolean _oFPMFBURST = (input & (1 << 2)) != 0;
 576         final Boolean _oFPMFSTATS = (input & (1 << 3)) != 0;
 577         return new MeterFlags(_oFPMFBURST, _oFPMFKBPS, _oFPMFPKTPS, _oFPMFSTATS);
 578     }
 579
 580     private static MeterBandTypeBitmap createMeterBandsBitmap(long input) {
 581         final Boolean _oFPMBTDROP = (input & (1 << 0)) != 0;
 582         final Boolean _oFPMBTDSCPREMARK = (input & (1 << 1)) != 0;
 583         return new MeterBandTypeBitmap(_oFPMBTDROP, _oFPMBTDSCPREMARK);
 584     }
 585
 586     private static MultipartReplyMeterCase setMeter(ByteBuf input) {
 587         MultipartReplyMeterCaseBuilder caseBuilder = new MultipartReplyMeterCaseBuilder();
 588         MultipartReplyMeterBuilder builder = new MultipartReplyMeterBuilder();
 589         List<MeterStats> meterStatsList = new ArrayList<>();
 590         while (input.readableBytes() > 0) {
 591             MeterStatsBuilder meterStatsBuilder = new MeterStatsBuilder();
 592             meterStatsBuilder.setMeterId(new MeterId(input.readUnsignedInt()));
 593             int meterStatsBodyLength = input.readUnsignedShort();
 594             input.skipBytes(PADDING_IN_METER_STATS_HEADER);
 595             meterStatsBuilder.setFlowCount(input.readUnsignedInt());
 596             byte[] packetInCount = new byte[Long.SIZE/Byte.SIZE];
 597             input.readBytes(packetInCount);
 598             meterStatsBuilder.setPacketInCount(new BigInteger(packetInCount));
 599             byte[] byteInCount = new byte[Long.SIZE/Byte.SIZE];
 600             input.readBytes(byteInCount);
 601             meterStatsBuilder.setByteInCount(new BigInteger(byteInCount));
 602             meterStatsBuilder.setDurationSec(input.readUnsignedInt());
 603             meterStatsBuilder.setDurationNsec(input.readUnsignedInt());
 604             int actualLength = METER_BODY_LENGTH;
 605             List<MeterBandStats> meterBandStatsList = new ArrayList<>();
 606             while (actualLength < meterStatsBodyLength) {
 607                 MeterBandStatsBuilder meterBandStatsBuilder = new MeterBandStatsBuilder();
 608                 byte[] packetBandCount = new byte[Long.SIZE/Byte.SIZE];
 609                 input.readBytes(packetBandCount);
 610                 meterBandStatsBuilder.setPacketBandCount(new BigInteger(packetBandCount));
 611                 byte[] byteBandCount = new byte[Long.SIZE/Byte.SIZE];
 612                 input.readBytes(byteBandCount);
 613                 meterBandStatsBuilder.setByteBandCount(new BigInteger(byteBandCount));
 614                 meterBandStatsList.add(meterBandStatsBuilder.build());
 615                 actualLength += METER_BAND_STATS_LENGTH;
 616             }
 617             meterStatsBuilder.setMeterBandStats(meterBandStatsList);
 618             meterStatsList.add(meterStatsBuilder.build());
 619         }
 620         builder.setMeterStats(meterStatsList);
 621         caseBuilder.setMultipartReplyMeter(builder.build());
 622         return caseBuilder.build();
 623     }
 624
 625     private static MultipartReplyMeterConfigCase setMeterConfig(ByteBuf input) {
 626         MultipartReplyMeterConfigCaseBuilder caseBuilder = new MultipartReplyMeterConfigCaseBuilder();
 627         MultipartReplyMeterConfigBuilder builder = new MultipartReplyMeterConfigBuilder();
 628         List<MeterConfig> meterConfigList = new ArrayList<>();
 629         while (input.readableBytes() > 0) {
 630             MeterConfigBuilder meterConfigBuilder = new MeterConfigBuilder();
 631             int meterConfigBodyLength = input.readUnsignedShort();
 632             meterConfigBuilder.setFlags(createMeterFlags(input.readUnsignedShort()));
 633             meterConfigBuilder.setMeterId(new MeterId(input.readUnsignedInt()));
 634             int actualLength = METER_CONFIG_LENGTH;
 635             List<Bands> bandsList = new ArrayList<>();
 636             while (actualLength < meterConfigBodyLength) {
 637                 BandsBuilder bandsBuilder = new BandsBuilder();
 638                 int bandType = input.readUnsignedShort();
 639                 switch (bandType) {
 640                     case 1:
 641                         MeterBandDropCaseBuilder bandDropCaseBuilder = new MeterBandDropCaseBuilder();
 642                         MeterBandDropBuilder bandDropBuilder = new MeterBandDropBuilder();
 643                         bandDropBuilder.setType(MeterBandType.forValue(bandType));
 644                         actualLength += input.readUnsignedShort();
 645                         bandDropBuilder.setRate(input.readUnsignedInt());
 646                         bandDropBuilder.setBurstSize(input.readUnsignedInt());
 647                         input.skipBytes(PADDING_IN_METER_BAND_DROP_HEADER);
 648                         bandDropCaseBuilder.setMeterBandDrop(bandDropBuilder.build());
 649                         bandsBuilder.setMeterBand(bandDropCaseBuilder.build());
 650                         break;
 651                     case 2:
 652                         MeterBandDscpRemarkCaseBuilder bandDscpRemarkCaseBuilder = new MeterBandDscpRemarkCaseBuilder();
 653                         MeterBandDscpRemarkBuilder bandDscpRemarkBuilder = new MeterBandDscpRemarkBuilder();
 654                         bandDscpRemarkBuilder.setType(MeterBandType.forValue(bandType));
 655                         actualLength += input.readUnsignedShort();
 656                         bandDscpRemarkBuilder.setRate(input.readUnsignedInt());
 657                         bandDscpRemarkBuilder.setBurstSize(input.readUnsignedInt());
 658                         bandDscpRemarkBuilder.setPrecLevel(input.readUnsignedByte());
 659                         input.skipBytes(PADDING_IN_METER_BAND_DSCP_HEADER);
 660                         bandDscpRemarkCaseBuilder.setMeterBandDscpRemark(bandDscpRemarkBuilder.build());
 661                         bandsBuilder.setMeterBand(bandDscpRemarkCaseBuilder.build());
 662                         break;
 663                     case 0xFFFF:
 664                         MeterBandExperimenterCaseBuilder bandExperimenterCaseBuilder = new MeterBandExperimenterCaseBuilder();
 665                         MeterBandExperimenterBuilder bandExperimenterBuilder = new MeterBandExperimenterBuilder();
 666                         bandExperimenterBuilder.setType(MeterBandType.forValue(bandType));
 667                         actualLength += input.readUnsignedShort();
 668                         bandExperimenterBuilder.setRate(input.readUnsignedInt());
 669                         bandExperimenterBuilder.setBurstSize(input.readUnsignedInt());
 670                         bandExperimenterBuilder.setExperimenter(input.readUnsignedInt());
 671                         bandExperimenterCaseBuilder.setMeterBandExperimenter(bandExperimenterBuilder.build());
 672                         bandsBuilder.setMeterBand(bandExperimenterCaseBuilder.build());
 673                         break;
 674                     default:
 675                         break;
 676                 }
 677                 bandsList.add(bandsBuilder.build());
 678             }
 679             meterConfigBuilder.setBands(bandsList);
 680             meterConfigList.add(meterConfigBuilder.build());
 681         }
 682         builder.setMeterConfig(meterConfigList);
 683         caseBuilder.setMultipartReplyMeterConfig(builder.build());
 684         return caseBuilder.build();
 685     }
 686
 687     private static MultipartReplyExperimenterCase setExperimenter(ByteBuf input) {
 688         MultipartReplyExperimenterCaseBuilder caseBuilder = new MultipartReplyExperimenterCaseBuilder();
 689         MultipartReplyExperimenterBuilder builder = new MultipartReplyExperimenterBuilder();
 690         builder.setExperimenter(input.readUnsignedInt());
 691         builder.setExpType(input.readUnsignedInt());
 692         byte[] data = new byte[input.readableBytes()];
 693         input.readBytes(data);
 694         builder.setData(data);
 695         caseBuilder.setMultipartReplyExperimenter(builder.build());
 696         return caseBuilder.build();
 697     }
 698
 699     private static MultipartReplyPortDescCase setPortDesc(ByteBuf input) {
 700         MultipartReplyPortDescCaseBuilder caseBuilder = new MultipartReplyPortDescCaseBuilder();
 701         MultipartReplyPortDescBuilder builder = new MultipartReplyPortDescBuilder();
 702         List<Ports> portsList = new ArrayList<>();
 703         while (input.readableBytes() > 0) {
 704             PortsBuilder portsBuilder = new PortsBuilder();
 705             portsBuilder.setPortNo(input.readUnsignedInt());
 706             input.skipBytes(PADDING_IN_PORT_DESC_HEADER_01);
 707             byte[] hwAddress = new byte[EncodeConstants.MAC_ADDRESS_LENGTH];
 708             input.readBytes(hwAddress);
 709             portsBuilder.setHwAddr(new MacAddress(ByteBufUtils.macAddressToString(hwAddress)));
 710             input.skipBytes(PADDING_IN_PORT_DESC_HEADER_02);
 711             byte[] portNameBytes = new byte[MAX_PORT_NAME_LEN];
 712             input.readBytes(portNameBytes);
 713             String portName = new String(portNameBytes);
 714             portsBuilder.setName(portName.trim());
 715             portsBuilder.setConfig(createPortConfig(input.readUnsignedInt()));
 716             portsBuilder.setState(createPortState(input.readUnsignedInt()));
 717             portsBuilder.setCurrentFeatures(createPortFeatures(input.readUnsignedInt()));
 718             portsBuilder.setAdvertisedFeatures(createPortFeatures(input.readUnsignedInt()));
 719             portsBuilder.setSupportedFeatures(createPortFeatures(input.readUnsignedInt()));
 720             portsBuilder.setPeerFeatures(createPortFeatures(input.readUnsignedInt()));
 721             portsBuilder.setCurrSpeed(input.readUnsignedInt());
 722             portsBuilder.setMaxSpeed(input.readUnsignedInt());
 723             portsList.add(portsBuilder.build());
 724         }
 725         builder.setPorts(portsList);
 726         caseBuilder.setMultipartReplyPortDesc(builder.build());
 727         return caseBuilder.build();
 728     }
 729
 730     private static PortConfig createPortConfig(long input){
 731         final Boolean _portDown   = ((input) & (1<<0)) != 0;
 732         final Boolean _noRecv    = ((input) & (1<<2)) != 0;
 733         final Boolean _noFwd       = ((input) & (1<<5)) != 0;
 734         final Boolean _noPacketIn = ((input) & (1<<6)) != 0;
 735         return new PortConfig(_noFwd, _noPacketIn, _noRecv, _portDown);
 736     }
 737
 738     private static PortState createPortState(long input){
 739         final Boolean _linkDown = ((input) & (1<<0)) != 0;
 740         final Boolean _blocked  = ((input) & (1<<1)) != 0;
 741         final Boolean _live     = ((input) & (1<<2)) != 0;
 742         return new PortState(_blocked, _linkDown, _live);
 743     }
 744
 745     private static PortFeatures createPortFeatures(long input){
 746         final Boolean _10mbHd = ((input) & (1<<0)) != 0;
 747         final Boolean _10mbFd = ((input) & (1<<1)) != 0;
 748         final Boolean _100mbHd = ((input) & (1<<2)) != 0;
 749         final Boolean _100mbFd = ((input) & (1<<3)) != 0;
 750         final Boolean _1gbHd = ((input) & (1<<4)) != 0;
 751         final Boolean _1gbFd = ((input) & (1<<5)) != 0;
 752         final Boolean _10gbFd = ((input) & (1<<6)) != 0;
 753         final Boolean _40gbFd = ((input) & (1<<7)) != 0;
 754         final Boolean _100gbFd = ((input) & (1<<8)) != 0;
 755         final Boolean _1tbFd = ((input) & (1<<9)) != 0;
 756         final Boolean _other = ((input) & (1<<10)) != 0;
 757         final Boolean _copper = ((input) & (1<<11)) != 0;
 758         final Boolean _fiber = ((input) & (1<<12)) != 0;
 759         final Boolean _autoneg = ((input) & (1<<13)) != 0;
 760         final Boolean _pause = ((input) & (1<<14)) != 0;
 761         final Boolean _pauseAsym = ((input) & (1<<15)) != 0;
 762         return new PortFeatures(_10mbHd, _10mbFd, _100mbHd, _100mbFd, _1gbHd, _1gbFd, _10gbFd,
 763                 _40gbFd, _100gbFd, _1tbFd, _other, _copper, _fiber, _autoneg, _pause, _pauseAsym);
 764     }
 765
 766     private static MultipartReplyGroupFeaturesCase setGroupFeatures(ByteBuf rawMessage) {
 767         MultipartReplyGroupFeaturesCaseBuilder caseBuilder = new MultipartReplyGroupFeaturesCaseBuilder();
 768         MultipartReplyGroupFeaturesBuilder featuresBuilder = new MultipartReplyGroupFeaturesBuilder();
 769         featuresBuilder.setTypes(createGroupType(rawMessage.readUnsignedInt()));
 770         featuresBuilder.setCapabilities(createCapabilities(rawMessage.readUnsignedInt()));
 771         List<Long> maxGroupsList = new ArrayList<>();
 772         for (int i = 0; i < GROUP_TYPES ; i++) {
 773             maxGroupsList.add(rawMessage.readUnsignedInt());
 774         }
 775         featuresBuilder.setMaxGroups(maxGroupsList);
 776         List<ActionType> actionBitmaps = new ArrayList<>();
 777         for (int i = 0; i < GROUP_TYPES ; i++) {
 778             actionBitmaps.add(createActionBitmap(rawMessage.readUnsignedInt()));
 779         }
 780         featuresBuilder.setActionsBitmap(actionBitmaps);
 781         caseBuilder.setMultipartReplyGroupFeatures(featuresBuilder.build());
 782         return caseBuilder.build();
 783     }
 784
 785     private static ActionType createActionBitmap(long input) {
 786         final Boolean OFPAT_OUTPUT = ((input) & (1<<0)) != 0;
 787         final Boolean OFPAT_COPY_TTL_OUT = ((input) & (1<<1)) != 0;
 788         final Boolean OFPAT_COPY_TTL_IN = ((input) & (1<<2)) != 0;
 789         final Boolean OFPAT_SET_MPLS_TTL = ((input) & (1<<3)) != 0;
 790         final Boolean OFPAT_DEC_MPLS_TTL = ((input) & (1<<4)) != 0;
 791         final Boolean OFPAT_PUSH_VLAN = ((input) & (1<<5)) != 0;
 792         final Boolean OFPAT_POP_VLAN = ((input) & (1<<6)) != 0;
 793         final Boolean OFPAT_PUSH_MPLS = ((input) & (1<<7)) != 0;
 794         final Boolean OFPAT_POP_MPLS = ((input) & (1<<8)) != 0;
 795         final Boolean OFPAT_SET_QUEUE = ((input) & (1<<9)) != 0;
 796         final Boolean OFPAT_GROUP = ((input) & (1<<10)) != 0;
 797         final Boolean OFPAT_SET_NW_TTL = ((input) & (1<<11)) != 0;
 798         final Boolean OFPAT_DEC_NW_TTL = ((input) & (1<<12)) != 0;
 799         final Boolean OFPAT_SET_FIELD = ((input) & (1<<13)) != 0;
 800         final Boolean OFPAT_PUSH_PBB = ((input) & (1<<14)) != 0;
 801         final Boolean OFPAT_POP_PBB = ((input) & (1<<15)) != 0;
 802         final Boolean OFPAT_EXPERIMENTER = ((input) & (1<<16)) != 0;
 803         return new ActionType(OFPAT_COPY_TTL_IN, OFPAT_COPY_TTL_OUT, OFPAT_DEC_MPLS_TTL,
 804                 OFPAT_DEC_NW_TTL, OFPAT_EXPERIMENTER, OFPAT_GROUP, OFPAT_OUTPUT, OFPAT_POP_MPLS,
 805                 OFPAT_POP_PBB, OFPAT_POP_VLAN, OFPAT_PUSH_MPLS, OFPAT_PUSH_PBB, OFPAT_PUSH_VLAN,
 806                 OFPAT_SET_FIELD, OFPAT_SET_MPLS_TTL, OFPAT_SET_NW_TTL, OFPAT_SET_QUEUE);
 807     }
 808
 809     private static GroupCapabilities createCapabilities(long input) {
 810         final Boolean OFOFPGFC_SELECT_WEIGHT = ((input) & (1<<0)) != 0;
 811         final Boolean OFPGFC_SELECT_LIVENESS = ((input) & (1<<1)) != 0;
 812         final Boolean OFPGFC_CHAINING = ((input) & (1<<2)) != 0;
 813         final Boolean OFPGFC_CHAINING_CHECKS = ((input) & (1<<3)) != 0;
 814         return new GroupCapabilities(OFPGFC_CHAINING, OFPGFC_CHAINING_CHECKS, OFPGFC_SELECT_LIVENESS, OFOFPGFC_SELECT_WEIGHT);
 815     }
 816
 817     private static GroupTypes createGroupType(long input) {
 818         final Boolean OFPGT_ALL = ((input) & (1<<0)) != 0;
 819         final Boolean OFPGT_SELECT = ((input) & (1<<1)) != 0;
 820         final Boolean OFPGT_INDIRECT = ((input) & (1<<2)) != 0;
 821         final Boolean OFPGT_FF = ((input) & (1<<3)) != 0;
 822         return new GroupTypes(OFPGT_ALL, OFPGT_FF, OFPGT_INDIRECT, OFPGT_SELECT);
 823     }
 824
 825     private static MultipartReplyGroupDescCase setGroupDesc(ByteBuf input) {
 826         MultipartReplyGroupDescCaseBuilder caseBuilder = new MultipartReplyGroupDescCaseBuilder();
 827         MultipartReplyGroupDescBuilder builder = new MultipartReplyGroupDescBuilder();
 828         List<GroupDesc> groupDescsList = new ArrayList<>();
 829         while (input.readableBytes() > 0) {
 830             GroupDescBuilder groupDescBuilder = new GroupDescBuilder();
 831             int bodyLength = input.readUnsignedShort();
 832             groupDescBuilder.setType(GroupType.forValue(input.readUnsignedByte()));
 833             input.skipBytes(PADDING_IN_GROUP_DESC_HEADER);
 834             groupDescBuilder.setGroupId(new GroupId(input.readUnsignedInt()));
 835             int actualLength = GROUP_DESC_HEADER_LENGTH;
 836             List<BucketsList> bucketsList = new ArrayList<>();
 837             while (actualLength < bodyLength) {
 838                 BucketsListBuilder bucketsBuilder = new BucketsListBuilder();
 839                 int bucketsLength = input.readUnsignedShort();
 840                 bucketsBuilder.setWeight(input.readUnsignedShort());
 841                 bucketsBuilder.setWatchPort(new PortNumber(input.readUnsignedInt()));
 842                 bucketsBuilder.setWatchGroup(input.readUnsignedInt());
 843                 input.skipBytes(PADDING_IN_BUCKETS_HEADER);
 844                 List<ActionsList> actionsList = ActionsDeserializer
 845                         .createActionsList(input, bucketsLength - BUCKETS_HEADER_LENGTH);
 846                 bucketsBuilder.setActionsList(actionsList);
 847                 bucketsList.add(bucketsBuilder.build());
 848                 actualLength += bucketsLength;
 849             }
 850             groupDescBuilder.setBucketsList(bucketsList);
 851             groupDescsList.add(groupDescBuilder.build());
 852         }
 853         builder.setGroupDesc(groupDescsList);
 854         caseBuilder.setMultipartReplyGroupDesc(builder.build());
 855         return caseBuilder.build();
 856     }
 857
 858 }