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 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             input.skipBytes(EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
 276             flowStatsBuilder.setTableId(input.readUnsignedByte());
 277             input.skipBytes(PADDING_IN_FLOW_STATS_HEADER_01);
 278             flowStatsBuilder.setDurationSec(input.readUnsignedInt());
 279             flowStatsBuilder.setDurationNsec(input.readUnsignedInt());
 280             flowStatsBuilder.setPriority(input.readUnsignedShort());
 281             flowStatsBuilder.setIdleTimeout(input.readUnsignedShort());
 282             flowStatsBuilder.setHardTimeout(input.readUnsignedShort());
 283             flowStatsBuilder.setFlags(createFlowModFlagsFromBitmap(input.readShort()));
 284             input.skipBytes(PADDING_IN_FLOW_STATS_HEADER_02);
 285             byte[] cookie = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 286             input.readBytes(cookie);
 287             flowStatsBuilder.setCookie(new BigInteger(1, cookie));
 288             byte[] packetCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 289             input.readBytes(packetCount);
 290             flowStatsBuilder.setPacketCount(new BigInteger(1, packetCount));
 291             byte[] byteCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 292             input.readBytes(byteCount);
 293             flowStatsBuilder.setByteCount(new BigInteger(1, byteCount));
 294             flowStatsBuilder.setMatch(MatchDeserializer.createMatch(input));
 295             flowStatsBuilder.setInstructions(InstructionsDeserializer.createInstructions(input, input.readableBytes()));
 296             flowStatsList.add(flowStatsBuilder.build());
 297         }
 298         flowBuilder.setFlowStats(flowStatsList);
 299         caseBuilder.setMultipartReplyFlow(flowBuilder.build());
 300         return caseBuilder.build();
 301     }
 302
 303     private static FlowModFlags createFlowModFlagsFromBitmap(short input){
 304         final Boolean _oFPFFSENDFLOWREM = (input & (1 << 0)) != 0;
 305         final Boolean _oFPFFCHECKOVERLAP = (input & (1 << 1)) != 0;
 306         final Boolean _oFPFFRESETCOUNTS = (input & (1 << 2)) != 0;
 307         final Boolean _oFPFFNOPKTCOUNTS = (input & (1 << 3)) != 0;
 308         final Boolean _oFPFFNOBYTCOUNTS = (input & (1 << 4)) != 0;
 309         return new FlowModFlags(_oFPFFCHECKOVERLAP, _oFPFFNOBYTCOUNTS, _oFPFFNOPKTCOUNTS, _oFPFFRESETCOUNTS, _oFPFFSENDFLOWREM);
 310     }
 311
 312     private static MultipartReplyAggregateCase setAggregate(ByteBuf input) {
 313         MultipartReplyAggregateCaseBuilder caseBuilder = new MultipartReplyAggregateCaseBuilder();
 314         MultipartReplyAggregateBuilder builder = new MultipartReplyAggregateBuilder();
 315         byte[] packetCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 316         input.readBytes(packetCount);
 317         builder.setPacketCount(new BigInteger(1, packetCount));
 318         byte[] byteCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 319         input.readBytes(byteCount);
 320         builder.setByteCount(new BigInteger(1, byteCount));
 321         builder.setFlowCount(input.readUnsignedInt());
 322         input.skipBytes(PADDING_IN_AGGREGATE_HEADER);
 323         caseBuilder.setMultipartReplyAggregate(builder.build());
 324         return caseBuilder.build();
 325     }
 326
 327     private static MultipartReplyTableCase setTable(ByteBuf input) {
 328         MultipartReplyTableCaseBuilder caseBuilder = new MultipartReplyTableCaseBuilder();
 329         MultipartReplyTableBuilder builder = new MultipartReplyTableBuilder();
 330         List<TableStats> tableStatsList = new ArrayList<>();
 331         while (input.readableBytes() > 0) {
 332             TableStatsBuilder tableStatsBuilder = new TableStatsBuilder();
 333             tableStatsBuilder.setTableId(input.readUnsignedByte());
 334             input.skipBytes(PADDING_IN_TABLE_HEADER);
 335             tableStatsBuilder.setActiveCount(input.readUnsignedInt());
 336             byte[] lookupCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 337             input.readBytes(lookupCount);
 338             tableStatsBuilder.setLookupCount(new BigInteger(1, lookupCount));
 339             byte[] matchedCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 340             input.readBytes(matchedCount);
 341             tableStatsBuilder.setMatchedCount(new BigInteger(1, matchedCount));
 342             tableStatsList.add(tableStatsBuilder.build());
 343         }
 344         builder.setTableStats(tableStatsList);
 345         caseBuilder.setMultipartReplyTable(builder.build());
 346         return caseBuilder.build();
 347     }
 348
 349     private static MultipartReplyTableFeaturesCase setTableFeatures(ByteBuf input) {
 350         MultipartReplyTableFeaturesCaseBuilder caseBuilder = new MultipartReplyTableFeaturesCaseBuilder();
 351         MultipartReplyTableFeaturesBuilder builder = new MultipartReplyTableFeaturesBuilder();
 352         List<TableFeatures> features = new ArrayList<>();
 353         while (input.readableBytes() > 0) {
 354             TableFeaturesBuilder featuresBuilder = new TableFeaturesBuilder();
 355             int length = input.readUnsignedShort();
 356             featuresBuilder.setTableId(input.readUnsignedByte());
 357             input.skipBytes(PADDING_IN_MULTIPART_REPLY_TABLE_FEATURES);
 358             featuresBuilder.setName(input.readBytes(MAX_TABLE_NAME_LENGTH).toString());
 359             byte[] metadataMatch = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 360             input.readBytes(metadataMatch);
 361             featuresBuilder.setMetadataMatch(metadataMatch);
 362             byte[] metadataWrite = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 363             input.readBytes(metadataWrite);
 364             featuresBuilder.setMetadataWrite(metadataWrite);
 365             featuresBuilder.setConfig(createTableConfig(input.readUnsignedInt()));
 366             featuresBuilder.setMaxEntries(input.readUnsignedInt());
 367             featuresBuilder.setTableFeatureProperties(createTableFeaturesProperties(input,
 368                     length - MULTIPART_REPLY_TABLE_FEATURES_STRUCTURE_LENGTH));
 369             features.add(featuresBuilder.build());
 370         }
 371         builder.setTableFeatures(features);
 372         caseBuilder.setMultipartReplyTableFeatures(builder.build());
 373         return caseBuilder.build();
 374     }
 375
 376     private static TableConfig createTableConfig(long input) {
 377         boolean deprecated = (input & 3) != 0;
 378         return new TableConfig(deprecated);
 379     }
 380
 381     private static List<TableFeatureProperties> createTableFeaturesProperties(ByteBuf input, int length) {
 382         List<TableFeatureProperties> properties = new ArrayList<>();
 383         int tableFeaturesLength = length;
 384         while (tableFeaturesLength > 0) {
 385             TableFeaturePropertiesBuilder builder = new TableFeaturePropertiesBuilder();
 386             TableFeaturesPropType type = TableFeaturesPropType.forValue(input.readUnsignedShort());
 387             builder.setType(type);
 388             int propertyLength = input.readUnsignedShort();
 389             int paddingRemainder = propertyLength % EncodeConstants.PADDING;
 390             tableFeaturesLength -= propertyLength;
 391             if (type.equals(TableFeaturesPropType.OFPTFPTINSTRUCTIONS)
 392                     || type.equals(TableFeaturesPropType.OFPTFPTINSTRUCTIONSMISS)) {
 393                 InstructionRelatedTableFeaturePropertyBuilder insBuilder = new InstructionRelatedTableFeaturePropertyBuilder();
 394                 insBuilder.setInstructions(InstructionsDeserializer.createInstructionIds(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                     propertyLength--;
 406                 }
 407                 tableBuilder.setNextTableIds(ids);
 408                 builder.addAugmentation(NextTableRelatedTableFeatureProperty.class, tableBuilder.build());
 409             } else if (type.equals(TableFeaturesPropType.OFPTFPTWRITEACTIONS)
 410                     || type.equals(TableFeaturesPropType.OFPTFPTWRITEACTIONSMISS)
 411                     || type.equals(TableFeaturesPropType.OFPTFPTAPPLYACTIONS)
 412                     || type.equals(TableFeaturesPropType.OFPTFPTAPPLYACTIONSMISS)) {
 413                 ActionRelatedTableFeaturePropertyBuilder actionBuilder = new ActionRelatedTableFeaturePropertyBuilder();
 414                 actionBuilder.setActionsList(ActionsDeserializer.createActionIds(input, propertyLength - COMMON_PROPERTY_LENGTH));
 415                 builder.addAugmentation(ActionRelatedTableFeatureProperty.class, actionBuilder.build());
 416             } else if (type.equals(TableFeaturesPropType.OFPTFPTMATCH)
 417                     || type.equals(TableFeaturesPropType.OFPTFPTWILDCARDS)
 418                     || type.equals(TableFeaturesPropType.OFPTFPTWRITESETFIELD)
 419                     || type.equals(TableFeaturesPropType.OFPTFPTWRITESETFIELDMISS)
 420                     || type.equals(TableFeaturesPropType.OFPTFPTAPPLYSETFIELD)
 421                     || type.equals(TableFeaturesPropType.OFPTFPTAPPLYSETFIELDMISS)) {
 422                 OxmRelatedTableFeaturePropertyBuilder oxmBuilder = new OxmRelatedTableFeaturePropertyBuilder();
 423                 oxmBuilder.setMatchEntries(MatchDeserializer.createMatchIds(input, propertyLength - COMMON_PROPERTY_LENGTH));
 424                 builder.addAugmentation(OxmRelatedTableFeatureProperty.class, oxmBuilder.build());
 425             } else if (type.equals(TableFeaturesPropType.OFPTFPTEXPERIMENTER)
 426                     || type.equals(TableFeaturesPropType.OFPTFPTEXPERIMENTERMISS)) {
 427                 ExperimenterRelatedTableFeaturePropertyBuilder expBuilder = new ExperimenterRelatedTableFeaturePropertyBuilder();
 428                 expBuilder.setExperimenter(input.readUnsignedInt());
 429                 expBuilder.setExpType(input.readUnsignedInt());
 430                 int dataLength = propertyLength - COMMON_PROPERTY_LENGTH - 2 * EncodeConstants.SIZE_OF_INT_IN_BYTES;
 431                 if (dataLength > 0) {
 432                     byte[] data = new byte[dataLength];
 433                     input.readBytes(data);
 434                     expBuilder.setData(data);
 435                 }
 436                 builder.addAugmentation(ExperimenterRelatedTableFeatureProperty.class, expBuilder.build());
 437             }
 438             if (paddingRemainder != 0) {
 439                 input.skipBytes(EncodeConstants.PADDING - paddingRemainder);
 440                 tableFeaturesLength -= EncodeConstants.PADDING - paddingRemainder;
 441             }
 442             properties.add(builder.build());
 443         }
 444         return properties;
 445     }
 446
 447     private static MultipartReplyPortStatsCase setPortStats(ByteBuf input) {
 448         MultipartReplyPortStatsCaseBuilder caseBuilder = new MultipartReplyPortStatsCaseBuilder();
 449         MultipartReplyPortStatsBuilder builder = new MultipartReplyPortStatsBuilder();
 450         List<PortStats> portStatsList = new ArrayList<>();
 451         while (input.readableBytes() > 0) {
 452             PortStatsBuilder portStatsBuilder = new PortStatsBuilder();
 453             portStatsBuilder.setPortNo(input.readUnsignedInt());
 454             input.skipBytes(PADDING_IN_PORT_STATS_HEADER);
 455             byte[] rxPackets = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 456             input.readBytes(rxPackets);
 457             portStatsBuilder.setRxPackets(new BigInteger(1, rxPackets));
 458             byte[] txPackets = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 459             input.readBytes(txPackets);
 460             portStatsBuilder.setTxPackets(new BigInteger(1, txPackets));
 461             byte[] rxBytes = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 462             input.readBytes(rxBytes);
 463             portStatsBuilder.setRxBytes(new BigInteger(1, rxBytes));
 464             byte[] txBytes = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 465             input.readBytes(txBytes);
 466             portStatsBuilder.setTxBytes(new BigInteger(1, txBytes));
 467             byte[] rxDropped = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 468             input.readBytes(rxDropped);
 469             portStatsBuilder.setRxDropped(new BigInteger(1, rxDropped));
 470             byte[] txDropped = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 471             input.readBytes(txDropped);
 472             portStatsBuilder.setTxDropped(new BigInteger(1, txDropped));
 473             byte[] rxErrors = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 474             input.readBytes(rxErrors);
 475             portStatsBuilder.setRxErrors(new BigInteger(1, rxErrors));
 476             byte[] txErrors = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 477             input.readBytes(txErrors);
 478             portStatsBuilder.setTxErrors(new BigInteger(1, txErrors));
 479             byte[] rxFrameErr = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 480             input.readBytes(rxFrameErr);
 481             portStatsBuilder.setRxFrameErr(new BigInteger(1, rxFrameErr));
 482             byte[] rxOverErr = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 483             input.readBytes(rxOverErr);
 484             portStatsBuilder.setRxOverErr(new BigInteger(1, rxOverErr));
 485             byte[] rxCrcErr = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 486             input.readBytes(rxCrcErr);
 487             portStatsBuilder.setRxCrcErr(new BigInteger(1, rxCrcErr));
 488             byte[] collisions = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 489             input.readBytes(collisions);
 490             portStatsBuilder.setCollisions(new BigInteger(1, collisions));
 491             portStatsBuilder.setDurationSec(input.readUnsignedInt());
 492             portStatsBuilder.setDurationNsec(input.readUnsignedInt());
 493             portStatsList.add(portStatsBuilder.build());
 494         }
 495         builder.setPortStats(portStatsList);
 496         caseBuilder.setMultipartReplyPortStats(builder.build());
 497         return caseBuilder.build();
 498     }
 499
 500     private static MultipartReplyQueueCase setQueue(ByteBuf input) {
 501         MultipartReplyQueueCaseBuilder caseBuilder = new MultipartReplyQueueCaseBuilder();
 502         MultipartReplyQueueBuilder builder = new MultipartReplyQueueBuilder();
 503         List<QueueStats> queueStatsList = new ArrayList<>();
 504         while (input.readableBytes() > 0) {
 505             QueueStatsBuilder queueStatsBuilder = new QueueStatsBuilder();
 506             queueStatsBuilder.setPortNo(input.readUnsignedInt());
 507             queueStatsBuilder.setQueueId(input.readUnsignedInt());
 508             byte[] txBytes = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 509             input.readBytes(txBytes);
 510             queueStatsBuilder.setTxBytes(new BigInteger(1, txBytes));
 511             byte[] txPackets = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 512             input.readBytes(txPackets);
 513             queueStatsBuilder.setTxPackets(new BigInteger(1, txPackets));
 514             byte[] txErrors = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 515             input.readBytes(txErrors);
 516             queueStatsBuilder.setTxErrors(new BigInteger(1, txErrors));
 517             queueStatsBuilder.setDurationSec(input.readUnsignedInt());
 518             queueStatsBuilder.setDurationNsec(input.readUnsignedInt());
 519             queueStatsList.add(queueStatsBuilder.build());
 520         }
 521         builder.setQueueStats(queueStatsList);
 522         caseBuilder.setMultipartReplyQueue(builder.build());
 523         return caseBuilder.build();
 524     }
 525
 526     private static MultipartReplyGroupCase setGroup(ByteBuf input) {
 527         MultipartReplyGroupCaseBuilder caseBuilder = new MultipartReplyGroupCaseBuilder();
 528         MultipartReplyGroupBuilder builder = new MultipartReplyGroupBuilder();
 529         List<GroupStats> groupStatsList = new ArrayList<>();
 530         while (input.readableBytes() > 0) {
 531             GroupStatsBuilder groupStatsBuilder = new GroupStatsBuilder();
 532             int bodyLength = input.readUnsignedShort();
 533             input.skipBytes(PADDING_IN_GROUP_HEADER_01);
 534             groupStatsBuilder.setGroupId(new GroupId(input.readUnsignedInt()));
 535             groupStatsBuilder.setRefCount(input.readUnsignedInt());
 536             input.skipBytes(PADDING_IN_GROUP_HEADER_02);
 537             byte[] packetCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 538             input.readBytes(packetCount);
 539             groupStatsBuilder.setPacketCount(new BigInteger(1, packetCount));
 540             byte[] byteCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 541             input.readBytes(byteCount);
 542             groupStatsBuilder.setByteCount(new BigInteger(1, byteCount));
 543             groupStatsBuilder.setDurationSec(input.readUnsignedInt());
 544             groupStatsBuilder.setDurationNsec(input.readUnsignedInt());
 545             int actualLength = GROUP_BODY_LENGTH;
 546             List<BucketStats> bucketStatsList = new ArrayList<>();
 547             while (actualLength < bodyLength) {
 548                 BucketStatsBuilder bucketStatsBuilder = new BucketStatsBuilder();
 549                 byte[] packetCountBucket = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 550                 input.readBytes(packetCountBucket);
 551                 bucketStatsBuilder.setPacketCount(new BigInteger(1, packetCountBucket));
 552                 byte[] byteCountBucket = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 553                 input.readBytes(byteCountBucket);
 554                 bucketStatsBuilder.setByteCount(new BigInteger(1, byteCountBucket));
 555                 bucketStatsList.add(bucketStatsBuilder.build());
 556                 actualLength += BUCKET_COUNTER_LENGTH;
 557             }
 558             groupStatsBuilder.setBucketStats(bucketStatsList);
 559             groupStatsList.add(groupStatsBuilder.build());
 560         }
 561         builder.setGroupStats(groupStatsList);
 562         caseBuilder.setMultipartReplyGroup(builder.build());
 563         return caseBuilder.build();
 564     }
 565
 566     private static MultipartReplyMeterFeaturesCase setMeterFeatures(ByteBuf input) {
 567         MultipartReplyMeterFeaturesCaseBuilder caseBuilder = new MultipartReplyMeterFeaturesCaseBuilder();
 568         MultipartReplyMeterFeaturesBuilder builder = new MultipartReplyMeterFeaturesBuilder();
 569         builder.setMaxMeter(input.readUnsignedInt());
 570         builder.setBandTypes(createMeterBandsBitmap(input.readUnsignedInt()));
 571         builder.setCapabilities(createMeterFlags(input.readUnsignedInt()));
 572         builder.setMaxBands(input.readUnsignedByte());
 573         builder.setMaxColor(input.readUnsignedByte());
 574         input.skipBytes(PADDING_IN_METER_FEATURES_HEADER);
 575         caseBuilder.setMultipartReplyMeterFeatures(builder.build());
 576         return caseBuilder.build();
 577     }
 578
 579     private static MeterFlags createMeterFlags(long input){
 580         final Boolean _oFPMFKBPS = (input & (1 << 0)) != 0;
 581         final Boolean _oFPMFPKTPS = (input & (1 << 1)) != 0;
 582         final Boolean _oFPMFBURST = (input & (1 << 2)) != 0;
 583         final Boolean _oFPMFSTATS = (input & (1 << 3)) != 0;
 584         return new MeterFlags(_oFPMFBURST, _oFPMFKBPS, _oFPMFPKTPS, _oFPMFSTATS);
 585     }
 586
 587     private static MeterBandTypeBitmap createMeterBandsBitmap(long input) {
 588         final Boolean _oFPMBTDROP = (input & (1 << 0)) != 0;
 589         final Boolean _oFPMBTDSCPREMARK = (input & (1 << 1)) != 0;
 590         return new MeterBandTypeBitmap(_oFPMBTDROP, _oFPMBTDSCPREMARK);
 591     }
 592
 593     private static MultipartReplyMeterCase setMeter(ByteBuf input) {
 594         MultipartReplyMeterCaseBuilder caseBuilder = new MultipartReplyMeterCaseBuilder();
 595         MultipartReplyMeterBuilder builder = new MultipartReplyMeterBuilder();
 596         List<MeterStats> meterStatsList = new ArrayList<>();
 597         while (input.readableBytes() > 0) {
 598             MeterStatsBuilder meterStatsBuilder = new MeterStatsBuilder();
 599             meterStatsBuilder.setMeterId(new MeterId(input.readUnsignedInt()));
 600             int meterStatsBodyLength = input.readUnsignedShort();
 601             input.skipBytes(PADDING_IN_METER_STATS_HEADER);
 602             meterStatsBuilder.setFlowCount(input.readUnsignedInt());
 603             byte[] packetInCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 604             input.readBytes(packetInCount);
 605             meterStatsBuilder.setPacketInCount(new BigInteger(1, packetInCount));
 606             byte[] byteInCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 607             input.readBytes(byteInCount);
 608             meterStatsBuilder.setByteInCount(new BigInteger(1, byteInCount));
 609             meterStatsBuilder.setDurationSec(input.readUnsignedInt());
 610             meterStatsBuilder.setDurationNsec(input.readUnsignedInt());
 611             int actualLength = METER_BODY_LENGTH;
 612             List<MeterBandStats> meterBandStatsList = new ArrayList<>();
 613             while (actualLength < meterStatsBodyLength) {
 614                 MeterBandStatsBuilder meterBandStatsBuilder = new MeterBandStatsBuilder();
 615                 byte[] packetBandCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 616                 input.readBytes(packetBandCount);
 617                 meterBandStatsBuilder.setPacketBandCount(new BigInteger(1, packetBandCount));
 618                 byte[] byteBandCount = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
 619                 input.readBytes(byteBandCount);
 620                 meterBandStatsBuilder.setByteBandCount(new BigInteger(1, byteBandCount));
 621                 meterBandStatsList.add(meterBandStatsBuilder.build());
 622                 actualLength += METER_BAND_STATS_LENGTH;
 623             }
 624             meterStatsBuilder.setMeterBandStats(meterBandStatsList);
 625             meterStatsList.add(meterStatsBuilder.build());
 626         }
 627         builder.setMeterStats(meterStatsList);
 628         caseBuilder.setMultipartReplyMeter(builder.build());
 629         return caseBuilder.build();
 630     }
 631
 632     private static MultipartReplyMeterConfigCase setMeterConfig(ByteBuf input) {
 633         MultipartReplyMeterConfigCaseBuilder caseBuilder = new MultipartReplyMeterConfigCaseBuilder();
 634         MultipartReplyMeterConfigBuilder builder = new MultipartReplyMeterConfigBuilder();
 635         List<MeterConfig> meterConfigList = new ArrayList<>();
 636         while (input.readableBytes() > 0) {
 637             MeterConfigBuilder meterConfigBuilder = new MeterConfigBuilder();
 638             int meterConfigBodyLength = input.readUnsignedShort();
 639             meterConfigBuilder.setFlags(createMeterFlags(input.readUnsignedShort()));
 640             meterConfigBuilder.setMeterId(new MeterId(input.readUnsignedInt()));
 641             int actualLength = METER_CONFIG_LENGTH;
 642             List<Bands> bandsList = new ArrayList<>();
 643             while (actualLength < meterConfigBodyLength) {
 644                 BandsBuilder bandsBuilder = new BandsBuilder();
 645                 int bandType = input.readUnsignedShort();
 646                 switch (bandType) {
 647                     case 1:
 648                         MeterBandDropCaseBuilder bandDropCaseBuilder = new MeterBandDropCaseBuilder();
 649                         MeterBandDropBuilder bandDropBuilder = new MeterBandDropBuilder();
 650                         bandDropBuilder.setType(MeterBandType.forValue(bandType));
 651                         actualLength += input.readUnsignedShort();
 652                         bandDropBuilder.setRate(input.readUnsignedInt());
 653                         bandDropBuilder.setBurstSize(input.readUnsignedInt());
 654                         input.skipBytes(PADDING_IN_METER_BAND_DROP_HEADER);
 655                         bandDropCaseBuilder.setMeterBandDrop(bandDropBuilder.build());
 656                         bandsBuilder.setMeterBand(bandDropCaseBuilder.build());
 657                         break;
 658                     case 2:
 659                         MeterBandDscpRemarkCaseBuilder bandDscpRemarkCaseBuilder = new MeterBandDscpRemarkCaseBuilder();
 660                         MeterBandDscpRemarkBuilder bandDscpRemarkBuilder = new MeterBandDscpRemarkBuilder();
 661                         bandDscpRemarkBuilder.setType(MeterBandType.forValue(bandType));
 662                         actualLength += input.readUnsignedShort();
 663                         bandDscpRemarkBuilder.setRate(input.readUnsignedInt());
 664                         bandDscpRemarkBuilder.setBurstSize(input.readUnsignedInt());
 665                         bandDscpRemarkBuilder.setPrecLevel(input.readUnsignedByte());
 666                         input.skipBytes(PADDING_IN_METER_BAND_DSCP_HEADER);
 667                         bandDscpRemarkCaseBuilder.setMeterBandDscpRemark(bandDscpRemarkBuilder.build());
 668                         bandsBuilder.setMeterBand(bandDscpRemarkCaseBuilder.build());
 669                         break;
 670                     case 0xFFFF:
 671                         MeterBandExperimenterCaseBuilder bandExperimenterCaseBuilder = new MeterBandExperimenterCaseBuilder();
 672                         MeterBandExperimenterBuilder bandExperimenterBuilder = new MeterBandExperimenterBuilder();
 673                         bandExperimenterBuilder.setType(MeterBandType.forValue(bandType));
 674                         actualLength += input.readUnsignedShort();
 675                         bandExperimenterBuilder.setRate(input.readUnsignedInt());
 676                         bandExperimenterBuilder.setBurstSize(input.readUnsignedInt());
 677                         bandExperimenterBuilder.setExperimenter(input.readUnsignedInt());
 678                         bandExperimenterCaseBuilder.setMeterBandExperimenter(bandExperimenterBuilder.build());
 679                         bandsBuilder.setMeterBand(bandExperimenterCaseBuilder.build());
 680                         break;
 681                     default:
 682                         break;
 683                 }
 684                 bandsList.add(bandsBuilder.build());
 685             }
 686             meterConfigBuilder.setBands(bandsList);
 687             meterConfigList.add(meterConfigBuilder.build());
 688         }
 689         builder.setMeterConfig(meterConfigList);
 690         caseBuilder.setMultipartReplyMeterConfig(builder.build());
 691         return caseBuilder.build();
 692     }
 693
 694     private static MultipartReplyExperimenterCase setExperimenter(ByteBuf input) {
 695         MultipartReplyExperimenterCaseBuilder caseBuilder = new MultipartReplyExperimenterCaseBuilder();
 696         MultipartReplyExperimenterBuilder builder = new MultipartReplyExperimenterBuilder();
 697         builder.setExperimenter(input.readUnsignedInt());
 698         builder.setExpType(input.readUnsignedInt());
 699         byte[] data = new byte[input.readableBytes()];
 700         input.readBytes(data);
 701         builder.setData(data);
 702         caseBuilder.setMultipartReplyExperimenter(builder.build());
 703         return caseBuilder.build();
 704     }
 705
 706     private static MultipartReplyPortDescCase setPortDesc(ByteBuf input) {
 707         MultipartReplyPortDescCaseBuilder caseBuilder = new MultipartReplyPortDescCaseBuilder();
 708         MultipartReplyPortDescBuilder builder = new MultipartReplyPortDescBuilder();
 709         List<Ports> portsList = new ArrayList<>();
 710         while (input.readableBytes() > 0) {
 711             PortsBuilder portsBuilder = new PortsBuilder();
 712             portsBuilder.setPortNo(input.readUnsignedInt());
 713             input.skipBytes(PADDING_IN_PORT_DESC_HEADER_01);
 714             byte[] hwAddress = new byte[EncodeConstants.MAC_ADDRESS_LENGTH];
 715             input.readBytes(hwAddress);
 716             portsBuilder.setHwAddr(new MacAddress(ByteBufUtils.macAddressToString(hwAddress)));
 717             input.skipBytes(PADDING_IN_PORT_DESC_HEADER_02);
 718             portsBuilder.setName(ByteBufUtils.decodeNullTerminatedString(input, EncodeConstants.MAX_PORT_NAME_LENGTH));
 719             portsBuilder.setConfig(createPortConfig(input.readUnsignedInt()));
 720             portsBuilder.setState(createPortState(input.readUnsignedInt()));
 721             portsBuilder.setCurrentFeatures(createPortFeatures(input.readUnsignedInt()));
 722             portsBuilder.setAdvertisedFeatures(createPortFeatures(input.readUnsignedInt()));
 723             portsBuilder.setSupportedFeatures(createPortFeatures(input.readUnsignedInt()));
 724             portsBuilder.setPeerFeatures(createPortFeatures(input.readUnsignedInt()));
 725             portsBuilder.setCurrSpeed(input.readUnsignedInt());
 726             portsBuilder.setMaxSpeed(input.readUnsignedInt());
 727             portsList.add(portsBuilder.build());
 728         }
 729         builder.setPorts(portsList);
 730         caseBuilder.setMultipartReplyPortDesc(builder.build());
 731         return caseBuilder.build();
 732     }
 733
 734     private static PortConfig createPortConfig(long input){
 735         final Boolean _portDown   = ((input) & (1<<0)) != 0;
 736         final Boolean _noRecv    = ((input) & (1<<2)) != 0;
 737         final Boolean _noFwd       = ((input) & (1<<5)) != 0;
 738         final Boolean _noPacketIn = ((input) & (1<<6)) != 0;
 739         return new PortConfig(_noFwd, _noPacketIn, _noRecv, _portDown);
 740     }
 741
 742     private static PortState createPortState(long input){
 743         final Boolean _linkDown = ((input) & (1<<0)) != 0;
 744         final Boolean _blocked  = ((input) & (1<<1)) != 0;
 745         final Boolean _live     = ((input) & (1<<2)) != 0;
 746         return new PortState(_blocked, _linkDown, _live);
 747     }
 748
 749     private static PortFeatures createPortFeatures(long input){
 750         final Boolean _10mbHd = ((input) & (1<<0)) != 0;
 751         final Boolean _10mbFd = ((input) & (1<<1)) != 0;
 752         final Boolean _100mbHd = ((input) & (1<<2)) != 0;
 753         final Boolean _100mbFd = ((input) & (1<<3)) != 0;
 754         final Boolean _1gbHd = ((input) & (1<<4)) != 0;
 755         final Boolean _1gbFd = ((input) & (1<<5)) != 0;
 756         final Boolean _10gbFd = ((input) & (1<<6)) != 0;
 757         final Boolean _40gbFd = ((input) & (1<<7)) != 0;
 758         final Boolean _100gbFd = ((input) & (1<<8)) != 0;
 759         final Boolean _1tbFd = ((input) & (1<<9)) != 0;
 760         final Boolean _other = ((input) & (1<<10)) != 0;
 761         final Boolean _copper = ((input) & (1<<11)) != 0;
 762         final Boolean _fiber = ((input) & (1<<12)) != 0;
 763         final Boolean _autoneg = ((input) & (1<<13)) != 0;
 764         final Boolean _pause = ((input) & (1<<14)) != 0;
 765         final Boolean _pauseAsym = ((input) & (1<<15)) != 0;
 766         return new PortFeatures(_100gbFd, _100mbFd, _100mbHd, _10gbFd, _10mbFd, _10mbHd, _1gbFd,
 767                 _1gbHd, _1tbFd, _40gbFd, _autoneg, _copper, _fiber, _other, _pause, _pauseAsym);
 768     }
 769
 770     private static MultipartReplyGroupFeaturesCase setGroupFeatures(ByteBuf rawMessage) {
 771         MultipartReplyGroupFeaturesCaseBuilder caseBuilder = new MultipartReplyGroupFeaturesCaseBuilder();
 772         MultipartReplyGroupFeaturesBuilder featuresBuilder = new MultipartReplyGroupFeaturesBuilder();
 773         featuresBuilder.setTypes(createGroupType(rawMessage.readUnsignedInt()));
 774         featuresBuilder.setCapabilities(createCapabilities(rawMessage.readUnsignedInt()));
 775         List<Long> maxGroupsList = new ArrayList<>();
 776         for (int i = 0; i < GROUP_TYPES ; i++) {
 777             maxGroupsList.add(rawMessage.readUnsignedInt());
 778         }
 779         featuresBuilder.setMaxGroups(maxGroupsList);
 780         List<ActionType> actionBitmaps = new ArrayList<>();
 781         for (int i = 0; i < GROUP_TYPES ; i++) {
 782             actionBitmaps.add(createActionBitmap(rawMessage.readUnsignedInt()));
 783         }
 784         featuresBuilder.setActionsBitmap(actionBitmaps);
 785         caseBuilder.setMultipartReplyGroupFeatures(featuresBuilder.build());
 786         return caseBuilder.build();
 787     }
 788
 789     private static ActionType createActionBitmap(long input) {
 790         final Boolean OFPAT_OUTPUT = ((input) & (1<<0)) != 0;
 791         final Boolean OFPAT_COPY_TTL_OUT = ((input) & (1<<1)) != 0;
 792         final Boolean OFPAT_COPY_TTL_IN = ((input) & (1<<2)) != 0;
 793         final Boolean OFPAT_SET_MPLS_TTL = ((input) & (1<<3)) != 0;
 794         final Boolean OFPAT_DEC_MPLS_TTL = ((input) & (1<<4)) != 0;
 795         final Boolean OFPAT_PUSH_VLAN = ((input) & (1<<5)) != 0;
 796         final Boolean OFPAT_POP_VLAN = ((input) & (1<<6)) != 0;
 797         final Boolean OFPAT_PUSH_MPLS = ((input) & (1<<7)) != 0;
 798         final Boolean OFPAT_POP_MPLS = ((input) & (1<<8)) != 0;
 799         final Boolean OFPAT_SET_QUEUE = ((input) & (1<<9)) != 0;
 800         final Boolean OFPAT_GROUP = ((input) & (1<<10)) != 0;
 801         final Boolean OFPAT_SET_NW_TTL = ((input) & (1<<11)) != 0;
 802         final Boolean OFPAT_DEC_NW_TTL = ((input) & (1<<12)) != 0;
 803         final Boolean OFPAT_SET_FIELD = ((input) & (1<<13)) != 0;
 804         final Boolean OFPAT_PUSH_PBB = ((input) & (1<<14)) != 0;
 805         final Boolean OFPAT_POP_PBB = ((input) & (1<<15)) != 0;
 806         final Boolean OFPAT_EXPERIMENTER = ((input) & (1<<16)) != 0;
 807         return new ActionType(OFPAT_COPY_TTL_IN, OFPAT_COPY_TTL_OUT, OFPAT_DEC_MPLS_TTL,
 808                 OFPAT_DEC_NW_TTL, OFPAT_EXPERIMENTER, OFPAT_GROUP, OFPAT_OUTPUT, OFPAT_POP_MPLS,
 809                 OFPAT_POP_PBB, OFPAT_POP_VLAN, OFPAT_PUSH_MPLS, OFPAT_PUSH_PBB, OFPAT_PUSH_VLAN,
 810                 OFPAT_SET_FIELD, OFPAT_SET_MPLS_TTL, OFPAT_SET_NW_TTL, OFPAT_SET_QUEUE);
 811     }
 812
 813     private static GroupCapabilities createCapabilities(long input) {
 814         final Boolean OFOFPGFC_SELECT_WEIGHT = ((input) & (1<<0)) != 0;
 815         final Boolean OFPGFC_SELECT_LIVENESS = ((input) & (1<<1)) != 0;
 816         final Boolean OFPGFC_CHAINING = ((input) & (1<<2)) != 0;
 817         final Boolean OFPGFC_CHAINING_CHECKS = ((input) & (1<<3)) != 0;
 818         return new GroupCapabilities(OFPGFC_CHAINING, OFPGFC_CHAINING_CHECKS, OFPGFC_SELECT_LIVENESS, OFOFPGFC_SELECT_WEIGHT);
 819     }
 820
 821     private static GroupTypes createGroupType(long input) {
 822         final Boolean OFPGT_ALL = ((input) & (1<<0)) != 0;
 823         final Boolean OFPGT_SELECT = ((input) & (1<<1)) != 0;
 824         final Boolean OFPGT_INDIRECT = ((input) & (1<<2)) != 0;
 825         final Boolean OFPGT_FF = ((input) & (1<<3)) != 0;
 826         return new GroupTypes(OFPGT_ALL, OFPGT_FF, OFPGT_INDIRECT, OFPGT_SELECT);
 827     }
 828
 829     private static MultipartReplyGroupDescCase setGroupDesc(ByteBuf input) {
 830         MultipartReplyGroupDescCaseBuilder caseBuilder = new MultipartReplyGroupDescCaseBuilder();
 831         MultipartReplyGroupDescBuilder builder = new MultipartReplyGroupDescBuilder();
 832         List<GroupDesc> groupDescsList = new ArrayList<>();
 833         while (input.readableBytes() > 0) {
 834             GroupDescBuilder groupDescBuilder = new GroupDescBuilder();
 835             int bodyLength = input.readUnsignedShort();
 836             groupDescBuilder.setType(GroupType.forValue(input.readUnsignedByte()));
 837             input.skipBytes(PADDING_IN_GROUP_DESC_HEADER);
 838             groupDescBuilder.setGroupId(new GroupId(input.readUnsignedInt()));
 839             int actualLength = GROUP_DESC_HEADER_LENGTH;
 840             List<BucketsList> bucketsList = new ArrayList<>();
 841             while (actualLength < bodyLength) {
 842                 BucketsListBuilder bucketsBuilder = new BucketsListBuilder();
 843                 int bucketsLength = input.readUnsignedShort();
 844                 bucketsBuilder.setWeight(input.readUnsignedShort());
 845                 bucketsBuilder.setWatchPort(new PortNumber(input.readUnsignedInt()));
 846                 bucketsBuilder.setWatchGroup(input.readUnsignedInt());
 847                 input.skipBytes(PADDING_IN_BUCKETS_HEADER);
 848                 List<ActionsList> actionsList = ActionsDeserializer
 849                         .createActionsList(input, bucketsLength - BUCKETS_HEADER_LENGTH);
 850                 bucketsBuilder.setActionsList(actionsList);
 851                 bucketsList.add(bucketsBuilder.build());
 852                 actualLength += bucketsLength;
 853             }
 854             groupDescBuilder.setBucketsList(bucketsList);
 855             groupDescsList.add(groupDescBuilder.build());
 856         }
 857         builder.setGroupDesc(groupDescsList);
 858         caseBuilder.setMultipartReplyGroupDesc(builder.build());
 859         return caseBuilder.build();
 860     }
 861
 862 }