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

   1 /*
   2  * Copyright (c) 2015 NetIDE Consortium 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 package org.opendaylight.openflowjava.protocol.impl.serialization.factories;
   9
  10 import io.netty.buffer.ByteBuf;
  11 import io.netty.buffer.UnpooledByteBufAllocator;
  12 import java.util.HashMap;
  13 import java.util.List;
  14 import java.util.Map;
  15 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  16 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
  17 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
  18 import org.opendaylight.openflowjava.protocol.api.keys.MessageTypeKey;
  19 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  20 import org.opendaylight.openflowjava.protocol.impl.util.ListSerializer;
  21 import org.opendaylight.openflowjava.protocol.impl.util.TypeKeyMaker;
  22 import org.opendaylight.openflowjava.protocol.impl.util.TypeKeyMakerFactory;
  23 import org.opendaylight.openflowjava.util.ByteBufUtils;
  24 import org.opendaylight.openflowjava.util.ExperimenterSerializerKeyFactory;
  25 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.IetfYangUtil;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.ActionRelatedTableFeatureProperty;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.ExperimenterIdTableFeatureProperty;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.InstructionRelatedTableFeatureProperty;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.NextTableRelatedTableFeatureProperty;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.OxmRelatedTableFeatureProperty;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.table.features.properties.container.table.feature.properties.NextTableIds;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.Instruction;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.ActionType;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupCapabilities;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupTypes;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MeterBandTypeBitmap;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MeterFlags;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartRequestFlags;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortConfig;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortFeatures;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortState;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.TableConfig;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.grouping.Match;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MeterBandCommons;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReplyMessage;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.buckets.grouping.BucketsList;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.MeterBand;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.MeterBandDropCase;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.MeterBandDscpRemarkCase;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.MeterBandExperimenterCase;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.meter.band.drop._case.MeterBandDrop;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.meter.band.dscp.remark._case.MeterBandDscpRemark;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.meter.band.experimenter._case.MeterBandExperimenter;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.MultipartReplyBody;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyAggregateCase;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyDescCase;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyExperimenterCase;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyFlowCase;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupCase;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupDescCase;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupFeaturesCase;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyMeterCase;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyMeterConfigCase;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyMeterFeaturesCase;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyPortDescCase;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyPortStatsCase;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyQueueCase;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyTableCase;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyTableFeaturesCase;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.aggregate._case.MultipartReplyAggregate;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.desc._case.MultipartReplyDesc;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.experimenter._case.MultipartReplyExperimenter;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.flow._case.MultipartReplyFlow;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.flow._case.multipart.reply.flow.FlowStats;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group._case.MultipartReplyGroup;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group._case.multipart.reply.group.GroupStats;
  79 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;
  80 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group.desc._case.MultipartReplyGroupDesc;
  81 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;
  82 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group.features._case.MultipartReplyGroupFeatures;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter._case.MultipartReplyMeter;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter._case.multipart.reply.meter.MeterStats;
  85 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;
  86 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter.config._case.MultipartReplyMeterConfig;
  87 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;
  88 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;
  89 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter.features._case.MultipartReplyMeterFeatures;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.port.desc._case.MultipartReplyPortDesc;
  91 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;
  92 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.port.stats._case.MultipartReplyPortStats;
  93 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;
  94 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.queue._case.MultipartReplyQueue;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.queue._case.multipart.reply.queue.QueueStats;
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table._case.MultipartReplyTable;
  97 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table._case.multipart.reply.table.TableStats;
  98 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table.features._case.MultipartReplyTableFeatures;
  99 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;
 100 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.table.features.properties.grouping.TableFeatureProperties;
 101
 102 /**
 103  * @author giuseppex.petralia@intel.com
 104  *
 105  */
 106 public class MultipartReplyMessageFactory implements OFSerializer<MultipartReplyMessage>, SerializerRegistryInjector {
 107
 108     private static final byte MESSAGE_TYPE = 19;
 109     private SerializerRegistry registry;
 110     private static final byte PADDING = 4;
 111     private static final byte PORT_DESC_PADDING_1 = 4;
 112     private static final byte PORT_DESC_PADDING_2 = 2;
 113     private static final int FLOW_STATS_LENGTH_INDEX = 0;
 114     private static final byte FLOW_STATS_PADDING_1 = 1;
 115     private static final byte FLOW_STATS_PADDING_2 = 6;
 116     private static final byte AGGREGATE_PADDING = 4;
 117     private static final byte TABLE_PADDING = 3;
 118     private static final byte PORT_STATS_PADDING = 4;
 119     private static final byte GROUP_STATS_PADDING_1 = 2;
 120     private static final byte GROUP_STATS_PADDING_2 = 4;
 121     private static final int GROUP_STATS_LENGTH_INDEX = 0;
 122     private static final int GROUP_DESC_LENGTH_INDEX = 0;
 123     private static final int BUCKET_LENGTH_INDEX = 0;
 124     private static final byte GROUP_DESC_PADDING = 1;
 125     private static final byte BUCKET_PADDING = 4;
 126     private static final int METER_LENGTH_INDEX = 4;
 127     private static final byte METER_PADDING = 6;
 128     private static final int METER_CONFIG_LENGTH_INDEX = 0;
 129     private static final short LENGTH_OF_METER_BANDS = 16;
 130     private static final byte METER_FEATURES_PADDING = 2;
 131     private static final int TABLE_FEATURES_LENGTH_INDEX = 0;
 132     private static final byte TABLE_FEATURES_PADDING = 5;
 133     private static final byte INSTRUCTIONS_CODE = 0;
 134     private static final byte INSTRUCTIONS_MISS_CODE = 1;
 135     private static final byte NEXT_TABLE_CODE = 2;
 136     private static final byte NEXT_TABLE_MISS_CODE = 3;
 137     private static final byte WRITE_ACTIONS_CODE = 4;
 138     private static final byte WRITE_ACTIONS_MISS_CODE = 5;
 139     private static final byte APPLY_ACTIONS_CODE = 6;
 140     private static final byte APPLY_ACTIONS_MISS_CODE = 7;
 141     private static final byte MATCH_CODE = 8;
 142     private static final byte WILDCARDS_CODE = 10;
 143     private static final byte WRITE_SETFIELD_CODE = 12;
 144     private static final byte WRITE_SETFIELD_MISS_CODE = 13;
 145     private static final byte APPLY_SETFIELD_CODE = 14;
 146     private static final byte APPLY_SETFIELD_MISS_CODE = 15;
 147
 148     @Override
 149     public void injectSerializerRegistry(final SerializerRegistry serializerRegistry) {
 150         this.registry = serializerRegistry;
 151     }
 152
 153     @Override
 154     public void serialize(final MultipartReplyMessage message, final ByteBuf outBuffer) {
 155         ByteBufUtils.writeOFHeader(MESSAGE_TYPE, message, outBuffer, EncodeConstants.EMPTY_LENGTH);
 156         outBuffer.writeShort(message.getType().getIntValue());
 157         writeFlags(message.getFlags(), outBuffer);
 158         outBuffer.writeZero(PADDING);
 159         switch (message.getType()) {
 160         case OFPMPDESC:
 161             serializeDescBody(message.getMultipartReplyBody(), outBuffer);
 162             break;
 163         case OFPMPFLOW:
 164             serializeFlowBody(message.getMultipartReplyBody(), outBuffer, message);
 165             break;
 166         case OFPMPAGGREGATE:
 167             serializeAggregateBody(message.getMultipartReplyBody(), outBuffer);
 168             break;
 169         case OFPMPTABLE:
 170             serializeTableBody(message.getMultipartReplyBody(), outBuffer);
 171             break;
 172         case OFPMPPORTSTATS:
 173             serializePortStatsBody(message.getMultipartReplyBody(), outBuffer);
 174             break;
 175         case OFPMPQUEUE:
 176             serializeQueueBody(message.getMultipartReplyBody(), outBuffer);
 177             break;
 178         case OFPMPGROUP:
 179             serializeGroupBody(message.getMultipartReplyBody(), outBuffer);
 180             break;
 181         case OFPMPGROUPDESC:
 182             serializeGroupDescBody(message.getMultipartReplyBody(), outBuffer, message);
 183             break;
 184         case OFPMPGROUPFEATURES:
 185             serializeGroupFeaturesBody(message.getMultipartReplyBody(), outBuffer);
 186             break;
 187         case OFPMPMETER:
 188             serializeMeterBody(message.getMultipartReplyBody(), outBuffer);
 189             break;
 190         case OFPMPMETERCONFIG:
 191             serializeMeterConfigBody(message.getMultipartReplyBody(), outBuffer);
 192             break;
 193         case OFPMPMETERFEATURES:
 194             serializeMeterFeaturesBody(message.getMultipartReplyBody(), outBuffer);
 195             break;
 196         case OFPMPTABLEFEATURES:
 197             serializeTableFeaturesBody(message.getMultipartReplyBody(), outBuffer);
 198             break;
 199         case OFPMPPORTDESC:
 200             serializePortDescBody(message.getMultipartReplyBody(), outBuffer);
 201             break;
 202         case OFPMPEXPERIMENTER:
 203             serializeExperimenterBody(message.getMultipartReplyBody(), outBuffer);
 204             break;
 205         }
 206         ByteBufUtils.updateOFHeaderLength(outBuffer);
 207     }
 208
 209     private void serializeExperimenterBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 210         MultipartReplyExperimenterCase experimenterCase = (MultipartReplyExperimenterCase) body;
 211         MultipartReplyExperimenter experimenterBody = experimenterCase.getMultipartReplyExperimenter();
 212         // TODO: experimenterBody does not have get methods
 213     }
 214
 215     private void writeFlags(final MultipartRequestFlags flags, final ByteBuf outBuffer) {
 216         Map<Integer, Boolean> map = new HashMap<>();
 217         map.put(0, flags.isOFPMPFREQMORE());
 218         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 219         outBuffer.writeShort(bitmap);
 220     }
 221
 222     private void serializeTableFeaturesBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 223         MultipartReplyTableFeaturesCase tableFeaturesCase = (MultipartReplyTableFeaturesCase) body;
 224         MultipartReplyTableFeatures tableFeatures = tableFeaturesCase.getMultipartReplyTableFeatures();
 225         for (TableFeatures tableFeature : tableFeatures.getTableFeatures()) {
 226             ByteBuf tableFeatureBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
 227             tableFeatureBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
 228             tableFeatureBuff.writeByte(tableFeature.getTableId());
 229             tableFeatureBuff.writeZero(TABLE_FEATURES_PADDING);
 230             write32String(tableFeature.getName(), tableFeatureBuff);
 231             tableFeatureBuff.writeBytes(tableFeature.getMetadataMatch());
 232             tableFeatureBuff.writeZero(64 - tableFeature.getMetadataMatch().length);
 233             tableFeatureBuff.writeBytes(tableFeature.getMetadataWrite());
 234             tableFeatureBuff.writeZero(64 - tableFeature.getMetadataWrite().length);
 235             writeTableConfig(tableFeature.getConfig(), tableFeatureBuff);
 236             tableFeatureBuff.writeInt(tableFeature.getMaxEntries().intValue());
 237             for (TableFeatureProperties tableFeatureProp : tableFeature.getTableFeatureProperties()) {
 238                 switch (tableFeatureProp.getType()) {
 239                 case OFPTFPTINSTRUCTIONS:
 240                     writeInstructionRelatedTableProperty(tableFeatureBuff, tableFeatureProp, INSTRUCTIONS_CODE);
 241                     break;
 242                 case OFPTFPTINSTRUCTIONSMISS:
 243                     writeInstructionRelatedTableProperty(tableFeatureBuff, tableFeatureProp, INSTRUCTIONS_MISS_CODE);
 244                     break;
 245                 case OFPTFPTNEXTTABLES:
 246                     writeNextTableRelatedTableProperty(tableFeatureBuff, tableFeatureProp, NEXT_TABLE_CODE);
 247                     break;
 248                 case OFPTFPTNEXTTABLESMISS:
 249                     writeNextTableRelatedTableProperty(tableFeatureBuff, tableFeatureProp, NEXT_TABLE_MISS_CODE);
 250                     break;
 251                 case OFPTFPTWRITEACTIONS:
 252                     writeActionsRelatedTableProperty(tableFeatureBuff, tableFeatureProp, WRITE_ACTIONS_CODE);
 253                     break;
 254                 case OFPTFPTWRITEACTIONSMISS:
 255                     writeActionsRelatedTableProperty(tableFeatureBuff, tableFeatureProp, WRITE_ACTIONS_MISS_CODE);
 256                     break;
 257                 case OFPTFPTAPPLYACTIONS:
 258                     writeActionsRelatedTableProperty(tableFeatureBuff, tableFeatureProp, APPLY_ACTIONS_CODE);
 259                     break;
 260                 case OFPTFPTAPPLYACTIONSMISS:
 261                     writeActionsRelatedTableProperty(tableFeatureBuff, tableFeatureProp, APPLY_ACTIONS_MISS_CODE);
 262                     break;
 263                 case OFPTFPTMATCH:
 264                     writeOxmRelatedTableProperty(tableFeatureBuff, tableFeatureProp, MATCH_CODE);
 265                     break;
 266                 case OFPTFPTWILDCARDS:
 267                     writeOxmRelatedTableProperty(tableFeatureBuff, tableFeatureProp, WILDCARDS_CODE);
 268                     break;
 269                 case OFPTFPTWRITESETFIELD:
 270                     writeOxmRelatedTableProperty(tableFeatureBuff, tableFeatureProp, WRITE_SETFIELD_CODE);
 271                     break;
 272                 case OFPTFPTWRITESETFIELDMISS:
 273                     writeOxmRelatedTableProperty(tableFeatureBuff, tableFeatureProp, WRITE_SETFIELD_MISS_CODE);
 274                     break;
 275                 case OFPTFPTAPPLYSETFIELD:
 276                     writeOxmRelatedTableProperty(tableFeatureBuff, tableFeatureProp, APPLY_SETFIELD_CODE);
 277                     break;
 278                 case OFPTFPTAPPLYSETFIELDMISS:
 279                     writeOxmRelatedTableProperty(tableFeatureBuff, tableFeatureProp, APPLY_SETFIELD_MISS_CODE);
 280                     break;
 281                 case OFPTFPTEXPERIMENTER:
 282                     writeExperimenterRelatedTableProperty(tableFeatureBuff, tableFeatureProp);
 283                     break;
 284                 case OFPTFPTEXPERIMENTERMISS:
 285                     writeExperimenterRelatedTableProperty(tableFeatureBuff, tableFeatureProp);
 286                     break;
 287                 }
 288             }
 289             tableFeatureBuff.setShort(TABLE_FEATURES_LENGTH_INDEX, tableFeatureBuff.readableBytes());
 290             outBuffer.writeBytes(tableFeatureBuff);
 291         }
 292     }
 293
 294     private void writeExperimenterRelatedTableProperty(final ByteBuf output, final TableFeatureProperties property) {
 295         long expId = property.getAugmentation(ExperimenterIdTableFeatureProperty.class).getExperimenter().getValue();
 296         OFSerializer<TableFeatureProperties> serializer = registry.getSerializer(ExperimenterSerializerKeyFactory
 297                 .createMultipartRequestTFSerializerKey(EncodeConstants.OF13_VERSION_ID, expId));
 298         serializer.serialize(property, output);
 299     }
 300
 301     private void writeOxmRelatedTableProperty(final ByteBuf output, final TableFeatureProperties property,
 302             final byte code) {
 303         int startIndex = output.writerIndex();
 304         output.writeShort(code);
 305         int lengthIndex = output.writerIndex();
 306         output.writeShort(EncodeConstants.EMPTY_LENGTH);
 307         List<MatchEntry> entries = property.getAugmentation(OxmRelatedTableFeatureProperty.class).getMatchEntry();
 308         if (entries != null) {
 309             TypeKeyMaker<MatchEntry> keyMaker = TypeKeyMakerFactory
 310                     .createMatchEntriesKeyMaker(EncodeConstants.OF13_VERSION_ID);
 311             ListSerializer.serializeHeaderList(entries, keyMaker, registry, output);
 312         }
 313         int length = output.writerIndex() - startIndex;
 314         output.setShort(lengthIndex, length);
 315         output.writeZero(paddingNeeded(length));
 316     }
 317
 318     private void writeActionsRelatedTableProperty(final ByteBuf output, final TableFeatureProperties property,
 319             final byte code) {
 320         int startIndex = output.writerIndex();
 321         output.writeShort(code);
 322         int lengthIndex = output.writerIndex();
 323         output.writeShort(EncodeConstants.EMPTY_LENGTH);
 324         List<Action> actions = property.getAugmentation(ActionRelatedTableFeatureProperty.class).getAction();
 325         if (actions != null) {
 326             TypeKeyMaker<Action> keyMaker = TypeKeyMakerFactory.createActionKeyMaker(EncodeConstants.OF13_VERSION_ID);
 327             ListSerializer.serializeHeaderList(actions, keyMaker, registry, output);
 328         }
 329         int length = output.writerIndex() - startIndex;
 330         output.setShort(lengthIndex, length);
 331         output.writeZero(paddingNeeded(length));
 332     }
 333
 334     private static void writeNextTableRelatedTableProperty(final ByteBuf output, final TableFeatureProperties property,
 335             final byte code) {
 336         int startIndex = output.writerIndex();
 337         output.writeShort(code);
 338         int lengthIndex = output.writerIndex();
 339         output.writeShort(EncodeConstants.EMPTY_LENGTH);
 340         List<NextTableIds> nextTableIds = property.getAugmentation(NextTableRelatedTableFeatureProperty.class)
 341                 .getNextTableIds();
 342         if (nextTableIds != null) {
 343             for (NextTableIds next : nextTableIds) {
 344                 output.writeByte(next.getTableId());
 345             }
 346         }
 347         int length = output.writerIndex() - startIndex;
 348         output.setShort(lengthIndex, length);
 349         output.writeZero(paddingNeeded(length));
 350     }
 351
 352     private void writeInstructionRelatedTableProperty(final ByteBuf output, final TableFeatureProperties property,
 353             final byte code) {
 354         int startIndex = output.writerIndex();
 355         output.writeShort(code);
 356         int lengthIndex = output.writerIndex();
 357         output.writeShort(EncodeConstants.EMPTY_LENGTH);
 358         List<Instruction> instructions = property.getAugmentation(InstructionRelatedTableFeatureProperty.class)
 359                 .getInstruction();
 360         if (instructions != null) {
 361             TypeKeyMaker<Instruction> keyMaker = TypeKeyMakerFactory
 362                     .createInstructionKeyMaker(EncodeConstants.OF13_VERSION_ID);
 363             ListSerializer.serializeHeaderList(instructions, keyMaker, registry, output);
 364         }
 365         int length = output.writerIndex() - startIndex;
 366         output.setShort(lengthIndex, length);
 367         output.writeZero(paddingNeeded(length));
 368     }
 369
 370     private static int paddingNeeded(final int length) {
 371         int paddingRemainder = length % EncodeConstants.PADDING;
 372         int result = 0;
 373         if (paddingRemainder != 0) {
 374             result = EncodeConstants.PADDING - paddingRemainder;
 375         }
 376         return result;
 377     }
 378
 379     private void writeTableConfig(final TableConfig tableConfig, final ByteBuf outBuffer) {
 380         Map<Integer, Boolean> map = new HashMap<>();
 381         map.put(0, tableConfig.isOFPTCDEPRECATEDMASK());
 382         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 383         outBuffer.writeInt(bitmap);
 384     }
 385
 386     private void serializeMeterFeaturesBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 387         MultipartReplyMeterFeaturesCase meterFeaturesCase = (MultipartReplyMeterFeaturesCase) body;
 388         MultipartReplyMeterFeatures meterFeatures = meterFeaturesCase.getMultipartReplyMeterFeatures();
 389         outBuffer.writeInt(meterFeatures.getMaxMeter().intValue());
 390         writeBandTypes(meterFeatures.getBandTypes(), outBuffer);
 391         writeMeterFlags(meterFeatures.getCapabilities(), outBuffer);
 392         outBuffer.writeByte(meterFeatures.getMaxBands());
 393         outBuffer.writeByte(meterFeatures.getMaxColor());
 394         outBuffer.writeZero(METER_FEATURES_PADDING);
 395     }
 396
 397     private void writeBandTypes(final MeterBandTypeBitmap bandTypes, final ByteBuf outBuffer) {
 398         Map<Integer, Boolean> map = new HashMap<>();
 399         map.put(0, bandTypes.isOFPMBTDROP());
 400         map.put(1, bandTypes.isOFPMBTDSCPREMARK());
 401         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 402         outBuffer.writeInt(bitmap);
 403     }
 404
 405     private void serializeMeterConfigBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 406         MultipartReplyMeterConfigCase meterConfigCase = (MultipartReplyMeterConfigCase) body;
 407         MultipartReplyMeterConfig meter = meterConfigCase.getMultipartReplyMeterConfig();
 408         for (MeterConfig meterConfig : meter.getMeterConfig()) {
 409             ByteBuf meterConfigBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
 410             meterConfigBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
 411             writeMeterFlags(meterConfig.getFlags(), meterConfigBuff);
 412             meterConfigBuff.writeInt(meterConfig.getMeterId().getValue().intValue());
 413             for (Bands currentBand : meterConfig.getBands()) {
 414                 MeterBand meterBand = currentBand.getMeterBand();
 415                 if (meterBand instanceof MeterBandDropCase) {
 416                     MeterBandDropCase dropBandCase = (MeterBandDropCase) meterBand;
 417                     MeterBandDrop dropBand = dropBandCase.getMeterBandDrop();
 418                     writeBandCommonFields(dropBand, meterConfigBuff);
 419                 } else if (meterBand instanceof MeterBandDscpRemarkCase) {
 420                     MeterBandDscpRemarkCase dscpRemarkBandCase = (MeterBandDscpRemarkCase) meterBand;
 421                     MeterBandDscpRemark dscpRemarkBand = dscpRemarkBandCase.getMeterBandDscpRemark();
 422                     writeBandCommonFields(dscpRemarkBand, meterConfigBuff);
 423                 } else if (meterBand instanceof MeterBandExperimenterCase) {
 424                     MeterBandExperimenterCase experimenterBandCase = (MeterBandExperimenterCase) meterBand;
 425                     MeterBandExperimenter experimenterBand = experimenterBandCase.getMeterBandExperimenter();
 426                     writeBandCommonFields(experimenterBand, meterConfigBuff);
 427                 }
 428             }
 429             meterConfigBuff.setShort(METER_CONFIG_LENGTH_INDEX, meterConfigBuff.readableBytes());
 430             outBuffer.writeBytes(meterConfigBuff);
 431         }
 432     }
 433
 434     private static void writeBandCommonFields(final MeterBandCommons meterBand, final ByteBuf outBuffer) {
 435         outBuffer.writeShort(meterBand.getType().getIntValue());
 436         outBuffer.writeShort(LENGTH_OF_METER_BANDS);
 437         outBuffer.writeInt(meterBand.getRate().intValue());
 438         outBuffer.writeInt(meterBand.getBurstSize().intValue());
 439     }
 440
 441     private void writeMeterFlags(final MeterFlags flags, final ByteBuf outBuffer) {
 442         Map<Integer, Boolean> map = new HashMap<>();
 443         map.put(0, flags.isOFPMFKBPS());
 444         map.put(1, flags.isOFPMFPKTPS());
 445         map.put(2, flags.isOFPMFBURST());
 446         map.put(3, flags.isOFPMFSTATS());
 447         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 448         outBuffer.writeShort(bitmap);
 449     }
 450
 451     private void serializeMeterBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 452         MultipartReplyMeterCase meterCase = (MultipartReplyMeterCase) body;
 453         MultipartReplyMeter meter = meterCase.getMultipartReplyMeter();
 454         for (MeterStats meterStats : meter.getMeterStats()) {
 455             ByteBuf meterStatsBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
 456             meterStatsBuff.writeInt(meterStats.getMeterId().getValue().intValue());
 457             meterStatsBuff.writeInt(EncodeConstants.EMPTY_LENGTH);
 458             meterStatsBuff.writeZero(METER_PADDING);
 459             meterStatsBuff.writeInt(meterStats.getFlowCount().intValue());
 460             meterStatsBuff.writeLong(meterStats.getPacketInCount().longValue());
 461             meterStatsBuff.writeLong(meterStats.getByteInCount().longValue());
 462             meterStatsBuff.writeInt(meterStats.getDurationSec().intValue());
 463             meterStatsBuff.writeInt(meterStats.getDurationNsec().intValue());
 464             for (MeterBandStats meterBandStats : meterStats.getMeterBandStats()) {
 465                 meterStatsBuff.writeLong(meterBandStats.getPacketBandCount().longValue());
 466                 meterStatsBuff.writeLong(meterBandStats.getByteBandCount().longValue());
 467             }
 468             meterStatsBuff.setInt(METER_LENGTH_INDEX, meterStatsBuff.readableBytes());
 469             outBuffer.writeBytes(meterStatsBuff);
 470         }
 471     }
 472
 473     private void serializeGroupFeaturesBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 474         MultipartReplyGroupFeaturesCase groupFeaturesCase = (MultipartReplyGroupFeaturesCase) body;
 475         MultipartReplyGroupFeatures groupFeatures = groupFeaturesCase.getMultipartReplyGroupFeatures();
 476         writeGroupTypes(groupFeatures.getTypes(), outBuffer);
 477         writeGroupCapabilities(groupFeatures.getCapabilities(), outBuffer);
 478         for (Long maxGroups : groupFeatures.getMaxGroups()) {
 479             outBuffer.writeInt(maxGroups.intValue());
 480         }
 481         for (ActionType action : groupFeatures.getActionsBitmap()) {
 482             writeActionType(action, outBuffer);
 483         }
 484     }
 485
 486     private void writeActionType(final ActionType action, final ByteBuf outBuffer) {
 487         Map<Integer, Boolean> map = new HashMap<>();
 488         map.put(0, action.isOFPATOUTPUT());
 489         map.put(1, action.isOFPATCOPYTTLOUT());
 490         map.put(2, action.isOFPATCOPYTTLIN());
 491         map.put(3, action.isOFPATSETMPLSTTL());
 492         map.put(4, action.isOFPATDECMPLSTTL());
 493         map.put(5, action.isOFPATPUSHVLAN());
 494         map.put(6, action.isOFPATPOPVLAN());
 495         map.put(7, action.isOFPATPUSHMPLS());
 496         map.put(8, action.isOFPATPOPMPLS());
 497         map.put(9, action.isOFPATSETQUEUE());
 498         map.put(10, action.isOFPATGROUP());
 499         map.put(11, action.isOFPATSETNWTTL());
 500         map.put(12, action.isOFPATDECNWTTL());
 501         map.put(13, action.isOFPATSETFIELD());
 502         map.put(14, action.isOFPATPUSHPBB());
 503         map.put(15, action.isOFPATPOPPBB());
 504         map.put(16, action.isOFPATEXPERIMENTER());
 505         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 506         outBuffer.writeInt(bitmap);
 507     }
 508
 509     private void writeGroupCapabilities(final GroupCapabilities capabilities, final ByteBuf outBuffer) {
 510         Map<Integer, Boolean> map = new HashMap<>();
 511         map.put(0, capabilities.isOFPGFCSELECTWEIGHT());
 512         map.put(1, capabilities.isOFPGFCSELECTLIVENESS());
 513         map.put(2, capabilities.isOFPGFCCHAINING());
 514         map.put(3, capabilities.isOFPGFCCHAININGCHECKS());
 515         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 516         outBuffer.writeInt(bitmap);
 517     }
 518
 519     private void writeGroupTypes(final GroupTypes types, final ByteBuf outBuffer) {
 520         Map<Integer, Boolean> map = new HashMap<>();
 521         map.put(0, types.isOFPGTALL());
 522         map.put(1, types.isOFPGTSELECT());
 523         map.put(2, types.isOFPGTINDIRECT());
 524         map.put(3, types.isOFPGTFF());
 525         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 526         outBuffer.writeInt(bitmap);
 527     }
 528
 529     private void serializeGroupDescBody(final MultipartReplyBody body, final ByteBuf outBuffer, final MultipartReplyMessage message) {
 530         MultipartReplyGroupDescCase groupDescCase = (MultipartReplyGroupDescCase) body;
 531         MultipartReplyGroupDesc group = groupDescCase.getMultipartReplyGroupDesc();
 532         for (GroupDesc groupDesc : group.getGroupDesc()) {
 533             ByteBuf groupDescBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
 534             groupDescBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
 535             groupDescBuff.writeByte(groupDesc.getType().getIntValue());
 536             groupDescBuff.writeZero(GROUP_DESC_PADDING);
 537             groupDescBuff.writeInt(groupDesc.getGroupId().getValue().intValue());
 538             for (BucketsList bucket : groupDesc.getBucketsList()) {
 539                 ByteBuf bucketBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
 540                 bucketBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
 541                 bucketBuff.writeShort(bucket.getWeight());
 542                 bucketBuff.writeInt(bucket.getWatchPort().getValue().intValue());
 543                 bucketBuff.writeInt(bucket.getWatchGroup().intValue());
 544                 bucketBuff.writeZero(BUCKET_PADDING);
 545                 ListSerializer.serializeList(bucket.getAction(),
 546                         TypeKeyMakerFactory.createActionKeyMaker(message.getVersion()), registry, bucketBuff);
 547                 bucketBuff.setShort(BUCKET_LENGTH_INDEX, bucketBuff.readableBytes());
 548                 groupDescBuff.writeBytes(bucketBuff);
 549             }
 550             groupDescBuff.setShort(GROUP_DESC_LENGTH_INDEX, groupDescBuff.readableBytes());
 551             outBuffer.writeBytes(groupDescBuff);
 552         }
 553     }
 554
 555     private void serializeGroupBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 556         MultipartReplyGroupCase groupCase = (MultipartReplyGroupCase) body;
 557         MultipartReplyGroup group = groupCase.getMultipartReplyGroup();
 558         for (GroupStats groupStats : group.getGroupStats()) {
 559             ByteBuf groupStatsBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
 560             groupStatsBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
 561             groupStatsBuff.writeZero(GROUP_STATS_PADDING_1);
 562             groupStatsBuff.writeInt(groupStats.getGroupId().getValue().intValue());
 563             groupStatsBuff.writeInt(groupStats.getRefCount().intValue());
 564             groupStatsBuff.writeZero(GROUP_STATS_PADDING_2);
 565             groupStatsBuff.writeLong(groupStats.getPacketCount().longValue());
 566             groupStatsBuff.writeLong(groupStats.getByteCount().longValue());
 567             groupStatsBuff.writeInt(groupStats.getDurationSec().intValue());
 568             groupStatsBuff.writeInt(groupStats.getDurationNsec().intValue());
 569             for (BucketStats bucketStats : groupStats.getBucketStats()) {
 570                 groupStatsBuff.writeLong(bucketStats.getPacketCount().longValue());
 571                 groupStatsBuff.writeLong(bucketStats.getByteCount().longValue());
 572             }
 573             groupStatsBuff.setShort(GROUP_STATS_LENGTH_INDEX, groupStatsBuff.readableBytes());
 574             outBuffer.writeBytes(groupStatsBuff);
 575         }
 576     }
 577
 578     private void serializeQueueBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 579         MultipartReplyQueueCase queueCase = (MultipartReplyQueueCase) body;
 580         MultipartReplyQueue queue = queueCase.getMultipartReplyQueue();
 581         for (QueueStats queueStats : queue.getQueueStats()) {
 582             outBuffer.writeInt(queueStats.getPortNo().intValue());
 583             outBuffer.writeInt(queueStats.getQueueId().intValue());
 584             outBuffer.writeLong(queueStats.getTxBytes().longValue());
 585             outBuffer.writeLong(queueStats.getTxPackets().longValue());
 586             outBuffer.writeLong(queueStats.getTxErrors().longValue());
 587             outBuffer.writeInt(queueStats.getDurationSec().intValue());
 588             outBuffer.writeInt(queueStats.getDurationNsec().intValue());
 589         }
 590     }
 591
 592     private void serializePortStatsBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 593         MultipartReplyPortStatsCase portStatsCase = (MultipartReplyPortStatsCase) body;
 594         MultipartReplyPortStats portStats = portStatsCase.getMultipartReplyPortStats();
 595         for (PortStats portStat : portStats.getPortStats()) {
 596             outBuffer.writeInt(portStat.getPortNo().intValue());
 597             outBuffer.writeZero(PORT_STATS_PADDING);
 598             outBuffer.writeLong(portStat.getRxPackets().longValue());
 599             outBuffer.writeLong(portStat.getTxPackets().longValue());
 600             outBuffer.writeLong(portStat.getRxBytes().longValue());
 601             outBuffer.writeLong(portStat.getTxBytes().longValue());
 602             outBuffer.writeLong(portStat.getRxDropped().longValue());
 603             outBuffer.writeLong(portStat.getTxDropped().longValue());
 604             outBuffer.writeLong(portStat.getRxErrors().longValue());
 605             outBuffer.writeLong(portStat.getTxErrors().longValue());
 606             outBuffer.writeLong(portStat.getRxFrameErr().longValue());
 607             outBuffer.writeLong(portStat.getRxOverErr().longValue());
 608             outBuffer.writeLong(portStat.getRxCrcErr().longValue());
 609             outBuffer.writeLong(portStat.getCollisions().longValue());
 610             outBuffer.writeInt(portStat.getDurationSec().intValue());
 611             outBuffer.writeInt(portStat.getDurationNsec().intValue());
 612         }
 613     }
 614
 615     private void serializeTableBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 616         MultipartReplyTableCase tableCase = (MultipartReplyTableCase) body;
 617         MultipartReplyTable table = tableCase.getMultipartReplyTable();
 618         for (TableStats tableStats : table.getTableStats()) {
 619             outBuffer.writeByte(tableStats.getTableId());
 620             outBuffer.writeZero(TABLE_PADDING);
 621             outBuffer.writeInt(tableStats.getActiveCount().intValue());
 622             outBuffer.writeLong(tableStats.getLookupCount().longValue());
 623             outBuffer.writeLong(tableStats.getMatchedCount().longValue());
 624         }
 625     }
 626
 627     private void serializeAggregateBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 628         MultipartReplyAggregateCase aggregateCase = (MultipartReplyAggregateCase) body;
 629         MultipartReplyAggregate aggregate = aggregateCase.getMultipartReplyAggregate();
 630         outBuffer.writeLong(aggregate.getPacketCount().longValue());
 631         outBuffer.writeLong(aggregate.getByteCount().longValue());
 632         outBuffer.writeInt(aggregate.getFlowCount().intValue());
 633         outBuffer.writeZero(AGGREGATE_PADDING);
 634     }
 635
 636     private void serializeFlowBody(final MultipartReplyBody body, final ByteBuf outBuffer, final MultipartReplyMessage message) {
 637         MultipartReplyFlowCase flowCase = (MultipartReplyFlowCase) body;
 638         MultipartReplyFlow flow = flowCase.getMultipartReplyFlow();
 639         for (FlowStats flowStats : flow.getFlowStats()) {
 640             ByteBuf flowStatsBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
 641             flowStatsBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
 642             flowStatsBuff.writeByte(new Long(flowStats.getTableId()).byteValue());
 643             flowStatsBuff.writeZero(FLOW_STATS_PADDING_1);
 644             flowStatsBuff.writeInt(flowStats.getDurationSec().intValue());
 645             flowStatsBuff.writeInt(flowStats.getDurationNsec().intValue());
 646             flowStatsBuff.writeShort(flowStats.getPriority());
 647             flowStatsBuff.writeShort(flowStats.getIdleTimeout());
 648             flowStatsBuff.writeShort(flowStats.getHardTimeout());
 649             flowStatsBuff.writeZero(FLOW_STATS_PADDING_2);
 650             flowStatsBuff.writeLong(flowStats.getCookie().longValue());
 651             flowStatsBuff.writeLong(flowStats.getPacketCount().longValue());
 652             flowStatsBuff.writeLong(flowStats.getByteCount().longValue());
 653             OFSerializer<Match> matchSerializer = registry.<Match, OFSerializer<Match>> getSerializer(
 654                     new MessageTypeKey<>(message.getVersion(), Match.class));
 655             matchSerializer.serialize(flowStats.getMatch(), flowStatsBuff);
 656             ListSerializer.serializeList(flowStats.getInstruction(),
 657                     TypeKeyMakerFactory.createInstructionKeyMaker(message.getVersion()), registry, flowStatsBuff);
 658
 659             flowStatsBuff.setShort(FLOW_STATS_LENGTH_INDEX, flowStatsBuff.readableBytes());
 660             outBuffer.writeBytes(flowStatsBuff);
 661         }
 662     }
 663
 664     private void serializeDescBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 665         MultipartReplyDescCase descCase = (MultipartReplyDescCase) body;
 666         MultipartReplyDesc desc = descCase.getMultipartReplyDesc();
 667         write256String(desc.getMfrDesc(), outBuffer);
 668         write256String(desc.getHwDesc(), outBuffer);
 669         write256String(desc.getSwDesc(), outBuffer);
 670         write32String(desc.getSerialNum(), outBuffer);
 671         write256String(desc.getDpDesc(), outBuffer);
 672     }
 673
 674     private void write256String(final String toWrite, final ByteBuf outBuffer) {
 675         byte[] nameBytes = toWrite.getBytes();
 676         if (nameBytes.length < 256) {
 677             byte[] nameBytesPadding = new byte[256];
 678             int i = 0;
 679             for (byte b : nameBytes) {
 680                 nameBytesPadding[i] = b;
 681                 i++;
 682             }
 683             for (; i < 256; i++) {
 684                 nameBytesPadding[i] = 0x0;
 685             }
 686             outBuffer.writeBytes(nameBytesPadding);
 687         } else {
 688             outBuffer.writeBytes(nameBytes);
 689         }
 690     }
 691
 692     private void write32String(final String toWrite, final ByteBuf outBuffer) {
 693         byte[] nameBytes = toWrite.getBytes();
 694         if (nameBytes.length < 32) {
 695             byte[] nameBytesPadding = new byte[32];
 696             int i = 0;
 697             for (byte b : nameBytes) {
 698                 nameBytesPadding[i] = b;
 699                 i++;
 700             }
 701             for (; i < 32; i++) {
 702                 nameBytesPadding[i] = 0x0;
 703             }
 704             outBuffer.writeBytes(nameBytesPadding);
 705         } else {
 706             outBuffer.writeBytes(nameBytes);
 707         }
 708     }
 709
 710     private void serializePortDescBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 711         MultipartReplyPortDescCase portCase = (MultipartReplyPortDescCase) body;
 712         MultipartReplyPortDesc portDesc = portCase.getMultipartReplyPortDesc();
 713         for (Ports port : portDesc.getPorts()) {
 714             outBuffer.writeInt(port.getPortNo().intValue()); // Assuming PortNo
 715                                                              // = PortId
 716             outBuffer.writeZero(PORT_DESC_PADDING_1);
 717             outBuffer.writeBytes(IetfYangUtil.INSTANCE.bytesFor(port.getHwAddr()));
 718             outBuffer.writeZero(PORT_DESC_PADDING_2);
 719             writeName(port.getName(), outBuffer);
 720             writePortConfig(port.getConfig(), outBuffer);
 721             writePortState(port.getState(), outBuffer);
 722             writePortFeatures(port.getCurrentFeatures(), outBuffer);
 723             writePortFeatures(port.getAdvertisedFeatures(), outBuffer);
 724             writePortFeatures(port.getSupportedFeatures(), outBuffer);
 725             writePortFeatures(port.getPeerFeatures(), outBuffer);
 726             outBuffer.writeInt(port.getCurrSpeed().intValue());
 727             outBuffer.writeInt(port.getMaxSpeed().intValue());
 728         }
 729     }
 730
 731     private void writeName(final String name, final ByteBuf outBuffer) {
 732         byte[] nameBytes = name.getBytes();
 733         if (nameBytes.length < 16) {
 734             byte[] nameBytesPadding = new byte[16];
 735             int i = 0;
 736             for (byte b : nameBytes) {
 737                 nameBytesPadding[i] = b;
 738                 i++;
 739             }
 740             for (; i < 16; i++) {
 741                 nameBytesPadding[i] = 0x0;
 742             }
 743             outBuffer.writeBytes(nameBytesPadding);
 744         } else {
 745             outBuffer.writeBytes(nameBytes);
 746         }
 747
 748     }
 749
 750     private void writePortConfig(final PortConfig config, final ByteBuf outBuffer) {
 751         Map<Integer, Boolean> map = new HashMap<>();
 752         map.put(0, config.isPortDown());
 753         map.put(2, config.isNoRecv());
 754         map.put(5, config.isNoFwd());
 755         map.put(6, config.isNoPacketIn());
 756         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 757         outBuffer.writeInt(bitmap);
 758     }
 759
 760     private void writePortState(final PortState state, final ByteBuf outBuffer) {
 761         Map<Integer, Boolean> map = new HashMap<>();
 762         map.put(0, state.isLinkDown());
 763         map.put(1, state.isBlocked());
 764         map.put(2, state.isLive());
 765         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 766         outBuffer.writeInt(bitmap);
 767     }
 768
 769     private void writePortFeatures(final PortFeatures features, final ByteBuf outBuffer) {
 770         Map<Integer, Boolean> map = new HashMap<>();
 771         map.put(0, features.is_10mbHd());
 772         map.put(1, features.is_10mbFd());
 773         map.put(2, features.is_100mbHd());
 774         map.put(3, features.is_100mbFd());
 775         map.put(4, features.is_1gbHd());
 776         map.put(5, features.is_1gbFd());
 777         map.put(6, features.is_10gbFd());
 778         map.put(7, features.is_40gbFd());
 779         map.put(8, features.is_100gbFd());
 780         map.put(9, features.is_1tbFd());
 781         map.put(10, features.isOther());
 782         map.put(11, features.isCopper());
 783         map.put(12, features.isFiber());
 784         map.put(13, features.isAutoneg());
 785         map.put(14, features.isPause());
 786         map.put(15, features.isPauseAsym());
 787         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 788         outBuffer.writeInt(bitmap);
 789     }
 790 }