openflowjava/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 edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  11 import io.netty.buffer.ByteBuf;
  12 import io.netty.buffer.UnpooledByteBufAllocator;
  13 import java.nio.charset.StandardCharsets;
  14 import java.util.HashMap;
  15 import java.util.List;
  16 import java.util.Map;
  17 import java.util.Objects;
  18 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  19 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
  20 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
  21 import org.opendaylight.openflowjava.protocol.api.keys.MessageTypeKey;
  22 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  23 import org.opendaylight.openflowjava.protocol.impl.util.ListSerializer;
  24 import org.opendaylight.openflowjava.protocol.impl.util.TypeKeyMaker;
  25 import org.opendaylight.openflowjava.protocol.impl.util.TypeKeyMakerFactory;
  26 import org.opendaylight.openflowjava.util.ByteBufUtils;
  27 import org.opendaylight.openflowjava.util.ExperimenterSerializerKeyFactory;
  28 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.IetfYangUtil;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.ActionRelatedTableFeatureProperty;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.ExperimenterIdTableFeatureProperty;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.InstructionRelatedTableFeatureProperty;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.NextTableRelatedTableFeatureProperty;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.OxmRelatedTableFeatureProperty;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev150225.table.features.properties.container.table.feature.properties.NextTableIds;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev150203.actions.grouping.Action;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.Instruction;
  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.GroupCapabilities;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.GroupTypes;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MeterBandTypeBitmap;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MeterFlags;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartRequestFlags;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortConfig;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortFeatures;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.PortState;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.TableConfig;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.grouping.Match;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MeterBandCommons;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReplyMessage;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.buckets.grouping.BucketsList;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.MeterBand;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.MeterBandDropCase;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.MeterBandDscpRemarkCase;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.MeterBandExperimenterCase;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.meter.band.drop._case.MeterBandDrop;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.meter.band.dscp.remark._case.MeterBandDscpRemark;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.meter.band.header.meter.band.meter.band.experimenter._case.MeterBandExperimenter;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.MultipartReplyBody;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyAggregateCase;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyDescCase;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyFlowCase;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupCase;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupDescCase;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyGroupFeaturesCase;
  66 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyMeterCase;
  67 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyMeterConfigCase;
  68 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyMeterFeaturesCase;
  69 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyPortDescCase;
  70 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyPortStatsCase;
  71 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyQueueCase;
  72 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyTableCase;
  73 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.MultipartReplyTableFeaturesCase;
  74 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.aggregate._case.MultipartReplyAggregate;
  75 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.desc._case.MultipartReplyDesc;
  76 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.flow._case.MultipartReplyFlow;
  77 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.flow._case.multipart.reply.flow.FlowStats;
  78 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group._case.MultipartReplyGroup;
  79 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group._case.multipart.reply.group.GroupStats;
  80 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;
  81 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group.desc._case.MultipartReplyGroupDesc;
  82 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;
  83 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.group.features._case.MultipartReplyGroupFeatures;
  84 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter._case.MultipartReplyMeter;
  85 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter._case.multipart.reply.meter.MeterStats;
  86 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;
  87 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter.config._case.MultipartReplyMeterConfig;
  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.MeterConfig;
  89 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;
  90 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.meter.features._case.MultipartReplyMeterFeatures;
  91 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.port.desc._case.MultipartReplyPortDesc;
  92 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;
  93 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.port.stats._case.MultipartReplyPortStats;
  94 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;
  95 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.queue._case.MultipartReplyQueue;
  96 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.queue._case.multipart.reply.queue.QueueStats;
  97 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table._case.MultipartReplyTable;
  98 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table._case.multipart.reply.table.TableStats;
  99 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.reply.multipart.reply.body.multipart.reply.table.features._case.MultipartReplyTableFeatures;
 100 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;
 101 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.table.features.properties.grouping.TableFeatureProperties;
 102 import org.opendaylight.yangtools.yang.common.Uint32;
 103
 104 /**
 105  * Translates MultipartReply messages.
 106  *
 107  * @author giuseppex.petralia@intel.com
 108  */
 109 @SuppressFBWarnings("UWF_FIELD_NOT_INITIALIZED_IN_CONSTRUCTOR") // FB doesn't recognize Objects.requireNonNull
 110 public class MultipartReplyMessageFactory implements OFSerializer<MultipartReplyMessage>, SerializerRegistryInjector {
 111
 112     private static final byte MESSAGE_TYPE = 19;
 113     private static final byte PADDING = 4;
 114     private static final byte PORT_DESC_PADDING_1 = 4;
 115     private static final byte PORT_DESC_PADDING_2 = 2;
 116     private static final int FLOW_STATS_LENGTH_INDEX = 0;
 117     private static final byte FLOW_STATS_PADDING_1 = 1;
 118     private static final byte FLOW_STATS_PADDING_2 = 6;
 119     private static final byte AGGREGATE_PADDING = 4;
 120     private static final byte TABLE_PADDING = 3;
 121     private static final byte PORT_STATS_PADDING = 4;
 122     private static final byte GROUP_STATS_PADDING_1 = 2;
 123     private static final byte GROUP_STATS_PADDING_2 = 4;
 124     private static final int GROUP_STATS_LENGTH_INDEX = 0;
 125     private static final int GROUP_DESC_LENGTH_INDEX = 0;
 126     private static final int BUCKET_LENGTH_INDEX = 0;
 127     private static final byte GROUP_DESC_PADDING = 1;
 128     private static final byte BUCKET_PADDING = 4;
 129     private static final int METER_LENGTH_INDEX = 4;
 130     private static final byte METER_PADDING = 6;
 131     private static final int METER_CONFIG_LENGTH_INDEX = 0;
 132     private static final short LENGTH_OF_METER_BANDS = 16;
 133     private static final byte METER_FEATURES_PADDING = 2;
 134     private static final int TABLE_FEATURES_LENGTH_INDEX = 0;
 135     private static final byte TABLE_FEATURES_PADDING = 5;
 136     private static final byte INSTRUCTIONS_CODE = 0;
 137     private static final byte INSTRUCTIONS_MISS_CODE = 1;
 138     private static final byte NEXT_TABLE_CODE = 2;
 139     private static final byte NEXT_TABLE_MISS_CODE = 3;
 140     private static final byte WRITE_ACTIONS_CODE = 4;
 141     private static final byte WRITE_ACTIONS_MISS_CODE = 5;
 142     private static final byte APPLY_ACTIONS_CODE = 6;
 143     private static final byte APPLY_ACTIONS_MISS_CODE = 7;
 144     private static final byte MATCH_CODE = 8;
 145     private static final byte WILDCARDS_CODE = 10;
 146     private static final byte WRITE_SETFIELD_CODE = 12;
 147     private static final byte WRITE_SETFIELD_MISS_CODE = 13;
 148     private static final byte APPLY_SETFIELD_CODE = 14;
 149     private static final byte APPLY_SETFIELD_MISS_CODE = 15;
 150
 151     private SerializerRegistry registry;
 152
 153     @Override
 154     public void injectSerializerRegistry(final SerializerRegistry serializerRegistry) {
 155         this.registry = serializerRegistry;
 156     }
 157
 158     @Override
 159     public void serialize(final MultipartReplyMessage message, final ByteBuf outBuffer) {
 160         Objects.requireNonNull(registry);
 161
 162         ByteBufUtils.writeOFHeader(MESSAGE_TYPE, message, outBuffer, EncodeConstants.EMPTY_LENGTH);
 163         outBuffer.writeShort(message.getType().getIntValue());
 164         writeFlags(message.getFlags(), outBuffer);
 165         outBuffer.writeZero(PADDING);
 166         switch (message.getType()) {
 167             case OFPMPDESC:
 168                 serializeDescBody(message.getMultipartReplyBody(), outBuffer);
 169                 break;
 170             case OFPMPFLOW:
 171                 serializeFlowBody(message.getMultipartReplyBody(), outBuffer, message);
 172                 break;
 173             case OFPMPAGGREGATE:
 174                 serializeAggregateBody(message.getMultipartReplyBody(), outBuffer);
 175                 break;
 176             case OFPMPTABLE:
 177                 serializeTableBody(message.getMultipartReplyBody(), outBuffer);
 178                 break;
 179             case OFPMPPORTSTATS:
 180                 serializePortStatsBody(message.getMultipartReplyBody(), outBuffer);
 181                 break;
 182             case OFPMPQUEUE:
 183                 serializeQueueBody(message.getMultipartReplyBody(), outBuffer);
 184                 break;
 185             case OFPMPGROUP:
 186                 serializeGroupBody(message.getMultipartReplyBody(), outBuffer);
 187                 break;
 188             case OFPMPGROUPDESC:
 189                 serializeGroupDescBody(message.getMultipartReplyBody(), outBuffer, message);
 190                 break;
 191             case OFPMPGROUPFEATURES:
 192                 serializeGroupFeaturesBody(message.getMultipartReplyBody(), outBuffer);
 193                 break;
 194             case OFPMPMETER:
 195                 serializeMeterBody(message.getMultipartReplyBody(), outBuffer);
 196                 break;
 197             case OFPMPMETERCONFIG:
 198                 serializeMeterConfigBody(message.getMultipartReplyBody(), outBuffer);
 199                 break;
 200             case OFPMPMETERFEATURES:
 201                 serializeMeterFeaturesBody(message.getMultipartReplyBody(), outBuffer);
 202                 break;
 203             case OFPMPTABLEFEATURES:
 204                 serializeTableFeaturesBody(message.getMultipartReplyBody(), outBuffer);
 205                 break;
 206             case OFPMPPORTDESC:
 207                 serializePortDescBody(message.getMultipartReplyBody(), outBuffer);
 208                 break;
 209             case OFPMPEXPERIMENTER:
 210                 serializeExperimenterBody(message.getMultipartReplyBody(), outBuffer);
 211                 break;
 212             default:
 213                 break;
 214         }
 215         ByteBufUtils.updateOFHeaderLength(outBuffer);
 216     }
 217
 218     private void serializeExperimenterBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 219 //        MultipartReplyExperimenterCase experimenterCase = (MultipartReplyExperimenterCase) body;
 220 //        MultipartReplyExperimenter experimenterBody = experimenterCase.getMultipartReplyExperimenter();
 221         // TODO: experimenterBody does not have get methods
 222     }
 223
 224     private void writeFlags(final MultipartRequestFlags flags, final ByteBuf outBuffer) {
 225         Map<Integer, Boolean> map = new HashMap<>();
 226         map.put(0, flags.isOFPMPFREQMORE());
 227         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 228         outBuffer.writeShort(bitmap);
 229     }
 230
 231     private void serializeTableFeaturesBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 232         MultipartReplyTableFeaturesCase tableFeaturesCase = (MultipartReplyTableFeaturesCase) body;
 233         MultipartReplyTableFeatures tableFeatures = tableFeaturesCase.getMultipartReplyTableFeatures();
 234         for (TableFeatures tableFeature : tableFeatures.getTableFeatures()) {
 235             ByteBuf tableFeatureBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
 236             tableFeatureBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
 237             tableFeatureBuff.writeByte(tableFeature.getTableId().toJava());
 238             tableFeatureBuff.writeZero(TABLE_FEATURES_PADDING);
 239             write32String(tableFeature.getName(), tableFeatureBuff);
 240             tableFeatureBuff.writeBytes(tableFeature.getMetadataMatch());
 241             tableFeatureBuff.writeZero(64 - tableFeature.getMetadataMatch().length);
 242             tableFeatureBuff.writeBytes(tableFeature.getMetadataWrite());
 243             tableFeatureBuff.writeZero(64 - tableFeature.getMetadataWrite().length);
 244             writeTableConfig(tableFeature.getConfig(), tableFeatureBuff);
 245             tableFeatureBuff.writeInt(tableFeature.getMaxEntries().intValue());
 246             for (TableFeatureProperties tableFeatureProp : tableFeature.getTableFeatureProperties()) {
 247                 switch (tableFeatureProp.getType()) {
 248                     case OFPTFPTINSTRUCTIONS:
 249                         writeInstructionRelatedTableProperty(tableFeatureBuff, tableFeatureProp, INSTRUCTIONS_CODE);
 250                         break;
 251                     case OFPTFPTINSTRUCTIONSMISS:
 252                         writeInstructionRelatedTableProperty(tableFeatureBuff, tableFeatureProp,
 253                                 INSTRUCTIONS_MISS_CODE);
 254                         break;
 255                     case OFPTFPTNEXTTABLES:
 256                         writeNextTableRelatedTableProperty(tableFeatureBuff, tableFeatureProp, NEXT_TABLE_CODE);
 257                         break;
 258                     case OFPTFPTNEXTTABLESMISS:
 259                         writeNextTableRelatedTableProperty(tableFeatureBuff, tableFeatureProp, NEXT_TABLE_MISS_CODE);
 260                         break;
 261                     case OFPTFPTWRITEACTIONS:
 262                         writeActionsRelatedTableProperty(tableFeatureBuff, tableFeatureProp, WRITE_ACTIONS_CODE);
 263                         break;
 264                     case OFPTFPTWRITEACTIONSMISS:
 265                         writeActionsRelatedTableProperty(tableFeatureBuff, tableFeatureProp, WRITE_ACTIONS_MISS_CODE);
 266                         break;
 267                     case OFPTFPTAPPLYACTIONS:
 268                         writeActionsRelatedTableProperty(tableFeatureBuff, tableFeatureProp, APPLY_ACTIONS_CODE);
 269                         break;
 270                     case OFPTFPTAPPLYACTIONSMISS:
 271                         writeActionsRelatedTableProperty(tableFeatureBuff, tableFeatureProp, APPLY_ACTIONS_MISS_CODE);
 272                         break;
 273                     case OFPTFPTMATCH:
 274                         writeOxmRelatedTableProperty(tableFeatureBuff, tableFeatureProp, MATCH_CODE);
 275                         break;
 276                     case OFPTFPTWILDCARDS:
 277                         writeOxmRelatedTableProperty(tableFeatureBuff, tableFeatureProp, WILDCARDS_CODE);
 278                         break;
 279                     case OFPTFPTWRITESETFIELD:
 280                         writeOxmRelatedTableProperty(tableFeatureBuff, tableFeatureProp, WRITE_SETFIELD_CODE);
 281                         break;
 282                     case OFPTFPTWRITESETFIELDMISS:
 283                         writeOxmRelatedTableProperty(tableFeatureBuff, tableFeatureProp, WRITE_SETFIELD_MISS_CODE);
 284                         break;
 285                     case OFPTFPTAPPLYSETFIELD:
 286                         writeOxmRelatedTableProperty(tableFeatureBuff, tableFeatureProp, APPLY_SETFIELD_CODE);
 287                         break;
 288                     case OFPTFPTAPPLYSETFIELDMISS:
 289                         writeOxmRelatedTableProperty(tableFeatureBuff, tableFeatureProp, APPLY_SETFIELD_MISS_CODE);
 290                         break;
 291                     case OFPTFPTEXPERIMENTER:
 292                     case OFPTFPTEXPERIMENTERMISS:
 293                         writeExperimenterRelatedTableProperty(tableFeatureBuff, tableFeatureProp);
 294                         break;
 295                     default:
 296                         break;
 297                 }
 298             }
 299             tableFeatureBuff.setShort(TABLE_FEATURES_LENGTH_INDEX, tableFeatureBuff.readableBytes());
 300             outBuffer.writeBytes(tableFeatureBuff);
 301         }
 302     }
 303
 304     private void writeExperimenterRelatedTableProperty(final ByteBuf output, final TableFeatureProperties property) {
 305         long expId = property.augmentation(ExperimenterIdTableFeatureProperty.class).getExperimenter().getValue()
 306             .toJava();
 307         OFSerializer<TableFeatureProperties> serializer = registry.getSerializer(ExperimenterSerializerKeyFactory
 308                 .createMultipartRequestTFSerializerKey(EncodeConstants.OF13_VERSION_ID, expId));
 309         serializer.serialize(property, output);
 310     }
 311
 312     private void writeOxmRelatedTableProperty(final ByteBuf output, final TableFeatureProperties property,
 313             final byte code) {
 314         final int startIndex = output.writerIndex();
 315         output.writeShort(code);
 316         int lengthIndex = output.writerIndex();
 317         output.writeShort(EncodeConstants.EMPTY_LENGTH);
 318         List<MatchEntry> entries = property.augmentation(OxmRelatedTableFeatureProperty.class).getMatchEntry();
 319         if (entries != null) {
 320             TypeKeyMaker<MatchEntry> keyMaker = TypeKeyMakerFactory
 321                     .createMatchEntriesKeyMaker(EncodeConstants.OF13_VERSION_ID);
 322             ListSerializer.serializeHeaderList(entries, keyMaker, registry, output);
 323         }
 324         int length = output.writerIndex() - startIndex;
 325         output.setShort(lengthIndex, length);
 326         output.writeZero(paddingNeeded(length));
 327     }
 328
 329     private void writeActionsRelatedTableProperty(final ByteBuf output, final TableFeatureProperties property,
 330             final byte code) {
 331         final int startIndex = output.writerIndex();
 332         output.writeShort(code);
 333         int lengthIndex = output.writerIndex();
 334         output.writeShort(EncodeConstants.EMPTY_LENGTH);
 335         List<Action> actions = property.augmentation(ActionRelatedTableFeatureProperty.class).getAction();
 336         if (actions != null) {
 337             TypeKeyMaker<Action> keyMaker = TypeKeyMakerFactory.createActionKeyMaker(EncodeConstants.OF13_VERSION_ID);
 338             ListSerializer.serializeHeaderList(actions, keyMaker, registry, output);
 339         }
 340         int length = output.writerIndex() - startIndex;
 341         output.setShort(lengthIndex, length);
 342         output.writeZero(paddingNeeded(length));
 343     }
 344
 345     private static void writeNextTableRelatedTableProperty(final ByteBuf output, final TableFeatureProperties property,
 346             final byte code) {
 347         final int startIndex = output.writerIndex();
 348         output.writeShort(code);
 349         int lengthIndex = output.writerIndex();
 350         output.writeShort(EncodeConstants.EMPTY_LENGTH);
 351         List<NextTableIds> nextTableIds = property.augmentation(NextTableRelatedTableFeatureProperty.class)
 352                 .getNextTableIds();
 353         if (nextTableIds != null) {
 354             for (NextTableIds next : nextTableIds) {
 355                 output.writeByte(next.getTableId().toJava());
 356             }
 357         }
 358         int length = output.writerIndex() - startIndex;
 359         output.setShort(lengthIndex, length);
 360         output.writeZero(paddingNeeded(length));
 361     }
 362
 363     private void writeInstructionRelatedTableProperty(final ByteBuf output, final TableFeatureProperties property,
 364             final byte code) {
 365         final int startIndex = output.writerIndex();
 366         output.writeShort(code);
 367         int lengthIndex = output.writerIndex();
 368         output.writeShort(EncodeConstants.EMPTY_LENGTH);
 369         List<Instruction> instructions = property.augmentation(InstructionRelatedTableFeatureProperty.class)
 370                 .getInstruction();
 371         if (instructions != null) {
 372             TypeKeyMaker<Instruction> keyMaker = TypeKeyMakerFactory
 373                     .createInstructionKeyMaker(EncodeConstants.OF13_VERSION_ID);
 374             ListSerializer.serializeHeaderList(instructions, keyMaker, registry, output);
 375         }
 376         int length = output.writerIndex() - startIndex;
 377         output.setShort(lengthIndex, length);
 378         output.writeZero(paddingNeeded(length));
 379     }
 380
 381     private static int paddingNeeded(final int length) {
 382         int paddingRemainder = length % EncodeConstants.PADDING;
 383         int result = 0;
 384         if (paddingRemainder != 0) {
 385             result = EncodeConstants.PADDING - paddingRemainder;
 386         }
 387         return result;
 388     }
 389
 390     private void writeTableConfig(final TableConfig tableConfig, final ByteBuf outBuffer) {
 391         Map<Integer, Boolean> map = new HashMap<>();
 392         map.put(0, tableConfig.isOFPTCDEPRECATEDMASK());
 393         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 394         outBuffer.writeInt(bitmap);
 395     }
 396
 397     private void serializeMeterFeaturesBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 398         MultipartReplyMeterFeaturesCase meterFeaturesCase = (MultipartReplyMeterFeaturesCase) body;
 399         MultipartReplyMeterFeatures meterFeatures = meterFeaturesCase.getMultipartReplyMeterFeatures();
 400         outBuffer.writeInt(meterFeatures.getMaxMeter().intValue());
 401         writeBandTypes(meterFeatures.getBandTypes(), outBuffer);
 402         writeMeterFlags(meterFeatures.getCapabilities(), outBuffer);
 403         outBuffer.writeByte(meterFeatures.getMaxBands().toJava());
 404         outBuffer.writeByte(meterFeatures.getMaxColor().toJava());
 405         outBuffer.writeZero(METER_FEATURES_PADDING);
 406     }
 407
 408     private void writeBandTypes(final MeterBandTypeBitmap bandTypes, final ByteBuf outBuffer) {
 409         Map<Integer, Boolean> map = new HashMap<>();
 410         map.put(0, bandTypes.isOFPMBTDROP());
 411         map.put(1, bandTypes.isOFPMBTDSCPREMARK());
 412         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 413         outBuffer.writeInt(bitmap);
 414     }
 415
 416     private void serializeMeterConfigBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 417         MultipartReplyMeterConfigCase meterConfigCase = (MultipartReplyMeterConfigCase) body;
 418         MultipartReplyMeterConfig meter = meterConfigCase.getMultipartReplyMeterConfig();
 419         for (MeterConfig meterConfig : meter.getMeterConfig()) {
 420             ByteBuf meterConfigBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
 421             meterConfigBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
 422             writeMeterFlags(meterConfig.getFlags(), meterConfigBuff);
 423             meterConfigBuff.writeInt(meterConfig.getMeterId().getValue().intValue());
 424             for (Bands currentBand : meterConfig.getBands()) {
 425                 MeterBand meterBand = currentBand.getMeterBand();
 426                 if (meterBand instanceof MeterBandDropCase) {
 427                     MeterBandDropCase dropBandCase = (MeterBandDropCase) meterBand;
 428                     MeterBandDrop dropBand = dropBandCase.getMeterBandDrop();
 429                     writeBandCommonFields(dropBand, meterConfigBuff);
 430                 } else if (meterBand instanceof MeterBandDscpRemarkCase) {
 431                     MeterBandDscpRemarkCase dscpRemarkBandCase = (MeterBandDscpRemarkCase) meterBand;
 432                     MeterBandDscpRemark dscpRemarkBand = dscpRemarkBandCase.getMeterBandDscpRemark();
 433                     writeBandCommonFields(dscpRemarkBand, meterConfigBuff);
 434                 } else if (meterBand instanceof MeterBandExperimenterCase) {
 435                     MeterBandExperimenterCase experimenterBandCase = (MeterBandExperimenterCase) meterBand;
 436                     MeterBandExperimenter experimenterBand = experimenterBandCase.getMeterBandExperimenter();
 437                     writeBandCommonFields(experimenterBand, meterConfigBuff);
 438                 }
 439             }
 440             meterConfigBuff.setShort(METER_CONFIG_LENGTH_INDEX, meterConfigBuff.readableBytes());
 441             outBuffer.writeBytes(meterConfigBuff);
 442         }
 443     }
 444
 445     private static void writeBandCommonFields(final MeterBandCommons meterBand, final ByteBuf outBuffer) {
 446         outBuffer.writeShort(meterBand.getType().getIntValue());
 447         outBuffer.writeShort(LENGTH_OF_METER_BANDS);
 448         outBuffer.writeInt(meterBand.getRate().intValue());
 449         outBuffer.writeInt(meterBand.getBurstSize().intValue());
 450     }
 451
 452     private void writeMeterFlags(final MeterFlags flags, final ByteBuf outBuffer) {
 453         Map<Integer, Boolean> map = new HashMap<>();
 454         map.put(0, flags.isOFPMFKBPS());
 455         map.put(1, flags.isOFPMFPKTPS());
 456         map.put(2, flags.isOFPMFBURST());
 457         map.put(3, flags.isOFPMFSTATS());
 458         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 459         outBuffer.writeShort(bitmap);
 460     }
 461
 462     private void serializeMeterBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 463         MultipartReplyMeterCase meterCase = (MultipartReplyMeterCase) body;
 464         MultipartReplyMeter meter = meterCase.getMultipartReplyMeter();
 465         for (MeterStats meterStats : meter.getMeterStats()) {
 466             ByteBuf meterStatsBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
 467             meterStatsBuff.writeInt(meterStats.getMeterId().getValue().intValue());
 468             meterStatsBuff.writeInt(EncodeConstants.EMPTY_LENGTH);
 469             meterStatsBuff.writeZero(METER_PADDING);
 470             meterStatsBuff.writeInt(meterStats.getFlowCount().intValue());
 471             meterStatsBuff.writeLong(meterStats.getPacketInCount().longValue());
 472             meterStatsBuff.writeLong(meterStats.getByteInCount().longValue());
 473             meterStatsBuff.writeInt(meterStats.getDurationSec().intValue());
 474             meterStatsBuff.writeInt(meterStats.getDurationNsec().intValue());
 475             for (MeterBandStats meterBandStats : meterStats.getMeterBandStats()) {
 476                 meterStatsBuff.writeLong(meterBandStats.getPacketBandCount().longValue());
 477                 meterStatsBuff.writeLong(meterBandStats.getByteBandCount().longValue());
 478             }
 479             meterStatsBuff.setInt(METER_LENGTH_INDEX, meterStatsBuff.readableBytes());
 480             outBuffer.writeBytes(meterStatsBuff);
 481         }
 482     }
 483
 484     private void serializeGroupFeaturesBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 485         MultipartReplyGroupFeaturesCase groupFeaturesCase = (MultipartReplyGroupFeaturesCase) body;
 486         MultipartReplyGroupFeatures groupFeatures = groupFeaturesCase.getMultipartReplyGroupFeatures();
 487         writeGroupTypes(groupFeatures.getTypes(), outBuffer);
 488         writeGroupCapabilities(groupFeatures.getCapabilities(), outBuffer);
 489         for (Uint32 maxGroups : groupFeatures.getMaxGroups()) {
 490             outBuffer.writeInt(maxGroups.intValue());
 491         }
 492         for (ActionType action : groupFeatures.getActionsBitmap()) {
 493             writeActionType(action, outBuffer);
 494         }
 495     }
 496
 497     private void writeActionType(final ActionType action, final ByteBuf outBuffer) {
 498         Map<Integer, Boolean> map = new HashMap<>();
 499         map.put(0, action.isOFPATOUTPUT());
 500         map.put(1, action.isOFPATCOPYTTLOUT());
 501         map.put(2, action.isOFPATCOPYTTLIN());
 502         map.put(3, action.isOFPATSETMPLSTTL());
 503         map.put(4, action.isOFPATDECMPLSTTL());
 504         map.put(5, action.isOFPATPUSHVLAN());
 505         map.put(6, action.isOFPATPOPVLAN());
 506         map.put(7, action.isOFPATPUSHMPLS());
 507         map.put(8, action.isOFPATPOPMPLS());
 508         map.put(9, action.isOFPATSETQUEUE());
 509         map.put(10, action.isOFPATGROUP());
 510         map.put(11, action.isOFPATSETNWTTL());
 511         map.put(12, action.isOFPATDECNWTTL());
 512         map.put(13, action.isOFPATSETFIELD());
 513         map.put(14, action.isOFPATPUSHPBB());
 514         map.put(15, action.isOFPATPOPPBB());
 515         map.put(16, action.isOFPATEXPERIMENTER());
 516         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 517         outBuffer.writeInt(bitmap);
 518     }
 519
 520     private void writeGroupCapabilities(final GroupCapabilities capabilities, final ByteBuf outBuffer) {
 521         Map<Integer, Boolean> map = new HashMap<>();
 522         map.put(0, capabilities.isOFPGFCSELECTWEIGHT());
 523         map.put(1, capabilities.isOFPGFCSELECTLIVENESS());
 524         map.put(2, capabilities.isOFPGFCCHAINING());
 525         map.put(3, capabilities.isOFPGFCCHAININGCHECKS());
 526         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 527         outBuffer.writeInt(bitmap);
 528     }
 529
 530     private void writeGroupTypes(final GroupTypes types, final ByteBuf outBuffer) {
 531         Map<Integer, Boolean> map = new HashMap<>();
 532         map.put(0, types.isOFPGTALL());
 533         map.put(1, types.isOFPGTSELECT());
 534         map.put(2, types.isOFPGTINDIRECT());
 535         map.put(3, types.isOFPGTFF());
 536         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 537         outBuffer.writeInt(bitmap);
 538     }
 539
 540     private void serializeGroupDescBody(final MultipartReplyBody body, final ByteBuf outBuffer,
 541             final MultipartReplyMessage message) {
 542         MultipartReplyGroupDescCase groupDescCase = (MultipartReplyGroupDescCase) body;
 543         MultipartReplyGroupDesc group = groupDescCase.getMultipartReplyGroupDesc();
 544         for (GroupDesc groupDesc : group.getGroupDesc()) {
 545             ByteBuf groupDescBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
 546             groupDescBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
 547             groupDescBuff.writeByte(groupDesc.getType().getIntValue());
 548             groupDescBuff.writeZero(GROUP_DESC_PADDING);
 549             groupDescBuff.writeInt(groupDesc.getGroupId().getValue().intValue());
 550             for (BucketsList bucket : groupDesc.getBucketsList()) {
 551                 ByteBuf bucketBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
 552                 bucketBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
 553                 bucketBuff.writeShort(bucket.getWeight().toJava());
 554                 bucketBuff.writeInt(bucket.getWatchPort().getValue().intValue());
 555                 bucketBuff.writeInt(bucket.getWatchGroup().intValue());
 556                 bucketBuff.writeZero(BUCKET_PADDING);
 557                 ListSerializer.serializeList(bucket.getAction(),
 558                         TypeKeyMakerFactory.createActionKeyMaker(message.getVersion().toJava()), registry, bucketBuff);
 559                 bucketBuff.setShort(BUCKET_LENGTH_INDEX, bucketBuff.readableBytes());
 560                 groupDescBuff.writeBytes(bucketBuff);
 561             }
 562             groupDescBuff.setShort(GROUP_DESC_LENGTH_INDEX, groupDescBuff.readableBytes());
 563             outBuffer.writeBytes(groupDescBuff);
 564         }
 565     }
 566
 567     private void serializeGroupBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 568         MultipartReplyGroupCase groupCase = (MultipartReplyGroupCase) body;
 569         MultipartReplyGroup group = groupCase.getMultipartReplyGroup();
 570         for (GroupStats groupStats : group.getGroupStats()) {
 571             ByteBuf groupStatsBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
 572             groupStatsBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
 573             groupStatsBuff.writeZero(GROUP_STATS_PADDING_1);
 574             groupStatsBuff.writeInt(groupStats.getGroupId().getValue().intValue());
 575             groupStatsBuff.writeInt(groupStats.getRefCount().intValue());
 576             groupStatsBuff.writeZero(GROUP_STATS_PADDING_2);
 577             groupStatsBuff.writeLong(groupStats.getPacketCount().longValue());
 578             groupStatsBuff.writeLong(groupStats.getByteCount().longValue());
 579             groupStatsBuff.writeInt(groupStats.getDurationSec().intValue());
 580             groupStatsBuff.writeInt(groupStats.getDurationNsec().intValue());
 581             for (BucketStats bucketStats : groupStats.getBucketStats()) {
 582                 groupStatsBuff.writeLong(bucketStats.getPacketCount().longValue());
 583                 groupStatsBuff.writeLong(bucketStats.getByteCount().longValue());
 584             }
 585             groupStatsBuff.setShort(GROUP_STATS_LENGTH_INDEX, groupStatsBuff.readableBytes());
 586             outBuffer.writeBytes(groupStatsBuff);
 587         }
 588     }
 589
 590     private void serializeQueueBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 591         MultipartReplyQueueCase queueCase = (MultipartReplyQueueCase) body;
 592         MultipartReplyQueue queue = queueCase.getMultipartReplyQueue();
 593         for (QueueStats queueStats : queue.getQueueStats()) {
 594             outBuffer.writeInt(queueStats.getPortNo().intValue());
 595             outBuffer.writeInt(queueStats.getQueueId().intValue());
 596             outBuffer.writeLong(queueStats.getTxBytes().longValue());
 597             outBuffer.writeLong(queueStats.getTxPackets().longValue());
 598             outBuffer.writeLong(queueStats.getTxErrors().longValue());
 599             outBuffer.writeInt(queueStats.getDurationSec().intValue());
 600             outBuffer.writeInt(queueStats.getDurationNsec().intValue());
 601         }
 602     }
 603
 604     private void serializePortStatsBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 605         MultipartReplyPortStatsCase portStatsCase = (MultipartReplyPortStatsCase) body;
 606         MultipartReplyPortStats portStats = portStatsCase.getMultipartReplyPortStats();
 607         for (PortStats portStat : portStats.getPortStats()) {
 608             outBuffer.writeInt(portStat.getPortNo().intValue());
 609             outBuffer.writeZero(PORT_STATS_PADDING);
 610             outBuffer.writeLong(portStat.getRxPackets().longValue());
 611             outBuffer.writeLong(portStat.getTxPackets().longValue());
 612             outBuffer.writeLong(portStat.getRxBytes().longValue());
 613             outBuffer.writeLong(portStat.getTxBytes().longValue());
 614             outBuffer.writeLong(portStat.getRxDropped().longValue());
 615             outBuffer.writeLong(portStat.getTxDropped().longValue());
 616             outBuffer.writeLong(portStat.getRxErrors().longValue());
 617             outBuffer.writeLong(portStat.getTxErrors().longValue());
 618             outBuffer.writeLong(portStat.getRxFrameErr().longValue());
 619             outBuffer.writeLong(portStat.getRxOverErr().longValue());
 620             outBuffer.writeLong(portStat.getRxCrcErr().longValue());
 621             outBuffer.writeLong(portStat.getCollisions().longValue());
 622             outBuffer.writeInt(portStat.getDurationSec().intValue());
 623             outBuffer.writeInt(portStat.getDurationNsec().intValue());
 624         }
 625     }
 626
 627     private void serializeTableBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 628         MultipartReplyTableCase tableCase = (MultipartReplyTableCase) body;
 629         MultipartReplyTable table = tableCase.getMultipartReplyTable();
 630         for (TableStats tableStats : table.getTableStats()) {
 631             outBuffer.writeByte(tableStats.getTableId().toJava());
 632             outBuffer.writeZero(TABLE_PADDING);
 633             outBuffer.writeInt(tableStats.getActiveCount().intValue());
 634             outBuffer.writeLong(tableStats.getLookupCount().longValue());
 635             outBuffer.writeLong(tableStats.getMatchedCount().longValue());
 636         }
 637     }
 638
 639     private void serializeAggregateBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 640         MultipartReplyAggregateCase aggregateCase = (MultipartReplyAggregateCase) body;
 641         MultipartReplyAggregate aggregate = aggregateCase.getMultipartReplyAggregate();
 642         outBuffer.writeLong(aggregate.getPacketCount().longValue());
 643         outBuffer.writeLong(aggregate.getByteCount().longValue());
 644         outBuffer.writeInt(aggregate.getFlowCount().intValue());
 645         outBuffer.writeZero(AGGREGATE_PADDING);
 646     }
 647
 648     private void serializeFlowBody(final MultipartReplyBody body, final ByteBuf outBuffer,
 649             final MultipartReplyMessage message) {
 650         MultipartReplyFlowCase flowCase = (MultipartReplyFlowCase) body;
 651         MultipartReplyFlow flow = flowCase.getMultipartReplyFlow();
 652         for (FlowStats flowStats : flow.getFlowStats()) {
 653             ByteBuf flowStatsBuff = UnpooledByteBufAllocator.DEFAULT.buffer();
 654             flowStatsBuff.writeShort(EncodeConstants.EMPTY_LENGTH);
 655             flowStatsBuff.writeByte((byte)flowStats.getTableId().longValue());
 656             flowStatsBuff.writeZero(FLOW_STATS_PADDING_1);
 657             flowStatsBuff.writeInt(flowStats.getDurationSec().intValue());
 658             flowStatsBuff.writeInt(flowStats.getDurationNsec().intValue());
 659             flowStatsBuff.writeShort(flowStats.getPriority().toJava());
 660             flowStatsBuff.writeShort(flowStats.getIdleTimeout().toJava());
 661             flowStatsBuff.writeShort(flowStats.getHardTimeout().toJava());
 662             flowStatsBuff.writeZero(FLOW_STATS_PADDING_2);
 663             flowStatsBuff.writeLong(flowStats.getCookie().longValue());
 664             flowStatsBuff.writeLong(flowStats.getPacketCount().longValue());
 665             flowStatsBuff.writeLong(flowStats.getByteCount().longValue());
 666             OFSerializer<Match> matchSerializer = registry.getSerializer(
 667                     new MessageTypeKey<>(message.getVersion().toJava(), Match.class));
 668             matchSerializer.serialize(flowStats.getMatch(), flowStatsBuff);
 669             ListSerializer.serializeList(flowStats.getInstruction(),
 670                     TypeKeyMakerFactory.createInstructionKeyMaker(message.getVersion().toJava()), registry,
 671                     flowStatsBuff);
 672
 673             flowStatsBuff.setShort(FLOW_STATS_LENGTH_INDEX, flowStatsBuff.readableBytes());
 674             outBuffer.writeBytes(flowStatsBuff);
 675         }
 676     }
 677
 678     private void serializeDescBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 679         MultipartReplyDescCase descCase = (MultipartReplyDescCase) body;
 680         MultipartReplyDesc desc = descCase.getMultipartReplyDesc();
 681         write256String(desc.getMfrDesc(), outBuffer);
 682         write256String(desc.getHwDesc(), outBuffer);
 683         write256String(desc.getSwDesc(), outBuffer);
 684         write32String(desc.getSerialNum(), outBuffer);
 685         write256String(desc.getDpDesc(), outBuffer);
 686     }
 687
 688     private void write256String(final String toWrite, final ByteBuf outBuffer) {
 689         byte[] nameBytes = toWrite.getBytes(StandardCharsets.UTF_8);
 690         if (nameBytes.length < 256) {
 691             byte[] nameBytesPadding = new byte[256];
 692             int index = 0;
 693             for (byte b : nameBytes) {
 694                 nameBytesPadding[index] = b;
 695                 index++;
 696             }
 697             for (; index < 256; index++) {
 698                 nameBytesPadding[index] = 0x0;
 699             }
 700             outBuffer.writeBytes(nameBytesPadding);
 701         } else {
 702             outBuffer.writeBytes(nameBytes);
 703         }
 704     }
 705
 706     private void write32String(final String toWrite, final ByteBuf outBuffer) {
 707         byte[] nameBytes = toWrite.getBytes(StandardCharsets.UTF_8);
 708         if (nameBytes.length < 32) {
 709             byte[] nameBytesPadding = new byte[32];
 710             int index = 0;
 711             for (byte b : nameBytes) {
 712                 nameBytesPadding[index] = b;
 713                 index++;
 714             }
 715             for (; index < 32; index++) {
 716                 nameBytesPadding[index] = 0x0;
 717             }
 718             outBuffer.writeBytes(nameBytesPadding);
 719         } else {
 720             outBuffer.writeBytes(nameBytes);
 721         }
 722     }
 723
 724     private void serializePortDescBody(final MultipartReplyBody body, final ByteBuf outBuffer) {
 725         MultipartReplyPortDescCase portCase = (MultipartReplyPortDescCase) body;
 726         MultipartReplyPortDesc portDesc = portCase.getMultipartReplyPortDesc();
 727         for (Ports port : portDesc.getPorts()) {
 728             outBuffer.writeInt(port.getPortNo().intValue()); // Assuming PortNo
 729                                                              // = PortId
 730             outBuffer.writeZero(PORT_DESC_PADDING_1);
 731             outBuffer.writeBytes(IetfYangUtil.INSTANCE.macAddressBytes(port.getHwAddr()));
 732             outBuffer.writeZero(PORT_DESC_PADDING_2);
 733             writeName(port.getName(), outBuffer);
 734             writePortConfig(port.getConfig(), outBuffer);
 735             writePortState(port.getState(), outBuffer);
 736             writePortFeatures(port.getCurrentFeatures(), outBuffer);
 737             writePortFeatures(port.getAdvertisedFeatures(), outBuffer);
 738             writePortFeatures(port.getSupportedFeatures(), outBuffer);
 739             writePortFeatures(port.getPeerFeatures(), outBuffer);
 740             outBuffer.writeInt(port.getCurrSpeed().intValue());
 741             outBuffer.writeInt(port.getMaxSpeed().intValue());
 742         }
 743     }
 744
 745     private void writeName(final String name, final ByteBuf outBuffer) {
 746         byte[] nameBytes = name.getBytes(StandardCharsets.UTF_8);
 747         if (nameBytes.length < 16) {
 748             byte[] nameBytesPadding = new byte[16];
 749             int index = 0;
 750             for (byte b : nameBytes) {
 751                 nameBytesPadding[index] = b;
 752                 index++;
 753             }
 754             for (; index < 16; index++) {
 755                 nameBytesPadding[index] = 0x0;
 756             }
 757             outBuffer.writeBytes(nameBytesPadding);
 758         } else {
 759             outBuffer.writeBytes(nameBytes);
 760         }
 761
 762     }
 763
 764     private void writePortConfig(final PortConfig config, final ByteBuf outBuffer) {
 765         Map<Integer, Boolean> map = new HashMap<>();
 766         map.put(0, config.isPortDown());
 767         map.put(2, config.isNoRecv());
 768         map.put(5, config.isNoFwd());
 769         map.put(6, config.isNoPacketIn());
 770         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 771         outBuffer.writeInt(bitmap);
 772     }
 773
 774     private void writePortState(final PortState state, final ByteBuf outBuffer) {
 775         Map<Integer, Boolean> map = new HashMap<>();
 776         map.put(0, state.isLinkDown());
 777         map.put(1, state.isBlocked());
 778         map.put(2, state.isLive());
 779         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 780         outBuffer.writeInt(bitmap);
 781     }
 782
 783     private void writePortFeatures(final PortFeatures features, final ByteBuf outBuffer) {
 784         Map<Integer, Boolean> map = new HashMap<>();
 785         map.put(0, features.is_10mbHd());
 786         map.put(1, features.is_10mbFd());
 787         map.put(2, features.is_100mbHd());
 788         map.put(3, features.is_100mbFd());
 789         map.put(4, features.is_1gbHd());
 790         map.put(5, features.is_1gbFd());
 791         map.put(6, features.is_10gbFd());
 792         map.put(7, features.is_40gbFd());
 793         map.put(8, features.is_100gbFd());
 794         map.put(9, features.is_1tbFd());
 795         map.put(10, features.isOther());
 796         map.put(11, features.isCopper());
 797         map.put(12, features.isFiber());
 798         map.put(13, features.isAutoneg());
 799         map.put(14, features.isPause());
 800         map.put(15, features.isPauseAsym());
 801         int bitmap = ByteBufUtils.fillBitMaskFromMap(map);
 802         outBuffer.writeInt(bitmap);
 803     }
 804 }