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

   1 /*
   2  * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.openflowjava.protocol.impl.serialization.factories;
  10
  11 import io.netty.buffer.ByteBuf;
  12
  13 import java.util.HashMap;
  14 import java.util.List;
  15 import java.util.Map;
  16
  17 import org.opendaylight.openflowjava.protocol.api.extensibility.EnhancedMessageTypeKey;
  18 import org.opendaylight.openflowjava.protocol.api.extensibility.HeaderSerializer;
  19 import org.opendaylight.openflowjava.protocol.api.extensibility.MessageTypeKey;
  20 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  21 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistryInjector;
  22 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
  23 import org.opendaylight.openflowjava.protocol.impl.util.ByteBufUtils;
  24 import org.opendaylight.openflowjava.protocol.impl.util.CodingUtils;
  25 import org.opendaylight.openflowjava.protocol.impl.util.EncodeConstants;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ActionRelatedTableFeatureProperty;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ExperimenterRelatedTableFeatureProperty;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.InstructionRelatedTableFeatureProperty;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.NextTableRelatedTableFeatureProperty;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OxmRelatedTableFeatureProperty;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.table.features.properties.container.table.feature.properties.NextTableIds;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.grouping.Action;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.Experimenter;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.Instruction;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartRequestFlags;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.TableConfig;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.TableFeaturesPropType;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.match.grouping.Match;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.grouping.MatchEntries;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartRequestInput;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.MultipartRequestBody;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestAggregateCase;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestDescCase;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestFlowCase;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestGroupCase;
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestGroupDescCase;
  47 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestGroupFeaturesCase;
  48 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestMeterCase;
  49 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestMeterConfigCase;
  50 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestMeterFeaturesCase;
  51 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestPortDescCase;
  52 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestPortStatsCase;
  53 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestQueueCase;
  54 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestTableCase;
  55 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestTableFeaturesCase;
  56 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.aggregate._case.MultipartRequestAggregate;
  57 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.flow._case.MultipartRequestFlow;
  58 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.group._case.MultipartRequestGroup;
  59 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.meter._case.MultipartRequestMeter;
  60 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.meter.config._case.MultipartRequestMeterConfig;
  61 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.port.stats._case.MultipartRequestPortStats;
  62 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.queue._case.MultipartRequestQueue;
  63 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.table.features._case.MultipartRequestTableFeatures;
  64 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.table.features._case.multipart.request.table.features.TableFeatures;
  65 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.table.features.properties.grouping.TableFeatureProperties;
  66
  67 /**
  68  * Translates MultipartRequest messages
  69  * @author timotej.kubas
  70  * @author michal.polkorab
  71  */
  72 public class MultipartRequestInputFactory implements OFSerializer<MultipartRequestInput>, SerializerRegistryInjector {
  73     private static final byte MESSAGE_TYPE = 18;
  74     private static final byte PADDING_IN_MULTIPART_REQUEST_MESSAGE = 4;
  75     private static final byte TABLE_FEAT_HEADER_LENGTH = 4;
  76     private static final byte INSTRUCTIONS_CODE = 0;
  77     private static final byte INSTRUCTIONS_MISS_CODE = 1;
  78     private static final byte NEXT_TABLE_CODE = 2;
  79     private static final byte NEXT_TABLE_MISS_CODE = 3;
  80     private static final byte WRITE_ACTIONS_CODE = 4;
  81     private static final byte WRITE_ACTIONS_MISS_CODE = 5;
  82     private static final byte APPLY_ACTIONS_CODE = 6;
  83     private static final byte APPLY_ACTIONS_MISS_CODE = 7;
  84     private static final byte MATCH_CODE = 8;
  85     private static final byte WILDCARDS_CODE = 10;
  86     private static final byte WRITE_SETFIELD_CODE = 12;
  87     private static final byte WRITE_SETFIELD_MISS_CODE = 13;
  88     private static final byte APPLY_SETFIELD_CODE = 14;
  89     private static final byte APPLY_SETFIELD_MISS_CODE = 15;
  90     private static final int EXPERIMENTER_CODE = 65534; // 0xFFFE
  91     private static final int EXPERIMENTER_MISS_CODE = 65535; // 0xFFFF
  92     private static final byte STRUCTURE_HEADER_LENGTH = 4;
  93     private static final byte PADDING_IN_MULTIPART_REQUEST_FLOW_BODY_01 = 3;
  94     private static final byte PADDING_IN_MULTIPART_REQUEST_FLOW_BODY_02 = 4;
  95     private static final byte PADDING_IN_MULTIPART_REQUEST_AGREGGATE_BODY_01 = 3;
  96     private static final byte PADDING_IN_MULTIPART_REQUEST_AGREGGATE_BODY_02 = 4;
  97     private static final byte PADDING_IN_MULTIPART_REQUEST_PORTSTATS_BODY = 4;
  98     private static final byte PADDING_IN_MULTIPART_REQUEST_GROUP_BODY = 4;
  99     private static final byte PADDING_IN_MULTIPART_REQUEST_METER_BODY = 4;
 100     private static final byte PADDING_IN_MULTIPART_REQUEST_METER_CONFIG_BODY = 4;
 101     private static final byte PADDING_IN_MULTIPART_REQUEST_TABLE_FEATURES_BODY = 5;
 102     private SerializerRegistry registry;
 103
 104     @Override
 105     public void serialize(MultipartRequestInput message, ByteBuf outBuffer) {
 106         ByteBufUtils.writeOFHeader(MESSAGE_TYPE, message, outBuffer, EncodeConstants.EMPTY_LENGTH);
 107         outBuffer.writeShort(message.getType().getIntValue());
 108         outBuffer.writeShort(createMultipartRequestFlagsBitmask(message.getFlags()));
 109         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_MESSAGE, outBuffer);
 110
 111         if (message.getMultipartRequestBody() instanceof MultipartRequestDescCase){
 112             serializeDescBody(message.getMultipartRequestBody(), outBuffer);
 113         } else if (message.getMultipartRequestBody() instanceof MultipartRequestFlowCase) {
 114             serializeFlowBody(message.getMultipartRequestBody(), outBuffer);
 115         } else if (message.getMultipartRequestBody() instanceof MultipartRequestAggregateCase) {
 116             serializeAggregateBody(message.getMultipartRequestBody(), outBuffer);
 117         } else if (message.getMultipartRequestBody() instanceof MultipartRequestTableCase) {
 118             serializeTableBody(message.getMultipartRequestBody(), outBuffer);
 119         } else if (message.getMultipartRequestBody() instanceof MultipartRequestPortStatsCase) {
 120             serializePortStatsBody(message.getMultipartRequestBody(), outBuffer);
 121         } else if (message.getMultipartRequestBody() instanceof MultipartRequestQueueCase) {
 122             serializeQueueBody(message.getMultipartRequestBody(), outBuffer);
 123         } else if (message.getMultipartRequestBody() instanceof MultipartRequestGroupCase) {
 124             serializeeGroupStatsBody(message.getMultipartRequestBody(), outBuffer);
 125         } else if (message.getMultipartRequestBody() instanceof MultipartRequestGroupDescCase) {
 126             serializeGroupDescBody(message.getMultipartRequestBody(), outBuffer);
 127         } else if (message.getMultipartRequestBody() instanceof MultipartRequestGroupFeaturesCase) {
 128             serializeGroupFeaturesBody(message.getMultipartRequestBody(), outBuffer);
 129         } else if (message.getMultipartRequestBody() instanceof MultipartRequestMeterCase) {
 130             serializeMeterBody(message.getMultipartRequestBody(), outBuffer);
 131         } else if (message.getMultipartRequestBody() instanceof MultipartRequestMeterConfigCase) {
 132             serializeMeterConfigBody(message.getMultipartRequestBody(), outBuffer);
 133         } else if (message.getMultipartRequestBody() instanceof MultipartRequestMeterFeaturesCase) {
 134             serializeMeterFeaturesBody(message.getMultipartRequestBody(), outBuffer);
 135         } else if (message.getMultipartRequestBody() instanceof MultipartRequestTableFeaturesCase) {
 136             serializeTableFeaturesBody(message.getMultipartRequestBody(), outBuffer);
 137         } else if (message.getMultipartRequestBody() instanceof MultipartRequestPortDescCase) {
 138             serializePortDescBody(message.getMultipartRequestBody(), outBuffer);
 139         }
 140         ByteBufUtils.updateOFHeaderLength(outBuffer);
 141     }
 142
 143     private static int createMultipartRequestFlagsBitmask(MultipartRequestFlags flags) {
 144         int multipartRequestFlagsBitmask = 0;
 145         Map<Integer, Boolean> multipartRequestFlagsMap = new HashMap<>();
 146         multipartRequestFlagsMap.put(0, flags.isOFPMPFREQMORE());
 147
 148         multipartRequestFlagsBitmask = ByteBufUtils.fillBitMaskFromMap(multipartRequestFlagsMap);
 149         return multipartRequestFlagsBitmask;
 150     }
 151
 152     /**
 153      * @param multipartRequestBody
 154      * @param output
 155      */
 156     private void serializeDescBody(MultipartRequestBody multipartRequestBody,
 157             ByteBuf output) {
 158         // The body of MultiPartRequestDesc is empty
 159     }
 160
 161     /**
 162      * @param multipartRequestBody
 163      * @param out
 164      */
 165     private void serializeTableBody(MultipartRequestBody multipartRequestBody,
 166             ByteBuf out) {
 167      // The body of MultiPartTable is empty
 168     }
 169
 170     /**
 171      * @param multipartRequestBody
 172      * @param out
 173      */
 174     private void serializeGroupDescBody(MultipartRequestBody multipartRequestBody,
 175             ByteBuf out) {
 176      // The body of MultiPartRequestGroupDesc is empty
 177     }
 178
 179     /**
 180      * @param multipartRequestBody
 181      * @param out
 182      */
 183     private void serializeGroupFeaturesBody(
 184             MultipartRequestBody multipartRequestBody, ByteBuf out) {
 185      // The body of MultiPartRequestGroupFeatures is empty
 186     }
 187
 188     /**
 189      * @param multipartRequestBody
 190      * @param out
 191      */
 192     private void serializeMeterFeaturesBody(
 193             MultipartRequestBody multipartRequestBody, ByteBuf out) {
 194      // The body of MultiPartMeterFeatures is empty
 195     }
 196
 197     /**
 198      * @param multipartRequestBody
 199      * @param out
 200      */
 201     private void serializePortDescBody(MultipartRequestBody multipartRequestBody,
 202             ByteBuf out) {
 203      // The body of MultiPartPortDesc is empty
 204     }
 205
 206     private void serializeFlowBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
 207         MultipartRequestFlowCase flowCase = (MultipartRequestFlowCase) multipartRequestBody;
 208         MultipartRequestFlow flow = flowCase.getMultipartRequestFlow();
 209         output.writeByte(flow.getTableId().byteValue());
 210         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_FLOW_BODY_01, output);
 211         output.writeInt(flow.getOutPort().intValue());
 212         output.writeInt(flow.getOutGroup().intValue());
 213         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_FLOW_BODY_02, output);
 214         output.writeLong(flow.getCookie().longValue());
 215         output.writeLong(flow.getCookieMask().longValue());
 216         OFSerializer<Match> serializer = registry.getSerializer(new MessageTypeKey<>(
 217                 EncodeConstants.OF13_VERSION_ID, Match.class));
 218         serializer.serialize(flow.getMatch(), output);
 219     }
 220
 221     private void serializeAggregateBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
 222         MultipartRequestAggregateCase aggregateCase = (MultipartRequestAggregateCase) multipartRequestBody;
 223         MultipartRequestAggregate aggregate = aggregateCase.getMultipartRequestAggregate();
 224         output.writeByte(aggregate.getTableId().byteValue());
 225         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_AGREGGATE_BODY_01, output);
 226         output.writeInt(aggregate.getOutPort().intValue());
 227         output.writeInt(aggregate.getOutGroup().intValue());
 228         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_AGREGGATE_BODY_02, output);
 229         output.writeLong(aggregate.getCookie().longValue());
 230         output.writeLong(aggregate.getCookieMask().longValue());
 231         OFSerializer<Match> serializer = registry.getSerializer(new MessageTypeKey<>(
 232                 EncodeConstants.OF13_VERSION_ID, Match.class));
 233         serializer.serialize(aggregate.getMatch(), output);
 234     }
 235
 236     private static void serializePortStatsBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
 237         MultipartRequestPortStatsCase portstatsCase = (MultipartRequestPortStatsCase) multipartRequestBody;
 238         MultipartRequestPortStats portstats = portstatsCase.getMultipartRequestPortStats();
 239         output.writeInt(portstats.getPortNo().intValue());
 240         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_PORTSTATS_BODY, output);
 241     }
 242
 243     private static void serializeQueueBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
 244         MultipartRequestQueueCase queueCase = (MultipartRequestQueueCase) multipartRequestBody;
 245         MultipartRequestQueue queue = queueCase.getMultipartRequestQueue();
 246         output.writeInt(queue.getPortNo().intValue());
 247         output.writeInt(queue.getQueueId().intValue());
 248     }
 249
 250     private static void serializeeGroupStatsBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
 251         MultipartRequestGroupCase groupStatsCase = (MultipartRequestGroupCase) multipartRequestBody;
 252         MultipartRequestGroup groupStats = groupStatsCase.getMultipartRequestGroup();
 253         output.writeInt(groupStats.getGroupId().getValue().intValue());
 254         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_GROUP_BODY, output);
 255     }
 256
 257     private static void serializeMeterBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
 258         MultipartRequestMeterCase meterCase = (MultipartRequestMeterCase) multipartRequestBody;
 259         MultipartRequestMeter meter = meterCase.getMultipartRequestMeter();
 260         output.writeInt(meter.getMeterId().getValue().intValue());
 261         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_METER_BODY, output);
 262     }
 263
 264     private static void serializeMeterConfigBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
 265         MultipartRequestMeterConfigCase meterConfigCase = (MultipartRequestMeterConfigCase) multipartRequestBody;
 266         MultipartRequestMeterConfig meterConfig = meterConfigCase.getMultipartRequestMeterConfig();
 267         output.writeInt(meterConfig.getMeterId().getValue().intValue());
 268         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_METER_CONFIG_BODY, output);
 269     }
 270
 271     private void serializeTableFeaturesBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {
 272         if (multipartRequestBody != null) {
 273             MultipartRequestTableFeaturesCase tableFeaturesCase = (MultipartRequestTableFeaturesCase) multipartRequestBody;
 274             MultipartRequestTableFeatures tableFeatures = tableFeaturesCase.getMultipartRequestTableFeatures();
 275             if(tableFeatures.getTableFeatures() != null) {
 276                 for (TableFeatures currTableFeature : tableFeatures.getTableFeatures()) {
 277                     int tableFeatureLengthIndex = output.writerIndex();
 278                     output.writeShort(EncodeConstants.EMPTY_LENGTH);
 279                     output.writeByte(currTableFeature.getTableId());
 280                     ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_TABLE_FEATURES_BODY, output);
 281                     output.writeBytes(currTableFeature.getName().getBytes());
 282                     ByteBufUtils.padBuffer((32 - currTableFeature.getName().getBytes().length), output);
 283                     output.writeLong(currTableFeature.getMetadataMatch().longValue());
 284                     output.writeLong(currTableFeature.getMetadataWrite().longValue());
 285                     output.writeInt(createTableConfigBitmask(currTableFeature.getConfig()));
 286                     output.writeInt(currTableFeature.getMaxEntries().intValue());
 287                     writeTableFeatureProperties(output, currTableFeature.getTableFeatureProperties());
 288                     output.setShort(tableFeatureLengthIndex, output.writerIndex() - tableFeatureLengthIndex);
 289                 }
 290             }
 291         }
 292     }
 293
 294     private void writeTableFeatureProperties(ByteBuf output, List<TableFeatureProperties> props) {
 295         if (props != null) {
 296             for (TableFeatureProperties property : props) {
 297                 TableFeaturesPropType type = property.getType();
 298                 if (type.equals(TableFeaturesPropType.OFPTFPTINSTRUCTIONS)) {
 299                     writeInstructionRelatedTableProperty(output, property, INSTRUCTIONS_CODE);
 300                 } else if (type.equals(TableFeaturesPropType.OFPTFPTINSTRUCTIONSMISS)) {
 301                     writeInstructionRelatedTableProperty(output, property, INSTRUCTIONS_MISS_CODE);
 302                 } else if (type.equals(TableFeaturesPropType.OFPTFPTNEXTTABLES)) {
 303                     writeNextTableRelatedTableProperty(output, property, NEXT_TABLE_CODE);
 304                 } else if (type.equals(TableFeaturesPropType.OFPTFPTNEXTTABLESMISS)) {
 305                     writeNextTableRelatedTableProperty(output, property, NEXT_TABLE_MISS_CODE);
 306                 } else if (type.equals(TableFeaturesPropType.OFPTFPTWRITEACTIONS)) {
 307                     writeActionsRelatedTableProperty(output, property, WRITE_ACTIONS_CODE);
 308                 } else if (type.equals(TableFeaturesPropType.OFPTFPTWRITEACTIONSMISS)) {
 309                     writeActionsRelatedTableProperty(output, property, WRITE_ACTIONS_MISS_CODE);
 310                 } else if (type.equals(TableFeaturesPropType.OFPTFPTAPPLYACTIONS)) {
 311                     writeActionsRelatedTableProperty(output, property, APPLY_ACTIONS_CODE);
 312                 } else if (type.equals(TableFeaturesPropType.OFPTFPTAPPLYACTIONSMISS)) {
 313                     writeActionsRelatedTableProperty(output, property, APPLY_ACTIONS_MISS_CODE);
 314                 } else if (type.equals(TableFeaturesPropType.OFPTFPTMATCH)) {
 315                     writeOxmRelatedTableProperty(output, property, MATCH_CODE);
 316                 } else if (type.equals(TableFeaturesPropType.OFPTFPTWILDCARDS)) {
 317                     writeOxmRelatedTableProperty(output, property, WILDCARDS_CODE);
 318                 } else if (type.equals(TableFeaturesPropType.OFPTFPTWRITESETFIELD)) {
 319                     writeOxmRelatedTableProperty(output, property, WRITE_SETFIELD_CODE);
 320                 } else if (type.equals(TableFeaturesPropType.OFPTFPTWRITESETFIELDMISS)) {
 321                     writeOxmRelatedTableProperty(output, property, WRITE_SETFIELD_MISS_CODE);
 322                 } else if (type.equals(TableFeaturesPropType.OFPTFPTAPPLYSETFIELD)) {
 323                     writeOxmRelatedTableProperty(output, property, APPLY_SETFIELD_CODE);
 324                 } else if (type.equals(TableFeaturesPropType.OFPTFPTAPPLYSETFIELDMISS)) {
 325                     writeOxmRelatedTableProperty(output, property, APPLY_SETFIELD_MISS_CODE);
 326                 } else if (type.equals(TableFeaturesPropType.OFPTFPTEXPERIMENTER)) {
 327                     writeExperimenterRelatedTableProperty(output, property, EXPERIMENTER_CODE);
 328                 } else if (type.equals(TableFeaturesPropType.OFPTFPTEXPERIMENTERMISS)) {
 329                     writeExperimenterRelatedTableProperty(output, property, EXPERIMENTER_MISS_CODE);
 330                 }
 331             }
 332         }
 333     }
 334
 335     private void writeInstructionRelatedTableProperty(ByteBuf output,
 336             TableFeatureProperties property, byte code) {
 337         output.writeShort(code);
 338         List<Instruction> instructions = property.
 339                 getAugmentation(InstructionRelatedTableFeatureProperty.class).getInstruction();
 340         int length = TABLE_FEAT_HEADER_LENGTH;
 341         int padding = 0;
 342         if (instructions != null) {
 343             for (Instruction instruction : instructions) {
 344                 if (instruction.getType().isAssignableFrom(Experimenter.class)) {
 345                     length += EncodeConstants.EXPERIMENTER_IDS_LENGTH;
 346                 } else {
 347                     length += STRUCTURE_HEADER_LENGTH;
 348                 }
 349             }
 350             padding = paddingNeeded(length);
 351             output.writeShort(length);
 352             HeaderSerializer<Instruction> instructionSerializer = registry.getSerializer(
 353                     new MessageTypeKey<>(EncodeConstants.OF13_VERSION_ID, Instruction.class));
 354             CodingUtils.serializeHeaders(instructions, instructionSerializer, output);
 355         } else {
 356             padding = paddingNeeded(length);
 357             output.writeShort(length);
 358         }
 359         ByteBufUtils.padBuffer(padding, output);
 360     }
 361
 362     private static void writeNextTableRelatedTableProperty(ByteBuf output,
 363             TableFeatureProperties property, byte code) {
 364         output.writeShort(code);
 365         List<NextTableIds> nextTableIds = property.
 366                 getAugmentation(NextTableRelatedTableFeatureProperty.class).getNextTableIds();
 367         int length = TABLE_FEAT_HEADER_LENGTH;
 368         int padding = 0;
 369         if (nextTableIds != null) {
 370             length += nextTableIds.size();
 371             padding = paddingNeeded(length);
 372             output.writeShort(length);
 373             for (NextTableIds next : nextTableIds) {
 374                 output.writeByte(next.getTableId());
 375             }
 376         } else {
 377             padding = paddingNeeded(length);
 378             output.writeShort(length + padding);
 379         }
 380         ByteBufUtils.padBuffer(padding, output);
 381     }
 382
 383     private static int paddingNeeded(int length) {
 384         int paddingRemainder = length % EncodeConstants.PADDING;
 385         int result = 0;
 386         if (paddingRemainder != 0) {
 387             result = EncodeConstants.PADDING - paddingRemainder;
 388         }
 389         return result;
 390     }
 391
 392     private void writeActionsRelatedTableProperty(ByteBuf output,
 393             TableFeatureProperties property, byte code) {
 394         output.writeShort(code);
 395         List<Action> actions = property.
 396                 getAugmentation(ActionRelatedTableFeatureProperty.class).getAction();
 397         int length = TABLE_FEAT_HEADER_LENGTH;
 398         int padding = 0;
 399         if (actions != null) {
 400             for (Action action : actions) {
 401                 if (action.getType().isAssignableFrom(Experimenter.class)) {
 402                     length += EncodeConstants.EXPERIMENTER_IDS_LENGTH;
 403                 } else {
 404                     length += STRUCTURE_HEADER_LENGTH;
 405                 }
 406             }
 407             length += actions.size() * STRUCTURE_HEADER_LENGTH;
 408             padding += paddingNeeded(length);
 409             output.writeShort(length);
 410             HeaderSerializer<Action> actionSerializer = registry.getSerializer(
 411                     new MessageTypeKey<>(EncodeConstants.OF13_VERSION_ID, Action.class));
 412             CodingUtils.serializeHeaders(actions, actionSerializer, output);
 413         } else {
 414             padding = paddingNeeded(length);
 415             output.writeShort(length);
 416         }
 417         ByteBufUtils.padBuffer(padding, output);
 418     }
 419
 420     private void writeOxmRelatedTableProperty(ByteBuf output,
 421             TableFeatureProperties property, byte code) {
 422         output.writeShort(code);
 423         List<MatchEntries> entries = property.
 424                 getAugmentation(OxmRelatedTableFeatureProperty.class).getMatchEntries();
 425         int length = TABLE_FEAT_HEADER_LENGTH;
 426         int padding = 0;
 427         if (entries != null) {
 428             // experimenter length / definition ?
 429             length += entries.size() * STRUCTURE_HEADER_LENGTH;
 430             padding = paddingNeeded(length);
 431             output.writeShort(length);
 432
 433             for (MatchEntries entry : entries) {
 434                 HeaderSerializer<MatchEntries> entrySerializer = registry.getSerializer(
 435                         new EnhancedMessageTypeKey<>(EncodeConstants.OF13_VERSION_ID,
 436                                 entry.getOxmClass(), entry.getOxmMatchField()));
 437                 entrySerializer.serializeHeader(entry, output);
 438             }
 439         } else {
 440             padding = paddingNeeded(length);
 441             output.writeShort(length);
 442         }
 443         ByteBufUtils.padBuffer(padding, output);
 444     }
 445
 446     private static void writeExperimenterRelatedTableProperty(ByteBuf output,
 447             TableFeatureProperties property, int code) {
 448         output.writeShort(code);
 449         ExperimenterRelatedTableFeatureProperty exp = property.
 450                 getAugmentation(ExperimenterRelatedTableFeatureProperty.class);
 451         byte[] data = exp.getData();
 452         int length = TABLE_FEAT_HEADER_LENGTH + 2 * (EncodeConstants.SIZE_OF_INT_IN_BYTES);
 453         int padding = 0;
 454         if (data != null) {
 455             output.writeShort(length + data.length);
 456             padding = paddingNeeded(length + data.length);
 457             output.writeInt(exp.getExperimenter().intValue());
 458             output.writeInt(exp.getExpType().intValue());
 459             output.writeBytes(data);
 460         } else {
 461             output.writeShort(length);
 462             padding = paddingNeeded(length);
 463             output.writeInt(exp.getExperimenter().intValue());
 464             output.writeInt(exp.getExpType().intValue());
 465         }
 466         ByteBufUtils.padBuffer(padding, output);
 467     }
 468
 469     private static int createTableConfigBitmask(TableConfig tableConfig) {
 470         int tableConfigBitmask = 0;
 471         Map<Integer, Boolean> tableConfigMap = new HashMap<>();
 472         tableConfigMap.put(3, tableConfig.isOFPTCDEPRECATEDMASK());
 473
 474         tableConfigBitmask = ByteBufUtils.fillBitMaskFromMap(tableConfigMap);
 475         return tableConfigBitmask;
 476     }
 477
 478     @Override
 479     public void injectSerializerRegistry(SerializerRegistry serializerRegistry) {
 480         this.registry = serializerRegistry;
 481     }
 482 }