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