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

   1 /* Copyright (C)2013 Pantheon Technologies, s.r.o. All rights reserved. */\r
   2 package org.opendaylight.openflowjava.protocol.impl.serialization.factories;\r
   3 \r
   4 import io.netty.buffer.ByteBuf;\r
   5 \r
   6 import java.util.HashMap;\r
   7 import java.util.List;\r
   8 import java.util.Map;\r
   9 \r
  10 import org.opendaylight.openflowjava.protocol.impl.serialization.OFSerializer;\r
  11 import org.opendaylight.openflowjava.protocol.impl.util.ActionsSerializer;\r
  12 import org.opendaylight.openflowjava.protocol.impl.util.ByteBufUtils;\r
  13 import org.opendaylight.openflowjava.protocol.impl.util.InstructionsSerializer;\r
  14 import org.opendaylight.openflowjava.protocol.impl.util.MatchSerializer;\r
  15 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ActionRelatedTableFeatureProperty;\r
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.ExperimenterRelatedTableFeatureProperty;\r
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.InstructionRelatedTableFeatureProperty;\r
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.NextTableRelatedTableFeatureProperty;\r
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.OxmRelatedTableFeatureProperty;\r
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.augments.rev131002.table.features.properties.container.table.feature.properties.NextTableIds;\r
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.action.rev130731.actions.ActionsList;\r
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.Instructions;\r
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartRequestFlags;\r
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.MultipartType;\r
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.TableConfig;\r
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.types.rev130731.TableFeaturesPropType;\r
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev130731.oxm.fields.MatchEntries;\r
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartRequestInput;\r
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.MultipartRequestBody;\r
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestAggregate;\r
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestDesc;\r
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestExperimenter;\r
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestFlow;\r
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestGroup;\r
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestGroupDesc;\r
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestGroupFeatures;\r
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestMeter;\r
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestMeterConfig;\r
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestMeterFeatures;\r
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestPortDesc;\r
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestPortStats;\r
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestQueue;\r
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestTable;\r
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.MultipartRequestTableFeatures;\r
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.multipart.request.multipart.request.body.multipart.request.table.features.TableFeatures;\r
  46 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.table.features.properties.TableFeatureProperties;\r
  47 \r
  48 /**\r
  49  * Translates MultipartRequest messages\r
  50  * @author timotej.kubas\r
  51  * @author michal.polkorab\r
  52  */\r
  53 public class MultipartRequestInputFactory implements OFSerializer<MultipartRequestInput> {\r
  54     private static final byte MESSAGE_TYPE = 18;\r
  55     private static final int MESSAGE_LENGTH = 16;\r
  56     private static final byte PADDING_IN_MULTIPART_REQUEST_MESSAGE = 4;\r
  57     private static final byte TABLE_FEAT_HEADER_LENGTH = 4;\r
  58     private static MultipartRequestInputFactory instance;\r
  59 \r
  60     private MultipartRequestInputFactory() {\r
  61         // singleton\r
  62     }\r
  63 \r
  64     /**\r
  65      * @return singleton factory\r
  66      */\r
  67     public static synchronized MultipartRequestInputFactory getInstance() {\r
  68         if (instance == null) {\r
  69             instance = new MultipartRequestInputFactory();\r
  70         }\r
  71         return instance;\r
  72     }\r
  73 \r
  74     @Override\r
  75     public void messageToBuffer(short version, ByteBuf out,\r
  76             MultipartRequestInput message) {\r
  77         ByteBufUtils.writeOFHeader(instance, message, out);\r
  78         out.writeShort(message.getType().getIntValue());\r
  79         out.writeShort(createMultipartRequestFlagsBitmask(message.getFlags()));\r
  80         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_MESSAGE, out);\r
  81 \r
  82         if (message.getMultipartRequestBody() instanceof MultipartRequestDesc ){\r
  83             encodeDescBody(message.getMultipartRequestBody(), out);\r
  84         } else if (message.getMultipartRequestBody() instanceof MultipartRequestFlow) {\r
  85             encodeFlowBody(message.getMultipartRequestBody(), out);\r
  86         } else if (message.getMultipartRequestBody() instanceof MultipartRequestAggregate) {\r
  87             encodeAggregateBody(message.getMultipartRequestBody(), out);\r
  88         } else if (message.getMultipartRequestBody() instanceof MultipartRequestTable) {\r
  89             encodeTableBody(message.getMultipartRequestBody(), out);\r
  90         } else if (message.getMultipartRequestBody() instanceof MultipartRequestPortStats) {\r
  91             encodePortStatsBody(message.getMultipartRequestBody(), out);\r
  92         } else if (message.getMultipartRequestBody() instanceof MultipartRequestQueue) {\r
  93             encodeQueueBody(message.getMultipartRequestBody(), out);\r
  94         } else if (message.getMultipartRequestBody() instanceof MultipartRequestGroup) {\r
  95             encodeGroupStatsBody(message.getMultipartRequestBody(), out);\r
  96         } else if (message.getMultipartRequestBody() instanceof MultipartRequestGroupDesc) {\r
  97             encodeGroupDescBody(message.getMultipartRequestBody(), out);\r
  98         } else if (message.getMultipartRequestBody() instanceof MultipartRequestGroupFeatures) {\r
  99             encodeGroupFeaturesBody(message.getMultipartRequestBody(), out);\r
 100         } else if (message.getMultipartRequestBody() instanceof MultipartRequestMeter) {\r
 101             encodeMeterBody(message.getMultipartRequestBody(), out);\r
 102         } else if (message.getMultipartRequestBody() instanceof MultipartRequestMeterConfig) {\r
 103             encodeMeterConfigBody(message.getMultipartRequestBody(), out);\r
 104         } else if (message.getMultipartRequestBody() instanceof MultipartRequestMeterFeatures) {\r
 105             encodeMeterFeaturesBody(message.getMultipartRequestBody(), out);\r
 106         } else if (message.getMultipartRequestBody() instanceof MultipartRequestTableFeatures) {\r
 107             encodeTableFeaturesBody(message.getMultipartRequestBody(), out);\r
 108         } else if (message.getMultipartRequestBody() instanceof MultipartRequestPortDesc) {\r
 109             encodePortDescBody(message.getMultipartRequestBody(), out);\r
 110         } else if (message.getMultipartRequestBody() instanceof MultipartRequestExperimenter) {\r
 111             encodeExperimenterBody(message.getMultipartRequestBody(), out);\r
 112         }\r
 113     }\r
 114 \r
 115     @Override\r
 116     public int computeLength(MultipartRequestInput message) {\r
 117         return MESSAGE_LENGTH + computeBodyLength(message);\r
 118     }\r
 119     @Override\r
 120     public byte getMessageType() {\r
 121         return MESSAGE_TYPE;\r
 122     }\r
 123 \r
 124     /**\r
 125      *\r
 126      * @param message\r
 127      * @return length of MultipartRequestMessage\r
 128      */\r
 129     public int computeBodyLength(MultipartRequestInput message) {\r
 130         int length = 0;\r
 131         MultipartType type = message.getType();\r
 132         if (type.equals(MultipartType.OFPMPFLOW)) {\r
 133             final byte FLOW_BODY_LENGTH = 32;\r
 134             MultipartRequestFlow body = (MultipartRequestFlow) message.getMultipartRequestBody();\r
 135             length += FLOW_BODY_LENGTH + MatchSerializer.computeMatchLength(body.getMatch());\r
 136         } else if (type.equals(MultipartType.OFPMPAGGREGATE)) {\r
 137             final byte AGGREGATE_BODY_LENGTH = 32;\r
 138             MultipartRequestAggregate body = (MultipartRequestAggregate) message.getMultipartRequestBody();\r
 139             length += AGGREGATE_BODY_LENGTH + MatchSerializer.computeMatchLength(body.getMatch());\r
 140         } else if (type.equals(MultipartType.OFPMPPORTSTATS)) {\r
 141             final byte PORT_STATS_BODY_LENGTH = 8;\r
 142             length += PORT_STATS_BODY_LENGTH;\r
 143         } else if (type.equals(MultipartType.OFPMPQUEUE)) {\r
 144             final byte QUEUE_BODY_LENGTH = 8;\r
 145             length += QUEUE_BODY_LENGTH;\r
 146         } else if (type.equals(MultipartType.OFPMPGROUP)) {\r
 147             final byte GROUP_BODY_LENGTH = 8;\r
 148             length += GROUP_BODY_LENGTH;\r
 149         } else if (type.equals(MultipartType.OFPMPMETER)) {\r
 150             final byte METER_BODY_LENGTH = 8;\r
 151             length += METER_BODY_LENGTH;\r
 152         } else if (type.equals(MultipartType.OFPMPMETERCONFIG)) {\r
 153             final byte METER_CONFIG_BODY_LENGTH = 8;\r
 154             length += METER_CONFIG_BODY_LENGTH;\r
 155         } else if (type.equals(MultipartType.OFPMPTABLEFEATURES)) {\r
 156             MultipartRequestTableFeatures body = (MultipartRequestTableFeatures) message.getMultipartRequestBody();\r
 157             length += computeTableFeaturesLength(body);\r
 158         } else if (type.equals(MultipartType.OFPMPEXPERIMENTER)) {\r
 159             final byte EXPERIMENTER_BODY_LENGTH = 8;\r
 160             MultipartRequestExperimenter body = (MultipartRequestExperimenter) message.getMultipartRequestBody();\r
 161             length += EXPERIMENTER_BODY_LENGTH;\r
 162             if (body.getData() != null) {\r
 163                 length += body.getData().length;\r
 164             }\r
 165         }\r
 166         return length;\r
 167     }\r
 168 \r
 169     private static int computeTableFeaturesLength(MultipartRequestTableFeatures body) {\r
 170         final byte TABLE_FEATURES_LENGTH = 64;\r
 171         final byte STRUCTURE_HEADER_LENGTH = 4;\r
 172         int length = 0;\r
 173         if (body != null) {\r
 174             List<TableFeatures> tableFeatures = body.getTableFeatures();\r
 175             for (TableFeatures feature : tableFeatures) {\r
 176                 length += TABLE_FEATURES_LENGTH;\r
 177                 List<TableFeatureProperties> featureProperties = feature.getTableFeatureProperties();\r
 178                 if (featureProperties != null) {\r
 179                     for (TableFeatureProperties featProp : featureProperties) {\r
 180                         length += TABLE_FEAT_HEADER_LENGTH;\r
 181                         if (featProp.getAugmentation(InstructionRelatedTableFeatureProperty.class) != null) {\r
 182                             InstructionRelatedTableFeatureProperty property =\r
 183                                     featProp.getAugmentation(InstructionRelatedTableFeatureProperty.class);\r
 184                             length += property.getInstructions().size() * STRUCTURE_HEADER_LENGTH;\r
 185                         } else if (featProp.getAugmentation(NextTableRelatedTableFeatureProperty.class) != null) {\r
 186                             NextTableRelatedTableFeatureProperty property =\r
 187                                     featProp.getAugmentation(NextTableRelatedTableFeatureProperty.class);\r
 188                             length += property.getNextTableIds().size();\r
 189                         } else if (featProp.getAugmentation(ActionRelatedTableFeatureProperty.class) != null) {\r
 190                             ActionRelatedTableFeatureProperty property =\r
 191                                     featProp.getAugmentation(ActionRelatedTableFeatureProperty.class);\r
 192                             length += property.getActionsList().size() * STRUCTURE_HEADER_LENGTH;\r
 193                         } else if (featProp.getAugmentation(OxmRelatedTableFeatureProperty.class) != null) {\r
 194                             OxmRelatedTableFeatureProperty property =\r
 195                                     featProp.getAugmentation(OxmRelatedTableFeatureProperty.class);\r
 196                             length += property.getMatchEntries().size() * STRUCTURE_HEADER_LENGTH;\r
 197                         } else if (featProp.getAugmentation(ExperimenterRelatedTableFeatureProperty.class) != null) {\r
 198                             ExperimenterRelatedTableFeatureProperty property =\r
 199                                     featProp.getAugmentation(ExperimenterRelatedTableFeatureProperty.class);\r
 200                             length += 2 * (Integer.SIZE / Byte.SIZE);\r
 201                             if (property.getData() != null) {\r
 202                                 length += property.getData().length;\r
 203                             }\r
 204                         }\r
 205                     }\r
 206                 }\r
 207             }\r
 208         }\r
 209         return length;\r
 210     }\r
 211 \r
 212     private static int createMultipartRequestFlagsBitmask(MultipartRequestFlags flags) {\r
 213         int multipartRequestFlagsBitmask = 0;\r
 214         Map<Integer, Boolean> multipartRequestFlagsMap = new HashMap<>();\r
 215         multipartRequestFlagsMap.put(0, flags.isOFPMPFREQMORE());\r
 216 \r
 217         multipartRequestFlagsBitmask = ByteBufUtils.fillBitMaskFromMap(multipartRequestFlagsMap);\r
 218         return multipartRequestFlagsBitmask;\r
 219     }\r
 220 \r
 221     /**\r
 222      * @param multipartRequestBody  \r
 223      * @param output \r
 224      */\r
 225     private void encodeDescBody(MultipartRequestBody multipartRequestBody,\r
 226             ByteBuf output) {\r
 227         // The body of MultiPartRequestDesc is empty\r
 228     }\r
 229 \r
 230     /**\r
 231      * @param multipartRequestBody\r
 232      * @param out\r
 233      */\r
 234     private void encodeTableBody(MultipartRequestBody multipartRequestBody,\r
 235             ByteBuf out) {\r
 236      // The body of MultiPartTable is empty\r
 237     }\r
 238 \r
 239     /**\r
 240      * @param multipartRequestBody\r
 241      * @param out\r
 242      */\r
 243     private void encodeGroupDescBody(MultipartRequestBody multipartRequestBody,\r
 244             ByteBuf out) {\r
 245      // The body of MultiPartRequestGroupDesc is empty\r
 246     }\r
 247 \r
 248     /**\r
 249      * @param multipartRequestBody\r
 250      * @param out\r
 251      */\r
 252     private void encodeGroupFeaturesBody(\r
 253             MultipartRequestBody multipartRequestBody, ByteBuf out) {\r
 254      // The body of MultiPartRequestGroupFeatures is empty\r
 255     }\r
 256 \r
 257     /**\r
 258      * @param multipartRequestBody\r
 259      * @param out\r
 260      */\r
 261     private void encodeMeterFeaturesBody(\r
 262             MultipartRequestBody multipartRequestBody, ByteBuf out) {\r
 263      // The body of MultiPartMeterFeatures is empty\r
 264     }\r
 265 \r
 266     /**\r
 267      * @param multipartRequestBody\r
 268      * @param out\r
 269      */\r
 270     private void encodePortDescBody(MultipartRequestBody multipartRequestBody,\r
 271             ByteBuf out) {\r
 272      // The body of MultiPartPortDesc is empty\r
 273     }\r
 274     \r
 275     private static void encodeFlowBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {\r
 276         final byte PADDING_IN_MULTIPART_REQUEST_FLOW_BODY_01 = 3;\r
 277         final byte PADDING_IN_MULTIPART_REQUEST_FLOW_BODY_02 = 4;\r
 278         MultipartRequestFlow flow = (MultipartRequestFlow) multipartRequestBody;\r
 279         output.writeByte(flow.getTableId().byteValue());\r
 280         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_FLOW_BODY_01, output);\r
 281         output.writeInt(flow.getOutPort().intValue());\r
 282         output.writeInt(flow.getOutGroup().intValue());\r
 283         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_FLOW_BODY_02, output);\r
 284         output.writeLong(flow.getCookie().longValue());\r
 285         output.writeLong(flow.getCookieMask().longValue());\r
 286         MatchSerializer.encodeMatch(flow.getMatch(), output);\r
 287     }\r
 288 \r
 289     private static void encodeAggregateBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {\r
 290         final byte PADDING_IN_MULTIPART_REQUEST_AGREGGATE_BODY_01 = 3;\r
 291         final byte PADDING_IN_MULTIPART_REQUEST_AGREGGATE_BODY_02 = 4;\r
 292         MultipartRequestAggregate aggregate = (MultipartRequestAggregate) multipartRequestBody;\r
 293         output.writeByte(aggregate.getTableId().byteValue());\r
 294         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_AGREGGATE_BODY_01, output);\r
 295         output.writeInt(aggregate.getOutPort().intValue());\r
 296         output.writeInt(aggregate.getOutGroup().intValue());\r
 297         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_AGREGGATE_BODY_02, output);\r
 298         output.writeLong(aggregate.getCookie().longValue());\r
 299         output.writeLong(aggregate.getCookieMask().longValue());\r
 300         MatchSerializer.encodeMatch(aggregate.getMatch(), output);\r
 301     }\r
 302 \r
 303     private static void encodePortStatsBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {\r
 304         final byte PADDING_IN_MULTIPART_REQUEST_PORTSTATS_BODY = 4;\r
 305         MultipartRequestPortStats portstats = (MultipartRequestPortStats) multipartRequestBody;\r
 306         output.writeInt(portstats.getPortNo().intValue());\r
 307         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_PORTSTATS_BODY, output);\r
 308     }\r
 309 \r
 310     private static void encodeQueueBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {\r
 311         MultipartRequestQueue queue = (MultipartRequestQueue) multipartRequestBody;\r
 312         output.writeInt(queue.getPortNo().intValue());\r
 313         output.writeInt(queue.getQueueId().intValue());\r
 314     }\r
 315 \r
 316     private static void encodeGroupStatsBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {\r
 317         final byte PADDING_IN_MULTIPART_REQUEST_GROUP_BODY = 4;\r
 318         MultipartRequestGroup groupStats = (MultipartRequestGroup) multipartRequestBody;\r
 319         output.writeInt(groupStats.getGroupId().intValue());\r
 320         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_GROUP_BODY, output);\r
 321     }\r
 322 \r
 323     private static void encodeMeterBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {\r
 324         final byte PADDING_IN_MULTIPART_REQUEST_METER_BODY = 4;\r
 325         MultipartRequestMeter meter = (MultipartRequestMeter) multipartRequestBody;\r
 326         output.writeInt(meter.getMeterId().intValue());\r
 327         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_METER_BODY, output);\r
 328     }\r
 329 \r
 330     private static void encodeMeterConfigBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {\r
 331         final byte PADDING_IN_MULTIPART_REQUEST_METER_CONFIG_BODY = 4;\r
 332         MultipartRequestMeterConfig meterConfig = (MultipartRequestMeterConfig) multipartRequestBody;\r
 333         output.writeInt(meterConfig.getMeterId().intValue());\r
 334         ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_METER_CONFIG_BODY, output);\r
 335     }\r
 336 \r
 337     private static void encodeExperimenterBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {\r
 338         MultipartRequestExperimenter experimenter = (MultipartRequestExperimenter) multipartRequestBody;\r
 339         output.writeInt(experimenter.getExperimenter().intValue());\r
 340         output.writeInt(experimenter.getExpType().intValue());\r
 341         byte[] data = experimenter.getData();\r
 342         if (data != null) {\r
 343             output.writeBytes(data);\r
 344         }\r
 345     }\r
 346 \r
 347     private static void encodeTableFeaturesBody(MultipartRequestBody multipartRequestBody, ByteBuf output) {\r
 348         if (multipartRequestBody != null) {\r
 349             MultipartRequestTableFeatures tableFeatures = (MultipartRequestTableFeatures) multipartRequestBody;\r
 350             for (TableFeatures currTableFeature : tableFeatures.getTableFeatures()) {\r
 351                 final byte PADDING_IN_MULTIPART_REQUEST_TABLE_FEATURES_BODY = 5;\r
 352                 output.writeByte(currTableFeature.getTableId());\r
 353                 ByteBufUtils.padBuffer(PADDING_IN_MULTIPART_REQUEST_TABLE_FEATURES_BODY, output);\r
 354                 output.writeBytes(currTableFeature.getName().getBytes());\r
 355                 ByteBufUtils.padBuffer((32 - currTableFeature.getName().getBytes().length), output);\r
 356                 output.writeLong(currTableFeature.getMetadataMatch().longValue());\r
 357                 output.writeLong(currTableFeature.getMetadataWrite().longValue());\r
 358                 output.writeInt(createTableConfigBitmask(currTableFeature.getConfig()));\r
 359                 output.writeInt(currTableFeature.getMaxEntries().intValue());\r
 360                 writeTableFeatureProperties(output, currTableFeature.getTableFeatureProperties());\r
 361             }\r
 362         }\r
 363     }\r
 364 \r
 365     private static void writeTableFeatureProperties(ByteBuf output, List<TableFeatureProperties> props) {\r
 366         if (props != null) {\r
 367             for (TableFeatureProperties property : props) {\r
 368                 TableFeaturesPropType type = property.getType();\r
 369                 if (type.equals(TableFeaturesPropType.OFPTFPTINSTRUCTIONS)) {\r
 370                     final byte INSTRUCTIONS_CODE = 0;\r
 371                     writeInstructionRelatedTableProperty(output, property, INSTRUCTIONS_CODE);\r
 372                 } else if (type.equals(TableFeaturesPropType.OFPTFPTINSTRUCTIONSMISS)) {\r
 373                     final byte INSTRUCTIONS_MISS_CODE = 1;\r
 374                     writeInstructionRelatedTableProperty(output, property, INSTRUCTIONS_MISS_CODE);\r
 375                 } else if (type.equals(TableFeaturesPropType.OFPTFPTNEXTTABLES)) {\r
 376                     final byte NEXT_TABLE_CODE = 2;\r
 377                     writeNextTableRelatedTableProperty(output, property, NEXT_TABLE_CODE);\r
 378                 } else if (type.equals(TableFeaturesPropType.OFPTFPTNEXTTABLESMISS)) {\r
 379                     final byte NEXT_TABLE_MISS_CODE = 3;\r
 380                     writeNextTableRelatedTableProperty(output, property, NEXT_TABLE_MISS_CODE);\r
 381                 } else if (type.equals(TableFeaturesPropType.OFPTFPTWRITEACTIONS)) {\r
 382                     final byte WRITE_ACTIONS_CODE = 4;\r
 383                     writeActionsRelatedTableProperty(output, property, WRITE_ACTIONS_CODE);\r
 384                 } else if (type.equals(TableFeaturesPropType.OFPTFPTWRITEACTIONSMISS)) {\r
 385                     final byte WRITE_ACTIONS_MISS_CODE = 5;\r
 386                     writeActionsRelatedTableProperty(output, property, WRITE_ACTIONS_MISS_CODE);\r
 387                 } else if (type.equals(TableFeaturesPropType.OFPTFPTAPPLYACTIONS)) {\r
 388                     final byte APPLY_ACTIONS_CODE = 6;\r
 389                     writeActionsRelatedTableProperty(output, property, APPLY_ACTIONS_CODE);\r
 390                 } else if (type.equals(TableFeaturesPropType.OFPTFPTAPPLYACTIONSMISS)) {\r
 391                     final byte APPLY_ACTIONS_MISS_CODE = 7;\r
 392                     writeActionsRelatedTableProperty(output, property, APPLY_ACTIONS_MISS_CODE);\r
 393                 } else if (type.equals(TableFeaturesPropType.OFPTFPTMATCH)) {\r
 394                     final byte MATCH_CODE = 8;\r
 395                     writeOxmRelatedTableProperty(output, property, MATCH_CODE);\r
 396                 } else if (type.equals(TableFeaturesPropType.OFPTFPTWILDCARDS)) {\r
 397                     final byte WILDCARDS_CODE = 10;\r
 398                     writeOxmRelatedTableProperty(output, property, WILDCARDS_CODE);\r
 399                 } else if (type.equals(TableFeaturesPropType.OFPTFPTWRITESETFIELD)) {\r
 400                     final byte WRITE_SETFIELD_CODE = 12;\r
 401                     writeOxmRelatedTableProperty(output, property, WRITE_SETFIELD_CODE);\r
 402                 } else if (type.equals(TableFeaturesPropType.OFPTFPTWRITESETFIELDMISS)) {\r
 403                     final byte WRITE_SETFIELD_MISS_CODE = 13;\r
 404                     writeOxmRelatedTableProperty(output, property, WRITE_SETFIELD_MISS_CODE);\r
 405                 } else if (type.equals(TableFeaturesPropType.OFPTFPTAPPLYSETFIELD)) {\r
 406                     final byte APPLY_SETFIELD_CODE = 14;\r
 407                     writeOxmRelatedTableProperty(output, property, APPLY_SETFIELD_CODE);\r
 408                 } else if (type.equals(TableFeaturesPropType.OFPTFPTAPPLYSETFIELDMISS)) {\r
 409                     final byte APPLY_SETFIELD_MISS_CODE = 15;\r
 410                     writeOxmRelatedTableProperty(output, property, APPLY_SETFIELD_MISS_CODE);\r
 411                 } else if (type.equals(TableFeaturesPropType.OFPTFPTEXPERIMENTER)) {\r
 412                     final int EXPERIMENTER_CODE = 65534; // 0xFFFE\r
 413                     writeExperimenterRelatedTableProperty(output, property, EXPERIMENTER_CODE);\r
 414                 } else if (type.equals(TableFeaturesPropType.OFPTFPTEXPERIMENTERMISS)) {\r
 415                     final int EXPERIMENTER_MISS_CODE = 65535; // 0xFFFF\r
 416                     writeExperimenterRelatedTableProperty(output, property, EXPERIMENTER_MISS_CODE);\r
 417                 }\r
 418             }\r
 419         }\r
 420     }\r
 421 \r
 422     private static void writeInstructionRelatedTableProperty(ByteBuf output,\r
 423             TableFeatureProperties property, byte code) {\r
 424         output.writeShort(code);\r
 425         List<Instructions> instructions = property.\r
 426                 getAugmentation(InstructionRelatedTableFeatureProperty.class).getInstructions();\r
 427         int length = TABLE_FEAT_HEADER_LENGTH;\r
 428         if (instructions != null) {\r
 429         output.writeShort(InstructionsSerializer.computeInstructionsLength(instructions)\r
 430                 + TABLE_FEAT_HEADER_LENGTH);\r
 431         InstructionsSerializer.encodeInstructions(instructions, output);\r
 432         } else {\r
 433             output.writeShort(length);\r
 434         }\r
 435     }\r
 436 \r
 437     private static void writeNextTableRelatedTableProperty(ByteBuf output,\r
 438             TableFeatureProperties property, byte code) {\r
 439         output.writeShort(code);\r
 440         List<NextTableIds> nextTableIds = property.\r
 441                 getAugmentation(NextTableRelatedTableFeatureProperty.class).getNextTableIds();\r
 442         int length = TABLE_FEAT_HEADER_LENGTH;\r
 443         if (nextTableIds != null) {\r
 444             output.writeShort(length + nextTableIds.size());\r
 445             for (NextTableIds next : nextTableIds) {\r
 446                 output.writeByte(next.getTableId());\r
 447             }\r
 448         } else {\r
 449             output.writeShort(length);\r
 450         }\r
 451     }\r
 452 \r
 453     private static void writeActionsRelatedTableProperty(ByteBuf output,\r
 454             TableFeatureProperties property, byte code) {\r
 455         output.writeShort(code);\r
 456         List<ActionsList> actions = property.\r
 457                 getAugmentation(ActionRelatedTableFeatureProperty.class).getActionsList();\r
 458         int length = TABLE_FEAT_HEADER_LENGTH;\r
 459         if (actions != null) {\r
 460         output.writeShort(ActionsSerializer.computeLengthOfActions(actions)\r
 461                 + TABLE_FEAT_HEADER_LENGTH);\r
 462         ActionsSerializer.encodeActions(actions, output);\r
 463         } else {\r
 464             output.writeShort(length);\r
 465         }\r
 466     }\r
 467 \r
 468     private static void writeOxmRelatedTableProperty(ByteBuf output,\r
 469             TableFeatureProperties property, byte code) {\r
 470         output.writeShort(code);\r
 471         List<MatchEntries> entries = property.\r
 472                 getAugmentation(OxmRelatedTableFeatureProperty.class).getMatchEntries();\r
 473         int length = TABLE_FEAT_HEADER_LENGTH;\r
 474         if (entries != null) {\r
 475         output.writeShort(MatchSerializer.computeMatchEntriesLength(entries)\r
 476                 + TABLE_FEAT_HEADER_LENGTH);\r
 477         MatchSerializer.encodeMatchEntries(entries, output);\r
 478         } else {\r
 479             output.writeShort(length);\r
 480         }\r
 481     }\r
 482 \r
 483     private static void writeExperimenterRelatedTableProperty(ByteBuf output,\r
 484             TableFeatureProperties property, int code) {\r
 485         output.writeShort(code);\r
 486         ExperimenterRelatedTableFeatureProperty exp = property.\r
 487                 getAugmentation(ExperimenterRelatedTableFeatureProperty.class);\r
 488         byte[] data = exp.getData();\r
 489         int length = TABLE_FEAT_HEADER_LENGTH + 2 * (Integer.SIZE / Byte.SIZE);\r
 490         if (data != null) {\r
 491             output.writeShort(length + data.length);\r
 492             output.writeInt(exp.getExperimenter().intValue());\r
 493             output.writeInt(exp.getExpType().intValue());\r
 494             output.writeBytes(data);\r
 495         } else {\r
 496             output.writeShort(length);\r
 497             output.writeInt(exp.getExperimenter().intValue());\r
 498             output.writeInt(exp.getExpType().intValue());\r
 499         }\r
 500     }\r
 501 \r
 502     private static int createTableConfigBitmask(TableConfig tableConfig) {\r
 503         int tableConfigBitmask = 0;\r
 504         Map<Integer, Boolean> tableConfigMap = new HashMap<>();\r
 505         tableConfigMap.put(3, tableConfig.isOFPTCDEPRECATEDMASK());\r
 506 \r
 507         tableConfigBitmask = ByteBufUtils.fillBitMaskFromMap(tableConfigMap);\r
 508         return tableConfigBitmask;\r
 509     }\r
 510 }\r