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