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