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