openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/serialization/experimenters/OF13TableFeatExpSerializer.java

   1 /*\r
   2  * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.\r
   3  *\r
   4  * This program and the accompanying materials are made available under the\r
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,\r
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html\r
   7  */\r
   8 \r
   9 package org.opendaylight.openflowjava.protocol.impl.serialization.experimenters;\r
  10 \r
  11 import io.netty.buffer.ByteBuf;\r
  12 \r
  13 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;\r
  14 import org.opendaylight.openflowjava.protocol.impl.util.ByteBufUtils;\r
  15 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;\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.common.types.rev130731.TableFeaturesPropType;\r
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.table.features.properties.grouping.TableFeatureProperties;\r
  19 \r
  20 public class OF13TableFeatExpSerializer implements OFSerializer<TableFeatureProperties> {\r
  21 \r
  22     private static final int EXPERIMENTER_CODE = 65534; // 0xFFFE\r
  23     private static final int EXPERIMENTER_MISS_CODE = 65535; // 0xFFFF\r
  24     \r
  25         @Override\r
  26         public void serialize(TableFeatureProperties property, ByteBuf outBuffer) {\r
  27                 int startIndex = outBuffer.writerIndex();\r
  28                 if (property.getType().equals(TableFeaturesPropType.OFPTFPTEXPERIMENTER)) {\r
  29                         outBuffer.writeShort(EXPERIMENTER_CODE);\r
  30                 } else {\r
  31                         outBuffer.writeShort(EXPERIMENTER_MISS_CODE);\r
  32                 }\r
  33                 int lengthIndex = outBuffer.writerIndex();\r
  34                 outBuffer.writeShort(EncodeConstants.EMPTY_LENGTH);\r
  35         ExperimenterRelatedTableFeatureProperty exp = property.\r
  36                 getAugmentation(ExperimenterRelatedTableFeatureProperty.class);\r
  37         outBuffer.writeInt(exp.getExperimenter().intValue());\r
  38         outBuffer.writeInt(exp.getExpType().intValue());\r
  39         byte[] data = exp.getData();\r
  40         if (data != null) {\r
  41             outBuffer.writeBytes(data);\r
  42         }\r
  43         int paddingRemainder = (outBuffer.writerIndex() - startIndex) % EncodeConstants.PADDING;\r
  44         if (paddingRemainder != 0) {\r
  45                 int padding = EncodeConstants.PADDING - paddingRemainder;\r
  46             ByteBufUtils.padBuffer(padding, outBuffer);\r
  47         }\r
  48         outBuffer.setShort(lengthIndex, outBuffer.writerIndex() - startIndex);\r
  49         }\r
  50 \r
  51 }\r