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

   1 /*\r
   2  * Copyright (c) 2014 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.ext.serialization;\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.ext.util.ExtBufferUtils;\r
  15 import org.opendaylight.openflowjava.protocol.ext.util.ExtConstants;\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 /**\r
  21  * @author michal.polkorab\r
  22  *\r
  23  */\r
  24 public class OF13TableFeatExpSerializer implements OFSerializer<TableFeatureProperties> {\r
  25 \r
  26     private static final int EXPERIMENTER_CODE = 65534; // 0xFFFE\r
  27     private static final int EXPERIMENTER_MISS_CODE = 65535; // 0xFFFF\r
  28     \r
  29     @Override\r
  30     public void serialize(TableFeatureProperties property, ByteBuf outBuffer) {\r
  31         int startIndex = outBuffer.writerIndex();\r
  32         if (property.getType().equals(TableFeaturesPropType.OFPTFPTEXPERIMENTER)) {\r
  33             outBuffer.writeShort(EXPERIMENTER_CODE);\r
  34         } else {\r
  35             outBuffer.writeShort(EXPERIMENTER_MISS_CODE);\r
  36         }\r
  37         int lengthIndex = outBuffer.writerIndex();\r
  38         outBuffer.writeShort(ExtConstants.EMPTY_LENGTH);\r
  39         ExperimenterRelatedTableFeatureProperty exp = property.\r
  40                 getAugmentation(ExperimenterRelatedTableFeatureProperty.class);\r
  41         outBuffer.writeInt(exp.getExperimenter().intValue());\r
  42         outBuffer.writeInt(exp.getExpType().intValue());\r
  43         byte[] data = exp.getData();\r
  44         if (data != null) {\r
  45             outBuffer.writeBytes(data);\r
  46         }\r
  47         int paddingRemainder = (outBuffer.writerIndex() - startIndex) % ExtConstants.PADDING;\r
  48         if (paddingRemainder != 0) {\r
  49             int padding = ExtConstants.PADDING - paddingRemainder;\r
  50             ExtBufferUtils.padBuffer(padding, outBuffer);\r
  51         }\r
  52         outBuffer.setShort(lengthIndex, outBuffer.writerIndex() - startIndex);\r
  53     }\r
  54 \r
  55 }\r