openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/deserialization/instruction/WriteMetadataInstructionDeserializer.java

   1 /*
   2  * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.openflowjava.protocol.impl.deserialization.instruction;
  10
  11 import io.netty.buffer.ByteBuf;
  12
  13 import org.opendaylight.openflowjava.protocol.api.extensibility.HeaderDeserializer;
  14 import org.opendaylight.openflowjava.protocol.api.extensibility.OFDeserializer;
  15 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  16 import org.opendaylight.openflowjava.protocol.impl.util.InstructionConstants;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instruction.grouping.instruction.choice.WriteMetadataCaseBuilder;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instruction.grouping.instruction.choice.write.metadata._case.WriteMetadataBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.Instruction;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.common.instruction.rev130731.instructions.grouping.InstructionBuilder;
  21
  22 /**
  23  * @author michal.polkorab
  24  *
  25  */
  26 public class WriteMetadataInstructionDeserializer implements OFDeserializer<Instruction>,
  27         HeaderDeserializer<Instruction> {
  28
  29     @Override
  30     public Instruction deserialize(ByteBuf input) {
  31         InstructionBuilder builder = new InstructionBuilder();
  32         input.skipBytes(2 * EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
  33         input.skipBytes(InstructionConstants.PADDING_IN_WRITE_METADATA);
  34         WriteMetadataCaseBuilder caseBuilder = new WriteMetadataCaseBuilder();
  35         WriteMetadataBuilder metadataBuilder = new WriteMetadataBuilder();
  36         byte[] metadata = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
  37         input.readBytes(metadata);
  38         metadataBuilder.setMetadata(metadata);
  39         byte[] metadataMask = new byte[EncodeConstants.SIZE_OF_LONG_IN_BYTES];
  40         input.readBytes(metadataMask);
  41         metadataBuilder.setMetadataMask(metadataMask);
  42         caseBuilder.setWriteMetadata(metadataBuilder.build());
  43         builder.setInstructionChoice(caseBuilder.build());
  44         return builder.build();
  45     }
  46
  47     @Override
  48     public Instruction deserializeHeader(ByteBuf input) {
  49         InstructionBuilder builder = new InstructionBuilder();
  50         input.skipBytes(2 * EncodeConstants.SIZE_OF_SHORT_IN_BYTES);
  51         builder.setInstructionChoice(new WriteMetadataCaseBuilder().build());
  52         return builder.build();
  53     }
  54 }