extension/openflowjava-extension-nicira/src/main/java/org/opendaylight/openflowjava/nx/codec/match/TcpSrcCodec.java

   1 /*
   2  * Copyright (c) 2015 Hewlett-Packard Enterprise 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 package org.opendaylight.openflowjava.nx.codec.match;
   9
  10 import static org.opendaylight.yangtools.yang.common.netty.ByteBufUtils.readUint16;
  11
  12 import io.netty.buffer.ByteBuf;
  13 import org.opendaylight.openflowjava.protocol.api.keys.MatchEntryDeserializerKey;
  14 import org.opendaylight.openflowjava.protocol.api.keys.MatchEntrySerializerKey;
  15 import org.opendaylight.openflowjava.protocol.api.util.EncodeConstants;
  16 import org.opendaylight.openflowjava.protocol.api.util.OxmMatchConstants;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.PortNumber;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.MatchField;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.Nxm0Class;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.OxmClassBase;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.oxm.rev150225.match.entries.grouping.MatchEntry;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.NxmOfTcpSrc;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.aug.nx.match.TcpSrcCaseValue;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.aug.nx.match.TcpSrcCaseValueBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflowjava.nx.match.rev140421.ofj.nxm.of.match.tcp.src.grouping.TcpSrcValuesBuilder;
  26
  27 /**
  28  * Codec for the TcpSrc message..
  29  *
  30  * @author Aswin Suryanarayanan.
  31  */
  32 public class TcpSrcCodec extends AbstractMatchCodec {
  33
  34     private static final int VALUE_LENGTH = 2;
  35     private static final int NXM_FIELD_CODE = 9;
  36     public static final MatchEntrySerializerKey<Nxm0Class, NxmOfTcpSrc> SERIALIZER_KEY = new MatchEntrySerializerKey<>(
  37             EncodeConstants.OF_VERSION_1_3, Nxm0Class.class, NxmOfTcpSrc.class);
  38     public static final MatchEntryDeserializerKey DESERIALIZER_KEY = new MatchEntryDeserializerKey(
  39             EncodeConstants.OF_VERSION_1_3, OxmMatchConstants.NXM_0_CLASS, NXM_FIELD_CODE);
  40
  41     @Override
  42     public void serialize(final MatchEntry input, final ByteBuf outBuffer) {
  43         serializeHeader(input, outBuffer);
  44         TcpSrcCaseValue tcpSrcCase = (TcpSrcCaseValue) input.getMatchEntryValue();
  45         outBuffer.writeShort(tcpSrcCase.getTcpSrcValues().getPort().getValue().toJava());
  46         outBuffer.writeShort(tcpSrcCase.getTcpSrcValues().getMask().toJava());
  47     }
  48
  49     @Override
  50     public MatchEntry deserialize(final ByteBuf message) {
  51         return deserializeHeaderToBuilder(message)
  52                 .setHasMask(true)
  53                 .setMatchEntryValue(new TcpSrcCaseValueBuilder()
  54                     .setTcpSrcValues(new TcpSrcValuesBuilder()
  55                         .setPort(new PortNumber(readUint16(message)))
  56                         .setMask(readUint16(message))
  57                         .build())
  58                     .build())
  59                 .build();
  60     }
  61
  62     @Override
  63     public int getNxmFieldCode() {
  64         return NXM_FIELD_CODE;
  65     }
  66
  67     @Override
  68     public int getOxmClassCode() {
  69         return OxmMatchConstants.NXM_0_CLASS;
  70     }
  71
  72     @Override
  73     public int getValueLength() {
  74         return VALUE_LENGTH;
  75     }
  76
  77     @Override
  78     public Class<? extends MatchField> getNxmField() {
  79         return NxmOfTcpSrc.class;
  80     }
  81
  82     @Override
  83     public Class<? extends OxmClassBase> getOxmClass() {
  84         return Nxm0Class.class;
  85     }
  86 }