mappingservice/implementation/src/main/java/org/opendaylight/lispflowmapping/implementation/serializer/address/LispApplicationDataLCAFAddressSerializer.java

   1 /*
   2  * Copyright (c) 2014 Contextream, Inc. 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.lispflowmapping.implementation.serializer.address;
   9
  10 import java.nio.ByteBuffer;
  11
  12 import org.opendaylight.lispflowmapping.implementation.util.ByteUtil;
  13 import org.opendaylight.lispflowmapping.implementation.util.LispAFIConvertor;
  14 import org.opendaylight.lispflowmapping.implementation.util.NumberUtil;
  15 import org.opendaylight.lispflowmapping.type.AddressFamilyNumberEnum;
  16 import org.opendaylight.lispflowmapping.type.LispCanonicalAddressFormatEnum;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.LcafApplicationDataAddress;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.LispAFIAddress;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lcafapplicationdataaddress.AddressBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lispaddress.lispaddresscontainer.address.lcafapplicationdata.LcafApplicationDataAddrBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lispsimpleaddress.PrimitiveAddress;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.PortNumber;
  23
  24 public class LispApplicationDataLCAFAddressSerializer extends LispLCAFAddressSerializer {
  25
  26     private static final LispApplicationDataLCAFAddressSerializer INSTANCE = new LispApplicationDataLCAFAddressSerializer();
  27
  28     // Private constructor prevents instantiation from other classes
  29     private LispApplicationDataLCAFAddressSerializer() {
  30     }
  31
  32     public static LispApplicationDataLCAFAddressSerializer getInstance() {
  33         return INSTANCE;
  34     }
  35
  36     @Override
  37     protected short getLcafLength(LispAFIAddress lispAddress) {
  38         return (short) (Length.ALL_FIELDS + LispAddressSerializer.getInstance().getAddressSize(
  39                 LispAFIConvertor.toAFIfromPrimitive(((LcafApplicationDataAddress) lispAddress).getAddress().getPrimitiveAddress())));
  40     }
  41
  42     @Override
  43     protected void serializeData(ByteBuffer buffer, LispAFIAddress lispAddress) {
  44         LcafApplicationDataAddress applicationDataAddress = ((LcafApplicationDataAddress) lispAddress);
  45         buffer.put(ByteUtil.partialIntToByteArray(NumberUtil.asInt(applicationDataAddress.getIpTos()), Length.TOC));
  46         buffer.put((byte) NumberUtil.asShort(applicationDataAddress.getProtocol()));
  47         if (applicationDataAddress.getLocalPort() != null) {
  48             buffer.putShort(NumberUtil.asShort(applicationDataAddress.getLocalPort().getValue().shortValue()));
  49         } else {
  50             buffer.putShort((short) 0);
  51         }
  52         if (applicationDataAddress.getRemotePort() != null) {
  53             buffer.putShort(NumberUtil.asShort(applicationDataAddress.getRemotePort().getValue().shortValue()));
  54         } else {
  55             buffer.putShort((short) 0);
  56         }
  57         LispAddressSerializer.getInstance().serialize(buffer,
  58                 LispAFIConvertor.toAFIfromPrimitive(((LcafApplicationDataAddress) lispAddress).getAddress().getPrimitiveAddress()));
  59     }
  60
  61     @Override
  62     protected LcafApplicationDataAddress deserializeData(ByteBuffer buffer, byte res2, short length) {
  63
  64         LcafApplicationDataAddrBuilder builder = new LcafApplicationDataAddrBuilder();
  65         byte[] rawIPTos = new byte[3];
  66         buffer.get(rawIPTos);
  67         builder.setIpTos(ByteUtil.getPartialInt(rawIPTos));
  68         builder.setProtocol((short) ByteUtil.getUnsignedByte(buffer));
  69         builder.setLocalPort(new PortNumber(ByteUtil.asUnsignedShort(buffer.getShort())));
  70         builder.setRemotePort(new PortNumber(ByteUtil.asUnsignedShort(buffer.getShort())));
  71         LispAFIAddress address = LispAddressSerializer.getInstance().deserialize(buffer);
  72         builder.setAfi(AddressFamilyNumberEnum.LCAF.getIanaCode()).setLcafType((short) LispCanonicalAddressFormatEnum.APPLICATION_DATA.getLispCode())
  73                 .setAddress(new AddressBuilder().setPrimitiveAddress((PrimitiveAddress) LispAFIConvertor.toPrimitive(address)).build());
  74
  75         return builder.build();
  76     }
  77
  78     private interface Length {
  79         int LOCAL_PORT = 2;
  80         int REMOTE_PORT = 2;
  81         int TOC = 3;
  82         int PROTOCOL = 1;
  83         int ALL_FIELDS = LOCAL_PORT + REMOTE_PORT + TOC + PROTOCOL;
  84     }
  85
  86 }