mappingservice/implementation/src/main/java/org/opendaylight/lispflowmapping/implementation/serializer/address/LispSourceDestLCAFAddressSerializer.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.type.AddressFamilyNumberEnum;
  15 import org.opendaylight.lispflowmapping.type.LispCanonicalAddressFormatEnum;
  16 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.LcafSourceDestAddress;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.LispAFIAddress;
  18 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lcafsourcedestaddress.DstAddressBuilder;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lcafsourcedestaddress.SrcAddressBuilder;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lispaddress.lispaddresscontainer.address.lcafsourcedest.LcafSourceDestAddrBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.control.plane.rev150314.lispsimpleaddress.PrimitiveAddress;
  22
  23 public class LispSourceDestLCAFAddressSerializer extends LispLCAFAddressSerializer {
  24
  25     private static final LispSourceDestLCAFAddressSerializer INSTANCE = new LispSourceDestLCAFAddressSerializer();
  26
  27     // Private constructor prevents instantiation from other classes
  28     private LispSourceDestLCAFAddressSerializer() {
  29     }
  30
  31     public static LispSourceDestLCAFAddressSerializer getInstance() {
  32         return INSTANCE;
  33     }
  34
  35     @Override
  36     protected short getLcafLength(LispAFIAddress lispAddress) {
  37         return (short) (Length.ALL_FIELDS
  38                 + LispAddressSerializer.getInstance().getAddressSize(
  39                         LispAFIConvertor.toAFIfromPrimitive(((LcafSourceDestAddress) lispAddress).getSrcAddress().getPrimitiveAddress())) + LispAddressSerializer
  40                 .getInstance().getAddressSize(LispAFIConvertor.toAFIfromPrimitive(((LcafSourceDestAddress) lispAddress).getDstAddress().getPrimitiveAddress())));
  41     }
  42
  43     @Override
  44     protected void serializeData(ByteBuffer buffer, LispAFIAddress lispAddress) {
  45         LcafSourceDestAddress lispSourceDestLCAFAddress = ((LcafSourceDestAddress) lispAddress);
  46         buffer.putShort((short) 0);
  47         buffer.put(lispSourceDestLCAFAddress.getSrcMaskLength().byteValue());
  48         buffer.put(lispSourceDestLCAFAddress.getDstMaskLength().byteValue());
  49         LispAddressSerializer.getInstance().serialize(buffer, LispAFIConvertor.toAFIfromPrimitive(lispSourceDestLCAFAddress.getSrcAddress().getPrimitiveAddress()));
  50         LispAddressSerializer.getInstance().serialize(buffer, LispAFIConvertor.toAFIfromPrimitive(lispSourceDestLCAFAddress.getDstAddress().getPrimitiveAddress()));
  51     }
  52
  53     @Override
  54     protected LcafSourceDestAddress deserializeData(ByteBuffer buffer, byte res2, short length) {
  55         short res = buffer.getShort();
  56         int srcMaskLength = ByteUtil.getUnsignedByte(buffer);
  57         int dstMaskLength = ByteUtil.getUnsignedByte(buffer);
  58         LispAFIAddress srcAddress = LispAddressSerializer.getInstance().deserialize(buffer);
  59         LispAFIAddress dstAddress = LispAddressSerializer.getInstance().deserialize(buffer);
  60         LcafSourceDestAddrBuilder builder = new LcafSourceDestAddrBuilder();
  61         builder.setDstMaskLength((short) dstMaskLength).setSrcMaskLength((short) srcMaskLength);
  62         builder.setSrcAddress(new SrcAddressBuilder().setPrimitiveAddress((PrimitiveAddress) LispAFIConvertor.toPrimitive(srcAddress)).build());
  63         builder.setDstAddress(new DstAddressBuilder().setPrimitiveAddress((PrimitiveAddress) LispAFIConvertor.toPrimitive(dstAddress)).build());
  64         builder.setAfi(AddressFamilyNumberEnum.LCAF.getIanaCode());
  65         builder.setLcafType((short) LispCanonicalAddressFormatEnum.SOURCE_DEST.getLispCode());
  66
  67         return builder.build();
  68     }
  69
  70     private interface Length {
  71         int SOURCE_MASK_LENGTH = 1;
  72         int DEST_MASK_LENGTH = 1;
  73         int RESERVED = 2;
  74         int ALL_FIELDS = SOURCE_MASK_LENGTH + DEST_MASK_LENGTH + RESERVED;
  75     }
  76 }