mappingservice/lisp-proto/src/main/java/org/opendaylight/lispflowmapping/lisp/serializer/address/AfiListSerializer.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.lisp.serializer.address;
   9
  10 import com.google.common.collect.ImmutableSet;
  11 import java.nio.ByteBuffer;
  12 import java.util.Set;
  13 import org.opendaylight.lispflowmapping.lisp.type.LispCanonicalAddressFormatEnum;
  14 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana.afn.safi.rev130704.AddressFamily;
  15 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.AfiListLcaf;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.LispAddress;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.SimpleAddress;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.Address;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.afi.list.AfiList;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.afi.list.AfiListBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.Eid;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.EidBuilder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.rloc.container.Rloc;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.rloc.container.RlocBuilder;
  25
  26 public final class AfiListSerializer extends LcafSerializer {
  27     private static final AfiListSerializer INSTANCE = new AfiListSerializer();
  28
  29     // Private constructor prevents instantiation from other classes
  30     private AfiListSerializer() {
  31     }
  32
  33     public static AfiListSerializer getInstance() {
  34         return INSTANCE;
  35     }
  36
  37     @Override
  38     protected byte getLcafType() {
  39         return LispCanonicalAddressFormatEnum.LIST.getLispCode();
  40     }
  41
  42     @Override
  43     protected short getLcafLength(LispAddress lispAddress) {
  44         short totalSize = 0;
  45         AfiList afiList = ((org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105
  46                 .lisp.address.address.AfiList) lispAddress.getAddress()).getAfiList();
  47         for (SimpleAddress address : afiList.getAddressList()) {
  48             totalSize += SimpleAddressSerializer.getInstance().getAddressSize(address);
  49         }
  50         return totalSize;
  51     }
  52
  53     @Override
  54     protected short getAfi() {
  55         return (short) AddressFamily.LispCanonicalAddressFormat.getIntValue();
  56     }
  57
  58     @Override
  59     protected void serializeData(ByteBuffer buffer, LispAddress lispAddress) {
  60         AfiList afiList = (((org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105
  61                 .lisp.address.address.AfiList) lispAddress.getAddress()).getAfiList());
  62         for (SimpleAddress address : afiList.getAddressList()) {
  63             SimpleAddressSerializer.getInstance().serialize(buffer, address);
  64         }
  65     }
  66
  67     @Override
  68     public Eid deserializeLcafEidData(ByteBuffer buffer, byte res2, short length, LispAddressSerializerContext ctx) {
  69         EidBuilder eb = new EidBuilder();
  70         eb.setAddressType(AfiListLcaf.class);
  71         eb.setVirtualNetworkId(getVni(ctx));
  72         eb.setAddress(deserializeData(buffer, length, ctx));
  73         return eb.build();
  74     }
  75
  76     @Override
  77     public Rloc deserializeLcafRlocData(ByteBuffer buffer, byte res2, short length, LispAddressSerializerContext ctx) {
  78         RlocBuilder rb = new RlocBuilder();
  79         rb.setAddressType(AfiListLcaf.class);
  80         rb.setVirtualNetworkId(getVni(ctx));
  81         rb.setAddress(deserializeData(buffer, length, ctx));
  82         return rb.build();
  83     }
  84
  85     private static Address deserializeData(ByteBuffer buffer, short lcafLength, LispAddressSerializerContext ctx) {
  86         final Set<SimpleAddress> addresses;
  87         if (lcafLength > 0) {
  88             ImmutableSet.Builder<SimpleAddress> builder = ImmutableSet.builderWithExpectedSize(lcafLength);
  89             short length = lcafLength;
  90             while (length > 0) {
  91                 SimpleAddress address = SimpleAddressSerializer.getInstance().deserialize(buffer, ctx);
  92                 length -= SimpleAddressSerializer.getInstance().getAddressSize(address);
  93                 builder.add(address);
  94             }
  95             addresses = builder.build();
  96         } else {
  97             addresses = Set.of();
  98         }
  99
 100         return new org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp
 101                 .address.address.AfiListBuilder().setAfiList(new AfiListBuilder().setAddressList(addresses).build())
 102                 .build();
 103     }
 104 }