mappingservice/lisp-proto/src/main/java/org/opendaylight/lispflowmapping/lisp/serializer/address/MacSerializer.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 java.nio.ByteBuffer;
  11 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana.afn.safi.rev130704.AddressFamily;
  12 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.LispAddress;
  13 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.MacAfi;
  14 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.SimpleAddress;
  15 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Mac;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.MacBuilder;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.IetfYangUtil;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.MacAddress;
  19 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.Eid;
  20 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.EidBuilder;
  21 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.rloc.container.Rloc;
  22 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.rloc.container.RlocBuilder;
  23
  24 public final class MacSerializer extends LispAddressSerializer {
  25
  26     private static final MacSerializer INSTANCE = new MacSerializer();
  27
  28     // Private constructor prevents instantiation from other classes
  29     private MacSerializer() {
  30     }
  31
  32     public static MacSerializer getInstance() {
  33         return INSTANCE;
  34     }
  35
  36     @Override
  37     public int getAddressSize(LispAddress lispAddress) {
  38         return Length.MAC;
  39     }
  40
  41     @Override
  42     public int getAddressSize(SimpleAddress simpleAddress) {
  43         return Length.MAC;
  44     }
  45
  46     @Override
  47     protected short getAfi() {
  48         return (short) AddressFamily._48BitMac.getIntValue();
  49     }
  50
  51     @Override
  52     protected void serializeData(ByteBuffer buffer, LispAddress lispAddress) {
  53         Mac mac = (Mac) lispAddress.getAddress();
  54         buffer.put(IetfYangUtil.INSTANCE.macAddressBytes(mac.getMac()));
  55     }
  56
  57     @Override
  58     protected void serializeData(ByteBuffer buffer, SimpleAddress simpleAddress) {
  59         buffer.put(IetfYangUtil.INSTANCE.macAddressBytes(simpleAddress.getMacAddress()));
  60     }
  61
  62     @Override
  63     protected Eid deserializeEidData(ByteBuffer buffer, LispAddressSerializerContext ctx) {
  64         EidBuilder eb = new EidBuilder();
  65         eb.setAddressType(MacAfi.VALUE);
  66         eb.setVirtualNetworkId(getVni(ctx));
  67         eb.setAddress(new MacBuilder().setMac(deserializeData(buffer)).build());
  68         return eb.build();
  69     }
  70
  71     @Override
  72     protected Rloc deserializeRlocData(ByteBuffer buffer) {
  73         RlocBuilder rb = new RlocBuilder();
  74         rb.setAddressType(MacAfi.VALUE);
  75         rb.setVirtualNetworkId(null);
  76         rb.setAddress(new MacBuilder().setMac(deserializeData(buffer)).build());
  77         return rb.build();
  78     }
  79
  80     @Override
  81     protected SimpleAddress deserializeSimpleAddressData(ByteBuffer buffer, LispAddressSerializerContext ctx) {
  82         return new SimpleAddress(deserializeData(buffer));
  83     }
  84
  85     private static MacAddress deserializeData(ByteBuffer buffer) {
  86         byte[] macBuffer = new byte[6];
  87         buffer.get(macBuffer);
  88         return IetfYangUtil.INSTANCE.macAddressFor(macBuffer);
  89     }
  90
  91     private interface Length {
  92         int MAC = 6;
  93     }
  94 }