mappingservice/lisp-proto/src/main/java/org/opendaylight/lispflowmapping/lisp/serializer/address/Ipv4Serializer.java

   1 /*
   2  * Copyright (c) 2015 Cisco Systems, Inc.  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.net.Inet4Address;
  11 import java.net.InetAddress;
  12 import java.net.UnknownHostException;
  13 import java.nio.ByteBuffer;
  14
  15 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.iana.afn.safi.rev130704.AddressFamily;
  16 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.Ipv4Address;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv4Afi;
  19 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.LispAddress;
  20 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.SimpleAddress;
  21 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv4;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv4Builder;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.Eid;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.EidBuilder;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.rloc.container.Rloc;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.rloc.container.RlocBuilder;
  27
  28 /**
  29  * @author Lorand Jakab
  30  *
  31  */
  32 public class Ipv4Serializer extends LispAddressSerializer {
  33
  34     private static final Ipv4Serializer INSTANCE = new Ipv4Serializer();
  35
  36     // Private constructor prevents instantiation from other classes
  37     private Ipv4Serializer() {
  38     }
  39
  40     public static Ipv4Serializer getInstance() {
  41         return INSTANCE;
  42     }
  43
  44     @Override
  45     public int getAddressSize(LispAddress lispAddress) {
  46         return Length.IPV4;
  47     }
  48
  49     @Override
  50     public int getAddressSize(SimpleAddress simpleAddress) {
  51         return Length.IPV4;
  52     }
  53
  54     @Override
  55     protected short getAfi() {
  56         return (short) AddressFamily.IpV4.getIntValue();
  57     }
  58
  59     @Override
  60     protected void serializeData(ByteBuffer buffer, LispAddress lispAddress) {
  61         Ipv4 address = (Ipv4) lispAddress.getAddress();
  62         try {
  63             buffer.put(Inet4Address.getByName(address.getIpv4().getValue()).getAddress());
  64         } catch (UnknownHostException e) {
  65         }
  66     }
  67
  68     @Override
  69     protected void serializeData(ByteBuffer buffer, SimpleAddress address) {
  70         try {
  71             buffer.put(Inet4Address.getByName(address.getIpAddress().getIpv4Address().getValue()).getAddress());
  72         } catch (UnknownHostException e) {
  73         }
  74     }
  75
  76     @Override
  77     protected Eid deserializeEidData(ByteBuffer buffer, LispAddressSerializerContext ctx) {
  78         EidBuilder eb = new EidBuilder();
  79         eb.setAddressType(Ipv4Afi.class);
  80         eb.setVirtualNetworkId(getVni(ctx));
  81         eb.setAddress(new Ipv4Builder().setIpv4(deserializeData(buffer)).build());
  82         return eb.build();
  83     }
  84
  85     @Override
  86     protected Rloc deserializeRlocData(ByteBuffer buffer) {
  87         RlocBuilder rb = new RlocBuilder();
  88         rb.setAddressType(Ipv4Afi.class);
  89         rb.setVirtualNetworkId(null);
  90         rb.setAddress(new Ipv4Builder().setIpv4(deserializeData(buffer)).build());
  91         return rb.build();
  92     }
  93
  94     @Override
  95     protected SimpleAddress deserializeSimpleAddressData(ByteBuffer buffer, LispAddressSerializerContext ctx) {
  96         return new SimpleAddress(new IpAddress(deserializeData(buffer)));
  97     }
  98
  99     private Ipv4Address deserializeData(ByteBuffer buffer) {
 100         byte[] ipBuffer = new byte[4];
 101         InetAddress address = null;
 102         buffer.get(ipBuffer);
 103         try {
 104             address = InetAddress.getByAddress(ipBuffer);
 105         } catch (UnknownHostException e) {
 106         }
 107         return new Ipv4Address(address.getHostAddress());
 108     }
 109
 110     protected interface Length {
 111         int IPV4 = 4;
 112     }
 113
 114 }