mappingservice/lisp-proto/src/main/java/org/opendaylight/lispflowmapping/lisp/serializer/address/Ipv6Serializer.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 com.google.common.net.InetAddresses;
  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.rev130715.IpAddress;
  17 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv6Address;
  18 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.Ipv6Afi;
  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.Ipv6;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.lisp.address.types.rev151105.lisp.address.address.Ipv6Builder;
  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 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 /**
  31  * Class to (de)serialize IPv6 addresses from/to String representation.
  32  *
  33  * @author Lorand Jakab
  34  *
  35  */
  36 public final class Ipv6Serializer extends LispAddressSerializer {
  37
  38     protected static final Logger LOG = LoggerFactory.getLogger(Ipv6Serializer.class);
  39
  40     private static final Ipv6Serializer INSTANCE = new Ipv6Serializer();
  41
  42     // Private constructor prevents instantiation from other classes
  43     private Ipv6Serializer() {
  44     }
  45
  46     public static Ipv6Serializer getInstance() {
  47         return INSTANCE;
  48     }
  49
  50     @Override
  51     public int getAddressSize(LispAddress lispAddress) {
  52         return Length.IPV6;
  53     }
  54
  55     @Override
  56     public int getAddressSize(SimpleAddress simpleAddress) {
  57         return Length.IPV6;
  58     }
  59
  60     @Override
  61     protected short getAfi() {
  62         return (short) AddressFamily.IpV6.getIntValue();
  63     }
  64
  65     @Override
  66     protected void serializeData(ByteBuffer buffer, LispAddress lispAddress) {
  67         Ipv6 address = (Ipv6) lispAddress.getAddress();
  68         buffer.put(InetAddresses.forString(address.getIpv6().getValue()).getAddress());
  69     }
  70
  71     @Override
  72     protected void serializeData(ByteBuffer buffer, SimpleAddress address) {
  73         buffer.put(InetAddresses.forString(address.getIpAddress().getIpv6Address().getValue()).getAddress());
  74     }
  75
  76     @Override
  77     protected Eid deserializeEidData(ByteBuffer buffer, LispAddressSerializerContext ctx) {
  78         EidBuilder eb = new EidBuilder();
  79         eb.setAddressType(Ipv6Afi.class);
  80         eb.setVirtualNetworkId(getVni(ctx));
  81         eb.setAddress(new Ipv6Builder().setIpv6(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(Ipv6Afi.class);
  89         rb.setVirtualNetworkId(null);
  90         rb.setAddress(new Ipv6Builder().setIpv6(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 static Ipv6Address deserializeData(ByteBuffer buffer) {
 100         byte[] ipBuffer = new byte[16];
 101         InetAddress address = null;
 102         buffer.get(ipBuffer);
 103         try {
 104             address = InetAddress.getByAddress(ipBuffer);
 105         } catch (UnknownHostException e) {
 106             LOG.debug("Unknown host {}", ipBuffer, e);
 107         }
 108         return new Ipv6Address(address.getHostAddress());
 109     }
 110
 111     protected interface Length {
 112         int IPV6 = 16;
 113     }
 114
 115 }