/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */

/*

 * Copyright (c) 2006 INRIA

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation;

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 * Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>

 */

#include "address-utils.h"

#include "inet-socket-address.h"

#include "ns3/log.h"

NS_LOG_COMPONENT_DEFINE ("AddressUtils");

namespace ns3 {

void WriteTo (Buffer::Iterator &i, Ipv4Address ad)

{

  NS_LOG_FUNCTION (&i << &ad);

  i.WriteHtonU32 (ad.Get ());

}

void WriteTo (Buffer::Iterator &i, Ipv6Address ad)

{

  NS_LOG_FUNCTION (&i << &ad);

  uint8_t buf[16];

  ad.GetBytes (buf);

  i.Write (buf, 16);

}

void WriteTo (Buffer::Iterator &i, const Address &ad)

{

  NS_LOG_FUNCTION (&i << &ad);

  uint8_t mac[Address::MAX_SIZE];

  ad.CopyTo (mac);

  i.Write (mac, ad.GetLength ());

}

void WriteTo (Buffer::Iterator &i, Mac48Address ad)

{

  NS_LOG_FUNCTION (&i << &ad);

  uint8_t mac[6];

  ad.CopyTo (mac);

  i.Write (mac, 6);

}

void ReadFrom (Buffer::Iterator &i, Ipv4Address &ad)

{

  NS_LOG_FUNCTION (&i << &ad);

  ad.Set (i.ReadNtohU32 ());

}

void ReadFrom (Buffer::Iterator &i, Ipv6Address &ad)

{

  NS_LOG_FUNCTION (&i << &ad);

  uint8_t ipv6[16];

  i.Read (ipv6, 16);

  ad.Set (ipv6);

}

void ReadFrom (Buffer::Iterator &i, Address &ad, uint32_t len)

{

  NS_LOG_FUNCTION (&i << &ad << len);

  uint8_t mac[Address::MAX_SIZE];

  i.Read (mac, len);

  ad.CopyFrom (mac, len);

}

void ReadFrom (Buffer::Iterator &i, Mac48Address &ad)

{

  NS_LOG_FUNCTION (&i << &ad);

  uint8_t mac[6];

  i.Read (mac, 6);

  ad.CopyFrom (mac);

}

namespace addressUtils {

bool IsMulticast (const Address &ad)

{

  NS_LOG_FUNCTION (&ad);

  if (InetSocketAddress::IsMatchingType (ad))

    {

      InetSocketAddress inetAddr = InetSocketAddress::ConvertFrom (ad);

      Ipv4Address ipv4 = inetAddr.GetIpv4 ();

      return ipv4.IsMulticast ();

    }

  // IPv6 case can go here, in future

  return false;

}

} // namespace addressUtils

} // namespace ns3