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

/*

 * Copyright (c) 2006 INRIA

 * All rights reserved.

 *

 * 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 "ssid.h"

#include <cassert>

namespace ns3 {

Ssid::Ssid ()

{

  for (uint8_t i = 0; i < 33; i++) 

    {

      m_ssid[i] = 0;

    }

}

Ssid::Ssid (char const *ssid)

{

  uint8_t len = 0;

  while (*ssid != 0 && len < 32) 

    {

      m_ssid[len] = *ssid;

      ssid++;

      len++;

    }

  while (len < 33) 

    {

      m_ssid[len] = 0;

      len++;

    }

}

Ssid::Ssid (char const ssid[32], uint8_t length)

{

  assert (length <= 32);

  uint8_t len = 0;

  while (len < length) 

    {

      m_ssid[len] = ssid[len];

      len++;

    }

  while (len < 33) 

    {

      m_ssid[len] = 0;

      len++;

    }

}

bool 

Ssid::IsEqual (Ssid const &o) const

{

  uint8_t i = 0;

  while (i < 32 && 

         m_ssid[i] == o.m_ssid[i] &&

         m_ssid[i] != 0) 

    {

      i++;

    }

  if (m_ssid[i] != o.m_ssid[i]) 

    {

      return false;

    }

  return true;

}

bool 

Ssid::IsBroadcast (void) const

{

  if (m_ssid[0] == 0) 

    {

      return true;

    }

  return false;

}

uint32_t 

Ssid::GetLength (void) const

{

  uint8_t size = 0;

  while (m_ssid[size] != 0 && size < 32) 

    {

      size++;

    }

  assert (size <= 32);

  return size;

}

void

Ssid::Peek (uint8_t ssid[32]) const

{

  for (uint8_t i = 0; i < 32; i++) 

    {

      ssid[i] = m_ssid[i];

    }

}

void 

Ssid::Set (uint8_t ssid[32], uint32_t len)

{

  assert (len < 32);

  for (uint8_t i = 0; i < len; i++) 

    {

      m_ssid[i] = ssid[i];

    }

}

Ssid 

Ssid::GetBroadcast (void)

{

  return Ssid ("");

}

}; // namespace ns3