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

/*

 * Copyright (c) 2007 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 "uid-manager.h"

#include "fatal-error.h"

#include "assert.h"

namespace ns3 {

uint32_t 

UidManager::Allocate (std::string name)

{

  for (NameList::iterator i = m_nameList.begin (); i != m_nameList.end (); i++)

    {

      if ((*i) == name)

	{

	  NS_FATAL_ERROR ("Trying to allocate twice the same uid: " << name);

	}

    }

  m_nameList.push_back (name);

  return m_nameList.size ();

}

uint32_t 

UidManager::LookupByName (std::string name)

{

  uint32_t j = 0;

  for (NameList::iterator i = m_nameList.begin (); i != m_nameList.end (); i++)

    {

      j++;

      if ((*i) == name)

        {

          return j;

        }

    }

  return 0;

}

std::string 

UidManager::LookupByUid (uint32_t uid)

{

  NS_ASSERT (uid > 0);

  NS_ASSERT (m_nameList.size () >= uid);

  return m_nameList[uid-1];

}

} // namespace ns3