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

/*

 * Copyright (c) 2010 Universita' di Firenze, Italy

 *

 * 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: Tommaso Pecorella (tommaso.pecorella@unifi.it)

 * Author: Valerio Sartini (valesar@gmail.com)

 */

#include "ns3/object.h"

#include "ns3/topology-reader-helper.h"

#include "ns3/inet-topology-reader.h"

#include "ns3/orbis-topology-reader.h"

#include "ns3/log.h"

namespace ns3 {

NS_LOG_COMPONENT_DEFINE ("TopologyReaderHelper");

TopologyReaderHelper::TopologyReaderHelper ()

{

  m_inFile = 0;

}

void

TopologyReaderHelper::SetFileName (const std::string fileName)

{

  m_fileName = fileName;

}

void

TopologyReaderHelper::SetFileType (const std::string fileType)

{

  m_fileType = fileType;

}

Ptr<TopologyReader>

TopologyReaderHelper::GetTopologyReader ()

{

  if (!m_inFile)

    {

      NS_ASSERT_MSG (!m_fileType.empty (), "Missing File Type");

      NS_ASSERT_MSG (!m_fileName.empty (), "Missing File Name");

      if (m_fileType == "Orbis")

        {

          NS_LOG_INFO ("Creating Orbis formatted data input.");

          m_inFile = CreateObject<OrbisTopologyReader> ();

        }

      else if (m_fileType == "Inet")

        {

          NS_LOG_INFO ("Creating Inet formatted data input.");

          m_inFile = CreateObject<InetTopologyReader> ();

        }

      else

        {

          NS_ASSERT_MSG (false, "Wrong (unknown) File Type");

        }

      m_inFile->SetFileName (m_fileName);

    }

  return m_inFile;

}

} // namespace ns3