/* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2008-2009 Strasbourg University
 *
 * 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: Sebastien Vincent <vincent@clarinet.u-strasbg.fr>
 */

#ifndef PING6_HELPER_H
#define PING6_HELPER_H

#include <stdint.h>

#include "ns3/object-factory.h"
#include "ns3/ipv6-address.h"

#include "application-container.h"
#include "node-container.h"

namespace ns3 {

/**
 * \class Ping6Helper
 * \brief Ping6 application helper.
 */
class Ping6Helper
{
public:
  /**
   * \brief Constructor.
   */
  Ping6Helper ();

  /**
   * \brief Set the local IPv6 address.
   * \param ip local IPv6 address
   */
  void SetLocal (Ipv6Address ip);

  /**
   * \brief Set the remote IPv6 address.
   * \param ip remote IPv6 address
   */
  void SetRemote (Ipv6Address ip);

  /**
   * \brief Set some attributes.
   * \param name attribute name
   * \param value attribute value
   */
  void SetAttribute (std::string name, const AttributeValue& value);

  /**
   * \brief Install the application in Nodes.
   * \param c list of Nodes
   * \return application container
   */
  ApplicationContainer Install (NodeContainer c);

  /**
   * \brief Set the out interface index.
   * This is to send to link-local (unicast or multicast) address
   * when a node has multiple interfaces.
   * \param ifIndex interface index
   */
  void SetIfIndex (uint32_t ifIndex);


  /**
   * \brief Set routers addresses for routing type 0.
   * \param routers routers addresses
   */
  void SetRoutersAddress(std::vector<Ipv6Address> routers);

private:
  /**
   * \brief An object factory.
   */
  ObjectFactory m_factory;

  /**
   * \brief The local IPv6 address.
   */
  Ipv6Address m_localIp;

  /**
   * \brief The remote IPv6 address.
   */
  Ipv6Address m_remoteIp;

  /**
   * \brief Out interface index.                       
   */
  uint32_t m_ifIndex;

  /**
   * \brief Routers addresses.
   */
  std::vector<Ipv6Address> m_routers;
};

} /* namespace ns3 */

#endif /* PING6_HELPER_H */

