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

/*

 * Copyright (c) 2007 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>

 */

#ifndef WATCHDOG_H

#define WATCHDOG_H

#include "nstime.h"

#include "event-id.h"

namespace ns3 {

class TimerImpl;

class Watchdog 

{

public:

  Watchdog ();

  ~Watchdog ();

  void Ping (Time delay);

  /**

   * \param fn the function

   *

   * Store this function in this Timer for later use by Timer::Schedule.

   */

  template <typename FN>

  void SetFunction (FN fn);

  /**

   * \param memPtr the member function pointer

   * \param objPtr the pointer to object

   *

   * Store this function and object in this Timer for later use by Timer::Schedule.

   */

  template <typename MEM_PTR, typename OBJ_PTR>

  void SetFunction (MEM_PTR memPtr, OBJ_PTR objPtr);

  /**

   * \param a1 the first argument

   *

   * Store this argument in this Timer for later use by Timer::Schedule.

   */

  template <typename T1>

  void SetArguments (T1 a1);

  /**

   * \param a1 the first argument

   * \param a2 the second argument

   *

   * Store these arguments in this Timer for later use by Timer::Schedule.

   */

  template <typename T1, typename T2>

  void SetArguments (T1 a1, T2 a2);

  /**

   * \param a1 the first argument

   * \param a2 the second argument

   * \param a3 the third argument

   *

   * Store these arguments in this Timer for later use by Timer::Schedule.

   */

  template <typename T1, typename T2, typename T3>

  void SetArguments (T1 a1, T2 a2, T3 a3);

  /**

   * \param a1 the first argument

   * \param a2 the second argument

   * \param a3 the third argument

   * \param a4 the fourth argument

   *

   * Store these arguments in this Timer for later use by Timer::Schedule.

   */

  template <typename T1, typename T2, typename T3, typename T4>

  void SetArguments (T1 a1, T2 a2, T3 a3, T4 a4);

  /**

   * \param a1 the first argument

   * \param a2 the second argument

   * \param a3 the third argument

   * \param a4 the fourth argument

   * \param a5 the fifth argument

   *

   * Store these arguments in this Timer for later use by Timer::Schedule.

   */

  template <typename T1, typename T2, typename T3, typename T4, typename T5>

  void SetArguments (T1 a1, T2 a2, T3 a3, T4 a4, T5 a5);

  /**

   * \param a1 the first argument

   * \param a2 the second argument

   * \param a3 the third argument

   * \param a4 the fourth argument

   * \param a5 the fifth argument

   * \param a6 the sixth argument

   *

   * Store these arguments in this Timer for later use by Timer::Schedule.

   */

  template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>

  void SetArguments (T1 a1, T2 a2, T3 a3, T4 a4, T5 a5, T6 a6);

private:

  void Expire (void);

  TimerImpl *m_impl;

  EventId m_event;

  Time m_end;

};

} // namespace ns3

#include "timer-impl.h"

namespace ns3 {

template <typename FN>

void 

Watchdog::SetFunction (FN fn)

{

  delete m_impl;

  m_impl = MakeTimerImpl (fn);

}

template <typename MEM_PTR, typename OBJ_PTR>

void 

Watchdog::SetFunction (MEM_PTR memPtr, OBJ_PTR objPtr)

{

  delete m_impl;

  m_impl = MakeTimerImpl (memPtr, objPtr);

}

template <typename T1>

void 

Watchdog::SetArguments (T1 a1)

{

  if (m_impl == 0)

    {

      NS_FATAL_ERROR ("You cannot set the arguments of a Watchdog before setting its function.");

      return;

    }

  m_impl->SetArgs (a1);

}

template <typename T1, typename T2>

void 

Watchdog::SetArguments (T1 a1, T2 a2)

{

  if (m_impl == 0)

    {

      NS_FATAL_ERROR ("You cannot set the arguments of a Watchdog before setting its function.");

      return;

    }

  m_impl->SetArgs (a1, a2);

}

template <typename T1, typename T2, typename T3>

void 

Watchdog::SetArguments (T1 a1, T2 a2, T3 a3)

{

  if (m_impl == 0)

    {

      NS_FATAL_ERROR ("You cannot set the arguments of a Watchdog before setting its function.");

      return;

    }

  m_impl->SetArgs (a1, a2, a3);

}

template <typename T1, typename T2, typename T3, typename T4>

void 

Watchdog::SetArguments (T1 a1, T2 a2, T3 a3, T4 a4)

{

  if (m_impl == 0)

    {

      NS_FATAL_ERROR ("You cannot set the arguments of a Watchdog before setting its function.");

      return;

    }

  m_impl->SetArgs (a1, a2, a3, a4);

}

template <typename T1, typename T2, typename T3, typename T4, typename T5>

void 

Watchdog::SetArguments (T1 a1, T2 a2, T3 a3, T4 a4, T5 a5)

{

  if (m_impl == 0)

    {

      NS_FATAL_ERROR ("You cannot set the arguments of a Watchdog before setting its function.");

      return;

    }

  m_impl->SetArgs (a1, a2, a3, a4, a5);

}

template <typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>

void 

Watchdog::SetArguments (T1 a1, T2 a2, T3 a3, T4 a4, T5 a5, T6 a6)

{

  if (m_impl == 0)

    {

      NS_FATAL_ERROR ("You cannot set the arguments of a Watchdog before setting its function.");

      return;

    }

  m_impl->SetArgs (a1, a2, a3, a4, a5, a6);

}

} // namespace ns3

#endif /* WATCHDOG_H */