Time.h

// Copyright 2008 Michael Marsh, University of Maryland.
//
// This file is part of pydtn.
//
// pydtn is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// pydtn 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 pydtn.  If not, see <http://www.gnu.org/licenses/>.
//
// The views and conclusions contained in the software and documentation
// are those of the authors and should not be interpreted as representing
// official policies, either expressed or implied, of the University
// of Maryland.
//
// pydtn extends and embeds the Python interpreter, which is
// Copyright 2001-2006 Python Software Foundation, All Rights Reserved,
// and is released under the PSF License Agreement.
//
// RANLUX random number generation uses the Boost library,
// Copyright 1994-2006 by various authors (details in individual files),
// which is released under the Boost Software License, Version 1.0.

#ifndef __SIM_HARNESS_TIME_H__
#define __SIM_HARNESS_TIME_H__

#include "config.h"
#include <sys/time.h>
#include <iosfwd>


struct Time
{
      struct timeval  tv;
      Time(const struct timeval& t);
      Time(long sec = 0, long usec = 0);
      Time(const Time& t);

      void operator=(const Time& t);

      Time operator+(const Time& t) const;
      Time operator-(const Time& t) const;
      Time operator*(long s) const;
      Time operator/(long s) const;
      bool operator==(const Time& t) const;
      bool operator<(const Time& t) const;
      bool operator>(const Time& t) const;
      bool operator<=(const Time& t) const;
      bool operator>=(const Time& t) const;

      Time& operator+=(const Time& t);
      Time& operator-=(const Time& t);
      Time& operator*=(long s);

      void fix();
      static const long MILLION;
};

Time operator+(const struct timeval& a, const Time& b);
Time operator-(const struct timeval& a, const Time& b);
Time operator*(long a, const Time& b);

bool operator==(const struct timeval& a, const Time& b);
bool operator<(const struct timeval& a, const Time& b);
bool operator>(const struct timeval& a, const Time& b);

std::ostream& operator<<(std::ostream& stream, const Time& t);


#endif /* __SIM_HARNESS_TIME_H__ */

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