/*
 * Copyright (c) 2009-2011 Juli Mallett. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef	COMMON_TIMER_TIMER_H
#define	COMMON_TIMER_TIMER_H

class Timer {
	uintmax_t start_;
	uintmax_t stop_;

	std::vector<uintmax_t> samples_;
public:
	Timer(void)
	: start_(),
	  stop_(),
	  samples_()
	{ }

	~Timer()
	{ }

	void reset(void)
	{
		samples_.clear();
	}

	void start(void);
	void stop(void);

	uintmax_t sample(void) const
	{
		if (samples_.size() != 1)
			HALT("/timer") << "Requested 1 sample but " << samples_.size() << " available.";
		return (samples_[0]);
	}

	std::vector<uintmax_t> samples(void) const
	{
		return (samples_);
	}
};

#endif /* !COMMON_TIMER_TIMER_H */