mirror of
https://github.com/matrix-construct/construct
synced 2024-10-30 02:18:58 +01:00
80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
/*
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* Copyright (C) 2016 Charybdis Development Team
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* Copyright (C) 2016 Jason Volk <jason@zemos.net>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#pragma once
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#define HAVE_IRCD_UTIL_TIMER_H
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#ifdef __cplusplus
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namespace ircd {
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inline namespace util {
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struct timer
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{
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using clock = std::chrono::steady_clock;
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clock::time_point start;
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clock::time_point stop;
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template<class duration = std::chrono::seconds> duration get() const;
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template<class duration = std::chrono::seconds> duration mark();
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timer(const std::function<void ()> &);
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timer();
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};
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inline
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timer::timer()
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:start{clock::now()}
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,stop{clock::time_point::min()}
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{
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}
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inline
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timer::timer(const std::function<void ()> &func)
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:timer{}
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{
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func();
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mark();
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}
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template<class duration>
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duration
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timer::mark()
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{
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stop = clock::now();
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return std::chrono::duration_cast<duration>(stop - start);
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}
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template<class duration>
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duration
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timer::get()
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const
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{
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static const auto min(clock::time_point::min());
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const clock::time_point stop(this->stop != min? this->stop : clock::now());
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return std::chrono::duration_cast<duration>(stop - start);
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}
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} // namespace util
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} // namespace ircd
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#endif // __cplusplus
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