mirror of
https://github.com/matrix-construct/construct
synced 2024-07-05 01:58:35 +02:00
85 lines
2.2 KiB
C++
85 lines
2.2 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_DATE_H
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namespace ircd
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{
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using microtime_t = std::pair<time_t, int32_t>;
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microtime_t microtime();
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ssize_t microtime(char *const &buf, const size_t &size);
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std::ostream &operator<<(std::ostream &, const microtime_t &);
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template<class resolution = std::chrono::seconds> resolution now();
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template<class resolution = std::chrono::seconds> time_t time();
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}
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template<class resolution>
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time_t
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ircd::time()
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{
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return now<resolution>().count();
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}
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template<class resolution>
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resolution
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ircd::now()
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{
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const auto now
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{
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std::chrono::system_clock::now()
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};
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const auto tse
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{
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now.time_since_epoch()
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};
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return std::chrono::duration_cast<resolution>(tse);
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}
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inline std::ostream &
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ircd::operator<<(std::ostream &s, const microtime_t &t)
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{
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char buf[64];
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const size_t len(microtime(buf, sizeof(buf)));
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s << string_view{buf, len};
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return s;
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}
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inline ssize_t
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ircd::microtime(char *const &buf,
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const size_t &size)
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{
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const auto mt(microtime());
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return snprintf(buf, size, "%zd.%06d", mt.first, mt.second);
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}
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inline ircd::microtime_t
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ircd::microtime()
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{
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struct timeval tv;
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gettimeofday(&tv, nullptr);
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return { tv.tv_sec, tv.tv_usec };
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}
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