forked from premiere/premiere-libtorrent
409 lines
12 KiB
C++
409 lines
12 KiB
C++
/*
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Copyright (c) 2007, Arvid Norberg
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING 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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#ifndef TORRENT_TIME_HPP_INCLUDED
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#define TORRENT_TIME_HPP_INCLUDED
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#include <ctime>
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#include <boost/version.hpp>
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#include "libtorrent/config.hpp"
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#ifndef _WIN32
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#include <unistd.h>
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#endif
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namespace libtorrent
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{
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inline char const* time_now_string()
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{
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time_t t = std::time(0);
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tm* timeinfo = std::localtime(&t);
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static char str[200];
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std::strftime(str, 200, "%b %d %X", timeinfo);
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return str;
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}
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std::string log_time();
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}
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#if defined TORRENT_USE_BOOST_DATE_TIME
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#include <boost/date_time/posix_time/posix_time_types.hpp>
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#include "libtorrent/assert.hpp"
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namespace libtorrent
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{
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typedef boost::posix_time::ptime ptime;
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typedef boost::posix_time::time_duration time_duration;
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inline ptime time_now_hires()
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{ return boost::posix_time::microsec_clock::universal_time(); }
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inline ptime min_time()
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{ return boost::posix_time::ptime(boost::posix_time::min_date_time); }
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inline ptime max_time()
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{ return boost::posix_time::ptime(boost::posix_time::max_date_time); }
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inline time_duration seconds(int s) { return boost::posix_time::seconds(s); }
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inline time_duration milliseconds(int s) { return boost::posix_time::milliseconds(s); }
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inline time_duration microsec(int s) { return boost::posix_time::microsec(s); }
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inline time_duration minutes(int s) { return boost::posix_time::minutes(s); }
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inline time_duration hours(int s) { return boost::posix_time::hours(s); }
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inline int total_seconds(time_duration td)
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{ return td.total_seconds(); }
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inline int total_milliseconds(time_duration td)
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{ return td.total_milliseconds(); }
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inline boost::int64_t total_microseconds(time_duration td)
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{ return td.total_microseconds(); }
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}
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#else // TORRENT_USE_BOOST_DATE_TIME
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#if BOOST_VERSION < 103500
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#include <asio/time_traits.hpp>
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#else
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#include <boost/asio/time_traits.hpp>
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#endif
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#include <boost/cstdint.hpp>
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#include "libtorrent/assert.hpp"
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namespace libtorrent
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{
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// libtorrent time_duration type
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struct time_duration
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{
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time_duration() {}
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time_duration operator/(int rhs) const { return time_duration(diff / rhs); }
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explicit time_duration(boost::int64_t d) : diff(d) {}
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time_duration& operator-=(time_duration const& c) { diff -= c.diff; return *this; }
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time_duration& operator+=(time_duration const& c) { diff += c.diff; return *this; }
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time_duration operator+(time_duration const& c) { return time_duration(diff + c.diff); }
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time_duration operator-(time_duration const& c) { return time_duration(diff - c.diff); }
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boost::int64_t diff;
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};
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inline bool is_negative(time_duration dt) { return dt.diff < 0; }
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inline bool operator==(time_duration lhs, time_duration rhs)
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{ return lhs.diff == rhs.diff; }
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inline bool operator<(time_duration lhs, time_duration rhs)
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{ return lhs.diff < rhs.diff; }
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inline bool operator<=(time_duration lhs, time_duration rhs)
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{ return lhs.diff <= rhs.diff; }
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inline bool operator>(time_duration lhs, time_duration rhs)
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{ return lhs.diff > rhs.diff; }
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inline bool operator>=(time_duration lhs, time_duration rhs)
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{ return lhs.diff >= rhs.diff; }
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inline time_duration operator*(time_duration lhs, int rhs)
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{ return time_duration(boost::int64_t(lhs.diff * rhs)); }
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inline time_duration operator*(int lhs, time_duration rhs)
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{ return time_duration(boost::int64_t(lhs * rhs.diff)); }
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// libtorrent time type
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struct ptime
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{
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ptime() {}
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explicit ptime(boost::uint64_t t): time(t) {}
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ptime& operator+=(time_duration rhs) { time += rhs.diff; return *this; }
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ptime& operator-=(time_duration rhs) { time -= rhs.diff; return *this; }
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boost::uint64_t time;
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};
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inline bool operator>(ptime lhs, ptime rhs)
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{ return lhs.time > rhs.time; }
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inline bool operator>=(ptime lhs, ptime rhs)
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{ return lhs.time >= rhs.time; }
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inline bool operator<=(ptime lhs, ptime rhs)
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{ return lhs.time <= rhs.time; }
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inline bool operator<(ptime lhs, ptime rhs)
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{ return lhs.time < rhs.time; }
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inline bool operator!=(ptime lhs, ptime rhs)
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{ return lhs.time != rhs.time;}
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inline bool operator==(ptime lhs, ptime rhs)
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{ return lhs.time == rhs.time;}
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inline time_duration operator-(ptime lhs, ptime rhs)
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{ return time_duration(lhs.time - rhs.time); }
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inline ptime operator+(ptime lhs, time_duration rhs)
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{ return ptime(lhs.time + rhs.diff); }
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inline ptime operator+(time_duration lhs, ptime rhs)
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{ return ptime(rhs.time + lhs.diff); }
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inline ptime operator-(ptime lhs, time_duration rhs)
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{ return ptime(lhs.time - rhs.diff); }
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ptime time_now_hires();
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inline ptime min_time() { return ptime(0); }
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inline ptime max_time() { return ptime((std::numeric_limits<boost::uint64_t>::max)()); }
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int total_seconds(time_duration td);
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int total_milliseconds(time_duration td);
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boost::int64_t total_microseconds(time_duration td);
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}
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// asio time_traits
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#if BOOST_VERSION >= 103500
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namespace boost {
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#endif
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namespace asio
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{
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template<>
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struct time_traits<libtorrent::ptime>
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{
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typedef libtorrent::ptime time_type;
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typedef libtorrent::time_duration duration_type;
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static time_type now()
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{ return time_type(libtorrent::time_now_hires()); }
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static time_type add(time_type t, duration_type d)
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{ return time_type(t.time + d.diff);}
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static duration_type subtract(time_type t1, time_type t2)
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{ return duration_type(t1 - t2); }
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static bool less_than(time_type t1, time_type t2)
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{ return t1 < t2; }
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static boost::posix_time::time_duration to_posix_duration(
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duration_type d)
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{ return boost::posix_time::microseconds(libtorrent::total_microseconds(d)); }
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};
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}
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#if BOOST_VERSION >= 103500
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}
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#endif
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#if defined TORRENT_USE_ABSOLUTE_TIME
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#include <mach/mach_time.h>
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#include <boost/cstdint.hpp>
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#include "libtorrent/assert.hpp"
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// high precision timer for darwin intel and ppc
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namespace libtorrent
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{
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inline int total_seconds(time_duration td)
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{
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return td.diff / 1000000;
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}
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inline int total_milliseconds(time_duration td)
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{
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return td.diff / 1000;
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}
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inline boost::int64_t total_microseconds(time_duration td)
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{
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return td.diff;
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}
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inline ptime time_now_hires()
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{
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static mach_timebase_info_data_t timebase_info = {0,0};
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if (timebase_info.denom == 0)
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mach_timebase_info(&timebase_info);
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boost::uint64_t at = mach_absolute_time();
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// make sure we don't overflow
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TORRENT_ASSERT((at >= 0 && at >= at / 1000 * timebase_info.numer / timebase_info.denom)
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|| (at < 0 && at < at / 1000 * timebase_info.numer / timebase_info.denom));
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return ptime(at / 1000 * timebase_info.numer / timebase_info.denom);
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}
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inline time_duration microsec(boost::int64_t s)
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{
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return time_duration(s);
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}
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inline time_duration milliseconds(boost::int64_t s)
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{
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return time_duration(s * 1000);
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}
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inline time_duration seconds(boost::int64_t s)
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{
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return time_duration(s * 1000000);
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}
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inline time_duration minutes(boost::int64_t s)
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{
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return time_duration(s * 1000000 * 60);
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}
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inline time_duration hours(boost::int64_t s)
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{
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return time_duration(s * 1000000 * 60 * 60);
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}
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}
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#elif defined TORRENT_USE_QUERY_PERFORMANCE_TIMER
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#ifndef WIN32_LEAN_AND_MEAN
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#define WIN32_LEAN_AND_MEAN
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#endif
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#include <windows.h>
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#include "libtorrent/assert.hpp"
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namespace libtorrent
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{
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namespace aux
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{
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inline boost::int64_t performance_counter_to_microseconds(boost::int64_t pc)
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{
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static LARGE_INTEGER performace_counter_frequency = {0,0};
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if (performace_counter_frequency.QuadPart == 0)
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QueryPerformanceFrequency(&performace_counter_frequency);
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#ifdef TORRENT_DEBUG
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// make sure we don't overflow
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boost::int64_t ret = (pc * 1000 / performace_counter_frequency.QuadPart) * 1000;
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TORRENT_ASSERT((pc >= 0 && pc >= ret) || (pc < 0 && pc < ret));
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#endif
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return (pc * 1000 / performace_counter_frequency.QuadPart) * 1000;
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}
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inline boost::int64_t microseconds_to_performance_counter(boost::int64_t ms)
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{
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static LARGE_INTEGER performace_counter_frequency = {0,0};
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if (performace_counter_frequency.QuadPart == 0)
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QueryPerformanceFrequency(&performace_counter_frequency);
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#ifdef TORRENT_DEBUG
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// make sure we don't overflow
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boost::int64_t ret = (ms / 1000) * performace_counter_frequency.QuadPart / 1000;
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TORRENT_ASSERT((ms >= 0 && ms <= ret)
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|| (ms < 0 && ms > ret));
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#endif
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return (ms / 1000) * performace_counter_frequency.QuadPart / 1000;
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}
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}
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inline int total_seconds(time_duration td)
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{
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return int(aux::performance_counter_to_microseconds(td.diff)
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/ 1000000);
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}
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inline int total_milliseconds(time_duration td)
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{
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return int(aux::performance_counter_to_microseconds(td.diff)
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/ 1000);
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}
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inline boost::int64_t total_microseconds(time_duration td)
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{
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return aux::performance_counter_to_microseconds(td.diff);
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}
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inline ptime time_now_hires()
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{
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LARGE_INTEGER now;
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QueryPerformanceCounter(&now);
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return ptime(now.QuadPart);
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}
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inline time_duration microsec(boost::int64_t s)
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{
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return time_duration(aux::microseconds_to_performance_counter(s));
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}
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inline time_duration milliseconds(boost::int64_t s)
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{
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return time_duration(aux::microseconds_to_performance_counter(
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s * 1000));
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}
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inline time_duration seconds(boost::int64_t s)
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{
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return time_duration(aux::microseconds_to_performance_counter(
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s * 1000000));
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}
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inline time_duration minutes(boost::int64_t s)
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{
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return time_duration(aux::microseconds_to_performance_counter(
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s * 1000000 * 60));
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}
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inline time_duration hours(boost::int64_t s)
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{
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return time_duration(aux::microseconds_to_performance_counter(
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s * 1000000 * 60 * 60));
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}
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}
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#elif defined TORRENT_USE_CLOCK_GETTIME
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#include <time.h>
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#include "libtorrent/assert.hpp"
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namespace libtorrent
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{
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inline int total_seconds(time_duration td)
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{
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return td.diff / 1000000;
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}
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inline int total_milliseconds(time_duration td)
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{
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return td.diff / 1000;
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}
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inline boost::int64_t total_microseconds(time_duration td)
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{
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return td.diff;
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}
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inline ptime time_now_hires()
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{
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timespec ts;
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clock_gettime(CLOCK_MONOTONIC, &ts);
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return ptime(boost::uint64_t(ts.tv_sec) * 1000000 + ts.tv_nsec / 1000);
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}
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inline time_duration microsec(boost::int64_t s)
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{
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return time_duration(s);
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}
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inline time_duration milliseconds(boost::int64_t s)
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{
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return time_duration(s * 1000);
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}
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inline time_duration seconds(boost::int64_t s)
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{
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return time_duration(s * 1000000);
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}
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inline time_duration minutes(boost::int64_t s)
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{
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return time_duration(s * 1000000 * 60);
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}
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inline time_duration hours(boost::int64_t s)
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{
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return time_duration(s * 1000000 * 60 * 60);
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}
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}
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#endif // TORRENT_USE_CLOCK_GETTIME
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#endif // TORRENT_USE_BOOST_DATE_TIME
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namespace libtorrent
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{
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namespace aux
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{
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extern ptime g_current_time;
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}
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inline ptime const& time_now() { return aux::g_current_time; }
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}
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#endif // TORRENT_TIME_HPP_INCLUDED
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