140 lines
4.9 KiB
C++
140 lines
4.9 KiB
C++
/*
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Copyright (c) 2009-2013, 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_PTIME_HPP_INCLUDED
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#define TORRENT_PTIME_HPP_INCLUDED
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#include "libtorrent/config.hpp"
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#include <string>
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#if defined TORRENT_USE_BOOST_DATE_TIME
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#include <boost/assert.hpp>
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#include <boost/date_time/posix_time/ptime.hpp>
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#include <boost/date_time/posix_time/posix_time_duration.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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}
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#else // TORRENT_USE_BOOST_DATE_TIME
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#include <boost/cstdint.hpp>
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namespace libtorrent
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{
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// libtorrent time_duration type
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struct TORRENT_EXPORT time_duration
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{
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// hidden
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time_duration() {}
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// all operators have the same semantics as a 64 bit signed integer
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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)
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{ diff -= c.diff; return *this; }
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time_duration& operator+=(time_duration const& c)
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{ diff += c.diff; return *this; }
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time_duration& operator*=(int v) { diff *= v; return *this; }
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time_duration operator+(time_duration const& c)
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{ return time_duration(diff + c.diff); }
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time_duration operator-(time_duration const& c)
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{ return time_duration(diff - c.diff); }
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// internal
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boost::int64_t diff;
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};
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// This type represents a point in time.
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struct TORRENT_EXPORT ptime
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{
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// hidden
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ptime() {}
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explicit ptime(boost::uint64_t t): time(t) {}
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// these operators have the same semantics as signed 64 bit integers
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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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// internal
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boost::uint64_t time;
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};
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// returns true of the time duration is less than 0
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inline bool is_negative(time_duration dt) { return dt.diff < 0; }
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// all operators have the same semantics as signed 64 bit integers
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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 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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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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}
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#endif // TORRENT_USE_BOOST_DATE_TIME
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#endif
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