mirror of https://github.com/aria2/aria2
176 lines
3.8 KiB
C++
176 lines
3.8 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2010 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#include "TimerA2.h"
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#include <cassert>
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#include "util.h"
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namespace aria2 {
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Timer::Timer()
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{
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reset();
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}
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Timer::Timer(const Timer& timer):tv_(timer.tv_) {}
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Timer::Timer(time_t sec)
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{
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reset(sec);
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}
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Timer::Timer(const struct timeval& tv):tv_(tv) {}
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static bool useClockGettime()
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{
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static timespec ts;
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static int r = clock_gettime(CLOCK_MONOTONIC, &ts);
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return r == 0;
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}
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Timer& Timer::operator=(const Timer& timer)
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{
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if(this != &timer) {
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tv_ = timer.tv_;
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}
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return *this;
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}
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bool Timer::operator<(const Timer& timer) const
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{
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return util::difftv(timer.tv_, tv_) > 0;
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}
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bool Timer::operator<=(const Timer& timer) const
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{
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return util::difftv(timer.tv_, tv_) >= 0;
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}
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bool Timer::operator>(const Timer& timer) const
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{
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return util::difftv(tv_, timer.tv_) > 0;
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}
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static timeval getCurrentTime()
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{
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timeval tv;
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if(useClockGettime()) {
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timespec ts;
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int r = clock_gettime(CLOCK_MONOTONIC, &ts);
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assert(r == 0);
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tv.tv_sec = ts.tv_sec+2678400; // 1month offset(24*3600*31)
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tv.tv_usec = ts.tv_nsec/1000;
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} else {
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gettimeofday(&tv, 0);
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}
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return tv;
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}
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void Timer::reset()
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{
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tv_ = getCurrentTime();
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}
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void Timer::reset(time_t sec)
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{
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tv_.tv_sec = sec;
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tv_.tv_usec = 0;
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}
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bool Timer::elapsed(time_t sec) const
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{
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return
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util::difftv(getCurrentTime(), tv_) >= static_cast<int64_t>(sec)*1000000;
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}
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bool Timer::elapsedInMillis(int64_t millis) const
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{
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return util::difftv(getCurrentTime(), tv_)/1000 >= millis;
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}
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time_t Timer::difference() const
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{
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return util::difftv(getCurrentTime(), tv_)/1000000;
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}
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time_t Timer::difference(const timeval& tv) const
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{
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return util::difftv(tv, tv_)/1000000;
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}
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int64_t Timer::differenceInMillis() const
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{
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return util::difftv(getCurrentTime(), tv_)/1000;
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}
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int64_t Timer::differenceInMillis(const timeval& tv) const
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{
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return util::difftv(tv, tv_)/1000;
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}
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bool Timer::isZero() const
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{
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return tv_.tv_sec == 0 && tv_.tv_usec == 0;
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}
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int64_t Timer::getTimeInMicros() const
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{
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return (int64_t)tv_.tv_sec*1000*1000+tv_.tv_usec;
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}
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int64_t Timer::getTimeInMillis() const
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{
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return (int64_t)tv_.tv_sec*1000+tv_.tv_usec/1000;
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}
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time_t Timer::getTime() const
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{
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return tv_.tv_sec;
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}
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void Timer::advance(time_t sec)
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{
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tv_.tv_sec += sec;
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}
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bool Timer::monotonicClock()
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{
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return useClockGettime();
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}
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} // namespace aria2
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