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/*
* Copyright (C) 2001-2019 Jacek Sieka, arnetheduck on gmail point com
* Copyright (C) 2020 Boris Pek <tehnick-8@yandex.ru>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "stdinc.h"
#include "TimerManager.h"
#include <chrono>
namespace dcpp {
using namespace std::chrono;
TimerManager::TimerManager() {
// This mutex will be unlocked only upon shutdown
mtx.lock();
}
TimerManager::~TimerManager() {
dcassert(listeners.empty());
}
void TimerManager::shutdown() {
mtx.unlock();
join();
}
int TimerManager::run() {
int nextMin = 0;
auto now = steady_clock::now();
auto nextSecond = now + seconds(1);
while(!mtx.try_lock_until(nextSecond)) {
uint64_t t = getTick();
now = steady_clock::now();
nextSecond += seconds(1);
if(nextSecond < now) {
nextSecond = now;
}
fire(TimerManagerListener::Second(), t);
if(nextMin++ >= 60) {
fire(TimerManagerListener::Minute(), t);
nextMin = 0;
}
}
mtx.unlock();
dcdebug("TimerManager done\n");
return 0;
}
uint64_t TimerManager::getTick() {
static auto start = steady_clock::now();
return (duration_cast<milliseconds>(steady_clock::now() - start)).count();
}
} // namespace dcpp
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