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/*
* Copyright (C) 2001-2008 Jacek Sieka, arnetheduck on gmail point com
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "stdinc.h"
#include "DCPlusPlus.h"
#include "TimerManager.h"
namespace dcpp {
#ifdef _WIN32
DWORD TimerManager::lastTick = 0;
uint32_t TimerManager::cycles = 0;
FastCriticalSection TimerManager::cs;
#else
timeval TimerManager::tv;
#endif
int TimerManager::run() {
int nextMin = 0;
uint64_t x = getTick();
uint64_t nextTick = x + 1000;
while(!s.wait(nextTick > x ? nextTick - x : 0)) {
uint32_t z = getTick();
nextTick = z + 1000;
fire(TimerManagerListener::Second(), z);
if(nextMin++ >= 60) {
fire(TimerManagerListener::Minute(), z);
nextMin = 0;
}
x = getTick();
}
return 0;
}
uint64_t TimerManager::getTick() {
#ifdef _WIN32
FastLock l(cs);
DWORD tick = ::GetTickCount();
if(tick < lastTick) {
cycles++;
}
lastTick = tick;
return static_cast<uint64_t>(cycles) * (static_cast<uint64_t>(std::numeric_limits<DWORD>::max()) + 1) + tick;
#else
timeval tv2;
gettimeofday(&tv2, NULL);
/// @todo check conversions to use uint64_t fully
return static_cast<uint64_t>(((tv2.tv_sec - tv.tv_sec) * 1000 ) + ( (tv2.tv_usec - tv.tv_usec) / 1000));
#endif
}
} // namespace dcpp
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