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81 lines
1.5 KiB
C++
81 lines
1.5 KiB
C++
// Copyright 2005-2016 The Mumble Developers. All rights reserved.
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// Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file at the root of the
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// Mumble source tree or at <https://www.mumble.info/LICENSE>.
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#include "murmur_pch.h"
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#include "Timer.h"
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Timer::Timer(bool start) {
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uiStart = start ? now() : 0;
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}
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quint64 Timer::elapsed() const {
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Q_ASSERT(uiStart != 0);
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return now() - uiStart;
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}
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bool Timer::isElapsed(quint64 us) {
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Q_ASSERT(uiStart != 0);
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if (elapsed() > us) {
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uiStart += us;
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return true;
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}
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return false;
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}
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quint64 Timer::restart() {
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quint64 n = now();
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quint64 e = n - uiStart;
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uiStart = n;
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return e;
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}
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bool Timer::isStarted() const {
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return uiStart != 0;
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}
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bool Timer::operator<(const Timer &other) const {
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return uiStart > other.uiStart;
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}
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bool Timer::operator>(const Timer &other) const {
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return uiStart < other.uiStart;
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}
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#if defined(Q_OS_WIN)
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#include <windows.h>
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quint64 Timer::now() {
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static double scale = 0;
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if (scale == 0) {
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LARGE_INTEGER freq;
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QueryPerformanceFrequency(&freq);
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scale = 1000000. / freq.QuadPart;
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}
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LARGE_INTEGER li;
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QueryPerformanceCounter(&li);
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quint64 e = li.QuadPart;
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return static_cast<quint64>(e * scale);
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}
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#elif defined(Q_OS_UNIX)
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#include <sys/time.h>
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quint64 Timer::now() {
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struct timeval tv;
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gettimeofday(&tv, NULL);
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quint64 e= tv.tv_sec * 1000000LL;
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e += tv.tv_usec;
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return e;
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}
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#else
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quint64 Timer::now() {
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static QTime ticker;
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quint64 elapsed = ticker.elapsed();
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return elapsed * 1000LL;
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}
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#endif
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