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145 lines
4.5 KiB
145 lines
4.5 KiB
/*==LICENSE==* |
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CyanWorlds.com Engine - MMOG client, server and tools |
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Copyright (C) 2011 Cyan Worlds, Inc. |
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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 3 of the License, or |
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(at your option) any later version. |
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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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You should have received a copy of the GNU General Public License |
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along with this program. If not, see <http://www.gnu.org/licenses/>. |
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Additional permissions under GNU GPL version 3 section 7 |
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If you modify this Program, or any covered work, by linking or |
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combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK, |
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NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent |
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JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK |
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(or a modified version of those libraries), |
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containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA, |
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PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG |
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JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the |
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licensors of this Program grant you additional |
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permission to convey the resulting work. Corresponding Source for a |
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non-source form of such a combination shall include the source code for |
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the parts of OpenSSL and IJG JPEG Library used as well as that of the covered |
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work. |
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You can contact Cyan Worlds, Inc. by email legal@cyan.com |
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or by snail mail at: |
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Cyan Worlds, Inc. |
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14617 N Newport Hwy |
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Mead, WA 99021 |
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*==LICENSE==*/ |
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#include "pnUtTime.h" |
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#if HS_BUILD_FOR_UNIX |
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#include <ctime> |
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#include <sys/time.h> |
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#endif |
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/****************************************************************************** |
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* I've combined all the pnUtils Time stuff in here and made it work cross- |
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* platform as best as possible. |
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* |
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* At some point, hsTimer needs to be rewritten to ensure that it's fully |
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* corss-platform and using a reliable millisecond clock. |
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* When that happens, these functions should be merged into hsTimer. |
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* |
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* -- dpogue (April 14, 2012) |
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* |
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*****************************************************************************/ |
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namespace pnUtilsExe { |
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uint32_t TimeGetTickCount () { |
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#if HS_BUILD_FOR_WIN32 |
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return GetTickCount(); |
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#else |
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struct timeval tv; |
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if (gettimeofday(&tv, NULL) != 0) |
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return 0; |
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return (tv.tv_sec * 1000) + (tv.tv_usec / 1000); |
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#endif |
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} |
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/***************************************************************************** |
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* |
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* Time adjustment functions |
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* |
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* For debug builds, adjust the initial time value so that the high |
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* bit or the time value itself is about to wrap, to catch application |
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* bugs that don't handle wrapping or depend on the high bit's value. |
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* |
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***/ |
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static uint32_t s_adjustment; |
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//=========================================================================== |
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static void InitializeAdjustment () { |
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ASSERT(!s_adjustment); |
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uint32_t currTime = TimeGetTickCount(); |
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uint32_t startBits = (currTime & 0x80) ? 0x7fff0000 : 0xffff0000; |
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uint32_t startMask = 0xffff0000; |
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s_adjustment = (((currTime & ~startMask) | startBits) - currTime) | 1; |
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ASSERT(s_adjustment); |
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} |
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//=========================================================================== |
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AUTO_INIT_FUNC(AutoInitializeAdjustment) { |
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if (!s_adjustment) |
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InitializeAdjustment(); |
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} |
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} using namespace pnUtilsExe; |
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/***************************************************************************** |
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* |
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* Exports |
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* |
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***/ |
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uint32_t TimeGetSecondsSince2001Utc () { |
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uint64_t time = TimeGetTime(); |
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uint32_t seconds = (uint32_t)((time - kTime1601To2001) / kTimeIntervalsPerSecond); |
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return seconds; |
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} |
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uint64_t TimeGetTime () { |
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#ifdef HS_BUILD_FOR_WIN32 |
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uint64_t time; |
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static_assert(sizeof(uint64_t) == sizeof(FILETIME), "FILETIME is not a uint64"); |
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GetSystemTimeAsFileTime((FILETIME *) &time); |
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return time; |
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#else |
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struct timespec ts; |
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if (clock_gettime(CLOCK_MONOTONIC, &ts)) |
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return 0; |
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long long time = ts.tv_sec * 1000000000LL + ts.tv_nsec; |
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return time / 100; |
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#endif |
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} |
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uint32_t TimeGetMs () { |
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#ifdef HS_DEBUGGING |
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// For debug builds, return an adjusted timer value |
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if (!s_adjustment) |
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InitializeAdjustment(); |
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return TimeGetTickCount() + s_adjustment; |
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#else |
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// For release builds, just return the operating system's timer |
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return TimeGetTickCount(); |
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#endif |
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}
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