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author | Tycho <work.tycho+git@gmail.com> | 2014-01-26 15:28:51 +0100 |
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committer | Tycho <work.tycho+git@gmail.com> | 2014-01-26 15:28:51 +0100 |
commit | bed2ee22e8283a2e8bd0790a89124839319c2fc3 (patch) | |
tree | ee9e66a7b7c63995797a502f209079c1422ce9c9 /lib/cryptopp/hrtimer.cpp | |
parent | Refactored cBlockHandler::OnUse and dependents (diff) | |
parent | Merge pull request #589 from mc-server/minecartimprovements (diff) | |
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Diffstat (limited to 'lib/cryptopp/hrtimer.cpp')
-rw-r--r-- | lib/cryptopp/hrtimer.cpp | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/lib/cryptopp/hrtimer.cpp b/lib/cryptopp/hrtimer.cpp deleted file mode 100644 index 6871a15dc..000000000 --- a/lib/cryptopp/hrtimer.cpp +++ /dev/null @@ -1,138 +0,0 @@ -// hrtimer.cpp - written and placed in the public domain by Wei Dai - -#include "pch.h" -#include "hrtimer.h" -#include "misc.h" -#include <stddef.h> // for NULL -#include <time.h> - -#if defined(CRYPTOPP_WIN32_AVAILABLE) -#include <windows.h> -#elif defined(CRYPTOPP_UNIX_AVAILABLE) -#include <sys/time.h> -#include <sys/times.h> -#include <unistd.h> -#endif - -#include <assert.h> - -NAMESPACE_BEGIN(CryptoPP) - -#ifndef CRYPTOPP_IMPORTS - -double TimerBase::ConvertTo(TimerWord t, Unit unit) -{ - static unsigned long unitsPerSecondTable[] = {1, 1000, 1000*1000, 1000*1000*1000}; - - assert(unit < sizeof(unitsPerSecondTable) / sizeof(unitsPerSecondTable[0])); - return (double)CRYPTOPP_VC6_INT64 t * unitsPerSecondTable[unit] / CRYPTOPP_VC6_INT64 TicksPerSecond(); -} - -void TimerBase::StartTimer() -{ - m_last = m_start = GetCurrentTimerValue(); - m_started = true; -} - -double TimerBase::ElapsedTimeAsDouble() -{ - if (m_stuckAtZero) - return 0; - - if (m_started) - { - TimerWord now = GetCurrentTimerValue(); - if (m_last < now) // protect against OS bugs where time goes backwards - m_last = now; - return ConvertTo(m_last - m_start, m_timerUnit); - } - - StartTimer(); - return 0; -} - -unsigned long TimerBase::ElapsedTime() -{ - double elapsed = ElapsedTimeAsDouble(); - assert(elapsed <= ULONG_MAX); - return (unsigned long)elapsed; -} - -TimerWord Timer::GetCurrentTimerValue() -{ -#if defined(CRYPTOPP_WIN32_AVAILABLE) - LARGE_INTEGER now; - if (!QueryPerformanceCounter(&now)) - throw Exception(Exception::OTHER_ERROR, "Timer: QueryPerformanceCounter failed with error " + IntToString(GetLastError())); - return now.QuadPart; -#elif defined(CRYPTOPP_UNIX_AVAILABLE) - timeval now; - gettimeofday(&now, NULL); - return (TimerWord)now.tv_sec * 1000000 + now.tv_usec; -#else - return clock(); -#endif -} - -TimerWord Timer::TicksPerSecond() -{ -#if defined(CRYPTOPP_WIN32_AVAILABLE) - static LARGE_INTEGER freq = {0}; - if (freq.QuadPart == 0) - { - if (!QueryPerformanceFrequency(&freq)) - throw Exception(Exception::OTHER_ERROR, "Timer: QueryPerformanceFrequency failed with error " + IntToString(GetLastError())); - } - return freq.QuadPart; -#elif defined(CRYPTOPP_UNIX_AVAILABLE) - return 1000000; -#else - return CLOCKS_PER_SEC; -#endif -} - -#endif // #ifndef CRYPTOPP_IMPORTS - -TimerWord ThreadUserTimer::GetCurrentTimerValue() -{ -#if defined(CRYPTOPP_WIN32_AVAILABLE) - static bool getCurrentThreadImplemented = true; - if (getCurrentThreadImplemented) - { - FILETIME now, ignored; - if (!GetThreadTimes(GetCurrentThread(), &ignored, &ignored, &ignored, &now)) - { - DWORD lastError = GetLastError(); - if (lastError == ERROR_CALL_NOT_IMPLEMENTED) - { - getCurrentThreadImplemented = false; - goto GetCurrentThreadNotImplemented; - } - throw Exception(Exception::OTHER_ERROR, "ThreadUserTimer: GetThreadTimes failed with error " + IntToString(lastError)); - } - return now.dwLowDateTime + ((TimerWord)now.dwHighDateTime << 32); - } -GetCurrentThreadNotImplemented: - return (TimerWord)clock() * (10*1000*1000 / CLOCKS_PER_SEC); -#elif defined(CRYPTOPP_UNIX_AVAILABLE) - tms now; - times(&now); - return now.tms_utime; -#else - return clock(); -#endif -} - -TimerWord ThreadUserTimer::TicksPerSecond() -{ -#if defined(CRYPTOPP_WIN32_AVAILABLE) - return 10*1000*1000; -#elif defined(CRYPTOPP_UNIX_AVAILABLE) - static const long ticksPerSecond = sysconf(_SC_CLK_TCK); - return ticksPerSecond; -#else - return CLOCKS_PER_SEC; -#endif -} - -NAMESPACE_END |