66 lines
1.8 KiB
C
66 lines
1.8 KiB
C
/* This work is licensed under a Creative Commons CCZero 1.0 Universal License.
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* See http://creativecommons.org/publicdomain/zero/1.0/ for more information.
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*
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* Copyright 2016-2017 (c) Julius Pfrommer, Fraunhofer IOSB
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* Copyright 2017 (c) Stefan Profanter, fortiss GmbH
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* Copyright 2017 (c) Thomas Stalder
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*/
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#include <open62541/types.h>
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#ifdef UA_ARCHITECTURE_WIN32
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#include <time.h>
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/* Backup definition of SLIST_ENTRY on mingw winnt.h */
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# ifdef SLIST_ENTRY
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# pragma push_macro("SLIST_ENTRY")
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# undef SLIST_ENTRY
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# define POP_SLIST_ENTRY
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# endif
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# include <windows.h>
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/* restore definition */
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# ifdef POP_SLIST_ENTRY
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# undef SLIST_ENTRY
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# undef POP_SLIST_ENTRY
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# pragma pop_macro("SLIST_ENTRY")
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# endif
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UA_DateTime UA_DateTime_now(void) {
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/* Windows filetime has the same definition as UA_DateTime */
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FILETIME ft;
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SYSTEMTIME st;
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GetSystemTime(&st);
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SystemTimeToFileTime(&st, &ft);
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ULARGE_INTEGER ul;
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ul.LowPart = ft.dwLowDateTime;
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ul.HighPart = ft.dwHighDateTime;
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return (UA_DateTime)ul.QuadPart;
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}
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/* Credit to https://stackoverflow.com/questions/13804095/get-the-time-zone-gmt-offset-in-c */
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UA_Int64 UA_DateTime_localTimeUtcOffset(void) {
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time_t gmt, rawtime = time(NULL);
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struct tm ptm;
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#ifdef __CODEGEARC__
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gmtime_s(&rawtime, &ptm);
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#else
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gmtime_s(&ptm, &rawtime);
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#endif
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// Request that mktime() looksup dst in timezone database
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ptm.tm_isdst = -1;
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gmt = mktime(&ptm);
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return (UA_Int64) (difftime(rawtime, gmt) * UA_DATETIME_SEC);
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}
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UA_DateTime UA_DateTime_nowMonotonic(void) {
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LARGE_INTEGER freq, ticks;
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QueryPerformanceFrequency(&freq);
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QueryPerformanceCounter(&ticks);
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UA_Double ticks2dt = UA_DATETIME_SEC / (UA_Double)freq.QuadPart;
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return (UA_DateTime)(ticks.QuadPart * ticks2dt);
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}
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#endif /* UA_ARCHITECTURE_WIN32 */
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