C++ (Cpp) UTIL_THROW_PLATFORM_ERROR примеры использования

Пример #1

Файл: os.cpp Проект: AnggaSuherman/griddb_nosql

FILETIME FileLib::getFileTime(SYSTEMTIME &systemTime, bool asLocalTimeZone) {
	FILETIME fileTime;

	if (asLocalTimeZone) {
		TIME_ZONE_INFORMATION tzInfo;
		const DWORD tzType = GetTimeZoneInformation(&tzInfo);
		if (tzType == TIME_ZONE_ID_INVALID) {
			UTIL_THROW_PLATFORM_ERROR(NULL);
		}
		SYSTEMTIME utcSystemTime;
		if (!TzSpecificLocalTimeToSystemTime(
				&tzInfo, &systemTime, &utcSystemTime)) {
			UTIL_THROW_PLATFORM_ERROR(NULL);
		}
		if (!SystemTimeToFileTime(&utcSystemTime, &fileTime)) {
			UTIL_THROW_PLATFORM_ERROR(NULL);
		}
	} else {
		if (!SystemTimeToFileTime(&systemTime, &fileTime)) {
			UTIL_THROW_PLATFORM_ERROR(NULL);
		}
	}

	return fileTime;
}

Пример #2

Файл: os.cpp Проект: Applied-Duality/griddb_nosql

void FileLib::getFileSystemStatus(
		const char8_t *path, FileSystemStatus *status) {
#ifdef _WIN32
	std::wstring pathStr;
	CodeConverter(Code::UTF8, Code::WCHAR_T)(path, pathStr);

	ULARGE_INTEGER availableBytes;
	ULARGE_INTEGER totalBytes;
	ULARGE_INTEGER freeBytes;
	if (!GetDiskFreeSpaceExW(pathStr.c_str(),
			&availableBytes, &totalBytes, &freeBytes)) {
		UTIL_THROW_PLATFORM_ERROR(NULL);
	}

	SYSTEM_INFO systemInfo;
	GetSystemInfo(&systemInfo);

	const DWORD blockSize = systemInfo.dwPageSize;
	status->blockSize_ = blockSize;
	status->fragmentSize_ = blockSize;
	status->blockCount_ = totalBytes.QuadPart / blockSize;
	status->freeBlockCount_ = freeBytes.QuadPart / blockSize;
	status->availableBlockCount_ = availableBytes.QuadPart / blockSize;
#else
	std::string pathStr;
	CodeConverter(Code::UTF8, Code::CHAR)(path, pathStr);

	struct statvfs stvBuf;
	if (statvfs(pathStr.c_str(), &stvBuf) != 0) {
		UTIL_THROW_PLATFORM_ERROR(NULL);
	}

	status->blockSize_ = stvBuf.f_bsize;
	status->fragmentSize_ = stvBuf.f_frsize;
	status->blockCount_ = stvBuf.f_blocks;
	status->freeBlockCount_ = stvBuf.f_bfree;
	status->availableBlockCount_ = stvBuf.f_bavail;

	status->iNodeCount_ = stvBuf.f_files;
	status->freeINodeCount_ = stvBuf.f_ffree;
	status->availableINodeCount_ = stvBuf.f_favail;
	status->id_ = stvBuf.f_fsid;
	status->flags_ = stvBuf.f_flag;
	status->maxFileNameSize_ = stvBuf.f_namemax;
#endif
}

Пример #3

Файл: os.cpp Проект: AnggaSuherman/griddb_nosql

tm FileLib::getTM(int64_t unixTime, bool asLocalTimeZone) {
	if (unixTime < 0) {
		UTIL_THROW_UTIL_ERROR(CODE_INVALID_PARAMETER,
				"Negative unix time");
	}
	time_t unixTimeSec = static_cast<time_t>(unixTime / 1000);
	tm time;
	if (asLocalTimeZone) {
		if (localtime_r(&unixTimeSec, &time) == NULL) {
			UTIL_THROW_PLATFORM_ERROR(NULL);
		}
	}
	else {
		if (gmtime_r(&unixTimeSec, &time) == NULL) {
			UTIL_THROW_PLATFORM_ERROR(NULL);
		}
	}
	return time;
}

Пример #4

Файл: os.cpp Проект: AnggaSuherman/griddb_nosql

timespec FileLib::calculateTimeoutSpec(clockid_t clockId, uint32_t timeoutMillis) {
	timespec ts;
	if (0 != clock_gettime(clockId, &ts)) {
		UTIL_THROW_PLATFORM_ERROR(NULL);
	}

	const long nanosPerSec = 1000 * 1000 * 1000;
	const long nanosPerMilli = 1000 * 1000;

	ts.tv_sec += static_cast<time_t>(timeoutMillis / 1000);
	ts.tv_nsec += static_cast<long>(timeoutMillis % 1000) * nanosPerMilli;

	const long sec = ts.tv_nsec / nanosPerSec;
	assert(0 <= sec && sec <= 1);

	ts.tv_sec += static_cast<time_t>(sec);
	ts.tv_nsec -= sec * nanosPerSec;

	return ts;
}