public static FILETIME ToFileTime(DateTimeOffset fileTime)
{
var lft = fileTime.ToFileTime();
FILETIME ft;
ft.dwLowDateTime = (int) (lft & 0xFFFFFFFF);
ft.dwHighDateTime = (int) (lft >> 32);
return ft;
}
public static void TestConversion()
{
DateTimeOffset today = new DateTimeOffset(DateTime.Today);
long dateTimeRaw = today.ToFileTime();
Assert.Equal(today, DateTimeOffset.FromFileTime(dateTimeRaw));
}
private static void SetLastWriteTimeInternal(string fullPath, DateTimeOffset time, bool asDirectory)
{
using (SafeFileHandle handle = OpenHandle(fullPath, asDirectory))
{
bool r = Interop.mincore.SetFileTime(handle, lastWriteTime: time.ToFileTime());
if (!r)
{
throw Win32Marshal.GetExceptionForLastWin32Error(fullPath);
}
}
}
public static void ToFromFileTime()
{
var today = new DateTimeOffset(DateTime.Today);
long dateTimeRaw = today.ToFileTime();
Assert.Equal(today, DateTimeOffset.FromFileTime(dateTimeRaw));
}
public bool LookupFileInfo()
{
_fileInfo = _options.FileProvider.GetFileInfo(_subPath.Value);
if (_fileInfo.Exists)
{
_length = _fileInfo.Length;
DateTimeOffset last = _fileInfo.LastModified;
// Truncate to the second.
_lastModified = new DateTimeOffset(last.Year, last.Month, last.Day, last.Hour, last.Minute, last.Second, last.Offset);
long etagHash = _lastModified.ToFileTime() ^ _length;
_etag = new EntityTagHeaderValue('\"' + Convert.ToString(etagHash, 16) + '\"');
}
return _fileInfo.Exists;
}
public void SetTimes(string path, string accountName, DateTimeOffset modificationTime, DateTimeOffset accessTime)
{
_client.FileSystem.SetTimes(path, accountName, modificationTime.ToFileTime(), accessTime.ToFileTime());
}
