private async void testbutton_Click(object sender, RoutedEventArgs e)
{
DateTimeGenerator myDTG;
DateTime TheNetworkTime;
DateTime TheLocalTime;
TimeSpan span;
myDTG = DateTimeGenerator.Instance;
TheLocalTime = DateTime.UtcNow;
TheNetworkTime = await myDTG.GetNTPTime();
span = TheNetworkTime.Subtract(TheLocalTime);
textBox1.Text = TheLocalTime.ToString();
textBox2.Text = TheNetworkTime.ToString();
textBox3.Text = span.ToString();
}
public static int GetTimestamp(ref TimeVal tp)
{
if (!_isInitialized)
{
if (1 == Interlocked.Increment(ref _initializeLock))
{
// // La valeur de cette propriété représente le nombre d’intervalles de 100 nanosecondes qui se sont écoulées depuis 12:00:00 minuit,
// // le 1er janvier 0001(0 : 00:00 UTC 1er janvier 0001, dans le calendrier grégorien), qui représente DateTime.MinValue.
// // Il n’inclut pas le nombre de graduations qui sont attribuables aux secondes intercalaires.
_origin = new DateTime(1970, 1, 1, 0, 0, 0, 0, DateTimeKind.Utc);
_originTicks = _origin.Ticks;
DateTimeGenerator myDTG;
DateTime TheNetworkTime;
DateTime TheLocalTime;
TimeSpan elapsedSpan;
myDTG = DateTimeGenerator.Instance;
TheLocalTime = DateTime.UtcNow;
TheNetworkTime = myDTG.GetNTPTime();
elapsedSpan = TheNetworkTime.Subtract(TheLocalTime);
Console.WriteLine("LocalTime {0}", TheLocalTime.ToString());
Console.WriteLine("NetworkTime {0}", TheNetworkTime.ToString());
Console.WriteLine("Origin Time {0} ", _origin.ToString());
_originTicks = _origin.Ticks - elapsedSpan.Ticks;
Console.WriteLine(" {0:N0} nanoseconds (10^9s)", elapsedSpan.Ticks * 100);
Console.WriteLine(" {0:N0} origin ticks", _originTicks);
Console.WriteLine(" {0:N0} delta ticks", elapsedSpan.Ticks);
Console.WriteLine(" {0:N2} seconds", elapsedSpan.TotalSeconds);
Console.WriteLine(" {0:N2} minutes", elapsedSpan.TotalMinutes);
Console.WriteLine(" {0:N0} days, {1} hours, {2} minutes, {3} seconds, millisecond {4}",
elapsedSpan.Days, elapsedSpan.Hours,
elapsedSpan.Minutes, elapsedSpan.Seconds, elapsedSpan.TotalMilliseconds);
Console.WriteLine("Corrected Time {0} ", _origin.ToString());
_originTicks += elapsedSpan.Ticks;
Console.WriteLine(" Corrected ticks {0:N0} ticks", _originTicks);
// next caller can use ticks for time calculation
_isInitialized = true;
}
else
{
Interlocked.Decrement(ref _initializeLock);
// wait until first caller has initialized static values
while (!_isInitialized)
{
Thread.Sleep(1);
}
}
}
//DateTime now = DateTime.Now;
DateTime now = DateTime.UtcNow;
TimeSpan span = new TimeSpan(now.Ticks - _originTicks);
tp.tv_sec = (uint)(span.TotalSeconds);
tp.tv_usec = (uint)((span.TotalMilliseconds % 1000) * 1000);
return(0);
}
