/// <summary>Initializes the TimeService and waits for a valid time from the server</summary>
/// <param name="timeServiceName">Host name of the time service server to use</param>
/// <param name="timeZoneOffset">Timezone offset (in minutes) to use for the service</param>
public static void InitTimeService(string timeServiceName, int timeZoneOffset)
{
// Get the address for the time service.
// It is considered bad practice to hard code the address
// as the service will likely load balance to a variety
// of physical IP addresses.
IPHostEntry entry = Dns.GetHostEntry(timeServiceName);
if (entry == null || entry.AddressList == null)
{
throw new ApplicationException("DNS failure");
}
// It is possible (at least on the emulator) that
// an address in the list may be null, so loop
// over them until a valid one is found.
IPAddress timeServiceAddress = null;
for (int i = 0; i < entry.AddressList.Length; ++i)
{
timeServiceAddress = entry.AddressList[i];
if (timeServiceAddress != null)
{
break;
}
}
// need to have a valid one to continue
if (timeServiceAddress == null)
{
throw new ApplicationException("DNS failure");
}
TimeService.Settings = new TimeServiceSettings
{
PrimaryServer = timeServiceAddress.GetAddressBytes( )
, RefreshTime = 10
, AutoDayLightSavings = true
};
TimeService.SetTimeZoneOffset(timeZoneOffset);
// Start the service and wait for initial time update/sync from server
TimeService.SystemTimeChanged += TimeService_SystemTimeChanged;
TimeService.Start( );
TimeChanged.WaitOne( );
TimeService.SystemTimeChanged -= TimeService_SystemTimeChanged;
}