static async Task RunAsync()
{
while (!cancellationTokenSource.Token.IsCancellationRequested)
{
try
{
await Task.Delay(TimeSpan.FromMinutes(5), cancellationTokenSource.Token);
}
catch (TaskCanceledException)
{
}
int downDevices, totalDevices;
StateCollection <DeviceClientState> .GetRatio(DeviceClientState.Down, out downDevices, out totalDevices);
Trace.TraceInformation($"{downDevices} of {totalDevices} devices down");
if (downDevices > totalDevices * 0.5 && Environment.GetEnvironmentVariable("WEBSITE_HOSTNAME") != null)
{
Trace.TraceError("Too many devices down. Force restart");
break;
}
}
}
