/// <summary>
/// WaitBenchmarkResult returns <see cref="BenchmarkResult"/> after one of 3 conditions is fullfiled.
/// Conditions are: Benchmark fails with error message, Benchmarks timeouts, Benchmark returns non-zero speed
/// </summary>
/// <param name="benchmarkProcess">Is the running <see cref="BenchmarkProcess"/></param>
/// <param name="timeoutTime">Is the time after which we get timeout</param>
/// <param name="delayTime">Is the delay time after which <paramref name="timeoutTime"/> starts counting</param>
/// <param name="stop">Is the <see cref="CancellationToken"/> for stopping <paramref name="benchmarkProcess"/></param>
public static async Task <BenchmarkResult> WaitBenchmarkResult(BenchmarkProcess benchmarkProcess, TimeSpan timeoutTime, TimeSpan delayTime, CancellationToken stop)
{
Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;
var timeoutTimerTime = timeoutTime + delayTime;
using (var timeoutSource = new CancellationTokenSource(timeoutTimerTime))
{
BenchmarkResult ret = null;
var timeout = timeoutSource.Token;
using (var linkedCts = CancellationTokenSource.CreateLinkedTokenSource(timeout, stop))
{
try
{
await Task.Delay(delayTime, linkedCts.Token);
ret = await benchmarkProcess.Execute(linkedCts.Token);
}
catch (OperationCanceledException)
{
}
catch (Exception e)
{
Logger.Info("MinerToolkit", $"Error occured while waiting for benchmark result: {e.Message}");
return(new BenchmarkResult {
ErrorMessage = e.Message
});
}
}
// #1 if canceled return canceled
if (stop.IsCancellationRequested)
{
Logger.Info("MinerToolkit", "Benchmark process was canceled by user");
return(new BenchmarkResult {
ErrorMessage = "Cancelling per user request."
});
}
if (ret == null)
{
return new BenchmarkResult {
ErrorMessage = "Benchmark result is null"
}
}
;
if (ret.HasNonZeroSpeeds() || !string.IsNullOrEmpty(ret.ErrorMessage))
{
return(ret);
}
if (timeout.IsCancellationRequested)
{
Logger.Info("MinerToolkit", "Benchmark process timed out");
return(new BenchmarkResult {
ErrorMessage = "Operation timed out."
});
}
}
return(new BenchmarkResult());
}