/// <summary>
/// Run
/// </summary>
/// <param name="args"></param>
public static void Run(string[] args)
{
if (args.Length < 3 || args.Length > 4)
{
Console.WriteLine($@"Usage: {args[0]} <path> <folder> <IsOverwriten> [msbuild]");
return;
}
Arguments = args;
IsMsBuildInvoked = Arguments.Length == 4 && Arguments[3] == "msbuild";
var tokenSource = new CancellationTokenSource();
var tasks = new List <TaskEvent>();
ConsoleCancelEventHandler onCancel = null;
try
{
if (!IsMsBuildInvoked)
{
var t0 = new TaskEvent
{
Name = "t0",
Tag = tasks,
OnRunning = async(sender, tea) =>
{
Console.WriteLine(@"Press `CTRL+C' to abort the process...");
onCancel = (o, e) =>
{
e.Cancel = true;
tea.TokenSource?.Cancel();
};
// Establish an event handler to process key press events.
Console.CancelKeyPress += onCancel;
while (!tea.TokenSource.IsCancellationRequested)
{
if (Console.KeyAvailable)
{
Console.ReadKey(true);
}
else
{
await Task.Delay(250, tea.TokenSource.Token);
}
}
},
OnExited = (sender, tea) =>
{
tea.Task.Dispose();
(tea.Tag as List <TaskEvent>)?.Remove((sender as ExitedEvent)?.TaskEvent);
}
};
tasks.Add(t0);
t0.AsyncMonitor();
}
// =================================================================================
var t1 = new TaskEvent
{
Name = "t1",
Tag = tasks,
OnRunning = (sender, tea) =>
{
var options = new ParallelOptions
{
MaxDegreeOfParallelism = Environment.ProcessorCount,
CancellationToken = tea.TokenSource.Token
};
var cardCount = InitializeCollection(out var setCollection);
CreateResources(args, options, setCollection);
var dlCount = setCollection.Sum(kvp => kvp.Value.DownloadCount);
Console.WriteLine($@"Downloaded information for ({dlCount}/{cardCount}) file{(cardCount > 1 ? "s" : string.Empty)}.");
},
OnExited = (sender, tea) =>
{
tea.Task.Dispose();
(tea.Tag as List <TaskEvent>)?.Remove((sender as ExitedEvent)?.TaskEvent);
}
};
tasks.Add(t1);
t1.AsyncMonitor();
// Wait for any the tasks to finish and send the other one a cancellation signal.
var b = Task.WaitAny(tasks.Select(x => x.Task).ToArray(), tokenSource.Token);
if (b == 0)
{
Console.CancelKeyPress -= onCancel;
}
tasks[tasks.Count > 1 && b == 0 ? 1 : 0].Cancel();
} catch (OperationCanceledException)
{
Debug.WriteLine("");
} catch (Exception ex)
{
Debug.Print("Exception messages:");
var ie = ex.InnerException;
while (ie != null)
{
Debug.Print($" {ie.GetType().Name}: {ie.Message}");
ie = ie.InnerException;
}
} finally
{
Task.WaitAll(tasks.Select(y => y.Task).ToArray());
Debug.WriteLine(@"All Tasks Completed");
tokenSource.Dispose();
if (!IsMsBuildInvoked)
{
Console.WriteLine(@"Press any key to continue...");
Console.ReadKey(true);
}
}
}
