private static void DoMainWork(ParsedArguments parsedArgs, CancellationTokenSource token)
{
var progressChars = new[] { '-', '\\', '|', '/' };
var watch = new Stopwatch();
watch.Start();
var calcTask = DoCalculations(parsedArgs, token.Token);
try
{
WaitForTaskCompletion(calcTask, progressChars);
watch.Stop();
Log.Trace("Task was completed in " + watch.Elapsed);
Console.WriteLine("Task was completed in " + watch.Elapsed);
}
catch (AggregateException ex)
{
HandleException(ex);
}
}
private static void Main(string[] args)
{
Log.Trace("Application started");
Console.WriteLine("Test task for Brokeree");
Console.WriteLine();
var parsedArgs = new ParsedArguments(args);
if (parsedArgs.Count == -1)
{
Console.WriteLine(parsedArgs.ErrorMessage);
return;
}
WriteArguments(parsedArgs);
var token = new CancellationTokenSource();
CancellationTokenSource keyHandlerCancellationToken;
var keyHandlerTask = InitKeyboardHandler(token, out keyHandlerCancellationToken);
DoMainWork(parsedArgs, token);
keyHandlerCancellationToken.Cancel();
Console.WriteLine("Exiting...");
}
private static async Task DoCalculations(ParsedArguments args, CancellationToken cancellationToken)
{
var a = new ValueProcessor();
var array = await a.CreateAsync(args.Count, cancellationToken);
var min = int.MaxValue;
var max = int.MinValue;
var sum = 0;
var math = new SlowMath();
bool hasValuesToSave = false;
var tasks = new List<Task>();
LogValues(array);
if (args.SumValues)
{
var task = math.SumAsync(array, cancellationToken).ContinueWith(x =>
{
sum = x.Result;
Console.WriteLine("SUM: {0}", sum);
Log.Trace("SUM: " + sum);
hasValuesToSave = true;
}, TaskContinuationOptions.OnlyOnRanToCompletion);
tasks.Add(task);
}
if (args.MaxValue)
{
var task = math.MinAsync(array, cancellationToken).ContinueWith(x =>
{
max = x.Result;
Console.WriteLine("MAX: {0}", max);
Log.Trace("MAX: "+max);
hasValuesToSave = true;
}, TaskContinuationOptions.OnlyOnRanToCompletion);
tasks.Add(task);
}
if (args.MinValue)
{
var task = math.MinAsync(array, cancellationToken).ContinueWith(x =>
{
min = x.Result;
Console.WriteLine("MIN: {0}", min);
Log.Trace("MIN: " + min);
hasValuesToSave = true;
}, TaskContinuationOptions.OnlyOnRanToCompletion);
tasks.Add(task);
}
Task.WaitAll(tasks.ToArray());
if (args.OutputDirectory != null)
{
await SaveData(args, cancellationToken, a, array, hasValuesToSave, max, min, sum);
}
}
private static async Task SaveData(ParsedArguments args, CancellationToken cancellationToken, ValueProcessor a, int[] array, bool hasValuesToSave, int max, int min, long sum)
{
if (!Directory.Exists(args.OutputDirectory))
{
Directory.CreateDirectory(args.OutputDirectory);
}
await a.SaveAsync(args.OutputDirectory, array, cancellationToken);
if (hasValuesToSave) {
var id = DateTime.Now.Ticks.ToString();
if (args.MaxValue)
{
await FileUtilities.SaveValue(args.OutputDirectory, "result_max_"+ id, max);
}
if (args.MinValue)
{
await FileUtilities.SaveValue(args.OutputDirectory, "result_min_" + id, min);
}
if (args.SumValues)
{
await FileUtilities.SaveValue(args.OutputDirectory, "result_sum_" + id, sum);
}
}
}
private static void WriteArguments(ParsedArguments parsedArgs)
{
Console.WriteLine("Count: {0}", parsedArgs.Count);
Console.WriteLine("Sum: {0}", parsedArgs.SumValues);
Console.WriteLine("Max: {0}", parsedArgs.MaxValue);
Console.WriteLine("Min: {0}", parsedArgs.MinValue);
Console.WriteLine("Dir: {0}", parsedArgs.OutputDirectory);
Console.WriteLine();
}
