static void ApplicationFinished()
{
StringBuilder result = new StringBuilder();
for (int i = 0; i < App.Threads.Count; i++)
{
PiCalcGridThread pcgt = (PiCalcGridThread)App.Threads[i];
result.Append(pcgt.Result);
}
Console.WriteLine(
"===\nThe value of Pi to {0} digits is:\n3.{1}\n===\nTotal time taken = {2}\n===",
NumberOfDigits,
result,
DateTime.Now - StartTime);
//Console.WriteLine("Thread finished fired: " + th + " times");
Console.WriteLine("Application Finished");
}
static void Main()
{
Console.WriteLine("[Pi Calculator Grid Application]\n--------------------------------\n");
Console.WriteLine("Press <enter> to start ...");
Console.ReadLine();
Logger.LogHandler += new LogEventHandler(LogHandler);
try
{
// get the number of digits from the user
bool numberOfDigitsEntered = false;
while (!numberOfDigitsEntered)
{
try
{
NumberOfDigits = Int32.Parse(Utils.ValueFromConsole("Digits to calculate", "100"));
if (NumberOfDigits > 0)
{
numberOfDigitsEntered = true;
}
}
catch (Exception)
{
Console.WriteLine("Invalid numeric value.");
numberOfDigitsEntered = false;
}
}
// get settings from user
GConnection gc = GConnection.FromConsole("localhost", "9000", "user", "user");
StartTiming();
// create a new grid application
App = new GApplication(gc);
App.ApplicationName = "PI Calculator - Alchemi sample";
// add the module containing PiCalcGridThread to the application manifest
App.Manifest.Add(new ModuleDependency(typeof(PiCalculator.PiCalcGridThread).Module));
NumThreads = (Int32)Math.Floor((double)NumberOfDigits / DigitsPerThread);
if (DigitsPerThread * NumThreads < NumberOfDigits)
{
NumThreads++;
}
// create and add the required number of grid threads
for (int i = 0; i < NumThreads; i++)
{
int StartDigitNum = 1 + (i * DigitsPerThread);
/// the number of digits for each thread
/// Each thread will get DigitsPerThread digits except the last one
/// which might get less
int DigitsForThisThread = Math.Min(DigitsPerThread, NumberOfDigits - i * DigitsPerThread);
Console.WriteLine(
"starting a thread to calculate the digits of pi from {0} to {1}",
StartDigitNum,
StartDigitNum + DigitsForThisThread - 1);
PiCalcGridThread thread = new PiCalcGridThread(
StartDigitNum,
DigitsForThisThread
);
App.Threads.Add(thread);
}
// subcribe to events
App.ThreadFinish += new GThreadFinish(ThreadFinished);
App.ApplicationFinish += new GApplicationFinish(ApplicationFinished);
// start the grid application
App.Start();
logger.Debug("PiCalc started.");
}
catch (Exception e)
{
Console.WriteLine("ERROR: {0}", e.StackTrace);
}
Console.ReadLine();
}