public void SetUpAndProcess(bool threading, int simulatedProcessTimeForItem)
{
int totalItems = 100;
ItemToProcess[] startvalues = new ItemToProcess[totalItems];
for (int i = 0; i < totalItems; i++)
{
startvalues[i] = new ItemToProcess();
startvalues[i].startValue = i;
startvalues[i].processingTime = simulatedProcessTimeForItem;
}
if (threading)
{
ProcessItemsThreaded(startvalues);
}
else
{
ProcessItemsNonThreaded(startvalues);
}
// It's vital we wait for all the child threads to finish before we continue this thread.
// The main thead could close before it's children.
WaitForProcessingToFinish(totalItems, startvalues);
Trace.WriteLine("All Done!");
}
private static void WaitForProcessingToFinish(int totalItems, ItemToProcess[] startvalues)
{
bool allDone = false;
while (!allDone)
{
allDone = true;
for (int j = 0; j < totalItems; j++)
{
if (!startvalues[j].hasProcessed)
{
allDone = false;
break;
}
}
}
}
private void ProcessItemsThreaded(ItemToProcess[] items)
{
int maxThreads, minThreads, completionPortThreads, completionPortThreads2;
ThreadPool.GetMaxThreads(out maxThreads, out completionPortThreads);
ThreadPool.GetMinThreads(out minThreads, out completionPortThreads2);
Trace.WriteLine("maxThreads = " + maxThreads + ", minThreads = " + minThreads + "compThreads = " + completionPortThreads + ", " + completionPortThreads2);
ThreadPool.SetMinThreads(100, completionPortThreads2);
for (int i = 0; i < items.Length; i++)
{
ThreadPool.QueueUserWorkItem(new WaitCallback(callbackMethod), new SimpleTaskThread(items[i]));
}
}
public SimpleTaskThread(ItemToProcess item)
{
this.item = item;
id = item.startValue;
}
private void ProcessItemsNonThreaded(ItemToProcess[] items)
{
for (int i = 0; i < items.Length; i++)
{
SimpleTaskThread simple = new SimpleTaskThread(items[i]);
simple.DoSomehing();
}
}