private List <UpdateTask> RunTasks(UpdateTask[] tasks, bool multithreadedTaskRunning, int maxParallelTasks)
{
List <UpdateTask> failedTasks = new List <UpdateTask>();
List <string> filesToDelete = new List <string>();
using (ManualResetEvent resetEvent = new ManualResetEvent(false)) {
int tasksToRun = tasks.Length;
int tasksActive = 0;
for (int i = 0; i < tasks.Length; i++)
{
UpdateTask curTask = tasks[i];
if (multithreadedTaskRunning)
{
if (tasksActive == maxParallelTasks)
{
Thread.Sleep(10);
i--;
continue;
}
bool queued = false;
while (!queued)
{
queued = ThreadPool.QueueUserWorkItem(
new WaitCallback(
task => {
try {
int tasksDone = tasks.Length - tasksToRun;
percentageDone = Convert.ToInt32(((double)(tasksDone - failedTasks.Count) / (double)tasks.Length) * 100d);
TriggerProgressEvent(percentageDone, curTask.ToString());
((UpdateTask)task).Run();
} catch (Exception) {
failedTasks.Add(curTask);
} finally {
if (Interlocked.Decrement(ref tasksToRun) == 0)
{
resetEvent.Set();
}
Interlocked.Decrement(ref tasksActive);
filesToDelete.AddRange(((UpdateTask)curTask).filesToDeleteOnExit);
}
}
), curTask
);
if (!queued)
{
Thread.Sleep(10);
}
else
{
Interlocked.Increment(ref tasksActive);
}
}
}
else
{
percentageDone = Convert.ToInt32(((double)(i - failedTasks.Count) / (double)tasks.Length) * 100d);
TriggerProgressEvent(percentageDone, curTask.ToString());
try {
curTask.Run();
} catch (Exception ex) {
failedTasks.Add(curTask);
} finally {
filesToDelete.AddRange(((UpdateTask)curTask).filesToDeleteOnExit);
resetEvent.Set();
}
}
}
resetEvent.WaitOne();
foreach (string curFile in filesToDelete)
{
try {
File.Delete(curFile);
}catch (Exception) {
Console.WriteLine("Failed to delete " + curFile);
}
}
}
return(failedTasks);
}
