private void Execute()
{
Task.Factory.StartNew(() =>
{
for (;;)
{
button1_Click(null, EventArgs.Empty);
Thread.Sleep(500);
}
}, TaskCreationOptions.LongRunning);
ThreadPool.QueueUserWorkItem(_ =>
{
var po = new ParallelOptions()
{
MaxDegreeOfParallelism = 6,
};
const string searchUrl = "https://www.google.com.tr/search?q={0}";
int count = 0;
Parallel.For(0, 20, po, i =>
{
var c = Interlocked.Increment(ref count);
var url = string.Format(searchUrl, c);
ThreadProcRandomMulti(url);
});
var instanceCount = 0;
GC.Collect(2);
GC.WaitForPendingFinalizers();
GC.Collect(2);
GC.WaitForPendingFinalizers();
GC.Collect(2);
GC.Collect(2);
var urls = EOThreadBuddies.GetPressure4Details(out instanceCount);
_events.Enqueue($"Undestroyed webviews: {instanceCount}");
Application.DoEvents();
// Here, we have disposed every WebView and ThreadRunner that we have created. There should not be any WebView instances in the heap at this point.
Debugger.Break();
});
}
private void button1_Click(object sender, EventArgs e)
{
if (listBox1.InvokeRequired)
{
var action = new Action(() => button1_Click(sender, e));
listBox1.BeginInvoke(action);
return;
}
listBox1.Items.Clear();
var items = _events.ToArray();
listBox1.Items.Add($"Buddy Count: {_buddyCount}");
listBox1.Items.Add($"Event Count: {items.Length}");
listBox1.Items.Add($"Pressures: {EOThreadBuddies.GetPressures()}");
foreach (var item in items)
{
listBox1.Items.Add(item);
}
}
private void ThreadProcRandomMulti(string url)
{
var searchUrl = url;
var searchUrlCount = Interlocked.Increment(ref _counter);
int i = 10;
while (i >= 0)
{
Thread.Sleep((int)(1000 * _rnd.NextDouble()));
var count = Interlocked.Increment(ref _count);
var buddies = new EOThreadBuddies($"EO-Buddy-{count}");
if (buddies.WebView == null)
{
_events.Enqueue("0");
}
ConfigureResourceHandler(buddies.WebView);
WaitHandle loadedEvent = null;
buddies.Send(() =>
{
var task = buddies.WebView.LoadUrl("http://edition.cnn.com");
loadedEvent = task.GetDoneEvent(false);
}, 3000);
var isLoaded = loadedEvent.WaitOne(3000);
buddies.Send(() =>
{
var task = buddies.WebView.LoadUrl(searchUrl);
loadedEvent = task.GetDoneEvent(false);
}, 3000);
isLoaded = loadedEvent.WaitOne(3000);
searchUrlCount = Interlocked.Increment(ref _counter);
searchUrl = $"{url}v{searchUrlCount}";
switch (_rnd.Next(5))
{
case 0:
// recreate.
buddies.Dispose();
buddies.WebView.NewWindow -= WebView_NewWindow;
count = Interlocked.Increment(ref _count);
buddies = new EOThreadBuddies($"EO-Buddy-{count}");
if (buddies.WebView == null)
{
_events.Enqueue("0");
}
ConfigureResourceHandler(buddies.WebView);
buddies.Send(() =>
{
var task = buddies.WebView.LoadUrl("http://edition.cnn.com");
loadedEvent = task.GetDoneEvent(false);
}, 3000);
isLoaded = loadedEvent.WaitOne(3000);
break;
case 1:
// evalscript.
var result = (int?)buddies.WebView.EvalScript(@"var i=1e6; while(i-- >0) { } 42");
if (result != 42)
{
_events.Enqueue("1");
}
break;
case 2:
// queuescript
var asyncCall = buddies.WebView.QueueScriptCall(@"var i=1e6; while(i-- >0) { } 43");
asyncCall.WaitOne();
if ((int)asyncCall.Result != 43)
{
_events.Enqueue("2");
}
break;
case 3:
// load something else.
buddies.Send(() =>
{
var task = buddies.WebView.LoadUrl(searchUrl);
loadedEvent = task.GetDoneEvent(false);
}, 3000);
isLoaded = loadedEvent.WaitOne(3000);
if (!isLoaded)
{
_events.Enqueue("3");
}
break;
case 4:
// Delayed destroy.
EOThreadBuddies delayedBuddies;
while (_delayedDestroyQueue.TryDequeue(out delayedBuddies))
{
delayedBuddies.Dispose();
}
break;
}
buddies.Send(() =>
{
var task = buddies.WebView.LoadUrl(searchUrl);
loadedEvent = task.GetDoneEvent(false);
}, 3000);
isLoaded = loadedEvent.WaitOne(3000);
_delayedDestroyQueue.Enqueue(buddies);
buddies.WebView.NewWindow -= WebView_NewWindow;
i--;
}
EOThreadBuddies buddies2;
while (_delayedDestroyQueue.TryDequeue(out buddies2))
{
buddies2.Dispose();
}
}
