static void Multiple()
{
var rnd = new Random();
Task.Run(() =>
{
for (int i = 1; i <= 10; i++)
{
ObservableConcurrentQueue.Enqueue(i + rnd.Next(0, 2000));
Thread.Sleep(rnd.Next(0, 2000));
}
});
Task.Run(() =>
{
for (int i = 1; i <= 10; i++)
{
ObservableConcurrentQueue.Enqueue(i + rnd.Next(0, 2000));
Thread.Sleep(rnd.Next(0, 2000));
}
});
Task.Run(() =>
{
for (int i = 1; i <= 10; i++)
{
ObservableConcurrentQueue.Enqueue(i + rnd.Next(0, 2000));
Thread.Sleep(rnd.Next(0, 2000));
}
});
}
/// <summary>
/// Enqueues the event test.
/// </summary>
private void EnqueueEventTest()
{
const int item = 11;
_queue.Enqueue(item);
Assert.AreEqual(item, _queueAddedItem);
Assert.IsFalse(_isQueueEmpty);
_queue.Enqueue(item + 1);
Assert.AreEqual(item + 1, _queueAddedItem);
Assert.IsFalse(_isQueueEmpty);
}
void SampleData(object state)
{
if (q.Count > 200)
{
return;
}
q.Enqueue($"Hello World {QCount++}");
// Debug.WriteLine($"Queued {QCount}");
}
private async void ReceiveC2dAsync(DeviceClient deviceClient)
{
while (true)
{
try {
Message receivedMessage = await deviceClient.ReceiveAsync();
if (receivedMessage == null)
{
await Task.Delay(2000);
continue;
}
await deviceClient.CompleteAsync(receivedMessage);
string command = Encoding.ASCII.GetString(receivedMessage.GetBytes()).ToUpper();
q.Enqueue(command);
if (telemetry.SetSampleRateInSeconds(command))
{
continue;
}
switch (command[0])
{
case 'R':
statusColour = Colors.Red;
break;
case 'G':
statusColour = Colors.Green;
break;
case 'B':
statusColour = Colors.Blue;
break;
case 'Y':
statusColour = Colors.Yellow;
break;
default:
statusColour = Colors.Purple;
break;
}
display.Fill(statusColour);
display.Update();
}
catch { telemetry.Exceptions++; }
}
}
/// <summary>
/// The main.
/// </summary>
/// <param name="args">
/// The args.
/// </param>
private static void Main(string[] args)
{
var observableConcurrentQueue = new ObservableConcurrentQueue <int>();
observableConcurrentQueue.ContentChanged += OnObservableConcurrentQueueContentChanged;
var task = new Task(
() =>
{
Console.WriteLine("Enqueue elements...");
for (int i = 1; i <= 20; i++)
{
observableConcurrentQueue.Enqueue(i);
Thread.Sleep(100);
}
int item;
Console.WriteLine("Peek & Dequeue 5 elements...");
for (int i = 0; i < 5; i++)
{
observableConcurrentQueue.TryPeek(out item);
Thread.Sleep(300);
observableConcurrentQueue.TryDequeue(out item);
Thread.Sleep(300);
}
observableConcurrentQueue.TryPeek(out item);
Thread.Sleep(300);
Console.WriteLine("Dequeue all elements...");
while (observableConcurrentQueue.TryDequeue(out item))
{
Thread.Sleep(300);
}
});
task.Start();
Console.WriteLine("End. Press any key to exit...");
Console.ReadKey(true);
}
private static async Task TryItWithThreadSafeAsync()
{
var observableConcurrentQueue = new ObservableConcurrentQueue <int>();
observableConcurrentQueue.ContentChanged += OnObservableConcurrentQueueContentChanged;
await Task.Run(() =>
{
Console.WriteLine("Enqueue elements...");
Parallel.For(1, 20, i => { observableConcurrentQueue.Enqueue(i); });
int item;
Console.WriteLine("Peek & Dequeue 5 elements...");
Parallel.For(0, 5, i =>
{
observableConcurrentQueue.TryPeek(out item);
Thread.Sleep(300);
observableConcurrentQueue.TryDequeue(out item);
});
Thread.Sleep(300);
observableConcurrentQueue.TryPeek(out item);
Thread.Sleep(300);
Console.WriteLine("Dequeue all elements...");
Parallel.For(1, 20, i =>
{
while (observableConcurrentQueue.TryDequeue(out item))
{
// NO SLEEP, Force Concurrence
// Thread.Sleep(300);
}
});
}
);
}
/// <summary>
/// The main.
/// </summary>
/// <param name="args">
/// The args.
/// </param>
private static void Main(string[] args)
{
var observableConcurrentQueue = new ObservableConcurrentQueue<int>();
observableConcurrentQueue.ContentChanged += OnObservableConcurrentQueueContentChanged;
var task = new Task(
() =>
{
Console.WriteLine("Enqueue elements...");
for (int i = 1; i <= 20; i++)
{
observableConcurrentQueue.Enqueue(i);
Thread.Sleep(100);
}
int item;
Console.WriteLine("Peek & Dequeue 5 elements...");
for (int i = 0; i < 5; i++)
{
observableConcurrentQueue.TryPeek(out item);
Thread.Sleep(300);
observableConcurrentQueue.TryDequeue(out item);
Thread.Sleep(300);
}
observableConcurrentQueue.TryPeek(out item);
Thread.Sleep(300);
Console.WriteLine("Dequeue all elements...");
while (observableConcurrentQueue.TryDequeue(out item))
{
Thread.Sleep(300);
}
});
task.Start();
Console.WriteLine("End. Press any key to exit...");
Console.ReadKey(true);
}
private static void TryItWithoutThreadSafe()
{
var observableConcurrentQueue = new ObservableConcurrentQueue <int>();
observableConcurrentQueue.ContentChanged += OnObservableConcurrentQueueContentChanged;
var task = new Task(
() =>
{
Console.WriteLine("Enqueue elements...");
for (int i = 1; i <= 20; i++)
{
observableConcurrentQueue.Enqueue(i);
Thread.Sleep(100);
}
int item;
Console.WriteLine("Peek & Dequeue 5 elements...");
for (int i = 0; i < 5; i++)
{
observableConcurrentQueue.TryPeek(out item);
Thread.Sleep(300);
observableConcurrentQueue.TryDequeue(out item);
Thread.Sleep(300);
}
observableConcurrentQueue.TryPeek(out item);
Thread.Sleep(300);
Console.WriteLine("Dequeue all elements...");
while (observableConcurrentQueue.TryDequeue(out item))
{
Thread.Sleep(300);
}
});
task.Start();
}
private async void ReceiveC2dAsync(DeviceClient deviceClient)
{
while (true)
{
try
{
Message receivedMessage = await deviceClient.ReceiveAsync();
if (receivedMessage == null)
{
await Task.Delay(2000);
continue;
}
await deviceClient.CompleteAsync(receivedMessage);
string command = Encoding.ASCII.GetString(receivedMessage.GetBytes());
q.Enqueue(command);
}
catch { telemetry.Exceptions++; }
}
}
public void Download(Uri url)
{
Interlocked.Increment(ref totalLinks);
downloadLinks.Enqueue(url);
}
