/// <summary>
/// Download all the images for the current session
/// </summary>
public void DownloadAllTreatmentImages()
{
Barrier barrier = new Barrier(_patient.PatientTreatment.TrainingList.Count + 2);
Task treatmentThread = new Task(() =>
{
//Downloading all thumbs in treatment
DownloadTreatment();
barrier.SignalAndWait();
});
treatmentThread.Start();
foreach(Training t in _patient.PatientTreatment.TrainingList)
{
Task tt = new Task(() =>
{
DownloadTraining(_patient.PatientTreatment.TrainingList.IndexOf(t));
barrier.SignalAndWait();
});
tt.Start();
}
barrier.SignalAndWait();
barrier.Dispose();
}
public async Task ExecuteTasksSequentiallyAndInOrder()
{
using (var testSubject = new MissionControl())
{
var fool = testSubject.SpawnFool();
var sentMessage = new SimpleTestMessage();
SimpleTestMessage receivedMessage = null;
var barrier = new Barrier(2);
var first = fool.DoWork(
sentMessage,
msg =>
{
barrier.SignalAndWait();
receivedMessage = msg;
});
var second = fool.DoWork(sentMessage, msg => { barrier.SignalAndWait(); });
var done = Task.WhenAll(first, second)
.ContinueWith(
t =>
{
barrier.Dispose();
return Work.Completed;
});
var timeout = Task.Delay(100.Milliseconds())
.ContinueWith(t => Work.TimedOut);
var result = await await Task.WhenAny(done, timeout);
result.Should()
.Be(Work.TimedOut);
}
}
public void Start()
{
_barrier = new Barrier(2);
_worker = new Thread(Worker);
_worker.Start();
_barrier.SignalAndWait();
_barrier.Dispose();
_barrier = null;
}
public static bool CancelBeforeWait()
{
TestHarness.TestLog("* BarrierCancellationTests.CancelBeforeWait()");
bool passed = true;
Barrier barrier = new Barrier(3);
CancellationTokenSource cs = new CancellationTokenSource();
cs.Cancel();
CancellationToken ct = cs.Token;
const int millisec = 100;
TimeSpan timeSpan = new TimeSpan(100);
passed &= TestHarnessAssert.EnsureOperationCanceledExceptionThrown(() => barrier.SignalAndWait(ct), ct, "An OCE should have been thrown.");
passed &= TestHarnessAssert.EnsureOperationCanceledExceptionThrown(() => barrier.SignalAndWait(millisec, ct), ct, "An OCE should have been thrown.");
passed &= TestHarnessAssert.EnsureOperationCanceledExceptionThrown(() => barrier.SignalAndWait(timeSpan, ct), ct, "An OCE should have been thrown.");
barrier.Dispose();
return passed;
}
public static void BarrierCancellationTestsCancelBeforeWait()
{
Barrier barrier = new Barrier(3);
CancellationTokenSource cs = new CancellationTokenSource();
cs.Cancel();
CancellationToken ct = cs.Token;
const int millisec = 100;
TimeSpan timeSpan = new TimeSpan(100);
EnsureOperationCanceledExceptionThrown(
() => barrier.SignalAndWait(ct), ct,
"CancelBeforeWait: An OCE should have been thrown.");
EnsureOperationCanceledExceptionThrown(
() => barrier.SignalAndWait(millisec, ct), ct,
"CancelBeforeWait: An OCE should have been thrown.");
EnsureOperationCanceledExceptionThrown(
() => barrier.SignalAndWait(timeSpan, ct), ct,
"CancelBeforeWait: An OCE should have been thrown.");
barrier.Dispose();
}
private void BtnAll_Click(object sender, EventArgs e)
{
EnableUI(false);
_sorterRunning = int.MaxValue;
bool fast = ModifierKeys == Keys.Shift;
_cts = new CancellationTokenSource();
var barrier = new Barrier(0, DrawArrays);
var tasks = new List<Task>(_sorters.Count)
{
// Dummy task, so that the continuation below is run for sure.
Task.Run(() => { return; }),
};
var ui = SynchronizationContext.Current;
for (int i = 0; i < _sorters.Count; ++i)
{
var sorter = _sorters[i];
if (sorter.Run)
{
sorter.Abort = _cts.Token;
if (!fast)
{
sorter.SteppedExecution = barrier;
sorter.SteppedExecution.AddParticipant();
}
sorter.Numbers = _numbers;
tasks.Add(Task.Factory.StartNew(() =>
{
sorter.Sort();
}, _cts.Token, TaskCreationOptions.LongRunning, TaskScheduler.Current));
}
}
Task.WhenAll(tasks).ContinueWith(_ =>
{
ui.Post(delegate
{
EnableUI(true);
DrawArrays(null);
DgvSorters.Refresh();
}, null);
barrier.Dispose();
_cts.Dispose();
_cts = null;
});
}
/// <summary>
/// Download training preview images for the treatment screen
/// </summary>
public void DownloadTreatment()
{
//crearte dir for user (if not already created)
//string newDir = CreateDir(dir, _patient.AccountId.ToString());
//newDir = CreateDir(newDir, _patient.PatientTreatment.TreatmentNumber.ToString());
string newDir = CreateDir(dir, "treatmentThumb");
//initilaize the barrier
int size = _patient.PatientTreatment.TrainingList.Count;
//Barrier _barrier = new Barrier(size + 1);
Barrier _barrier = new Barrier(1);
for (int i = 0; i < size; i++)
{
int temp = i;
string _from = _patient.PatientTreatment.TrainingList[temp].TrainingThumbs;
string _to = newDir + "\\" + _patient.PatientTreatment.TrainingList[temp].TrainingId + ".png";
_patient.PatientTreatment.TrainingList[temp].TrainingThumbs = _to;
if (!File.Exists(_to))
{
_barrier.AddParticipant();
Task tempThread = new Task(() =>
{
DownloadFile(_from, _to);
_barrier.SignalAndWait();
});
tempThread.Start();
}
}
_barrier.SignalAndWait();
_barrier.Dispose();
}
private void TerminateWorker()
{
_barrier = new Barrier(2);
_terminate = true;
_barrier.SignalAndWait();
_barrier.Dispose();
_barrier = null;
}
/// <summary>
/// Test Dispose
/// </summary>
/// <returns>Tru if the test succeeded, false otherwise</returns>
private static bool RunBarrierTest6_Dispose()
{
TestHarness.TestLog("*RunBarrierTest6_Dispose");
Barrier b = new Barrier(1);
b.Dispose();
try
{
b.SignalAndWait();
}
catch (ObjectDisposedException)
{
TestHarness.TestLog("Dispose succeeded");
return true;
}
TestHarness.TestLog("Cancel failed, SignalAndWait didn't throw exceptions after Dispose.");
return false;
}
/// <summary>
/// Parallel Dijkstra algorithm
/// </summary>
///
/// <param name="graph">
/// <see cref="Graph"/> object to check the path for
/// </param>
///
/// <param name="start">
/// Start
/// </param>
///
/// <returns>
/// List of <see cref="Link"/> objects
/// </returns>
private static List<Link> Dijkstra_p(Graph graph, int start)
{
List<Vertex> P =
(from v in graph.Vertices
select new Vertex(v, graph.Links)).ToList();
var qT =
from vertex in P
where vertex.ID != start
orderby vertex.ID ascending
select vertex;
Queue<Vertex> Q = new Queue<Vertex>(qT);
Vertex curr = P[start];
curr.closest_distance = 0.0f;
while (Q.Count > 0)
{
Barrier barrier = new Barrier(curr.neighbors.Count + 1);
foreach (Tuple<int, double> n in curr.neighbors)
{
var tuple = n;
ThreadPool.QueueUserWorkItem(
obj =>
{
Vertex neighbor = P[tuple.Item1];
double dist = tuple.Item2 + curr.closest_distance;
bool contains = (from v in Q where v.ID == tuple.Item1 select v).Count() > 0;
if (contains && (dist < neighbor.closest_distance))
{
neighbor.closest = curr;
neighbor.closest_distance = dist;
}
barrier.SignalAndWait();
},
null);
}
barrier.SignalAndWait();
barrier.Dispose();
curr = Q.Dequeue();
}
return
(from v in P
where v.ID != start
select new Link(v.ID, v.closest.ID, v.closest_distance)).ToList();
}
public void NotifyCallQueueOnEveryUserButPostingUser()
{
var service = GetService();
var topic = new Topic(123);
var user = new User(768, DateTime.MinValue);
var list = new List<User> { user, new User(2, DateTime.MinValue) };
_mockSubRepo.Setup(s => s.GetSubscribedUsersThatHaveViewed(topic.TopicID)).Returns(list);
var topicLink = "foo";
Func<User, string> gen = u => "x" + u.UserID;
var barrier = new Barrier(1);
Action action = () =>
{
service.NotifySubscribers(topic, user, topicLink, gen);
barrier.SignalAndWait();
};
action.Invoke();
barrier.Dispose();
_mockSubTopicEmail.Verify(s => s.ComposeAndQueue(topic, It.IsAny<User>(), topicLink, It.IsAny<string>()), Times.Exactly(1));
_mockSubTopicEmail.Verify(s => s.ComposeAndQueue(topic, list[0], topicLink, "x" + list[0].UserID), Times.Exactly(0));
_mockSubTopicEmail.Verify(s => s.ComposeAndQueue(topic, list[1], topicLink, "x" + list[1].UserID), Times.Exactly(1));
}
