/// <summary> Adds a unit of work to the list </summary>
public void AddWork(WaitAndContinueList list)
{
if (_control.HasQuit)
{
throw new ObjectDisposedException(GetType().FullName);
}
_work.AddWork(list);
_control.Modified();
}
/// <summary> Constructs a thread to process IWaitAndContinue work items </summary>
public WaitAndContinueWorker()
{
_control = new WorkerControl();
_work = new WaitAndContinueList();
_work.AddWork(_control);
_worker = new Thread(Run);
_worker.SetApartmentState(ApartmentState.MTA);
_worker.IsBackground = true;
_worker.Name = GetType().Name;
_worker.Start();
}
/// <summary> Constructs a thread to process IWaitAndContinue work items </summary>
public WaitAndContinueWorker()
{
_control = new WorkerControl();
_work = new WaitAndContinueList();
_work.AddWork(_control);
_worker = new Thread(Run);
_worker.SetApartmentState(ApartmentState.MTA);
_worker.IsBackground = true;
_worker.Name = GetType().Name;
_worker.Start();
}
/// <summary> Moves the work in the other list into this list </summary>
public void AddWork(WaitAndContinueList other)
{
if (_disposed) throw new ObjectDisposedException(GetType().FullName);
lock (_list)
lock (other._list)
{
Node next = other._list.First;
while (next != null)
{
Node node = next;
next = next.Next;
other._list.Remove(node);
_list.AddLast(node);
}
}
}
/// <summary> Moves the work in the other list into this list </summary>
public void AddWork(WaitAndContinueList other)
{
if (_disposed)
{
throw new ObjectDisposedException(GetType().FullName);
}
lock (_list)
lock (other._list)
{
Node next = other._list.First;
while (next != null)
{
Node node = next;
next = next.Next;
other._list.Remove(node);
_list.AddLast(node);
}
}
}
private int InternalSend(int waitTime, IEnumerable<string> identities, string eventName, params string[] arguments)
{
int count = 0;
using (WaitAndContinueList work = new WaitAndContinueList())
{
foreach (string identity in Check.NotNull(identities))
{
IpcEventMessage m = new IpcEventMessage(this, ExecutionTimeout, identity, eventName, arguments);
if (!m.Completed)
work.AddWork(m);
else
count += m.Successful ? 1 : 0;
}
if (!work.IsEmpty)
{
//Waiting while in-call results in dead-locks, so we force these to defer if they do not complete immediatly
if (InCall) waitTime = 0;
System.Diagnostics.Stopwatch timer = new System.Diagnostics.Stopwatch();
if (waitTime > 0)
timer.Start();
IWaitAndContinue waitItem;
int ticksRemaining = waitTime;
while (work.PerformWork(ticksRemaining, out waitItem))
{
count += ((IpcEventMessage) waitItem).Successful ? 1 : 0;
if (waitTime > 0 && (ticksRemaining = (int) (waitTime - timer.ElapsedMilliseconds)) < 0)
break;
}
if (!work.IsEmpty)
{
WaitAndContinueWorker worker = _deferred;
if (worker != null)
try { worker.AddWork(work); } catch (ObjectDisposedException) { }
}
}
}
return count;
}
/// <summary> Adds a unit of work to the list </summary>
public void AddWork(WaitAndContinueList list)
{
if (_control.HasQuit) throw new ObjectDisposedException(GetType().FullName);
_work.AddWork(list);
_control.Modified();
}
public void TestCompletedEnqueue()
{
WaitAndContinueList work = new WaitAndContinueList();
SampleWork item = new SampleWork();
item.Completed = true;
Assert.IsFalse(item.Disposed);
work.AddWork(item);
Assert.IsTrue(work.IsEmpty);
Assert.IsTrue(item.Disposed);
}
public void TestPerformWork()
{
WaitAndContinueList work = new WaitAndContinueList();
SampleWork item1, item2;
IWaitAndContinue signaled;
work.AddWork(item1 = new SampleWork());
work.AddWork(item2 = new SampleWork());
Assert.AreEqual(2, work.Count);
Assert.IsFalse(work.IsEmpty);
//normally done as a loop: while(work.Perform(timeout)) { }
Assert.IsFalse(work.PerformWork(1));
item2.Ready.Set();
Assert.IsTrue(work.PerformWork(0));
Assert.IsTrue(item2.Completed);
Assert.IsTrue(item2.Disposed);
Assert.IsFalse(work.PerformWork(1));
item1.Cancel.Set();
Assert.IsTrue(work.PerformWork(0, out signaled));
Assert.IsTrue(ReferenceEquals(signaled, item1));
Assert.IsTrue(item1.Completed);
Assert.IsTrue(item1.Cancelled);
Assert.IsTrue(item1.Disposed);
Assert.IsTrue(work.IsEmpty);
Assert.AreEqual(0, work.Count);
Assert.IsFalse(work.PerformWork(1));
}
public void TestAddWorkListToDisposedWorker()
{
WaitAndContinueWorker work = new WaitAndContinueWorker();
work.Complete(false, 100);
work.Dispose();
WaitAndContinueList list = new WaitAndContinueList();
list.AddWork(new SampleWork());
work.AddWork(list);
}
public void TestAddWorkListToDisposedList()
{
WaitAndContinueList work = new WaitAndContinueList();
work.Dispose();
work.AddWork(new WaitAndContinueList());
}
public void TestPerformDisposedWork()
{
WaitAndContinueList work = new WaitAndContinueList();
SampleWork item = new SampleWork();
Assert.IsFalse(item.Disposed);
work.AddWork(item);
Assert.IsFalse(work.PerformWork(0));
item.Dispose();
Assert.IsFalse(work.PerformWork(0));
item.Completed = true;//Normally this would be set in the Dispose method of the WorkItem, but we are testing
Assert.IsFalse(work.PerformWork(0));
Assert.IsTrue(work.IsEmpty);
Assert.IsTrue(item.Disposed);
}
public void TestPerformByAbandonMutex()
{
Mutex abandondMutex = new Mutex();
Thread t = new Thread(delegate() { abandondMutex.WaitOne(); });
t.Start();
t.Join();
WaitAndContinueList work = new WaitAndContinueList();
SampleWork item = new SampleWork();
item.Mutex = abandondMutex;
Assert.IsFalse(item.Disposed);
work.AddWork(item);
Assert.IsTrue(work.PerformWork(0));
Assert.IsTrue(work.IsEmpty);
Assert.IsTrue(item.Disposed);
Assert.IsTrue(item.MutexAcquired);
}
public void TestPerformWorkThrows()
{
WaitAndContinueList work = new WaitAndContinueList();
SampleWork item = new SampleWork();
item.WorkThrows = true;
work.AddWork(item);
Assert.IsFalse(work.IsEmpty);
Assert.IsFalse(work.PerformWork(1));
item.Ready.Set();
try
{
work.PerformWork(0);
Assert.Fail("Expected exception.");
}
catch (ArgumentOutOfRangeException ae)
{
Assert.AreEqual("WorkThrows", ae.ParamName);
}
Assert.IsTrue(work.IsEmpty);
Assert.IsTrue(item.Disposed);
Assert.IsFalse(item.Completed); // incomplete, but still disposed... abandond due to exception.
}
