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 = null;
if (waitTime > 0)
{
timer = new System.Diagnostics.Stopwatch();
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();
}
/// <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);
}
}
}
