/// <summary> command queue constructor. </summary>
/// <param name="disposeStack"> DisposeStack. </param>
/// <param name="cmdMessenger"> The command messenger. </param>
public CommandQueue(DisposeStack disposeStack, CmdMessenger cmdMessenger)
{
CmdMessenger = cmdMessenger;
disposeStack.Push(this);
EventWaiter = new EventWaiter();
// Create queue thread and wait for it to start
QueueThread = new Thread(ProcessQueue)
{
Priority = ThreadPriority.Normal
};
QueueThread.Start();
while (!QueueThread.IsAlive && QueueThread.ThreadState != ThreadState.Running)
{
Thread.Sleep(TimeSpan.FromMilliseconds(25));
}
}
/// <summary> Queue the send command wrapped in a command strategy. </summary>
/// <param name="commandStrategy"> The command strategy. </param>
public override void QueueCommand(CommandStrategy commandStrategy)
{
while (Queue.Count > MaxQueueLength)
{
Thread.Yield();
}
lock (Queue)
{
// Process commandStrategy enqueue associated with command
commandStrategy.CommandQueue = Queue;
commandStrategy.ThreadRunState = ThreadRunState;
commandStrategy.Enqueue();
// Process all generic enqueue strategies
foreach (var generalStrategy in GeneralStrategies)
{
generalStrategy.OnEnqueue();
}
}
EventWaiter.Set();
}
/// <summary> Process the queue. </summary>
protected override void ProcessQueue()
{
// Endless loop unless aborted
while (ThreadRunState != ThreadRunStates.Abort)
{
// Calculate sleep time based on incoming command speed
//_queueSpeed.SetCount(Queue.Count);
//_queueSpeed.CalcSleepTime();
EventWaiter.Wait(1000);
// Process queue unless stopped
if (ThreadRunState == ThreadRunStates.Start)
{
// Only actually sleep if there are no commands in the queue
SendCommandsFromQueue();
// _queueSpeed.Sleep();
}
//else
//{
// _queueSpeed.Sleep();
//}
}
}