public void threadStartMethod()
{
stopwatch.Start();
while (true)
{
processControlMessages();
switch (state)
{
case NodeExecutionState.WaitForStart:
/* // broadcast isready signal to directorNode every second
* if (stopwatch.ElapsedMilliseconds - lastStatusMessageToCoordinator > 1000){
* proxyProvider.getProxy(settings.directorNodeName).ReceiveDCEPControlMessageFork(new NodeIsReadyToStartMessage(nodeName));
* //Console.WriteLine(TAG + "sending ready to start message to director node "+settings.directorNodeName.ToString());
* lastStatusMessageToCoordinator = stopwatch.ElapsedMilliseconds;
* } */
if (!sentReadyToStartMessage)
{
proxyProvider.getProxy(settings.directorNodeName).ReceiveDCEPControlMessageFork(new NodeIsReadyToStartMessage(nodeName));
sentReadyToStartMessage = true;
}
break;
case NodeExecutionState.DoStartInputGeneration:
// TODO: check if this is not already running and throw an error if it is
primitiveEventSourceService.start();
state = NodeExecutionState.Running;
processingStep();
break;
case NodeExecutionState.Running:
processingStep();
break;
case NodeExecutionState.DoStopInputGeneration:
primitiveEventSourceService.stop();
state = NodeExecutionState.ProcessingRemainder;
break;
case NodeExecutionState.ProcessingRemainder:
processingStep();
// when queues are empty, send isReadyToTerminate message every second
if (getQueuedEventCount() == 0)
{
if (stopwatch.ElapsedMilliseconds - lastStatusMessageToCoordinator > 1000)
{
proxyProvider.getProxy(settings.directorNodeName)
.ReceiveDCEPControlMessageFork(new NodeIsReadyToTerminateMessage(nodeName));
lastStatusMessageToCoordinator = stopwatch.ElapsedMilliseconds;
}
}
break;
case NodeExecutionState.DoSendExperimentDataAndTerminate:
var data = new ExperimentRunData(
locallyGeneratedComplexEventCount,
receivedEventCount,
locallyGeneratedPrimitiveEventCount,
locallyDroppedComplexEvents);
proxyProvider.getProxy(settings.directorNodeName).ReceiveDCEPControlMessageFork(new ExperimentRunNodeDataMessage(nodeName, data));
Console.WriteLine(TAG + "Sent experiment data. Update loop is terminating.");
Thread.Sleep(500);
if (getQueuedEventCount() > 0)
{
Console.WriteLine(TAG + String.Format("WARNING: requested to terminate with {0} events left in queue.", getQueuedEventCount()));
}
if (directorNodeService != null)
{
while (!directorNodeService.localNodeCanTerminate)
{
processControlMessages();
}
}
return;
case NodeExecutionState.DoTerminate:
if (getQueuedEventCount() > 0)
{
Console.WriteLine(TAG + String.Format("WARNING: requested to terminate with {0} events left in queue.", getQueuedEventCount()));
}
return;
}
}
}
public ExperimentRunNodeDataMessage(NodeName sendingNode, ExperimentRunData nodeData) : base(sendingNode)
{
this.nodeData = nodeData;
}