public SimCore()
{
simCoreLock = new object();
simTimeLock = new object();
state = SimCoreState.UNINITIALIZED;
eventLoopThread = null;
}
public void Stop()
{
lock (simCoreLock)
{
if (server != null)
{
server.Shutdown();
state = SimCoreState.STOPPING;
}
}
}
public void Start(string simModelFile, int serverPort)
{
lock (simCoreLock)
{
InitializeDynamicData();
InitializeSimulationModel(simModelFile);
InitializeDistributor();
InitializeBlackboard();
InitializeServer(serverPort);
InitializeSimulators();
state = SimCoreState.RUNNING;
server.ListenForConnections();
}
eventLoopThread = new Thread(new ThreadStart(EventLoop));
eventLoopThread.Start();
}
public void Reset()
{
lock (simCoreLock)
{
state = SimCoreState.STOPPING;
}
while (state != SimCoreState.UNINITIALIZED)
{
Thread.Sleep(20);
}
lock (simCoreLock)
{
InitializeDynamicData();
InitializeBlackboard();
InitializeSimulators();
state = SimCoreState.RUNNING;
}
eventLoopThread = new Thread(new ThreadStart(EventLoop));
eventLoopThread.Start();
}
public void InitializeDynamicData()
{
simulationTime = 0;
state = SimCoreState.UNINITIALIZED;
}
private void EventLoop()
{
try
{
List <SimulationEvent> events = null;
DateTime nowTimer = new DateTime();
DateTime tickTimer = DateTime.Now;
DateTime startTime = new DateTime();
int eventCounter = 0;
long start;
long end;
Dictionary <string, long> simTimes = new Dictionary <string, long>();
foreach (SimulatorExecutionInfo sei in simModelInfo.simulationExecutionModel.simulators)
{
simTimes[sei.simulatorName] = 0;
}
while (true)
{
nowTimer = DateTime.Now;
lock (simCoreLock)
{
switch (state)
{
case SimCoreState.UNINITIALIZED:
throw new Exception("SimCore: shouldn't be in event loop if uninitialized");
case SimCoreState.RUNNING:
//distributor.StopIncoming();
events = distClient.GetEvents();
eventCounter = events.Count;
foreach (SimulationEvent e in events)
{
switch (e.eventType)
{
case "TimeTick":
lock (simTimeLock)
{
simulationTime = (int)((IntegerValue)e["Time"]).value;
if (ServerOptions.UsePerformanceLog)
{
StringBuilder b = new StringBuilder();
b.AppendFormat("SimCore Metric: SimTime: {0}; Processing Time: {1}.", simulationTime / 1000, DateTime.Now - tickTimer);
PerformanceLog.Write(b.ToString());
}
tickTimer = DateTime.Now;
if (simulationTime == 1000)
{
startTime = DateTime.Now;
}
}
break;
case "ExternalApp_SimStop":
//Console.Out.WriteLine("SimCore Metric: Exiting SimCore loop. Total run time: {0}; Total ticks: {1}.", DateTime.Now - startTime, (simulationTime / 1000) - 1);//-1 because it is starting at time 1
isReady = false;
break;
//case "PauseScenario":
// if (simulators.ContainsKey("ViewPro"))
// {
// ((ViewProSim)simulators["ViewPro"]).PauseScenario();
// }
// break;
//case "ResumeScenario":
// if (simulators.ContainsKey("ViewPro"))
// {
// ((ViewProSim)simulators["ViewPro"]).ResumeScenario();
// }
// break;
case "ResetSimulation":
lock (simTimeLock)
{
simulationTime = 0;
isReady = false;
}
break;
default:
break;
}
//foreach (SimulatorExecutionInfo sei in simModelInfo.simulationExecutionModel.simulators)
foreach (KeyValuePair <String, ISimulator> sim in simulators)
{
start = DateTime.Now.Ticks;
//simulators[sei.simulatorName].ProcessEvent(e);
sim.Value.ProcessEvent(e);
end = DateTime.Now.Ticks;
//simTimes[sei.simulatorName] += (end - start);
simTimes[sim.Key] += (end - start);
}
if (e.eventType == "StartupComplete")
{
SimulationEvent ev = SimulationEventFactory.BuildEvent(ref simModelInfo, "SimCoreReady");
isReady = true;
distClient.PutEvent(ev);
if (ServerOptions.UsePerformanceLog)
{
foreach (SimulatorExecutionInfo sei in simModelInfo.simulationExecutionModel.simulators)
{
if (!simTimes.ContainsKey(sei.simulatorName))
{
continue;
}
StringBuilder b = new StringBuilder();
b.AppendFormat("SimCore Metric: Initialization time in: {0} was {1} seconds.", sei.simulatorName, simTimes[sei.simulatorName] / 10000000.0);
PerformanceLog.Write(b.ToString());
simTimes[sei.simulatorName] = 0;
}
}
}
}
if (eventCounter > 0)
{
//Console.Out.WriteLine("SimCore Metric: Events Processed: {0}; processing time: {1}.", eventCounter, DateTime.Now - nowTimer);
//distributor.ResumeIncoming();
}
break;
case SimCoreState.STOPPING:
long total = 0;
if (ServerOptions.UsePerformanceLog)
{
foreach (SimulatorExecutionInfo sei in simModelInfo.simulationExecutionModel.simulators)
{
if (!simTimes.ContainsKey(sei.simulatorName))
{
continue;
}
total += simTimes[sei.simulatorName];
}
foreach (SimulatorExecutionInfo sei in simModelInfo.simulationExecutionModel.simulators)
{
if (!simTimes.ContainsKey(sei.simulatorName))
{
continue;
}
StringBuilder b = new StringBuilder();
b.AppendFormat("SimCore Metric: Total time in: {0} was {1} seconds which is {2}% of total simulator time.", sei.simulatorName, simTimes[sei.simulatorName] / 10000000.0, (((double)simTimes[sei.simulatorName]) / total) * 100.0);
PerformanceLog.Write(b.ToString());
}
}
state = SimCoreState.UNINITIALIZED;
return;
}
}
Thread.Sleep(updateFrequency / 10);
}
}
catch (ThreadAbortException) { }
catch (Exception exc)
{
MessageBox.Show("An error '" + exc.Message + "' has occurred in the Simulation Server.\nPlease email the C:\\DDDErrorLog.txt file to Aptima customer support with a description of what you were doing at the time of the error.");
ErrorLog.Write(exc.ToString() + "\n");
throw new Exception();
}
}