public void SetUp()
{
Configuration configuration = new Configuration();
configuration.EngineDefaults.ThreadingConfig.IsInternalTimerEnabled = false;
configuration.AddEventType("MarketDataEvent", typeof(MarketDataEvent).FullName);
configuration.EngineDefaults.EventMetaConfig.ClassPropertyResolutionStyle = PropertyResolutionStyle.CASE_INSENSITIVE;
_epService = EPServiceProviderManager.GetProvider("TestTicksPerSecondStatement", configuration);
_epService.Initialize();
_epService.EPRuntime.SendEvent(new CurrentTimeEvent(0));
TicksPerSecondStatement.Create(_epService.EPAdministrator);
var stmt = TicksFalloffStatement.Create(_epService.EPAdministrator);
_listener = new SupportUpdateListener();
stmt.Events += _listener.Update;
// Use external clocking for the test
_epService.EPRuntime.SendEvent(new TimerControlEvent(TimerControlEvent.ClockTypeEnum.CLOCK_EXTERNAL));
}
public void Run()
{
if (_isWaitKeypress)
{
Console.WriteLine("...press enter to start simulation...");
Console.ReadKey();
}
// Configure engine with event names to make the statements more readable.
// This could also be done in a configuration file.
Configuration configuration = new Configuration();
configuration.AddEventType("MarketDataEvent", typeof(MarketDataEvent).FullName);
// Get engine instance
EPServiceProvider epService = EPServiceProviderManager.GetProvider(_engineURI, configuration);
// Set up statements
var tickPerSecStmt = TicksPerSecondStatement.Create(epService.EPAdministrator);
tickPerSecStmt.Events += LogRate;
var falloffStmt = TicksFalloffStatement.Create(epService.EPAdministrator);
falloffStmt.Events += MonitorRate;
// Send events
var threadPool = new DedicatedExecutorService(string.Empty, _numberOfThreads);
MarketDataSendRunnable[] runnables = new MarketDataSendRunnable[_numberOfThreads];
for (int i = 0; i < _numberOfThreads; i++)
{
runnables[i] = new MarketDataSendRunnable(epService);
threadPool.Submit(runnables[i].Run);
}
int seconds = 0;
Random random = new Random();
while (seconds < _numSeconds)
{
seconds++;
Thread.Sleep(1000);
FeedEnum? feedToDropOff;
if (random.NextDouble() * 100 < _dropProbability)
{
feedToDropOff = FeedEnum.FEED_A;
if (random.Next(0, 2) == 1)
{
feedToDropOff = FeedEnum.FEED_B;
}
Log.Info("Setting drop-off for feed {0}", feedToDropOff);
}
else
{
feedToDropOff = null;
}
foreach (MarketDataSendRunnable t in runnables)
{
t.SetRateDropOffFeed(feedToDropOff);
}
}
Log.Info("Shutting down threadpool");
for (int i = 0; i < runnables.Length; i++)
{
runnables[i].SetShutdown();
}
threadPool.Shutdown();
threadPool.AwaitTermination(new TimeSpan(0, 0, 0, 10));
}