public async Task PerformanceTest_HundredsOfTimingEventsFinishesInAFewSeconds()
{
// create the orchestrator
var context = new EventContext();
context.AddLogAction(
(m) => output.WriteLine(m.ToString())
);
var time = DateTime.Parse("01/01/2018 10:00AM");
// create a consumer that when it receives a time event, that matches it's schedule, it will trigger a log write event
var timeEventConsumer = new TimeEventConsumer();
timeEventConsumer.EventAction = (triggerTime) => context.RaiseEvent(
new LogEvent(context)
{
Message = $"Log of: TimeEvent hit at: {triggerTime.Ticks}",
Time = context.GetTimeNow()
}, timeEventConsumer
);
// create a schedule that will only fire the Action when the time matches the event time
timeEventConsumer.Schedules.Add(new Schedule {
Frequency = ScheduleFrequency.OncePerDay, TimeToRun = time
});
var totalEventsSent = 100;
// create a consumer that will see the evenets and write to the log
var logWriteConsumer = new LogEventConsumer();
context.RegisterConsumer <TimeEvent>(timeEventConsumer);
context.RegisterConsumer <LogEvent>(logWriteConsumer);
// run and ensure the listeners are all responding
context.Initialize();
var tasks = Enumerable.Range(1, totalEventsSent)
.Select(index => Task.Run(() => context.RaiseEvent(new TimeEvent(context, time.AddDays(-1 * index)), null)));
await Task.WhenAll(tasks);
context.AssertEventExists <TimeEvent>(totalEventsSent);
context.AssertEventExists <LogEvent>(totalEventsSent);
output.WriteLine(Environment.NewLine + "Warehouse Contents:");
Parallel.ForEach(logWriteConsumer.LogLines,
new ParallelOptions {
MaxDegreeOfParallelism = 10
},
(line) =>
{
output.WriteLine(line);
}
);
logWriteConsumer.LogLines.Count().Should().Be(totalEventsSent + 1);
}
public void AddScheduledAction(Schedule schedule, Action <DateTime> actionToPerform)
{
var consumer = new TimeEventConsumer();
consumer.Schedules.Add(schedule);
consumer.EventAction = (time) => actionToPerform(time);
RegisterConsumer <TimeEvent>(consumer);
}
public void TimeEventShouldTriggerOneAndOnlyOneSchedule()
{
// create the orchestrator
var context = new EventContext();
context.AddLogAction(
(m) => output.WriteLine(m.ToString())
);
var time = DateTime.Parse("01/01/2018 10:00AM");
// create a consumer that when it receives a time event, that matches it's schedule, it will trigger a log write event
var timeEventConsumer = new TimeEventConsumer();
timeEventConsumer.EventAction = (triggerTime) => context.RaiseEvent(
new LogEvent(context)
{
Message = $"Log of: TimeEvent hit at: {triggerTime.Ticks}",
Time = context.GetTimeNow()
}, timeEventConsumer
);
// create a schedule that will only fire the Action when the time matches the event time
timeEventConsumer.Schedules.Add(new Schedule {
Frequency = ScheduleFrequency.OncePerDay, TimeToRun = time
});
// create a consumer that will see the evenets and write to the log
var logWriteConsumer = new LogEventConsumer();
context.RegisterConsumer <TimeEvent>(timeEventConsumer);
context.RegisterConsumer <LogEvent>(logWriteConsumer);
// run and ensure the listeners are all responding
context.Initialize();
context.RaiseEvent(new TimeEvent(context, time), null);
context.RaiseEvent(new TimeEvent(context, time.AddDays(-10)), null);
context.RaiseEvent(new TimeEvent(context, time.AddDays(10)), null);
Thread.Sleep(500); // just wait a bit for the events to be handled
context.AssertEventExists <TimeEvent>(3);
context.AssertEventExists <LogEvent>(3);
output.WriteLine(Environment.NewLine + "Warehouse Contents:");
logWriteConsumer.LogLines.ForEach(output.WriteLine);
logWriteConsumer.LogLines.Count().Should().Be(4);
}
public async Task PerformanceTest_HundredsOfHeterogeneousEventsFinishesInAFewSeconds()
{
// create the orchestrator
var context = new EventContext();
var time = DateTime.Parse("01/01/2018 10:00AM");
// create a consumer that when it receives a time event, that matches it's schedule, it will trigger a log write event
var timeEventConsumer = new TimeEventConsumer();
timeEventConsumer.EventAction = (triggerTime) => context.RaiseEvent(
new LogEvent(context)
{
Message = $"Log of: TimeEvent hit at: {triggerTime.Ticks}",
Time = context.GetTimeNow()
}, timeEventConsumer
);
// create a schedule that will only fire the Action when the time matches the event time
timeEventConsumer.Schedules.Add(new Schedule {
Frequency = ScheduleFrequency.OncePerDay, TimeToRun = time
});
var totalEventsSent = 10_000;
// create a consumer that will see the evenets and write to the log
var logWriteConsumer = new LogEventConsumer();
context.RegisterConsumer <TimeEvent>(timeEventConsumer);
context.RegisterConsumer <LogEvent>(logWriteConsumer);
// run and ensure the listeners are all responding
context.Initialize();
var stopwatch = new Stopwatch();
var overheadTime = 0m;
stopwatch.Start();
Parallel.ForEach(Enumerable.Range(1, totalEventsSent), new ParallelOptions {
MaxDegreeOfParallelism = 10
},
(index) => { } //context.RaiseEvent(new TimeEvent(context, time.AddDays(-1 * index)), null)
);
stopwatch.Stop();
overheadTime = stopwatch.ElapsedMilliseconds;
// see how long it takes for the events to be emitted and then responded too
stopwatch.Restart();
var tasks = Enumerable.Range(1, totalEventsSent)
.Select(index => Task.Run(() => context.RaiseEvent(new TimeEvent(context, time.AddDays(-1 * index)), null)));
await Task.WhenAll(tasks);
stopwatch.Stop();
var netRunTime = stopwatch.ElapsedMilliseconds - overheadTime;
output.WriteLine($"Total Events: totalEventsSent, Total runtime: {stopwatch.ElapsedMilliseconds}, Runtime: {netRunTime}ms. Avg Event Time: {(netRunTime/totalEventsSent).ToString("G")} ms/event. Events/Second: {(totalEventsSent/netRunTime).ToString("0.0000")} events/ms");
// it should be able to process a hundred events in under a second
stopwatch.ElapsedMilliseconds.Should().BeLessThan(totalEventsSent * (long)2); // each event should never take longer trhan 1.5milliseconds to run
}
