public EventSender(Device device, SimulatorConfiguration config, Func<object,byte[]> serializer)
{
_serializer = serializer;
var connectionString = ServiceBusConnectionStringBuilder.CreateUsingSharedAccessSignature(
device.Endpoint, device.EventHubName, device.Id, device.Token);
_eventHubSender = EventHubSender.CreateFromConnectionString(connectionString);
}
public static UpdateTemperatureEvent ThirtyDegreeTemperatureEventFactory(Random random, Device device)
{
return new UpdateTemperatureEvent
{
DeviceId = device.Id,
TimeObserved = DateTime.UtcNow,
Temperature = 30,
};
}
public static UpdateTemperatureEvent TemperatureEventFactory(Random random, Device device)
{
if (!device.CurrentTemperature.HasValue)
{
device.CurrentTemperature = random.Next(25);
}
else
{
var temperatureChange = random.Next(-2, 3);
device.CurrentTemperature += temperatureChange;
}
return new UpdateTemperatureEvent
{
DeviceId = device.Id,
TimeObserved = DateTime.UtcNow,
Temperature = device.CurrentTemperature.Value,
};
}
public object CreateNewEvent(Device device)
{
return _eventFactory(_random, device);
}
private static async Task SimulateDeviceAsync(
Device device,
Func<EventEntry[]> produceEventsForScenario,
Func<object, Task<bool>> sendEventsAsync,
TimeSpan waitBeforeStarting,
IObserver<int> totalCount,
CancellationToken token)
{
ScenarioSimulatorEventSource.Log.WarmingUpFor(device.Id, waitBeforeStarting.Ticks);
try
{
await Task.Delay(waitBeforeStarting, token);
}
catch (TaskCanceledException)
{
return;
}
var messagingEntries = produceEventsForScenario();
device.ObservableEventCount
.Sum()
.Subscribe(total => ScenarioSimulatorEventSource.Log.FinalEventCount(device.Id, total));
device.ObservableEventCount
.Subscribe(totalCount.OnNext);
await device.RunSimulationAsync(messagingEntries, sendEventsAsync, token).ConfigureAwait(false);
}