public async Task RunSimulationAsync(string scenario, CancellationToken token)
{
//TODO: we need to find a friendlier way to show this.
if (!_devices.Any())
{
throw new InvalidOperationException("No devices found. Please execute device provisioning first.");
}
ScenarioSimulatorEventSource.Log.SimulationStarted(_hostName, scenario);
var produceEventsForScenario = SimulationScenarios.GetScenarioByName(scenario);
var simulationTasks = new List <Task>();
var warmup = _simulatorConfiguration.WarmupDuration;
var warmupPerDevice = warmup.Ticks;
_observableTotalCount
.Sum()
.Subscribe(total => ScenarioSimulatorEventSource.Log.FinalEventCountForAllDevices(total));
_observableTotalCount
.Buffer(TimeSpan.FromMinutes(5))
.Scan(0, (total, next) => total + next.Sum())
.Subscribe(total => ScenarioSimulatorEventSource.Log.CurrentEventCountForAllDevices(total));
foreach (var device in _devices)
{
var eventSender = new EventSender(
device: device,
config: _simulatorConfiguration,
serializer: Serializer.ToJsonUTF8
);
var deviceTask = SimulateDeviceAsync(
device: device,
produceEventsForScenario: produceEventsForScenario,
sendEventsAsync: eventSender.SendAsync,
waitBeforeStarting: TimeSpan.FromTicks(warmupPerDevice * device.StartupOrder),
totalCount: _observableTotalCount,
token: token
);
simulationTasks.Add(deviceTask);
}
await Task.WhenAll(simulationTasks.ToArray()).ConfigureAwait(false);
_observableTotalCount.OnCompleted();
ScenarioSimulatorEventSource.Log.SimulationEnded(_hostName);
}
public async Task RunSimulationAsync(string scenario, CancellationToken token)
{
//TODO: we need to find a friendlier way to show this.
if (!_devices.Any())
{
throw new InvalidOperationException("No devices found. Please execute device provisioning first.");
}
ScenarioSimulatorEventSource.Log.SimulationStarted(_hostName, scenario);
var produceEventsForScenario = SimulationScenarios.GetScenarioByName(scenario);
var simulationTasks = new List<Task>();
var warmup = _simulatorConfiguration.WarmUpDuration;
var warmupPerDevice = warmup.Ticks / _devices.Count;
ObserveScenarioOuput(_eventsSentCount);
foreach (var device in _devices)
{
var eventSender = new EventSender(
device: device,
config: _simulatorConfiguration,
serializer: Serializer.ToJsonUTF8
);
var deviceTask = SimulateDeviceAsync(
device: device,
produceEventsForScenario: produceEventsForScenario,
sendEventsAsync: eventSender.SendAsync,
waitBeforeStarting: TimeSpan.FromTicks(warmupPerDevice * device.StartupOrder),
totalCount: _eventsSentCount,
token: token
);
simulationTasks.Add(deviceTask);
}
await Task.WhenAll(simulationTasks.ToArray()).ConfigureAwait(false);
_eventsSentCount.OnCompleted();
ScenarioSimulatorEventSource.Log.SimulationEnded(_hostName);
}
public async Task RunSimulationAsync(string scenario, CancellationToken token)
{
ScenarioSimulatorEventSource.Log.SimulationStarted(_hostName, scenario);
var produceEventsForScenario = SimulationScenarios.GetScenarioByName(scenario);
var simulationTasks = new List<Task>();
var warmup = _simulatorConfiguration.WarmupDuration;
var warmupPerDevice = warmup.Ticks / _devicesPerInstance;
var messagingFactories =
Enumerable.Range(0, _simulatorConfiguration.SenderCountPerInstance)
.Select(i => MessagingFactory.CreateFromConnectionString(_simulatorConfiguration.EventHubConnectionString))
.ToArray();
_observableTotalCount
.Sum()
.Subscribe(total => ScenarioSimulatorEventSource.Log.FinalEventCountForAllDevices(total));
_observableTotalCount
.Buffer(TimeSpan.FromMinutes(5))
.Scan(0, (total, next) => total + next.Sum())
.Subscribe(total => ScenarioSimulatorEventSource.Log.CurrentEventCountForAllDevices(total));
try
{
for (int i = 0; i < _devicesPerInstance; i++)
{
// Use the short form of the host or instance name to generate the vehicle ID
var deviceId = String.Format("{0}-{1}", ConfigurationHelper.InstanceName, i);
var eventSender = new EventSender(
messagingFactory: messagingFactories[i % messagingFactories.Length],
config: _simulatorConfiguration,
serializer: Serializer.ToJsonUTF8
);
var deviceTask = SimulateDeviceAsync(
deviceId: deviceId,
produceEventsForScenario: produceEventsForScenario,
sendEventsAsync: eventSender.SendAsync,
waitBeforeStarting: TimeSpan.FromTicks(warmupPerDevice * i),
totalCount: _observableTotalCount,
token: token
);
simulationTasks.Add(deviceTask);
}
await Task.WhenAll(simulationTasks.ToArray());
_observableTotalCount.OnCompleted();
}
finally
{
// cannot await on a finally block to do CloseAsync
foreach (var factory in messagingFactories)
{
factory.Close();
}
}
ScenarioSimulatorEventSource.Log.SimulationEnded(_hostName);
}