public void Start(DateTime startTime, TimeSpan duration)
{
var running = true;
var start = DateTime.UtcNow;
Heartbeats = new List<Heartbeat>();
while (running)
{
CancellationToken.ThrowIfCancellationRequested();
var now = DateTime.UtcNow;
var runtime = now - start;
var iterations = _loadTest.TotalIterations;
var throughput = iterations / runtime.TotalSeconds;
if (double.IsNaN(throughput) || double.IsInfinity(throughput)) continue;
var heartbeat = new Heartbeat
{
Timestamp = now,
Runtime = runtime,
TotalRuntime = DateTime.Now - startTime,
Throughput = throughput,
TotalIterations = iterations,
TotalErrors = _loadTest.TotalErrors,
TotalThreads = _loadTest.TotalThreads
};
Heartbeats.Add(heartbeat);
OnHeartbeat(heartbeat);
if (runtime >= duration)
{
running = false;
}
else if (DateTime.UtcNow - start < duration)
{
Thread.Sleep(1000);
}
}
}
private void OnHeartbeat(Heartbeat heartbeat)
{
var handler = Heartbeat;
if (handler != null)
{
handler(this, heartbeat); //todo: add try catch?
}
}