public Task Run(IWorkContext context)
{
context.Verify(nameof(context)).IsNotNull();
context = context
.WithCreateLogger(nameof(ReceiveMessages))
.With(_tag);
context.Telemetry.Info(context, "Receiving events...");
_messageCount = 0;
try
{
_sampler.Start();
using Timer timer = new Timer(x => MetricsOutput(context), null, TimeSpan.FromSeconds(5), TimeSpan.FromSeconds(5));
Task.WaitAll(new MessageReceiverHost().Run(context, _option.TaskCount, async x => await ReceiveMessage(context, x)));
}
catch (Exception ex)
{
context.Telemetry.Error(context, "Send failed", ex);
throw;
}
finally
{
_sampler.Stop();
MetricsOutput(context);
}
MetricsOutput(context);
context.Telemetry.Info(context, $"Received {_messageCount} messages");
return(Task.CompletedTask);
}
public async Task Run(IWorkContext context)
{
context.Verify(nameof(context)).IsNotNull();
context = context
.WithCreateLogger(nameof(ReceiveEvents))
.With(_tag);
context.Telemetry.Info(context, "Receiving events...");
_messageCount = 0;
try
{
_sampler.Start();
using Timer timer = new Timer(x => MetricsOutput(context), null, TimeSpan.FromSeconds(5), TimeSpan.FromSeconds(5));
// Registers the Event Processor Host and starts receiving messages
EventProcessorOptions eventOption = EventProcessorOptions.DefaultOptions;
eventOption.ReceiveTimeout = TimeSpan.FromSeconds(5);
await _eventReceiverHost.RegisterEventProcessorFactoryAsync(new EventProcessFactory(context, _sampler), eventOption);
while (!context.CancellationToken.IsCancellationRequested)
{
await Task.Delay(500);
}
}
catch (Exception ex)
{
context.Telemetry.Error(context, "Send failed", ex);
throw;
}
finally
{
context.Telemetry.Info(context, "Unregister event processing...");
// Disposes of the Event Processor Host
await _eventReceiverHost.UnregisterEventProcessorAsync();
_sampler.Stop();
MetricsOutput(context);
}
MetricsOutput(context);
context.Telemetry.Info(context, $"Received {_messageCount} messages");
}
public void GivenSampler_WhenTestingFast_ShouldHaveSingleSummaryRecord()
{
const int count = 99;
var metrics = new MetricSampler(TimeSpan.FromSeconds(1));
metrics.Start();
Enumerable.Range(0, count)
.ForEach(x => metrics.Add(x));
metrics.Stop();
IReadOnlyList <MetricSample> metricsList = metrics.GetMetrics();
metricsList.Count().Should().Be(1);
int n = count - 1;
float sumOfNumbers = (n * (n + 1)) / 2;
metricsList.Max(x => x.Value).Should().Be(sumOfNumbers);
metricsList.Max(x => x.Count).Should().Be(count);
}