public void ModuleKeepsIntervalSteadyWhenMetricsAreLongToCollect()
{
var sentItems = new List <ITelemetry>();
var channel = new StubTelemetryChannel()
{
OnSend = (item) => { sentItems.Add(item); }
};
var config = new TelemetryConfiguration();
config.TelemetryChannel = channel;
config.InstrumentationKey = "dummy";
var startTime = DateTimeOffset.Now;
AggregateMetricsTelemetryModule module = new AggregateMetricsTelemetryModule();
module.FlushInterval = TimeSpan.FromSeconds(6);
module.Initialize(config);
var client = new TelemetryClient(config);
client.Gauge("test", () => { Thread.Sleep(TimeSpan.FromSeconds(1)); return(10); });
Thread.Sleep(TimeSpan.FromSeconds(15));
Assert.AreEqual(2, sentItems.Count);
var metric0 = (MetricTelemetry)sentItems[0];
var metric1 = (MetricTelemetry)sentItems[1];
var timeDelta = metric1.Timestamp - metric0.Timestamp - TimeSpan.FromSeconds(6);
Assert.IsTrue(timeDelta.TotalMilliseconds < 50, "Actual: " + timeDelta);
}
public void SimpleModuleUsage()
{
var sentItems = new List <ITelemetry>();
var channel = new StubTelemetryChannel()
{
OnSend = (item) => { sentItems.Add(item); }
};
var config = new TelemetryConfiguration();
config.TelemetryChannel = channel;
config.InstrumentationKey = "dummy";
AggregateMetricsTelemetryModule module = new AggregateMetricsTelemetryModule();
module.FlushInterval = TimeSpan.FromSeconds(6);
module.Initialize(config);
var client = new TelemetryClient(config);
client.Gauge("test", () => { return(10); });
Thread.Sleep(TimeSpan.FromSeconds(7));
Assert.AreEqual(1, sentItems.Count);
var metric = (MetricTelemetry)sentItems[0];
Assert.AreEqual("test", metric.Name);
Assert.AreEqual(10, metric.Value);
}
static void Main(string[] args)
{
var telemetryClient = new TelemetryClient();
//API one:
//telemetryClient.RegisterAggregateMetric("MetricsGenerator", "City", percentileCalculation: PercentileCalculation.OrderByLargest);
//for (double i = -50; i < 10000000; i += new Random().NextDouble())
//{
// telemetryClient.TrackAggregateMetric("MetricsGenerator", i, "Seattle");
// telemetryClient.TrackAggregateMetric("MetricsGenerator", i, "New York");
//}
//API two:
Random rand = new Random();
telemetryClient.Gauge("active processes", () => { return(rand.Next(10, 15)); });
var counter = telemetryClient.Counter("# of items");
var meter = telemetryClient.Meter("rate of items");
var aMeter = telemetryClient.Meter("rate of char a");
while (true)
{
var queue = new ConcurrentQueue <char>();
var a = Console.ReadKey().KeyChar;
queue.Enqueue(a);
counter.Increment();
meter.Mark();
if (a == 'a')
{
aMeter.Mark();
}
else
{
aMeter.Mark(0);
}
new Task(() =>
{
Thread.Sleep(100);
char ch;
if (queue.TryDequeue(out ch))
{
counter.Decrement();
Console.Write(ch);
}
}).Start();
}
}
public void ModuleWillKeepIntervalWithThreadsStarvation()
{
var sentItems = new List <ITelemetry>();
var channel = new StubTelemetryChannel()
{
OnSend = (item) => { sentItems.Add(item); }
};
var config = new TelemetryConfiguration();
config.TelemetryChannel = channel;
config.InstrumentationKey = "dummy";
AggregateMetricsTelemetryModule module = new AggregateMetricsTelemetryModule();
module.FlushInterval = TimeSpan.FromSeconds(6);
module.Initialize(config);
var startTime = DateTime.Now;
var client = new TelemetryClient(config);
client.Gauge("test", () => { return(10); });
int workerThread;
int ioCompletionThread;
ThreadPool.GetMaxThreads(out workerThread, out ioCompletionThread);
try
{
ThreadPool.SetMaxThreads(10, 10);
for (int i = 0; i < 50; i++)
{
new Task(() => {
Debug.WriteLine("task started");
Thread.Sleep(TimeSpan.FromSeconds(10));
Debug.WriteLine("task finihed");
}).Start();
}
Thread.Sleep(TimeSpan.FromSeconds(7));
Assert.AreEqual(1, sentItems.Count);
var metric = (MetricTelemetry)sentItems[0];
Assert.AreEqual("test", metric.Name);
Assert.AreEqual(10, metric.Value);
Assert.IsTrue(metric.Timestamp.Subtract(startTime).Seconds <= 6, "Actual: " + metric.Timestamp.Subtract(startTime).Seconds);
Assert.IsTrue(metric.Timestamp.Subtract(startTime).Seconds >= 5, "Actual: " + metric.Timestamp.Subtract(startTime).Seconds);
}
finally
{
ThreadPool.SetMaxThreads(workerThread, ioCompletionThread);
}
}
public void SimpleGaugeUsageExample()
{
TelemetryConfiguration configuraiton = new TelemetryConfiguration();
TelemetryClient client = new TelemetryClient(configuraiton);
client.Context.Properties["a"] = "b";
client.Gauge("test", () => { return(10); });
var counters = configuraiton.GetCounters();
Assert.AreEqual(1, counters.Count);
MetricTelemetry metric = counters[0].GetValueAndReset();
Assert.AreEqual(10, metric.Value);
Assert.AreEqual(null, metric.Count);
Assert.AreEqual("test", metric.Name);
Assert.AreEqual("b", metric.Context.Properties["a"]);
}
