public void StartEvent(string name)
{
Stop();
_current = new PerformanceEntry(name);
_entries.Add(_current);
_stopwatch.Start();
}
/// <summary>
/// Gets the value of a property from the performance entry.
/// </summary>
/// <param name="tokenTemplate">Dictionary key name.</param>
/// <param name="performance">Log entry containing with extended properties dictionary values.</param>
/// <returns>The value of the key from the extended properties dictionary, or <see langword="null"/>
/// (Nothing in Visual Basic) if there is no entry with that key.</returns>
public override string FormatToken(string tokenTemplate, PerformanceEntry performance)
{
string propertyString = string.Empty;
object propertyObject;
if (performance.ExtendedProperties.TryGetValue(tokenTemplate, out propertyObject))
{
propertyString = propertyObject.ToString();
}
return(propertyString);
}
private void AppendToPerformanceEntries(TQuery command, TimeSpan elapsed)
{
PerformanceEntry entry = new PerformanceEntry()
{
TimeOfExecution = this.timeProvider.UtcNow,
Operation = command.GetType().Name,
OperationData = JsonConvert.SerializeObject(command),
Duration = elapsed
};
this.performanceRepository.Add(entry);
this.contextSaveChanges.SaveChanges();
}
public static List <TestResult> CallBatch(Func <IRpcService, TestRequest> requestFactory, int batchSize, PerformanceCollectorOptions options, TestResultCollector testResultCollector = null)
{
string requestMethodName = null;
var testResults = new List <TestResult>();
foreach (var service in TestExecutor.Services)
{
var request = requestFactory(service);
if (requestMethodName == null)
{
requestMethodName = request.MethodName;
}
if (options.Enabled)
{
options?.Writer?
.WriteLine()
.WriteLine($"Calling batch of {batchSize} {requestMethodName}".Center(80, '~'))
.WriteLine(request.ToString())
.DrawLine('~');
}
using (PerformanceCollector performanceCollector = new PerformanceCollector(service.GetServiceDescription(), options))
{
PerformanceEntry performance = performanceCollector.Measure(() => service.CallBatch(Enumerable.Range(0, batchSize).Select(n => request).ToList()));
testResults.Add(new TestResult(service, batchSize, performance));
AddBatchCallResult(service, requestMethodName, batchSize, performance.Elapsed);
}
}
if (testResultCollector != null)
{
testResultCollector.Collect(batchSize.ToString(), testResults);
}
else
{
using (testResultCollector = new TestResultCollector($"{requestMethodName} BATCH calls"))
{
testResultCollector.Collect(batchSize.ToString(), testResults);
}
}
return(testResults);
}
public TestResult(IRpcService service, int count, PerformanceEntry performanceEntry)
{
Service = service;
Count = count;
PerformanceEntry = performanceEntry;
}
public void CanLoadPerformanceSnapshot()
{
var ps = PerformanceEntry.Load();
Assert.Greater(ps.Count, 0);
}
public static void CallNTimes(Func <IRpcService, TestRequest> requestFactory, int count, PerformanceCollectorOptions options, TestResultCollector testResultCollector = null)
{
string requestMethodName = null;
List <TestResult>[] testResults = Enumerable.Range(0, count).Select((i) => new List <TestResult>()).ToArray();
foreach (var service in TestExecutor.Services)
{
var request = requestFactory(service);
if (requestMethodName == null)
{
requestMethodName = request.MethodName;
}
if (options.Enabled)
{
options?.Writer?
.WriteLine()
.WriteLine($"Calling {requestMethodName} {count} times".Center(80, '~'))
.WriteLine(request.ToString())
.DrawLine('~');
}
using (PerformanceCollector performanceCollector = new PerformanceCollector(service.GetServiceDescription(), options))
{
for (int i = 0; i < count; i++)
{
int retries = 0;
while (retries < MAX_RETRY)
{
try
{
PerformanceEntry performance = performanceCollector.Measure(() => service.CallSingle(request));
testResults[i].Add(new TestResult(service, count, performance));
AddSingleCallResult(service, requestMethodName, performance.Elapsed);
break;
}
catch (System.Exception ex)
{
Thread.Sleep(200); //introduces a wait between calls because of intermittent problem with "The server returned an invalid or unrecognized response" error
retries++;
}
}
}
}
}
if (testResultCollector != null)
{
for (int i = 0; i < testResults.Length; i++)
{
testResultCollector.Collect($"t-{i + 1}", testResults[i]);
}
}
else
{
using (testResultCollector = new TestResultCollector($"{requestMethodName} repeated calls ({count})."))
{
for (int i = 0; i < testResults.Length; i++)
{
testResultCollector.Collect($"t-{i + 1}", testResults[i]);
}
}
}
}
/// <summary> /// Formats a performance entry and return a string to be outputted. /// </summary> /// <param name="performance">Log entry to format.</param> /// <returns>A string representing the performance entry.</returns> public abstract string Format(PerformanceEntry performance);