public async Task <WebServiceMetricsResponse> RunMetrics(WebServiceMetricsRequest request)
{
var response = new WebServiceMetricsResponse
{
WebServiceMetricsRequestMeasured = request
};
var metricsRunEntity = new MetricsRun()
{
RequestBody = request.RequestBody,
RequestUrl = request.RequestUrl,
NumberOfRequestsToSend = request.NumberOfRequestsToSend
};
using (var repository = new MetricsRepository())
{
metricsRunEntity = await repository.SaveMetricsRun(metricsRunEntity);
}
response.WebServiceMetricsRunId = metricsRunEntity.MetricRunId;
var tasks = new List <Task>();
using (var semaphore = new SemaphoreSlim(10))
{
for (int i = 0; i < request.NumberOfRequestsToSend; i++)
{
await semaphore.WaitAsync();
tasks.Add(MeasureRequest(semaphore, request, response));
}
await Task.WhenAll(tasks);
}
return(response);
}
private static async Task MeasureRequest(SemaphoreSlim semaphore, WebServiceMetricsRequest request, WebServiceMetricsResponse response)
{
try
{
var httpClient = new HttpClient();
var uri = new Uri(request.RequestUrl);
var sw = new Stopwatch();
sw.Start();
var wsResponse = await httpClient.PostAsync(uri, new StringContent(request.RequestBody, Encoding.Unicode, "application/json"));
sw.Stop();
var metricsResultEntity = new MetricsResult()
{
MetricsRunId = response.WebServiceMetricsRunId,
TimeElapsedInMilliseconds = (int)sw.ElapsedMilliseconds,
Result = wsResponse.StatusCode.ToString()
};
//use separate repository each time since .NET/EF Core cannot multi-thread the same DbContext...
using (var repository = new MetricsRepository())
{
await repository.SaveMetricsResult(metricsResultEntity);
}
response.WebServiceMetricsResults.Add(new WebServiceMetricsResultDto
{
TimeElapsedInMilliseconds = metricsResultEntity.TimeElapsedInMilliseconds.ToString()
});
}
catch (Exception ex)
{
response.WebServiceMetricsResults.Add(new WebServiceMetricsResultDto()
{
ErrorMessage = ex.Message
});
}
finally
{
semaphore.Release();
}
}
