public async Task StartProgressWriter(Wrex wrexInstance, CancellationToken token)
{
const int DelayConstant = 500;
var firstRun = true;
while (!token.IsCancellationRequested)
{
if (firstRun)
{
firstRun = false;
}
else
{
await Task.Delay(DelayConstant);
}
WriteProgress(wrexInstance.ExecutedRequests, wrexInstance.Options.NumberOfRequests);
}
WriteProgress(wrexInstance.ExecutedRequests, wrexInstance.Options.NumberOfRequests);
Console.WriteLine();
Console.WriteLine();
}
private static async Task RunWrexAsync(CmdOptions cmdOptions)
{
var validation = cmdOptions.Validate();
if (!validation.IsValid)
{
var indent = new string(' ', 2);
var errors = String.Join(Environment.NewLine, validation.ErrorMessages.Select(x => indent + x));
throw new Exception(cmdOptions.CustomErrorWithUsage(errors));
}
Console.WriteLine(cmdOptions.GetHeader(new HelpText()));
Console.WriteLine();
try
{
var wrex = new Wrex(cmdOptions.GetWrexOptions());
var consoleOut = new ConsoleOutput();
if (cmdOptions.Verbose)
{
const string OptionsText = "Options:";
Console.WriteLine(OptionsText);
Console.WriteLine(new string('-', OptionsText.Length));
Console.WriteLine();
consoleOut.PrintWrexOptions(wrex.Options);
Console.WriteLine();
const string ProgressText = "Progress:";
Console.WriteLine(ProgressText);
Console.WriteLine(new string('-', ProgressText.Length));
Console.WriteLine();
}
var cancelSource = new CancellationTokenSource();
var progressDisplayTask = Task.Run(() => consoleOut.StartProgressWriter(wrex, cancelSource.Token));
await wrex.RunAsync(
null,
ex =>
{
if (cmdOptions.Verbose)
{
consoleOut.HandleError(ex);
}
else
{
NoOp();
}
});
cancelSource.Cancel();
await progressDisplayTask;
var analyzer = new WrexAnalyzer(wrex);
var summary = analyzer.GetSummary();
consoleOut.PrintSummary(summary, wrex);
consoleOut.PrintStatusDistribution(analyzer.GetStatusDistribution(), wrex);
consoleOut.PrintResponseTimeHistogram(analyzer.GetReponseTimeDistribution(summary), wrex);
if (cmdOptions.Verbose)
{
consoleOut.PrintSampleResponse(wrex);
}
Console.WriteLine();
}
catch (Exception ex)
{
lock (Console.Out)
{
Console.WriteLine();
Console.WriteLine();
ExtendedConsole.WriteErrorLine("Error: " + ex.Message);
if (cmdOptions.Verbose)
{
Console.WriteLine();
Console.WriteLine("Details: ");
Console.WriteLine(ex.StackTrace);
}
}
}
}
public void PrintSummary(WrexAnalyzer.Summary summary, Wrex wrexInstance)
{
const string Title = "Summary:";
Console.WriteLine(Title);
Console.WriteLine(new string('-', Title.Length));
Console.WriteLine();
Console.WriteLine("Total time taken: {0}", summary.TotalTimeTaken);
Console.WriteLine();
Console.WriteLine("Fastest: {0}", summary.FastestTime);
Console.WriteLine("Slowest: {0}", summary.SlowestTime);
Console.WriteLine("Average: {0}", summary.AverageTime);
Console.WriteLine();
Console.WriteLine("Requests/second: {0}", summary.RequestsPerSecond);
Console.WriteLine();
if (wrexInstance.SampleResponse != null)
{
Console.WriteLine("Total number of bytes received: " + wrexInstance.TotalTransferedBytes);
Console.WriteLine(
"Average bytes/request: "
+ (double)wrexInstance.TotalTransferedBytes / wrexInstance.Options.NumberOfRequests);
Console.WriteLine();
}
}
public void PrintSampleResponse(Wrex wrexInstance)
{
if (wrexInstance.SampleResponse != null)
{
// Increase buffer height if possible.
ExtendedConsole.SetBufferSize(-1, Console.BufferHeight + wrexInstance.SampleResponse.Length);
const string Title = "Sample Response:";
Console.WriteLine(Title);
Console.WriteLine(new string('-', Title.Length));
Console.WriteLine();
Console.WriteLine(wrexInstance.SampleResponse);
Console.WriteLine();
}
}
public void PrintResponseTimeHistogram(
IEnumerable<WrexAnalyzer.ResponseTimeDistribution> responseTimeDistributions,
Wrex wrexInstance)
{
const string Title = "Response-time histogram:";
Console.WriteLine(Title);
Console.WriteLine(new string('-', Title.Length));
Console.WriteLine();
var responsetimeDistributions = responseTimeDistributions.ToArray();
var leftColumnLength = (responsetimeDistributions.Max(x => x.ResponseCount).ToString().Length
+ responsetimeDistributions.Max(x => x.TimeSpan).ToString().Length) + 10;
foreach (var responseTimeDistribution in responsetimeDistributions)
{
var barWidth =
(int)
(((double)responseTimeDistribution.ResponseCount / wrexInstance.Options.NumberOfRequests)
* ((Console.WindowWidth * 2 / 3) - leftColumnLength));
var leftColumn =
string.Format(
"{0} [{1}]",
responseTimeDistribution.TimeSpan,
responseTimeDistribution.ResponseCount).PadRight(leftColumnLength - 5);
Console.Write("{0} |", leftColumn);
ExtendedConsole.WriteInfoLine(new string('+', barWidth));
}
Console.WriteLine();
}
public void PrintStatusDistribution(
IEnumerable<WrexAnalyzer.StatusCodeDistribution> statusDistributions,
Wrex wrexInstance)
{
const string Title = "Status code distribution:";
Console.WriteLine(Title);
Console.WriteLine(new string('-', Title.Length));
Console.WriteLine();
foreach (var distribution in statusDistributions)
{
var statusCode = (int)distribution.Status;
string outputString;
if (statusCode == 0)
{
outputString = string.Format("Failed connections : {0}", distribution.ResponseCount);
}
else
{
outputString = string.Format(
"{0} [{1}] : {2} response{3}",
statusCode,
distribution.Status.ToString(),
distribution.ResponseCount,
distribution.ResponseCount > 1 ? "s" : string.Empty);
}
if (statusCode < 200 || statusCode > 299)
{
ExtendedConsole.WriteErrorLine(outputString);
}
else
{
Console.WriteLine(outputString);
}
}
Console.WriteLine();
}
