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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace Tango.StubsUtils.PerformanceTest.CLI
{
class Program
{
private const int ROUNDS = 100;
private const int DELAY = 0;
static void Main(string[] args)
{
PerformanceTestStandard();
Console.WriteLine();
PerformanceTestSession();
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Completed.");
Console.ReadLine();
}
private static void PerformanceTestStandard()
{
List<double> durations = new List<double>();
Stopwatch watch = new Stopwatch();
for (int i = 0; i < ROUNDS; i++)
{
watch.Restart();
Process process = new Process();
process.StartInfo.FileName = "tangostub.exe";
process.StartInfo.CreateNoWindow = true;
process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process.StartInfo.Arguments = "calculate 10 15";
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.UseShellExecute = false;
process.Start();
process.WaitForExit();
String response = process.StandardOutput.ReadToEnd();
if (!response.StartsWith("Status: OK"))
{
OnError(response);
return;
}
if (DELAY > 0)
{
Thread.Sleep(DELAY);
}
durations.Add(watch.ElapsedMilliseconds);
Console.SetCursorPosition(0, 0);
Console.Write($"Performance Test (Standard): {i + 1}/{ROUNDS}, Avg: {Math.Round(durations.Average(), 2)} ms ");
}
}
private static void PerformanceTestSession()
{
List<double> durations = new List<double>();
Process process = new Process();
process.StartInfo.FileName = "tangostub_s.exe";
process.StartInfo.CreateNoWindow = true;
process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.RedirectStandardInput = true;
process.StartInfo.UseShellExecute = false;
process.Start();
process.PriorityClass = ProcessPriorityClass.RealTime;
process.StandardOutput.ReadLine(); //Read the first welcome line...
Stopwatch watch = new Stopwatch();
for (int i = 0; i < ROUNDS; i++)
{
watch.Restart();
process.StandardInput.WriteLine("calculate 10 15");
StringBuilder builder = new StringBuilder();
char[] buffer = new char[1];
while (process.StandardOutput.Read(buffer, 0, 1) > 0)
{
char c = buffer[0];
if (c == '\r')
{
process.StandardOutput.Read();
break;
}
else if (c == '>')
{
process.StandardOutput.Read();
}
else
{
builder.Append(buffer[0]);
}
}
String response = builder.ToString();
if (!response.StartsWith("Status: OK"))
{
OnError(response);
return;
}
if (DELAY > 0)
{
Thread.Sleep(DELAY);
}
durations.Add(watch.ElapsedMilliseconds);
Console.SetCursorPosition(0, 1);
Console.Write($"Performance Test (Session) : {i + 1}/{ROUNDS}, Avg: {Math.Round(durations.Average(), 2)} ms ");
}
}
private static void OnError(String error)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine(error);
Console.ForegroundColor = ConsoleColor.Gray;
Console.ReadLine();
}
}
}
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