public static void BenchmarkApplication <TAppLauncher>(
BrowserTimeOptions browserTimeOptions,
string resultDirectory
)
where TAppLauncher : IApplicationLauncher, new()
{
resultDirectory = Path.GetFullPath(resultDirectory);
var(builder, configuration) = DotvvmTestHost.InitializeBuilder <TAppLauncher>(DotvvmSamplesBenchmarker <TAppLauncher> .GetRootPath());
var host = builder
.UseUrls("http://*:5004")
.UseKestrel()
.Build();
var hostCancel = new CancellationTokenSource();
var hostTask = host.RunAsync(hostCancel.Token);
Debug.Assert(configuration.Value != null);
var hostName = GetLocalHostname();
Console.WriteLine($"// hostname = {hostName}");
var urls = DotvvmSamplesBenchmarker <TAppLauncher> .GetTestRoutes(configuration.Value);
var allResults = new List <(string, BrowserTimeResults)>();
foreach (var url in urls)
{
var absUrl = $"http://{hostName}:5004/{url.TrimStart('/')}";
Console.WriteLine($"// Benchmarking page load time - {url}");
try
{
// warm up the server
Enumerable.Range(0, 40)
.Select(_ => new HttpClient().GetStringAsync(absUrl))
.Apply(Task.WhenAll)
.Wait();
var results = ParseResults(resultDirectory, RunBenchmark(browserTimeOptions, resultDirectory, absUrl), removeDir: true);
allResults.Add((url, results));
Console.WriteLine($"// Done ({string.Join(", ", results.MeasuredValues.Select(k => k.Key + ": " + k.Value))})");
}
catch (Exception ex)
{
Console.WriteLine($"Benchmarking failed: {ex}");
}
}
}
private static IEnumerable <string> RunBenchmark(BrowserTimeOptions options, string resultsDirectory, string url)
{
var args = options.GetArgs(url);
Debug.Assert(!resultsDirectory.Contains(':'));
var dockerCommand = new [] { "docker", "run", "--shm-size=1g", "--rm", "-v", $"{resultsDirectory}:/browsertime", browserTimeDockerImage, }.Concat(args).ToArray();
Console.WriteLine($"// running browsertime - {string.Join(" ", dockerCommand)}");
var command = Command.Run("sudo", dockerCommand);
foreach (var line in command.StandardOutput.GetLines())
{
yield return(line);
}
if (!command.Task.Wait(2_000))
{
throw new Exception("BrowserTime: Process has not exited, but out stream is closed");
}
if (command.Result.ExitCode != 0)
{
throw new Exception($"BrowserTime: Exit code = {command.Result.ExitCode}");
}
}