private async Task <IisFixture> StartIis(IisAppType appType)
{
var fixture = new IisFixture {
ShutdownPath = "/shutdown"
};
try
{
fixture.TryStartIis(this, appType);
}
catch (Exception)
{
fixture.Dispose();
throw;
}
// Send a request to initialize the app
using var httpClient = new HttpClient();
await httpClient.GetAsync($"http://localhost:{fixture.HttpPort}/");
return(fixture);
}
public (Process Process, string ConfigFile) StartIISExpress(MockTracerAgent agent, int iisPort, IisAppType appType)
{
var iisExpress = EnvironmentHelper.GetIisExpressPath();
var appPool = appType switch
{
IisAppType.AspNetClassic => "Clr4ClassicAppPool",
IisAppType.AspNetIntegrated => "Clr4IntegratedAppPool",
IisAppType.AspNetCoreInProcess => "UnmanagedClassicAppPool",
IisAppType.AspNetCoreOutOfProcess => "UnmanagedClassicAppPool",
_ => throw new InvalidOperationException($"Unknown {nameof(IisAppType)} '{appType}'"),
};
var appPath = appType switch
{
IisAppType.AspNetClassic => EnvironmentHelper.GetSampleProjectDirectory(),
IisAppType.AspNetIntegrated => EnvironmentHelper.GetSampleProjectDirectory(),
IisAppType.AspNetCoreInProcess => EnvironmentHelper.GetSampleApplicationOutputDirectory(),
IisAppType.AspNetCoreOutOfProcess => EnvironmentHelper.GetSampleApplicationOutputDirectory(),
_ => throw new InvalidOperationException($"Unknown {nameof(IisAppType)} '{appType}'"),
};
var configTemplate = File.ReadAllText("applicationHost.config");
var newConfig = Path.GetTempFileName();
configTemplate = configTemplate
.Replace("[PATH]", appPath)
.Replace("[PORT]", iisPort.ToString())
.Replace("[POOL]", appPool);
var isAspNetCore = appType == IisAppType.AspNetCoreInProcess || appType == IisAppType.AspNetCoreOutOfProcess;
if (isAspNetCore)
{
var hostingModel = appType == IisAppType.AspNetCoreInProcess ? "inprocess" : "outofprocess";
configTemplate = configTemplate
.Replace("[DOTNET]", EnvironmentHelper.GetDotnetExe())
.Replace("[RELATIVE_SAMPLE_PATH]", $".\\{EnvironmentHelper.GetSampleApplicationFileName()}")
.Replace("[HOSTING_MODEL]", hostingModel);
}
File.WriteAllText(newConfig, configTemplate);
var args = new[]
{
"/site:sample",
$"/config:{newConfig}",
"/systray:false",
"/trace:info"
};
Output.WriteLine($"[webserver] starting {iisExpress} {string.Join(" ", args)}");
var process = ProfilerHelper.StartProcessWithProfiler(
iisExpress,
EnvironmentHelper,
agent,
arguments: string.Join(" ", args),
redirectStandardInput: true,
processToProfile: appType == IisAppType.AspNetCoreOutOfProcess ? "dotnet.exe" : iisExpress);
var wh = new EventWaitHandle(false, EventResetMode.AutoReset);
Task.Run(() =>
{
string line;
while ((line = process.StandardOutput.ReadLine()) != null)
{
Output.WriteLine($"[webserver][stdout] {line}");
if (line.Contains("IIS Express is running"))
{
wh.Set();
}
}
});
Task.Run(() =>
{
string line;
while ((line = process.StandardError.ReadLine()) != null)
{
Output.WriteLine($"[webserver][stderr] {line}");
}
});
wh.WaitOne(5000);
// Wait for iis express to finish starting up
var retries = 5;
while (true)
{
var usedPorts = IPGlobalProperties.GetIPGlobalProperties()
.GetActiveTcpListeners()
.Select(ipEndPoint => ipEndPoint.Port);
if (usedPorts.Contains(iisPort))
{
break;
}
retries--;
if (retries == 0)
{
throw new Exception("Gave up waiting for IIS Express.");
}
Thread.Sleep(1500);
}
return(process, newConfig);
}
