public static int Main(string[] args)
{
// Add command line configuration source to read command line parameters.
var config = new ConfigurationBuilder()
.AddCommandLine(args)
.Build();
Server = config["server"] ?? "Kestrel";
var builder = new WebHostBuilder()
.UseContentRoot(Directory.GetCurrentDirectory())
.UseConfiguration(config)
.UseStartup<Startup>();
// The default listening address is http://localhost:5000 if none is specified.
// Replace "localhost" with "*" to listen to external requests.
// You can use the --urls flag to change the listening address. Ex:
// > dotnet run --urls http://*:8080;http://*:8081
// Uncomment the following to configure URLs programmatically.
// Since this is after UseConfiguraiton(config), this will clobber command line configuration.
//builder.UseUrls("http://*:8080", "http://*:8081");
// If this app isn't hosted by IIS, UseIISIntegration() no-ops.
// It isn't possible to both listen to requests directly and from IIS using the same WebHost,
// since this will clobber your UseUrls() configuration when hosted by IIS.
// If UseIISIntegration() is called before UseUrls(), IIS hosting will fail.
builder.UseIISIntegration();
if (string.Equals(Server, "Kestrel", StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine("Running demo with Kestrel.");
builder.UseKestrel(options =>
{
if (config["threadCount"] != null)
{
options.ThreadCount = int.Parse(config["threadCount"]);
}
});
}
else if (string.Equals(Server, "WebListener", StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine("Running demo with WebListener.");
builder.UseWebListener(options =>
{
// AllowAnonymous is the default WebListner configuration
options.Listener.AuthenticationManager.AuthenticationSchemes =
AuthenticationSchemes.AllowAnonymous;
});
}
else
{
Console.WriteLine($"Error: Unknown server value: '{Server}'. The valid server options are 'Kestrel' and 'WebListener'.");
Console.WriteLine("IIS cannot be specified at runtime since it does not support self-hosting.");
return 1;
}
// ASPNETCORE_PORT is the port that IIS proxies requests to.
if (Environment.GetEnvironmentVariable($"ASPNETCORE_PORT") != null)
{
if (string.Equals(Server, "WebListener", StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine("Error: WebListener cannot be used with the ASP.NET Core Module for IIS.");
return 1;
}
Server = "IIS/Kestrel";
Console.WriteLine("Hosted by IIS.");
}
var host = builder.Build();
host.Run();
return 0;
}
