public class Startup

{

public void Configuration(IAppBuilder app)

{

app.Use<LoggingMiddleware>();

}

}

public class LoggingMiddleware

{

private AppFunc appFunc;

public LoggingMiddleware(System.Func<System.Collections.Generic.IDictionary<string, object>, System.Threading.Tasks.Task> func)

{

this.appFunc = func;

}

public async Task Invoke(IDictionary<string,object> env)

{

Console.WriteLine(“Request method is “+ env[“owin.RequestMethod”]);

var task = appFunc.Invoke(env);

}

}

class Program

{

static void Main()

{

Microsoft.Owin.Hosting.WebApp.Start<Startup>(“http://localhost:12345&#8221;);

Console.ReadLine();

}

}

}