using System;

using System.Diagnostics;

using System.Net;

using System.Net.Http;

using System.Threading;

using System.Threading.Tasks;

using Polly;

using Polly.Timeout;

​

public class Program

{ 

    public static void Main(string[] args)

    {

        Stopwatch stopwatch = new Stopwatch();

        stopwatch.Start();

​

        try {

        timeoutPolicy().GetAwaiter().GetResult();

        }

        catch (Exception e)

        {

            Console.WriteLine(e.Message);

        }

        stopwatch.Stop();

        Console.WriteLine("Time elapsed: {0}", stopwatch.Elapsed);

    }

    static async Task timeoutPolicy()

    {

        var timeoutPolicy = Policy.TimeoutAsync<HttpResponseMessage>(1, TimeoutStrategy.Optimistic); // setup the timeout limit to be 1 sec

​

        HttpResponseMessage response = await timeoutPolicy.ExecuteAsync((ct) => LongOperation(ct), CancellationToken.None);

        Console.WriteLine(response.StatusCode);

    }

​

    static async Task<HttpResponseMessage> LongOperation(CancellationToken token)

    {

        await Task.Delay(5000, token);

        return new HttpResponseMessage()

        {

            StatusCode = HttpStatusCode.BadRequest

        };

    }

} 

​

​

​