using Polly; 

    using System;

    using System.Threading.Tasks;

​

    public class Program

    {

      public static void Main() {

​

        var timeoutPolicy = Policy

            .TimeoutAsync(

                TimeSpan.FromMilliseconds(10), // _settings.TimeoutWhenCallingApi,

                Polly.Timeout.TimeoutStrategy.Pessimistic

            );

​

        var circuitBreaker = Policy

            .Handle<Polly.Timeout.TimeoutRejectedException>()

            .CircuitBreakerAsync(

                1, // _settings.ConsecutiveExceptionsAllowedBeforeBreaking,

                TimeSpan.FromSeconds(30) // _settings.DurationOfBreak

            );

        var circuitBreakerWrappingTimeout = circuitBreaker

            .WrapAsync(timeoutPolicy);

​

        var policy = Policy

            .Handle<Exception>()

            .FallbackAsync(

                async cancellationToken => { Console.WriteLine("fallback triggered"); })

            .WrapAsync(circuitBreakerWrappingTimeout);

​

        Console.WriteLine("Circuit state before execution: " + circuitBreaker.CircuitState);

        policy.ExecuteAsync(() => Task.Delay(-1)).Wait();

        Console.WriteLine("Circuit state after execution: " + circuitBreaker.CircuitState);

      }

    }

​