using System;

using Polly;

using Polly.Retry;

using Polly.Timeout;

using Polly.Wrap;

​

namespace AdjustTimeoutBasedOnRetry

{

    public class Program

    {

        public static void Main(string[] args)

        {

​

            const string RetryCountKey = "RetryCount";

​

            RetryPolicy retry = Policy

                .Handle<Exception>()

                .Retry(3, (exception, retryCount, context) =>

                {

                    Console.WriteLine("Storing retry count of " + retryCount + " in execution context.");

                    context[RetryCountKey] = retryCount;

                });

​

            TimeoutPolicy timeoutBasedOnRetryCount = Policy

                .Timeout(context =>

                {

                    int tryCount;

                    try

                    {

                        tryCount = (int) context[RetryCountKey];

                    }

                    catch

                    {

                        tryCount = 0; // choose your own default for when it is not set; also applies to first try, before any retries

                    }

​

                    int timeoutMs = 25 * (tryCount + 1);

                    Console.WriteLine("Obtained retry count of " + tryCount + " from context, thus timeout is " + timeoutMs + " ms.");

                    return TimeSpan.FromMilliseconds(timeoutMs);

                });

​

            PolicyWrap policiesTogether = retry.Wrap(timeoutBasedOnRetryCount);

​

            try

            {

                policiesTogether.Execute(() => {throw new Exception();});

            }

            catch (Exception e)

            {

                Console.WriteLine("Execution terminated with " + e.Message);

            }

​

        }

    }

}

​