retrylogic, C# - rextester

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            //Your code goes here
            Console.WriteLine("Hello, world!");
           // int retryCount = 1;
            
            {
            TimeSpan MinBackoff = TimeSpan.FromSeconds(1);
            TimeSpan MaxBackoff = TimeSpan.FromSeconds(30);
            TimeSpan DeltaBackoff = TimeSpan.FromSeconds(10);
             var random = new Random();

TimeSpan total = TimeSpan.FromSeconds(0);
            for(int retryCount= 0; retryCount <5 ; retryCount++){
            var delta = (long)((Math.Pow(2.0, retryCount) - 1.0) * random.Next((int)(DeltaBackoff.TotalMilliseconds * 0.8), (int)(DeltaBackoff.TotalMilliseconds * 1.2)));
            //if the delta is negative (data type overflow), set interval to max backoff, else set it to the min of max and min+delta
            var interval = (delta < 0) ?
                (long) MaxBackoff.TotalMilliseconds :
                (long) Math.Min(checked(MinBackoff.TotalMilliseconds + delta), MaxBackoff.TotalMilliseconds);

Console.WriteLine("interation count"+ retryCount + " ==" +TimeSpan.FromMilliseconds(interval));
                total = total + TimeSpan.FromMilliseconds(interval);
            }
            
            Console.WriteLine(total);
            }
            
            {
             TimeSpan MinBackoff2 = TimeSpan.FromSeconds(1);
            TimeSpan MaxBackoff2 = TimeSpan.FromSeconds(180);
            TimeSpan DeltaBackoff2 = TimeSpan.FromSeconds(15);
             var random2 = new Random();

TimeSpan total2 = TimeSpan.FromSeconds(0);
            for(int retryCount= 0; retryCount <5 ; retryCount++){
            var delta = (long)((Math.Pow(2.0, retryCount) - 1.0) * random2.Next((int)(DeltaBackoff2.TotalMilliseconds * 0.8), (int)(DeltaBackoff2.TotalMilliseconds * 1.2)));
            //if the delta is negative (data type overflow), set interval to max backoff, else set it to the min of max and min+delta
            var interval = (delta < 0) ?
                (long) MaxBackoff2.TotalMilliseconds :
                (long) Math.Min(checked(MinBackoff2.TotalMilliseconds + delta), MaxBackoff2.TotalMilliseconds);

Console.WriteLine("interation count"+ retryCount + " ==" +TimeSpan.FromMilliseconds(interval));
                total2 = total2 + TimeSpan.FromMilliseconds(interval);
            }
            
            Console.WriteLine(total2);
            }
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,12 sec, absolute running time: 0,11 sec, cpu time: 0,09 sec, average memory usage: 11 Mb, average nr of threads: 3