<PackageReference Include="Polly" Version="2.0.0" />

RetryPolicy

static class RetryPolicy
using System; using System.Collections.Generic; using System.Linq; namespace Polly.Retry { internal static class RetryPolicy { public static void Implementation(Action action, IEnumerable<ExceptionPredicate> shouldRetryPredicates, Func<IRetryPolicyState> policyStateFactory) { IRetryPolicyState retryPolicyState = policyStateFactory(); Exception ex; while (true) { try { action(); return; } catch (Exception ex2) { ex = ex2; if (!shouldRetryPredicates.Any((ExceptionPredicate predicate) => predicate(ex))) throw; if (!retryPolicyState.CanRetry(ex)) throw; } } } } }