private Policy <IRestResponse> CreateRetryWithTimeoutPolicy()
{
var retryWithTimeoutPolicy =
Policy.HandleResult <IRestResponse>(r => StatusCodesWorthRetrying.Contains(r.StatusCode) || r.ErrorException != null)
.WaitAndRetry(new[]
{
TimeSpan.FromSeconds(1),
TimeSpan.FromSeconds(2),
TimeSpan.FromSeconds(3)
}, (exception, timeSpan, _attemptNo, context) =>
{
_logger.Warning($"Previous attempt failed, trying again (attempt no #{_attemptNo} in {timeSpan}");
});
return(retryWithTimeoutPolicy);
}
private Policy <IRestResponse> CreateCircuitBreakerPolicy()
{
Action <DelegateResult <IRestResponse>, TimeSpan> OnBreak = (_response, _timespan) =>
_logger.Warning($"Circuit breaker triggered because of too many failures. Will open after {_timespan}");
Action OnReset = () => _logger.Warning("Circuit is closed again.");
Action OnHalfOpen = () => _logger.Warning("Circuit is now half open.");
var circuitBreakerPolicy =
Policy.HandleResult <IRestResponse>(r => StatusCodesWorthRetrying.Contains(r.StatusCode) || r.ErrorException != null)
.CircuitBreaker(
handledEventsAllowedBeforeBreaking: _resilienceSettings.BreakerAttemptThreshold,
durationOfBreak: TimeSpan.FromSeconds(_resilienceSettings.CircuitBreakerTrippedTimeoutInSeconds),
onBreak: OnBreak,
onReset: OnReset,
onHalfOpen: OnHalfOpen);
return(circuitBreakerPolicy);
}
