public Task <HttpResponseMessage> MakeRetryingCall(
Func <HttpRequestMessage, CancellationToken, Task <HttpResponseMessage> > asyncHttpCall,
HttpRequestMessage requestMessage,
CancellationToken cancellationToken)
{
AsyncTimeoutPolicy timeOutPolicy = Policy.TimeoutAsync(
retryConfiguration.TotalElapsedTimeInSecs,
TimeoutStrategy.Optimistic,
onTimeoutAsync: (context, timespan, t1, exception) => throw new OciException(
HttpStatusCode.RequestTimeout,
"Request has been timed out. Please increase the total elapsed time for this request and retry",
"Unknown",
exception)
);
AsyncRetryPolicy <HttpResponseMessage> retryAndSleepPolicy = Policy
.HandleResult <HttpResponseMessage>(r => ShoulRetryOnHttpResponse(r))
.WaitAndRetryAsync(
retryCount: retryConfiguration.MaxAttempts,
sleepDurationProvider: (retryCount, response, context) => TimeSpan.FromSeconds(retryConfiguration.GetNextDelayInSeconds(retryCount)),
onRetryAsync: async(response, timespan, retryAttempt, context) =>
{
logger.Info($"Retry Attempt: {retryAttempt}");
await Task.CompletedTask;
}
);
return(timeOutPolicy
.WrapAsync(retryAndSleepPolicy)
.ExecuteAsync(() => asyncHttpCall.Invoke(requestMessage, cancellationToken)));
}
public Task <HttpResponseMessage> MakeRetryingCall(
Func <HttpRequestMessage, CancellationToken, Task <HttpResponseMessage> > asyncHttpCall,
HttpRequestMessage requestMessage,
CancellationToken cancellationToken)
{
AsyncTimeoutPolicy timeOutPolicy = Policy.TimeoutAsync(
retryConfiguration.TotalElapsedTimeInSecs,
TimeoutStrategy.Optimistic,
onTimeoutAsync: (context, timespan, t1, exception) => throw new OciException(
HttpStatusCode.RequestTimeout,
"Request has been timed out. Please increase the total elapsed time for this request and retry",
"Unknown",
exception)
);
AsyncRetryPolicy <HttpResponseMessage> retryAndSleepPolicy = Policy
.HandleResult <HttpResponseMessage>(r => ShoulRetryOnHttpResponse(r))
.WaitAndRetryAsync(
retryCount: retryConfiguration.MaxAttempts,
sleepDurationProvider: (retryCount, response, context) => TimeSpan.FromSeconds(retryConfiguration.GetNextDelayInSeconds(retryCount)),
onRetryAsync: async(response, timespan, retryAttempt, context) =>
{
logger.Info($"Retry Attempt: {retryAttempt}");
await Task.CompletedTask.ConfigureAwait(false);
}
);
return(timeOutPolicy
.WrapAsync(retryAndSleepPolicy)
.ExecuteAsync(async() =>
{
// A new copy of the request message needs to be created because it is disposed each time it is sent, and
// resending the same request will result in the following error message:
// "The request message was already sent. Cannot send the same request message multiple times."
var newRequestMessage = CloneHttpRequestMessage(requestMessage);
return await asyncHttpCall.Invoke(newRequestMessage, cancellationToken).ConfigureAwait(false);
}));
}
