public RetryInfo Evaluate(RetryContext retryContext, OperationContext operationContext)
{
CommonUtility.AssertNotNull("retryContext", retryContext);
if (retryContext.LastRequestResult.TargetLocation == StorageLocation.Primary)
{
lastPrimaryAttempt = retryContext.LastRequestResult.EndTime;
}
else
{
lastSecondaryAttempt = retryContext.LastRequestResult.EndTime;
}
bool flag = retryContext.LastRequestResult.TargetLocation == StorageLocation.Secondary && retryContext.LastRequestResult.HttpStatusCode == 404;
if (ShouldRetry(retryContext.CurrentRetryCount, flag ? 500 : retryContext.LastRequestResult.HttpStatusCode, retryContext.LastRequestResult.Exception, out TimeSpan retryInterval, operationContext))
{
RetryInfo retryInfo = new RetryInfo(retryContext);
if (flag && retryContext.LocationMode != LocationMode.SecondaryOnly)
{
retryInfo.UpdatedLocationMode = LocationMode.PrimaryOnly;
retryInfo.TargetLocation = StorageLocation.Primary;
}
DateTimeOffset?dateTimeOffset = (retryInfo.TargetLocation == StorageLocation.Primary) ? lastPrimaryAttempt : lastSecondaryAttempt;
if (dateTimeOffset.HasValue)
{
TimeSpan t = CommonUtility.MaxTimeSpan(DateTimeOffset.Now - dateTimeOffset.Value, TimeSpan.Zero);
retryInfo.RetryInterval = retryInterval - t;
}
else
{
retryInfo.RetryInterval = TimeSpan.Zero;
}
return(retryInfo);
}
return(null);
}
public RetryInfo(RetryContext retryContext)
{
CommonUtility.AssertNotNull("retryContext", retryContext);
TargetLocation = retryContext.NextLocation;
UpdatedLocationMode = retryContext.LocationMode;
}