private HttpWebResponse ExecuteWithRetry(RestRequest request)
{
var maxRetries = 4;
var numberOfAttempts = 0;
while (numberOfAttempts < maxRetries)
{
var response = _oAuthSignedRestClient.Execute(request);
// See https://developer.deere.com/#!documentation&doc=myjohndeere%2F429.htm
// Note System.Net.HttpStatusCode does not include 429, but C# enum handling allows non-specified values
if (response.StatusCode == (HttpStatusCode)429)
{
var secondsToWait = Int32.Parse(response.Headers.Get("Retry-After"));
Thread.Sleep(1000 * secondsToWait);
}
else if (response.StatusCode == HttpStatusCode.ServiceUnavailable || response.StatusCode == HttpStatusCode.InternalServerError)
{
// Sorry. Something probably went wrong on our end.
// Exponential backoff raises the odds that waiting a few milliseconds results in a successful retry
Thread.Sleep((int)Math.Pow(10, numberOfAttempts + 1));
}
else
{
return(response);
}
numberOfAttempts++;
}
return(null);
}
private static ApiCatalog GetApiCatalog(OAuthSignedRestClient oAuthSignedRestClient)
{
// The API Catalog is a collection of links to other available MyJohnDeere API's.
// It's an easy place to discover other API's that look interesting, or just explore what's available.
var restRequest = new RestRequest
{
Url = "https://sandboxapi.deere.com/platform/",
Method = HttpMethod.Get
};
var response = oAuthSignedRestClient.Execute(restRequest);
var apiCatalog = response.GetResponseAsObject <ApiCatalog>();
apiCatalog.links.ForEach(link => Console.WriteLine($"{link.rel}: {link.uri}"));
return(apiCatalog);
}
