public async Task <IActionResult> Get(Guid id)
{
var client = clientFactory.CreateClient("AzureDevOpsWithoutRefit");
var requestEndpoint = $"api/azuredevops/projects/{id}";
var request = new HttpRequestMessage(HttpMethod.Get, requestEndpoint);
var context = new Polly.Context($"{nameof(ProjectsController)}-{nameof(Get)}-{Guid.NewGuid()}")
.WithLogger(logger);
context.Add(PolicyContextKeys.MyTestKey, "ciao!");
request.SetPolicyExecutionContext(context);
var response = await client.SendAsync(request);
return(!response.IsSuccessStatusCode ?
StatusCode((int)response.StatusCode, response.ReasonPhrase) :
Ok(JsonConvert.DeserializeObject <Project>(await response.Content.ReadAsStringAsync())));
//var response = await azureDevOpsApi.GetProject(id);
//return !response.IsSuccessStatusCode ?
// StatusCode((int)response.StatusCode, response.Error.Content) :
// Ok(response.Content);
}
static async void GetRequest()
{
string getUrl = "http://example.com";
var httpClient = new HttpClient();
// create our retry policy using a separate class
var policy = new PolicyMaker().CreatePolicy();
// create a Polly Context (Dictionary) to pass into the retry delegate
// the retry delegate will set the retry count in Polly Context and pass it back to us
// Polly Context format is {string (id), string, object}
Polly.Context context = new Polly.Context(Guid.NewGuid().ToString());
// RetryCounter is a simple object added to our Polly Context for tracking retries
RetryCounter retryCounter = new RetryCounter();
retryCounter.Value = 0;
context.Add("retry", retryCounter);
// keep track of successful requests
int totalRequests = 0;
try
{
using (var client = new HttpClient())
{
totalRequests++;
// Retry the following call according to the policy - 15 times.
await policy.ExecuteAsync(async token =>
{
// This code is executed within the Policy
// Make a request and get a response
string msg = await client.GetStringAsync(getUrl);
// Display success message
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("GET was successful");
Console.ForegroundColor = ConsoleColor.White;
// our Polly context is passed into the delegate below
}, context);
}
}
catch (Exception e)
{
Console.ForegroundColor = ConsoleColor.Red;
Console.WriteLine("Request " + (context["retry"] as RetryCounter).Value + " eventually failed with: " + e.Message);
Console.ForegroundColor = ConsoleColor.White;
}
finally
{
Console.WriteLine("\nWe retried " + (context["retry"] as RetryCounter).Value + " times.");
Console.WriteLine("\nHit ENTER to try again\n\tOR\nType Q and hit ENTER to quit");
}
}