public static void MakeRequest(HttpClient client, HttpCircuitBreaker circuitBreaker)
{
Console.Write("Making request...");
var currentState = circuitBreaker.CurrentState;
var task = circuitBreaker.Execute(() => client.GetAsync("http://www.dummy.com/"));
try
{
task.Wait();
}
catch (Exception)
{
Console.WriteLine("Failure - Exception");
}
if (task.Result == null)
{
Console.WriteLine("Short circuited");
}
else if (!task.Result.IsSuccessStatusCode)
{
Console.WriteLine("Failure - StatusCode");
}
else
{
Console.WriteLine("Success!");
}
if (currentState != circuitBreaker.CurrentState)
{
Console.WriteLine("--- Changing circuit breaker state to: " + circuitBreaker.CurrentState + " ---");
}
}
static void Main(string[] args)
{
var handler = new HttpClientTestingHandler();
var client = new HttpClient(handler);
var circuitBreaker = new HttpCircuitBreaker(2, 3);
Console.WriteLine(".: Making Requests With Internal Server Error :.\n");
handler.FailWith(HttpStatusCode.InternalServerError);
for (int i = 0; i < 6; i++)
{
RequestHelper.MakeRequest(client, circuitBreaker);
}
Console.WriteLine("\n\n.: Making Requests Without Errors :. \n");
handler.Succeed();
for (int i = 0; i < 5; i++)
{
RequestHelper.MakeRequest(client, circuitBreaker);
}
Console.Write("\nDone!");
Console.ReadKey();
}
