public void RegisterAppServices(IServiceCollection services, IConfiguration config)
{
var policyConfigs = new HttpClientPolicyConfiguration();
config.Bind("HttpClientPolicies", policyConfigs);
var timeoutPolicy = Policy.TimeoutAsync <HttpResponseMessage>(TimeSpan.FromSeconds(policyConfigs.RetryTimeoutInSeconds));
var retryPolicy = HttpPolicyExtensions
.HandleTransientHttpError()
.OrResult(r => r.StatusCode == HttpStatusCode.NotFound)
.WaitAndRetryAsync(policyConfigs.RetryCount, _ => TimeSpan.FromMilliseconds(policyConfigs.RetryDelayInMs));
var circuitBreakerPolicy = HttpPolicyExtensions
.HandleTransientHttpError()
.CircuitBreakerAsync(policyConfigs.MaxAttemptBeforeBreak, TimeSpan.FromSeconds(policyConfigs.BreakDurationInSeconds));
var noOpPolicy = Policy.NoOpAsync().AsAsyncPolicy <HttpResponseMessage>();
//Register custom Bearer Token Handler. The DelegatingHandler has to be registered as a Transient Service
services.AddTransient <ProtectedApiBearerTokenHandler>();
//Register a Typed Instance of HttpClientFactory for a Protected Resource
//More info see: https://docs.microsoft.com/en-us/aspnet/core/fundamentals/http-requests?view=aspnetcore-3.0
services.AddHttpClient <IQfPayApiConnect, QfPayApiConnect>(client =>
{
client.BaseAddress = new Uri(config["ApiResourceBaseUrls:QfPayApi"]);
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue(HttpContentMediaTypes.JSON));
})
.SetHandlerLifetime(TimeSpan.FromMinutes(policyConfigs.HandlerTimeoutInMinutes))
.AddPolicyHandler(request => request.Method == HttpMethod.Get ? retryPolicy : noOpPolicy)
.AddPolicyHandler(timeoutPolicy)
.AddPolicyHandler(circuitBreakerPolicy);
services.AddHttpClient <IClientApiConnect, ClientApiConnect>(client =>
{
client.BaseAddress = new Uri(config["ApiResourceBaseUrls:ClientAPi"]);
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue(HttpContentMediaTypes.JSON));
})
.SetHandlerLifetime(TimeSpan.FromMinutes(policyConfigs.HandlerTimeoutInMinutes))
.AddPolicyHandler(request => request.Method == HttpMethod.Get ? retryPolicy : noOpPolicy)
.AddPolicyHandler(timeoutPolicy)
.AddPolicyHandler(circuitBreakerPolicy);
//Register a Typed Instance of HttpClientFactory for AuthService
services.AddHttpClient <IAuthServerConnect, AuthServerConnect>();
// Register the DiscoveryCache in DI and will use the HttpClientFactory to create clients. Cached for 24hrs by default
services.AddSingleton <IDiscoveryCache>(r =>
{
var factory = r.GetRequiredService <IHttpClientFactory>();
return(new DiscoveryCache(config["ApiResourceBaseUrls:AuthServer"], () => factory.CreateClient()));
});
}
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
var policyConfigs = new HttpClientPolicyConfiguration();
Configuration.Bind("HttpClientPolicies", policyConfigs);
services.AddHttpClient <IApiService, ApiService>(client =>
{
client.BaseAddress = new Uri(Configuration["ApiResourceBaseUrls:Api"]);
client.DefaultRequestHeaders.Accept.Clear();
});
services.AddControllersWithViews();
}
public void RegisterAppServices(IServiceCollection services, IConfiguration config)
{
var policyConfigs = new HttpClientPolicyConfiguration();
config.Bind("HttpClientPolicies", policyConfigs);
var timeoutPolicy = Policy.TimeoutAsync <HttpResponseMessage>(TimeSpan.FromSeconds(policyConfigs.RetryTimeoutInSeconds));
//Configuracion de Polly para la resistencia y manejo de fallas transitorias
//que permite a los desarrolladores expresar políticas como Retry,
//Circuit Breaker, Timeout, Bulkhead Isolation y Fallback de manera fluida y segura.
var retryPolicy = HttpPolicyExtensions
.HandleTransientHttpError()
.OrResult(r => r.StatusCode == HttpStatusCode.NotFound)
.WaitAndRetryAsync(policyConfigs.RetryCount, _ => TimeSpan.FromMilliseconds(policyConfigs.RetryDelayInMs));
var circuitBreakerPolicy = HttpPolicyExtensions
.HandleTransientHttpError()
.CircuitBreakerAsync(policyConfigs.MaxAttemptBeforeBreak, TimeSpan.FromSeconds(policyConfigs.BreakDurationInSeconds));
var noOpPolicy = Policy.NoOpAsync().AsAsyncPolicy <HttpResponseMessage>();
//Registrar el Handler para Bearer Token.
// services.AddTransient<ProtectedApiBearerTokenHandler>();
//Info: https://docs.microsoft.com/en-us/aspnet/core/fundamentals/http-requests?view=aspnetcore-3.0
services.AddHttpClient <IApiClient, InideApiClient>(client =>
{
client.BaseAddress = new Uri(config["AppSettings:ApiBaseUrls:InideApi"]);
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue(HttpContentMediaTypes.JSON));
})
.SetHandlerLifetime(TimeSpan.FromMinutes(policyConfigs.HandlerTimeoutInMinutes))
.AddHttpMessageHandler <ProtectedApiBearerTokenHandler>()
.AddPolicyHandler(request => request.Method == HttpMethod.Get ? retryPolicy : noOpPolicy)
.AddPolicyHandler(timeoutPolicy)
.AddPolicyHandler(circuitBreakerPolicy);
//Seguridad en AuthService
// services.AddHttpClient<IAuthServerConnect, AuthServerConnect>();
// Cache
// services.AddSingleton<IDiscoveryCache>(r =>
// {
// var factory = r.GetRequiredService<IHttpClientFactory>();
// return new DiscoveryCache(config["ApiResourceBaseUrls:AuthServer"], () => factory.CreateClient());
// });
}
