// Copyright The OpenTelemetry Authors // SPDX-License-Identifier: Apache-2.0 using System.Net.Http; using Microsoft.AspNetCore.Hosting.Server; using Microsoft.AspNetCore.Hosting.Server.Features; using var loggerFactory = LoggerFactory.Create(builder => { builder .AddFilter("Microsoft", LogLevel.Warning); }); var logger = loggerFactory.CreateLogger(); logger.LogInformation("Logged before host is built."); var builder = WebApplication.CreateBuilder(args); using var app = builder.Build(); app.MapGet("/test", (ILogger logger) => { logger.LogInformation("Request received."); return "Hello World!"; }); app.Start(); var server = (IServer?)app.Services.GetService(typeof(IServer)); var addressFeature = server?.Features.Get(); var address = addressFeature?.Addresses.First(); using var httpClient = new HttpClient(); httpClient.GetAsync($"{address}/test").Wait();