72 lines
2.5 KiB
C#
72 lines
2.5 KiB
C#
// <copyright file="WeatherForecastController.cs" company="OpenTelemetry Authors">
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// Copyright The OpenTelemetry Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// </copyright>
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Net.Http;
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using Examples.AspNetCore.Models;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.Extensions.Logging;
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namespace Examples.AspNetCore.Controllers
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{
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[ApiController]
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[Route("[controller]")]
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public class WeatherForecastController : ControllerBase
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{
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private static readonly string[] Summaries = new[]
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{
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"Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching",
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};
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private static readonly HttpClient HttpClient = new();
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private readonly ILogger<WeatherForecastController> logger;
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public WeatherForecastController(ILogger<WeatherForecastController> logger)
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{
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this.logger = logger ?? throw new ArgumentNullException(nameof(logger));
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}
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[HttpGet]
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public IEnumerable<WeatherForecast> Get()
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{
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using var scope = this.logger.BeginScope("{Id}", Guid.NewGuid().ToString("N"));
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// Making an http call here to serve as an example of
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// how dependency calls will be captured and treated
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// automatically as child of incoming request.
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var res = HttpClient.GetStringAsync("http://google.com").Result;
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var rng = new Random();
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var forecast = Enumerable.Range(1, 5).Select(index => new WeatherForecast
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{
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Date = DateTime.Now.AddDays(index),
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TemperatureC = rng.Next(-20, 55),
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Summary = Summaries[rng.Next(Summaries.Length)],
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})
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.ToArray();
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this.logger.LogInformation(
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"WeatherForecasts generated {count}: {forecasts}",
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forecast.Length,
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forecast);
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return forecast;
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}
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}
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}
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