67 lines
2.1 KiB
C#
67 lines
2.1 KiB
C#
// <copyright file="Program.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.Diagnostics;
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using System.Net.Http;
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using System.Threading.Tasks;
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namespace Examples.ManualInstrumentations;
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internal class Program
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{
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private static readonly ActivitySource RegisteredActivity = new ActivitySource("Examples.ManualInstrumentations.Registered");
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private static readonly ActivitySource NonRegisteredActivity = new ActivitySource("NonRegistered.ManualInstrumentations");
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private static async Task<int> Main()
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{
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using (var activity = RegisteredActivity.StartActivity("Main"))
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{
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activity?.SetTag("foo", "bar1");
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await RunAsync();
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}
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return 0;
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}
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private static async Task RunAsync()
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{
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using (var activity = NonRegisteredActivity.StartActivity("RunAsync"))
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{
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activity?.SetTag("foo", "bar2");
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await HttpGet("https://www.example.com/default-handler");
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await HttpGet("http://127.0.0.1:8080/api/mongo");
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await HttpGet("http://127.0.0.1:8080/api/redis");
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}
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}
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private static async Task HttpGet(string url)
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{
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try
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{
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using var client = new HttpClient();
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Console.WriteLine($"Calling {url}");
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await client.GetAsync(url);
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Console.WriteLine($"Called {url}");
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}
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catch (HttpRequestException e)
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{
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Console.WriteLine($"HttpRequestException occurred while calling {url}, {e}");
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}
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}
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}
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