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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| 
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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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| 
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| namespace Examples.ManualInstrumentations;
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| 
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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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| 
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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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| 
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|         return 0;
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|     }
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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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| 
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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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| 
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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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