opentelemetry-dotnet/examples/Console/TestHttpClient.cs

56 lines
2.0 KiB
C#

// <copyright file="TestHttpClient.cs" company="OpenTelemetry Authors">
// Copyright The OpenTelemetry Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// </copyright>
using System.Diagnostics;
using System.Net.Http;
using OpenTelemetry;
using OpenTelemetry.Resources;
using OpenTelemetry.Trace;
namespace Examples.Console
{
internal class TestHttpClient
{
// To run this example, run the following command from
// the reporoot\examples\Console\.
// (eg: C:\repos\opentelemetry-dotnet\examples\Console\)
//
// dotnet run httpclient
internal static object Run()
{
System.Console.WriteLine("Hello World!");
using var openTelemetry = Sdk.CreateTracerProviderBuilder()
.AddHttpClientInstrumentation()
.SetResourceBuilder(ResourceBuilder.CreateDefault().AddService("http-service-example"))
.AddSource("http-client-test")
.AddConsoleExporter()
.Build();
var source = new ActivitySource("http-client-test");
using (var parent = source.StartActivity("incoming request", ActivityKind.Server))
{
using var client = new HttpClient();
client.GetStringAsync("http://bing.com").GetAwaiter().GetResult();
}
System.Console.WriteLine("Press Enter key to exit.");
System.Console.ReadLine();
return null;
}
}
}