79 lines
2.9 KiB
C#
79 lines
2.9 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.Diagnostics;
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using OpenTelemetry;
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using OpenTelemetry.Trace;
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public class Program
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{
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private static readonly ActivitySource MyLibraryActivitySource = new ActivitySource(
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"MyCompany.MyProduct.MyLibrary");
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private static readonly ActivitySource ComponentAActivitySource = new ActivitySource(
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"AbcCompany.XyzProduct.ComponentA");
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private static readonly ActivitySource ComponentBActivitySource = new ActivitySource(
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"AbcCompany.XyzProduct.ComponentB");
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private static readonly ActivitySource SomeOtherActivitySource = new ActivitySource(
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"SomeCompany.SomeProduct.SomeComponent");
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public static void Main()
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{
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using var tracerProvider = Sdk.CreateTracerProviderBuilder()
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// The following adds subscription to activities from Activity Source
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// named "MyCompany.MyProduct.MyLibrary" only.
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.AddSource("MyCompany.MyProduct.MyLibrary")
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// The following adds subscription to activities from all Activity Sources
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// whose name starts with "AbcCompany.XyzProduct.".
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.AddSource("AbcCompany.XyzProduct.*")
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.AddConsoleExporter()
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.Build();
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// This activity source is enabled.
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using (var activity = MyLibraryActivitySource.StartActivity("SayHello"))
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{
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activity?.SetTag("foo", 1);
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activity?.SetTag("bar", "Hello, World!");
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}
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// This activity source is enabled through wild card "AbcCompany.XyzProduct.*"
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using (var activity = ComponentAActivitySource.StartActivity("SayHello"))
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{
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activity?.SetTag("foo", 1);
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activity?.SetTag("bar", "Hello, World!");
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}
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// This activity source is enabled through wild card "AbcCompany.XyzProduct.*"
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using (var activity = ComponentBActivitySource.StartActivity("SayHello"))
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{
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activity?.SetTag("foo", 1);
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activity?.SetTag("bar", "Hello, World!");
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}
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// This activity source is not enabled, so activity will
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// be null here.
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using (var activity = SomeOtherActivitySource.StartActivity("SayHello"))
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{
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activity?.SetTag("foo", 1);
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activity?.SetTag("bar", "Hello, World!");
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}
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}
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}
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