72 lines
2.2 KiB
C#
72 lines
2.2 KiB
C#
// <copyright file="MyExporter.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.Text;
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using OpenTelemetry;
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using OpenTelemetry.Metrics;
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internal class MyExporter : BaseExporter<Metric>
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{
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private readonly string name;
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public MyExporter(string name = "MyExporter")
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{
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this.name = name;
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}
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public override ExportResult Export(in Batch<Metric> batch)
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{
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// SuppressInstrumentationScope should be used to prevent exporter
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// code from generating telemetry and causing live-loop.
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using var scope = SuppressInstrumentationScope.Begin();
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var sb = new StringBuilder();
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foreach (var metric in batch)
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{
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if (sb.Length > 0)
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{
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sb.Append(", ");
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}
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sb.Append($"{metric.Name}");
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foreach (ref readonly var metricPoint in metric.GetMetricPoints())
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{
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sb.Append($"{metricPoint.StartTime}");
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foreach (var metricPointTag in metricPoint.Tags)
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{
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sb.Append($"{metricPointTag.Key} {metricPointTag.Value}");
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}
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}
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}
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Console.WriteLine($"{this.name}.Export([{sb}])");
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return ExportResult.Success;
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}
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protected override bool OnShutdown(int timeoutMilliseconds)
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{
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Console.WriteLine($"{this.name}.OnShutdown(timeoutMilliseconds={timeoutMilliseconds})");
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return true;
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}
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protected override void Dispose(bool disposing)
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{
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Console.WriteLine($"{this.name}.Dispose({disposing})");
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}
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}
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