Merge pull request #729 from evgenyfedorov2/users/evgenyfedorov2/improve_logsampling_sample

Improvements for LogSampling sample

Author: evgenyfedorov2

Samples.sln

@@ -59,6 +59,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LogSampling", "src\Telemetr
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ResourceMonitoring", "src\Diagnostics\ResourceMonitoring\ResourceMonitoring.csproj", "{6D431512-48DD-F38B-8356-3A4877BFD81D}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "LogSampling", "LogSampling", "{02EA681E-C7D8-13C7-8484-4AC65E1B71E8}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -128,8 +130,9 @@ Global
 		{931A6585-1085-4185-AE12-78BBA87F2A73} = {175F98E5-AFE8-4978-A512-EB84AD660208}
 		{C42F13CB-E8D9-4A37-BFCC-A50458509D69} = {301296EC-54FF-4ADC-B2D1-281E0C7F2867}
 		{9B5FB8C7-27BA-4397-B4B8-DD0B0D525CB2} = {C42F13CB-E8D9-4A37-BFCC-A50458509D69}
-		{1A8652E7-EA1D-49AF-98B3-56D655F759B6} = {248CB37C-2412-4231-96C0-092413C10D4B}
+		{1A8652E7-EA1D-49AF-98B3-56D655F759B6} = {02EA681E-C7D8-13C7-8484-4AC65E1B71E8}
 		{6D431512-48DD-F38B-8356-3A4877BFD81D} = {FB9718C9-18B4-4AD3-A0D8-1EA93382334B}
+		{02EA681E-C7D8-13C7-8484-4AC65E1B71E8} = {248CB37C-2412-4231-96C0-092413C10D4B}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {6083D400-BF26-4ACE-86A8-778D26A8FA6A}

src/Telemetry/Logging/LogSampling/Log.cs

@@ -8,9 +8,8 @@ namespace LogSampling;
 internal static partial class Log
 {
     [LoggerMessage(Level = LogLevel.Error, Message = "ERROR log message in my application.")]
-    public static partial void ErrorMessage(ILogger logger);
+    public static partial void ErrorMessage(this ILogger logger);
 
     [LoggerMessage(Level = LogLevel.Information, Message = "INFORMATION log message in my application.")]
-    public static partial void InformationMessage(ILogger logger);
-
+    public static partial void InformationMessage(this ILogger logger);
 }

src/Telemetry/Logging/LogSampling/Program.cs

@@ -1,41 +1,35 @@
-// Licensed to the .NET Foundation under one or more agreements.
+// Licensed to the .NET Foundation under one or more agreements.
 // The .NET Foundation licenses this file to you under the MIT license.
 
-using System.Threading;
+using System.Threading.Tasks;
+using LogSampling;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 
-namespace LogSampling;
+var hostBuilder = Host.CreateApplicationBuilder();
 
-internal static class Program
+hostBuilder.Logging.AddSimpleConsole(options =>
 {
-    public static void Main()
+    options.SingleLine = true;
+    options.TimestampFormat = "hh:mm:ss";
+});
+
+// Add the Random probabilistic sampler to the logging pipeline.
+hostBuilder.Logging.AddRandomProbabilisticSampler(hostBuilder.Configuration);
+
+using var app = hostBuilder.Build();
+
+var loggerFactory = app.Services.GetRequiredService<ILoggerFactory>();
+var logger = loggerFactory.CreateLogger("SamplingDemo");
+
+while (true)
+{
+    logger.ErrorMessage();
+
+    for (int i = 0; i < 10; i++)
     {
-        var hostBuilder = Host.CreateApplicationBuilder();
-        hostBuilder.Logging.AddSimpleConsole(options =>
-        {
-            options.SingleLine = true;
-            options.TimestampFormat = "hh:mm:ss";
-        });
-
-        // Add the Random probabilistic sampler to the logging pipeline.
-        hostBuilder.Logging.AddRandomProbabilisticSampler(hostBuilder.Configuration);
-
-        var app = hostBuilder.Build();
-        var loggerFactory = app.Services.GetRequiredService<ILoggerFactory>();
-        var logger = loggerFactory.CreateLogger("SamplingDemo");
-
-        // Simulate a prod application with many log messages generated:
-        while (true)
-        {
-            Log.ErrorMessage(logger);
-
-            for (int i = 0; i < 10; i++)
-            {
-                Log.InformationMessage(logger);
-                Thread.Sleep(300);
-            }
-        }
+        logger.InformationMessage();
+        await Task.Delay(300).ConfigureAwait(false);
     }
 }