Features and bug fixes

Autometrics-CS.sln

@@ -15,24 +15,57 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Autometrics.Instrumentation.Tests", "src\Autometrics.Instrumentation.Tests\Autometrics.Instrumentation.Tests.csproj", "{93EAE891-CAB6-47D4-80A8-B151A423FDA6}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Samples", "Samples", "{12A476A7-0753-4A7E-BFA9-6D2701B34E89}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Autometrics.Samples.ConsoleApp", "examples\Autometrics.Samples.ConsoleApp\Autometrics.Samples.ConsoleApp.csproj", "{488AB5DF-36E4-4992-B9A7-8C2E6D188CDC}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Autometrics.Samples.Library", "examples\Autometrics.Samples.Library\Autometrics.Samples.Library.csproj", "{8EDA190B-A429-4BB9-949F-4507870F3275}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Autometrics.Samples.WebApp", "examples\Autometrics.Samples.WebApp\Autometrics.Samples.WebApp.csproj", "{99E9E740-B530-4B7F-9598-C044E669F56E}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
+		Local Release|Any CPU = Local Release|Any CPU
 		Release|Any CPU = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
 		{A220D3AC-D7FC-4CCA-BC38-F209691851C2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{A220D3AC-D7FC-4CCA-BC38-F209691851C2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A220D3AC-D7FC-4CCA-BC38-F209691851C2}.Local Release|Any CPU.ActiveCfg = Local Release|Any CPU
+		{A220D3AC-D7FC-4CCA-BC38-F209691851C2}.Local Release|Any CPU.Build.0 = Local Release|Any CPU
 		{A220D3AC-D7FC-4CCA-BC38-F209691851C2}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{A220D3AC-D7FC-4CCA-BC38-F209691851C2}.Release|Any CPU.Build.0 = Release|Any CPU
 		{93EAE891-CAB6-47D4-80A8-B151A423FDA6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{93EAE891-CAB6-47D4-80A8-B151A423FDA6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{93EAE891-CAB6-47D4-80A8-B151A423FDA6}.Local Release|Any CPU.ActiveCfg = Local Release|Any CPU
+		{93EAE891-CAB6-47D4-80A8-B151A423FDA6}.Local Release|Any CPU.Build.0 = Local Release|Any CPU
 		{93EAE891-CAB6-47D4-80A8-B151A423FDA6}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{93EAE891-CAB6-47D4-80A8-B151A423FDA6}.Release|Any CPU.Build.0 = Release|Any CPU
+		{488AB5DF-36E4-4992-B9A7-8C2E6D188CDC}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{488AB5DF-36E4-4992-B9A7-8C2E6D188CDC}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{488AB5DF-36E4-4992-B9A7-8C2E6D188CDC}.Local Release|Any CPU.ActiveCfg = Local Release|Any CPU
+		{488AB5DF-36E4-4992-B9A7-8C2E6D188CDC}.Local Release|Any CPU.Build.0 = Local Release|Any CPU
+		{488AB5DF-36E4-4992-B9A7-8C2E6D188CDC}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{8EDA190B-A429-4BB9-949F-4507870F3275}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{8EDA190B-A429-4BB9-949F-4507870F3275}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{8EDA190B-A429-4BB9-949F-4507870F3275}.Local Release|Any CPU.ActiveCfg = Local Release|Any CPU
+		{8EDA190B-A429-4BB9-949F-4507870F3275}.Local Release|Any CPU.Build.0 = Local Release|Any CPU
+		{8EDA190B-A429-4BB9-949F-4507870F3275}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{99E9E740-B530-4B7F-9598-C044E669F56E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{99E9E740-B530-4B7F-9598-C044E669F56E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{99E9E740-B530-4B7F-9598-C044E669F56E}.Local Release|Any CPU.ActiveCfg = Local Release|Any CPU
+		{99E9E740-B530-4B7F-9598-C044E669F56E}.Local Release|Any CPU.Build.0 = Local Release|Any CPU
+		{99E9E740-B530-4B7F-9598-C044E669F56E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{488AB5DF-36E4-4992-B9A7-8C2E6D188CDC} = {12A476A7-0753-4A7E-BFA9-6D2701B34E89}
+		{8EDA190B-A429-4BB9-949F-4507870F3275} = {12A476A7-0753-4A7E-BFA9-6D2701B34E89}
+		{99E9E740-B530-4B7F-9598-C044E669F56E} = {12A476A7-0753-4A7E-BFA9-6D2701B34E89}
+	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {422C978E-1479-4996-B5D7-B494E97E3B45}
 	EndGlobalSection

examples/Autometrics.Samples.ConsoleApp/Autometrics.Samples.ConsoleApp.csproj

@@ -8,6 +8,7 @@
     <AssemblyVersion>1.0.2.1</AssemblyVersion>
     <Version></Version>
     <FileVersion></FileVersion>
+    <Configurations>Debug;Release;Local Release</Configurations>
   </PropertyGroup>
 
   <ItemGroup>
@@ -18,7 +19,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\Autometrics.Instrumentation\Autometrics.Instrumentation.csproj" />
+    <ProjectReference Include="..\..\src\Autometrics.Instrumentation\Autometrics.Instrumentation.csproj" />
     <ProjectReference Include="..\Autometrics.Samples.Library\Autometrics.Samples.Library.csproj" />
   </ItemGroup>
 

examples/Autometrics.Samples.ConsoleApp/ConsoleMetrics.cs

@@ -11,6 +11,9 @@ public static void GenerateActivity()
             // Create a meter provider with the console exporter connected to the Autometrics.Instrumentation meter
             using var meterProvider = Sdk.CreateMeterProviderBuilder()
                 .AddMeter("Autometrics.Instrumentation")
+                .AddView(
+                    instrumentName: "function.calls.duration",
+                    new ExplicitBucketHistogramConfiguration { Boundaries = new double[] { 0.005, 0.01, 0.025, 0.05, 0.075, 0.1, 0.25, 0.5, 0.75, 1, 2.5, 5, 7.5, 10 } })
                 .AddConsoleExporter()
                 .Build();
 

examples/Autometrics.Samples.ConsoleApp/OtelCollector.cs

@@ -11,6 +11,9 @@ public static void GenerateActivity()
             // Create a meter provider with the Otlp exporter connected to the Autometrics.Instrumentation
             using var meterProvider = Sdk.CreateMeterProviderBuilder()
                 .AddMeter("Autometrics.Instrumentation")
+                .AddView(
+                    instrumentName: "function.calls.duration",
+                    new ExplicitBucketHistogramConfiguration { Boundaries = new double[] { 0.005, 0.01, 0.025, 0.05, 0.075, 0.1, 0.25, 0.5, 0.75, 1, 2.5, 5, 7.5, 10 } })
                 .AddOtlpExporter()
                 .Build();
 

examples/Autometrics.Samples.ConsoleApp/Program.cs

@@ -15,6 +15,9 @@ private static void Main(string[] args)
             Console.WriteLine("6. Exit");
             Console.Write("Enter the option number: ");
 
+            //set the environment variable for the service name, yuo can also use OTEL_SERVICE_NAME
+            System.Environment.SetEnvironmentVariable("AUTOMETRICS_SERVICE_NAME", "Console Simulator!");
+
             if (int.TryParse(Console.ReadLine(), out int option))
             {
                 switch (option)

examples/Autometrics.Samples.ConsoleApp/ScrapableMetrics.cs

@@ -11,10 +11,13 @@ public static void GenerateActivity()
             // Create a meter provider with the console exporter connected to the Autometrics.Instrumentation meter
             using var meterProvider = Sdk.CreateMeterProviderBuilder()
                 .AddMeter("Autometrics.Instrumentation")
+                .AddView(
+                    instrumentName: "function.calls.duration",
+                    new ExplicitBucketHistogramConfiguration { Boundaries = new double[] { 0.005, 0.01, 0.025, 0.05, 0.075, 0.1, 0.25, 0.5, 0.75, 1, 2.5, 5, 7.5, 10 } })
                 .AddPrometheusHttpListener(
                 options =>
                 {
-                    options.UriPrefixes = new string[] { "http://localhost:9090/" };
+                    options.UriPrefixes = new string[] { "http://localhost:9091/" };
                 })
                 .Build();
 

examples/Autometrics.Samples.Library/Autometrics.Samples.Library.csproj

@@ -4,10 +4,11 @@
     <TargetFramework>net6.0</TargetFramework>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
+    <Configurations>Debug;Release;Local Release</Configurations>
   </PropertyGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\Autometrics.Instrumentation\Autometrics.Instrumentation.csproj" />
+    <ProjectReference Include="..\..\src\Autometrics.Instrumentation\Autometrics.Instrumentation.csproj" />
   </ItemGroup>
 
 </Project>

examples/Autometrics.Samples.WebApp/Autometrics.Samples.WebApp.csproj

@@ -4,6 +4,7 @@
     <TargetFramework>net6.0</TargetFramework>
     <Nullable>enable</Nullable>
     <ImplicitUsings>enable</ImplicitUsings>
+    <Configurations>Debug;Release;Local Release</Configurations>
   </PropertyGroup>
 
   <ItemGroup>
@@ -12,7 +13,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\Autometrics.Instrumentation\Autometrics.Instrumentation.csproj" />
+    <ProjectReference Include="..\..\src\Autometrics.Instrumentation\Autometrics.Instrumentation.csproj" />
+    <ProjectReference Include="..\Autometrics.Samples.Library\Autometrics.Samples.Library.csproj" />
   </ItemGroup>
 
 </Project>

examples/Autometrics.Samples.WebApp/Program.cs

@@ -11,6 +11,10 @@
         // Additional configuration or other exporters can be added here
         builder.AddOtlpExporter();
         builder.AddMeter("Autometrics.Instrumentation");
+        builder.AddView(
+                    instrumentName: "function.calls.duration",
+                    new ExplicitBucketHistogramConfiguration { Boundaries = new double[] { 0.005, 0.01, 0.025, 0.05, 0.075, 0.1, 0.25, 0.5, 0.75, 1, 2.5, 5, 7.5, 10 } }
+                    );
     });
 
 var app = builder.Build();

src/Autometrics.Instrumentation.Tests/Autometrics.Instrumentation.Tests.csproj

@@ -7,6 +7,7 @@
 
     <IsPackable>false</IsPackable>
     <IsTestProject>true</IsTestProject>
+    <Configurations>Debug;Release;Local Release</Configurations>
   </PropertyGroup>
 
   <ItemGroup>

src/Autometrics.Instrumentation.Tests/Utils/MetricReading.cs

@@ -31,7 +31,7 @@ public MetricReading(string metricName, T reading, KeyValuePair<string, object?>
                     case "result":
                         Result = tag.Value?.ToString();
                         break;
-                    case "caller":
+                    case "caller.function":
                         Caller = tag.Value?.ToString();
                         break;
                     case "objectiveName":

src/Autometrics.Instrumentation/Aspects/AutometricsAspect.cs

@@ -1,11 +1,8 @@
 using AspectInjector.Broker;
 using Autometrics.Instrumentation.Attributes;
 using Autometrics.Instrumentation.SLO;
-using System;
-using System.Collections.Generic;
 using System.Diagnostics;
 using System.Reflection;
-using System.Text;
 using System.Text.RegularExpressions;
 
 namespace Autometrics.Instrumentation.Aspects
@@ -18,10 +15,6 @@ namespace Autometrics.Instrumentation.Aspects
     [Aspect(Scope.Global)]
     public class AutometricsAspect
     {
-        // Aspect Injection renames methods, if we get a renamed one it will look like this: __a$_around_SaferMethod_100663303_o
-        // We need a regex to identify these methods
-        private static readonly string renamedMethodRegex = @"^__a\$_around_(?<originalMethodName>.*)_\d{5,10}_o$";
-
         /// <summary>
         /// This is the method that will be injected into the target method, it will wrap the target method in a try/catch block and record the duration of the method call
         /// If any exceptions are thrown, they will be rethrown after the duration is recorded and a result of error tagged on the metric
@@ -40,18 +33,21 @@ public object HandleMethod(
             [Argument(Source.Triggers)] Attribute[] triggers)
         {
             Stopwatch stopwatch = new Stopwatch();
-            stopwatch.Start();
             bool success = false;
 
             // We'll start with our objective as null, but if the trigger has one we'll use it
             Objective? slo = null;
+            string? serviceName = null;
             if (triggers.Length > 0 && triggers[0] is AutometricsAttribute attribute)
             {
                 slo = attribute.SLO;
+                serviceName = attribute.GetServiceName();
             }
 
             try
             {
+                // start the stopwatch, call the method, stop the stopwatch to record the duration
+                stopwatch.Start();
                 object result = method(arguments);
                 success = true;
                 return result;
@@ -64,50 +60,9 @@ public object HandleMethod(
             finally
             {
                 stopwatch.Stop();
-                MetricCounters.RecordFunctionCall(stopwatch.Elapsed.TotalSeconds, methodName, success, metadata.DeclaringType.FullName, GetCallingMethodName(metadata), slo);
+                CallingMethod caller = new CallingMethod(metadata);
+                MetricCounters.RecordFunctionCall(stopwatch.Elapsed.TotalSeconds, methodName, success, metadata.DeclaringType.FullName, caller, serviceName, slo);
             }
         }
-
-        /// <summary>
-        /// This resolves the name of the calling method, and if the calling method was renamed by AspectInjector, it will attempt to return the original name via regex
-        /// </summary>
-        /// <param name="method">The metadata from AspectInjector</param>
-        /// <returns></returns>
-        private static string? GetCallingMethodName(MethodBase method)
-        {
-            var stackTrace = new StackTrace();
-            var stackFrames = stackTrace.GetFrames();
-            MethodBase callingMethod = null;
-
-            if (stackFrames == null)
-            {
-                return null;
-            }
-
-            for (int i = 0; i < stackFrames.Length; i++)
-            {
-                if (stackFrames[i].GetMethod() == method)
-                {
-                    // The calling method is the one before the current method in the stack
-                    callingMethod = i + 1 < stackFrames.Length ? stackFrames[i + 1].GetMethod() : null;
-                }
-            }
-
-            // If the calling method isn't null, match it to our regex to see if it's a renamed method, then return the original name
-            if (callingMethod != null)
-            {
-                var match = Regex.Match(callingMethod.Name, renamedMethodRegex, RegexOptions.Compiled);
-                if (match.Success)
-                {
-                    return match.Groups["originalMethodName"].Value;
-                }
-                else
-                {
-                    return callingMethod.Name;
-                }
-            }
-
-            return null;
-        }
     }
-}
+}

src/Autometrics.Instrumentation/Attributes/AutometricsAttribute.cs

@@ -17,20 +17,38 @@ public class AutometricsAttribute : Attribute
         /// <see href="https://github.com/autometrics-dev/autometrics-shared/blob/main/SPEC.md#service-level-objectives-slos">Service-Level Objectives (SLOs) Spec</see>
         /// </summary>
         public Objective? SLO { get; }
+        public string EntryAssemblyName { get; private set; }
 
         public AutometricsAttribute()
         {
             SLO = null;
+            EntryAssemblyName = GetAssemblyName();
         }
 
         public AutometricsAttribute(string objectiveName, ObjectivePercentile objectivePercentile, ObjectiveLatency objectiveLatencyThreshold, ObjectiveType objectiveType = ObjectiveType.SuccessAndLatency)
         {
             SLO = new Objective(objectiveName, objectivePercentile, objectiveLatencyThreshold, objectiveType);
+            EntryAssemblyName = GetAssemblyName();
         }
 
         public AutometricsAttribute(string objectiveName, ObjectivePercentile objectivePercentile)
         {
             SLO = new Objective(objectiveName, objectivePercentile);
+            EntryAssemblyName = GetAssemblyName();
+        }
+
+        private string GetAssemblyName()
+        {
+            return Assembly.GetEntryAssembly()?.GetName().Name ?? "Unknown";
+        }
+
+        /// <summary>
+        /// Gets the ServiceName, starting at the Attribule level, then the Environment Variable, then the EntryAssemblyName
+        /// </summary>
+        /// <returns></returns>
+        public string GetServiceName()
+        {
+            return Environment.GetEnvironmentVariable("AUTOMETRICS_SERVICE_NAME") ?? Environment.GetEnvironmentVariable("OTEL_SERVICE_NAME") ?? EntryAssemblyName;
         }
 
     }