Fix for missing TraceId and SpanId

DockerfileSolutionRestore.txt

@@ -4,9 +4,9 @@ COPY ["sample/Sample/Sample.csproj", "sample/Sample/"]
 COPY ["src/Serilog.Sinks.Splunk/Serilog.Sinks.Splunk.csproj", "src/Serilog.Sinks.Splunk/"]
 COPY ["src/Serilog.Sinks.TCP/Serilog.Sinks.Splunk.TCP.csproj", "src/Serilog.Sinks.TCP/"]
 COPY ["src/Serilog.Sinks.UDP/Serilog.Sinks.Splunk.UDP.csproj", "src/Serilog.Sinks.UDP/"]
+COPY ["test/Serilog.Sinks.Splunk.TCP.Tests/Serilog.Sinks.Splunk.TCP.Tests.csproj", "test/Serilog.Sinks.Splunk.TCP.Tests/"]
 COPY ["test/Serilog.Sinks.Splunk.Tests/Serilog.Sinks.Splunk.Tests.csproj", "test/Serilog.Sinks.Splunk.Tests/"]
 COPY ["docker-compose.dcproj", "./"]
-COPY ["nuget.config", "./"]
 COPY ["serilog-sinks-splunk.sln", "./"]
 RUN dotnet restore "serilog-sinks-splunk.sln"
 

sample/Sample/Dockerfile

@@ -1,5 +1,5 @@
 #See https://aka.ms/customizecontainer to learn how to customize your debug container and how Visual Studio uses this Dockerfile to build your images for faster debugging.
-FROM mcr.microsoft.com/dotnet/runtime:8.0 AS base
+FROM mcr.microsoft.com/dotnet/aspnet:8.0.4-alpine3.19 AS base
 WORKDIR /app
 EXPOSE 8080
 
@@ -12,6 +12,7 @@ COPY ["sample/Sample/Sample.csproj", "sample/Sample/"]
 COPY ["src/Serilog.Sinks.Splunk/Serilog.Sinks.Splunk.csproj", "src/Serilog.Sinks.Splunk/"]
 COPY ["src/Serilog.Sinks.TCP/Serilog.Sinks.Splunk.TCP.csproj", "src/Serilog.Sinks.TCP/"]
 COPY ["src/Serilog.Sinks.UDP/Serilog.Sinks.Splunk.UDP.csproj", "src/Serilog.Sinks.UDP/"]
+COPY ["test/Serilog.Sinks.Splunk.TCP.Tests/Serilog.Sinks.Splunk.TCP.Tests.csproj", "test/Serilog.Sinks.Splunk.TCP.Tests/"]
 COPY ["test/Serilog.Sinks.Splunk.Tests/Serilog.Sinks.Splunk.Tests.csproj", "test/Serilog.Sinks.Splunk.Tests/"]
 COPY ["docker-compose.dcproj", "./"]
 COPY ["serilog-sinks-splunk.sln", "./"]

sample/Sample/Program.cs

@@ -1,9 +1,14 @@
-using Microsoft.Extensions.Configuration;
+using Microsoft.AspNetCore.Http;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
 using Serilog;
 using Serilog.Events;
+using Serilog.Exceptions;
+using Serilog.Extensions;
 using Serilog.Sinks.Splunk;
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Threading.Tasks;
@@ -55,6 +60,10 @@ public static async Task Main(string[] args)
                     await Task.Delay(1000);
                 }
 
+
+                logger.Information("Creating logger {MethodName}.", nameof(ReproduceGitHubIssue195));
+                ReproduceGitHubIssue195();
+
                 logger.Information("Creating logger {MethodName}.", nameof(ReproduceGitHubIssue183));
                 ReproduceGitHubIssue183();
 
@@ -394,6 +403,49 @@ public static void ReproduceGitHubIssue183()
 
             Log.CloseAndFlush();
         }
+
+        public static void ReproduceGitHubIssue195()
+        {
+            var serviceCollection = new ServiceCollection()
+                .AddLogging(builder => builder.AddSerilog(dispose: true));
+
+            serviceCollection.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
+
+            var services = serviceCollection.BuildServiceProvider();
+
+            // Override Source
+            var loggerConfig = new LoggerConfiguration()
+                .Enrich.FromLogContext()
+                .Enrich.WithExceptionDetails()
+                .Enrich.WithCorrelationId(addValueIfHeaderAbsence: true)
+                .MinimumLevel.Verbose()
+                .WriteTo.EventCollector(
+                    SPLUNK_ENDPOINT,
+                    Program.EventCollectorToken,
+                    restrictedToMinimumLevel: LogEventLevel.Debug);
+
+            using (var logger = loggerConfig.CreateLogger())
+            {
+                var http = services.GetRequiredService<IHttpContextAccessor>();
+
+                http.HttpContext = new DefaultHttpContext();
+
+
+                using var activity = new Activity("TraceIDTest");
+                activity.Start();
+                Activity.Current = activity;
+                http.HttpContext.TraceIdentifier = activity.Id;
+
+                Log.Logger = logger;
+
+                logger.Information("TraceID Information message {@param}", new { Property1 = 1, Property2 = 2 });
+                logger.Warning("TraceID Warning message {@param}", "Hello this is a string");
+                logger.Error(new Exception("Bang"), "TraceID Error message");
+                activity.Stop();
+            }
+
+            Log.CloseAndFlush();
+        }
     }
 
 

sample/Sample/Sample.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
@@ -7,10 +7,15 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
     <PackageReference Include="Serilog" Version="3.1.1" />
+    <PackageReference Include="Serilog.Extensions.Hosting" Version="8.0.0" />
     <PackageReference Include="Serilog.Sinks.Console" Version="5.0.1" />
     <PackageReference Include="Serilog.Settings.Configuration" Version="8.0.0" />
     <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="8.0.0" />
+    <PackageReference Include="Serilog.Enrichers.HttpContext" Version="8.0.4" />
+    <PackageReference Include="Destructurama.Attributed" Version="4.0.0" />
+    <PackageReference Include="Serilog.Exceptions" Version="8.4.0" />
   </ItemGroup>
 
   <ItemGroup>

src/Serilog.Sinks.Splunk/Sinks/Splunk/SplunkJsonFormatter.cs

@@ -135,6 +135,7 @@ public SplunkJsonFormatter(
                     // "fields": {"club":"glee", "wins",["regionals","nationals"]}
                     suffixWriter.Write(",\"fields\": {");
                     var lastFieldIndex = customFields.CustomFieldList.Count;
+
                     foreach (var customField in customFields.CustomFieldList)
                     {
                         if (customField.ValueList.Count == 1)
@@ -194,6 +195,18 @@ public void Format(LogEvent logEvent, TextWriter output)
                 JsonValueFormatter.WriteQuotedJsonString(logEvent.Exception.ToString(), output);
             }
 
+            if (logEvent.TraceId != null)
+            {
+                output.Write(",\"TraceId\":");
+                JsonValueFormatter.WriteQuotedJsonString(logEvent.TraceId.ToString()!, output);
+            }
+
+            if (logEvent.SpanId != null)
+            {
+                output.Write(",\"SpanId\":");
+                JsonValueFormatter.WriteQuotedJsonString(logEvent.SpanId.ToString()!, output);
+            }
+
             if (logEvent.Properties.Count != 0)
                 WriteProperties(logEvent.Properties, output);