5.2.0 Release

Build.ps1

@@ -8,7 +8,7 @@ $branch = @{ $true = $env:APPVEYOR_REPO_BRANCH; $false = $(git symbolic-ref --sh
 $revision = @{ $true = "{0:00000}" -f [convert]::ToInt32("0" + $env:APPVEYOR_BUILD_NUMBER, 10); $false = "local" }[$env:APPVEYOR_BUILD_NUMBER -ne $NULL];
 $suffix = @{ $true = ""; $false = "$branch-$revision"}[$branch -eq "main" -and $revision -ne "local"]
 
-foreach ($src in ls src/Serilog.*) {
+foreach ($src in gci src/Serilog.*) {
     Push-Location $src
 
 	if ($suffix) {
@@ -21,7 +21,7 @@ foreach ($src in ls src/Serilog.*) {
     Pop-Location
 }
 
-foreach ($test in ls test/Serilog.*.Tests) {
+foreach ($test in gci test/Serilog.*.Tests) {
     Push-Location $test
 
     & dotnet test -c Release

appveyor.yml

@@ -1,10 +1,10 @@
 version: '{build}'
 skip_tags: true
-image: Visual Studio 2019
+image: Visual Studio 2022
 install:
-  - ps: mkdir -Force ".\build\" | Out-Null
+  - pwsh: mkdir -Force ".\build\" | Out-Null
 build_script:
-- ps: ./Build.ps1
+- pwsh: ./Build.ps1
 test: off
 artifacts:
 - path: artifacts/Serilog.*.nupkg
@@ -17,7 +17,7 @@ deploy:
     branch: /^(main|dev)$/
 - provider: GitHub
   auth_token:
-    secure: p4LpVhBKxGS5WqucHxFQ5c7C8cP74kbNB0Z8k9Oxx/PMaDQ1+ibmoexNqVU5ZlmX
+    secure: hX+cZmW+9BCXy7vyH8myWsYdtQHyzzil9K5yvjJv7dK9XmyrGYYDj/DPzMqsXSjo
   artifact: /Serilog.*\.nupkg/
   tag: v$(appveyor_build_version)
   on:

global.json

@@ -1,6 +1,6 @@
 {
   "sdk": {
-    "version": "5.0.401",
+    "version": "6.0.400",
     "rollForward": "latestFeature"
   }
 }

sample/Sample/Program.cs

@@ -1,35 +1,46 @@
-using System.Linq;
+using System;
+using System.Linq;
 using System.Threading;
+using System.Threading.Tasks;
 using Serilog;
 using Serilog.Core;
 
 namespace Sample
 {
     public static class Program
     {
-        public static void Main()
+        public static async Task Main()
         {
             // By sharing between the Seq sink and logger itself,
             // Seq API keys can be used to control the level of the whole logging pipeline.
             var levelSwitch = new LoggingLevelSwitch();
 
-            Log.Logger = new LoggerConfiguration()
-                .MinimumLevel.ControlledBy(levelSwitch)
-                .WriteTo.Console()
-                .WriteTo.Seq("http://localhost:5341", controlLevelSwitch: levelSwitch)
-                .CreateLogger();
+            try
+            {
+                Log.Logger = new LoggerConfiguration()
+                    .MinimumLevel.ControlledBy(levelSwitch)
+                    .WriteTo.Console()
+                    .WriteTo.Seq("http://localhost:5341", controlLevelSwitch: levelSwitch)
+                    .CreateLogger();
 
-            Log.Information("Sample starting up");
+                Log.Information("Sample starting up");
 
-            foreach (var i in Enumerable.Range(0, 1000))
-            {
-                Log.Information("Running loop {Counter}, switch is at {Level}", i, levelSwitch.MinimumLevel);
+                foreach (var i in Enumerable.Range(0, 100))
+                {
+                    Log.Information("Running loop {Counter}, switch is at {Level}", i, levelSwitch.MinimumLevel);
 
-                Thread.Sleep(1000);
-                Log.Debug("Loop iteration done");
+                    Thread.Sleep(1000);
+                    Log.Debug("Loop iteration done");
+                }
+            }
+            catch (Exception ex)
+            {
+                Log.Error(ex, "Unhandled exception");
+            }
+            finally
+            {
+                await Log.CloseAndFlushAsync();
             }
-
-            Log.CloseAndFlush();
         }
     }
 }

sample/Sample/Sample.csproj

@@ -8,7 +8,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Serilog.Sinks.Console" Version="3.1.0" />
+    <PackageReference Include="Serilog.Sinks.Console" Version="4.1.0" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net4.8' ">

src/Serilog.Sinks.Seq/Serilog.Sinks.Seq.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Description>Serilog sink that writes to the Seq log server over HTTP/HTTPS.</Description>
-    <VersionPrefix>5.1.1</VersionPrefix>
+    <VersionPrefix>5.2.0</VersionPrefix>
     <Authors>Serilog Contributors</Authors>
     <Copyright>Copyright © Serilog Contributors</Copyright>
     <TargetFrameworks>net5.0;netstandard1.1;netstandard1.3;netstandard2.0;net4.5;netcoreapp3.1</TargetFrameworks>
@@ -32,11 +32,11 @@
   </PropertyGroup>
 
   <PropertyGroup Condition=" '$(TargetFramework)' == 'netcoreapp3.1' ">
-    <DefineConstants>$(DefineConstants);DURABLE;THREADING_TIMER;WRITE_ALL_BYTES_ASYNC</DefineConstants>
+    <DefineConstants>$(DefineConstants);DURABLE;THREADING_TIMER;WRITE_ALL_BYTES_ASYNC;ASYNC_DISPOSE</DefineConstants>
   </PropertyGroup>
 
   <PropertyGroup Condition=" '$(TargetFramework)' == 'net5.0' ">
-    <DefineConstants>$(DefineConstants);DURABLE;THREADING_TIMER;WRITE_ALL_BYTES_ASYNC</DefineConstants>
+    <DefineConstants>$(DefineConstants);DURABLE;THREADING_TIMER;WRITE_ALL_BYTES_ASYNC;ASYNC_DISPOSE;SOCKETS_HTTP_HANDLER_ALWAYS_DEFAULT</DefineConstants>
   </PropertyGroup>
 
   <PropertyGroup Condition=" '$(TargetFramework)' == 'net4.5' ">
@@ -48,10 +48,10 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Serilog" Version="2.10.0" />
-    <PackageReference Include="Serilog.Sinks.PeriodicBatching" Version="2.3.0" />
+    <PackageReference Include="Serilog" Version="2.12.0" />
+    <PackageReference Include="Serilog.Sinks.PeriodicBatching" Version="3.0.0" />
     <PackageReference Include="Serilog.Formatting.Compact" Version="1.1.0" />
-    <PackageReference Include="Nullable" Version="1.3.0" PrivateAssets="All" />
+    <PackageReference Include="Nullable" Version="1.3.1" PrivateAssets="All" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'netstandard1.1' ">
@@ -63,7 +63,7 @@
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' != 'netstandard1.1' ">
-    <PackageReference Include="Serilog.Sinks.File" Version="4.0.0" />
+    <PackageReference Include="Serilog.Sinks.File" Version="5.0.0" />
   </ItemGroup>
 
   <ItemGroup>

src/Serilog.Sinks.Seq/Sinks/Seq/Durable/DurableSeqSink.cs

@@ -24,6 +24,9 @@
 namespace Serilog.Sinks.Seq.Durable
 {
     sealed class DurableSeqSink : ILogEventSink, IDisposable
+#if ASYNC_DISPOSE
+        , IAsyncDisposable
+#endif
     {
         readonly HttpLogShipper _shipper;
         readonly Logger _sink;
@@ -73,6 +76,14 @@ public void Dispose()
             _sink.Dispose();
             _shipper.Dispose();
         }
+
+#if ASYNC_DISPOSE
+        public async System.Threading.Tasks.ValueTask DisposeAsync()
+        {
+            await _sink.DisposeAsync().ConfigureAwait(false);
+            await _shipper.DisposeAsync().ConfigureAwait(false);
+        }
+#endif
 
         public void Emit(LogEvent logEvent)
         {

src/Serilog.Sinks.Seq/Sinks/Seq/Durable/HttpLogShipper.cs

@@ -32,6 +32,9 @@
 namespace Serilog.Sinks.Seq.Durable
 {
     sealed class HttpLogShipper : IDisposable
+#if ASYNC_DISPOSE
+        , IAsyncDisposable
+#endif
     {
         static readonly TimeSpan RequiredLevelCheckInterval = TimeSpan.FromMinutes(2);
 
@@ -80,7 +83,13 @@ public HttpLogShipper(
             SetTimer();
         }
 
-        void CloseAndFlush()
+        public bool IsIncluded(LogEvent logEvent)
+        {
+            return _controlledSwitch.IsIncluded(logEvent);
+        }
+
+        /// <inheritdoc/>
+        public void Dispose()
         {
             lock (_stateLock)
             {
@@ -92,20 +101,26 @@ void CloseAndFlush()
 
             _timer.Dispose();
 
-            OnTick().GetAwaiter().GetResult();
+            Task.Run(OnTick).Wait();
         }
-
-        public bool IsIncluded(LogEvent logEvent)
+
+#if ASYNC_DISPOSE
+        public async ValueTask DisposeAsync()
         {
-            return _controlledSwitch.IsIncluded(logEvent);
-        }
+            lock (_stateLock)
+            {
+                if (_unloading)
+                    return;
 
-        /// <inheritdoc/>
-        public void Dispose()
-        {
-            CloseAndFlush();
-        }
+                _unloading = true;
+            }
+
+            _timer.Dispose();
 
+            await OnTick().ConfigureAwait(false);
+        }
+#endif
+
         void SetTimer()
         {
             // Note, called under _stateLock

src/Serilog.Sinks.Seq/Sinks/Seq/Http/SeqIngestionApiClient.cs

@@ -36,7 +36,23 @@ public SeqIngestionApiClient(string serverUrl, string? apiKey, HttpMessageHandle
         {
             if (serverUrl == null) throw new ArgumentNullException(nameof(serverUrl));
             _apiKey = apiKey;
-            _httpClient = messageHandler != null ? new HttpClient(messageHandler) : new HttpClient();
+            _httpClient = messageHandler != null
+                    ? new HttpClient(messageHandler)
+                    :
+#if SOCKETS_HTTP_HANDLER_ALWAYS_DEFAULT
+                    new HttpClient(new SocketsHttpHandler
+                    {
+                        // The default value is infinite; this causes problems for long-running processes if DNS changes
+                        // require that the Seq API be accessed at a different IP address. Setting a timeout here puts
+                        // an upper bound on the duration of DNS-related outages, while hopefully incurring only infrequent
+                        // connection reestablishment costs.
+                        PooledConnectionLifetime = TimeSpan.FromMinutes(5)
+                    })
+#else
+                    new HttpClient()
+#endif
+                ;
+
             _httpClient.BaseAddress = new Uri(NormalizeServerBaseAddress(serverUrl));
         }
 

test/Serilog.Sinks.Seq.Tests/Batched/BatchedSeqSinkTests.cs

@@ -22,7 +22,7 @@ public void BatchedSinkDisposesIngestionApi()
 
             Assert.True(api.IsDisposed);
         }
-
+        
         [Fact]
         public async Task EventsAreFormattedIntoPayloads()
         {

test/Serilog.Sinks.Seq.Tests/Durable/PayloadReaderTests.cs

@@ -61,7 +61,7 @@ public void ReadsEventsFromRawBufferFiles()
             Assert.Equal(576 + 3 * (Environment.NewLine.Length - 1), position.NextLineStart);
             Assert.Equal(fn, position.File);
 
-            var data = JsonConvert.DeserializeObject<dynamic>(payload);
+            var data = JsonConvert.DeserializeObject<dynamic>(payload)!;
             var events = data["Events"];
             Assert.NotNull(events);
             Assert.Equal(3, events.Count);

test/Serilog.Sinks.Seq.Tests/Serilog.Sinks.Seq.Tests.csproj

@@ -9,6 +9,15 @@
     <LangVersion>latest</LangVersion>
     <Nullable>enable</Nullable>
   </PropertyGroup>
+
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'netcoreapp3.1' ">
+    <DefineConstants>$(DefineConstants);ASYNC_DISPOSE</DefineConstants>
+  </PropertyGroup>
+
+  <PropertyGroup Condition=" '$(TargetFramework)' == 'net5.0' ">
+    <DefineConstants>$(DefineConstants);ASYNC_DISPOSE</DefineConstants>
+  </PropertyGroup>
+
   <ItemGroup>
     <Content Include="Resources\ThreeBufferedEvents.clef.txt">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
@@ -23,15 +32,18 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.5.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
-    <PackageReference Include="xunit" Version="2.4.1" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.3.1" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="xunit" Version="2.4.2" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net4.8' ">
     <Reference Include="System.Net.Http" />
-    <PackageReference Include="System.Threading.Channels" Version="5.0.0" />
+    <PackageReference Include="System.Threading.Channels" Version="6.0.0" />
   </ItemGroup>
 
 </Project>