Merge pull request #34 from evilpilaf/new-batching

Use new batching approach

src/Honeycomb.Serilog.Sink/Honeycomb.Serilog.Sink.csproj

@@ -10,6 +10,7 @@
     <Copyright>evilpilaf © $([System.DateTime]::Now.Year)</Copyright>
     <PackageRequireLicenseAcceptance>true</PackageRequireLicenseAcceptance>
     <PackageLicenseFile>LICENSE.TXT</PackageLicenseFile>
+    <LangVersion>latest</LangVersion>
   </PropertyGroup>
 
   <!-- SourceLink -->
@@ -49,7 +50,7 @@
     </PackageReference>
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="Serilog" Version="2.9.0" />
-    <PackageReference Include="Serilog.Sinks.PeriodicBatching" Version="2.2.0" />
+    <PackageReference Include="Serilog.Sinks.PeriodicBatching" Version="2.3.0" />
   </ItemGroup>
 
   <ItemGroup Condition=" '$(TargetFramework)' == 'net461' OR '$(TargetFramework)' == 'net462' OR '$(TargetFramework)' == 'net47'  OR '$(TargetFramework)' == 'net471' OR '$(TargetFramework)' == 'net472' OR '$(TargetFramework)' == 'net48' ">

src/Honeycomb.Serilog.Sink/HoneycombSerilogSink.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.IO;
 using System.Net.Http;
@@ -13,73 +13,74 @@
 
 namespace Honeycomb.Serilog.Sink
 {
-    internal class HoneycombSerilogSink : PeriodicBatchingSink
+    internal class HoneycombSerilogSink : IBatchedLogEventSink, IDisposable
     {
 #if NETCOREAPP
-        private static readonly SocketsHttpHandler _socketsHttpHandler = new SocketsHttpHandler { PooledConnectionLifetime = TimeSpan.FromMinutes(30) };
+        private static SocketsHttpHandler _socketsHttpHandler;
+
+        private static SocketsHttpHandler SocketsHttpHandler
+        {
+            get
+            {
+                return _socketsHttpHandler ??= new SocketsHttpHandler { PooledConnectionLifetime = TimeSpan.FromMinutes(30) };
+            }
+        }
+
         protected virtual HttpClient Client => BuildHttpClient();
 #else
         private static readonly Lazy<HttpClient> _clientBuilder = new Lazy<HttpClient>(BuildHttpClient);
         protected virtual HttpClient Client => _clientBuilder.Value;
 #endif
-        private static readonly Uri _honeycombApiUrl = new Uri("https://api.honeycomb.io/");
-
         private readonly string _apiKey;
-
         private readonly string _teamId;
+        private static readonly Uri _honeycombApiUrl = new Uri(HoneycombBaseUri);
+
+        private const string JsonContentType = "application/json";
+        private const string HoneycombBaseUri = "https://api.honeycomb.io/";
+        private const string HoneycombBatchEndpointTemplate = "/1/batch/{0}";
+        private const string HoneycombTeamIdHeaderName = "X-Honeycomb-Team";
+
+        private const string SelfLogMessageText = "Failure sending event to Honeycomb, received {statusCode} response with content {content}";
 
         /// <param name="teamId">The name of the team to submit the events to</param>
         /// <param name="apiKey">The API key given in the Honeycomb ui</param>
-        /// <param name="batchSizeLimit">The maximum number of events to include in a single batch.</param>
-        /// <param name="period">The time to wait between checking for event batches.</param>
-        public HoneycombSerilogSink(
-            string teamId,
-            string apiKey,
-            int batchSizeLimit,
-            TimeSpan period)
-             : base(batchSizeLimit, period)
+        public HoneycombSerilogSink(string teamId, string apiKey)
         {
             _teamId = string.IsNullOrWhiteSpace(teamId) ? throw new ArgumentNullException(nameof(teamId)) : teamId;
             _apiKey = string.IsNullOrWhiteSpace(apiKey) ? throw new ArgumentNullException(nameof(apiKey)) : apiKey;
         }
 
-        protected override async Task EmitBatchAsync(IEnumerable<LogEvent> events)
+        public async Task EmitBatchAsync(IEnumerable<LogEvent> events)
         {
-            using (TextWriter writer = new StringWriter())
-            {
-                BuildLogEvent(events, writer);
-                await SendBatchedEvents(writer.ToString());
-            }
+            using TextWriter writer = new StringWriter();
+            BuildLogEvent(events, writer);
+            await SendBatchedEvents(writer.ToString()).ConfigureAwait(false);
         }
 
         private async Task SendBatchedEvents(string events)
         {
-            var requestMessage = new HttpRequestMessage(HttpMethod.Post, $"/1/batch/{_teamId}")
+            using var requestMessage = new HttpRequestMessage(HttpMethod.Post, string.Format(HoneycombBatchEndpointTemplate, _teamId))
             {
-                Content = new StringContent(events, Encoding.UTF8, "application/json"),
+                Content = new StringContent(events, Encoding.UTF8, JsonContentType),
                 Version = new Version(2, 0)
             };
 
-            requestMessage.Headers.Add("X-Honeycomb-Team", _apiKey);
+            requestMessage.Headers.Add(HoneycombTeamIdHeaderName, _apiKey);
             var response = await SendRequest(requestMessage).ConfigureAwait(false);
             if (!response.IsSuccessStatusCode)
             {
-                using (Stream contentStream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false))
-                using (var reader = new StreamReader(contentStream))
-                {
-                    var responseContent = await reader.ReadToEndAsync().ConfigureAwait(false);
-                    SelfLog.WriteLine("Failure sending event to Honeycomb, received {statusCode} response with content {content}", response.StatusCode, responseContent);
-                }
+                using Stream contentStream = await response.Content.ReadAsStreamAsync().ConfigureAwait(false);
+                using var reader = new StreamReader(contentStream);
+                var responseContent = await reader.ReadToEndAsync().ConfigureAwait(false);
+                SelfLog.WriteLine(SelfLogMessageText, response.StatusCode, responseContent);
             }
         }
 
         private async Task<HttpResponseMessage> SendRequest(HttpRequestMessage request)
         {
 #if NETCOREAPP
-            using (var client = Client)
-            {
-                return await client.SendAsync(request, HttpCompletionOption.ResponseHeadersRead);
-            }
+            using var client = Client;
+            return await client.SendAsync(request, HttpCompletionOption.ResponseHeadersRead);
 #else
             return await Client.SendAsync(request, HttpCompletionOption.ResponseHeadersRead);
 #endif
@@ -102,13 +103,37 @@ private static HttpClient BuildHttpClient()
         {
             HttpClient client;
 #if NETCOREAPP
-            client = new HttpClient(_socketsHttpHandler, disposeHandler: false);
+            client = new HttpClient(SocketsHttpHandler, disposeHandler: false);
 #else
             client = new HttpClient();
 #endif
             client.BaseAddress = _honeycombApiUrl;
 
             return client;
         }
+
+        public Task OnEmptyBatchAsync()
+        {
+            return Task.CompletedTask;
+        }
+
+        private void ReleaseUnmanagedResources()
+        {
+#if NETCORE
+            _socketsHttpHandler?.Dispose();
+            _socketsHttpHandler = null;
+#endif
+        }
+
+        public void Dispose()
+        {
+            ReleaseUnmanagedResources();
+            GC.SuppressFinalize(this);
+        }
+
+        ~HoneycombSerilogSink()
+        {
+            ReleaseUnmanagedResources();
+        }
     }
 }

src/Honeycomb.Serilog.Sink/HoneycombSinkExtensions.cs

@@ -1,12 +1,14 @@
-using System;
+using System;
 
 using Serilog;
 using Serilog.Configuration;
+using Serilog.Sinks.PeriodicBatching;
 
 namespace Honeycomb.Serilog.Sink
 {
     public static class HoneycombSinkExtensions
     {
+        /// <param name="loggerConfiguration"></param>
         /// <param name="teamId">The name of the team to submit the events to</param>
         /// <param name="apiKey">The API key given in the Honeycomb ui</param>
         /// <param name="batchSizeLimit">The maximum number of events to include in a single batch.</param>
@@ -17,7 +19,25 @@ public static LoggerConfiguration HoneycombSink(this LoggerSinkConfiguration log
                                                         int batchSizeLimit,
                                                         TimeSpan period)
         {
-            return loggerConfiguration.Sink(new HoneycombSerilogSink(teamId, apiKey, batchSizeLimit, period));
+            var batchingOptions = new PeriodicBatchingSinkOptions
+            {
+                BatchSizeLimit = batchSizeLimit,
+                Period = period
+            };
+
+            return loggerConfiguration.HoneycombSink(teamId, apiKey, batchingOptions);
+        }
+
+        public static LoggerConfiguration HoneycombSink(this LoggerSinkConfiguration loggerConfiguration,
+                                                        string teamId,
+                                                        string apiKey,
+                                                        PeriodicBatchingSinkOptions batchingOptions = default)
+        {
+            var honeycombSink = new HoneycombSerilogSink(teamId, apiKey);
+
+            var batchingSink = new PeriodicBatchingSink(honeycombSink, batchingOptions ?? new PeriodicBatchingSinkOptions());
+
+            return loggerConfiguration.Sink(batchingSink);
         }
     }
 }

test/Honeycomb.Serilog.Sink.Tests/HoneycombSerilogSinkStub.cs

@@ -1,6 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Net.Http;
+using System.Net.Http;
 using System.Threading.Tasks;
 
 using Serilog.Events;
@@ -11,8 +9,8 @@ internal class HoneycombSerilogSinkStub : HoneycombSerilogSink
     {
         private readonly HttpClient _client;
 
-        public HoneycombSerilogSinkStub(HttpClient client, string teamId, string apiKey, int batchSizeLimit, TimeSpan period)
-            : base(teamId, apiKey, batchSizeLimit, period)
+        public HoneycombSerilogSinkStub(HttpClient client, string teamId, string apiKey)
+            : base(teamId, apiKey)
         {
             _client = client;
         }

test/Honeycomb.Serilog.Sink.Tests/HoneycombSerilogSinkTests.cs

@@ -12,6 +12,7 @@
 
 using Serilog.Events;
 using Serilog.Parsing;
+using Serilog.Sinks.PeriodicBatching;
 
 using Xunit;
 
@@ -187,7 +188,7 @@ public async Task Emit_GivenAMessageWithProperties_SendsThemAllAsync()
 
         private HoneycombSerilogSinkStub CreateSut(string teamId, string apiKey, HttpClient client = null)
         {
-            return new HoneycombSerilogSinkStub(client, teamId, apiKey, 1, TimeSpan.FromMilliseconds(1));
+            return new HoneycombSerilogSinkStub(client, teamId, apiKey);
         }
     }
 }