Update to match TechEmpower (#1809)

Author: benaadams

src/BenchmarksApps/TechEmpower/PlatformBenchmarks/AsciiString.cs

@@ -1,15 +1,17 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
+using System;
+
 namespace PlatformBenchmarks
 {
     public partial class BenchmarkApplication
     {
-        private readonly static AsciiString _plaintextPreamble =
-            _http11OK +
-            _headerServer + _crlf +
-            _headerContentTypeText + _crlf +
-            _headerContentLength + _plainTextBody.Length.ToString();
+        private static ReadOnlySpan<byte> _plaintextPreamble =>
+            "HTTP/1.1 200 OK\r\n"u8 +
+            "Server: K\r\n"u8 +
+            "Content-Type: text/plain\r\n"u8 +
+            "Content-Length: 13"u8;
 
         private static void PlainText(ref BufferWriter<WriterAdapter> writer)
         {

src/BenchmarksApps/TechEmpower/PlatformBenchmarks/BenchmarkApplication.Plaintext.cs

@@ -14,28 +14,29 @@
 
 namespace PlatformBenchmarks
 {
-    public partial class BenchmarkApplication
+    public sealed partial class BenchmarkApplication
     {
-        private readonly static AsciiString _applicationName = "Kestrel Platform-Level Application";
-        public static AsciiString ApplicationName => _applicationName;
-
-        private readonly static AsciiString _crlf = "\r\n";
-        private readonly static AsciiString _http11OK = "HTTP/1.1 200 OK\r\n";
-        private readonly static AsciiString _http11NotFound = "HTTP/1.1 404 Not Found\r\n";
-        private readonly static AsciiString _headerServer = "Server: K";
-        private readonly static AsciiString _headerContentLength = "Content-Length: ";
-        private readonly static AsciiString _headerContentLengthZero = "Content-Length: 0";
-        private readonly static AsciiString _headerContentTypeText = "Content-Type: text/plain";
-        private readonly static AsciiString _headerContentTypeJson = "Content-Type: application/json";
-
-        private readonly static AsciiString _dbPreamble =
-            _http11OK +
-            _headerServer + _crlf +
-            _headerContentTypeJson + _crlf +
-            _headerContentLength;
-
-        private readonly static AsciiString _plainTextBody = "Hello, World!";
-        private readonly static AsciiString _contentLengthGap = new string(' ', 4);
+        public static ReadOnlySpan<byte> ApplicationName => "Kestrel Platform-Level Application"u8;
+
+        private static ReadOnlySpan<byte> _crlf => "\r\n"u8;
+        private static ReadOnlySpan<byte> _eoh => "\r\n\r\n"u8; // End Of Headers
+        private static ReadOnlySpan<byte> _http11OK => "HTTP/1.1 200 OK\r\n"u8;
+        private static ReadOnlySpan<byte> _http11NotFound => "HTTP/1.1 404 Not Found\r\n"u8;
+        private static ReadOnlySpan<byte> _headerServer => "Server: K"u8;
+        private static ReadOnlySpan<byte> _headerContentLength => "Content-Length: "u8;
+        private static ReadOnlySpan<byte> _headerContentLengthZero => "Content-Length: 0"u8;
+        private static ReadOnlySpan<byte> _headerContentTypeText => "Content-Type: text/plain"u8;
+        private static ReadOnlySpan<byte> _headerContentTypeJson => "Content-Type: application/json"u8;
+        private static ReadOnlySpan<byte> _headerContentTypeHtml => "Content-Type: text/html; charset=UTF-8"u8;
+
+        private static ReadOnlySpan<byte> _dbPreamble => 
+            "HTTP/1.1 200 OK\r\n"u8 +
+            "Server: K\r\n"u8 +
+            "Content-Type: application/json\r\n"u8 +
+            "Content-Length: "u8;
+
+        private static ReadOnlySpan<byte> _plainTextBody => "Hello, World!"u8;
+        private static ReadOnlySpan<byte> _contentLengthGap => "    "u8;
 
         public static RawDb RawDb { get; set; }
         public static DapperDb DapperDb { get; set; }
@@ -74,15 +75,15 @@ private partial class JsonContext : JsonSerializerContext
 
         public static class Paths
         {
-            public readonly static AsciiString Json = "/json";
-            public readonly static AsciiString Plaintext = "/plaintext";
-            public readonly static AsciiString SingleQuery = "/db";
-            public readonly static AsciiString FortunesRaw = "/fortunes";
-            public readonly static AsciiString FortunesDapper = "/fortunes/dapper";
-            public readonly static AsciiString FortunesEf = "/fortunes/ef";
-            public readonly static AsciiString Updates = "/updates/";
-            public readonly static AsciiString MultipleQueries = "/queries/";
-            public readonly static AsciiString Caching = "/cached-worlds/";
+            public static ReadOnlySpan<byte> Json => "/json"u8;
+            public static ReadOnlySpan<byte> Plaintext => "/plaintext"u8;
+            public static ReadOnlySpan<byte> SingleQuery => "/db"u8;
+            public static ReadOnlySpan<byte> FortunesRaw => "/fortunes"u8;
+            public static ReadOnlySpan<byte> FortunesDapper => "/fortunes/dapper"u8;
+            public static ReadOnlySpan<byte> FortunesEf => "/fortunes/ef"u8;
+            public static ReadOnlySpan<byte> Updates => "/updates/"u8;
+            public static ReadOnlySpan<byte> MultipleQueries => "/queries/"u8;
+            public static ReadOnlySpan<byte> Caching => "/cached-worlds/"u8;
         }
 
         private RequestType _requestType;
@@ -191,11 +192,11 @@ private static Task Default(PipeWriter pipeWriter)
             return Task.CompletedTask;
         }
 #endif
-        private readonly static AsciiString _defaultPreamble =
-            _http11NotFound +
-            _headerServer + _crlf +
-            _headerContentTypeText + _crlf +
-            _headerContentLengthZero;
+        private static ReadOnlySpan<byte> _defaultPreamble =>
+            "HTTP/1.1 200 OK\r\n"u8 +
+            "Server: K"u8 + "\r\n"u8 +
+            "Content-Type: text/plain"u8 +
+            "Content-Length: 0"u8;
 
         private static void Default(ref BufferWriter<WriterAdapter> writer)
         {

src/BenchmarksApps/TechEmpower/PlatformBenchmarks/BenchmarkApplication.cs

@@ -3,7 +3,7 @@
 
 namespace PlatformBenchmarks
 {
-    public class AppSettings
+    public sealed class AppSettings
     {
         public string ConnectionString { get; set; }
 

src/BenchmarksApps/TechEmpower/PlatformBenchmarks/Configuration/AppSettings.cs

@@ -6,7 +6,7 @@
 
 namespace PlatformBenchmarks
 {
-    internal class BatchUpdateString
+    internal sealed class BatchUpdateString
     {
         private const int MaxBatch = 500;
 

src/BenchmarksApps/TechEmpower/PlatformBenchmarks/Data/BatchUpdateString.cs

@@ -6,7 +6,7 @@
 
 namespace PlatformBenchmarks
 {
-    public class DapperDb
+    public sealed class DapperDb
     {
         private readonly string _connectionString;
 

src/BenchmarksApps/TechEmpower/PlatformBenchmarks/Data/DapperDb.cs

@@ -7,7 +7,7 @@
 
 namespace PlatformBenchmarks
 {
-    public class EfDb
+    public sealed class EfDb
     {
         private static PooledDbContextFactory<ApplicationDbContext> _dbContextFactory;
 

src/BenchmarksApps/TechEmpower/PlatformBenchmarks/Data/EfDb.cs

@@ -6,7 +6,7 @@
 namespace PlatformBenchmarks
 {
     [Table("fortune")]
-    public class FortuneEf : IComparable<FortuneEf>, IComparable
+    public sealed class FortuneEf : IComparable<FortuneEf>, IComparable
     {
         [Column("id")]
         public int Id { get; set; }

src/BenchmarksApps/TechEmpower/PlatformBenchmarks/Data/FortuneEf.cs

@@ -7,7 +7,7 @@
 
 namespace PlatformBenchmarks
 {
-    public class ConcurrentRandom
+    public sealed class ConcurrentRandom
     {
         private static int nextSeed = 0;
 

src/BenchmarksApps/TechEmpower/PlatformBenchmarks/Data/Random.cs

@@ -13,7 +13,7 @@
 
 namespace PlatformBenchmarks
 {
-    public class RawDb
+    public sealed class RawDb
     {
         private readonly ConcurrentRandom _random;
         private readonly MemoryCache _cache