Small irc parsing performance improvements

MiniTwitch.Irc.Benchmarks/Benchmarks.cs

@@ -0,0 +1,53 @@
+using System.Text;
+using BenchmarkDotNet.Attributes;
+using MiniTwitch.Irc.Internal.Models;
+
+namespace MiniTwitch.Irc.Benchmarks;
+
+[MemoryDiagnoser(false)]
+public class Benchmarks
+{
+    private byte[][] utf8Lines = null!;
+    private readonly IrcClient _client = new(op => op.Anonymous = true);
+
+    [Params(1, 100, 1000)]
+    public int LineCount { get; set; }
+
+    [GlobalSetup]
+    public void AddData()
+    {
+        utf8Lines = File.ReadAllText("data.txt").Split('\0').Take(LineCount).Select(Encoding.UTF8.GetBytes).ToArray();
+        Console.WriteLine(utf8Lines.Length);
+    }
+
+    [Benchmark]
+    public void Create()
+    {
+        foreach (var line in utf8Lines.AsSpan())
+        {
+            _ = new IrcMessage(line);
+        }
+    }
+
+    [Benchmark]
+    public void Create_Parse()
+    {
+        foreach (var line in utf8Lines.AsSpan())
+        {
+            var msg = new IrcMessage(line);
+            _ = msg.ParseTags();
+            _ = msg.GetChannel();
+            _ = msg.GetContent();
+            _ = msg.GetUsername();
+        }
+    }
+
+    [Benchmark]
+    public void Create_Parse_Map_Send()
+    {
+        foreach (var line in utf8Lines.AsSpan())
+        {
+            _client.Parse(line);
+        }
+    }
+}

MiniTwitch.Irc.Benchmarks/MiniTwitch.Irc.Benchmarks.csproj

@@ -0,0 +1,22 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net7.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="BenchmarkDotNet" Version="0.13.9" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\MiniTwitch.Irc\MiniTwitch.Irc.csproj" />
+  </ItemGroup>
+
+	<ItemGroup>
+		<Content Include="data.txt" CopyToOutputDirectory="Always" />
+	</ItemGroup>
+
+</Project>

MiniTwitch.Irc.Benchmarks/Program.cs

@@ -0,0 +1,4 @@
+using BenchmarkDotNet.Running;
+using MiniTwitch.Irc.Benchmarks;
+
+BenchmarkRunner.Run<Benchmarks>();

MiniTwitch.Irc.Test/CommandParsingTests.cs

@@ -1,5 +1,6 @@
 using System.Text;
 using MiniTwitch.Irc.Internal.Enums;
+using MiniTwitch.Irc.Internal.Models;
 using MiniTwitch.Irc.Internal.Parsing;
 using Xunit;
 
@@ -10,78 +11,67 @@ public class CommandParsingTests
     public void Parse_PRIVMSG()
     {
         string raw = "@badge-info=subscriber/42;badges=subscriber/42,glhf-pledge/1;color=#F97304;display-name=zneix;emotes=;first-msg=0;flags=;id=ffc033d5-862c-413c-8422-72a59aa1b0f1;mod=0;returning-chatter=0;room-id=11148817;subscriber=1;tmi-sent-ts=1678752306574;turbo=0;user-id=99631238;user-type= :[email protected] PRIVMSG #pajlada :btw DFantasy, have you gotten an unused Dragon Hunter Crossbow just laying around by any chance? kkOna";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        Assert.Equal(IrcCommand.PRIVMSG, IrcParsing.ParseCommand(span).cmd);
+        Assert.Equal(IrcCommand.PRIVMSG, new IrcMessage(Encoding.UTF8.GetBytes(raw)).Command);
     }
     [Fact]
     public void Parse_USERNOTICE()
     {
         string raw = "@badge-info=subscriber/15;badges=subscriber/12;color=#BAFF2F;display-name=VOJTERIS;emotes=;flags=;id=267bffe6-534c-4ddc-a11c-d32b242d8734;login=vojteris;mod=0;msg-id=resub;msg-param-cumulative-months=15;msg-param-months=0;msg-param-multimonth-duration=0;msg-param-multimonth-tenure=0;msg-param-should-share-streak=0;msg-param-sub-plan-name=look\\sat\\sthose\\sshitty\\semotes,\\srip\\s$5\\sLUL;msg-param-sub-plan=1000;msg-param-was-gifted=false;room-id=11148817;subscriber=1;system-msg=VOJTERIS\\ssubscribed\\sat\\sTier\\s1.\\sThey've\\ssubscribed\\sfor\\s15\\smonths!;tmi-sent-ts=1678743959736;user-id=75436142;user-type= :tmi.twitch.tv USERNOTICE #pajlada :egFors TeaTime";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        Assert.Equal(IrcCommand.USERNOTICE, IrcParsing.ParseCommand(span).cmd);
+        Assert.Equal(IrcCommand.USERNOTICE, new IrcMessage(Encoding.UTF8.GetBytes(raw)).Command);
     }
     [Fact]
     public void Parse_CLEARCHAT()
     {
         string raw = "@ban-duration=30;room-id=11148817;target-user-id=783267696;tmi-sent-ts=1678712873805 :tmi.twitch.tv CLEARCHAT #pajlada :occluder";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        Assert.Equal(IrcCommand.CLEARCHAT, IrcParsing.ParseCommand(span).cmd);
+        Assert.Equal(IrcCommand.CLEARCHAT, new IrcMessage(Encoding.UTF8.GetBytes(raw)).Command);
     }
     [Fact]
     public void Parse_WHISPER()
     {
         string raw = "@badges=;color=#2E8B57;display-name=pajbot;emotes=25:7-11;message-id=7;thread-id=82008718_783267696;turbo=0;user-id=82008718;user-type= :[email protected] WHISPER occluder :Riftey Kappa";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        Assert.Equal(IrcCommand.WHISPER, IrcParsing.ParseCommand(span).cmd);
+        Assert.Equal(IrcCommand.WHISPER, new IrcMessage(Encoding.UTF8.GetBytes(raw)).Command);
     }
     [Fact]
     public void Parse_ROOMSTATE()
     {
         string raw = "@emote-only=0;followers-only=-1;r9k=0;room-id=783267696;slow=0;subs-only=0 :tmi.twitch.tv ROOMSTATE #occluder";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        Assert.Equal(IrcCommand.ROOMSTATE, IrcParsing.ParseCommand(span).cmd);
+        Assert.Equal(IrcCommand.ROOMSTATE, new IrcMessage(Encoding.UTF8.GetBytes(raw)).Command);
     }
     [Fact]
     public void Parse_NOTICE()
     {
         string raw = "@msg-id=msg_channel_suspended :tmi.twitch.tv NOTICE #foretack :This channel does not exist or has been suspended.";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        Assert.Equal(IrcCommand.NOTICE, IrcParsing.ParseCommand(span).cmd);
+        Assert.Equal(IrcCommand.NOTICE, new IrcMessage(Encoding.UTF8.GetBytes(raw)).Command);
     }
     [Fact]
     public void Parse_CLEARMSG()
     {
         string raw = "@login=occluder;room-id=;target-msg-id=55dc74c9-a6b2-4443-9b68-3446a5ddb7ed;tmi-sent-ts=1678798254260 :tmi.twitch.tv CLEARMSG #occluder :@emote-only=0;followers-only=-1;r9k=0;room-id=783267696;slow=0;subs-only=0 :tmi.twitch.tv ROOMSTATE #occluder ";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        Assert.Equal(IrcCommand.CLEARMSG, IrcParsing.ParseCommand(span).cmd);
+        Assert.Equal(IrcCommand.CLEARMSG, new IrcMessage(Encoding.UTF8.GetBytes(raw)).Command);
     }
     [Fact]
     public void Parse_USERSTATE()
     {
         string raw = "@badge-info=;badges=broadcaster/1;color=#F2647B;display-name=occluder;emote-sets=0,4236,15961,19194,376284588,385292559,477339272,5fc5e142-d394-481f-a561-5406c2ba3ef0,e21484e8-cf11-48b1-8b67-c180fa39f926;mod=0;subscriber=0;user-type= :tmi.twitch.tv USERSTATE #occluder";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        Assert.Equal(IrcCommand.USERSTATE, IrcParsing.ParseCommand(span).cmd);
+        Assert.Equal(IrcCommand.USERSTATE, new IrcMessage(Encoding.UTF8.GetBytes(raw)).Command);
     }
     [Fact]
     public void Parse_RECONNECT()
     {
         string raw = ":tmi.twitch.tv RECONNECT";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        Assert.Equal(IrcCommand.RECONNECT, IrcParsing.ParseCommand(span).cmd);
+        Assert.Equal(IrcCommand.RECONNECT, new IrcMessage(Encoding.UTF8.GetBytes(raw)).Command);
     }
     [Fact]
     public void Parse_PING()
     {
         string raw = "PING :tmi.twitch.tv";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        Assert.Equal(IrcCommand.PING, IrcParsing.ParseCommand(span).cmd);
+        Assert.Equal(IrcCommand.PING, new IrcMessage(Encoding.UTF8.GetBytes(raw)).Command);
     }
     [Fact]
     public void Parse_PONG()
     {
         string raw = "PONG :tmi.twitch.tv";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        Assert.Equal(IrcCommand.PONG, IrcParsing.ParseCommand(span).cmd);
+        Assert.Equal(IrcCommand.PONG, new IrcMessage(Encoding.UTF8.GetBytes(raw)).Command);
     }
     [Fact]
     public void Parse_Multiple()

MiniTwitch.Irc.Test/IrcParsingTests.cs

@@ -1,4 +1,5 @@
 using System.Text;
+using MiniTwitch.Irc.Internal.Models;
 using MiniTwitch.Irc.Internal.Parsing;
 using Xunit;
 
@@ -9,18 +10,7 @@ public class IrcParsingTests
     public void Find_Channel()
     {
         string raw = ":[email protected] JOIN #bar";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        string channel = IrcParsing.FindChannel(span);
-
-        Assert.Equal("bar", channel);
-    }
-
-    [Fact]
-    public void Find_Channel_AnySeparator()
-    {
-        string raw = ":[email protected] JOIN #bar\r\n";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        string channel = IrcParsing.FindChannel(span, true);
+        string channel = new IrcMessage(Encoding.UTF8.GetBytes(raw)).GetChannel();
 
         Assert.Equal("bar", channel);
     }
@@ -29,8 +19,7 @@ public void Find_Channel_AnySeparator()
     public void Find_Content()
     {
         string raw = "@badge-info=subscriber/11;badges=subscriber/6;color=#F2647B;display-name=occluder;emotes=;first-msg=0;flags=;id=e674e393-1230-4a89-bebc-fae1f925e52c;mod=0;returning-chatter=0;room-id=11148817;subscriber=1;tmi-sent-ts=1680255594264;turbo=0;user-id=783267696;user-type= :[email protected] PRIVMSG #pajlada :Are you on some dank browser jammehcow";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        string content = IrcParsing.FindContent(span).Content;
+        string content = new IrcMessage(Encoding.UTF8.GetBytes(raw)).GetContent().Content;
 
         Assert.Equal("Are you on some dank browser jammehcow", content);
     }
@@ -39,8 +28,7 @@ public void Find_Content()
     public void Find_Content_Empty()
     {
         string raw = "@badge-info=subscriber/5;badges=subscriber/3;color=#5F9EA0;display-name=Syn993;emotes=;flags=;id=401d17b8-363a-4f63-85c8-cd5996fbd4e0;login=syn993;mod=0;msg-id=resub;msg-param-cumulative-months=5;msg-param-months=0;msg-param-multimonth-duration=0;msg-param-multimonth-tenure=0;msg-param-should-share-streak=1;msg-param-streak-months=4;msg-param-sub-plan-name=Channel\\sSubscription\\s(mandeow);msg-param-sub-plan=1000;msg-param-was-gifted=false;room-id=128856353;subscriber=1;system-msg=Syn993\\ssubscribed\\sat\\sTier\\s1.\\sThey've\\ssubscribed\\sfor\\s5\\smonths,\\scurrently\\son\\sa\\s4\\smonth\\sstreak!;tmi-sent-ts=1678873100296;user-id=79085174;user-type= :tmi.twitch.tv USERNOTICE #mande";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        string content = IrcParsing.FindContent(span, maybeEmpty: true).Content;
+        string content = new IrcMessage(Encoding.UTF8.GetBytes(raw)).GetContent().Content;
 
         Assert.Equal(string.Empty, content);
     }
@@ -49,19 +37,16 @@ public void Find_Content_Empty()
     public void Find_Content_Action()
     {
         string raw = "@badge-info=subscriber/1;badges=subscriber/0;color=#9ACD32;display-name=FeelsCzechMan;emotes=425671:13-20;first-msg=0;flags=;id=0012619e-8e14-4d51-93c9-e9d6fd5a178b;mod=0;returning-chatter=0;room-id=11148817;subscriber=1;tmi-sent-ts=1679730451594;turbo=0;user-id=875745889;user-type= :[email protected] PRIVMSG #pajlada :\u0001ACTION FeelsDankMan PowerUpR DANK WAVE▂▃▄▅▆▇██▇▆▅▄▃▂▂▃▄▅▆▇██▇▆▅▄▃▂▂▃▄▅▆▇██▇▆▅▄▃▂▂▃▄▅▆▇██▇▆▅▄▃▂▂▃▄▅▆▇██▇▆▅▄▃▂\u0001";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        (string content, bool action) = IrcParsing.FindContent(span, maybeAction: true);
-
-        Assert.True(action);
+        (string content, bool action) = new IrcMessage(Encoding.UTF8.GetBytes(raw)).GetContent(maybeAction: true);
         Assert.Equal("FeelsDankMan PowerUpR DANK WAVE▂▃▄▅▆▇██▇▆▅▄▃▂▂▃▄▅▆▇██▇▆▅▄▃▂▂▃▄▅▆▇██▇▆▅▄▃▂▂▃▄▅▆▇██▇▆▅▄▃▂▂▃▄▅▆▇██▇▆▅▄▃▂", content);
+        Assert.True(action);
     }
 
     [Fact]
     public void Find_Content_InvalidAction()
     {
         string raw = "@badge-info=subscriber/1;badges=subscriber/0;color=#9ACD32;display-name=FeelsCzechMan;emotes=425671:13-20;first-msg=0;flags=;id=0012619e-8e14-4d51-93c9-e9d6fd5a178b;mod=0;returning-chatter=0;room-id=11148817;subscriber=1;tmi-sent-ts=1679730451594;turbo=0;user-id=875745889;user-type= :[email protected] PRIVMSG #pajlada :\u0001ACTION \u0001";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        (string content, bool action) = IrcParsing.FindContent(span, maybeAction: true);
+        (string content, bool action) = new IrcMessage(Encoding.UTF8.GetBytes(raw)).GetContent();
 
         Assert.False(action);
         Assert.Equal("\u0001ACTION \u0001", content);
@@ -71,8 +56,7 @@ public void Find_Content_InvalidAction()
     public void Find_Username()
     {
         string raw = "@badge-info=subscriber/1;badges=subscriber/0;color=#9ACD32;display-name=FeelsCzechMan;emotes=425671:13-20;first-msg=0;flags=;id=0012619e-8e14-4d51-93c9-e9d6fd5a178b;mod=0;returning-chatter=0;room-id=11148817;subscriber=1;tmi-sent-ts=1679730451594;turbo=0;user-id=875745889;user-type= :[email protected] PRIVMSG #pajlada :\u0001ACTION FeelsDankMan PowerUpR DANK WAVE▂▃▄▅▆▇██▇▆▅▄▃▂▂▃▄▅▆▇██▇▆▅▄▃▂▂▃▄▅▆▇██▇▆▅▄▃▂▂▃▄▅▆▇██▇▆▅▄▃▂▂▃▄▅▆▇██▇▆▅▄▃▂\u0001";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        string username = IrcParsing.FindUsername(span);
+        string username = new IrcMessage(Encoding.UTF8.GetBytes(raw)).GetUsername();
 
         Assert.Equal("feelsczechman", username);
     }
@@ -81,8 +65,7 @@ public void Find_Username()
     public void Find_Username_NoTags()
     {
         string raw = ":[email protected] JOIN #bar";
-        ReadOnlySpan<byte> span = Encoding.UTF8.GetBytes(raw).AsSpan();
-        string username = IrcParsing.FindUsername(span, true);
+        string username = new IrcMessage(Encoding.UTF8.GetBytes(raw)).GetUsername();
 
         Assert.Equal("pajapajapaja", username);
     }

MiniTwitch.Irc/AssemblyInfo.cs

@@ -1,3 +1,4 @@
 using System.Runtime.CompilerServices;
 
 [assembly: InternalsVisibleTo("MiniTwitch.Irc.Test")]
+[assembly: InternalsVisibleTo("MiniTwitch.Irc.Benchmarks")]

MiniTwitch.Irc/Internal/Enums/Tags.cs

@@ -0,0 +1,66 @@
+namespace MiniTwitch.Irc.Internal.Enums;
+
+internal enum Tags
+{
+    Id = 205,
+    R9K = 278,
+    Mod = 320,
+    Vip = 335,
+    Bits = 434,
+    Slow = 453,
+    Flags = 525,
+    Login = 537,
+    Color = 543,
+    Turbo = 556,
+    MsgId = 577,
+    Badges = 614,
+    Emotes = 653,
+    RoomId = 695,
+    UserId = 697,
+    ThreadId = 882,
+    FirstMsg = 924,
+    SubsOnly = 940,
+    UserType = 942,
+    BadgeInfo = 972,
+    MessageId = 991,
+    EmoteSets = 1030,
+    EmoteOnly = 1033,
+    SystemMsg = 1049,
+    Subscriber = 1076,
+    TmiSentTs = 1093,
+    ClientNonce = 1215,
+    BanDuration = 1220,
+    DisplayName = 1220,
+    TargetMsgId = 1269,
+    TargetUserId = 1389,
+    FollowersOnly = 1484,
+    MsgParamColor = 1489,
+    MsgParamMonths = 1611,
+    MsgParamSubPlan = 1748,
+    ReturningChatter = 1782,
+    ReplyParentMsgId = 1873,
+    ReplyParentUserId = 1993,
+    MsgParamSenderName = 2049,
+    MsgParamGiftMonths = 2082,
+    ReplyParentMsgBody = 2098,
+    MsgParamViewerCount = 2125,
+    PinnedChatPaidLevel = 2139,
+    MsgParamRecipientId = 2159,
+    MsgParamSenderLogin = 2169,
+    MsgParamSenderCount = 2185,
+    MsgParamSubPlanName = 2210,
+    PinnedChatPaidAmount = 2263,
+    MsgParamStreakMonths = 2306,
+    ReplyParentUserLogin = 2325,
+    MsgParamMassGiftCount = 2451,
+    PinnedChatPaidCurrency = 2478,
+    PinnedChatPaidExponent = 2484,
+    ReplyParentDisplayName = 2516,
+    ReplyThreadParentMsgId = 2550,
+    MsgParamCumulativeMonths = 2743,
+    MsgParamRecipientUserName = 2863,
+    MsgParamShouldShareStreak = 2872,
+    ReplyThreadParentUserLogin = 3002,
+    MsgparamRecipientDisplayName = 3174,
+    PinnedChatPaidIsSystemMessage = 3331,
+}