Added "origin" to MessageCallbacks, and added LastRoomstate to IrcConnection

TwitchIrcClient/IRC/Callbacks.cs

@@ -11,7 +11,7 @@ namespace TwitchLogger.IRC
     //{
     //    public ReceivedMessage Message = message;
     //}
-    public delegate void MessageCallback(ReceivedMessage message);
+    public delegate void MessageCallback(IrcConnection origin, ReceivedMessage message);
     /// <summary>
     /// Callback to be run for received messages of specific types.
     /// </summary>
@@ -21,11 +21,11 @@ namespace TwitchLogger.IRC
         MessageCallback Callback,
         IReadOnlyList<IrcMessageType>? CallbackTypes)
     {
-        public bool TryCall(ReceivedMessage message)
+        public bool TryCall(IrcConnection origin, ReceivedMessage message)
         {
             if (CallbackTypes?.Contains(message.MessageType) ?? true)
             {
-                Callback(message);
+                Callback(origin, message);
                 return true;
             }
             return false;

TwitchIrcClient/IRC/IrcConnection.cs

@@ -4,6 +4,7 @@ using System.Collections.Generic;
 using System.ComponentModel;
 using System.Linq;
 using System.Linq.Expressions;
+using System.Net.Security;
 using System.Net.Sockets;
 using System.Reflection.Metadata;
 using System.Security.Cryptography;
@@ -11,16 +12,14 @@ using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Timers;
+using TwitchIrcClient.IRC.Messages;
 using TwitchLogger.IRC.Messages;
 
 namespace TwitchLogger.IRC
 {
     /// <summary>
     /// Connects to a single Twitch chat channel via limited IRC implementation.
-    /// 
     /// </summary>
-    /// <param name="url"></param>
-    /// <param name="port"></param>
     public class IrcConnection : IDisposable
     {
         public static readonly string ENDL = "\r\n";
@@ -28,6 +27,16 @@ namespace TwitchLogger.IRC
         public string Url { get; }
         public bool Connected { get; } = false;
         public bool TrackUsers { get; }
+        public bool UsesSsl { get; }
+        private Roomstate? _LastRoomstate;
+        public Roomstate? LastRoomstate
+        { get
+            {
+                if (_LastRoomstate == null)
+                    return null;
+                return new Roomstate(_LastRoomstate);
+            }
+        }
         //this seems to be the only concurrentcollection that allows
         //removing specific items
         protected ConcurrentDictionary<string, byte> UserCollection = new();
@@ -42,7 +51,8 @@ namespace TwitchLogger.IRC
         public event EventHandler<UserChangeEventArgs>? onUserChange;
 
         private TcpClient Client = new();
-        private NetworkStream Stream => Client.GetStream();
+        //private NetworkStream Stream => Client.GetStream();
+        private Stream _Stream;
         private CancellationTokenSource TokenSource = new();
         //it looks like you can't get the Token after the Source is disposed
         protected CancellationToken Token;
@@ -51,44 +61,48 @@ namespace TwitchLogger.IRC
         private Task? UserUpdateTask;
 
         public IrcConnection(string url, int port,
-            RateLimiter? limiter = null, bool trackUsers = false)
+            RateLimiter? limiter = null, bool trackUsers = false, bool useSsl = false)
         {
             Url = url;
             Port = port;
             Limiter = limiter;
             TrackUsers = trackUsers;
+            UsesSsl = useSsl;
             Token = TokenSource.Token;
             if (TrackUsers)
             {
-                AddSystemCallback(new MessageCallbackItem(m =>
+                AddSystemCallback(new MessageCallbackItem((o, m) =>
                 {
                     if (m is NamReply nr)
                         foreach (var u in nr.Users)
-                            UserCollection.TryAdd(u, 0);
+                            o.UserCollection.TryAdd(u, 0);
                     else
                         throw new ArgumentException(null, nameof(m));
                 }, [IrcMessageType.RPL_NAMREPLY]));
-                AddSystemCallback(new MessageCallbackItem(m =>
+                AddSystemCallback(new MessageCallbackItem((o, m) =>
                 {
                     if (m is Join j)
                     {
-                        UserCollection.TryAdd(j.Username, 0);
-                        UserJoin(j);
+                        o.UserCollection.TryAdd(j.Username, 0);
+                        o.UserJoin(j);
                     }
                     else
                         throw new ArgumentException(null, nameof(m));
                 }, [IrcMessageType.JOIN]));
-                AddSystemCallback(new MessageCallbackItem(m =>
+                AddSystemCallback(new MessageCallbackItem((o, m) =>
                 {
                     if (m is Part j)
                     {
-                        UserCollection.TryRemove(j.Username, out _);
-                        UserLeave(j);
+                        o.UserCollection.TryRemove(j.Username, out _);
+                        o.UserLeave(j);
                     }
                     else
                         throw new ArgumentException(null, nameof(m));
                 }, [IrcMessageType.PART]));
             }
+            AddSystemCallback(new MessageCallbackItem(
+                (o, m) => { o._LastRoomstate = new Roomstate(m); },
+                [IrcMessageType.ROOMSTATE]));
         }
 
         public async Task<bool> ConnectAsync()
@@ -99,6 +113,16 @@ namespace TwitchLogger.IRC
             await Client.ConnectAsync(Url, Port);
             if (!Client.Connected)
                 return false;
+            if (UsesSsl)
+            {
+                var stream = new SslStream(Client.GetStream());
+                await stream.AuthenticateAsClientAsync(Url);
+                _Stream = stream;
+            }
+            else
+            {
+                _Stream = Client.GetStream();
+            }
             ListenerTask = Task.Run(ListenForInput, Token);
             UserUpdateTask = Task.Run(UpdateUsers, Token);
             return true;
@@ -112,7 +136,8 @@ namespace TwitchLogger.IRC
             Limiter?.WaitForAvailable(Token);
             if (Token.IsCancellationRequested)
                 return;
-            Stream.Write(new Span<byte>(Encoding.UTF8.GetBytes(line + ENDL)));
+            var bytes = Encoding.UTF8.GetBytes(line + ENDL);
+            _Stream.Write(bytes, 0, bytes.Length);
         }
         public void Authenticate(string? user, string? pass)
         {
@@ -134,17 +159,17 @@ namespace TwitchLogger.IRC
             byte[] buffer = new byte[5 * 1024];
             while (!Token.IsCancellationRequested)
             {
-                var bytesRead = await Stream.ReadAsync(buffer, 0, buffer.Length, Token);
+                var bytesRead = await _Stream.ReadAsync(buffer, Token);
                 if (bytesRead > 0)
                     onDataReceived(buffer, bytesRead);
-                if (!Stream.CanRead)
+                if (!_Stream.CanRead)
                     return;
             }
             Token.ThrowIfCancellationRequested();
         }
 
-        ConcurrentBag<string> _JoinedUsers = [];
-        ConcurrentBag<string> _LeftUsers = [];
+        private readonly ConcurrentBag<string> _JoinedUsers = [];
+        private readonly ConcurrentBag<string> _LeftUsers = [];
         private void UserJoin(Join message)
         {
             _JoinedUsers.Add(message.Username);
@@ -265,8 +290,8 @@ namespace TwitchLogger.IRC
             ArgumentNullException.ThrowIfNull(message, nameof(message));
                 if (disposedValue)
                 return;
-            SystemCallbacks.ForEach(c => c.TryCall(message));
-            UserCallbacks.ForEach(c => c.TryCall(message));
+            SystemCallbacks.ForEach(c => c.TryCall(this, message));
+            UserCallbacks.ForEach(c => c.TryCall(this, message));
         }
 
         #region Dispose

TwitchIrcClient/IRC/Messages/Roomstate.cs

@@ -0,0 +1,96 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Diagnostics;
+using System.Linq;
+using System.Security.Cryptography.X509Certificates;
+using System.Text;
+using System.Threading.Tasks;
+using TwitchLogger.IRC;
+using TwitchLogger.IRC.Messages;
+
+namespace TwitchIrcClient.IRC.Messages
+{
+    public class Roomstate : ReceivedMessage
+    {
+        /// <summary>
+        /// A Boolean value that determines whether the chat room allows only messages with emotes.
+        /// </summary>
+        public bool EmoteOnly
+        { get
+            {
+                var value = TryGetTag("emote-only");
+                if (value == "1")
+                    return true;
+                if (value == "0")
+                    return false;
+                throw new InvalidDataException($"tag \"emote-only\" does not have a proper value: {value}");
+            }
+        }
+        /// <summary>
+        /// An integer value that determines whether only followers can post messages in the chat room.
+        /// The value indicates how long, in minutes, the user must have followed the broadcaster before
+        /// posting chat messages. If the value is -1, the chat room is not restricted to followers only.
+        /// </summary>
+        public int FollowersOnly
+        { get
+            {
+                var value = TryGetTag("followers-only");
+                if (!int.TryParse(value, out int result))
+                    throw new InvalidDataException();
+                return result;
+            }
+        }
+        /// <summary>
+        /// A Boolean value that determines whether a user’s messages must be unique.
+        /// Applies only to messages with more than 9 characters.
+        /// </summary>
+        public bool UniqueMode
+        { get
+            {
+                var value = TryGetTag("r9k");
+                if (value == "1")
+                    return true;
+                if (value == "0")
+                    return false;
+                throw new InvalidDataException($"tag \"r9k\" does not have a proper value: {value}");
+            }
+        }
+        /// <summary>
+        /// An ID that identifies the chat room (channel).
+        /// </summary>
+        public string RoomId => TryGetTag("room-id");
+        /// <summary>
+        /// An integer value that determines how long, in seconds, users must wait between sending messages.
+        /// </summary>
+        public int Slow
+        { get
+            {
+                string value = TryGetTag("slow");
+                if (!int.TryParse(value, out int result))
+                    throw new InvalidDataException($"tag \"slow\" does not have a proper value: {value}");
+                return result;
+            }
+        }
+        /// <summary>
+        /// A Boolean value that determines whether only subscribers and moderators can chat in the chat room.
+        /// </summary>
+        public bool SubsOnly
+        { get
+            {
+                var value = TryGetTag("subs-only");
+                if (value == "1")
+                    return true;
+                if (value == "0")
+                    return false;
+                throw new InvalidDataException($"tag \"subs-only\" does not have a proper value: {value}");
+            }
+        }
+        public Roomstate(ReceivedMessage other) : base(other)
+        {
+            Debug.Assert(MessageType == IrcMessageType.ROOMSTATE,
+                $"{nameof(Roomstate)} must have type {IrcMessageType.ROOMSTATE}" +
+                $" but has {MessageType}");
+        }
+    }
+}