reactivity development is continuing

EventHandlerAsync.cs

@@ -1,8 +1,4 @@
-using System;
+using System.Threading.Tasks;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace DTLib
 {

Network/FSP.cs

@@ -11,7 +11,7 @@ namespace DTLib.Network
     //
     public class FSP
     {
-        Socket mainSocket { get;  init; }
+        Socket mainSocket { get; init; }
         static public bool debug = false;
         public FSP(Socket _mainSocket) => mainSocket = _mainSocket;
 

Reactive/ReactiveListener.cs

@@ -1,21 +1,34 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using System.Threading.Tasks;
 
 namespace DTLib.Reactive
 {
     public class ReactiveListener<T> : ReactiveWorker<T>
     {
-        public ReactiveListener()
+        public ReactiveListener() { }
+        public ReactiveListener(ReactiveStream<T> stream) : base(stream) { }
+        public ReactiveListener(IEnumerable<ReactiveStream<T>> streams) : base(streams) { }
+
+        public Action<object, T> ElementAddedHandler;
+        public void SetHandler(Action<object, T> handler) => ReactiveWorkerMutex.Execute(() => { ElementAddedHandler = handler; });
+        public async Task ElementAdded(object s, T e) => await Task.Run(() => ElementAddedHandler?.Invoke(s, e));
+
+        public override void Join(ReactiveStream<T> stream)
         {
-            StreamCollectionAccess.Execute(() =>
+            ReactiveWorkerMutex.Execute(() =>
             {
-                foreach(var stream in Streams)
+                Streams.Add(stream);
-                {
+                stream.ElementAdded += ElementAdded;
-                    stream.ElementAdded +=  async (sender, value) => { await Task.Run(() =>{ }); };
+            });
-                }
+        }
+
+        public override void Leave(ReactiveStream<T> stream)
+        {
+            ReactiveWorkerMutex.Execute(() =>
+            {
+                Streams.Remove(stream);
+                stream.ElementAdded -= ElementAdded;
             });
         }
     }

Reactive/ReactiveProvider.cs

@@ -1,13 +1,37 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace DTLib.Reactive
 {
     public class ReactiveProvider<T> : ReactiveWorker<T>
     {
 
+        public ReactiveProvider() { }
+        public ReactiveProvider(ReactiveStream<T> stream) : base(stream) { }
+        public ReactiveProvider(IEnumerable<ReactiveStream<T>> streams) : base(streams) { }
+
+        event Action<T> AnnounceEvent;
+        public void Announce(T e)
+        {
+            ReactiveWorkerMutex.Execute(()=>AnnounceEvent.Invoke(e));
+        }
+
+        public override void Join(ReactiveStream<T> stream)
+        {
+            ReactiveWorkerMutex.Execute(() =>
+            {
+                Streams.Add(stream);
+                AnnounceEvent += stream.Add;
+            });
+        }
+
+        public override void Leave(ReactiveStream<T> stream)
+        {
+            ReactiveWorkerMutex.Execute(() =>
+            {
+                Streams.Remove(stream);
+                AnnounceEvent -= stream.Add;
+            });
+        }
     }
 }

Reactive/ReactiveStream.cs

@@ -1,9 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Collections;
-using System.Collections.ObjectModel;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace DTLib.Reactive
 {
@@ -13,20 +9,21 @@ namespace DTLib.Reactive
         public event EventHandlerAsync<T> ElementAdded;
         bool StoreData = false;
 
-        SafeMutex StorageAccess = new();
+        SafeMutex StorageMutex = new();
 
         public ReactiveStream() { }
         public ReactiveStream(bool storeData) => StoreData = storeData;
 
         public void Add(T elem)
         {
-            if (StoreData) StorageAccess.Execute(() => Storage.Add(elem));
+            if (StoreData) StorageMutex.Execute(() => Storage.Add(elem));
             ElementAdded?.Invoke(this, elem);
         }
 
         public void Clear()
         {
-            if (StoreData) StorageAccess.Execute(() => Storage.Clear());
+            if (StoreData) StorageMutex.Execute(() => Storage.Clear());
+            else throw new Exception("Can't clear ReactiveStream because StoreData==false");
         }
     }
 }

Reactive/ReactiveWorker.cs

@@ -1,18 +1,20 @@
-using System;
+using System.Collections.Generic;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace DTLib.Reactive
 {
     public abstract class ReactiveWorker<T>
     {
         protected List<ReactiveStream<T>> Streams = new();
+        protected SafeMutex ReactiveWorkerMutex = new();
 
-        protected SafeMutex StreamCollectionAccess = new();
+        public ReactiveWorker() { }
 
-        public void Join(ReactiveStream<T> stream) => StreamCollectionAccess.Execute(()=>Streams.Add(stream));
+        public ReactiveWorker(ReactiveStream<T> stream) => Join(stream);
-        public void Leave(ReactiveStream<T> stream) => StreamCollectionAccess.Execute(() => Streams.Remove(stream));
+
+        public ReactiveWorker(IEnumerable<ReactiveStream<T>> streams) =>
+            ReactiveWorkerMutex.Execute(() => { foreach (var stream in streams) Join(stream); });
+
+        public abstract void Join(ReactiveStream<T> stream);
+        public abstract void Leave(ReactiveStream<T> stream);
     }
 }