Common networking stuffs

Abstract/HandlerManager.cs

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+using Serilog;
+
+namespace CommonSocketLibrary.Abstract
+{
+    public abstract class HandlerManager<Client, Handler>
+    {
+        private readonly IDictionary<int, Handler> _handlers;
+        protected readonly ILogger _logger;
+
+        public IDictionary<int, Handler> Handlers { get => _handlers; }
+
+
+        public HandlerManager(ILogger logger)
+        {
+            _handlers = new Dictionary<int, Handler>();
+            _logger = logger;
+        }
+
+
+        protected void Add(int op, Handler handler)
+        {
+            _handlers.Add(op, handler);
+        }
+
+        public async Task Execute<T>(Client sender, int opcode, T val)
+        {
+            if (opcode < 0 || !_handlers.TryGetValue(opcode, out Handler? handler) || handler == null)
+            {
+                _logger.Warning("Invalid opcode received: " + opcode);
+                return;
+            }
+
+            await Execute(sender, handler, val);
+        }
+
+        protected abstract Task Execute<T>(Client sender, Handler handler, T value);
+    }
+}