Add project files.

Esiur/Net/TCP/TCPFilter.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Collections;
+using Esiur.Data;
+using Esiur.Net.Sockets;
+using Esiur.Engine;
+using Esiur.Resource;
+
+namespace Esiur.Net.TCP
+{
+    public abstract class TCPFilter: IResource
+    {
+        public Instance Instance
+        {
+            get;
+            set;
+        }
+
+        public event DestroyedEvent OnDestroy;
+
+        public abstract AsyncReply<bool> Trigger(ResourceTrigger trigger);
+
+        public virtual bool Connected(TCPConnection sender)
+        {
+            return false;
+        }
+
+        public virtual bool Disconnected(TCPConnection sender)
+        {
+            return false;
+        }
+
+        public abstract bool Execute(byte[] msg, NetworkBuffer data, TCPConnection sender);
+
+        public void Destroy()
+        {
+            throw new NotImplementedException();
+        }
+    }
+}