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diff --git a/src/net/connectionhandler.h b/src/net/connectionhandler.h
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+/*
+ *  The Mana Server
+ *  Copyright (C) 2004-2010  The Mana World Development Team
+ *
+ *  This file is part of The Mana Server.
+ *
+ *  The Mana Server is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  any later version.
+ *
+ *  The Mana Server is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with The Mana Server.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CONNECTIONHANDLER_H
+#define CONNECTIONHANDLER_H
+
+#include <list>
+#include <string>
+#include <enet/enet.h>
+
+class MessageIn;
+class MessageOut;
+class NetComputer;
+
+/**
+ * This class represents the connection handler interface. The connection
+ * handler will respond to connect/reconnect/disconnect events and handle
+ * incoming messages, passing them on to registered message handlers.
+ */
+class ConnectionHandler
+{
+    public:
+        virtual ~ConnectionHandler() {}
+
+        /**
+         * Open the server socket.
+         * @param port the port to listen to
+         * @host  the host IP to listen on, defaults to the default localhost
+         */
+        bool startListen(enet_uint16 port,
+                         const std::string &host = std::string());
+
+        /**
+         * Disconnect all the clients and close the server socket.
+         */
+        void stopListen();
+
+        /**
+         * Process outgoing messages and listen to the server socket for
+         * incoming messages and new connections.
+         *
+         * @timeout an optional timeout in milliseconds to wait for something
+         *          to happen when there is nothing to do
+         */
+        virtual void process(enet_uint32 timeout = 0);
+
+        /**
+         * Process outgoing messages.
+         */
+        void flush();
+
+        /**
+         * Called when a computer sends a packet to the network session.
+         */
+        //void receivePacket(NetComputer *computer, Packet *packet);
+
+        /**
+         * Send packet to every client, used for announcements.
+         */
+        void sendToEveryone(const MessageOut &msg);
+
+        /**
+         * Return the number of connected clients.
+         */
+        unsigned int getClientCount() const;
+
+    private:
+        ENetAddress address;      /**< Includes the port to listen to. */
+        ENetHost *host;           /**< The host that listen for connections. */
+
+    protected:
+        /**
+         * Called when a computer connects to the server. Initialize
+         * an object derived of NetComputer.
+         */
+        virtual NetComputer *computerConnected(ENetPeer *peer) = 0;
+
+        /**
+         * Called when a computer reconnects to the server.
+         */
+        //virtual NetComputer *computerReconnected(ENetPeer *) = 0;
+
+        /**
+         * Called when a computer disconnects from the server.
+         *
+         * <b>Note:</b> After returning from this method the NetComputer
+         *              reference is no longer guaranteed to be valid.
+         */
+        virtual void computerDisconnected(NetComputer *) = 0;
+
+        /**
+         * Called when a message is received.
+         */
+        virtual void processMessage(NetComputer *, MessageIn &) = 0;
+
+        typedef std::list<NetComputer*> NetComputers;
+        /**
+         * A list of pointers to the client structures created by
+         * computerConnected.
+         */
+        NetComputers clients;
+};
+
+#endif