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/*
* The Mana World Server
* Copyright 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* The Mana World 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 World 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 World; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* $Id$
*/
#ifndef _TMWSERV_CONNECTIONHANDLER_H_
#define _TMWSERV_CONNECTIONHANDLER_H_
#include <list>
#include <enet/enet.h>
#define IN_BUFFER_SIZE 8192
class MessageIn;
class MessageOut;
class NetComputer;
/**
* Data related to a connected client. This includes the buffer for incoming
* messages and the related socket.
*/
class ClientData
{
public:
ClientData();
//TCPsocket sock; /**< The socket used for communication */
int inp; /**< The amount of data in the in buffer */
char in[IN_BUFFER_SIZE]; /**< The in buffer for incoming messages */
};
/**
* 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.
*/
bool startListen(enet_uint16 port);
/**
* 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.
*/
virtual void process();
/**
* Process outgoing messages.
*/
void flush();
/**
* Called when a computer sends a packet to the network session.
*/
//void receivePacket(NetComputer *computer, Packet *packet);
/**
* Force disconnection of target computer.
*/
void forceDisconnect(NetComputer *);
/**
* Send packet to every client, used for announcements.
*/
void sendToEveryone(MessageOut &);
/**
* Return the number of connected clients.
*/
unsigned int getClientNumber();
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 *) = 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
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