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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 "messagehandler.h"
#include "netcomputer.h"
#include "packet.h"
#include "being.h"
#include "messageout.h"
#include <map>
#include <SDL_net.h>
#define IN_BUFFER_SIZE 8192
// Forward declaration
class ListenThreadData;
/**
* 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:
typedef std::list<NetComputer*> NetComputers;
/**
* Constructor.
*/
ConnectionHandler();
/**
* Starts listening to the server socket. It accepts new connections
* and receives data from connected clients. All computers are
* disconnected when listening stops.
*/
void startListen(ListenThreadData *ltd);
/**
* Called when a computer connects to a network session.
*/
void computerConnected(NetComputer *computer);
/**
* Called when a computer reconnects to a network session.
*/
//void computerReconnected(NetComputer *computer);
/**
* Called when a computer disconnects from a network session.
*
* <b>Note:</b> After returning from this method the NetComputer
* reference is no longer guaranteed to be valid.
*/
void computerDisconnected(NetComputer *computer);
/**
* Called when a computer sends a packet to the network session.
*/
//void receivePacket(NetComputer *computer, Packet *packet);
/**
* Registers a message handler to handle a certain message type.
*/
void registerHandler(unsigned int msgId, MessageHandler *handler);
/**
* Send packet to client with matching BeingPtr
*/
void sendTo(tmwserv::BeingPtr, MessageOut &);
/**
* Send packet to client with matching Being name
*/
void sendTo(std::string name, MessageOut &);
/**
* Send packet to every client, used for announcements.
*/
void sendToEveryone(MessageOut &);
/**
* Send packet to every client around the client on screen.
*/
void sendAround(tmwserv::BeingPtr, MessageOut &);
/**
* Send packet to every client in a registered channel.
*/
void sendInChannel(short channelId, MessageOut &);
/**
* Return the number of connected clients.
*/
unsigned int getClientNumber();
/**
* tells a list of user they're leaving a channel.
*/
void makeUsersLeaveChannel(const short channelId);
private:
std::map<unsigned int, MessageHandler*> handlers;
NetComputers clients;
};
extern ConnectionHandler *connectionHandler;
#endif
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