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/*
* The Mana World
* 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 _TMW_NETWORK_
#define _TMW_NETWORK_
#include <map>
#include <string>
#include <guichan.hpp>
#include <enet/enet.h>
class MessageHandler;
class MessageOut;
/**
* The client network layer. Facilitates connecting and communicating to the
* account, game and chat servers. Also routes incoming message to the
* appropriate message handlers.
*/
class Network
{
public:
friend class MessageOut;
/**
* Constructor. Sets up the local host.
*/
Network();
/**
* Destructor.
*/
~Network();
typedef enum {
ACCOUNT,
GAME,
CHAT
} Server;
/**
* Connects to the given server with the specified address and port.
* This method is non-blocking, use isConnected to check whether the
* server is connected.
*/
bool
connect(Server server, const std::string &address, short port);
/**
* Disconnects from the given server.
*/
void
disconnect(Server server);
/**
* Registers a message handler. A message handler handles a certain
* subset of incoming messages.
*/
void
registerHandler(MessageHandler *handler);
/**
* Unregisters a message handler.
*/
void
unregisterHandler(MessageHandler *handler);
void
clearHandlers();
int
getState() const { return mState; }
/**
* Returns whether the given server is connected.
*/
bool
isConnected(Server server) const;
void
flush();
/**
* Send a message to a given server. The server should be connected.
*/
void
send(Server server, const MessageOut &msg);
enum State {
NET_OK,
NET_ERROR
};
private:
/**
* The local host.
*/
ENetHost *mClient;
/**
* An array holding the peers of the account, game and chat servers.
*/
ENetPeer *mServers[3];
/**
* Dispatches a message to the appropriate message handler and
* destroys it afterwards.
*/
void
dispatchMessage(ENetPacket *packet);
unsigned int mToSkip;
int mState;
typedef std::map<unsigned short, MessageHandler*> MessageHandlers;
typedef MessageHandlers::iterator MessageHandlerIterator;
MessageHandlers mMessageHandlers;
};
/** Convert an address from int format to string */
char *iptostring(int address);
// TODO: remove this global, just a temp solution.
extern Network *network;
#endif
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