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/*
* The Mana World
* Copyright (C) 2004 The Mana World Development Team
*
* This file is part of The Mana World.
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef EA_NETWORK_H
#define EA_NETWORK_H
#include <SDL_net.h>
#include <SDL_thread.h>
#include <map>
#include <string>
/**
* Protocol version, reported to the eAthena char and mapserver who can adjust
* the protocol accordingly.
*/
#define CLIENT_PROTOCOL_VERSION 1
class MessageHandler;
class MessageIn;
class Network
{
public:
friend int networkThread(void *data);
friend class MessageOut;
Network();
~Network();
bool connect(const std::string &address, short port);
void disconnect();
void registerHandler(MessageHandler *handler);
void unregisterHandler(MessageHandler *handler);
void clearHandlers();
int getState() const { return mState; }
const std::string &getError() const { return mError; }
bool isConnected() const { return mState == CONNECTED; }
int getInSize() const { return mInSize; }
void skip(int len);
bool messageReady();
MessageIn getNextMessage();
void dispatchMessages();
void flush();
// ERROR replaced by NET_ERROR because already defined in Windows
enum {
IDLE,
CONNECTED,
CONNECTING,
DATA,
NET_ERROR
};
private:
static Network *instance();
void setError(const std::string &error);
Uint16 readWord(int pos);
bool realConnect();
void receive();
TCPsocket mSocket;
std::string mAddress;
short mPort;
char *mInBuffer, *mOutBuffer;
unsigned int mInSize, mOutSize;
unsigned int mToSkip;
int mState;
std::string mError;
SDL_Thread *mWorkerThread;
SDL_mutex *mMutex;
typedef std::map<Uint16, MessageHandler*> MessageHandlers;
typedef MessageHandlers::iterator MessageHandlerIterator;
MessageHandlers mMessageHandlers;
static Network *mInstance;
};
#endif
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