/* $Id: LoginRequestKeyHandler.java,v 1.2 2010/06/22 18:17:00 nhnb Exp $ */
/***************************************************************************
* (C) Copyright 2003-2010 - Marauroa *
***************************************************************************
***************************************************************************
* *
* 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 *
* (at your option) any later version. *
* *
***************************************************************************/
package marauroa.server.game.messagehandler;
import marauroa.common.Log4J;
import marauroa.common.net.message.Message;
import marauroa.common.net.message.MessageC2SLoginRequestKey;
import marauroa.common.net.message.MessageS2CLoginNACK;
import marauroa.common.net.message.MessageS2CLoginSendKey;
import marauroa.server.game.GameServerManager;
/**
* Process the C2S Login request key message.
*/
class LoginRequestKeyHandler extends MessageHandler {
/** the logger instance. */
private static final marauroa.common.Logger logger = Log4J.getLogger(GameServerManager.class);
/**
* This method handles the initial login of the client into the server.
* First, it compares the game and version that client is running and if
* they match request the client to send the key to continue login process.
*
* Otherwise, it rejects client because game is incompatible.
*
* @param msg
* the login message.
*/
@Override
public void process(Message msg) {
MessageC2SLoginRequestKey msgRequest = (MessageC2SLoginRequestKey) msg;
/*
* Check game version with data suplied by client. The RP may decide to
* deny login to this player.
*/
if (rpMan.checkGameVersion(msgRequest.getGame(), msgRequest.getVersion())) {
/*
* If this is correct we send player the server key so it can sign
* the password.
*/
MessageS2CLoginSendKey msgLoginSendKey = new MessageS2CLoginSendKey(msg
.getSocketChannel(), key);
msgLoginSendKey.setClientID(Message.CLIENTID_INVALID);
msgLoginSendKey.setProtocolVersion(msg.getProtocolVersion());
netMan.sendMessage(msgLoginSendKey);
} else {
/* Error: Incompatible game version. Update client */
logger.debug("Client is running an incompatible game version. Client("
+ msg.getAddress().toString() + ") can't login");
/* Notify player of the event by denying the login. */
MessageS2CLoginNACK msgLoginNACK = new MessageS2CLoginNACK(msg.getSocketChannel(),
MessageS2CLoginNACK.Reasons.GAME_MISMATCH);
msgLoginNACK.setProtocolVersion(msg.getProtocolVersion());
netMan.sendMessage(msgLoginNACK);
}
}
}