L2JGameServerPacketHandler.java

/*
 * 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 3 of the License, or (at your option) 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, see <http://www.gnu.org/licenses/>.
 */
package com.l2jserver.loginserver.network;

import java.util.logging.Logger;

import com.l2jserver.Config;
import com.l2jserver.loginserver.GameServerThread;
import com.l2jserver.loginserver.network.gameserverpackets.*;
import com.l2jserver.loginserver.network.loginserverpackets.LoginServerFail;
import com.l2jserver.util.network.BaseRecievePacket;

/**
 * 
 * @author mrTJO
 */
public class L2JGameServerPacketHandler
{
	protected static Logger _log = Logger.getLogger(L2JGameServerPacketHandler.class.getName());
	public static enum GameServerState { CONNECTED, BF_CONNECTED, AUTHED }
	
	public static BaseRecievePacket handlePacket(byte[] data, GameServerThread server)
	{
		BaseRecievePacket msg = null;
		int opcode = data[0] & 0xff;
		GameServerState state = server.getLoginConnectionState();
		switch (state)
		{
			case CONNECTED:
				switch (opcode)
				{
					case 0x00:
						msg = new BlowFishKey(data, server);
						break;
					default:
						_log.warning("Unknown Opcode ("+Integer.toHexString(opcode).toUpperCase()+") in state "+state.name()+" from GameServer, closing connection.");
						server.forceClose(LoginServerFail.NOT_AUTHED);
						break;
				}
				break;
			case BF_CONNECTED:
				switch (opcode)
				{
					case 0x01:
						msg = new GameServerAuth(data, server);
						break;
					default:
						_log.warning("Unknown Opcode ("+Integer.toHexString(opcode).toUpperCase()+") in state "+state.name()+" from GameServer, closing connection.");
						server.forceClose(LoginServerFail.NOT_AUTHED);
						break;
				}
				break;
			case AUTHED:
				switch (opcode)
				{
					case 0x02:
						msg = new PlayerInGame(data, server);
						break;
					case 0x03:
						msg = new PlayerLogout(data, server);
						break;
					case 0x04:
						msg = new ChangeAccessLevel(data, server);
						break;
					case 0x05:
						msg = new PlayerAuthRequest(data, server);
						break;
					case 0x06:
						msg = new ServerStatus(data, server);
						break;
					case 0x07:
						msg = new PlayerTracert(data);
						break;
					case 0x08:
						msg = new ReplyCharacters(data, server);
						break;
					case 0x09:
						if (Config.EMAIL_SYS_ENABLED)
							msg = new RequestSendMail(data);
						break;
					case 0x0A:
						msg = new RequestTempBan(data);
						break;
					default:
						_log.warning("Unknown Opcode ("+Integer.toHexString(opcode).toUpperCase()+") in state "+state.name()+" from GameServer, closing connection.");
						server.forceClose(LoginServerFail.NOT_AUTHED);
						break;
				}
				break;
		}
		return msg;
	}
}