commandprocessor.java.svn-base

冒险岛私服Java版服务端(Odinms)源代码。学习JAVA开发的朋友

/*
	This file is part of the OdinMS Maple Story Server
    Copyright (C) 2008 Patrick Huy <[e-mail]> 
                       Matthias Butz <[e-mail]>
                       Jan Christian Meyer <[e-mail]>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License version 3
    as published by the Free Software Foundation. You may not use, modify
    or distribute this program under any other version of the
    GNU Affero General Public License.

    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 Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

package net.sf.odinms.client.messages;

import java.awt.Point;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.lang.management.ManagementFactory;
import java.net.InetAddress;
import java.rmi.RemoteException;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import javax.management.MBeanServer;
import javax.management.ObjectName;

import net.sf.odinms.client.IItem;
import net.sf.odinms.client.Item;
import net.sf.odinms.client.MapleCharacter;
import net.sf.odinms.client.MapleCharacterUtil;
import net.sf.odinms.client.MapleClient;
import net.sf.odinms.client.MapleInventoryType;
import net.sf.odinms.client.MapleJob;
import net.sf.odinms.client.MapleStat;
import net.sf.odinms.client.SkillFactory;
import net.sf.odinms.client.anticheat.CheatingOffense;
import net.sf.odinms.database.DatabaseConnection;
import net.sf.odinms.net.ExternalCodeTableGetter;
import net.sf.odinms.net.MaplePacket;
import net.sf.odinms.net.PacketProcessor;
import net.sf.odinms.net.RecvPacketOpcode;
import net.sf.odinms.net.SendPacketOpcode;
import net.sf.odinms.net.channel.ChannelServer;
import net.sf.odinms.net.channel.handler.GeneralchatHandler;
import net.sf.odinms.net.world.remote.CheaterData;
import net.sf.odinms.net.world.remote.WorldLocation;
import net.sf.odinms.server.MapleInventoryManipulator;
import net.sf.odinms.server.MapleItemInformationProvider;
import net.sf.odinms.server.MaplePortal;
import net.sf.odinms.server.MapleShop;
import net.sf.odinms.server.MapleShopFactory;
import net.sf.odinms.server.MapleTrade;
import net.sf.odinms.server.ShutdownServer;
import net.sf.odinms.server.TimerManager;
import net.sf.odinms.server.life.MapleLifeFactory;
import net.sf.odinms.server.life.MapleMonster;
import net.sf.odinms.server.life.MapleMonsterInformationProvider;
import net.sf.odinms.server.life.MapleMonsterStats;
import net.sf.odinms.server.maps.MapleDoor;
import net.sf.odinms.server.maps.MapleMap;
import net.sf.odinms.server.maps.MapleMapObject;
import net.sf.odinms.server.maps.MapleMapObjectType;
import net.sf.odinms.server.quest.MapleQuest;
import net.sf.odinms.tools.HexTool;
import net.sf.odinms.tools.MaplePacketCreator;
import net.sf.odinms.tools.MockIOSession;
import net.sf.odinms.tools.Pair;
import net.sf.odinms.tools.StringUtil;
import net.sf.odinms.tools.data.output.MaplePacketLittleEndianWriter;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class CommandProcessor implements CommandProcessorMBean {
	private static CommandProcessor instance = new CommandProcessor();
	private static final Logger log = LoggerFactory.getLogger(GeneralchatHandler.class);
	private static List<Pair<MapleCharacter,String>> gmlog = new LinkedList<Pair<MapleCharacter,String>>();
	private static Runnable persister;
	
	static {
		persister = new PersistingTask();
		TimerManager.getInstance().register(persister, 62000);
	}
	
	private CommandProcessor() {
		// hidden singleton so we can become managable
	}
	
	public static class PersistingTask implements Runnable {
		@Override
		public void run() {
			synchronized (gmlog) {
				Connection con = DatabaseConnection.getConnection();
				try {
					PreparedStatement ps = con.prepareStatement("INSERT INTO gmlog (cid, command) VALUES (?, ?)");
					for (Pair<MapleCharacter,String> logentry : gmlog) {
						ps.setInt(1, logentry.getLeft().getId());
						ps.setString(2, logentry.getRight());
						ps.executeUpdate();
					}
					ps.close();
				} catch (SQLException e) {
					log.error("error persisting cheatlog", e);
				}
				gmlog.clear();
			}
		}
	}
	
	public static void registerMBean() {
		MBeanServer mBeanServer = ManagementFactory.getPlatformMBeanServer();
		try {
			mBeanServer.registerMBean(instance, new ObjectName("net.sf.odinms.client.messages:name=CommandProcessor"));
		} catch (Exception e) {
			log.error("Error registering CommandProcessor MBean");
		}
	}
	
	private static int getNoticeType(String typestring) {
		if (typestring.equals("n")) {
			return 0;
		} else if (typestring.equals("p")) {
			return 1;
		} else if (typestring.equals("l")) {
			return 2;
		} else if (typestring.equals("nv")) {
			return 5;
		} else if (typestring.equals("v")) {
			return 5;
		} else if (typestring.equals("b")) {
			return 6;
		}
		return -1;
	}

	private static int getOptionalIntArg(String splitted[], int position, int def) {
		if (splitted.length > position) {
			try {
				return Integer.parseInt(splitted[position]);
			} catch (NumberFormatException nfe) {
				return def;
			}
		}
		return def;
	}

	private static String getNamedArg(String splitted[], int startpos, String name) {
		for (int i = startpos; i < splitted.length; i++) {
			if (splitted[i].equalsIgnoreCase(name) && i + 1 < splitted.length) {
				return splitted[i + 1];
			}
		}
		return null;
	}

	private static Integer getNamedIntArg(String splitted[], int startpos, String name) {
		String arg = getNamedArg(splitted, startpos, name);
		if (arg != null) {
			try {
				return Integer.parseInt(arg);
			} catch (NumberFormatException nfe) {
				// swallow - we don't really care
			}
		}
		return null;
	}

	private static Double getNamedDoubleArg(String splitted[], int startpos, String name) {
		String arg = getNamedArg(splitted, startpos, name);
		if (arg != null) {
			try {
				return Double.parseDouble(arg);
			} catch (NumberFormatException nfe) {
				// swallow - we don't really care
			}
		}
		return null;
	}

	public static boolean processCommand(MapleClient c, String line) {
		return processCommandInternal(c, new ServernoticeMapleClientMessageCallback(c), c.getPlayer().isGM(), line);
	}
	
	/* (non-Javadoc)
	 * @see net.sf.odinms.client.messages.CommandProcessorMBean#processCommandJMX(int, int, java.lang.String)
	 */
	public String processCommandJMX(int cserver, int mapid, String command) {
		ChannelServer cserv = ChannelServer.getInstance(cserver);
		if (cserv == null) {
			return "The specified channel Server does not exist in this serverprocess";
		}
		MapleClient c = new MapleClient(null, null, new MockIOSession());
		MapleCharacter chr = MapleCharacter.getDefault(c, 26023);
		c.setPlayer(chr);
		chr.setName("/---------jmxuser-------------\\"); // (name longer than maxmimum length)
		MapleMap map = cserv.getMapFactory().getMap(mapid);
		if (map != null) {
			chr.setMap(map);
			SkillFactory.getSkill(5101004).getEffect(1).applyTo(chr);
			map.addPlayer(chr);
		}
		cserv.addPlayer(chr);
		MessageCallback mc = new StringMessageCallback();
		try {
			processCommandInternal(c, mc, true, command);
		} finally {
			if (map != null) {
				map.removePlayer(chr);
			}
			cserv.removePlayer(chr);
		}
		return mc.toString();
	}
	
	/* (non-Javadoc)
	 * @see net.sf.odinms.client.messages.CommandProcessorMBean#processCommandInstance(net.sf.odinms.client.MapleClient, java.lang.String)
	 */
	private static boolean processCommandInternal(MapleClient c, MessageCallback mc, boolean isGM, String line) {
		MapleCharacter player = c.getPlayer();
		ChannelServer cserv = c.getChannelServer();
		if (line.charAt(0) == '!' && isGM) {
			synchronized (gmlog) {
				gmlog.add(new Pair<MapleCharacter, String>(player, line));
			}
			log.warn("{} used a GM command: {}", c.getPlayer().getName(), line);
			String[] splitted = line.split(" ");
			if (splitted[0].equals("!map")) {
				int mapid = Integer.parseInt(splitted[1]);
				MapleMap target = cserv.getMapFactory().getMap(mapid);
				MaplePortal targetPortal = null;
				if (splitted.length > 2) {
					try {
						targetPortal = target.getPortal(Integer.parseInt(splitted[2]));
					} catch (IndexOutOfBoundsException ioobe) {
						// noop, assume the gm didn't know how many portals there are
					} catch (NumberFormatException nfe) {
						// noop, assume that the gm is drunk
					}
				}