MaplePacketEncoder.java
资源名称:src.rar [点击查看]
上传用户:gwt600
上传日期:2021-06-03
资源大小:704k
文件大小:3k
源码类别:
游戏
开发平台:
Java
- /*
- This file is part of the OdinMS Maple Story Server
- Copyright (C) 2008 Patrick Huy <patrick.huy@frz.cc>
- Matthias Butz <matze@odinms.de>
- Jan Christian Meyer <vimes@odinms.de>
- 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.net.mina;
- import net.sf.odinms.client.MapleClient;
- import net.sf.odinms.net.MaplePacket;
- import net.sf.odinms.tools.MapleCustomEncryption;
- import org.apache.mina.common.ByteBuffer;
- import org.apache.mina.common.IoSession;
- import org.apache.mina.filter.codec.ProtocolEncoder;
- import org.apache.mina.filter.codec.ProtocolEncoderOutput;
- public class MaplePacketEncoder implements ProtocolEncoder {
- //private static Logger log = LoggerFactory.getLogger(MaplePacketEncoder.class);
- @Override
- public void encode(IoSession session, Object message, ProtocolEncoderOutput out) throws Exception {
- MapleClient client = (MapleClient) session.getAttribute(MapleClient.CLIENT_KEY);
- if (client != null) {
- byte[] input = ((MaplePacket) message).getBytes();
- byte[] unencrypted = new byte[input.length];
- System.arraycopy(input, 0, unencrypted, 0, input.length);
- byte[] ret = new byte[unencrypted.length + 4];
- byte[] header = client.getSendCrypto().getPacketHeader(unencrypted.length);
- synchronized(client.getSendCrypto()){
- MapleCustomEncryption.encryptData(unencrypted);
- client.getSendCrypto().crypt(unencrypted);
- System.arraycopy(header, 0, ret, 0, 4);
- System.arraycopy(unencrypted, 0, ret, 4, unencrypted.length);
- ByteBuffer out_buffer = ByteBuffer.wrap(ret);
- out.write(out_buffer);
- }
- } else { // no client object created yet, send unencrypted (hello)
- out.write(ByteBuffer.wrap(((MaplePacket) message).getBytes()));
- }
- }
- @Override
- public void dispose(IoSession session) throws Exception {
- // nothing to do
- }
- }