public boolean doDecode(IoSession session, ByteBuffer in,
			ProtocolDecoderOutput out) {
		//synchronized (session) {
			Object loginStageObj = session.getAttribute("LOGIN_STAGE");
			int loginStage = 0;
			if (loginStageObj != null) {
				loginStage = (Integer) loginStageObj;
			}
			// Logger.log("recv login packet, stage: "+loginStage);
			switch (loginStage) {
			case 0:
				if (2 <= in.remaining()) {
					int protocol = in.get() & 0xff;
					@SuppressWarnings("unused")
					int nameHash = in.get() & 0xff;
					if (protocol == 14) {
						long serverSessionKey = ((long) (java.lang.Math
								.random() * 99999999D) << 32)
								+ (long) (java.lang.Math.random() * 99999999D);
						StaticPacketBuilder s1Response = new StaticPacketBuilder();
						s1Response
								.setBare(true)
								.addBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 })
								.addByte((byte) 0).addLong(serverSessionKey);
						session.setAttribute("SERVER_SESSION_KEY",
								serverSessionKey);
						session.write(s1Response.toPacket());
						session.setAttribute("LOGIN_STAGE", 1);
					}
					return true;
				} else {
					in.rewind();
					return false;
				}
			case 1:
				@SuppressWarnings("unused")
				int loginType = -1,
				loginPacketSize = -1,
				loginEncryptPacketSize = -1;
				if (2 <= in.remaining()) {
					loginType = in.get() & 0xff; // should be 16 or 18
					System.out.println("loginType: "+loginType);
					/*loginPacketSize = in.get() & 0xff;
					loginEncryptPacketSize = loginPacketSize - (36 + 1 + 1 + 2);
					if (loginPacketSize <= 0 || loginEncryptPacketSize <= 0) {
						System.out.println("Zero or negative login size.");
						session.close();
						return false;
					}*/
				} else {
					in.rewind();
					return false;
				}
				if (loginPacketSize <= in.remaining()) {
					int magic = in.getUnsignedShort();
					int version = in.get();
					if (magic != 16) {
						System.out.println("Wrong magic id.");
						session.close();
						return false;
					}
					int uid = in.getInt();
					String name = readRS2String(in);
					String pass = readRS2String(in);
					int cacheLen = in.get();
					System.out.println(cacheLen+":"+name+":"+pass);
					for (int i = 0; i < 17; i++)
						in.getInt();
					//System.out.println(name+":"+pass);
					load(session, uid, name, pass, version);
					// WorkerThread.load(session, name, pass, inC, outC);
					session.getFilterChain().remove("protocolFilter");
					session.getFilterChain().addLast("protocolFilter",
							new ProtocolCodecFilter(new GameCodecFactory()));
					return true;
				} else {
					in.rewind();
					return false;
				}
			}
		//}
		return false;
	}