TDAT:     private void parse(Connection con, ByteBuffer buf) {
        int sz = buf.getShort() & 0xFFFF;
        sz -= 2;
        ByteBuffer b = (ByteBuffer)buf.slice().limit(sz);
        b.order(ByteOrder.LITTLE_ENDIAN);
        buf.position(buf.position()+sz); // read message fully
        con.decript(b);
        con.addReceivedMsg(b);
    }
 COM: <s> parse received packet push a message into inbound queue </s>