1 /* -*- c++ -*- */
2 /*
3  * Copyright 2013 Free Software Foundation, Inc.
4  *
5  * This file is part of GNU Radio
6  *
7  * GNU Radio is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 3, or (at your option)
10  * any later version.
11  *
12  * GNU Radio is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with GNU Radio; see the file COPYING.  If not, write to
19  * the Free Software Foundation, Inc., 51 Franklin Street,
20  * Boston, MA 02110-1301, USA.
21  */
22 
23 #ifndef INCLUDED_BLOCKS_RANDOM_PDU_IMPL_H
24 #define INCLUDED_BLOCKS_RANDOM_PDU_IMPL_H
25 
26 #include <gnuradio/blocks/random_pdu.h>
27 #include <boost/generator_iterator.hpp>
28 #include <boost/random.hpp>
29 
30 namespace gr {
31 namespace blocks {
32 
33 class random_pdu_impl : public random_pdu
34 {
35 private:
36     boost::mt19937 d_rng;
37     boost::uniform_int<> d_urange;
38     boost::uniform_int<> d_brange;
39     boost::variate_generator<boost::mt19937, boost::uniform_int<>> d_rvar; // pdu length
40     boost::variate_generator<boost::mt19937, boost::uniform_int<>> d_bvar; // pdu contents
41     unsigned char d_mask;
42     int d_length_modulo;
43 
44 public:
45     random_pdu_impl(int min_items,
46                     int max_items,
47                     unsigned char byte_mask,
48                     int length_modulo);
49 
50     bool start();
51     void output_random();
generate_pdu(pmt::pmt_t msg)52     void generate_pdu(pmt::pmt_t msg) { output_random(); }
generate_pdu()53     void generate_pdu() { output_random(); }
54 };
55 
56 } /* namespace blocks */
57 } /* namespace gr */
58 
59 #endif /* INCLUDED_BLOCKS_RANDOM_PDU_IMPL_H */
60