1 /* -*- c++ -*- */
2 /*
3  * Copyright 2005,2013 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_GR_PROBE_RATE_IMPL_H
24 #define INCLUDED_GR_PROBE_RATE_IMPL_H
25 
26 #include <gnuradio/blocks/probe_rate.h>
27 
28 namespace gr {
29 namespace blocks {
30 
31 class probe_rate_impl : public probe_rate
32 {
33 private:
34     double d_alpha, d_beta, d_avg;
35     double d_min_update_time;
36     boost::posix_time::ptime d_last_update;
37     uint64_t d_lastthru;
38     void setup_rpc();
39 
40     const pmt::pmt_t d_port;
41     const pmt::pmt_t d_dict_avg, d_dict_now;
42 
43 public:
44     probe_rate_impl(size_t itemsize, double update_rate_ms, double alpha = 0.0001);
45     ~probe_rate_impl();
46     void set_alpha(double alpha);
47     double rate();
48     double timesincelast();
49     bool start();
50     bool stop();
51 
52     int work(int noutput_items,
53              gr_vector_const_void_star& input_items,
54              gr_vector_void_star& output_items);
55 
56 }; // end class
57 
58 } /* namespace blocks */
59 } /* namespace gr */
60 
61 #endif
62