GNU Radio's SATELLITES Package
selector_impl.h
Go to the documentation of this file.
1 /* -*- c++ -*- */
2 /*
3  * Copyright 2019 Free Software Foundation, Inc.
4  * Copyright 2023 Daniel Estevez <daniel@destevez.net>
5  *
6  * This file is part of gr-satellites
7  *
8  * SPDX-License-Identifier: GPL-3.0-or-later
9  *
10  * This is a copy of the GNU Radio Selector block modified to consume all the
11  * items that are available on inactive inputs. This is required to use selector
12  * blocks to bypass sections of the flowgraph. See
13  * https://github.com/gnuradio/gnuradio/issues/6792
14  * for more information.
15  *
16  */
17 
18 #ifndef INCLUDED_SATELLITES_SELECTOR_IMPL_H
19 #define INCLUDED_SATELLITES_SELECTOR_IMPL_H
20 
21 #include <gnuradio/thread/thread.h>
22 #include <satellites/selector.h>
23 
24 namespace gr {
25 namespace satellites {
26 
27 class selector_impl : public selector
28 {
29 private:
30  const size_t d_itemsize;
31  unsigned int d_input_index, d_output_index;
32  unsigned int d_num_inputs, d_num_outputs; // keep track of the topology
33  bool d_enabled;
34 
35  gr::thread::mutex d_mutex;
36 
37 public:
38  selector_impl(size_t itemsize, unsigned int input_index, unsigned int output_index);
39  ~selector_impl() override;
40 
41  void forecast(int noutput_items, gr_vector_int& ninput_items_required) override;
42  bool check_topology(int ninputs, int noutputs) override;
43  void setup_rpc() override;
44  void handle_msg_input_index(const pmt::pmt_t& msg);
45  void handle_msg_output_index(const pmt::pmt_t& msg);
46  void handle_enable(const pmt::pmt_t& msg);
47  void set_enabled(bool enable) override
48  {
49  gr::thread::scoped_lock l(d_mutex);
50  d_enabled = enable;
51  }
52  bool enabled() const override { return d_enabled; }
53 
54  void set_input_index(unsigned int input_index) override;
55  int input_index() const override { return d_input_index; }
56 
57  void set_output_index(unsigned int output_index) override;
58  int output_index() const override { return d_output_index; }
59 
60  int general_work(int noutput_items,
61  gr_vector_int& ninput_items,
62  gr_vector_const_void_star& input_items,
63  gr_vector_void_star& output_items) override;
64 };
65 
66 } /* namespace satellites */
67 } /* namespace gr */
68 
69 #endif /* INCLUDED_SATELLITES_SELECTOR_IMPL_H */
Definition: selector_impl.h:28
void forecast(int noutput_items, gr_vector_int &ninput_items_required) override
selector_impl(size_t itemsize, unsigned int input_index, unsigned int output_index)
bool check_topology(int ninputs, int noutputs) override
void set_enabled(bool enable) override
Definition: selector_impl.h:47
void handle_msg_output_index(const pmt::pmt_t &msg)
void handle_enable(const pmt::pmt_t &msg)
int input_index() const override
Definition: selector_impl.h:55
void set_input_index(unsigned int input_index) override
bool enabled() const override
Definition: selector_impl.h:52
void set_output_index(unsigned int output_index) override
void handle_msg_input_index(const pmt::pmt_t &msg)
int general_work(int noutput_items, gr_vector_int &ninput_items, gr_vector_const_void_star &input_items, gr_vector_void_star &output_items) override
int output_index() const override
Definition: selector_impl.h:58
output[output_index][i] = input[input_index][i]
Definition: selector.h:40
Definition: ax100_decode.h:17