GNU Radio 3.6.4.1 C++ API
gr_copy.h
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1 /* -*- c++ -*- */
2 /*
3  * Copyright 2006,2009 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,
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21  */
22 
23 #ifndef INCLUDED_GR_COPY_H
24 #define INCLUDED_GR_COPY_H
25 
26 #include <gr_core_api.h>
27 #include <gr_block.h>
28 
29 class gr_copy;
31 
32 GR_CORE_API gr_copy_sptr gr_make_copy(size_t itemsize);
33 
34 /*!
35  * \brief output[i] = input[i]
36  * \ingroup misc_blk
37  *
38  * When enabled (default), this block copies its input to its output.
39  * When disabled, this block drops its input on the floor.
40  *
41  */
43 {
44  size_t d_itemsize;
45  bool d_enabled;
46 
47  friend GR_CORE_API gr_copy_sptr gr_make_copy(size_t itemsize);
48  gr_copy(size_t itemsize);
49 
50  public:
51 
52  bool check_topology(int ninputs, int noutputs);
53 
54  void set_enabled(bool enable) { d_enabled = enable; }
55  bool enabled() const { return d_enabled;}
56 
57  int general_work(int noutput_items,
58  gr_vector_int &ninput_items,
59  gr_vector_const_void_star &input_items,
60  gr_vector_void_star &output_items);
61 };
62 
63 #endif