blob: 22c9517a6de623d569907d002fd09fdbe8516074 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/* -*- c++ -*- */
/*
* Copyright 2004,2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifndef INCLUDED_GR_FILE_DESCRIPTOR_SOURCE_IMPL_H
#define INCLUDED_GR_FILE_DESCRIPTOR_SOURCE_IMPL_H
#include <gnuradio/blocks/file_descriptor_source.h>
namespace gr {
namespace blocks {
class file_descriptor_source_impl : public file_descriptor_source
{
private:
const size_t d_itemsize;
const int d_fd;
const bool d_repeat;
std::vector<unsigned char> d_residue;
unsigned long d_residue_len;
protected:
int read_items(char* buf, int nitems) override;
int handle_residue(char* buf, int nbytes_read) override;
void flush_residue() override { d_residue_len = 0; }
public:
file_descriptor_source_impl(size_t itemsize, int fd, bool repeat);
~file_descriptor_source_impl() override;
int work(int noutput_items,
gr_vector_const_void_star& input_items,
gr_vector_void_star& output_items) override;
};
} /* namespace blocks */
} /* namespace gr */
#endif /* INCLUDED_GR_FILE_DESCRIPTOR_SOURCE_IMPL_H */
|
