GNU Radio 3.7.1-34 C++ API
file_descriptor_source.h
Go to the documentation of this file.
1
/* -*- c++ -*- */
2
/*
3
* Copyright 2004,2013 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_FILE_DESCRIPTOR_SOURCE_H
24
#define INCLUDED_GR_FILE_DESCRIPTOR_SOURCE_H
25
26
#include <
gnuradio/blocks/api.h
>
27
#include <
gnuradio/sync_block.h
>
28
29
30
namespace
gr {
31
namespace
blocks {
32
33
/*!
34
* \brief Read stream from file descriptor.
35
* \ingroup file_operators_blk
36
*/
37
class
BLOCKS_API
file_descriptor_source
:
virtual
public
sync_block
38
{
39
protected
:
40
virtual
int
read_items(
char
*buf,
int
nitems) = 0;
41
virtual
int
handle_residue(
char
*buf,
int
nbytes_read) = 0;
42
virtual
void
flush_residue() = 0;
43
44
public
:
45
// gr::blocks::file_descriptor_source::sptr
46
typedef
boost::shared_ptr<file_descriptor_source>
sptr
;
47
48
/*!
49
* Build a file descriptor source block.
50
*
51
* \param itemsize item size of the incoming data stream.
52
* \param fd file descriptor (as an integer).
53
* \param repeat repeat the data stream continuously.
54
*/
55
static
sptr
make(
size_t
itemsize
,
int
fd,
bool
repeat
=
false
);
56
};
57
58
}
/* namespace blocks */
59
}
/* namespace gr */
60
61
#endif
/* INCLUDED_GR_FILE_DESCRIPTOR_SOURCE_H */
gnuradio
gr-blocks
include
gnuradio
blocks
file_descriptor_source.h
Generated by
1.8.1.2