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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/* -*- c++ -*- */
/*
* Copyright 2004,2010,2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* GNU Radio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* GNU Radio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "file_descriptor_sink_impl.h"
#include <gr_io_signature.h>
#include <cstdio>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdexcept>
#include <stdio.h>
#ifdef HAVE_IO_H
#include <io.h>
#endif
namespace gr {
namespace blocks {
file_descriptor_sink::sptr
file_descriptor_sink::make(size_t itemsize, int fd)
{
return gnuradio::get_initial_sptr
(new file_descriptor_sink_impl(itemsize, fd));
}
file_descriptor_sink_impl::file_descriptor_sink_impl(size_t itemsize, int fd)
: gr_sync_block("file_descriptor_sink",
gr_make_io_signature(1, 1, itemsize),
gr_make_io_signature(0, 0, 0)),
d_itemsize(itemsize), d_fd(fd)
{
}
file_descriptor_sink_impl::~file_descriptor_sink_impl()
{
close(d_fd);
}
int
file_descriptor_sink_impl::work(int noutput_items,
gr_vector_const_void_star &input_items,
gr_vector_void_star &output_items)
{
char *inbuf = (char*)input_items[0];
unsigned long byte_size = noutput_items * d_itemsize;
while(byte_size > 0) {
ssize_t r;
r = write(d_fd, inbuf, byte_size);
if(r == -1) {
if(errno == EINTR)
continue;
else {
perror("file_descriptor_sink");
return -1; // indicate we're done
}
}
else {
byte_size -= r;
inbuf += r;
}
}
return noutput_items;
}
} /* namespace blocks */
} /* namespace gr */
|
