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/* -*- c++ -*- */
/*
* Copyright 2004,2010,2013 Free Software Foundation, Inc.
*
* This file is part of GNU Radio
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "file_descriptor_sink_impl.h"
#include <gnuradio/io_signature.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <cstdio>
#include <stdexcept>
#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)
: sync_block("file_descriptor_sink",
io_signature::make(1, 1, itemsize),
io_signature::make(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)
{
const char* inbuf = static_cast<const 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 */
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