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/* -*- c++ -*- */
/*
* Copyright 2004,2006,2007,2010,2013 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_sink_impl.h"
#include <gnuradio/io_signature.h>
#include <stdexcept>
namespace gr {
namespace blocks {
file_sink::sptr
file_sink::make(size_t itemsize, const char *filename, bool append)
{
return gnuradio::get_initial_sptr
(new file_sink_impl(itemsize, filename, append));
}
file_sink_impl::file_sink_impl(size_t itemsize, const char *filename, bool append)
: sync_block("file_sink",
io_signature::make(1, 1, itemsize),
io_signature::make(0, 0, 0)),
file_sink_base(filename, true, append),
d_itemsize(itemsize)
{
}
file_sink_impl::~file_sink_impl()
{
}
int
file_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];
int nwritten = 0;
do_update(); // update d_fp is reqd
if(!d_fp)
return noutput_items; // drop output on the floor
while(nwritten < noutput_items) {
int count = fwrite(inbuf, d_itemsize, noutput_items - nwritten, d_fp);
if(count == 0) {
if(ferror(d_fp)) {
std::stringstream s;
s << "file_sink write failed with error " << fileno(d_fp) << std::endl;
throw std::runtime_error(s.str());
}
else { // is EOF
break;
}
}
nwritten += count;
inbuf += count * d_itemsize;
}
if(d_unbuffered)
fflush (d_fp);
return nwritten;
}
} /* namespace blocks */
} /* namespace gr */
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