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/* -*- c++ -*- */
/* @file
* @author (C) 2015 by Roman Khassraf <rkhassraf@gmail.com>
* @section LICENSE
*
* Gr-gsm 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.
*
* Gr-gsm 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 gr-gsm; 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 <gnuradio/io_signature.h>
#include "message_file_source_impl.h"
#include <stdio.h>
#define PMT_SIZE 49
namespace gr {
namespace gsm {
message_file_source::sptr
message_file_source::make(const std::string &filename)
{
return gnuradio::get_initial_sptr
(new message_file_source_impl(filename));
}
/*
* The private constructor
*/
message_file_source_impl::message_file_source_impl(const std::string &filename)
: gr::block("message_file_source",
gr::io_signature::make(0, 0, 0),
gr::io_signature::make(0, 0, 0)),
d_input_file(filename.c_str(), std::ifstream::binary),
d_finished(false)
{
message_port_register_out(pmt::mp("out"));
}
/*
* Our virtual destructor.
*/
message_file_source_impl::~message_file_source_impl()
{
if (d_finished == false){
d_finished = true;
}
}
bool message_file_source_impl::start()
{
d_finished = false;
d_thread = boost::shared_ptr<gr::thread::thread>
(new gr::thread::thread(boost::bind(&message_file_source_impl::run, this)));
return block::start();
}
bool message_file_source_impl::stop()
{
d_finished = true;
d_thread->interrupt();
d_thread->join();
return block::stop();
}
bool message_file_source_impl::finished()
{
return d_finished;
}
void message_file_source_impl::run()
{
char *unserialized = (char*)malloc(sizeof(char) * PMT_SIZE);
while (d_input_file.read(unserialized, PMT_SIZE) && !d_finished)
{
if (d_input_file.bad())
{
break;
}
std::string s(unserialized, PMT_SIZE);
pmt::pmt_t burst = pmt::deserialize_str(s);
message_port_pub(pmt::mp("out"), burst);
}
d_input_file.close();
post(pmt::mp("system"), pmt::cons(pmt::mp("done"), pmt::from_long(1)));
}
} /* namespace gsm */
} /* namespace gr */
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