107 lines
2.9 KiB
C++
107 lines
2.9 KiB
C++
/* -*- c++ -*- */
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/* @file
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* @author (C) 2015 by Roman Khassraf <rkhassraf@gmail.com>
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* @section LICENSE
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*
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* Gr-gsm is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* Gr-gsm is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with gr-gsm; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gnuradio/io_signature.h>
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#include "message_file_source_impl.h"
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#include <stdio.h>
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#define PMT_SIZE 49
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namespace gr {
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namespace gsm {
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message_file_source::sptr
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message_file_source::make(const std::string &filename)
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{
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return gnuradio::get_initial_sptr
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(new message_file_source_impl(filename));
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}
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/*
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* The private constructor
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*/
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message_file_source_impl::message_file_source_impl(const std::string &filename)
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: gr::block("message_file_source",
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gr::io_signature::make(0, 0, 0),
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gr::io_signature::make(0, 0, 0)),
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d_input_file(filename.c_str(), std::ifstream::binary),
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d_finished(false)
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{
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message_port_register_out(pmt::mp("out"));
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}
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/*
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* Our virtual destructor.
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*/
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message_file_source_impl::~message_file_source_impl()
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{
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if (d_finished == false){
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d_finished = true;
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}
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}
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bool message_file_source_impl::start()
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{
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d_finished = false;
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d_thread = boost::shared_ptr<gr::thread::thread>
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(new gr::thread::thread(boost::bind(&message_file_source_impl::run, this)));
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return block::start();
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}
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bool message_file_source_impl::stop()
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{
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d_finished = true;
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d_thread->interrupt();
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d_thread->join();
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return block::stop();
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}
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bool message_file_source_impl::finished()
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{
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return d_finished;
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}
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void message_file_source_impl::run()
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{
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char *unserialized = (char*)malloc(sizeof(char) * PMT_SIZE);
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while (d_input_file.read(unserialized, PMT_SIZE) && !d_finished)
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{
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if (d_input_file.bad())
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{
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break;
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}
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std::string s(unserialized, PMT_SIZE);
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pmt::pmt_t burst = pmt::deserialize_str(s);
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message_port_pub(pmt::mp("out"), burst);
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}
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d_input_file.close();
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post(pmt::mp("system"), pmt::cons(pmt::mp("done"), pmt::from_long(1)));
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}
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} /* namespace gsm */
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} /* namespace gr */
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