| /* -*- 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 "burst_file_source_impl.h" |
| #include "stdio.h" |
| |
| #define PMT_SIZE 174 |
| |
| namespace gr { |
| namespace gsm { |
| |
| burst_file_source::sptr |
| burst_file_source::make(const std::string &filename) |
| { |
| return gnuradio::get_initial_sptr |
| (new burst_file_source_impl(filename)); |
| } |
| |
| /* |
| * The private constructor |
| */ |
| burst_file_source_impl::burst_file_source_impl(const std::string &filename) |
| : gr::block("burst_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. |
| */ |
| burst_file_source_impl::~burst_file_source_impl() |
| { |
| if (d_finished == false){ |
| d_finished = true; |
| } |
| } |
| |
| bool burst_file_source_impl::start() |
| { |
| d_finished = false; |
| d_thread = boost::shared_ptr<gr::thread::thread> |
| (new gr::thread::thread(boost::bind(&burst_file_source_impl::run, this))); |
| return block::start(); |
| } |
| |
| bool burst_file_source_impl::stop() |
| { |
| d_finished = true; |
| d_thread->interrupt(); |
| d_thread->join(); |
| return block::stop(); |
| } |
| |
| bool burst_file_source_impl::finished() |
| { |
| return d_finished; |
| } |
| |
| void burst_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 */ |
| |