| /* -*- 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_source_impl.h" |
| #include <stdio.h> |
| #include <grgsm/gsmtap.h> |
| #include <grgsm/endian.h> |
| #include <algorithm> |
| #include <boost/scoped_ptr.hpp> |
| #include <iostream> |
| #include <string> |
| #include <sstream> |
| |
| #define MSG_BYTE_LEN 39 |
| |
| |
| namespace gr { |
| namespace gsm { |
| |
| message_source::sptr |
| message_source::make(const std::vector<std::string> &msg_data) |
| { |
| return gnuradio::get_initial_sptr |
| (new message_source_impl(msg_data)); |
| } |
| |
| /* |
| * The private constructor |
| */ |
| message_source_impl::message_source_impl(const std::vector<std::string> &msg_data) |
| : gr::block("message_source", |
| gr::io_signature::make(0, 0, 0), |
| gr::io_signature::make(0, 0, 0)), |
| d_finished(false) |
| { |
| message_port_register_out(pmt::mp("msgs")); |
| set_msg_data(msg_data); |
| } |
| |
| /* |
| * Our virtual destructor. |
| */ |
| message_source_impl::~message_source_impl() |
| { |
| if (d_finished == false){ |
| d_finished = true; |
| } |
| } |
| |
| void message_source_impl::set_msg_data(const std::vector<std::string> &msg_data) |
| { |
| for (int i=0; i<msg_data.size(); i++) |
| { |
| std::istringstream iss(msg_data[i]); |
| std::vector<uint8_t> bytes; |
| unsigned int c; |
| |
| while (iss >> std::hex >> c) |
| { |
| if (c < 256) |
| { |
| bytes.push_back(c); |
| } |
| } |
| |
| if (bytes.size() == MSG_BYTE_LEN) |
| { |
| d_msgs.push_back(bytes); |
| } |
| } |
| } |
| |
| bool message_source_impl::start() |
| { |
| d_finished = false; |
| d_thread = boost::shared_ptr<gr::thread::thread> |
| (new gr::thread::thread(boost::bind(&message_source_impl::run, this))); |
| return block::start(); |
| } |
| |
| bool message_source_impl::stop() |
| { |
| d_finished = true; |
| d_thread->interrupt(); |
| d_thread->join(); |
| return block::stop(); |
| } |
| |
| bool message_source_impl::finished() |
| { |
| return d_finished; |
| } |
| |
| void message_source_impl::run() |
| { |
| for (int i=0; i<d_msgs.size(); i++) |
| { |
| std::vector<uint8_t> current = d_msgs[i]; |
| pmt::pmt_t blob_header_plus_burst = pmt::make_blob(¤t[0], current.size()); |
| pmt::pmt_t msg = pmt::cons(pmt::PMT_NIL, blob_header_plus_burst); |
| message_port_pub(pmt::mp("msgs"), msg); |
| } |
| post(pmt::mp("system"), pmt::cons(pmt::mp("done"), pmt::from_long(1))); |
| } |
| } /* namespace gsm */ |
| } /* namespace gr */ |
| |