| /* -*- c++ -*- */ |
| /* |
| * @file |
| * @author (C) 2018 by Piotr Krysik <ptrkrysik@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 <grgsm/gsmtap.h> |
| //#include <unistd.h> |
| #include <grgsm/endian.h> |
| |
| #include "extract_assignment_cmd_impl.h" |
| |
| namespace gr { |
| namespace gsm { |
| void extract_assignment_cmd_impl::process_messages(pmt::pmt_t msg) |
| { |
| pmt::pmt_t message_plus_header_blob = pmt::cdr(msg); |
| uint8_t * message_plus_header = (uint8_t *)pmt::blob_data(message_plus_header_blob); |
| gsmtap_hdr * header = (gsmtap_hdr *)message_plus_header; |
| uint8_t * msg_elements = (uint8_t *)(message_plus_header+sizeof(gsmtap_hdr)); |
| |
| if((msg_elements[3] & 0xFF) == 0x06 && msg_elements[4] == 0x2e) |
| { |
| int frame_nr = be32toh(header->frame_number); |
| d_assignment_commands.push_back(frame_nr); |
| } |
| } |
| |
| |
| |
| std::vector<int> extract_assignment_cmd_impl::get_assignment_commands() |
| { |
| return d_assignment_commands; |
| } |
| |
| extract_assignment_cmd::sptr |
| extract_assignment_cmd::make() |
| { |
| return gnuradio::get_initial_sptr |
| (new extract_assignment_cmd_impl()); |
| } |
| |
| /* |
| * The private constructor |
| */ |
| extract_assignment_cmd_impl::extract_assignment_cmd_impl() |
| : gr::block("extract_assignment_cmd", |
| gr::io_signature::make(0, 0, 0), |
| gr::io_signature::make(0, 0, 0)) |
| { |
| message_port_register_in(pmt::mp("msgs")); |
| set_msg_handler(pmt::mp("msgs"), boost::bind(&extract_assignment_cmd_impl::process_messages, this, _1)); |
| } |
| |
| /* |
| * Our virtual destructor. |
| */ |
| extract_assignment_cmd_impl::~extract_assignment_cmd_impl() |
| { |
| } |
| } /* namespace gsm */ |
| } /* namespace gr */ |