diff options
Diffstat (limited to 'lib/misc_utils/extract_assignment_cmd_impl.cc')
-rw-r--r-- | lib/misc_utils/extract_assignment_cmd_impl.cc | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/lib/misc_utils/extract_assignment_cmd_impl.cc b/lib/misc_utils/extract_assignment_cmd_impl.cc new file mode 100644 index 0000000..e4aa319 --- /dev/null +++ b/lib/misc_utils/extract_assignment_cmd_impl.cc @@ -0,0 +1,83 @@ +/* -*- 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 */ |