Roman Khassraf | 98581a8 | 2017-01-11 12:50:38 +0100 | [diff] [blame] | 1 | /* -*- c++ -*- */ |
| 2 | /* |
| 3 | * @file |
Piotr Krysik | a6268a5 | 2017-08-23 16:02:19 +0200 | [diff] [blame] | 4 | * @author (C) 2017 by Roman Khassraf <rkhassraf@gmail.com> |
Roman Khassraf | 98581a8 | 2017-01-11 12:50:38 +0100 | [diff] [blame] | 5 | * @section LICENSE |
| 6 | * |
| 7 | * Gr-gsm is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 3, or (at your option) |
| 10 | * any later version. |
| 11 | * |
| 12 | * Gr-gsm is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with gr-gsm; see the file COPYING. If not, write to |
| 19 | * the Free Software Foundation, Inc., 51 Franklin Street, |
| 20 | * Boston, MA 02110-1301, USA. |
| 21 | */ |
| 22 | |
| 23 | #ifdef HAVE_CONFIG_H |
| 24 | #include "config.h" |
| 25 | #endif |
| 26 | |
| 27 | #include <gnuradio/io_signature.h> |
| 28 | #include <grgsm/gsmtap.h> |
Piotr Krysik | eb81b03 | 2018-02-27 08:46:17 +0100 | [diff] [blame] | 29 | //#include <unistd.h> |
Roman Khassraf | 98581a8 | 2017-01-11 12:50:38 +0100 | [diff] [blame] | 30 | #include <grgsm/endian.h> |
| 31 | |
| 32 | #include "collect_system_info_impl.h" |
| 33 | |
| 34 | namespace gr { |
| 35 | namespace gsm { |
| 36 | |
| 37 | void collect_system_info_impl::process_messages(pmt::pmt_t msg){ |
| 38 | pmt::pmt_t message_plus_header_blob = pmt::cdr(msg); |
| 39 | uint8_t * message_plus_header = (uint8_t *)pmt::blob_data(message_plus_header_blob); |
| 40 | gsmtap_hdr * header = (gsmtap_hdr *)message_plus_header; |
| 41 | uint8_t * msg_elements = (uint8_t *)(message_plus_header+sizeof(gsmtap_hdr)); |
| 42 | |
| 43 | uint8_t chan_type = header->sub_type; |
| 44 | |
| 45 | if (chan_type == GSMTAP_CHANNEL_BCCH && msg_elements[1] == 0x06) |
| 46 | { |
| 47 | int frame_nr = be32toh(header->frame_number); |
| 48 | |
| 49 | if (msg_elements[2] == 0x19) |
| 50 | { |
| 51 | d_framenumbers.push_back(frame_nr); |
| 52 | d_sit_types.push_back("System Information Type 1"); |
| 53 | d_sit_data.push_back(get_hex_string(msg_elements)); |
| 54 | } |
| 55 | else if (msg_elements[2] == 0x1a) |
| 56 | { |
| 57 | d_framenumbers.push_back(frame_nr); |
| 58 | d_sit_types.push_back("System Information Type 2"); |
| 59 | d_sit_data.push_back(get_hex_string(msg_elements)); |
| 60 | } |
| 61 | else if (msg_elements[2] == 0x1b) |
| 62 | { |
| 63 | d_framenumbers.push_back(frame_nr); |
| 64 | d_sit_types.push_back("System Information Type 3"); |
| 65 | d_sit_data.push_back(get_hex_string(msg_elements)); |
| 66 | } |
| 67 | else if (msg_elements[2] == 0x1c) |
| 68 | { |
| 69 | d_framenumbers.push_back(frame_nr); |
| 70 | d_sit_types.push_back("System Information Type 4"); |
| 71 | d_sit_data.push_back(get_hex_string(msg_elements)); |
| 72 | } |
| 73 | else if (msg_elements[2] == 0x02) |
| 74 | { |
| 75 | d_framenumbers.push_back(frame_nr); |
| 76 | d_sit_types.push_back("System Information Type 2bis"); |
| 77 | d_sit_data.push_back(get_hex_string(msg_elements)); |
| 78 | } |
| 79 | else if (msg_elements[2] == 0x03) |
| 80 | { |
| 81 | d_framenumbers.push_back(frame_nr); |
| 82 | d_sit_types.push_back("System Information Type 2ter"); |
| 83 | d_sit_data.push_back(get_hex_string(msg_elements)); |
| 84 | } |
| 85 | else if (msg_elements[2] == 0x07) |
| 86 | { |
| 87 | d_framenumbers.push_back(frame_nr); |
| 88 | d_sit_types.push_back("System Information Type 2quater"); |
| 89 | d_sit_data.push_back(get_hex_string(msg_elements)); |
| 90 | } |
| 91 | else if (msg_elements[2] == 0x00) |
| 92 | { |
| 93 | d_framenumbers.push_back(frame_nr); |
| 94 | d_sit_types.push_back("System Information Type 13"); |
| 95 | d_sit_data.push_back(get_hex_string(msg_elements)); |
| 96 | } |
| 97 | } |
Steve Glass | 263f00d | 2017-03-02 20:40:22 +1000 | [diff] [blame] | 98 | else if ((chan_type == (GSMTAP_CHANNEL_ACCH|GSMTAP_CHANNEL_SDCCH) |
| 99 | || chan_type == (GSMTAP_CHANNEL_ACCH|GSMTAP_CHANNEL_SDCCH4) |
| 100 | || chan_type == (GSMTAP_CHANNEL_ACCH|GSMTAP_CHANNEL_SDCCH8) |
| 101 | || chan_type == (GSMTAP_CHANNEL_ACCH|GSMTAP_CHANNEL_TCH_F) |
| 102 | || chan_type == (GSMTAP_CHANNEL_ACCH|GSMTAP_CHANNEL_TCH_H)) |
Roman Khassraf | 98581a8 | 2017-01-11 12:50:38 +0100 | [diff] [blame] | 103 | && msg_elements[5] == 0x06) |
| 104 | { |
| 105 | int frame_nr = be32toh(header->frame_number); |
| 106 | |
| 107 | if (msg_elements[6] == 0x1D) |
| 108 | { |
| 109 | d_framenumbers.push_back(frame_nr); |
| 110 | d_sit_types.push_back("System Information Type 5"); |
| 111 | d_sit_data.push_back(get_hex_string(msg_elements)); |
| 112 | } |
| 113 | else if (msg_elements[6] == 0x1E) |
| 114 | { |
| 115 | d_framenumbers.push_back(frame_nr); |
| 116 | d_sit_types.push_back("System Information Type 6"); |
| 117 | d_sit_data.push_back(get_hex_string(msg_elements)); |
| 118 | } |
| 119 | else if (msg_elements[6] == 0x05) |
| 120 | { |
| 121 | d_framenumbers.push_back(frame_nr); |
| 122 | d_sit_types.push_back("System Information Type 5bis"); |
| 123 | d_sit_data.push_back(get_hex_string(msg_elements)); |
| 124 | } |
| 125 | else if (msg_elements[6] == 0x06) |
| 126 | { |
| 127 | d_framenumbers.push_back(frame_nr); |
| 128 | d_sit_types.push_back("System Information Type 5ter"); |
| 129 | d_sit_data.push_back(get_hex_string(msg_elements)); |
| 130 | } |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | std::vector<int> collect_system_info_impl::get_framenumbers() |
| 135 | { |
| 136 | return d_framenumbers; |
| 137 | } |
| 138 | |
| 139 | std::vector<std::string> collect_system_info_impl::get_system_information_type() |
| 140 | { |
| 141 | return d_sit_types; |
| 142 | } |
| 143 | |
| 144 | std::vector<std::string> collect_system_info_impl::get_data() |
| 145 | { |
| 146 | return d_sit_data; |
| 147 | } |
| 148 | |
| 149 | std::string collect_system_info_impl::get_hex_string(uint8_t * msg_elements) |
| 150 | { |
| 151 | std::stringstream sstream; |
| 152 | for (int i=0; i<23; i++) |
| 153 | { |
| 154 | sstream << std::setfill ('0') << std::setw(2) << std::hex << static_cast<int>(msg_elements[i]); |
| 155 | } |
| 156 | return sstream.str(); |
| 157 | } |
| 158 | |
| 159 | collect_system_info::sptr |
| 160 | collect_system_info::make() |
| 161 | { |
| 162 | return gnuradio::get_initial_sptr |
| 163 | (new collect_system_info_impl()); |
| 164 | } |
| 165 | |
| 166 | /* |
| 167 | * The private constructor |
| 168 | */ |
| 169 | collect_system_info_impl::collect_system_info_impl() |
| 170 | : gr::block("collect_system_info", |
| 171 | gr::io_signature::make(0, 0, 0), |
| 172 | gr::io_signature::make(0, 0, 0)) |
| 173 | { |
| 174 | message_port_register_in(pmt::mp("msgs")); |
| 175 | set_msg_handler(pmt::mp("msgs"), boost::bind(&collect_system_info_impl::process_messages, this, _1)); |
| 176 | } |
| 177 | |
| 178 | /* |
| 179 | * Our virtual destructor. |
| 180 | */ |
| 181 | collect_system_info_impl::~collect_system_info_impl() |
| 182 | { |
| 183 | } |
| 184 | } /* namespace gsm */ |
| 185 | } /* namespace gr */ |