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Implemented system info collection block

This commit is contained in:
Roman Khassraf 2017-01-11 12:50:38 +01:00
parent fcf7e347be
commit 98581a8e92
9 changed files with 321 additions and 0 deletions
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1
grc/gsm_block_tree.xml
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@ -54,6 +54,7 @@
<block>gsm_bursts_printer</block>
<block>gsm_burst_file_sink</block>
<block>gsm_burst_file_source</block>
<block>gsm_collect_system_info</block>
<block>gsm_message_file_sink</block>
<block>gsm_message_file_source</block>
<block>gsm_extract_system_info</block>

1
grc/misc_utils/CMakeLists.txt
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@ -20,6 +20,7 @@
install(FILES
gsm_extract_system_info.xml
gsm_extract_immediate_assignment.xml
gsm_collect_system_info.xml
gsm_controlled_rotator_cc.xml
gsm_message_printer.xml
gsm_bursts_printer.xml

20
grc/misc_utils/gsm_collect_system_info.xml Executable file
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@ -0,0 +1,20 @@
<?xml version="1.0"?>
<block>
<name>Collect System Info</name>
<key>gsm_collect_system_info</key>
<import>import grgsm</import>
<make>grgsm.collect_system_info()</make>
<sink>
<name>msgs</name>
<type>message</type>
</sink>
<doc>
This blocks collect System Information Messages, which can be retrieved using the following methods:
get_framenumbers(): Get the list with the framenumbers of the System Information Messages
get_system_information_type(): Get the types of the System Information Messages
get_data(): Get the whole System Information Messages in Hex representation
</doc>
</block>

1
include/grgsm/misc_utils/CMakeLists.txt
View File

@ -24,6 +24,7 @@ install(FILES
bursts_printer.h
burst_file_source.h
burst_file_sink.h
collect_system_info.h
message_file_sink.h
message_file_source.h
extract_system_info.h

60
include/grgsm/misc_utils/collect_system_info.h Executable file
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@ -0,0 +1,60 @@
/* -*- c++ -*- */
/*
* @file
* @author 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.
*/
#ifndef INCLUDED_GSM_COLLECT_SYSTEM_INFO_H
#define INCLUDED_GSM_COLLECT_SYSTEM_INFO_H
#include <grgsm/api.h>
#include <gnuradio/block.h>
#include <vector>
namespace gr {
namespace gsm {
/*!
* \brief <+description of block+>
* \ingroup gsm
*
*/
class GRGSM_API collect_system_info : virtual public gr::block
{
public:
typedef boost::shared_ptr<collect_system_info> sptr;
/*!
* \brief Return a shared_ptr to a new instance of gsm::collect_system_info.
*
* To avoid accidental use of raw pointers, gsm::collect_system_info's
* constructor is in a private implementation
* class. gsm::collect_system_info::make is the public interface for
* creating new instances.
*/
static sptr make();
virtual std::vector<int> get_framenumbers() = 0;
virtual std::vector<std::string> get_system_information_type() = 0;
virtual std::vector<std::string> get_data() = 0;
};
} // namespace gsm
} // namespace gr
#endif /* INCLUDED_GSM_COLLECT_SYSTEM_INFO_H */

1
lib/CMakeLists.txt
View File

@ -50,6 +50,7 @@ list(APPEND grgsm_sources
flow_control/burst_fnr_filter_impl.cc
flow_control/dummy_burst_filter_impl.cc
flow_control/uplink_downlink_splitter_impl.cc
misc_utils/collect_system_info_impl.cc
misc_utils/controlled_rotator_cc_impl.cc
misc_utils/controlled_fractional_resampler_cc_impl.cc
misc_utils/msg_to_tag_impl.cc

185
lib/misc_utils/collect_system_info_impl.cc Executable file
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@ -0,0 +1,185 @@
/* -*- c++ -*- */
/*
* @file
* @author 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 <grgsm/gsmtap.h>
#include <unistd.h>
#include <grgsm/endian.h>
#include "collect_system_info_impl.h"
namespace gr {
namespace gsm {
void collect_system_info_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));
uint8_t chan_type = header->sub_type;
if (chan_type == GSMTAP_CHANNEL_BCCH && msg_elements[1] == 0x06)
{
int frame_nr = be32toh(header->frame_number);
if (msg_elements[2] == 0x19)
{
d_framenumbers.push_back(frame_nr);
d_sit_types.push_back("System Information Type 1");
d_sit_data.push_back(get_hex_string(msg_elements));
}
else if (msg_elements[2] == 0x1a)
{
d_framenumbers.push_back(frame_nr);
d_sit_types.push_back("System Information Type 2");
d_sit_data.push_back(get_hex_string(msg_elements));
}
else if (msg_elements[2] == 0x1b)
{
d_framenumbers.push_back(frame_nr);
d_sit_types.push_back("System Information Type 3");
d_sit_data.push_back(get_hex_string(msg_elements));
}
else if (msg_elements[2] == 0x1c)
{
d_framenumbers.push_back(frame_nr);
d_sit_types.push_back("System Information Type 4");
d_sit_data.push_back(get_hex_string(msg_elements));
}
else if (msg_elements[2] == 0x02)
{
d_framenumbers.push_back(frame_nr);
d_sit_types.push_back("System Information Type 2bis");
d_sit_data.push_back(get_hex_string(msg_elements));
}
else if (msg_elements[2] == 0x03)
{
d_framenumbers.push_back(frame_nr);
d_sit_types.push_back("System Information Type 2ter");
d_sit_data.push_back(get_hex_string(msg_elements));
}
else if (msg_elements[2] == 0x07)
{
d_framenumbers.push_back(frame_nr);
d_sit_types.push_back("System Information Type 2quater");
d_sit_data.push_back(get_hex_string(msg_elements));
}
else if (msg_elements[2] == 0x00)
{
d_framenumbers.push_back(frame_nr);
d_sit_types.push_back("System Information Type 13");
d_sit_data.push_back(get_hex_string(msg_elements));
}
}
else if ((chan_type == GSMTAP_CHANNEL_ACCH|GSMTAP_CHANNEL_SDCCH
|| chan_type == GSMTAP_CHANNEL_ACCH|GSMTAP_CHANNEL_SDCCH4
|| chan_type == GSMTAP_CHANNEL_ACCH|GSMTAP_CHANNEL_SDCCH8
|| chan_type == GSMTAP_CHANNEL_ACCH|GSMTAP_CHANNEL_TCH_F
|| chan_type == GSMTAP_CHANNEL_ACCH|GSMTAP_CHANNEL_TCH_H)
&& msg_elements[5] == 0x06)
{
int frame_nr = be32toh(header->frame_number);
if (msg_elements[6] == 0x1D)
{
d_framenumbers.push_back(frame_nr);
d_sit_types.push_back("System Information Type 5");
d_sit_data.push_back(get_hex_string(msg_elements));
}
else if (msg_elements[6] == 0x1E)
{
d_framenumbers.push_back(frame_nr);
d_sit_types.push_back("System Information Type 6");
d_sit_data.push_back(get_hex_string(msg_elements));
}
else if (msg_elements[6] == 0x05)
{
d_framenumbers.push_back(frame_nr);
d_sit_types.push_back("System Information Type 5bis");
d_sit_data.push_back(get_hex_string(msg_elements));
}
else if (msg_elements[6] == 0x06)
{
d_framenumbers.push_back(frame_nr);
d_sit_types.push_back("System Information Type 5ter");
d_sit_data.push_back(get_hex_string(msg_elements));
}
}
}
std::vector<int> collect_system_info_impl::get_framenumbers()
{
return d_framenumbers;
}
std::vector<std::string> collect_system_info_impl::get_system_information_type()
{
return d_sit_types;
}
std::vector<std::string> collect_system_info_impl::get_data()
{
return d_sit_data;
}
std::string collect_system_info_impl::get_hex_string(uint8_t * msg_elements)
{
std::stringstream sstream;
for (int i=0; i<23; i++)
{
sstream << std::setfill ('0') << std::setw(2) << std::hex << static_cast<int>(msg_elements[i]);
}
return sstream.str();
}
collect_system_info::sptr
collect_system_info::make()
{
return gnuradio::get_initial_sptr
(new collect_system_info_impl());
}
/*
* The private constructor
*/
collect_system_info_impl::collect_system_info_impl()
: gr::block("collect_system_info",
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(&collect_system_info_impl::process_messages, this, _1));
}
/*
* Our virtual destructor.
*/
collect_system_info_impl::~collect_system_info_impl()
{
}
} /* namespace gsm */
} /* namespace gr */

49
lib/misc_utils/collect_system_info_impl.h Executable file
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@ -0,0 +1,49 @@
/* -*- c++ -*- */
/*
* @file
* @author 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.
*/
#ifndef INCLUDED_GSM_COLLECT_SYSTEM_INFO_IMPL_H
#define INCLUDED_GSM_COLLECT_SYSTEM_INFO_IMPL_H
#include <grgsm/misc_utils/collect_system_info.h>
#include <vector>
namespace gr {
namespace gsm {
class collect_system_info_impl : public collect_system_info
{
private:
void process_messages(pmt::pmt_t msg);
std::vector<int> d_framenumbers;
std::vector<std::string> d_sit_types;
std::vector<std::string> d_sit_data;
std::string get_hex_string(uint8_t * msg_elements);
public:
virtual std::vector<int> get_framenumbers();
virtual std::vector<std::string> get_system_information_type();
virtual std::vector<std::string> get_data();
collect_system_info_impl();
~collect_system_info_impl();
};
} // namespace gsm
} // namespace gr
#endif /* INCLUDED_GSM_COLLECT_SYSTEM_INFO_IMPL_H */

3
swig/grgsm_swig.i
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@ -31,6 +31,7 @@
#include "grgsm/misc_utils/tmsi_dumper.h"
#include "grgsm/misc_utils/burst_file_sink.h"
#include "grgsm/misc_utils/burst_file_source.h"
#include "grgsm/misc_utils/collect_system_info.h"
#include "grgsm/qa_utils/burst_sink.h"
#include "grgsm/qa_utils/burst_source.h"
#include "grgsm/qa_utils/message_source.h"
@ -83,6 +84,8 @@ GR_SWIG_BLOCK_MAGIC2(gsm, bursts_printer);
GR_SWIG_BLOCK_MAGIC2(gsm, burst_file_sink);
%include "grgsm/misc_utils/burst_file_source.h"
GR_SWIG_BLOCK_MAGIC2(gsm, burst_file_source);
%include "grgsm/misc_utils/collect_system_info.h"
GR_SWIG_BLOCK_MAGIC2(gsm, collect_system_info);
%include "grgsm/misc_utils/extract_system_info.h"
GR_SWIG_BLOCK_MAGIC2(gsm, extract_system_info);
%include "grgsm/misc_utils/extract_immediate_assignment.h"