diff --git a/grc/gsm_block_tree.xml b/grc/gsm_block_tree.xml
index f9ff1ff..bb705c9 100644
--- a/grc/gsm_block_tree.xml
+++ b/grc/gsm_block_tree.xml
@@ -54,6 +54,7 @@
gsm_bursts_printer
gsm_burst_file_sink
gsm_burst_file_source
+ gsm_collect_system_info
gsm_message_file_sink
gsm_message_file_source
gsm_extract_system_info
diff --git a/grc/misc_utils/CMakeLists.txt b/grc/misc_utils/CMakeLists.txt
index 7bdf894..43c3960 100644
--- a/grc/misc_utils/CMakeLists.txt
+++ b/grc/misc_utils/CMakeLists.txt
@@ -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
diff --git a/grc/misc_utils/gsm_collect_system_info.xml b/grc/misc_utils/gsm_collect_system_info.xml
new file mode 100755
index 0000000..bad0396
--- /dev/null
+++ b/grc/misc_utils/gsm_collect_system_info.xml
@@ -0,0 +1,20 @@
+
+
+ Collect System Info
+ gsm_collect_system_info
+ import grgsm
+ grgsm.collect_system_info()
+
+ msgs
+ message
+
+
+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
+
+
diff --git a/include/grgsm/misc_utils/CMakeLists.txt b/include/grgsm/misc_utils/CMakeLists.txt
index d21dcca..d603a01 100644
--- a/include/grgsm/misc_utils/CMakeLists.txt
+++ b/include/grgsm/misc_utils/CMakeLists.txt
@@ -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
diff --git a/include/grgsm/misc_utils/collect_system_info.h b/include/grgsm/misc_utils/collect_system_info.h
new file mode 100755
index 0000000..95871d5
--- /dev/null
+++ b/include/grgsm/misc_utils/collect_system_info.h
@@ -0,0 +1,60 @@
+/* -*- c++ -*- */
+/*
+ * @file
+ * @author Roman Khassraf
+ * @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
+#include
+#include
+
+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 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 get_framenumbers() = 0;
+ virtual std::vector get_system_information_type() = 0;
+ virtual std::vector get_data() = 0;
+ };
+ } // namespace gsm
+} // namespace gr
+
+#endif /* INCLUDED_GSM_COLLECT_SYSTEM_INFO_H */
diff --git a/lib/CMakeLists.txt b/lib/CMakeLists.txt
index 660bbfd..6e00442 100644
--- a/lib/CMakeLists.txt
+++ b/lib/CMakeLists.txt
@@ -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
diff --git a/lib/misc_utils/collect_system_info_impl.cc b/lib/misc_utils/collect_system_info_impl.cc
new file mode 100755
index 0000000..74ea170
--- /dev/null
+++ b/lib/misc_utils/collect_system_info_impl.cc
@@ -0,0 +1,185 @@
+/* -*- c++ -*- */
+/*
+ * @file
+ * @author Roman Khassraf
+ * @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
+#include
+#include
+#include
+
+#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 collect_system_info_impl::get_framenumbers()
+ {
+ return d_framenumbers;
+ }
+
+ std::vector collect_system_info_impl::get_system_information_type()
+ {
+ return d_sit_types;
+ }
+
+ std::vector 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(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 */
diff --git a/lib/misc_utils/collect_system_info_impl.h b/lib/misc_utils/collect_system_info_impl.h
new file mode 100755
index 0000000..df017f6
--- /dev/null
+++ b/lib/misc_utils/collect_system_info_impl.h
@@ -0,0 +1,49 @@
+/* -*- c++ -*- */
+/*
+ * @file
+ * @author Roman Khassraf
+ * @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
+#include
+
+namespace gr {
+ namespace gsm {
+ class collect_system_info_impl : public collect_system_info
+ {
+ private:
+ void process_messages(pmt::pmt_t msg);
+ std::vector d_framenumbers;
+ std::vector d_sit_types;
+ std::vector d_sit_data;
+ std::string get_hex_string(uint8_t * msg_elements);
+ public:
+ virtual std::vector get_framenumbers();
+ virtual std::vector get_system_information_type();
+ virtual std::vector get_data();
+ collect_system_info_impl();
+ ~collect_system_info_impl();
+ };
+ } // namespace gsm
+} // namespace gr
+
+#endif /* INCLUDED_GSM_COLLECT_SYSTEM_INFO_IMPL_H */
diff --git a/swig/grgsm_swig.i b/swig/grgsm_swig.i
index ca987b8..4c981a7 100644
--- a/swig/grgsm_swig.i
+++ b/swig/grgsm_swig.i
@@ -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"