126 lines
3.4 KiB
C++
126 lines
3.4 KiB
C++
/* -*- c++ -*- */
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/* @file
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* @author (C) 2015 by Roman Khassraf <rkhassraf@gmail.com>
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* @section LICENSE
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*
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* Gr-gsm is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* Gr-gsm is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with gr-gsm; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gnuradio/io_signature.h>
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#include "burst_sink_impl.h"
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#include <stdio.h>
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#include <sstream>
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#include <grgsm/endian.h>
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#include <grgsm/gsmtap.h>
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namespace gr {
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namespace gsm {
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burst_sink::sptr
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burst_sink::make()
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{
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return gnuradio::get_initial_sptr
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(new burst_sink_impl());
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}
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/*
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* The private constructor
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*/
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burst_sink_impl::burst_sink_impl()
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: gr::block("burst_sink",
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gr::io_signature::make(0, 0, 0),
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gr::io_signature::make(0, 0, 0)),
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d_bursts(pmt::PMT_NIL)
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{
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message_port_register_in(pmt::mp("in"));
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set_msg_handler(pmt::mp("in"), boost::bind(&burst_sink_impl::process_burst, this, boost::placeholders::_1));
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}
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/*
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* Our virtual destructor.
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*/
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burst_sink_impl::~burst_sink_impl()
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{
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// for (int i=0; i<d_burst_data.size(); i++)
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// {
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// std::cout << d_framenumbers[i] << " " << d_timeslots[i] << " " << d_burst_data[i] << std::endl;
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// }
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}
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void burst_sink_impl::process_burst(pmt::pmt_t msg)
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{
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pmt::pmt_t header_plus_burst = pmt::cdr(msg);
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gsmtap_hdr * header = (gsmtap_hdr *)pmt::blob_data(header_plus_burst);
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int8_t * burst = (int8_t *)(pmt::blob_data(header_plus_burst))+sizeof(gsmtap_hdr);
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size_t burst_len=pmt::blob_length(header_plus_burst)-sizeof(gsmtap_hdr);
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uint32_t frame_nr = be32toh(header->frame_number);
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std::stringstream burst_str;
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for(int i=0; i<burst_len; i++)
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{
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if (static_cast<int>(burst[i]) == 0)
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{
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burst_str << "0";
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}
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else
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{
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burst_str << "1";
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}
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}
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d_framenumbers.push_back(frame_nr);
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d_timeslots.push_back(header->timeslot);
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d_burst_data.push_back(burst_str.str());
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d_sub_types.push_back(header->sub_type);
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d_sub_slots.push_back(header->sub_slot);
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}
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std::vector<int> burst_sink_impl::get_framenumbers()
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{
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return d_framenumbers;
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}
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std::vector<int> burst_sink_impl::get_timeslots()
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{
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return d_timeslots;
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}
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std::vector<std::string> burst_sink_impl::get_burst_data()
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{
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return d_burst_data;
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}
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pmt::pmt_t burst_sink_impl::get_bursts()
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{
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return d_bursts;
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}
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std::vector<uint8_t> burst_sink_impl::get_sub_types()
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{
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return d_sub_types;
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}
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std::vector<uint8_t> burst_sink_impl::get_sub_slots()
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{
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return d_sub_slots;
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}
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} /* namespace gsm */
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} /* namespace gr */
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