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/* -*- 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 "burst_sink_impl.h"
#include <stdio.h>
#include <sstream>
#include <grgsm/endian.h>
#include <grgsm/gsmtap.h>
namespace gr {
namespace gsm {
burst_sink::sptr
burst_sink::make()
{
return gnuradio::get_initial_sptr
(new burst_sink_impl());
}
/*
* The private constructor
*/
burst_sink_impl::burst_sink_impl()
: gr::block("burst_sink",
gr::io_signature::make(0, 0, 0),
gr::io_signature::make(0, 0, 0))
{
message_port_register_in(pmt::mp("in"));
set_msg_handler(pmt::mp("in"), boost::bind(&burst_sink_impl::process_burst, this, _1));
}
/*
* Our virtual destructor.
*/
burst_sink_impl::~burst_sink_impl()
{
// for (int i=0; i<d_burst_data.size(); i++)
// {
// std::cout << d_framenumbers[i] << " " << d_timeslots[i] << " " << d_burst_data[i] << std::endl;
// }
}
void burst_sink_impl::process_burst(pmt::pmt_t msg)
{
pmt::pmt_t header_plus_burst = pmt::cdr(msg);
gsmtap_hdr * header = (gsmtap_hdr *)pmt::blob_data(header_plus_burst);
int8_t * burst = (int8_t *)(pmt::blob_data(header_plus_burst))+sizeof(gsmtap_hdr);
size_t burst_len=pmt::blob_length(header_plus_burst)-sizeof(gsmtap_hdr);
uint32_t frame_nr = be32toh(header->frame_number);
std::stringstream burst_str;
for(int i=0; i<burst_len; i++)
{
if (static_cast<int>(burst[i]) == 0)
{
burst_str << "0";
}
else
{
burst_str << "1";
}
}
d_framenumbers.push_back(frame_nr);
d_timeslots.push_back(header->timeslot);
d_burst_data.push_back(burst_str.str());
}
std::vector<int> burst_sink_impl::get_framenumbers()
{
return d_framenumbers;
}
std::vector<int> burst_sink_impl::get_timeslots()
{
return d_timeslots;
}
std::vector<std::string> burst_sink_impl::get_burst_data()
{
return d_burst_data;
}
} /* namespace gsm */
} /* namespace gr */
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