/* -*- c++ -*- */
/* 
 * Copyright 2014 <+YOU OR YOUR COMPANY+>.
 * 
 * This 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.
 * 
 * This software 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 this software; 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_to_power_impl.h"


namespace gr {
  namespace gsm_measure {

    burst_to_power::sptr
    burst_to_power::make()
    {
      return gnuradio::get_initial_sptr
        (new burst_to_power_impl());
    }

    /*
     * The private constructor
     */
    burst_to_power_impl::burst_to_power_impl()
      : gr::block("burst_to_power",
              gr::io_signature::make(0,0,0),
              gr::io_signature::make(0,0,0))
    {
            message_port_register_in(pmt::mp("bursts"));
            message_port_register_out(pmt::mp("power"));
            set_msg_handler(pmt::mp("bursts"), boost::bind(&burst_to_power_impl::to_power, this, _1));

  }

    /*
     * Our virtual destructor.
     */
    burst_to_power_impl::~burst_to_power_impl()
    {
    }

    void burst_to_power_impl::to_power(pmt::pmt_t pmt_vector){
        std::vector <gr_complex> burst;
        double power = 0;

        if (pmt::is_c32vector(pmt_vector)){
            //std::cout << "It's a c32vector, computing power " << std::endl;
            burst = pmt::c32vector_elements(pmt_vector);
            for (int i = 0; i < burst.size(); i++){
                power = power + std::norm(burst.at(i));
            }
            power = power/burst.size();
            message_port_pub(pmt::mp("power"), pmt::from_double(power));
        }
        else std::cout << "Not a c32vector!!! Check your flowgraph" << std::endl;
    }





  } /* namespace gsm_measure */
} /* namespace gr */