/* -*- c++ -*- */
/* 
 * Copyright 2016 <+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 "strend_ff_impl.h"

namespace gr {
  namespace create_tags {

    strend_ff::sptr
    strend_ff::make(float dblevels)
    {
      return gnuradio::get_initial_sptr
        (new strend_ff_impl(dblevels));
    }

    /*
     * The private constructor
     */
    strend_ff_impl::strend_ff_impl(float dblevels)
      : gr::sync_block("strend_ff",
              gr::io_signature::make(1, 1, sizeof(float)),
              gr::io_signature::make(1, 1, sizeof(float))),d_dblevels(dblevels)
    {
d_time_var=0;
    }

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

    int
    strend_ff_impl::work(int noutput_items,
			  gr_vector_const_void_star &input_items,
			  gr_vector_void_star &output_items)
    {
        const float *in = (const float *) input_items[0];
        float *out = (float *) output_items[0];
        //static int s_samples;
        //static int s_start;
            for (int i =0 ; i < noutput_items ; i++){
            out[i]=10*log10(in[i]);
            if ( out[i] > d_dblevels ) {
            struct timespec ts;
            clock_gettime(CLOCK_MONOTONIC,  &ts);
            long d_time_var=ts.tv_nsec;
            strend_ff_impl::s_start=0;
            strend_ff_impl::s_samples=nitems_written(0)+i;
            if(strend_ff_impl::s_start=0){
              pmt::pmt_t val=pmt::from_long(d_time_var);
              pmt::pmt_t key=pmt::string_to_symbol("Start time");
              pmt::pmt_t scrid=pmt::string_to_symbol(this->name());
              add_item_tag(0, strend_ff_impl::s_samples, key, val, scrid);
              strend_ff_impl::s_start=1;
           }
          }
           if(strend_ff_impl::s_start == 1){
            if(((nitems_written(0)+i)-strend_ff_impl::s_samples) >= 100){
              pmt::pmt_t val=pmt::from_long(d_time_var);
              pmt::pmt_t key=pmt::string_to_symbol("End time");
              pmt::pmt_t scrid=pmt::string_to_symbol(this->name());
              add_item_tag(0, strend_ff_impl::s_samples, key, val, scrid);
              strend_ff_impl::s_start=0;
           }
         }
       }

        // Do <+signal processing+>

        // Tell runtime system how many output items we produced.
        return noutput_items;
    }

  } /* namespace create_tags */
} /* namespace gr */