/* -*- c++ -*- */
/*
 * Copyright 2013 Free Software Foundation, Inc.
 *
 * This file is part of GNU Radio
 *
 * GNU Radio 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.
 *
 * GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef INCLUDED_DIGITAL_OFDM_CARRIER_ALLOCATOR_CVC_IMPL_H
#define INCLUDED_DIGITAL_OFDM_CARRIER_ALLOCATOR_CVC_IMPL_H

#include <gnuradio/digital/ofdm_carrier_allocator_cvc.h>

namespace gr {
namespace digital {

class ofdm_carrier_allocator_cvc_impl : public ofdm_carrier_allocator_cvc
{
private:
    //! FFT length
    const int d_fft_len;
    //! Which carriers/symbols carry data
    std::vector<std::vector<int>> d_occupied_carriers;
    //! Which carriers/symbols carry pilots symbols
    std::vector<std::vector<int>> d_pilot_carriers;
    //! Value of said pilot symbols
    const std::vector<std::vector<gr_complex>> d_pilot_symbols;
    //! Synch words
    const std::vector<std::vector<gr_complex>> d_sync_words;
    int d_symbols_per_set;
    const bool d_output_is_shifted;

protected:
    int calculate_output_stream_length(const gr_vector_int& ninput_items);

public:
    ofdm_carrier_allocator_cvc_impl(
        int fft_len,
        const std::vector<std::vector<int>>& occupied_carriers,
        const std::vector<std::vector<int>>& pilot_carriers,
        const std::vector<std::vector<gr_complex>>& pilot_symbols,
        const std::vector<std::vector<gr_complex>>& sync_words,
        const std::string& len_tag_key,
        const bool output_is_shifted);
    ~ofdm_carrier_allocator_cvc_impl();

    std::string len_tag_key() { return d_length_tag_key_str; };

    const int fft_len() { return d_fft_len; };
    std::vector<std::vector<int>> occupied_carriers() { return d_occupied_carriers; };

    int work(int noutput_items,
             gr_vector_int& ninput_items,
             gr_vector_const_void_star& input_items,
             gr_vector_void_star& output_items);
};

} // namespace digital
} // namespace gr

#endif /* INCLUDED_DIGITAL_OFDM_CARRIER_ALLOCATOR_CVC_IMPL_H */
