frame_sorter_impl.h

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/* -*- c++ -*- */
/*
 * Copyright 2021 gr-iridium author.
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 */
 
#ifndef INCLUDED_IRIDIUM_FRAME_SORTER_CPP_IMPL_H
#define INCLUDED_IRIDIUM_FRAME_SORTER_CPP_IMPL_H
 
#include <iridium/frame_sorter.h>
 
namespace gr {
namespace iridium {
 
class frame
{
public:
    // Needs to be a signed integer for std::abs to be available
    int64_t timestamp;
    double center_frequency;
 
    friend bool operator<(const frame& l, const frame& r)
    {
        return std::tie(l.timestamp, l.center_frequency) <
               std::tie(r.timestamp, r.center_frequency);
    }
};
 
 
class frame_sorter_impl : public frame_sorter
{
private:
    std::map<frame, pmt::pmt_t> frames;
 
    void handler(const pmt::pmt_t& msg);
 
 
public:
    frame_sorter_impl();
    ~frame_sorter_impl();
 
    bool stop();
 
    // Where all the action really happens
    int work(int noutput_items,
             gr_vector_const_void_star& input_items,
             gr_vector_void_star& output_items);
};
 
} // namespace iridium
} // namespace gr
 
#endif /* INCLUDED_IRIDIUM_FRAME_SORTER_CPP_IMPL_H */