/* -*- c++ -*- */
/*
 * Copyright 2013 Free Software Foundation, Inc.
 *
 * This file is part of GNU Radio
 *
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 */

#ifndef INCLUDED_RUNTIME_BLOCK_GATEWAY_IMPL_H
#define INCLUDED_RUNTIME_BLOCK_GATEWAY_IMPL_H

#include <gnuradio/block_gateway.h>

namespace gr {

/***********************************************************************
 * The gr::block gateway implementation class
 **********************************************************************/
class block_gateway_impl : public block_gateway
{
public:
    block_gateway_impl(feval_ll* handler,
                       const std::string& name,
                       gr::io_signature::sptr in_sig,
                       gr::io_signature::sptr out_sig,
                       const block_gw_work_type work_type,
                       const unsigned factor);

    /*******************************************************************
     * Overloads for various scheduler-called functions
     ******************************************************************/
    void forecast(int noutput_items, gr_vector_int& ninput_items_required);

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

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

    int fixed_rate_noutput_to_ninput(int noutput_items);
    int fixed_rate_ninput_to_noutput(int ninput_items);

    bool start(void);
    bool stop(void);

    block_gw_message_type& block_message(void);

private:
    feval_ll* _handler;
    block_gw_message_type _message;
    const block_gw_work_type _work_type;
    unsigned _decim, _interp;
};

} /* namespace gr */

#endif /* INCLUDED_RUNTIME_BLOCK_GATEWAY_H */