/*
 * Copyright (c) 2020, University of Kaiserslautern
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * Authors:
 *    Lukas Steiner
 */

#ifndef SOCKETCOUPLER_H
#define SOCKETCOUPLER_H

#include <systemc>
#include <tlm_utils/simple_target_socket.h>
#include <tlm_utils/multi_passthrough_initiator_socket.h>

template<unsigned T = 1>
class SocketCoupler : public sc_core::sc_module
{
public:
    SocketCoupler(sc_core::sc_module_name name) : sc_core::sc_module(name)
    {
        for (unsigned i = 0; i < T; i++)
        {
            tSocket[i].register_nb_transport_fw(this, &SocketCoupler<T>::nb_transport_fw, i);
            tSocket[i].register_transport_dbg(this, &SocketCoupler<T>::transport_dbg, i);
        }
        iSocket.register_nb_transport_bw(this, &SocketCoupler<T>::nb_transport_bw);
    }

    tlm_utils::simple_target_socket_tagged<SocketCoupler> tSocket[T];
    tlm_utils::multi_passthrough_initiator_socket<SocketCoupler> iSocket;

private:
    tlm::tlm_sync_enum nb_transport_fw(int id, tlm::tlm_generic_payload &payload,
                                  tlm::tlm_phase &phase, sc_core::sc_time &delay)
    {
        return iSocket[id]->nb_transport_fw(payload, phase, delay);
    }

    unsigned transport_dbg(int id, tlm::tlm_generic_payload &trans)
    {
        return iSocket[id]->transport_dbg(trans);
    }

    tlm::tlm_sync_enum nb_transport_bw(int id, tlm::tlm_generic_payload &payload,
                                  tlm::tlm_phase &phase, sc_core::sc_time &delay)
    {
        return tSocket[id]->nb_transport_bw(payload, phase, delay);
    }
};

#endif // SOCKETCOUPLER_H
