gnss-sdr/src/core/interfaces/gnss_block_interface.h

108 lines
3.2 KiB
C++

/*!
* \file gnss_block_interface.h
* \brief This interface represents a GNSS block.
* \author Carlos Aviles, 2010. carlos.avilesr(at)googlemail.com
*
* Abstract class for GNSS block interfaces. Since all its methods are virtual,
* this class cannot be instantiated directly, and a subclass can only be
* instantiated directly if all inherited pure virtual methods have been
* implemented by that class or a parent class.
*
* -----------------------------------------------------------------------------
*
* GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
* This file is part of GNSS-SDR.
*
* Copyright (C) 2010-2020 (see AUTHORS file for a list of contributors)
* SPDX-License-Identifier: GPL-3.0-or-later
*
* -----------------------------------------------------------------------------
*/
#ifndef GNSS_SDR_GNSS_BLOCK_INTERFACE_H
#define GNSS_SDR_GNSS_BLOCK_INTERFACE_H
#include <gnuradio/top_block.h>
#include <cassert>
#include <string>
#include <utility> // for std::forward
/** \addtogroup Core
* \{ */
/** \addtogroup GNSS_Block_Interfaces
* \{ */
// clang-format off
#if GNURADIO_USES_STD_POINTERS
#include <memory>
template <typename T>
using gnss_shared_ptr = std::shared_ptr<T>;
template <typename C, typename... Args>
gnss_shared_ptr<C> gnss_make_shared(Args &&... args)
{
return std::make_shared<C>(std::forward<Args>(args)...);
}
#else
#include <boost/make_shared.hpp>
#include <boost/shared_ptr.hpp>
template <typename T>
using gnss_shared_ptr = boost::shared_ptr<T>;
template <typename C, typename... Args>
gnss_shared_ptr<C> gnss_make_shared(Args &&... args)
{
return boost::make_shared<C>(std::forward<Args>(args)...);
}
#endif
// clang-format on
/*!
* \brief This abstract class represents an interface to GNSS blocks.
*
* Abstract class for GNSS block interfaces. Since all its methods are virtual,
* this class cannot be instantiated directly, and a subclass can only be
* instantiated directly if all inherited pure virtual methods have been
* implemented by that class or a parent class.
*/
class GNSSBlockInterface
{
public:
virtual ~GNSSBlockInterface() = default;
virtual std::string role() = 0;
virtual std::string implementation() = 0;
virtual size_t item_size() = 0;
virtual void connect(gr::top_block_sptr top_block) = 0;
virtual void disconnect(gr::top_block_sptr top_block) = 0;
virtual gr::basic_block_sptr get_left_block() = 0;
virtual gr::basic_block_sptr get_right_block() = 0;
virtual gr::basic_block_sptr get_left_block(int RF_channel)
{
assert(RF_channel >= 0);
if (RF_channel == 0)
{
}; // avoid unused param warning
return nullptr; // added to support raw array access (non pure virtual to allow left unimplemented)= 0;
}
virtual gr::basic_block_sptr get_right_block(int RF_channel)
{
assert(RF_channel >= 0);
if (RF_channel == 0)
{
}; // avoid unused param warning
return nullptr; // added to support raw array access (non pure virtual to allow left unimplemented)= 0;
}
/*!
* \brief Start the flow of samples if needed.
*/
virtual void start(){};
};
/** \} */
/** \} */
#endif // GNSS_SDR_GNSS_BLOCK_INTERFACE_H