osnma_helper.h

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/*!
 * \file osnma_helper.h
 * \brief Class for auxiliary osnma functions
 * \author Carles Fernandez-Prades, 2024 cfernandez(at)cttc.es
 *
 * -----------------------------------------------------------------------------
 *
 * GNSS-SDR is a Global Navigation Satellite System software-defined receiver.
 * This file is part of GNSS-SDR.
 *
 * Copyright (C) 2010-2023  (see AUTHORS file for a list of contributors)
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * -----------------------------------------------------------------------------
 */

#ifndef GNSS_SDR_OSNMA_HELPER_H
#define GNSS_SDR_OSNMA_HELPER_H


#include <cstdint>
#include <ctime>
#include <string>
#include <vector>

/** \addtogroup Core
 * \{ */
/** \addtogroup Core_Receiver_Library
 * \{ */

class Osnma_Helper
{
public:
    Osnma_Helper();
    ~Osnma_Helper() = default;
    uint32_t compute_gst(uint32_t WN, uint32_t TOW) const;
    uint32_t compute_gst(std::tm& input);
    uint32_t compute_gst_now();
    uint32_t get_WN(uint32_t GST) const;
    uint32_t get_TOW(uint32_t GST) const;
    std::vector<uint8_t> gst_to_uint8(uint32_t GST) const;
    std::vector<uint8_t> bytes(const std::string& binaryString) const;
    std::string verification_status_str(int status) const;
    std::string convert_to_hex_string(const std::vector<uint8_t>& vector) const;
    std::vector<uint8_t> convert_from_hex_string(const std::string& hex_string) const;  // TODO remove similar function in gnss_crypto
    std::tm GST_START_EPOCH{};
};

/** \} */
/** \} */
#endif  // GNSS_SDR_OSNMA_HELPER_H