dpPart.hpp

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/**
 * @file
 * @ingroup daq_common_libdaq
 * @copyright 2022 ESO - European Southern Observatory
 *
 * @brief Contains declaration for DpPart
 */
#ifndef OCM_DAQ_DP_PART_HPP_
#define OCM_DAQ_DP_PART_HPP_
 
#include <string>
#include <variant>
#include <vector>
#include <iosfwd>
 
#include <daq/fits/keyword.hpp>
 
namespace daq {
 
/**
 * Provides information of the location and origin of a FITS file or keywords produced by a data
 * acquisition.
 *
 * @ingroup daq_common_libdaq
 */
struct DpPart {
    DpPart(std::string origin, std::string path) noexcept;
    DpPart(std::string origin, fits::KeywordVector keywords) noexcept;
    DpPart() = default;
    DpPart(DpPart const&) = default;
    DpPart(DpPart&&) noexcept = default;
    DpPart& operator=(DpPart const&) = default;
    DpPart& operator=(DpPart&&) noexcept = default;
 
    bool operator==(DpPart const& rhs) const noexcept;
    bool operator!=(DpPart const& rhs) const noexcept;
 
    /**
     * Component/process origin of the file
     */
    std::string origin;
 
    /**
     * Holds a std::string path `[[user]@host:]path` or FITS keywords.
     */
    std::variant<std::string, fits::KeywordVector> info;
};
 
using DpParts = std::vector<DpPart>;
 
std::ostream& operator<<(std::ostream& os, DpPart const& part) noexcept;
 
} // namespace daq
 
#endif // #define OCM_DAQ_DP_PART_HPP_