diagnostic_port.hh

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#pragma once
 
#include <DiFfRG/discretization/data/output_path.hh>
 
#include <initializer_list>
#include <memory>
#include <string>
#include <utility>
#include <vector>
 
namespace DiFfRG
{
  class DiagnosticPort
  {
  public:
    using Field = std::pair<std::string, double>;
    using Record = std::vector<Field>;
 
    DiagnosticPort() = default;
 
    void record(const std::string &table, double time, const Record &fields) const;
    void record(const std::string &table, double time, std::initializer_list<Field> fields) const;
    void scalar(const std::string &table, const std::string &name, double time, double value) const;
    void write_text(const std::string &relative_path, const std::string &contents) const;
 
    explicit operator bool() const noexcept { return static_cast<bool>(state); }
 
  private:
    struct State;
    explicit DiagnosticPort(std::shared_ptr<State> state) : state(std::move(state)) {}
 
    static DiagnosticPort create(const OutputPath &path, double Lambda, bool active);
 
    std::shared_ptr<State> state;
 
    template <unsigned int, typename> friend class OutputSession_impl;
  };
} // namespace DiFfRG