fallback_logger_backend.h

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// BSD 3-Clause License
// Copyright (c) 2025, 🍀☀🌕🌥 🌊
// See the LICENSE file in the project root for full license information.
 
#pragma once
 
#include "logger_backend.h"
 
#include <fstream>
#include <mutex>
 
namespace database
{
namespace integrated
{
namespace adapters
{
namespace backends
{
 
class fallback_logger_backend : public logger_backend
{
public:
    explicit fallback_logger_backend(const db_logger_config& config);
 
    ~fallback_logger_backend() override;
 
    // Non-copyable, non-movable
    fallback_logger_backend(const fallback_logger_backend&) = delete;
    fallback_logger_backend& operator=(const fallback_logger_backend&) = delete;
    fallback_logger_backend(fallback_logger_backend&&) = delete;
    fallback_logger_backend& operator=(fallback_logger_backend&&) = delete;
 
    common::VoidResult initialize() override;
    common::VoidResult shutdown() override;
    bool is_initialized() const override;
    void log(db_log_level level, const std::string& message) override;
    void flush() override;
 
private:
    const db_logger_config& config_;
    bool initialized_;
    std::mutex mutex_;
    std::ofstream log_file_;
};
 
} // namespace backends
} // namespace adapters
} // namespace integrated
} // namespace database