file_ipc_configuration.hpp

// file_ipc_configuration.hpp
// Created by Greg on 1/26/2025.
// Copyright (C) 2025 Presage Security, Inc.
//
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#pragma once
 
// === standard library includes (if any) ===
#include <filesystem>
#include <string>
#include <chrono>
// === third-party includes (if any) ===
#include <nlohmann/json.hpp>
#include <absl/status/status.h>
#include <absl/status/statusor.h>
#include <glog/logging.h>
 
namespace presage::smartspectra::file_ipc {

struct FileIpcConfiguration {
    std::filesystem::path base_directory = "/tmp/physiology_ipc";

    bool create_if_missing = true;

    bool truncate_on_init = false;

    size_t max_frame_count = 1000;

    bool use_file_locking = true;

    bool compress_frames = false;

    size_t io_buffer_size = 8192;

    bool enable_debug_logging = false;

    int jpeg_quality = 85;

    static absl::StatusOr<FileIpcConfiguration> LoadFromJson(const std::filesystem::path& path);

    static absl::Status SaveToJson(const FileIpcConfiguration& config, const std::filesystem::path& path);

    [[nodiscard]] nlohmann::json ToJson() const;

    static absl::StatusOr<FileIpcConfiguration> FromJson(const nlohmann::json& j);
};

void to_json(nlohmann::json& j, const FileIpcConfiguration& config);
void from_json(const nlohmann::json& j, FileIpcConfiguration& configuration);

struct FileIpcConfigurationTraits {
    using ConfigType = FileIpcConfiguration;
    static constexpr const char* backend_name = "File IPC";
    static constexpr const char* config_filename = "file_ipc_config.json";
    static constexpr const char* save_default_flag_name = "save_default_file_ipc_config";
    static constexpr const char* config_path_flag_name = "file_ipc_config_path";
 
    static void LogFinalConfig(const ConfigType& config) {
        LOG(INFO) << backend_name << " configuration prepared with base directory: " << config.base_directory;
    }
};
 
} // namespace presage::smartspectra::file_ipc