90 lines
3.7 KiB
C++
90 lines
3.7 KiB
C++
#ifndef __APPLICATIONSETTINGS_H__
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#define __APPLICATIONSETTINGS_H__
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#include "BoostLog.h"
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#include <boost/asio/steady_timer.hpp>
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#include <boost/preprocessor/seq/for_each.hpp>
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#include <boost/preprocessor/tuple/to_seq.hpp>
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#include <boost/property_tree/ini_parser.hpp>
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#include <boost/property_tree/ptree.hpp>
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#include <filesystem>
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template <typename Child>
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class ApplicationSettings {
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#define BUILD_SETTING_FIELD(Category, Type, Name, DefaultValue) \
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inline void set##Name(const Type &value) { \
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std::lock_guard locker(m_mutex); \
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m_ptree.put(#Category "." #Name, value); \
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m_needSave = true; \
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} \
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inline Type get##Name() const { \
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std::lock_guard locker(m_mutex); \
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return m_ptree.get<Type>(#Category "." #Name, DefaultValue); \
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}
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#define BUILD_STATUS(Type, Name, DefaultValue) BUILD_SETTING_FIELD(Status, Type, Name, DefaultValue)
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#define BUILD_SETTING(Type, Name, DefaultValue) BUILD_SETTING_FIELD(Settings, Type, Name, DefaultValue)
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#define INITIALIZE_FIELD(Name) set##Name(get##Name());
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#define MACRO(r, data, elem) INITIALIZE_FIELD(elem)
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#define INITIALIZE_FIELDS(...) \
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inline void initializeFileds() final { \
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BOOST_PP_SEQ_FOR_EACH(MACRO, _, BOOST_PP_TUPLE_TO_SEQ((__VA_ARGS__))) \
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}
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public:
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ApplicationSettings(const std::string &path) : m_path(path) {
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if (std::filesystem::exists(path)) {
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try {
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boost::property_tree::read_ini(path, m_ptree);
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} catch (const boost::property_tree::ini_parser_error &e) {
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LOG(error) << e.what();
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}
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} else {
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static_cast<Child *>(this)->initializeFileds();
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save();
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}
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}
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void startCheckInterval(boost::asio::io_context &ioContext, uint32_t seconds) {
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m_timer = std::make_unique<boost::asio::steady_timer>(ioContext);
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m_interval = seconds;
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run();
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}
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protected:
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void save() {
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if (!m_needSave) return;
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try {
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std::lock_guard locker(m_mutex);
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boost::property_tree::write_ini(m_path, m_ptree);
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m_needSave = false;
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} catch (const boost::property_tree::ini_parser_error &e) {
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LOG(error) << e.what();
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}
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}
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void run() {
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m_timer->expires_after(std::chrono::seconds(m_interval));
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m_timer->async_wait([this](const boost::system::error_code &error) {
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if (error) {
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LOG(error) << error.message();
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return;
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}
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save();
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run();
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});
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}
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virtual void initializeFileds() {
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}
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boost::property_tree::ptree m_ptree;
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bool m_needSave = false;
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mutable std::mutex m_mutex;
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private:
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std::string m_path;
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std::unique_ptr<boost::asio::steady_timer> m_timer;
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uint32_t m_interval;
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};
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#endif // __APPLICATIONSETTINGS_H__
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