114 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			114 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			C++
		
	
	
	
| // AUTOGENERATED COPYRIGHT HEADER START
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| // Copyright (C) 2020-2023 Michael Fabian 'Xaymar' Dirks <info@xaymar.com>
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| // AUTOGENERATED COPYRIGHT HEADER END
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| 
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| #include "configuration.hpp"
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| #include "obs/obs-tools.hpp"
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| #include "plugin.hpp"
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| #include "util/util-logging.hpp"
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| 
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| #ifdef _DEBUG
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| #define ST_PREFIX "<%s> "
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| #define D_LOG_ERROR(x, ...) P_LOG_ERROR(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
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| #define D_LOG_WARNING(x, ...) P_LOG_WARN(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
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| #define D_LOG_INFO(x, ...) P_LOG_INFO(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
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| #define D_LOG_DEBUG(x, ...) P_LOG_DEBUG(ST_PREFIX##x, __FUNCTION_SIG__, __VA_ARGS__)
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| #else
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| #define ST_PREFIX "<configuration> "
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| #define D_LOG_ERROR(...) P_LOG_ERROR(ST_PREFIX __VA_ARGS__)
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| #define D_LOG_WARNING(...) P_LOG_WARN(ST_PREFIX __VA_ARGS__)
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| #define D_LOG_INFO(...) P_LOG_INFO(ST_PREFIX __VA_ARGS__)
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| #define D_LOG_DEBUG(...) P_LOG_DEBUG(ST_PREFIX __VA_ARGS__)
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| #endif
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| 
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| constexpr std::string_view version_tag_name = "Version";
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| constexpr std::string_view path_backup_ext  = ".bk";
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| 
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| streamfx::configuration::~configuration()
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| {
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| 	try {
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| 		save();
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| 		_save_task->wait();
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| 	} catch (std::exception const& ex) {
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| 		DLOG_ERROR("Failed to save configuration: %s", ex.what());
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| 	}
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| }
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| 
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| streamfx::configuration::configuration() : _config_path(), _data(), _task_lock(), _save_task()
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| {
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| 	// Retrieve global configuration path.
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| 	_config_path = streamfx::config_file_path("config.json");
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| 
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| 	try {
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| 		if (!std::filesystem::exists(_config_path) || !std::filesystem::is_regular_file(_config_path)) {
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| 			throw std::runtime_error("Configuration does not exist.");
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| 		} else {
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| 			obs_data_t* data =
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| 				obs_data_create_from_json_file_safe(_config_path.u8string().c_str(), path_backup_ext.data());
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| 			if (!data) {
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| 				throw std::runtime_error("Failed to load configuration from disk.");
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| 			} else {
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| 				_data = std::shared_ptr<obs_data_t>(data, obs::obs_data_deleter);
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| 			}
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| 		}
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| 	} catch (...) {
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| 		_data = std::shared_ptr<obs_data_t>(obs_data_create(), obs::obs_data_deleter);
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| 	}
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| }
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| 
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| void streamfx::configuration::save()
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| {
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| 	std::lock_guard<std::mutex> lg(_task_lock);
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| 	if (!_save_task || _save_task->is_completed()) {
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| 		_save_task = streamfx::threadpool()->push([this](streamfx::util::threadpool::task_data_t) {
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| 			// ToDo: Implement delayed tasks in ::threadpool.
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| 			std::this_thread::sleep_for(std::chrono::milliseconds(100));
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| 
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| 			// Update version tag.
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| 			obs_data_set_int(_data.get(), version_tag_name.data(), STREAMFX_VERSION);
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| 
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| 			if (_config_path.has_parent_path()) {
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| 				std::filesystem::create_directories(_config_path.parent_path());
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| 			}
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| 			if (!obs_data_save_json_safe(_data.get(), _config_path.u8string().c_str(), ".tmp",
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| 										 path_backup_ext.data())) {
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| 				D_LOG_ERROR("Failed to save configuration file.", nullptr);
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| 			}
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| 		});
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| 	}
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| }
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| 
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| std::shared_ptr<obs_data_t> streamfx::configuration::get()
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| {
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| 	obs_data_addref(_data.get());
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| 	return std::shared_ptr<obs_data_t>(_data.get(), obs::obs_data_deleter);
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| }
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| 
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| uint64_t streamfx::configuration::version()
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| {
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| 	return static_cast<uint64_t>(obs_data_get_int(_data.get(), version_tag_name.data()));
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| }
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| 
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| bool streamfx::configuration::is_different_version()
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| {
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| 	return (version() & STREAMFX_MASK_COMPAT) != (STREAMFX_VERSION & STREAMFX_MASK_COMPAT);
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| }
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| 
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| static std::shared_ptr<streamfx::configuration> _instance = nullptr;
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| 
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| void streamfx::configuration::initialize()
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| {
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| 	if (!_instance)
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| 		_instance = std::make_shared<streamfx::configuration>();
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| }
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| 
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| void streamfx::configuration::finalize()
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| {
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| 	_instance.reset();
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| }
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| 
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| std::shared_ptr<streamfx::configuration> streamfx::configuration::instance()
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| {
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| 	return _instance;
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| }
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