mirror of https://github.com/Xaymar/obs-StreamFX
119 lines
3.9 KiB
C++
119 lines
3.9 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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#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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#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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constexpr std::string_view version_tag_name = "Version";
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constexpr std::string_view path_backup_ext = ".bk";
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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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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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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 = 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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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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// Update version tag.
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obs_data_set_int(_data.get(), version_tag_name.data(), STREAMFX_VERSION);
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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", 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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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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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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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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std::shared_ptr<streamfx::configuration> streamfx::configuration::instance()
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{
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static std::weak_ptr<streamfx::configuration> winst;
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static std::mutex mtx;
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std::unique_lock<decltype(mtx)> lock(mtx);
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auto instance = winst.lock();
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if (!instance) {
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instance = std::shared_ptr<streamfx::configuration>(new streamfx::configuration());
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winst = instance;
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}
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return instance;
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}
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static std::shared_ptr<streamfx::configuration> loader_instance;
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static auto loader = streamfx::loader(
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[]() { // Initalizer
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loader_instance = streamfx::configuration::instance();
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},
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[]() { // Finalizer
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loader_instance.reset();
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},
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streamfx::loader_priority::HIGHER); // Attempt to load after critical functionality.
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