mirror of https://github.com/Xaymar/obs-StreamFX
126 lines
4.1 KiB
C++
126 lines
4.1 KiB
C++
// Copyright (C) 2020-2022 Michael Fabian Dirks
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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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 =
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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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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",
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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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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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static std::shared_ptr<streamfx::configuration> _instance = nullptr;
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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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void streamfx::configuration::finalize()
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{
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_instance.reset();
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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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