Publish LumaOps source
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/*---------------------------------------------------------*\
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| SettingsManager.cpp |
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| OpenRGB Settings Manager maintains a list of application|
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| settings in JSON format. Other components may register |
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| settings with this class and store/load values. |
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| Adam Honse (CalcProgrammer1) 04 Nov 2020 |
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| This file is part of the OpenRGB project |
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| SPDX-License-Identifier: GPL-2.0-or-later |
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\*---------------------------------------------------------*/
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#include <fstream>
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#include <iostream>
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#include "SettingsManager.h"
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#include "LogManager.h"
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SettingsManager::SettingsManager()
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{
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config_found = false;
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}
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SettingsManager::~SettingsManager()
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{
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}
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json SettingsManager::GetSettings(std::string settings_key)
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{
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/*-----------------------------------------------------*\
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| Check to see if the key exists in the settings store |
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| and return the settings associated with the key if it |
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| exists. We lock the mutex to protect the value from |
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| changing while data is being read and copy before |
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| unlocking. |
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\*-----------------------------------------------------*/
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json result;
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mutex.lock();
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if(settings_data.contains(settings_key))
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{
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result = settings_data[settings_key];
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}
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mutex.unlock();
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return result;
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}
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void SettingsManager::SetSettings(std::string settings_key, json new_settings)
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{
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mutex.lock();
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settings_data[settings_key] = new_settings;
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mutex.unlock();
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}
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void SettingsManager::LoadSettings(const filesystem::path& filename)
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{
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/*-----------------------------------------------------*\
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| Clear any stored settings before loading |
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\*-----------------------------------------------------*/
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mutex.lock();
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settings_data.clear();
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/*-----------------------------------------------------*\
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| Store settings filename, so we can save to it later |
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\*-----------------------------------------------------*/
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settings_filename = filename;
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/*-----------------------------------------------------*\
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| Open input file in binary mode |
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\*-----------------------------------------------------*/
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config_found = filesystem::exists(filename);
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if(config_found)
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{
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std::ifstream settings_file(settings_filename, std::ios::in | std::ios::binary);
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/*-------------------------------------------------*\
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| Read settings into JSON store |
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\*-------------------------------------------------*/
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if(settings_file)
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{
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try
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{
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settings_file >> settings_data;
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}
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catch(const std::exception& e)
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{
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/*-----------------------------------------*\
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| If an exception was caught, that means |
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| the JSON parsing failed. Clear out any |
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| data in the store as it is corrupt. We |
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| could attempt a reload for backup |
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| location |
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\*-----------------------------------------*/
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LOG_ERROR("[SettingsManager] JSON parsing failed: %s", e.what());
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settings_data.clear();
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}
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}
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settings_file.close();
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}
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mutex.unlock();
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}
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void SettingsManager::SaveSettings()
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{
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mutex.lock();
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std::ofstream settings_file(settings_filename, std::ios::out | std::ios::binary);
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if(settings_file)
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{
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try
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{
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settings_file << settings_data.dump(4);
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}
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catch(const std::exception& e)
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{
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LOG_ERROR("[SettingsManager] Cannot write to file: %s", e.what());
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}
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settings_file.close();
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}
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mutex.unlock();
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}
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