131 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			131 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C++
		
	
	
	
| // Copyright (c) 2020 Michael Fabian Dirks <info@xaymar.com>
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| //
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| // Permission is hereby granted, free of charge, to any person obtaining a copy
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| // of this software and associated documentation files (the "Software"), to deal
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| // in the Software without restriction, including without limitation the rights
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| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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| // copies of the Software, and to permit persons to whom the Software is
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| // furnished to do so, subject to the following conditions:
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| //
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| // The above copyright notice and this permission notice shall be included in all
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| // copies or substantial portions of the Software.
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| //
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| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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| // SOFTWARE.
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| 
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| #pragma once
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| #include <atomic>
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| #include <chrono>
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| #include <map>
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| #include <nlohmann/json.hpp>
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| #include "util/util-curl.hpp"
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| #include "util/util-event.hpp"
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| #include "util/util-threadpool.hpp"
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| 
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| namespace streamfx {
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| 	enum class version_stage : uint8_t {
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| 		STABLE,    // A.B.C
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| 		CANDIDATE, // A.B.CcD
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| 		BETA,      // A.B.CbD
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| 		ALPHA,     // A.B.CaD
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| 	};
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| 	version_stage    stage_from_string(std::string_view str);
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| 	std::string_view stage_to_string(version_stage t);
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| 
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| 	void to_json(nlohmann::json&, const version_stage&);
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| 	void from_json(const nlohmann::json&, version_stage&);
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| 
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| 	struct version_info {
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| 		public:
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| 		uint16_t      major;
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| 		uint16_t      minor;
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| 		uint16_t      patch;
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| 		uint16_t      tweak;
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| 		version_stage stage;
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| 		std::string   url;
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| 		std::string   name;
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| 
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| 		public:
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| 		version_info();
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| 		version_info(const std::string text);
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| 
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| 		bool is_older_than(const version_info other);
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| 
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| 		operator std::string();
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| 	};
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| 
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| 	void to_json(nlohmann::json&, const version_info&);
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| 	void from_json(const nlohmann::json&, version_info&);
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| 
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| 	class updater {
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| 		// Internal
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| 		std::recursive_mutex                              _lock;
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| 		std::weak_ptr<::streamfx::util::threadpool::task> _task;
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| 
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| 		// Options
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| 		std::atomic_bool     _data_sharing_allowed;
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| 		std::atomic_bool     _automation;
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| 		version_stage        _channel;
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| 		std::chrono::seconds _lastcheckedat;
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| 
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| 		// Update Information
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| 		version_info                          _current_info;
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| 		std::map<version_stage, version_info> _updates;
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| 		bool                                  _dirty;
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| 
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| 		private:
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| 		void task(streamfx::util::threadpool_data_t);
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| 
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| 		bool can_check();
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| 
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| 		void load();
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| 		void save();
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| 
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| 		public:
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| 		updater();
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| 		~updater();
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| 
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| 		// GDPR compliance (must require user interaction!)
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| 		bool is_data_sharing_allowed();
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| 		void set_data_sharing_allowed(bool);
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| 
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| 		// Automatic Update checks
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| 		bool is_automated();
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| 		void set_automation(bool);
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| 
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| 		// Update Channel
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| 		version_stage get_channel();
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| 		void          set_channel(version_stage channel);
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| 
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| 		// Refresh information.
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| 		void refresh();
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| 
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| 		// Check current data.
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| 		version_info get_current_info();
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| 
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| 		// Check update data.
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| 		bool         is_update_available();
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| 		bool         is_update_available(version_stage channel);
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| 		version_info get_update_info();
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| 		version_info get_update_info(version_stage channel);
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| 
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| 		public:
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| 		struct _ {
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| 			streamfx::util::event<updater&, bool>          gdpr_changed;
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| 			streamfx::util::event<updater&, bool>          automation_changed;
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| 			streamfx::util::event<updater&, version_stage> channel_changed;
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| 
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| 			streamfx::util::event<updater&, std::string&> error;
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| 			streamfx::util::event<updater&>               refreshed;
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| 		} events;
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| 
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| 		public:
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| 		static std::shared_ptr<streamfx::updater> instance();
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| 	};
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| } // namespace streamfx
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