87 lines
2.6 KiB
C++
87 lines
2.6 KiB
C++
/*
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Copyright <2018-2023> <scott.e.graves@protonmail.com>
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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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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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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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#ifndef INCLUDE_UTILS_POLLING_HPP_
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#define INCLUDE_UTILS_POLLING_HPP_
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#include "types/repertory.hpp"
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namespace repertory {
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class app_config;
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class polling final {
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public:
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enum struct frequency {
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high,
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low,
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second,
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};
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struct polling_item {
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std::string name;
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frequency freq;
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std::function<void()> action;
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};
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public:
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polling(const polling &) = delete;
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polling(polling &&) = delete;
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auto operator=(const polling &) -> polling & = delete;
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auto operator=(polling &&) -> polling & = delete;
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private:
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polling() = default;
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~polling() { stop(); }
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private:
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static polling instance_;
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public:
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static auto instance() -> polling & { return instance_; }
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private:
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app_config *config_ = nullptr;
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std::unique_ptr<std::thread> high_frequency_thread_;
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std::unordered_map<std::string, polling_item> items_;
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std::unique_ptr<std::thread> low_frequency_thread_;
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std::mutex mutex_;
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std::condition_variable notify_;
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std::unique_ptr<std::thread> second_frequency_thread_;
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std::mutex start_stop_mutex_;
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stop_type stop_requested_ = false;
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private:
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void frequency_thread(std::function<std::uint32_t()> get_frequency_seconds,
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frequency freq);
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public:
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void remove_callback(const std::string &name);
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void set_callback(const polling_item &item);
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void start(app_config *config);
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void stop();
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};
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} // namespace repertory
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#endif // INCLUDE_UTILS_POLLING_HPP_
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