55 lines
1.2 KiB
C++
55 lines
1.2 KiB
C++
// SPDX-FileCopyrightText: 2024 Yury Gubich <blue@macaw.me>
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// SPDX-License-Identifier: GPL-3.0-or-later
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#pragma once
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#include <set>
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#include <map>
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#include <functional>
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#include <mutex>
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#include <atomic>
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#include <sys/select.h>
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#include "shared/loggable.h"
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#include "shared/logger.h"
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class Loop : Shared::Loggable {
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public:
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typedef std::function<void()> Callback;
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typedef std::map<int, Callback> Handlers;
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Loop(const Shared::Logger& logger);
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~Loop();
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void run();
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void stop();
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void addDescriptor(int descriptor, const Callback& handler);
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void removeDescriptor(int descriptor);
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private:
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void wake();
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void drain(fd_set* readfds);
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void runCallbacks(fd_set* readfds);
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int setFDsAndFindMax(fd_set* readfds);
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void syncHandlers();
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private:
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int wakePipe[2];
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Handlers handlers;
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Handlers handlersToAdd;
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std::set<int> descriptorsToRemove;
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std::mutex mutex;
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std::atomic<bool> running;
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private:
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static void registerInstance(Loop* loop);
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static void unregisterInstance(Loop* loop);
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static void signalHandler(int signum);
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static inline std::set<Loop*> instances;
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static inline std::mutex instanceMutex;
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};
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