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[ric-plt/sdl.git] / include / private / engineimpl.hpp

diff --git a/include/private/engineimpl.hpp b/include/private/engineimpl.hpp
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+/*
+   Copyright (c) 2018-2019 Nokia.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+#ifndef SHAREDDATALAYER_ENGINEIMPL_HPP_
+#define SHAREDDATALAYER_ENGINEIMPL_HPP_
+
+#include <map>
+#include <memory>
+#include <vector>
+#include <sys/epoll.h>
+#include "private/engine.hpp"
+#include "private/filedescriptor.hpp"
+
+namespace shareddatalayer
+{
+    class TimerFD;
+    class EventFD;
+    class System;
+
+    class EngineImpl: public Engine
+    {
+    public:
+        EngineImpl();
+
+        explicit EngineImpl(System& system);
+
+        ~EngineImpl();
+
+        int fd() const override { return epollFD; }
+
+        void handleEvents() override;
+
+        void addMonitoredFD(int fd, unsigned int events, const EventHandler& eh) override;
+
+        void addMonitoredFD(FileDescriptor& fd, unsigned int events, const EventHandler& eh) override;
+
+        void modifyMonitoredFD(int fd, unsigned int events) override;
+
+        void deleteMonitoredFD(int fd) override;
+
+        void postCallback(const Callback& callback) override;
+
+        void run() override;
+
+        void stop() override;
+
+    protected:
+        void armTimer(Timer& timer, const Timer::Duration& duration, const Timer::Callback& cb) override;
+
+        void disarmTimer(const Timer& timer) override;
+
+    private:
+        TimerFD& getTimerFD();
+
+        EventFD& getEventFD();
+
+        void epollWait(int timeout);
+
+        void callHandler(const epoll_event& e);
+
+        System& system;
+        bool stopped;
+        FileDescriptor epollFD;
+        std::map<int, EventHandler> handlers;
+        std::vector<epoll_event> ebuffer;
+        std::unique_ptr<TimerFD> timerFD;
+        std::unique_ptr<EventFD> eventFD;
+    };
+}
+
+#endif