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47 lines
1.3 KiB
47 lines
1.3 KiB
#ifndef DISPATCHER_H
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#define DISPATCHER_H
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#include <global.h>
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#include <queue>
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#include <boost/bind.hpp>
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#include <boost/function.hpp>
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struct ScheduledTask {
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ScheduledTask(const boost::function<void()>& _callback) : ticks(0), callback(_callback) { }
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ScheduledTask(int _ticks, const boost::function<void()>& _callback) : ticks(_ticks), callback(_callback) { }
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bool operator<(const ScheduledTask& other) const { return ticks > other.ticks; }
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int ticks;
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boost::function<void()> callback;
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};
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struct lessScheduledTask : public std::binary_function<ScheduledTask*&, ScheduledTask*&, bool> {
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bool operator()(ScheduledTask*& t1,ScheduledTask*& t2) { return (*t1) < (*t2); }
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};
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class Dispatcher
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{
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public:
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Dispatcher() { }
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/// Cleanup scheduled events
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void cleanup();
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/// Execute scheduled events
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void poll();
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/// Add an event
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void addTask(const boost::function<void()>& callback, bool pushFront = false);
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/// Schedula an event
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void scheduleTask(const boost::function<void()>& callback, int delay);
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private:
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std::list<boost::function<void()>> m_taskList;
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std::priority_queue<ScheduledTask*, std::vector<ScheduledTask*>, lessScheduledTask> m_scheduledTaskList;
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};
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extern Dispatcher g_dispatcher;
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#endif // DISPATCHER_H
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