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90 lines
2.1 KiB
90 lines
2.1 KiB
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/*
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* Timer class with seconds granularity
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*/
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#ifndef AM_SESSION_TIMER_H
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#define AM_SESSION_TIMER_H
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// if the CallTimer should run as separate thread,
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// define this one, otherwise call
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// checkTimers periodically
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#define SESSION_TIMER_THREAD
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#define TIMEOUT_EVENT_ID 99
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#ifdef SESSION_TIMER_THREAD
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#include "AmThread.h"
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#endif
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#include "AmSessionContainer.h"
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#include <set>
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class AmTimeoutEvent : public AmEvent {
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public:
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AmTimeoutEvent(int timer_id)
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: AmEvent(timer_id) { }
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};
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struct AmTimer
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{
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int id;
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string session_id;
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struct timeval time;
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AmTimer(int id, const string& session_id, struct timeval* tval)
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: id(id), session_id(session_id), time(*tval) {}
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};
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bool operator < (const AmTimer& l, const AmTimer& r);
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bool operator == (const AmTimer& l, const AmTimer& r);
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/**
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* session timer class.
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* Implements a timer with session granularity.
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* On timeout an AmTimeoutEvent with the ID is posted.
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*/
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class AmSessionTimer
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#ifdef SESSION_TIMER_THREAD
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: public AmThread
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#endif
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{
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static AmSessionTimer* _instance;
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std::set<AmTimer> timers;
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AmMutex timers_mut;
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void unsafe_removeTimer(int id, const string& session_id);
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public:
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AmSessionTimer();
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~AmSessionTimer();
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static AmSessionTimer* instance();
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/** set timer with ID id, fire after s seconds event in
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session session_id */
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void setTimer(int id, int seconds, const string& session_id);
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/** set timer with ID id, fire at time t event in session session_id */
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void setTimer(int id, struct timeval* t, const string& session_id);
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/** remove timer with ID id */
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void removeTimer(int id, const string& session_id);
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/** remove all timers belonging to the session session_id */
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void removeTimers(const string& session_id);
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/** remove all timers belonging to the session session_id with an ID > 0 */
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void removeUserTimers(const string& session_id);
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/** ifndef SESSION_TIMER_THREAD, this routine must be
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* periodically called. */
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void checkTimers();
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#ifdef SESSION_TIMER_THREAD
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void run();
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void on_stop();
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#endif
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};
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#endif //AM_SESSION_TIMER_H
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