wartimer.h

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/** 
*/

#ifndef WAR_TIMER_H
#define WAR_TIMER_H

/* SYSTEM INCLUDES */

#ifndef WAR_INCLUDED_SET
#   define WAR_INCLUDED_SET
#   include <set>
#endif

#ifndef WAR_ASSERT_H_INCLUDED
#   define WAR_ASSERT_H_INCLUDED
#   include <assert.h>
#endif

/* PROJECT INCLUDES */

#ifndef WAR_TIMER_EVENT_H
#   include "WarTimerEvent.h"
#endif

#ifndef WAR_THREAD_H
#   include "WarThread.h"
#endif

#ifndef WAR_THREAD_POOL_H
#   include "WarThreadPool.h"
#endif


/* LOCAL INCLUDES */


/* FORWARD REFERENCES */



#ifdef __cplusplus
extern "C" 
{
#endif
/****************** BEGIN OLD STYLE C spesific ********/


/****************** END OLD STYLE C spesific **********/
#ifdef __cplusplus 
}
#endif

/****************** BEGIN C++ spesific ****************/

#ifdef __cplusplus

class WarTimer : public WarThread
{
public:
    typedef std::multiset<war_timer_event_ptr_t> events_t;

    // LIFECYCLE
    
    /**
    * Default constructor.
    */
    WarTimer();
    
    /**
    * Destructor.
    */
    ~WarTimer();
    
    // OPERATORS
    // OPERATIONS                       
    
    void AddEvent(war_timer_event_ptr_t& newEvent)
        throw(WarException);
    
    void KillEvent(war_timer_event_ptr_t& oldEvent)
        throw(WarException);
    
    virtual void SetExitFlag();

    virtual void SetAbortFlag()
    {
        assert(false); // Use SetExitFlag()
    }
    
    // ACCESS

    const WarTime GetNextEventTime();

    static WarTimer& GetTimer() throw(WarException);

    static bool IsTimerActive()
    {
        return spThis != NULL;
    }

    // INQUIRY
    
protected:
    
    void Run();

    friend class WarTimerEventTask;
    // Called by WarTimer and WarTimerEventTask
    void OnCompleted(war_timer_event_ptr_t& my_event);
    friend class WarShutdownEngine;
    static void OnShutdown(war_cptr_t ptr);

private:
    events_t mEvents;
    WarCriticalSection mLock;
    WarThreadEvent mSignal;
    WarThreadPool mPool;

    static WarTimer *spThis;
};

/* INLINE METHODS */

/* EXTERNAL REFERENCES */

typedef WarPtrWrapper<WarTimer> war_timer_ptr_t;

#endif /* __cplusplus */

/****************** END C++ spesific ******************/

#endif  /* WAR_TIMER_H_ */