source: source/ariba/utility/system/Timer.h@ 6953

// [License]
// The Ariba-Underlay Copyright
//
// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)
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// UniversitÀt Karlsruhe (TH)
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// Germany
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// [License]

#ifndef __TIMER_H
#define __TIMER_H

#include "ariba/utility/system/SystemEventListener.h"
#include "ariba/utility/system/SystemQueue.h"
#include "ariba/utility/system/SystemEvent.h"
#include "ariba/utility/system/SystemEventType.h"
#include "ariba/utility/logging/Logging.h"

#ifndef UNDERLAY_OMNET
  #include <boost/thread/mutex.hpp>
  #include <boost/thread/thread.hpp>
  #include <boost/thread/condition_variable.hpp>
#endif

using ariba::utility::SystemEventType;
using ariba::utility::SystemQueue;
using ariba::utility::SystemEventListener;

namespace ariba {
namespace utility {

class Timer : public SystemEventListener {
        use_logging_h(Timer);
public:
        Timer();
        virtual ~Timer();

        /**
         * Set the interval for the timer
         *
         * @param millis Timer interval in milliseconds
         * @param oneshot Is this a one-shot or periodic timer
         */
        void setInterval(unsigned int millis, bool oneshot=false);

        /**
         * Start the timer
         */
        void start();

        /**
         * Stop the timer
         */
        void stop();

        /**
         * Reset a running timer and ignore the remaining interval
         * time. Does not fire the timer event and start the timer
         * with a new interval.
         */
        void reset();

        /**
         * Is the timer already running?
         */
        bool isRunning();

protected:
        virtual void eventFunction();

protected:
        virtual void handleSystemEvent( const SystemEvent& event );

private:
#ifndef UNDERLAY_OMNET
        static void threadFunc( Timer* obj );
        boost::thread* timerThread;
#endif // UNDERLAY_OMNET

        volatile unsigned int millis;
        volatile bool running;
        volatile bool oneshot;
};

}} // namespace ariba, common

#endif // __TIMER_H