source: source/ariba/utility/system/Timer.cpp@ 2413

// [Licence]

// The Ariba-Underlay Copyright

//

// Copyright (c) 2008-2009, Institute of Telematics, UniversitÀt Karlsruhe (TH)

//

// Institute of Telematics

// UniversitÀt Karlsruhe (TH)

// Zirkel 2, 76128 Karlsruhe

// Germany

//

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are

// met:

//

// 1. Redistributions of source code must retain the above copyright

// notice, this list of conditions and the following disclaimer.

// 2. Redistributions in binary form must reproduce the above copyright

// notice, this list of conditions and the following disclaimer in the

// documentation and/or other materials provided with the distribution.

//

// THIS SOFTWARE IS PROVIDED BY THE INSTITUTE OF TELEMATICS ``AS IS'' AND

// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ARIBA PROJECT OR

// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

//

// The views and conclusions contained in the software and documentation

// are those of the authors and should not be interpreted as representing

// official policies, either expressed or implied, of the Institute of

// Telematics.

// [Licence]



#include "Timer.h"



namespace ariba {

namespace utility {



use_logging_cpp(Timer);

SystemEventType TimerEventType("Timer");



Timer::Timer() {

        running = false;



#ifndef UNDERLAY_OMNET

        timerThread = NULL;

#endif // UNDERLAY_OMNET

}



Timer::~Timer() {

#ifndef UNDERLAY_OMNET

        if( running ){

                running = false;



                timerThread->join();

                delete timerThread;

                timerThread = NULL;

        }

#endif // UNDERLAY_OMNET

}



void Timer::setInterval(unsigned int millis, bool oneshot) {

        this->millis = millis;

        this->oneshot = oneshot;

}



void Timer::start() {

        if( running ) return;



#ifndef UNDERLAY_OMNET

        // running var will be set in the thread function

        if( timerThread == NULL )

                timerThread = new boost::thread(boost::bind(&Timer::threadFunc, this) );

#else

        running = true;

        SystemQueue::instance().scheduleEvent(

                SystemEvent( this, TimerEventType, NULL), millis );

#endif

}



void Timer::stop() {

        running = false;

}



void Timer::eventFunction() {

        std::cout << "Timer(" << millis << ")" << std::endl;

}



#ifndef UNDERLAY_OMNET

void Timer::threadFunc( Timer* obj ) {

        obj->running = true;



        while( obj->running ) {

                boost::this_thread::sleep( boost::posix_time::milliseconds(obj->millis) );

                if (obj->running) SystemQueue::instance().scheduleEvent( SystemEvent( obj, TimerEventType, NULL), 0 );

                if( obj->oneshot ) break;

        }



        obj->running = false;

}

#endif // UNDERLAY_OMNET



void Timer::handleSystemEvent( const SystemEvent& event ) {

        if( running )

                eventFunction();



#ifdef UNDERLAY_OMNET

        if( ! oneshot && running )

                SystemQueue::instance().scheduleEvent(

                        SystemEvent( this, TimerEventType, NULL), millis );

#endif

}



}} // namespace ariba, common