/******************************************************************************
*
* Copyright (c) 2015 TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
*
* TimerWatcher.h
*
*****************************************************************************/
#include <oz++/TimerDescriptor.h>
#include <oz++/Clock.h>
#include <oz++/ITimerSpec.h>
#include <oz++/Thread.h>
namespace OZ {
//Elapsed callback
typedef void (CommonObject::*Elapsed)(uint64_t value);
class TimerWatcher: public Thread {
private:
bool looping;
TimerDescriptor timerFD;
Clock clock;
public:
TimerWatcher(int clockId = CLOCK_MONOTONIC,
time_t intervalsec = 1, long intervalnsec= 0)
:Thread(),
looping(true),
timerFD(clockId, 0),
clock(clockId)
{
struct timespec now = clock.getTime();
ITimerSpec its(now, intervalsec, intervalnsec);
timerFD.setTime(TFD_TIMER_ABSTIME, its);
}
public:
//Set an elapsed callback.
void setCallback(CommonObject* object, Elapsed elapsed)
{
timerFD.setCallback(object, elapsed);
}
public:
virtual void run()
{
printf("TimeReceiver::run, start\n");
while (looping) {
try {
uint64_t value;
timerFD.read(value);
} catch (Exception& ex) {
ex.display();
}
}
}
void stop()
{
looping = false;
timerFD.close();
}
};
}