/******************************************************************************
*
* Copyright (c) 2015 Antillia.com 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.
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* TimerThread.h
*
*****************************************************************************/
//2015/05/01 This is a very simpe interval timer thread.
//2015/05/01 We use nanosleep instead of usleep, because usleep is already obsolete.
#pragma once
#include <oz++/CommonObject.h>
#include <oz++/Thread.h>
#include <oz++/Exception.h>
#include <oz++/LocalDateTime.h>
namespace OZ {
typedef void (CommonObject::*Timeout)(CommonObject* );
class TimerThread :public Thread {
private:
static const int SLEEP_TIME = 100; //100msec
private:
bool looping;
int interval; //sleep interval of seconds
CommonObject* object;
Timeout timeout; //Timeout callback method of the object above
int sleepCount;
timespec ts;
public:
TimerThread(int second)
:looping(true),
interval(second),
object(NULL),
timeout(NULL)
{
sleepCount = interval * SLEEP_TIME/ 10;
ts.tv_sec = 0;
ts.tv_nsec = SLEEP_TIME * 1000000;
}
public:
void setTimeout(CommonObject* object, Timeout timeout)
{
if (object && timeout) {
this -> object = object;
this -> timeout = timeout;
} else {
throw IException("Invalid argument");
}
}
void run()
{
printf("TimerThead::run start\n");
while (looping) {
LocalDateTime dateTime;
CharString string;
dateTime.nowToSeconds(string);
//printf("NowToSeconds %s\n", (const char*)string);
if (object && timeout) {
//Call timeout method of object.
(object->*timeout)((CommonObject*)&string);
}
this -> sleep();
}
printf("TimerThead::run end\n");
}
void sleep()
{
for (int i = 0; i< sleepCount; i++) {
if (looping == false) {
break;
}
nanosleep(&ts, NULL);
}
}
void stop()
{
looping = false;
}
};
}