CronScheduler

Using cron expression to schedule functions. c++

imported source

This code using a cron parser, author staticlibs.net

https://github.com/staticlibs/ccronexpr

purpose

I want a lib to schedule my own function with cron expression, but i can't find anyone written by c c++,almost every one is a scheduler to schedule executable files.

I found a ccronexpr lib and it looks very awesome.So i simply wrap it using c++.

example

#include "CronSchedule.h"

CronJobScheduler sche;

int cron_cb1(int _id, int _arg)
{
	time_t tn;
	time(&tn);

	static int s_nCount = 0;
	++s_nCount;

	printf("job %d active with arg %d, count %d, time %d\n", _id, _arg, s_nCount, tn);

	if(5 == s_nCount)
	{
		printf("delete job %d\n", _id);
		sche.RemoveCronJob(_id);
	}

	return 0;
}

int cron_cb2(int _id, int _arg)
{
	time_t tn;
	time(&tn);

	static int s_nCount = 0;
	++s_nCount;

	printf("job %d active with arg %d, count %d, time %d\n", _id, _arg, s_nCount, tn);

	if(5 == s_nCount)
	{
		printf("delete job %d\n", _id);
		return 1;
	}

	return 0;
}

int cron_cb3(int _id, int _arg)
{
	time_t tn;
	time(&tn);

	static int s_nCount = 0;
	++s_nCount;

	printf("job %d active with arg %d, count %d, time %d\n", _id, _arg, s_nCount, tn);

	if(5 == s_nCount)
	{
		printf("delete job %d\n", _id);
		return 1;
	}

	return 0;
}

int main()
{
	sche.AddCronJob(1, "*/5 * * * * *", cron_cb1, 2);
	sche.AddCronJob(2, "*/10 * * * * *", cron_cb2, 2);
	sche.AddCronJob(3, "*/2 * * * * *", cron_cb3, 2);

	while(1)
	{
		sche.Update();
		Sleep(1000);
	}
}