Uptime calculation for SLAs.

uptime.cs

/*
	Uptime calculation for SLAs.
	Gary Kenneally	
*/

const double daysInYear = 365.2425;
const double monthsInYear = 12;
const double daysInMonth = daysInYear / monthsInYear;

const double second = 1;
const double secondsInMinute = second * 60;  // :)
const double secondsInHour = secondsInMinute * 60;
const double secondsInDay = secondsInHour * 24;
const double secondsInWeek = secondsInDay * 7;
const double secondsInMonth = secondsInDay * daysInMonth;
const double secondsInYear = secondsInDay * daysInYear;

void Main()
{
	string per = "99.99";
	double perc = double.Parse(per);
	perc = perc /100;	
	
	Console.WriteLine("Daily: " + LabelSecondsAsPeriods(secondsInDay - (secondsInDay * perc)));
	Console.WriteLine("Weekly: " + LabelSecondsAsPeriods(secondsInWeek - (secondsInWeek * perc)));
	Console.WriteLine("Monthly: " + LabelSecondsAsPeriods(secondsInMonth - (secondsInMonth * perc)));
	Console.WriteLine("Yearly: " + LabelSecondsAsPeriods(secondsInYear - (secondsInYear * perc)));
}

string LabelSecondsAsPeriods(double seconds)
{
	TimeSpan ts = TimeSpan.FromSeconds(seconds);		
	return ts.Hours.ToString() + "h " + ts.Minutes + "m " + ts.Seconds + "s "+ ts.Milliseconds + "ms ";
}