I have a process that verifies that a server is running. If the server
stops responding I send an email to a support person.
Now I want to add a downtime indicator so that my code does not send
mail if the sever has a scheduled downtime say, Sunday at 23:00 for 4
hrs.
Is there an easy way to see if the current time is within that window?
Thanks
AJS 8 4625
One other thing to note is that the downtime window is weekly "Every
Sunday at 23:00 for 4hrs". So I don't have a specific day/month/year.
ajs wrote: I have a process that verifies that a server is running. If the server stops responding I send an email to a support person.
Now I want to add a downtime indicator so that my code does not send mail if the sever has a scheduled downtime say, Sunday at 23:00 for 4 hrs.
Is there an easy way to see if the current time is within that window?
Thanks AJS
DateTime overloads the >, <, ==, !=, +, - operators I have a process that verifies that a server is running. If the server stops responding I send an email to a support person.
Now I want to add a downtime indicator so that my code does not send mail if the sever has a scheduled downtime say, Sunday at 23:00 for 4 hrs.
Is there an easy way to see if the current time is within that window?
Thanks AJS
DateTime time = DateTime.Now;
if (time.DayOfWeek == DayOfWeek.Sunda y && time.Hour == 23) ||
(time.DayOfWeek == DayOfWeek.Monda y && time.Hour < 3)
{
But you probably want a more extendable solution.
I speent awy too long on this:
public class Downtime
{
private TimeSpan StartOffset;
private TimeSpan Duration;
public Downtime(TimeSp an off, TimeSpan dur)
{
StartOffset = off;
Duration = dur;
}
public bool TestTime(DateTi me StartOfWeek, DateTime time)
{
DateTime dtDowntimeStart = StartOfWeek + StartOffset;
TimeSpan range = time - dtDowntimeStart ;
return (range > TimeSpan.Zero && range < Duration);
}
}
To use:
public static void Main()
{
Downtime d1 = new Downtime(new TimeSpan(1, 16, 30, 0),
new TimeSpan(0, 4, 0, 0));
DateTime StartOfWeek = new DateTime(2006, 6, 11);
DateTime time = DateTime.Now;
if (d1.TestTime(St artOfWeek, time))
{
Console.WriteLi ne("Yes");
}
}
This first parameter to the Downtime constructor is the offset of the
beginning of the downtime from midnight Sunday morning (eg, the one
there is for Monday at 4:30PM)
The second parameter is the duration.
StartOfWeek is the date of the sunday of the current week.
ajs wrote: I have a process that verifies that a server is running. If the server stops responding I send an email to a support person.
Now I want to add a downtime indicator so that my code does not send mail if the sever has a scheduled downtime say, Sunday at 23:00 for 4 hrs.
Is there an easy way to see if the current time is within that window?
Thanks AJS
Thanks for the reply,
I used an Idea from your code to solve my problem. There is one one
issue that your code didn't account for.
What if the downtime was on a Saturday at 11:00pm for 4 hrs, If I read
your code correctly, if I check for a down time just 2 hours later
(Sunday at 1:00 am) this would not show that I am currently in a down
time.
What I did was I took the downtime Saturday at 11:00pm and created a
LastWeek, ThisWeek and NextWeek DateTime Values. This gave me a 3 week
span of time to cover the overlaps.
Then I compared Now to each of the downtime values. So if any of them
are within the duration value, then I am in a window.
Of course this assumes a downtime of less than 1 week.
AJS ja**********@gm ail.com wrote: DateTime time = DateTime.Now; if (time.DayOfWeek == DayOfWeek.Sunda y && time.Hour == 23) || (time.DayOfWeek == DayOfWeek.Monda y && time.Hour < 3) {
But you probably want a more extendable solution.
I speent awy too long on this:
public class Downtime { private TimeSpan StartOffset; private TimeSpan Duration; public Downtime(TimeSp an off, TimeSpan dur) { StartOffset = off; Duration = dur; } public bool TestTime(DateTi me StartOfWeek, DateTime time) { DateTime dtDowntimeStart = StartOfWeek + StartOffset; TimeSpan range = time - dtDowntimeStart ;
return (range > TimeSpan.Zero && range < Duration); } }
To use: public static void Main() { Downtime d1 = new Downtime(new TimeSpan(1, 16, 30, 0), new TimeSpan(0, 4, 0, 0)); DateTime StartOfWeek = new DateTime(2006, 6, 11); DateTime time = DateTime.Now; if (d1.TestTime(St artOfWeek, time)) { Console.WriteLi ne("Yes"); } }
This first parameter to the Downtime constructor is the offset of the beginning of the downtime from midnight Sunday morning (eg, the one there is for Monday at 4:30PM) The second parameter is the duration.
StartOfWeek is the date of the sunday of the current week.
ajs wrote: I have a process that verifies that a server is running. If the server stops responding I send an email to a support person.
Now I want to add a downtime indicator so that my code does not send mail if the sever has a scheduled downtime say, Sunday at 23:00 for 4 hrs.
Is there an easy way to see if the current time is within that window?
Thanks AJS
ajs wrote: There is one one issue that your code didn't account for.
Nonsense. What if the downtime was on a Saturday at 11:00pm for 4 hrs, If I read your code correctly, if I check for a down time just 2 hours later (Sunday at 1:00 am) this would not show that I am currently in a down time.
Of course it will. TimeSpan range = time - dtDowntimeStart ;
time & dtDowntimeStart are full datetime objects, and so, range
will be a proper TimeSpan object, giving the difference in days, hours,
minutes etc.
Truth,
James
Try this;
Set the downtime offset to (6,23,30,0) this is a Saturday at 11:30pm
Set the duration to 4hrs.
Set the StartofWeek to 6/18/2006 a Sunday
Set the time to check to (2006,6,18,0,30 ,0) this is Sunday at 12:30am
So with these values the downtime is from Sat at 11:30pm to Sun at
3:30am.
Your code will return a "no" for anytime after midnight on Saturday,
because once a new week starts it places Saturday's offset at the end
of this new week. Remember you based your calculations from a beginning
of the week.
This is why you also need to check the previouse week in the
calculation. Easy enough just subtract 7 days and do the check again.
If either results are greater than zero and less than the duration then
we are in a downtime window.
I added a few line to your test,
public bool TestTime(DateTi me StartOfWeek, DateTime time)
{
DateTime dtDowntimeStart = StartOfWeek + StartOffset;
TimeSpan ThisWeek = time - dtDowntimeStart ;
DateTime dtDowntimeLastW eek =
dtDowntimeStart .Subtract(TimeS pan.FromDays(7) );
TimeSpan LastWeek = time - dtDowntimeLastW eek;
if (ThisWeek >TimeSpan.Zer o && ThisWeek < Duration){retur n (true);}
if (LastWeek > TimeSpan.Zero && LastWeek < Duration){retur n
(true);}
return (false);
}
Not Nonsense,
AJS ja**********@gm ail.com wrote: ajs wrote: There is one one issue that your code didn't account for.
Nonsense.
What if the downtime was on a Saturday at 11:00pm for 4 hrs, If I read your code correctly, if I check for a down time just 2 hours later (Sunday at 1:00 am) this would not show that I am currently in a down time.
Of course it will. TimeSpan range = time - dtDowntimeStart ;
time & dtDowntimeStart are full datetime objects, and so, range will be a proper TimeSpan object, giving the difference in days, hours, minutes etc.
Truth, James
I see your point. Sorry about doubting you.
ajs wrote: Try this;
Set the downtime offset to (6,23,30,0) this is a Saturday at 11:30pm Set the duration to 4hrs. Set the StartofWeek to 6/18/2006 a Sunday Set the time to check to (2006,6,18,0,30 ,0) this is Sunday at 12:30am
No problem, Your code helped me figure out a few things.
-AJS ja**********@gm ail.com wrote: I see your point. Sorry about doubting you.
ajs wrote: Try this;
Set the downtime offset to (6,23,30,0) this is a Saturday at 11:30pm Set the duration to 4hrs. Set the StartofWeek to 6/18/2006 a Sunday Set the time to check to (2006,6,18,0,30 ,0) this is Sunday at 12:30am This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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