Re: best way to create clock from remote server

"Alf P. Steinbach" <>
Tue, 17 Feb 2009 06:55:32 +0100
* roughtrader:


I have a function that retrieves the epoch time from a remote server.
Let's say it's: time_t retrieveTime();

I have an MFC application, and I want to continually update a time_t
variable using the function retrieveTime(), in order to build a clock
with 1-second resolution from the remote server.

I can't use a while loop because the enclosing function would never
release control of the application, and that would defeat the point of
having an application.

What I *think* should be done is to create a timer that starts
counting once the application is launched. The resolution on the
timer could be as fast as 1 millisecond. Each time the timer updates,
retrieveTime() could be called and the value stored in a variable.

Basically, I want to build this clock and keep it "out of the way" of
the main application. Am I on the right track here? Can someone
suggest some code that would help get me started?

Timer idea is good, calling a remote server 1000 times per second is bad.

But for more details please ask in a Microsoft-specific group.

The question is off-topic in [comp.lang.c++] (see the FAQ and/or the welcome
message for some group suggestions and what's regarded as on-topic).

Cheers & hth.,

- Alf

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