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Posted by Andy Hassall on 12/17/05 13:59
On 17 Dec 2005 00:53:32 -0800, "yawnmoth" <terra1024@yahoo.com> wrote:
>If fsockopen is used to connect to a computer that's turned off, it
>takes $timeout seconds. Is there any way to detect whether or not a
>computer is turned off without taking $timeout seconds?
Not really. How would you tell the difference between the machine being off,
or it just being a slow connection? The symptoms are the same - no response
received within x seconds, except if you waited longer and the machine is on,
you might get a response.
--
Andy Hassall :: andy@andyh.co.uk :: http://www.andyh.co.uk
http://www.andyhsoftware.co.uk/space :: disk and FTP usage analysis tool
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