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Re: Asynch wininet - Threaded or not?
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Re: Asynch wininet - Threaded or not? Fred 02-02-2006
Posted by Fred on February 2, 2006, 2:45 pm
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> Never mind, you are referring to this, I think:
>
> BUG: InternetSetOption Does Not Set Timeout Values
> http://support.microsoft.com/kb/176420/EN-US/
>
> Isn't the default timeout acceptable? This has never been an issue for me.
>
> Paul

Hi Paul.

(I've just made another couple of posts discussing it before this one of
yours came through.)


Nope its not. Mine is a "real-time" application" If the thread hangs more
than a second or two waiting for a response it's useless.

Also does the default timeout work OK? I've had problems with threads
hanging indefinitely.



Posted by Fred on February 3, 2006, 7:13 am
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> I don't really know much about timeout behaviour.
>
> I have seen a DNS timeout within a few seconds (but more than two).
>
> I haven't seen an HTTP timeout. Are the web servers you're connecting to
> really unreliable or something?


It's not that they are particularly unreliable - I need "real time"
response. The real issue is not around connecting (I suppose) but around
reading the servers response.


If the data is not downloaded "immediately" then it is out of date and so
useless.

On my other app using synch wininet and threads the threads seem to hang -
never timeout - if the site is slow to respond for that request - of course
there could be other issues causing this as its really hard to pin down.




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