Posted by Colin McKinnon on 11/21/59 11:36

just.starting@gmail.com wrote:

> Hi,
> My dot net client downloads files and checks for any new files time to
> time. The server is apache2.0.53 server. So what happens is that my
> file download thing works fine if I dont try to call any page from the
> server while downloading. If I try to call a single page while
> downloading a file then the page request goes time out and the server
> then closes the existing download stream and the client doestn't throw
> any exception. So many a time I end up with incomplete downloaded file.
> The server side code is in PHP and every thing like calling a page or
> downloading a file is done by calling some PHP script.
>
> What is the reason behind this type of behaviour.Has this anything to
> do with PHP and server settings.

If it did with other clients, it would be useless as a web server. A real
web session will begin by loading, say a web page and begin parsing it. It
may then use the same socket connection (if keep-alive is enabled) to start
downloading a CSS file referenced by the page and open a new socket to
start downloading an image.

Many seperate machines may use the same proxy - but the webserver canot
differentiate between them. If you really tried you could configure apache
to only allow one request at a time, but it still wouldn't behave like this
(subsequent requests would back up until the first request finished or
timed out).

> My dot net client

Ahh. Microsoft. That's half the problem.

The problem is certainly client-side - you seem to be using the same
instance of the downloader to download more than one file - which it
obviously is not capable of.

HTH

C.

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