Re: [Nolug] searching for download confirmation

On 2010-04-10 13:15, Petri Laihonen wrote:
> This is the latest thing I've been trying to search for the past week.
> So far I'm inclined to the conclusion such thing can not be done.
>
> What I'm trying to find, is a method of detecting whether or not the
> download of a file was successfully completed.
> The catch: I can only use the tools on the server side, no javascript or
> similar available. I can use PHP though.
>
> Found so far:
> byteserving with PHP. Not usable unless client sends correct headers from
> the beginning.
> PHP function fpassthru(): Reports only if the client is still connected when
> the file has been downloaded + is unreliable with mobile phones where
> content is downloaded via wap gateway --> Status always TRUE.
>
> Does anyone know if this kind of functionality can be done on the server
> side?
>

Since there might be corruption on the wire, how could the server
*know*, without the server also sending a hash and the client
returning a "hash valid" ACK?

-- 
Dissent is patriotic, remember?
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