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From: Nala Ginrut <nalaginrut@gmail.com>
To: Daniel Hartwig <mandyke@gmail.com>
Cc: Ian Price <ianprice90@googlemail.com>, guile-devel <guile-devel@gnu.org>
Subject: Re: [PATCH] read-response-body should return received data when any break happens
Date: Fri, 16 Mar 2012 10:23:53 +0800	[thread overview]
Message-ID: <CAPjoZocP9k_+uh5q9u_w7YQ1O3D=7BKL0M-BTnLaR75ZPW9K4g@mail.gmail.com> (raw)
In-Reply-To: <CAN3veRcJLeye3KTVGakqLmvuF9fs02ZOTSQY11DpjhC+0uC9gw@mail.gmail.com>

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Thanks for reply!
@ijp: Yes, I think return received data within exception is ugly. But I
have to do it because my consideration is to return received data when
*any* exception happens. So if it's not a common connection error, I have
to catch it to return the received data, then re-throw the same
exception(and cut the received data). Because other program may expect this
exception. But I don't claim that this is the best design. Anyway, just a
proposal.
@Daniel: I realized that seems make "get-bytevector-n" return the received
data rather than read-response-body is better. But I'm afraid that it'll
conflict with the definition "get-bytevector-n". Say, we ask for n bytes,
but it returned m bytes less than n. So the user maybe get confused with
the name "get-bytevector-n".

On Fri, Mar 16, 2012 at 2:48 AM, Daniel Hartwig <mandyke@gmail.com> wrote:

> On 16 March 2012 02:37, Ian Price <ianprice90@googlemail.com> wrote:
> > Daniel Hartwig <mandyke@gmail.com> writes:
> >> For example, reusing the same bytevector and looping over
> >> read-response-body! saving the results to disk each time.  This limits
> >> the memory use to the size of the bytevector *and* removes the copy
> >> operation from your implementation (bonus!).
> > If you wanted to do it that way, it'd be better to pass in the port
> > directly and cut out the middle man.
> >
>
> Indeed.  The procedure shown is similar to one from one of my own
> projects which features the write-to-disk internally.
>
> I guess it pays to keep in mind that it is trivial to rearrange
> procedures such as this to suit any particular situation.  The OP
> appeared--to me--to be very over worked for the task.
>
> Perhaps such error-tolerance/streaming capabilities can be tied in at
> a level closer to get-bytevector-n...
>
>
> Regards
>

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  reply	other threads:[~2012-03-16  2:23 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-11 15:35 [PATCH] read-response-body should return received data when any break happens Nala Ginrut
2012-03-15 16:09 ` Daniel Hartwig
2012-03-15 18:37   ` Ian Price
2012-03-15 18:48     ` Daniel Hartwig
2012-03-16  2:23       ` Nala Ginrut [this message]
2012-03-16  3:24         ` Daniel Hartwig
2012-03-16  3:31         ` Nala Ginrut
2012-03-15 18:31 ` Ian Price

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