[prssr-devel-ml] Re: Updating feeds

  • From: "Joel Alexandre" <joel.alexandre@xxxxxxxx>
  • To: prssr-devel-ml@xxxxxxxxxxxxx
  • Date: Wed, 23 Nov 2005 11:01:28 +0000

i have to agree with YoLoLo.
maybe release the new version with WinInet in a shorter time and keep 
developing your
implementation.

Regards
Joel



-----Original Message-----
From: yololo@xxxxxxxxxxxxxxx
To: prssr-devel-ml@xxxxxxxxxxxxx
Date: Wed, 23 Nov 2005 07:17:33 +0100
Subject: [prssr-devel-ml] Re: Updating feeds

> Hi all,
> 
> Well, to me , it depends on when you want to release the 1.1.5 final
> version...
> Very soon : Use the standard tool, and keep your work for a future
> implementation (but i've got some feeds, and i have to refresh 2 times
> to have the entire feeds)
> Not in a hurry : Then, we got homework ! Another cycle of beta
> testing... We are here to help !
> 
> Best regards
> YoLoLo
> 
> 
> ----Message d'origine----
> >Date: Wed, 23 Nov 2005 01:45:02 +0100
> >De: David Andrs <pda@xxxxxxxxxxxxx>
> >A: prssr-devel-ml@xxxxxxxxxxxxx
> >Sujet: [prssr-devel-ml] Updating feeds
> >
> >Hi to all beta testers!
> >
> >Last two weeks I was dealing with updating feeds. There are two major
> problems:
> >a) updating is slow
> >b) updating is not reliabe
> >
> >For testing I have used Hal's OPML file (over 60 feeds) - very good
> >for testing. The current implementation of download/update is done via
> >WinInet API. It is very easy to use, but very slow.
> >
> >So I tried to replace this API with my own. I succeeded. The result
> is:
> >- 4x times quicker update
> >- pRSSreader is about 3KB larger
> >
> >But there are some problems. If I used Hal's test file, about 10 feeds
> >was updated sucessfully, the rest was not. Not good. So I tried to
> >figure out where is the problem.
> >
> >I tried similar implemetation with WinInet then with MFC wrapper of
> >WinInet. The former one had similar result as my own implemetation,
> >the latter one was a bit more successful. Every updates were run with
> >cradled PDA and connection via ActiveSync on desktop PC.
> >
> >On monday I tried my own implementation on WiFi connection and it runs
> >perfectly - fast and reliable. I have made test with Egress, if it is
> >able to update Hal's OPML file and the result was pretty same as with
> >pRSSreader. Thus, there must be some error in ActiveSync which
> >disallows a lot of subsequent connections, because if I updated site
> >by site manually (not via Update All), the reliability grows up
> >(nearly 100%).
> >
> >Now, I have to make decision which implementation should I use and I
> >would like to know your opinions. Here are pros (+) and cons (-):
> >
> >WinInet:
> >+ quite reliable with ActiveSync
> >+ smaller pRSSreader's binary
> >+ debugged
> >- slow
> >- hard to extent in future (SSL, digest authentication), but probably
> possible
> >
> >My implementation:
> >+ fast
> >+ easy to extent
> >+ quite reliable with ActiveSync
> >+ full control on what is happening
> >- bigger pRSSreader's binary
> >- not full implementation of HTTP - will need lot of tests to work
> >properly (will need your help)
> >
> >--
> >David
> >--
> >pRSSreader development mailing list
> >prssr-devel-ml@xxxxxxxxxxxxx
> >http://www.freelists.org/archives/prssr-devel-ml
> >
> 
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