Re: Need "Working..." pop up dialog (repost)

You may just need a flush() call after the Starting UNZIP. http://php.net/flush PHP (Apache, actually) sends data to the browser when there's enough to send, not right away. -- WARNING richard@zend.com address is an endangered species -- Use ceo@l-i-e.com Wanna help me out? Like Music? Buy a CD: http://l-i-e.com/artists.htm Volunteer a little time: http://chatmusic.com/volunteer.htm ----- Original Message ----- From: Ray Clouse <ray.clouse@boeing.com> Newsgroups: php.general To: <justin@indent.com.au> Cc: php <php-general@lists.php.net>; <heiko.jones@boeing.com> Sent: Tuesday, August 21, 2001 10:10 AM Subject: Re: [PHP] Need "Working..." pop up dialog (repost) > It's due to space restrictions on the server. We have 300GB available > on the server, but the compressed data takes up 200GB, and we're adding > new data (several GB) every month or so. > > So we need to keep as much compressed as possible, but we have to > uncompress the data for the webpages to use it. The PHP webpages on the > server use the uncompressed data to generate plots. The data is never > sent to the user, just the plots. > > The main problem I'm having is with page resolution. If I say: > > print("<SCRIPT>jsPopupWindow('Starting UNZIP');</SCRIPT>\n"); > > $gunzipcmdline = "gunzip /PATHTO/MYDATA"; > $result = exec("$gunzipcmdline", $execout, $execretval); > > print("<SCRIPT>jsPopupWindow('Finished UNZIP');</SCRIPT>\n"); > > the 'Starting UNZIP' popup appears at the same time as the 'Finished > UNZIP' one. The page hasn't resolved until after the gunzip is done, so > it doesn't execute the Javascript the way I want it to. I've tried > popping up a window, getting the handle, passing the handle to the > gunzip code, then closing the handle when the gunzip is done, but that > hasn't worked either. > > Justin French wrote: > > >Ray Clouse wrote: > > > >>When the user clicks on a link that has to gunzip a very large file, I > >>want a popup to say "Working..." while the file is uncompressing. > >>Then, when the file is uncompressed, I want the "Working..." popup to > >>close itself and then the parent window to load a new URL (where it > >>will use the uncompressed file). > >> > >>I've tried doing this with Javascript and window.open(), but I'm having > >>no luck. Any ideas? > >> > > > >Is the uncompressing taking place on the server? or on the local (user) > >machine? Sounds like it's on the server. > > > >The problem is, you have no *real* way of knowing how long the de-comp > >will take (due to other factors, like server/client load, etc etc), so > >how do you know when to go from "working" to "done". > > > > > >So, i'm trying to figure out WHY you're uncompressing a file on the > >server that will be used by visitors over http. > > > >Seems wrong to me. Increased server load, more programs, more problems, > >slower server response time, increased user anger, etc etc. > > > > > >Enlighten me as to why, because I may be missing something. > > > > > >Justin French > > > > -- > ------------------------------------------------------------------------- > Ray Clouse | Don't fear the penguins. > Engineer Scientist/Specialist | > Boeing Expendable Launch Vehicles | Ray.Clouse AT boeing.com > Huntington Beach, CA | clouse AT rayclouse.org > > > >