Re: [PHP] Need Working... pop up dialog (repost)

[Ray Clouse]

That's exactly what I needed!  Thanks!

Richard Lynch wrote:

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.

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- Original Message -
From: Ray Clouse [EMAIL PROTECTED]
Newsgroups: php.general
To: [EMAIL PROTECTED]
Cc: php [EMAIL PROTECTED]; [EMAIL PROTECTED]
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(SCRIPTjsPopupWindow('Starting UNZIP');/SCRIPT\n);

  $gunzipcmdline = gunzip /PATHTO/MYDATA;
  $result = exec($gunzipcmdline, $execout, $execretval);

  print(SCRIPTjsPopupWindow('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.

-- 
-
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





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Re: [PHP] Need Working... pop up dialog (repost)

[Ray Clouse]

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(SCRIPTjsPopupWindow('Starting UNZIP');/SCRIPT\n);

  $gunzipcmdline = gunzip /PATHTO/MYDATA;
  $result = exec($gunzipcmdline, $execout, $execretval);

  print(SCRIPTjsPopupWindow('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





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Re: [PHP] Need Working... pop up dialog (repost)

[Christian Reiniger]

On Tuesday 21 August 2001 17:10, Ray Clouse wrote:
 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(SCRIPTjsPopupWindow('Starting UNZIP');/SCRIPT\n);

   $gunzipcmdline = gunzip /PATHTO/MYDATA;
   $result = exec($gunzipcmdline, $execout, $execretval);

Uncompressing should not take that much time. And you can speed it up by 
using the zlib functions instead of a exec (gunzip ...)
http://php.net/gzopen

Also, if the file to be uncompressed is very large, you should cache the 
results  (the generated plots).

-- 
Christian Reiniger
LGDC Webmaster (http://lgdc.sunsite.dk/)

Install once, run forever. Linux.

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Re: [PHP] Need Working... pop up dialog (repost)

[Ray Clouse]

Another part of this is an external program on the server that can't 
read from the gzipped file.  The file has to be uncompressed, 
unfortunately.  The resulting uncompressed file is recompressed through 
a cron job after 30 days if it hasn't been used for 30 days.

I came up with something that appears to work WRT the pop up dialog 
problem.  In my main browser window, from Javascript, I pop up an alert 
telling the luser the unzip is beginning.  Then in the gunzip code, in 
the BODY, I do this:


  print(BODY);
  print( onUnload=\alert('Finished uncompressing $datafile... please  .
  refresh main window.')\\n);

And I use Javascript to close the window.  Now I just need a way to 
automatically refresh the main browser window and I'm happy.

Thanks for the help!

Christian Reiniger wrote:

On Tuesday 21 August 2001 17:10, Ray Clouse wrote:

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(SCRIPTjsPopupWindow('Starting UNZIP');/SCRIPT\n);

  $gunzipcmdline = gunzip /PATHTO/MYDATA;
  $result = exec($gunzipcmdline, $execout, $execretval);


Uncompressing should not take that much time. And you can speed it up by 
using the zlib functions instead of a exec (gunzip ...)
http://php.net/gzopen

Also, if the file to be uncompressed is very large, you should cache the 
results  (the generated plots).


-- 
-
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





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Re: [PHP] Need Working... pop up dialog (repost)

[Richard Lynch]

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 [EMAIL PROTECTED] address is an endangered species -- Use
[EMAIL PROTECTED]
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 [EMAIL PROTECTED]
Newsgroups: php.general
To: [EMAIL PROTECTED]
Cc: php [EMAIL PROTECTED]; [EMAIL PROTECTED]
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(SCRIPTjsPopupWindow('Starting UNZIP');/SCRIPT\n);

   $gunzipcmdline = gunzip /PATHTO/MYDATA;
   $result = exec($gunzipcmdline, $execout, $execretval);

   print(SCRIPTjsPopupWindow('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






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PHP General Mailing List (http://www.php.net/)
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[PHP] Need Working... pop up dialog (repost)

[Ray Clouse]

I'm trying to get a working... informational dialog or window going
with my PHP page but I'm not getting anywhere.  Here's the situation:

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?

-- 
-
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




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PHP General Mailing List (http://www.php.net/)
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Re: [PHP] Need Working... pop up dialog (repost)

[Justin French]

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

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