Thread CGI mit sleep() (15 answers)
Opened by kimmy at 2011-05-16 09:58

topeg
 2011-05-20 06:09
#148870 #148870
User since
2006-07-10
2611 articles
BenutzerIn

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Ich habe das Teststript für den Upload gerade gefunden:

more (25.6kb):
upload.pl
Code (perl): (dl )
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#!/usr/bin/perl
use strict;
use warnings;
use CGI;
use Fcntl qw(:flock);
use Digest::MD5;
use CGI::Carp qw(fatalsToBrowser);

my $tbase='tmp/';
my $tname='%s.tmp';
my $wait=1;
my $interval=2;

my $fname;
my $size=0;
my $ttt=time();
my $cgi=CGI->new(sub{
    $size+=$_[2];
    $fname=sprintf($tname,Digest::MD5::md5_hex($ENV{QUERY_STRING})) unless($fname);
    if(time()-$ttt>$interval)
    {
      $ttt=time();
      if(open(my $fh, '>', $tbase.$fname))
      {
        flock($fh, LOCK_EX);
        print $fh $size;
        flock($fh, LOCK_UN);
        close($fh);
      }
    }
    select(undef,undef,undef,0.3);
  });

my $action=$cgi->param('action') || '';
my $id=$cgi->param('id') || int(rand(1000000)).time();
$fname=sprintf($tname,Digest::MD5::md5_hex("id=$id")) unless($fname);
my $sname=$cgi->script_name();
print $cgi->header();

if($action eq 'empty')
{
  print <<EOT;
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head><title>LEER</title></head><body>LEER</body></html>
EOT
}
elsif($action eq 'start')
{
  print <<EOT;
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 <head>
   <title>UPLOAD</title>
 </head>
 <body>
   <form method="post" action="$sname?id=$id" enctype="multipart/form-data" onSubmit="parent.start(); return 1">
     Datei:
     <input type="hidden" name="action" value="run">
     <input type="file" name="datei" size="40" maxlength="100000" />
     <input type="submit" name="Submit" value="Senden" />
    </form>
  </body>
</html>
EOT
}
elsif($action eq 'show')
{
  my $size=0;
  if(open(my $fh, '<', $tbase.$fname))
  {
    flock($fh, LOCK_EX);
    $size=<$fh>;
    flock($fh, LOCK_UN);
    close($fh);
  }
  print <<EOT;
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
 <head>
   <title>FORTSCHRITT</title>
   <meta http-equiv="Refresh" content="$interval; url=$sname?id=$id&action=show" />
 </head>
 <body>
   <p>SIZE:$size</p>
 </body>
</html>
EOT
}
elsif($action eq 'run')
{
  my $ufh=$cgi->param('datei');

  #if($ufh && open(my $fh, '>', 'test.out'))
  #{
  #  binmde($fh);
  #  my $buffer;
  #  while(read($ufh,$buffer,1024))
  #  { print $fh $buffer; }
  #}

  unlink($tbase.$fname);

  print <<EOT;
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
  <head><title>UPLOAD</title></head>
  <body onload="parent.finish()">
    <p>UPLOAD von $ufh Abgeschlossen</p>
    <a href="$sname" target="_top" >Eine weitere Datei hochladen</a>
  </body>
</html>
EOT
}
else
{
  $wait*=1000;
  print <<EOT;
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
  <head>
    <title>UPLOAD</title>
  </head>
  <script type="text/javascript">
  function start(){ window.setTimeout("run()", $wait); }

  function run()
  {
    document.getElementById('main').rows='*,100%';
    window.show.location.href='$sname?id=$id&action=show';
  }

  function finish()
  {
    document.getElementById('main').rows='100%,*';
    window.show.location.href='$sname?action=empty';
  }
  </script>
  <frameset rows="100%,*" border="0" id="main">
    <frame src="$sname?id=$id&action=start" scrolling="no" border="0">
    <frame src="$sname?action=empty"        id="show" name="show" scrolling="no" border="0">
    <noframes>
      <body></body>
    </noframes>
  </frameset>
</html>
EOT
}

Ich habe es damals mit Frames und etwas Javascript gemacht. Das hatte ich falsch in Erinnerung. Den Dateinamen für die temporäre Datei erzeuge ich mit MD5 aus dem QueryString.

Wenn ich die Gelegenheit dazu finde werde ich meinen vorher genannten Ansatz mal testen.

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