html/cgi-bin/memory.cgi

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007  Michael Tremer & Christian Schmidt                      #
   6 #                                                                             #
   7 # This program is free software: you can redistribute it and/or modify        #
   8 # it under the terms of the GNU General Public License as published by        #
   9 # the Free Software Foundation, either version 3 of the License, or           #
  10 # (at your option) any later version.                                         #
  11 #                                                                             #
  12 # This program is distributed in the hope that it will be useful,             #
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  15 # GNU General Public License for more details.                                #
  16 #                                                                             #
  17 # You should have received a copy of the GNU General Public License           #
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  19 #                                                                             #
  20 ###############################################################################
  21
  22 use strict;
  23
  24 # enable only the following on debugging purpose
  25 #use warnings;
  26 #use CGI::Carp 'fatalsToBrowser';
  27
  28 require '/var/ipfire/general-functions.pl';
  29 require "${General::swroot}/lang.pl";
  30 require "${General::swroot}/header.pl";
  31 require "${General::swroot}/graphs.pl";
  32
  33 my %cgiparams=();
  34
  35 &Graphs::updatememgraph ("day");
  36
  37 &Header::showhttpheaders();
  38 &Header::getcgihash(\%cgiparams);
  39 &Header::openpage($Lang::tr{'memory information'}, 1, '');
  40 &Header::openbigbox('100%', 'left');
  41
  42 &Header::openbox('100%', 'center', "Memory $Lang::tr{'graph'}");
  43 if (-e "$Header::graphdir/memory-day.png") {
  44         my $ftime = localtime((stat("$Header::graphdir/memory-day.png"))[9]);
  45         print "<center><b>$Lang::tr{'the statistics were last updated at'}: $ftime</b></center><br />\n";
  46         print "<a href='/cgi-bin/graphs.cgi?graph=memory'>";
  47         print "<img alt='' src='/graphs/memory-day.png' border='0' />";
  48         print "</a>";
  49 } else {
  50         print $Lang::tr{'no information available'};
  51 }
  52 print "<br />\n";
  53 &Header::closebox();
  54
  55 &Header::openbox('100%', 'center', "Swap $Lang::tr{'graph'}");
  56 if (-e "$Header::graphdir/swap-day.png") {
  57         my $ftime = localtime((stat("$Header::graphdir/swap-day.png"))[9]);
  58         print "<center><b>$Lang::tr{'the statistics were last updated at'}: $ftime</b></center><br />\n";
  59         print "<a href='/cgi-bin/graphs.cgi?graph=swap'>";
  60         print "<img alt='' src='/graphs/swap-day.png' border='0' />";
  61         print "</a>";
  62 } else {
  63         print $Lang::tr{'no information available'};
  64 }
  65 print "<br />\n";
  66 &Header::closebox();
  67
  68 &Header::openbox('100%', 'center', $Lang::tr{'memory'});
  69 print "<table width='95%' cellspacing='5'>";
  70 my $ram=0;
  71 my $size=0;
  72 my $used=0;
  73 my $free=0;
  74 my $percent=0;
  75 my $shared=0;
  76 my $buffers=0;
  77 my $cached=0;
  78 open(FREE,'/usr/bin/free |');
  79 while(<FREE>)
  80 {
  81         if ($_ =~ m/^\s+total\s+used\s+free\s+shared\s+buffers\s+cached$/ )
  82         {
  83     print <<END
  84 <tr>
  85 <td align='center'>&nbsp;</td>
  86 <td align='center' class='boldbase'><b>$Lang::tr{'size'}</b></td>
  87 <td align='center' class='boldbase'><b>$Lang::tr{'used'}</b></td>
  88 <td align='center' class='boldbase'><b>$Lang::tr{'free'}</b></td>
  89 <td align='left' class='boldbase' colspan='2'><b>$Lang::tr{'percentage'}</b></td>
  90 </tr>
  91 END
  92 ;
  93   } else {
  94     if ($_ =~ m/^Mem:\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)$/) {
  95       ($ram,$size,$used,$free,$shared,$buffers,$cached) = ($1,$1,$2,$3,$4,$5,$6);
  96       ($percent = ($used/$size)*100) =~ s/^(\d+)(\.\d+)?$/$1%/;
  97       print <<END
  98 <tr>
  99 <td class='boldbase'><b>$Lang::tr{'ram'}</b></td>
 100 <td align='center'>$size</td>
 101 END
 102 ;
 103     } elsif ($_ =~ m/^Swap:\s+(\d+)\s+(\d+)\s+(\d+)$/) {
 104       ($size,$used,$free) = ($1,$2,$3);
 105       if ($size != 0)
 106       {
 107         ($percent = ($used/$size)*100) =~ s/^(\d+)(\.\d+)?$/$1%/;
 108       } else {
 109         ($percent = '');
 110       }
 111       print <<END
 112 <tr>
 113 <td class='boldbase'><b>$Lang::tr{'swap'}</b></td>
 114 <td align='center'>$size</td>
 115 END
 116 ;
 117     } elsif ($ram and $_ =~ m/^-\/\+ buffers\/cache:\s+(\d+)\s+(\d+)$/ ) {
 118       ($used,$free) = ($1,$2);
 119       ($percent = ($used/$ram)*100) =~ s/^(\d+)(\.\d+)?$/$1%/;
 120       print "<tr><td colspan='2' class='boldbase'><b>$Lang::tr{'excluding buffers and cache'}</b></td>"
 121     }
 122     print <<END
 123 <td align='center'>$used</td>
 124 <td align='center'>$free</td>
 125 <td>
 126 END
 127 ;
 128     &percentbar($percent);
 129     print <<END
 130 </td>
 131 <td align='left'>$percent</td>
 132 </tr>
 133 END
 134 ;
 135   }
 136 }
 137 close FREE;
 138 print <<END
 139 <tr><td class='boldbase' colspan='2'><br /></td></tr>
 140 <tr><td class='boldbase'><b>$Lang::tr{'shared'}</b></td><td align='center'>$shared</td></tr>
 141 <tr><td class='boldbase'><b>$Lang::tr{'buffers'}</b></td><td align='center'>$buffers</td></tr>
 142 <tr><td class='boldbase'><b>$Lang::tr{'cached'}</b></td><td align='center'>$cached</td></tr>
 143 </table>
 144 END
 145 ;
 146 &Header::closebox();
 147
 148 &Header::closebigbox();
 149
 150 &Header::closepage();
 151
 152 sub percentbar
 153 {
 154   my $percent = $_[0];
 155   my $fg = '#a0a0a0';
 156   my $bg = '#e2e2e2';
 157
 158   if ($percent =~ m/^(\d+)%$/ )
 159   {
 160     print <<END
 161 <table width='100' border='1' cellspacing='0' cellpadding='0' style='border-width:1px;border-style:solid;border-color:$fg;width:100px;height:10px;'>
 162 <tr>
 163 END
 164 ;
 165     if ($percent eq "100%") {
 166       print "<td width='100%' bgcolor='$fg' style='background-color:$fg;border-style:solid;border-width:1px;border-color:$bg'>"
 167     } elsif ($percent eq "0%") {
 168       print "<td width='100%' bgcolor='$bg' style='background-color:$bg;border-style:solid;border-width:1px;border-color:$bg'>"
 169     } else {
 170       print "<td width='$percent' bgcolor='$fg' style='background-color:$fg;border-style:solid;border-width:1px;border-color:$bg'></td><td width='" . (100-$1) . "%' bgcolor='$bg' style='background-color:$bg;border-style:solid;border-width:1px;border-color:$bg'>"
 171     }
 172     print <<END
 173 <img src='/images/null.gif' width='1' height='1' alt='' /></td></tr></table>
 174 END
 175 ;
 176   }
 177 }