html/cgi-bin/memory.cgi

   1 #!/usr/bin/perl
   2 #
   3 # SmoothWall CGIs
   4 #
   5 # This code is distributed under the terms of the GPL
   6 #
   7 # (c) The SmoothWall Team
   8 #
   9 #
  10
  11 use strict;
  12
  13 # enable only the following on debugging purpose
  14 #use warnings;
  15 #use CGI::Carp 'fatalsToBrowser';
  16
  17 require '/var/ipfire/general-functions.pl';
  18 require "${General::swroot}/lang.pl";
  19 require "${General::swroot}/header.pl";
  20 require "${General::swroot}/graphs.pl";
  21
  22 my %cgiparams=();
  23
  24 &Graphs::updatememgraph ("day");
  25
  26 &Header::showhttpheaders();
  27 &Header::getcgihash(\%cgiparams);
  28 &Header::openpage($Lang::tr{'memory information'}, 1, '');
  29 &Header::openbigbox('100%', 'left');
  30
  31 &Header::openbox('100%', 'center', "Memory $Lang::tr{'graph'}");
  32 if (-e "$Header::graphdir/memory-day.png") {
  33         my $ftime = localtime((stat("$Header::graphdir/memory-day.png"))[9]);
  34         print "<center><b>$Lang::tr{'the statistics were last updated at'}: $ftime</b></center><br />\n";
  35         print "<a href='/cgi-bin/graphs.cgi?graph=memory'>";
  36         print "<img alt='' src='/graphs/memory-day.png' border='0' />";
  37         print "</a>";
  38 } else {
  39         print $Lang::tr{'no information available'};
  40 }
  41 print "<br />\n";
  42 &Header::closebox();
  43
  44 &Header::openbox('100%', 'center', "Swap $Lang::tr{'graph'}");
  45 if (-e "$Header::graphdir/swap-day.png") {
  46         my $ftime = localtime((stat("$Header::graphdir/swap-day.png"))[9]);
  47         print "<center><b>$Lang::tr{'the statistics were last updated at'}: $ftime</b></center><br />\n";
  48         print "<a href='/cgi-bin/graphs.cgi?graph=swap'>";
  49         print "<img alt='' src='/graphs/swap-day.png' border='0' />";
  50         print "</a>";
  51 } else {
  52         print $Lang::tr{'no information available'};
  53 }
  54 print "<br />\n";
  55 &Header::closebox();
  56
  57 &Header::openbox('100%', 'center', $Lang::tr{'memory'});
  58 print "<table width='95%' cellspacing='5'>";
  59 my $ram=0;
  60 my $size=0;
  61 my $used=0;
  62 my $free=0;
  63 my $percent=0;
  64 my $shared=0;
  65 my $buffers=0;
  66 my $cached=0;
  67 open(FREE,'/usr/bin/free |');
  68 while(<FREE>)
  69 {
  70         if ($_ =~ m/^\s+total\s+used\s+free\s+shared\s+buffers\s+cached$/ )
  71         {
  72     print <<END
  73 <tr>
  74 <td align='center'>&nbsp;</td>
  75 <td align='center' class='boldbase'><b>$Lang::tr{'size'}</b></td>
  76 <td align='center' class='boldbase'><b>$Lang::tr{'used'}</b></td>
  77 <td align='center' class='boldbase'><b>$Lang::tr{'free'}</b></td>
  78 <td align='left' class='boldbase' colspan='2'><b>$Lang::tr{'percentage'}</b></td>
  79 </tr>
  80 END
  81 ;
  82   } else {
  83     if ($_ =~ m/^Mem:\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)$/) {
  84       ($ram,$size,$used,$free,$shared,$buffers,$cached) = ($1,$1,$2,$3,$4,$5,$6);
  85       ($percent = ($used/$size)*100) =~ s/^(\d+)(\.\d+)?$/$1%/;
  86       print <<END
  87 <tr>
  88 <td class='boldbase'><b>$Lang::tr{'ram'}</b></td>
  89 <td align='center'>$size</td>
  90 END
  91 ;
  92     } elsif ($_ =~ m/^Swap:\s+(\d+)\s+(\d+)\s+(\d+)$/) {
  93       ($size,$used,$free) = ($1,$2,$3);
  94       if ($size != 0)
  95       {
  96         ($percent = ($used/$size)*100) =~ s/^(\d+)(\.\d+)?$/$1%/;
  97       } else {
  98         ($percent = '');
  99       }
 100       print <<END
 101 <tr>
 102 <td class='boldbase'><b>$Lang::tr{'swap'}</b></td>
 103 <td align='center'>$size</td>
 104 END
 105 ;
 106     } elsif ($ram and $_ =~ m/^-\/\+ buffers\/cache:\s+(\d+)\s+(\d+)$/ ) {
 107       ($used,$free) = ($1,$2);
 108       ($percent = ($used/$ram)*100) =~ s/^(\d+)(\.\d+)?$/$1%/;
 109       print "<tr><td colspan='2' class='boldbase'><b>$Lang::tr{'excluding buffers and cache'}</b></td>"
 110     }
 111     print <<END
 112 <td align='center'>$used</td>
 113 <td align='center'>$free</td>
 114 <td>
 115 END
 116 ;
 117     &percentbar($percent);
 118     print <<END
 119 </td>
 120 <td align='left'>$percent</td>
 121 </tr>
 122 END
 123 ;
 124   }
 125 }
 126 close FREE;
 127 print <<END
 128 <tr><td class='boldbase' colspan='2'><br /></td></tr>
 129 <tr><td class='boldbase'><b>$Lang::tr{'shared'}</b></td><td align='center'>$shared</td></tr>
 130 <tr><td class='boldbase'><b>$Lang::tr{'buffers'}</b></td><td align='center'>$buffers</td></tr>
 131 <tr><td class='boldbase'><b>$Lang::tr{'cached'}</b></td><td align='center'>$cached</td></tr>
 132 </table>
 133 END
 134 ;
 135 &Header::closebox();
 136
 137 &Header::closebigbox();
 138
 139 &Header::closepage();
 140
 141 sub percentbar
 142 {
 143   my $percent = $_[0];
 144   my $fg = '#a0a0a0';
 145   my $bg = '#e2e2e2';
 146
 147   if ($percent =~ m/^(\d+)%$/ )
 148   {
 149     print <<END
 150 <table width='100' border='1' cellspacing='0' cellpadding='0' style='border-width:1px;border-style:solid;border-color:$fg;width:100px;height:10px;'>
 151 <tr>
 152 END
 153 ;
 154     if ($percent eq "100%") {
 155       print "<td width='100%' bgcolor='$fg' style='background-color:$fg;border-style:solid;border-width:1px;border-color:$bg'>"
 156     } elsif ($percent eq "0%") {
 157       print "<td width='100%' bgcolor='$bg' style='background-color:$bg;border-style:solid;border-width:1px;border-color:$bg'>"
 158     } else {
 159       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'>"
 160     }
 161     print <<END
 162 <img src='/images/null.gif' width='1' height='1' alt='' /></td></tr></table>
 163 END
 164 ;
 165   }
 166 }