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[ipfire-2.x.git] / html / cgi-bin / memory.cgi
1 #!/usr/bin/perl
2 ###############################################################################
3 # #
4 # IPFire.org - A linux based firewall #
5 # Copyright (C) 2005-2010 IPFire Team #
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 "${General::swroot}/graphs.pl";
32
33 my %color = ();
34 my %mainsettings = ();
35 &General::readhash("${General::swroot}/main/settings", \%mainsettings);
36 &General::readhash("/srv/web/ipfire/html/themes/".$mainsettings{'THEME'}."/include/colors.txt", \%color);
37
38 my @querry = split(/\?/,$ENV{'QUERY_STRING'});
39 $querry[0] = '' unless defined $querry[0];
40 $querry[1] = 'hour' unless defined $querry[1];
41
42 if ( $querry[0] =~ "memory"){
43 print "Content-type: image/png\n\n";
44 binmode(STDOUT);
45 &Graphs::updatememorygraph($querry[1]);
46 }elsif ( $querry[0] =~ "swap"){
47 print "Content-type: image/png\n\n";
48 binmode(STDOUT);
49 &Graphs::updateswapgraph($querry[1]);
50 }else{
51 &Header::showhttpheaders();
52 &Header::openpage($Lang::tr{'memory information'}, 1, '');
53 &Header::openbigbox('100%', 'left');
54
55 &Header::openbox('100%', 'center', "Memory $Lang::tr{'graph'}");
56 &Graphs::makegraphbox("memory.cgi","memory","day");
57 &Header::closebox();
58
59 if ( `ls $mainsettings{'RRDLOG'}/collectd/localhost/swap 2>/dev/null` ) {
60 &Header::openbox('100%', 'center', "Swap $Lang::tr{'graph'}");
61 &Graphs::makegraphbox("memory.cgi","swap","day");
62 &Header::closebox();
63 }
64
65 &Header::openbox('100%', 'center', $Lang::tr{'memory'});
66 print "<table width='95%' cellspacing='5'>";
67 my $ram=0;
68 my $size=0;
69 my $used=0;
70 my $free=0;
71 my $percent=0;
72 my $shared=0;
73 my $buffers=0;
74 my $cached=0;
75
76 open(FREE,'/usr/bin/free |');
77 while(<FREE>){
78 if ($_ =~ m/^\s+total\s+used\s+free\s+shared\s+buffers\s+cached$/ ){
79 print <<END
80 <tr>
81 <td align='center'>&nbsp;</td>
82 <td align='center' class='boldbase'><b>$Lang::tr{'size'}</b></td>
83 <td align='center' class='boldbase'><b>$Lang::tr{'used'}</b></td>
84 <td align='center' class='boldbase'><b>$Lang::tr{'free'}</b></td>
85 <td align='left' class='boldbase' colspan='2'><b>$Lang::tr{'percentage'}</b></td>
86 </tr>
87 END
88 ;
89 }else{
90 if ($_ =~ m/^Mem:\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)$/){
91 ($ram,$size,$used,$free,$shared,$buffers,$cached) = ($1,$1,$2,$3,$4,$5,$6);
92 ($percent = ($used/$size)*100) =~ s/^(\d+)(\.\d+)?$/$1%/;
93 print <<END
94 <tr>
95 <td class='boldbase'><b>$Lang::tr{'ram'}</b></td>
96 <td align='center'>$size KB</td>
97 END
98 ;
99 }elsif($_ =~ m/^Swap:\s+(\d+)\s+(\d+)\s+(\d+)$/){
100 ($size,$used,$free) = ($1,$2,$3);
101 if ($size != 0){
102 ($percent = ($used/$size)*100) =~ s/^(\d+)(\.\d+)?$/$1%/;
103 }else{
104 ($percent = '');
105 }
106 print <<END
107 <tr>
108 <td class='boldbase'><b>$Lang::tr{'swap'}</b></td>
109 <td align='center'>$size KB</td>
110 END
111 ;
112 }elsif($ram and $_ =~ m/^-\/\+ buffers\/cache:\s+(\d+)\s+(\d+)$/ ){
113 ($used,$free) = ($1,$2);
114 ($percent = ($used/$ram)*100) =~ s/^(\d+)(\.\d+)?$/$1%/;
115 print "<tr><td colspan='2' class='boldbase'><b>$Lang::tr{'excluding buffers and cache'}</b></td>";
116 }
117 print <<END
118 <td align='center'>$used KB</td>
119 <td align='center'>$free KB</td>
120 <td>
121 END
122 ;
123 &percentbar($percent);
124 print <<END
125 </td>
126 <td align='left'>$percent</td>
127 </tr>
128 END
129 ;
130 }
131 }
132 close FREE;
133 print <<END
134 <tr><td class='boldbase' colspan='2'><br /></td></tr>
135 <tr><td class='boldbase'><b>$Lang::tr{'shared'}</b></td><td align='center'>$shared KB</td></tr>
136 <tr><td class='boldbase'><b>$Lang::tr{'buffers'}</b></td><td align='center'>$buffers KB</td></tr>
137 <tr><td class='boldbase'><b>$Lang::tr{'cached'}</b></td><td align='center'>$cached KB</td></tr>
138 </table>
139 END
140 ;
141 &Header::closebox();
142
143 &Header::closebigbox();
144 &Header::closepage();
145 }
146
147 sub percentbar{
148 my $percent = $_[0];
149 my $fg = '#a0a0a0';
150 my $bg = '#e2e2e2';
151
152 if ($percent =~ m/^(\d+)%$/ ){
153 print <<END
154 <table width='100' border='1' cellspacing='0' cellpadding='0' style='border-width:1px;border-style:solid;border-color:$fg;width:100px;height:10px;'>
155 <tr>
156 END
157 ;
158 if ($percent eq "100%"){
159 print "<td width='100%' bgcolor='$fg' style='background-color:$fg;border-style:solid;border-width:1px;border-color:$bg'>";
160 }elsif($percent eq "0%"){
161 print "<td width='100%' bgcolor='$bg' style='background-color:$bg;border-style:solid;border-width:1px;border-color:$bg'>";
162 }else{
163 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'>";
164 }
165 print <<END
166 <img src='/images/null.gif' width='1' height='1' alt='' /></td></tr></table>
167 END
168 ;
169 }
170 }