suricata: Change midstream policy to "pass-flow"

[people/pmueller/ipfire-2.x.git] / html / cgi-bin / memory.cgi

#!/usr/bin/perl
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2005-2010  IPFire Team                                        #
#                                                                             #
# This program is free software: you can redistribute it and/or modify        #
# it under the terms of the GNU General Public License as published by        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program is distributed in the hope that it will be useful,             #
# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
# GNU General Public License for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

use strict;

# enable only the following on debugging purpose
#use warnings;
#use CGI::Carp 'fatalsToBrowser';

require '/var/ipfire/general-functions.pl';
require "${General::swroot}/lang.pl";
require "${General::swroot}/header.pl";
require "${General::swroot}/graphs.pl";

my %color = ();
my %mainsettings = ();
&General::readhash("${General::swroot}/main/settings", \%mainsettings);
&General::readhash("/srv/web/ipfire/html/themes/ipfire/include/colors.txt", \%color);

&Header::showhttpheaders();
&Header::openpage($Lang::tr{'memory information'}, 1, '');
&Header::openbigbox('100%', 'left');

&Header::openbox('100%', 'center', "Memory $Lang::tr{'graph'}");
&Graphs::makegraphbox("memory.cgi","memory","day");
&Header::closebox();

if (-f "$mainsettings{'RRDLOG'}/collectd/localhost/swap") {
	&Header::openbox('100%', 'center', "Swap $Lang::tr{'graph'}");
	&Graphs::makegraphbox("memory.cgi","swap","day");
	&Header::closebox();
}

&Header::openbox('100%', 'center', $Lang::tr{'memory'});
print "<table width='95%' cellspacing='5'>";
my $size=0;
my $used=0;
my $free=0;
my $percent=0;
my $shared=0;
my $buffers=0;
my $cached=0;
my $available=0;

# output format: kibibytes, wide mode (buffers and cache in two columns)
open(my $cmd_fh, "-|", '/usr/bin/free -k -w') or die $!;
while(<$cmd_fh>){
	if ($_ =~ m/^\s+total\s+used\s+free\s+shared\s+buffers\s+cache\s+available$/ ){
		print <<END
<tr>
	<td align='center'>&nbsp;</td>
	<td align='center' class='boldbase'><b>$Lang::tr{'size'}</b></td>
	<td align='center' class='boldbase'><b>$Lang::tr{'used'}</b></td>
	<td align='center' class='boldbase'><b>$Lang::tr{'free'}</b></td>
	<td align='left' class='boldbase' colspan='2'><b>$Lang::tr{'percentage'}</b></td>
</tr>
END
;
	}else{
		if ($_ =~ m/^Mem:\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)$/){
			($size,$used,$free,$shared,$buffers,$cached,$available) = ($1,$2,$3,$4,$5,$6,$7);
			($percent = ($used/$size)*100) =~ s/^(\d+)(\.\d+)?$/$1%/;
			print <<END
<tr>
	<td class='boldbase'><b>$Lang::tr{'ram'}</b></td>
END
;
		}elsif($_ =~ m/^Swap:\s+(\d+)\s+(\d+)\s+(\d+)$/){
			($size,$used,$free) = ($1,$2,$3);
			if ($size != 0){
				($percent = ($used/$size)*100) =~ s/^(\d+)(\.\d+)?$/$1%/;
			}else{
				($percent = '');
			}
			print <<END
<tr>
	<td class='boldbase'><b>$Lang::tr{'swap'}</b></td>
END
;
		}
		print <<END
	<td align='center'>$size KiB</td>
	<td align='center'>$used KiB</td>
	<td align='center'>$free KiB</td>
	<td>
END
;
		&percentbar($percent);
		print <<END
</td>
	<td align='left'>$percent</td>
</tr>
END
;
	}
}
close($cmd_fh);
print <<END
<tr><td colspan='6'><br /></td></tr>
<tr><td class='boldbase'><b>$Lang::tr{'shared'}</b></td><td align='center'>$shared KiB</td></tr>
<tr><td class='boldbase'><b>$Lang::tr{'buffers'}</b></td><td align='center'>$buffers KiB</td></tr>
<tr><td class='boldbase'><b>$Lang::tr{'cached'}</b></td><td align='center'>$cached KiB</td></tr>
<tr><td class='boldbase'><b>$Lang::tr{'available'}</b></td><td align='center'>$available KiB</td></tr>
</table>
END
;
&Header::closebox();

&Header::closebigbox();
&Header::closepage();

sub percentbar{
	my $percent = $_[0];
	my $fg = '#a0a0a0';
	my $bg = '#e2e2e2';

	if ($percent =~ m/^(\d+)%$/ ){
		print <<END
<table width='100' border='1' cellspacing='0' cellpadding='0' style='border-width:1px;border-style:solid;border-color:$fg;width:100px;height:10px;'>
<tr>
END
;
		if ($percent eq "100%"){
			print "<td width='100%' bgcolor='$fg' style='background-color:$fg;border-style:solid;border-width:1px;border-color:$bg'>";
		}elsif($percent eq "0%"){
			print "<td width='100%' bgcolor='$bg' style='background-color:$bg;border-style:solid;border-width:1px;border-color:$bg'>";
		}else{
			print "<td width='$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'>";
		}
		print <<END
<img src='/images/null.gif' width='1' height='1' alt='' /></td></tr></table>
END
;
	}
}