html/cgi-bin/speed.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 my $data_last = $ENV{'QUERY_STRING'};
  23 my $rxb_last = 0;
  24 my $txb_last = 0;
  25
  26 my (@fields, $field, $name, $value);
  27 @fields = split(/&/, $data_last);
  28 foreach $field (@fields) {
  29   ($name, $value) = split(/=/, $field);
  30   $value =~ tr/+/ /;
  31   $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;
  32   if ("$name" eq "rxb_last") {
  33                 $rxb_last = $value;
  34         } elsif ("$name" eq "txb_last") {
  35                 $txb_last = $value;
  36         }
  37 }
  38
  39 my $interface = `cat /var/ipfire/red/iface 2>/dev/null`;
  40 my @data_now = `ip -s link show $interface 2>/dev/null`;
  41
  42 my $lastline;
  43 my $rxb_now = 0;
  44 my $txb_now = 0;
  45 foreach (@data_now) {
  46         if ( $lastline =~ /RX/ ) {
  47                 @fields = split(/ /, $_);
  48                 $rxb_now = $fields[4];
  49         } elsif ( $lastline =~ /TX/ ) {
  50                 @fields = split(/ /, $_);
  51                 $txb_now = $fields[4];
  52         }
  53         $lastline = $_;
  54 }
  55
  56 my ($rx_kbs, $tx_kbs);
  57 my $rxb_diff    = $rxb_now - $rxb_last;
  58 my $txb_diff    = $txb_now - $txb_last;
  59
  60 if(( $rxb_diff == $rxb_now ) && ( $txb_diff == $txb_now ))
  61 {
  62         $rx_kbs = "0";
  63         $tx_kbs = "0";
  64 }
  65 else
  66 {
  67         $rx_kbs = $rxb_diff / 1024;
  68         $rx_kbs = $rx_kbs / 3.2;
  69         $rx_kbs = int($rx_kbs);
  70         $tx_kbs = $txb_diff / 1024;
  71         $tx_kbs = $tx_kbs / 3.2;
  72         $tx_kbs = int($tx_kbs);
  73 }
  74
  75 print "pragma: no-cache\n";
  76 print "Content-type: text/xml\n\n";
  77 print "<?xml version=\"1.0\"?>\n";
  78 print <<END
  79 <inetinfo>
  80  <rx_kbs>$tx_kbs kb/s</rx_kbs>
  81  <tx_kbs>$rx_kbs kb/s</tx_kbs>
  82  <rxb>$rxb_now</rxb>
  83  <txb>$txb_now</txb>
  84 </inetinfo>
  85 END
  86 ;