html/cgi-bin/speed.cgi

   1 #!/usr/bin/perl
   2 ###############################################################################
   3 #                                                                             #
   4 # IPFire.org - A linux based firewall                                         #
   5 # Copyright (C) 2007-2021  IPFire Twan  <info@ipfire.org>                     #
   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 ###############################################################################
  23 # functions copied from general-functions.pl for speed improvement because    #
  24 # loading and initializing the whole general-functions.pl every second create #
  25 # high system load                                                            #
  26 ###########################################OA##################################
  27 #
  28 # Function which will return the used interface for the red network zone (red0, ppp0, etc).
  29 sub General__get_red_interface() {
  30
  31      open(IFACE, "/var/ipfire/red/iface") or die "Could not open /var/ipfire/red/iface";
  32
  33      my $interface = <IFACE>;
  34      close(IFACE);
  35      chomp $interface;
  36
  37      return $interface;
  38 }
  39 #
  40 ###############################################################################
  41
  42 my $data_last = $ENV{'QUERY_STRING'};
  43 my $rxb_last = 0;
  44 my $txb_last = 0;
  45
  46 my (@fields, $field, $name, $value);
  47 @fields = split(/&/, $data_last);
  48 foreach $field (@fields) {
  49   ($name, $value) = split(/=/, $field);
  50   $value =~ tr/+/ /;
  51   $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;
  52   if ("$name" eq "rxb_last") {
  53                 $rxb_last = $value;
  54         } elsif ("$name" eq "txb_last") {
  55                 $txb_last = $value;
  56         }
  57 }
  58
  59 my $interface = &General__get_red_interface();
  60
  61 open(RX, "/sys/class/net/$interface/statistics/rx_bytes") or die "Could not open /sys/class/net/$interface/statistics/rx_bytes";
  62 my $rxb_now = <RX>;
  63 close(RX);
  64 chomp $rxb_now;
  65
  66 open(TX, "/sys/class/net/$interface/statistics/tx_bytes") or die "Could not open /sys/class/net/$interface/statistics/tx_bytes";
  67 my $txb_now = <TX>;
  68 close(TX);
  69 chomp $txb_now;
  70
  71 my ($rx_kbs, $tx_kbs);
  72 my $rxb_diff    = $rxb_now - $rxb_last;
  73 my $txb_diff    = $txb_now - $txb_last;
  74
  75 if(( $rxb_diff == $rxb_now ) && ( $txb_diff == $txb_now ))
  76 {
  77         $rx_kbs = "0";
  78         $tx_kbs = "0";
  79 }
  80 else
  81 {
  82         $rx_kbs = $rxb_diff / 1024;
  83         $rx_kbs = $rx_kbs / 3.2;
  84         $rx_kbs = int($rx_kbs);
  85         $tx_kbs = $txb_diff / 1024;
  86         $tx_kbs = $tx_kbs / 3.2;
  87         $tx_kbs = int($tx_kbs);
  88 }
  89
  90 print "pragma: no-cache\n";
  91 print "Content-type: text/xml\n\n";
  92 print "<?xml version=\"1.0\"?>\n";
  93 print <<END
  94 <inetinfo>
  95  <rx_kbs>$tx_kbs kb/s</rx_kbs>
  96  <tx_kbs>$rx_kbs kb/s</tx_kbs>
  97  <rxb>$rxb_now</rxb>
  98  <txb>$txb_now</txb>
  99 </inetinfo>
 100 END
 101 ;