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https://github.com/vincentmli/bpfire.git
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110d4c8106
include general-functions.pl load and initialize many subfunctions that are not needed by speed.cgi which was executed very often. So this reduce the system load significant if webif was open in browser and ajax-speed display enabled. Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org> Reviewed-by: Bernhard Bitsch <bbitsch@ipfire.org> Signed-off-by: Arne Fitzenreiter <arne_f@ipfire.org>
129 lines
4.1 KiB
Perl
129 lines
4.1 KiB
Perl
#!/usr/bin/perl
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###############################################################################
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# #
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# IPFire.org - A linux based firewall #
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# Copyright (C) 2007 Michael Tremer & Christian Schmidt #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <http://www.gnu.org/licenses/>. #
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# #
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###############################################################################
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###############################################################################
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# functions copied from general-functions.pl for speed improvement because #
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# loading and initializing the whole general-functions.pl every second create #
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# high system load #
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###########################################OA##################################
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#
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# Returns the output of a shell command
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sub General__system_output($) {
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my @command = @_;
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my $pid;
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my @output = ();
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unless ($pid = open(OUTPUT, "-|")) {
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open(STDERR, ">&STDOUT");
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exec { ${command[0]} } @command;
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die "Could not execute @command: $!";
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}
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waitpid($pid, 0);
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while (<OUTPUT>) {
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push(@output, $_);
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}
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close(OUTPUT);
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return @output;
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}
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#
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# Function which will return the used interface for the red network zone (red0, ppp0, etc).
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sub General__get_red_interface() {
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open(IFACE, "/var/ipfire/red/iface") or die "Could not open /var/ipfire/red/iface";
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my $interface = <IFACE>;
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close(IFACE);
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chomp $interface;
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return $interface;
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}
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#
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###############################################################################
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my $data_last = $ENV{'QUERY_STRING'};
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my $rxb_last = 0;
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my $txb_last = 0;
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my (@fields, $field, $name, $value);
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@fields = split(/&/, $data_last);
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foreach $field (@fields) {
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($name, $value) = split(/=/, $field);
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$value =~ tr/+/ /;
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$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C", hex($1))/eg;
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if ("$name" eq "rxb_last") {
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$rxb_last = $value;
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} elsif ("$name" eq "txb_last") {
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$txb_last = $value;
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}
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}
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my $interface = &General__get_red_interface();
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my @data_now = &General__system_output("ip", "-s", "link", "show", "$interface");
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my $lastline;
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my $rxb_now = 0;
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my $txb_now = 0;
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foreach (@data_now) {
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if ( $lastline =~ /RX/ ) {
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@fields = split(/ /, $_);
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$rxb_now = $fields[4];
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} elsif ( $lastline =~ /TX/ ) {
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@fields = split(/ /, $_);
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$txb_now = $fields[4];
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}
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$lastline = $_;
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}
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my ($rx_kbs, $tx_kbs);
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my $rxb_diff = $rxb_now - $rxb_last;
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my $txb_diff = $txb_now - $txb_last;
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if(( $rxb_diff == $rxb_now ) && ( $txb_diff == $txb_now ))
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{
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$rx_kbs = "0";
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$tx_kbs = "0";
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}
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else
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{
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$rx_kbs = $rxb_diff / 1024;
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$rx_kbs = $rx_kbs / 3.2;
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$rx_kbs = int($rx_kbs);
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$tx_kbs = $txb_diff / 1024;
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$tx_kbs = $tx_kbs / 3.2;
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$tx_kbs = int($tx_kbs);
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}
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print "pragma: no-cache\n";
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print "Content-type: text/xml\n\n";
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print "<?xml version=\"1.0\"?>\n";
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print <<END
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<inetinfo>
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<rx_kbs>$tx_kbs kb/s</rx_kbs>
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<tx_kbs>$rx_kbs kb/s</tx_kbs>
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<rxb>$rxb_now</rxb>
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<txb>$txb_now</txb>
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</inetinfo>
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END
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;
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