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Monitorix/lib/port.pm

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#
# Monitorix - A lightweight system monitoring tool.
#
# Copyright (C) 2005-2022 by Jordi Sanfeliu <jordi@fibranet.cat>
#
# 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 2 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
package port;
use strict;
use warnings;
use Monitorix;
use RRDs;
use Time::HiRes;
use POSIX qw(strftime setlocale LC_ALL);
use Exporter 'import';
our @EXPORT = qw(port_init port_update port_cgi);
# Force a standard locale
$ENV{LANG} = "";
setlocale(LC_ALL, "C");
sub measure {
my ($myself, $config, $port) = @_;
my @i_in;
my @i_out;
my @o_in;
my @o_out;
my $table = $config->{ip_default_table};
my $epoc_identifier = "last_epoc";
my $last_epoc = ($config->{port_hist_time}->{$epoc_identifier} || 0);
my $epoc = Time::HiRes::time();
$config->{port_hist_time}->{$epoc_identifier} = $epoc;
my $delta_t = ($last_epoc ne 0) ? ($epoc - $last_epoc) : 60;
my $rrdata = "N";
if($config->{os} eq "Linux") {
my @data;
my $l;
my $cmd;
my $cmd6;
$cmd = "iptables" . $config->{iptables_wait_lock};
$cmd6 = "ip6tables" . $config->{iptables_wait_lock};
open(IN, "$cmd -t $table -nxvL INPUT 2>/dev/null |");
@data = <IN>;
close(IN);
if(lc($config->{ipv6_disabled} || "") ne "y") {
open(IN, "$cmd6 -t $table -nxvL INPUT 2>/dev/null |");
push(@data, <IN>);
close(IN);
}
for($l = 0; $l < scalar(@data); $l++) {
for(my $n = 0; $n < $port->{max}; $n++) {
$i_in[$n] = 0 unless $i_in[$n];
$o_in[$n] = 0 unless $o_in[$n];
if($data[$l] =~ / monitorix_IN_$n /) {
my (undef, $bytes) = split(' ', $data[$l]);
chomp($bytes);
$i_in[$n] = $bytes - ($config->{port_hist_i_in}[$n] || 0);
$i_in[$n] = 0 unless $i_in[$n] != $bytes;
$config->{port_hist_i_in}[$n] = $bytes;
$i_in[$n] /= $delta_t;
}
if($data[$l] =~ / monitorix_OUT_$n /) {
my (undef, $bytes) = split(' ', $data[$l]);
chomp($bytes);
$o_in[$n] = $bytes - ($config->{port_hist_o_in}[$n] || 0);
$o_in[$n] = 0 unless $o_in[$n] != $bytes;
$config->{port_hist_o_in}[$n] = $bytes;
$o_in[$n] /= $delta_t;
}
}
}
open(IN, "$cmd -t $table -nxvL OUTPUT 2>/dev/null |");
@data = <IN>;
close(IN);
if(lc($config->{ipv6_disabled} || "") ne "y") {
open(IN, "$cmd6 -t $table -nxvL OUTPUT 2>/dev/null |");
push(@data, <IN>);
close(IN);
}
for($l = 0; $l < scalar(@data); $l++) {
for(my $n = 0; $n < $port->{max}; $n++) {
$o_out[$n] = 0 unless $o_out[$n];
$i_out[$n] = 0 unless $i_out[$n];
if($data[$l] =~ / monitorix_OUT_$n /) {
my (undef, $bytes) = split(' ', $data[$l]);
chomp($bytes);
$o_out[$n] = $bytes - ($config->{port_hist_o_out}[$n] || 0);
$o_out[$n] = 0 unless $o_out[$n] != $bytes;
$config->{port_hist_o_out}[$n] = $bytes;
$o_out[$n] /= $delta_t;
}
if($data[$l] =~ / monitorix_IN_$n /) {
my (undef, $bytes) = split(' ', $data[$l]);
chomp($bytes);
$i_out[$n] = $bytes - ($config->{port_hist_i_out}[$n] || 0);
$i_out[$n] = 0 unless $i_out[$n] != $bytes;
$config->{port_hist_i_out}[$n] = $bytes;
$i_out[$n] /= $delta_t;
}
}
}
}
if(grep {$_ eq $config->{os}} ("FreeBSD", "OpenBSD", "NetBSD")) {
my @pl = split(',', $port->{list});
open(IN, "ipfw show $port->{rule} 2>/dev/null |");
while(<IN>) {
for(my $n = 0; $n < $port->{max}; $n++) {
$i_in[$n] = 0 unless $i_in[$n];
$o_in[$n] = 0 unless $o_in[$n];
$pl[$n] = trim($pl[$n]);
my ($np) = ($pl[$n] =~ m/^(\d+).*?/);
if(/ from any to me dst-port $np$/) {
my (undef, undef, $bytes) = split(' ', $_);
chomp($bytes);
$i_in[$n] = $bytes - ($config->{port_hist_i_in}[$n] || 0);
$i_in[$n] = 0 unless $i_in[$n] != $bytes;
$config->{port_hist_i_in}[$n] = $bytes;
$i_in[$n] /= $delta_t;
}
$o_out[$n] = 0 unless $o_out[$n];
$i_out[$n] = 0 unless $i_out[$n];
if(/ from me $np to any$/) {
my (undef, undef, $bytes) = split(' ', $_);
chomp($bytes);
$i_out[$n] = $bytes - ($config->{port_hist_i_out}[$n] || 0);
$i_out[$n] = 0 unless $i_out[$n] != $bytes;
$config->{port_hist_i_out}[$n] = $bytes;
$i_out[$n] /= $delta_t;
}
}
}
close(IN);
}
for(my $n = 0; $n < $port->{max}; $n++) {
$rrdata .= ":$i_in[$n]:$i_out[$n]:$o_in[$n]:$o_out[$n]";
}
return $rrdata;
}
sub port_init {
my $myself = (caller(0))[3];
my ($package, $config, $debug) = @_;
my $rrd = $config->{base_lib} . $package . ".rrd";
my $port = $config->{port};
my $cmd;
my $info;
my @ds;
my @rra;
my @tmp;
my $n;
my @average;
my @min;
my @max;
my @last;
my $table = $config->{ip_default_table};
if(-e $rrd) {
$info = RRDs::info($rrd);
for my $key (keys %$info) {
if(index($key, 'ds[') == 0) {
if(index($key, '.type') != -1) {
push(@ds, substr($key, 3, index($key, ']') - 3));
}
}
if(index($key, 'rra[') == 0) {
if(index($key, '.rows') != -1) {
push(@rra, substr($key, 4, index($key, ']') - 4));
}
}
}
if(scalar(@ds) / 4 != $port->{max}) {
logger("$myself: Detected size mismatch between 'max = $port->{max}' and $rrd (" . scalar(@ds) / 4 . "). Resizing it accordingly. All historical data will be lost. Backup file created.");
rename($rrd, "$rrd.bak");
}
if(scalar(@rra) < 12 + (4 * $config->{max_historic_years})) {
logger("$myself: Detected size mismatch between 'max_historic_years' (" . $config->{max_historic_years} . ") and $rrd (" . ((scalar(@rra) -12) / 4) . "). Resizing it accordingly. All historical data will be lost. Backup file created.");
rename($rrd, "$rrd.bak");
}
}
if(!(-e $rrd)) {
logger("Creating '$rrd' file.");
for($n = 1; $n <= $config->{max_historic_years}; $n++) {
push(@average, "RRA:AVERAGE:0.5:1440:" . (365 * $n));
push(@min, "RRA:MIN:0.5:1440:" . (365 * $n));
push(@max, "RRA:MAX:0.5:1440:" . (365 * $n));
push(@last, "RRA:LAST:0.5:1440:" . (365 * $n));
}
for($n = 0; $n < $port->{max}; $n++) {
push(@tmp, "DS:port" . $n . "_i_in:GAUGE:120:0:U");
push(@tmp, "DS:port" . $n . "_i_out:GAUGE:120:0:U");
push(@tmp, "DS:port" . $n . "_o_in:GAUGE:120:0:U");
push(@tmp, "DS:port" . $n . "_o_out:GAUGE:120:0:U");
}
eval {
RRDs::create($rrd,
"--step=60",
@tmp,
"RRA:AVERAGE:0.5:1:1440",
"RRA:AVERAGE:0.5:30:336",
"RRA:AVERAGE:0.5:60:744",
@average,
"RRA:MIN:0.5:1:1440",
"RRA:MIN:0.5:30:336",
"RRA:MIN:0.5:60:744",
@min,
"RRA:MAX:0.5:1:1440",
"RRA:MAX:0.5:30:336",
"RRA:MAX:0.5:60:744",
@max,
"RRA:LAST:0.5:1:1440",
"RRA:LAST:0.5:30:336",
"RRA:LAST:0.5:60:744",
@last,
);
};
my $err = RRDs::error;
if($@ || $err) {
logger("$@") unless !$@;
if($err) {
logger("ERROR: while creating $rrd: $err");
if($err eq "RRDs::error") {
logger("... is the RRDtool Perl package installed?");
}
}
return;
}
}
if(scalar(my @pls = split(',', $port->{list})) > $port->{max}) {
logger("$myself: WARNING: 'max' option indicates less ports than really defined in 'list'.");
}
if(lc($config->{use_external_firewall} || "") eq "n") {
if($config->{os} eq "Linux") {
my $num;
my @line;
# set the iptables rules for each defined port
my @pl = split(',', $port->{list});
for($n = 0; $n < min($port->{max}, scalar(@pl)); $n++) {
$pl[$n] = trim($pl[$n]);
my ($np) = ($pl[$n] =~ m/^(\d+).*?/);
if(!$port->{desc}->{$pl[$n]}) {
logger("$myself: port number '$np' listed but not defined.");
next;
}
# support for port range (i.e: 49152:65534)
if(index($pl[$n], ":") != -1) {
($np) = ($pl[$n] =~ m/^(\d+:\d+).*?/);
}
if($pl[$n] && $np) {
my $p = trim(lc((split(',', $port->{desc}->{$pl[$n]}))[1])) || "";
if(! grep {$_ eq $p} ("tcp", "udp", "tcp6", "udp6")) {
logger("$myself: Invalid protocol name '$p' in port '$pl[$n]'.");
next;
}
$cmd = "iptables" . $config->{iptables_wait_lock};
if(grep {$_ eq $p} ("tcp6", "udp6")) {
if(lc($config->{ipv6_disabled} || "") eq "y") {
logger("$myself: IPv6 is explicitly disabled, you shouldn't want to monitor 'tcp6' or 'udp6' protocols.");
next;
}
$cmd = "ip6tables" . $config->{iptables_wait_lock};
$p =~ s/6//;
}
my $conn = trim(lc((split(',', $port->{desc}->{$pl[$n]}))[2]));
if($conn eq "in" || $conn eq "in/out") {
system("$cmd -t $table -N monitorix_IN_$n 2>/dev/null");
system("$cmd -t $table -I INPUT -p $p --sport 1024:65535 --dport $np -m conntrack --ctstate NEW,ESTABLISHED,RELATED -j monitorix_IN_$n -c 0 0");
system("$cmd -t $table -I OUTPUT -p $p --sport $np --dport 1024:65535 -m conntrack --ctstate ESTABLISHED,RELATED -j monitorix_IN_$n -c 0 0");
}
if($conn eq "out" || $conn eq "in/out") {
system("$cmd -t $table -N monitorix_OUT_$n 2>/dev/null");
system("$cmd -t $table -I INPUT -p $p --sport $np --dport 1024:65535 -m conntrack --ctstate ESTABLISHED,RELATED -j monitorix_OUT_$n -c 0 0");
system("$cmd -t $table -I OUTPUT -p $p --sport 1024:65535 --dport $np -m conntrack --ctstate NEW,ESTABLISHED,RELATED -j monitorix_OUT_$n -c 0 0");
}
if($conn ne "in" && $conn ne "out" && $conn ne "in/out") {
logger("$myself: Invalid connection type '$conn'; must be 'in', 'out' or 'in/out'.");
}
}
}
}
}
if(grep {$_ eq $config->{os}} ("FreeBSD", "OpenBSD", "NetBSD")) {
# set the ipfw rules for each defined port
my @pl = split(',', $port->{list});
for($n = 0; $n < min($port->{max}, scalar(@pl)); $n++) {
$pl[$n] = trim($pl[$n]);
my ($np) = ($pl[$n] =~ m/^(\d+).*?/);
if($pl[$n] && $np) {
my $p = lc((split(',', $port->{desc}->{$pl[$n]}))[1]) || "all";
# in/out not supported yet FIXME
$p =~ s/6//; # tcp6, udp6, ... not supported
system("ipfw -q add $port->{rule} count $p from me $np to any");
system("ipfw -q add $port->{rule} count $p from any to me $np");
}
}
}
$config->{port_hist_in} = ();
$config->{port_hist_out} = ();
$config->{port_hist_time} = ();
push(@{$config->{func_update}}, $package);
measure($myself, $config, $port); # Call to measuring routine to initialize the last values for calculating the differences. This way, the first update call will actually measure correct values.
logger("$myself: Ok") if $debug;
}
sub port_update {
my $myself = (caller(0))[3];
my ($package, $config, $debug) = @_;
my $rrd = $config->{base_lib} . $package . ".rrd";
my $port = $config->{port};
my $rrdata = measure($myself, $config, $port);
RRDs::update($rrd, $rrdata);
logger("$myself: $rrdata") if $debug;
my $err = RRDs::error;
logger("ERROR: while updating $rrd: $err") if $err;
}
sub port_cgi {
my ($package, $config, $cgi) = @_;
my @output;
my $port = $config->{port};
my $tf = $cgi->{tf};
my $colors = $cgi->{colors};
my $graph = $cgi->{graph};
my $silent = $cgi->{silent};
my $zoom = $config->{global_zoom};
my %rrd = (
'new' => \&RRDs::graphv,
'old' => \&RRDs::graph,
);
my $version = "new";
my @full_size_mode;
my $pic;
my $picz;
my $picz_width;
my $picz_height;
my $u = "";
my $width;
my $height;
my @extra;
my @riglim;
my @warning;
my @IMG;
my @IMGz;
my $name;
my @tmp;
my @tmpz;
my @CDEF;
my $T = "B";
my $vlabel = "bytes/s";
my $n;
my $n2;
my $n3;
my $str;
my $err;
$version = "old" if $RRDs::VERSION < 1.3;
push(@full_size_mode, "--full-size-mode") if $RRDs::VERSION > 1.3;
my $rrd = $config->{base_lib} . $package . ".rrd";
my $title = $config->{graph_title}->{$package};
my $IMG_DIR = $config->{base_dir} . "/" . $config->{imgs_dir};
my $imgfmt_uc = uc($config->{image_format});
my $imgfmt_lc = lc($config->{image_format});
foreach my $i (split(',', $config->{rrdtool_extra_options} || "")) {
push(@extra, trim($i)) if trim($i);
}
$title = !$silent ? $title : "";
if(lc($config->{netstats_in_bps}) eq "y") {
$T = "b";
$vlabel = "bits/s";
}
# text mode
#
if(lc($config->{iface_mode}) eq "text") {
if($title) {
push(@output, main::graph_header($title, 2));
push(@output, " <tr>\n");
push(@output, " <td>\n");
}
my (undef, undef, undef, $data) = RRDs::fetch("$rrd",
"--resolution=$tf->{res}",
"--start=-$tf->{nwhen}$tf->{twhen}",
"AVERAGE");
$err = RRDs::error;
push(@output, "ERROR: while fetching $rrd: $err\n") if $err;
my $line1;
my $line2;
push(@output, " <pre style='font-size: 12px; color: $colors->{fg_color}';>\n");
push(@output, " ");
my $max = min($port->{max}, scalar(my @pl = split(',', $port->{list})));
for($n = 0; $n < $max; $n++) {
$pl[$n] = trim($pl[$n]);
my $pn = trim((split(',', $port->{desc}->{$pl[$n]}))[0]);
my $pc = trim((split(',', $port->{desc}->{$pl[$n]}))[2]);
foreach(split('/', $pc)) {
push(@output, sprintf(" %-5s %10s", $pl[$n], uc(trim($_)) . "-" . $pn));
$line1 .= " K$T/s_I K$T/s_O";
$line2 .= "-------------------";
}
}
push(@output, "\n");
push(@output, "Time$line1\n");
push(@output, "----$line2 \n");
my $line;
my @row;
my $time;
my $n2;
my $from;
my $to;
for($n = 0, $time = $tf->{tb}; $n < ($tf->{tb} * $tf->{ts}); $n++) {
$line = @$data[$n];
$time = $time - (1 / $tf->{ts});
push(@output, sprintf(" %2d$tf->{tc} ", $time));
for($n2 = 0; $n2 < $max; $n2++) {
$pl[$n2] = trim($pl[$n2]);
my $pc = trim((split(',', $port->{desc}->{$pl[$n2]}))[2]);
$from = $n2 * 4;
$to = $from + 3;
my ($i_in, $i_out, $o_in, $o_out) = @$line[$from..$to];
my $k_i_in = ($i_in || 0) / 1024;
my $k_i_out = ($i_out || 0) / 1024;
my $k_o_in = ($o_in || 0) / 1024;
my $k_o_out = ($o_out || 0) / 1024;
if(lc($config->{netstats_in_bps}) eq "y") {
$k_i_in *= 8;
$k_i_out *= 8;
$k_o_in *= 8;
$k_o_out *= 8;
}
foreach(split('/', $pc)) {
if(lc($_) eq "in") {
@row = ($k_i_in, $k_i_out);
push(@output, sprintf(" %6d %6d ", @row));
}
if(lc($_) eq "out") {
@row = ($k_o_in, $k_o_out);
push(@output, sprintf(" %6d %6d ", @row));
}
}
}
push(@output, "\n");
}
push(@output, " </pre>\n");
if($title) {
push(@output, " </td>\n");
push(@output, " </tr>\n");
push(@output, main::graph_footer());
}
push(@output, " <br>\n");
return @output;
}
# graph mode
#
if($silent eq "yes" || $silent eq "imagetag") {
$zoom = 1; # force 'global_zoom' to 1 in Multihost viewer
$colors->{fg_color} = "#000000"; # visible color for text mode
$u = "_";
}
if($silent eq "imagetagbig") {
$zoom = 1; # force 'global_zoom' to 1 in Multihost viewer
$colors->{fg_color} = "#000000"; # visible color for text mode
$u = "";
}
my $global_zoom = "--zoom=" . $zoom;
my $max = min($port->{max}, scalar(my @pl = split(',', $port->{list})));
for($n = 0; $n < $max; $n++) {
$pl[$n] = trim($pl[$n]);
next if !$port->{desc}->{$pl[$n]};
my $pc = trim((split(',', $port->{desc}->{$pl[$n]}))[2]);
foreach my $conn (split('/', $pc)) {
$str = $u . $package . $n . substr($conn, 0 ,1) . "." . $tf->{when} . ".$imgfmt_lc";
push(@IMG, $str);
unlink("$IMG_DIR" . $str);
if(lc($config->{enable_zoom}) eq "y") {
$str = $u . $package . $n . substr($conn, 0 ,1) . "z." . $tf->{when} . ".$imgfmt_lc";
push(@IMGz, $str);
unlink("$IMG_DIR" . $str);
}
}
}
$n = $n3 = 0;
$n2 = 1;
while($n < $max) {
next unless $pl[$n];
# continue if port was listed but not defined
if(!$port->{desc}->{$pl[$n]}) {
$n++;
next;
}
if($title) {
if($n == 0) {
push(@output, main::graph_header($title, $port->{graphs_per_row}));
}
if($n2 == 1) {
push(@output, " <tr>\n");
}
}
my $pc = trim((split(',', $port->{desc}->{$pl[$n]}))[2]);
foreach my $pcon (split('/', $pc)) {
if($title) {
push(@output, " <td>\n");
}
my $pnum;
$pl[$n] = trim($pl[$n]);
my $num = ($pl[$n] =~ m/^(\d+).*?/)[0]; # strips any suffix from port number
my $pn = trim((split(',', $port->{desc}->{$pl[$n]}))[0]);
my $pp = trim((split(',', $port->{desc}->{$pl[$n]}))[1]);
$pp =~ s/6//;
my $prig = trim((split(',', $port->{desc}->{$pl[$n]}))[3]);
my $plim = trim((split(',', $port->{desc}->{$pl[$n]}))[4]);
my $plis = trim((split(',', $port->{desc}->{$pl[$n]}))[5]);
@riglim = @{setup_riglim($prig, $plim)};
# check if the network port is still listening
undef(@warning);
if(uc($plis || "") eq "L") {
if($config->{os} eq "Linux") {
my $cmd = $port->{cmd} || "";
if(!$cmd) {
$cmd = "ss";
}
open(IN, "$cmd -nl --$pp |");
while(<IN>) {
(undef, undef, undef, $pnum) = split(' ', $_);
chomp($pnum);
$pnum =~ s/.*://;
if($pnum eq $num) {
last;
}
}
close(IN);
}
if(grep {$_ eq $config->{os}} ("FreeBSD", "OpenBSD")) {
open(IN, "netstat -anl -p $pp |");
while(<IN>) {
my $stat;
(undef, undef, undef, $pnum, undef, $stat) = split(' ', $_);
chomp($stat);
if($stat eq "LISTEN") {
chomp($pnum);
($pnum) = ($pnum =~ m/^.*?(\.\d+$)/);
$pnum =~ s/\.//;
if($pnum eq $num) {
last;
}
}
}
close(IN);
}
if(lc($pcon) ne "out" && $pnum ne $num) {
push(@warning, $colors->{warning_color});
}
}
$name = substr(uc($pcon) . "-" . $pn, 0, 15);
undef(@tmp);
undef(@tmpz);
undef(@CDEF);
if(lc($pcon) eq "in") {
push(@tmp, "AREA:B_i_in#44EE44:Input");
push(@tmp, "AREA:B_i_out#4444EE:Output");
push(@tmp, "AREA:B_i_out#4444EE:");
push(@tmp, "AREA:B_i_in#44EE44:");
push(@tmp, "LINE1:B_i_out#0000EE");
push(@tmp, "LINE1:B_i_in#00EE00");
push(@tmpz, "AREA:B_i_in#44EE44:Input");
push(@tmpz, "AREA:B_i_out#4444EE:Output");
push(@tmpz, "AREA:B_i_out#4444EE:");
push(@tmpz, "AREA:B_i_in#44EE44:");
push(@tmpz, "LINE1:B_i_out#0000EE");
push(@tmpz, "LINE1:B_i_in#00EE00");
if(lc($config->{netstats_in_bps}) eq "y") {
push(@CDEF, "CDEF:B_i_in=i_in,8,*");
if(lc($config->{netstats_mode} || "") eq "separated") {
push(@CDEF, "CDEF:B_i_out=i_out,8,*,-1,*");
} else {
push(@CDEF, "CDEF:B_i_out=i_out,8,*");
}
} else {
push(@CDEF, "CDEF:B_i_in=i_in");
if(lc($config->{netstats_mode} || "") eq "separated") {
push(@CDEF, "CDEF:B_i_out=i_out,-1,*");
} else {
push(@CDEF, "CDEF:B_i_out=i_out");
}
}
}
if(lc($pcon) eq "out") {
push(@tmp, "AREA:B_o_in#44EE44:Input");
push(@tmp, "AREA:B_o_out#4444EE:Output");
push(@tmp, "AREA:B_o_out#4444EE:");
push(@tmp, "AREA:B_o_in#44EE44:");
push(@tmp, "LINE1:B_o_out#0000EE");
push(@tmp, "LINE1:B_o_in#00EE00");
push(@tmpz, "AREA:B_o_in#44EE44:Input");
push(@tmpz, "AREA:B_o_out#4444EE:Output");
push(@tmpz, "AREA:B_o_out#4444EE:");
push(@tmpz, "AREA:B_o_in#44EE44:");
push(@tmpz, "LINE1:B_o_out#0000EE");
push(@tmpz, "LINE1:B_o_in#00EE00");
if(lc($config->{netstats_in_bps}) eq "y") {
push(@CDEF, "CDEF:B_o_in=o_in,8,*");
if(lc($config->{netstats_mode} || "") eq "separated") {
push(@CDEF, "CDEF:B_o_out=o_out,8,*,-1,*");
} else {
push(@CDEF, "CDEF:B_o_out=o_out,8,*");
}
} else {
push(@CDEF, "CDEF:B_o_in=o_in");
if(lc($config->{netstats_mode} || "") eq "separated") {
push(@CDEF, "CDEF:B_o_out=o_out,-1,*");
} else {
push(@CDEF, "CDEF:B_o_out=o_out");
}
}
}
if(lc($config->{show_gaps}) eq "y") {
push(@tmp, "AREA:wrongdata#$colors->{gap}:");
push(@tmpz, "AREA:wrongdata#$colors->{gap}:");
push(@CDEF, "CDEF:wrongdata=allvalues,UN,INF,UNKN,IF");
}
$port->{size} = "mini" if !defined($port->{size});
($width, $height) = split('x', $config->{graph_size}->{$port->{size}});
if($silent =~ /imagetag/) {
($width, $height) = split('x', $config->{graph_size}->{remote}) if $silent eq "imagetag";
($width, $height) = split('x', $config->{graph_size}->{main}) if $silent eq "imagetagbig";
push(@tmp, "COMMENT: \\n");
push(@tmp, "COMMENT: \\n");
push(@tmp, "COMMENT: \\n");
}
$pic = $rrd{$version}->("$IMG_DIR" . "$IMG[$n3]",
"--title=$name traffic ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=$vlabel",
"--width=$width",
"--height=$height",
@extra,
@riglim,
$global_zoom,
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
@warning,
"DEF:i_in=$rrd:port" . $n . "_i_in:AVERAGE",
"DEF:i_out=$rrd:port" . $n . "_i_out:AVERAGE",
"DEF:o_in=$rrd:port" . $n . "_o_in:AVERAGE",
"DEF:o_out=$rrd:port" . $n . "_o_out:AVERAGE",
"CDEF:allvalues=i_in,i_out,o_in,o_out,+,+,+",
@CDEF,
@tmp);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG[$n3]: $err\n") if $err;
if(lc($config->{enable_zoom}) eq "y") {
($width, $height) = split('x', $config->{graph_size}->{zoom});
$picz = $rrd{$version}->("$IMG_DIR" . "$IMGz[$n3]",
"--title=$name traffic ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=$vlabel",
"--width=$width",
"--height=$height",
@full_size_mode,
@extra,
@riglim,
$global_zoom,
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
@warning,
"DEF:i_in=$rrd:port" . $n . "_i_in:AVERAGE",
"DEF:i_out=$rrd:port" . $n . "_i_out:AVERAGE",
"DEF:o_in=$rrd:port" . $n . "_o_in:AVERAGE",
"DEF:o_out=$rrd:port" . $n . "_o_out:AVERAGE",
"CDEF:allvalues=i_in,i_out,o_in,o_out,+,+,+",
@CDEF,
@tmpz);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMGz[$n3]: $err\n") if $err;
}
if($title || ($silent =~ /imagetag/ && $graph =~ /port$n3/)) {
if(lc($config->{enable_zoom}) eq "y") {
if(lc($config->{disable_javascript_void}) eq "y") {
push(@output, " " . picz_a_element(config => $config, IMGz => $IMGz[$n3], IMG => $IMG[$n3]) . "\n");
} else {
if($version eq "new") {
$picz_width = $picz->{image_width} * $zoom;
$picz_height = $picz->{image_height} * $zoom;
} else {
$picz_width = $width + 115;
$picz_height = $height + 100;
}
push(@output, " " . picz_js_a_element(width => $picz_width, height => $picz_height, config => $config, IMGz => $IMGz[$n3], IMG => $IMG[$n3]) . "\n");
}
} else {
push(@output, " " . img_element(config => $config, IMG => $IMG[$n3]) . "\n");
}
}
if($title) {
push(@output, " </td>\n");
}
if($n2 < $port->{graphs_per_row} && $n2 < $max) {
$n2++;
} else {
if($title) {
push(@output, " </tr>\n");
}
$n2 = 1;
}
$n3++;
}
$n++;
}
if($title) {
push(@output, main::graph_footer());
}
push(@output, " <br>\n");
return @output;
}
1;
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