mirror of https://github.com/mikaku/Monitorix.git
553 lines
17 KiB
Perl
553 lines
17 KiB
Perl
#
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# Monitorix - A lightweight system monitoring tool.
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#
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# Copyright (C) 2005-2022 by Jordi Sanfeliu <jordi@fibranet.cat>
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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 2 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 along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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package ambsens;
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use strict;
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use warnings;
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use Monitorix;
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use RRDs;
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use POSIX qw(strftime);
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use Exporter 'import';
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our @EXPORT = qw(ambsens_init ambsens_update ambsens_cgi);
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sub ambsens_init {
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my $myself = (caller(0))[3];
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my ($package, $config, $debug) = @_;
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my $rrd = $config->{base_lib} . $package . ".rrd";
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my $ambsens = $config->{ambsens};
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my $info;
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my @ds;
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my @rra;
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my @tmp;
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my $n;
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my @average;
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my @min;
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my @max;
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my @last;
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if(-e $rrd) {
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$info = RRDs::info($rrd);
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for my $key (keys %$info) {
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if(index($key, 'ds[') == 0) {
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if(index($key, '.type') != -1) {
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push(@ds, substr($key, 3, index($key, ']') - 3));
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}
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}
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if(index($key, 'rra[') == 0) {
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if(index($key, '.rows') != -1) {
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push(@rra, substr($key, 4, index($key, ']') - 4));
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}
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}
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}
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if(scalar(@ds) / 9 != scalar(my @fl = split(',', $ambsens->{list}))) {
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logger("$myself: Detected size mismatch between 'list' (" . scalar(my @fl = split(',', $ambsens->{list})) . ") and $rrd (" . scalar(@ds) / 9 . "). Resizing it accordingly. All historical data will be lost. Backup file created.");
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rename($rrd, "$rrd.bak");
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}
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if(scalar(@rra) < 12 + (4 * $config->{max_historic_years})) {
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logger("$myself: Detected size mismatch between 'max_historic_years' (" . $config->{max_historic_years} . ") and $rrd (" . ((scalar(@rra) -12) / 4) . "). Resizing it accordingly. All historical data will be lost. Backup file created.");
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rename($rrd, "$rrd.bak");
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}
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}
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if(!(-e $rrd)) {
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logger("Creating '$rrd' file.");
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for($n = 1; $n <= $config->{max_historic_years}; $n++) {
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push(@average, "RRA:AVERAGE:0.5:1440:" . (365 * $n));
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push(@min, "RRA:MIN:0.5:1440:" . (365 * $n));
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push(@max, "RRA:MAX:0.5:1440:" . (365 * $n));
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push(@last, "RRA:LAST:0.5:1440:" . (365 * $n));
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}
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for($n = 0; $n < scalar(my @sl = split(',', $ambsens->{list})); $n++) {
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push(@tmp, "DS:ambsens" . $n . "_s1:GAUGE:120:U:U");
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push(@tmp, "DS:ambsens" . $n . "_s2:GAUGE:120:U:U");
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push(@tmp, "DS:ambsens" . $n . "_s3:GAUGE:120:U:U");
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push(@tmp, "DS:ambsens" . $n . "_s4:GAUGE:120:U:U");
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push(@tmp, "DS:ambsens" . $n . "_s5:GAUGE:120:U:U");
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push(@tmp, "DS:ambsens" . $n . "_s6:GAUGE:120:U:U");
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push(@tmp, "DS:ambsens" . $n . "_s7:GAUGE:120:U:U");
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push(@tmp, "DS:ambsens" . $n . "_s8:GAUGE:120:U:U");
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push(@tmp, "DS:ambsens" . $n . "_s9:GAUGE:120:U:U");
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}
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eval {
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RRDs::create($rrd,
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"--step=60",
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@tmp,
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"RRA:AVERAGE:0.5:1:1440",
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"RRA:AVERAGE:0.5:30:336",
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"RRA:AVERAGE:0.5:60:744",
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@average,
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"RRA:MIN:0.5:1:1440",
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"RRA:MIN:0.5:30:336",
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"RRA:MIN:0.5:60:744",
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@min,
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"RRA:MAX:0.5:1:1440",
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"RRA:MAX:0.5:30:336",
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"RRA:MAX:0.5:60:744",
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@max,
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"RRA:LAST:0.5:1:1440",
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"RRA:LAST:0.5:30:336",
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"RRA:LAST:0.5:60:744",
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@last,
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);
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};
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my $err = RRDs::error;
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if($@ || $err) {
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logger("$@") unless !$@;
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if($err) {
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logger("ERROR: while creating $rrd: $err");
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if($err eq "RRDs::error") {
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logger("... is the RRDtool Perl package installed?");
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}
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}
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return;
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}
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}
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$config->{ambsens_hist_alerts} = ();
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push(@{$config->{func_update}}, $package);
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logger("$myself: Ok") if $debug;
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}
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sub ambsens_update {
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my $myself = (caller(0))[3];
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my ($package, $config, $debug) = @_;
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my $rrd = $config->{base_lib} . $package . ".rrd";
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my $ambsens = $config->{ambsens};
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my @sens;
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my $n;
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my $str;
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my $rrdata = "N";
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my $e = 0;
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while($e < scalar(my @sl = split(',', $ambsens->{list}))) {
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my $e2 = 1;
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foreach my $dl (split(',', $ambsens->{desc}->{$e})) {
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my $str = trim($dl);
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my $script_with_arguments = trim($ambsens->{cmd}->{$str});
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my $script = (split(' ', $script_with_arguments))[0];
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if($script) {
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if(-x $script) {
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my $val = `$script_with_arguments`;
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chomp($val);
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$sens[$e][$e2] = $val;
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# check alerts for each sensor defined
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my @al = split(',', $ambsens->{alerts}->{$str} || "");
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if(scalar(@al)) {
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my $timeintvl = trim($al[0]);
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my $threshold = trim($al[1]);
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my $script = trim($al[2]);
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my $when = lc(trim($al[3] || ""));
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my @range = split('-', $threshold);
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$threshold = 0 if !$threshold;
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if(scalar(@range) == 1) {
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$when = "above" if !$when; # 'above' is the default
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if($when eq "above" && $val < $threshold) {
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$config->{ambsens_hist_alerts}->{$str} = 0;
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} elsif($when eq "below" && $val > $threshold) {
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$config->{ambsens_hist_alerts}->{$str} = 0;
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} else {
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if($when eq "above" || $when eq "below") {
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if(!$config->{ambsens_hist_alerts}->{$str}) {
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$config->{ambsens_hist_alerts}->{$str} = time;
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}
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if($config->{ambsens_hist_alerts}->{$str} > 0 && (time - $config->{ambsens_hist_alerts}->{$str}) >= $timeintvl) {
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if(-x $script) {
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logger("$myself: alert on Ambient Sensor ($str): executing script '$script'.");
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system($script . " " . $timeintvl . " " . $threshold . " " . $val);
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} else {
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logger("$myself: ERROR: script '$script' doesn't exist or don't has execution permissions.");
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}
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$config->{ambsens_hist_alerts}->{$str} = time;
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}
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} else {
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logger("$myself: ERROR: invalid when value '$when'");
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}
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}
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} elsif(scalar(@range) == 2) {
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if($when) {
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logger("$myself: the forth parameter ('$when') in '$str' is irrelevant when there are range values defined.");
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}
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if($range[0] == $range[1]) {
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logger("$myself: ERROR: range values are identical.");
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} else {
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if($val <= $range[0]) {
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$config->{ambsens_hist_alerts}->{$str}->{above} = 0;
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if($val < $range[0] && !$config->{ambsens_hist_alerts}->{$str}->{below}) {
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$config->{ambsens_hist_alerts}->{$str}->{below} = time;
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}
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}
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if($val >= $range[1]) {
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$config->{ambsens_hist_alerts}->{$str}->{below} = 0;
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if($val > $range[1] && !$config->{ambsens_hist_alerts}->{$str}->{above}) {
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$config->{ambsens_hist_alerts}->{$str}->{above} = time;
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}
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}
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if($config->{ambsens_hist_alerts}->{$str}->{below} > 0 && (time - $config->{ambsens_hist_alerts}->{$str}->{below}) >= $timeintvl) {
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if(-x $script) {
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logger("$myself: alert on Ambient Sensor ($str): executing script '$script'.");
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system($script . " " . $timeintvl . " " . $threshold . " " . $val);
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} else {
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logger("$myself: ERROR: script '$script' doesn't exist or don't has execution permissions.");
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}
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$config->{ambsens_hist_alerts}->{$str}->{below} = time;
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}
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if($config->{ambsens_hist_alerts}->{$str}->{above} > 0 && (time - $config->{ambsens_hist_alerts}->{$str}->{above}) >= $timeintvl) {
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if(-x $script) {
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logger("$myself: alert on Ambient Sensor ($str): executing script '$script'.");
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system($script . " " . $timeintvl . " " . $threshold . " " . $val);
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} else {
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logger("$myself: ERROR: script '$script' doesn't exist or don't has execution permissions.");
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}
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$config->{ambsens_hist_alerts}->{$str}->{above} = time;
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}
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}
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} else {
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logger("$myself: ERROR: invalid threshold value '$threshold'");
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}
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}
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} else {
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logger("$myself: ERROR: script '$script' doesn't exist or don't has execution permissions.");
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}
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}
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$e2++;
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}
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$e++;
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}
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$e = 0;
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while($e < scalar(my @sl = split(',', $ambsens->{list}))) {
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for($n = 1; $n <= 9; $n++) {
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$sens[$e][$n] = 0 unless defined $sens[$e][$n];
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$rrdata .= ":" . $sens[$e][$n];
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}
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$e++;
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}
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RRDs::update($rrd, $rrdata);
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logger("$myself: $rrdata") if $debug;
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my $err = RRDs::error;
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logger("ERROR: while updating $rrd: $err") if $err;
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}
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sub ambsens_cgi {
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my ($package, $config, $cgi) = @_;
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my @output;
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my $ambsens = $config->{ambsens};
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my @rigid = split(',', ($ambsens->{rigid} || ""));
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my @limit = split(',', ($ambsens->{limit} || ""));
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my $tf = $cgi->{tf};
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my $colors = $cgi->{colors};
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my $graph = $cgi->{graph};
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my $silent = $cgi->{silent};
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my $zoom = "--zoom=" . $config->{global_zoom};
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my %rrd = (
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'new' => \&RRDs::graphv,
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'old' => \&RRDs::graph,
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);
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my $version = "new";
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my @full_size_mode;
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my $pic;
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my $picz;
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my $picz_width;
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my $picz_height;
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my $u = "";
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my $width;
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my $height;
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my @extra;
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my @riglim;
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my @IMG;
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my @IMGz;
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my @tmp;
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my @tmpz;
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my @CDEF;
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my $n;
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my $n2;
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my $str;
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my $err;
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my @LC = (
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"#4444EE",
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"#EEEE44",
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"#44EEEE",
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"#EE44EE",
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"#888888",
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"#E29136",
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"#44EE44",
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"#448844",
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"#EE4444",
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);
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$version = "old" if $RRDs::VERSION < 1.3;
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push(@full_size_mode, "--full-size-mode") if $RRDs::VERSION > 1.3;
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my $rrd = $config->{base_lib} . $package . ".rrd";
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my $title = $config->{graph_title}->{$package};
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my $IMG_DIR = $config->{base_dir} . "/" . $config->{imgs_dir};
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my $imgfmt_uc = uc($config->{image_format});
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my $imgfmt_lc = lc($config->{image_format});
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foreach my $i (split(',', $config->{rrdtool_extra_options} || "")) {
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push(@extra, trim($i)) if trim($i);
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}
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$title = !$silent ? $title : "";
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# text mode
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#
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if(lc($config->{iface_mode}) eq "text") {
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if($title) {
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push(@output, main::graph_header($title, 2));
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push(@output, " <tr>\n");
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push(@output, " <td>\n");
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}
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my (undef, undef, undef, $data) = RRDs::fetch("$rrd",
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"--resolution=$tf->{res}",
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"--start=-$tf->{nwhen}$tf->{twhen}",
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"AVERAGE");
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$err = RRDs::error;
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push(@output, "ERROR: while fetching $rrd: $err\n") if $err;
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my $line1;
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my $line2;
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my $line3;
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push(@output, " <pre style='font-size: 12px; color: $colors->{fg_color}';>\n");
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push(@output, " ");
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for($n = 0; $n < scalar(my @sl = split(',', $ambsens->{list})); $n++) {
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$line1 = "";
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foreach my $dl (split(',', $ambsens->{desc}->{$n})) {
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$dl = trim($dl);
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$str = $ambsens->{map}->{$dl} || $dl;
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$str = sprintf("%7s", substr($str, 0, 5));
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$line1 .= " ";
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$line2 .= sprintf(" %7s", $str);
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$line3 .= "--------";
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}
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if($line1) {
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my $i = length($line1);
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push(@output, sprintf(sprintf("%${i}s", sprintf("%s", trim($sl[$n])))));
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}
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}
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push(@output, "\n");
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push(@output, "Time$line2\n");
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push(@output, "----$line3 \n");
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my $line;
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my $time;
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my $n2;
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my $n3;
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my $from;
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my $to;
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for($n = 0, $time = $tf->{tb}; $n < ($tf->{tb} * $tf->{ts}); $n++) {
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$line = @$data[$n];
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$time = $time - (1 / $tf->{ts});
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push(@output, sprintf(" %2d$tf->{tc} ", $time));
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for($n2 = 0; $n2 < scalar(my @sl = split(',', $ambsens->{list})); $n2++) {
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$n3 = $n2 * 9;
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foreach my $dl (split(',', $ambsens->{desc}->{$n2})) {
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$from = $n3++;
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$to = $from + 1;
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my ($j) = @$line[$from..$to];
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push(@output, sprintf("%7.1lf ", celsius_to($config, $j) || 0));
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}
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}
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push(@output, "\n");
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}
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push(@output, " </pre>\n");
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if($title) {
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push(@output, " </td>\n");
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push(@output, " </tr>\n");
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push(@output, main::graph_footer());
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}
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push(@output, " <br>\n");
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return @output;
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}
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# graph mode
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#
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if($silent eq "yes" || $silent eq "imagetag") {
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$colors->{fg_color} = "#000000"; # visible color for text mode
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$u = "_";
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}
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if($silent eq "imagetagbig") {
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$colors->{fg_color} = "#000000"; # visible color for text mode
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$u = "";
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}
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for($n = 0; $n < scalar(my @sl = split(',', $ambsens->{list})); $n++) {
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$str = $u . $package . $n . "." . $tf->{when} . ".$imgfmt_lc";
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push(@IMG, $str);
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unlink("$IMG_DIR" . $str);
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if(lc($config->{enable_zoom}) eq "y") {
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$str = $u . $package . $n . "z." . $tf->{when} . ".$imgfmt_lc";
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push(@IMGz, $str);
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unlink("$IMG_DIR" . $str);
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}
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}
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my $use_scientific_notation = lc($ambsens->{scientific_notation} || "") eq "y" ? 1 : 0;
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my $show_average = lc($ambsens->{show_average} || "") eq "y" ? 1 : 0;
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my $value_format = $use_scientific_notation ? "%6.1lf%s" : "%7.1lf" ;
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@riglim = @{setup_riglim($rigid[0], $limit[0])};
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$n = 0;
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while($n < scalar(my @sl = split(',', $ambsens->{list}))) {
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if($title) {
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if($n == 0) {
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push(@output, main::graph_header($title, $ambsens->{graphs_per_row}));
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}
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push(@output, " <tr>\n");
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}
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for($n2 = 0; $n2 < $ambsens->{graphs_per_row}; $n2++) {
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last unless $n < scalar(my @sl = split(',', $ambsens->{list}));
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if($title) {
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push(@output, " <td>\n");
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}
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undef(@tmp);
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undef(@tmpz);
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undef(@CDEF);
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my $e = 0;
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my $unit = $ambsens->{units}->{$n};
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foreach my $i (split(',', $ambsens->{desc}->{$n})) {
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$i = trim($i);
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$str = $ambsens->{map}->{$i} || $i;
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if ($show_average) {
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$str = sprintf("%-10s", substr($str, 0, 10));
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push(@tmp, "LINE2:s" . ($e + 1) . $LC[$e] . ":$str");
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push(@tmp, "GPRINT:s" . ($e + 1) . ":LAST: Cur\\:" . $value_format);
|
|
push(@tmp, "GPRINT:s" . ($e + 1) . ":AVERAGE:Avg\\:" . $value_format);
|
|
push(@tmp, "GPRINT:s" . ($e + 1) . ":MIN:Min\\:" . $value_format);
|
|
push(@tmp, "GPRINT:s" . ($e + 1) . ":MAX:Max\\:" . $value_format . "\\n");
|
|
}
|
|
else {
|
|
$str = sprintf("%-40s", substr($str, 0, 40));
|
|
push(@tmp, "LINE2:s" . ($e + 1) . $LC[$e] . ":$str");
|
|
push(@tmp, "GPRINT:s" . ($e + 1) . ":LAST: Current\\:" . $value_format . "\\n");
|
|
}
|
|
push(@tmpz, "LINE2:s" . ($e + 1) . $LC[$e] . ":$str");
|
|
$e++;
|
|
}
|
|
while($e < 9) {
|
|
push(@tmp, "COMMENT: \\n");
|
|
$e++;
|
|
}
|
|
if(lc($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");
|
|
}
|
|
($width, $height) = split('x', $config->{graph_size}->{medium});
|
|
$str = substr(trim($sl[$n]), 0, 25);
|
|
$pic = $rrd{$version}->("$IMG_DIR" . "$IMG[$n]",
|
|
"--title=$str ($tf->{nwhen}$tf->{twhen})",
|
|
"--start=-$tf->{nwhen}$tf->{twhen}",
|
|
"--imgformat=$imgfmt_uc",
|
|
"--vertical-label=$unit",
|
|
"--width=$width",
|
|
"--height=$height",
|
|
@extra,
|
|
@riglim,
|
|
$zoom,
|
|
@{$cgi->{version12}},
|
|
@{$colors->{graph_colors}},
|
|
"DEF:s1=$rrd:ambsens" . $n . "_s1:AVERAGE",
|
|
"DEF:s2=$rrd:ambsens" . $n . "_s2:AVERAGE",
|
|
"DEF:s3=$rrd:ambsens" . $n . "_s3:AVERAGE",
|
|
"DEF:s4=$rrd:ambsens" . $n . "_s4:AVERAGE",
|
|
"DEF:s5=$rrd:ambsens" . $n . "_s5:AVERAGE",
|
|
"DEF:s6=$rrd:ambsens" . $n . "_s6:AVERAGE",
|
|
"DEF:s7=$rrd:ambsens" . $n . "_s7:AVERAGE",
|
|
"DEF:s8=$rrd:ambsens" . $n . "_s8:AVERAGE",
|
|
"DEF:s9=$rrd:ambsens" . $n . "_s9:AVERAGE",
|
|
"CDEF:allvalues=s1,s2,s3,s4,s5,s6,s7,s8,s9,+,+,+,+,+,+,+,+",
|
|
@CDEF,
|
|
@tmp);
|
|
$err = RRDs::error;
|
|
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG[$n]: $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[$n]",
|
|
"--title=$str ($tf->{nwhen}$tf->{twhen})",
|
|
"--start=-$tf->{nwhen}$tf->{twhen}",
|
|
"--imgformat=$imgfmt_uc",
|
|
"--vertical-label=$unit",
|
|
"--width=$width",
|
|
"--height=$height",
|
|
@full_size_mode,
|
|
@extra,
|
|
@riglim,
|
|
$zoom,
|
|
@{$cgi->{version12}},
|
|
@{$colors->{graph_colors}},
|
|
"DEF:s1=$rrd:ambsens" . $n . "_s1:AVERAGE",
|
|
"DEF:s2=$rrd:ambsens" . $n . "_s2:AVERAGE",
|
|
"DEF:s3=$rrd:ambsens" . $n . "_s3:AVERAGE",
|
|
"DEF:s4=$rrd:ambsens" . $n . "_s4:AVERAGE",
|
|
"DEF:s5=$rrd:ambsens" . $n . "_s5:AVERAGE",
|
|
"DEF:s6=$rrd:ambsens" . $n . "_s6:AVERAGE",
|
|
"DEF:s7=$rrd:ambsens" . $n . "_s7:AVERAGE",
|
|
"DEF:s8=$rrd:ambsens" . $n . "_s8:AVERAGE",
|
|
"DEF:s9=$rrd:ambsens" . $n . "_s9:AVERAGE",
|
|
"CDEF:allvalues=s1,s2,s3,s4,s5,s6,s7,s8,s9,+,+,+,+,+,+,+,+",
|
|
@CDEF,
|
|
@tmpz);
|
|
$err = RRDs::error;
|
|
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMGz[$n]: $err\n") if $err;
|
|
}
|
|
if($title || ($silent =~ /imagetag/ && $graph =~ /ambsens$n/)) {
|
|
if(lc($config->{enable_zoom}) eq "y") {
|
|
if(lc($config->{disable_javascript_void}) eq "y") {
|
|
push(@output, " " . picz_a_element(config => $config, IMGz => $IMGz[$n], IMG => $IMG[$n]) . "\n");
|
|
} else {
|
|
if($version eq "new") {
|
|
$picz_width = $picz->{image_width} * $config->{global_zoom};
|
|
$picz_height = $picz->{image_height} * $config->{global_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 => $IMGz[$n], IMG => $IMG[$n]) . "\n");
|
|
}
|
|
} else {
|
|
push(@output, " " . img_element(config => $config, IMG => $IMG[$n]) . "\n");
|
|
}
|
|
}
|
|
if($title) {
|
|
push(@output, " </td>\n");
|
|
}
|
|
$n++;
|
|
}
|
|
if($title) {
|
|
push(@output, " </tr>\n");
|
|
}
|
|
}
|
|
if($title) {
|
|
push(@output, main::graph_footer());
|
|
}
|
|
push(@output, " <br>\n");
|
|
return @output;
|
|
}
|
|
|
|
1;
|