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Monitorix/lib/raspberrypi.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 raspberrypi;
use strict;
use warnings;
use Monitorix;
use RRDs;
use Exporter 'import';
our @EXPORT = qw(raspberrypi_init raspberrypi_update raspberrypi_cgi);
sub raspberrypi_init {
my $myself = (caller(0))[3];
my ($package, $config, $debug) = @_;
my $rrd = $config->{base_lib} . $package . ".rrd";
my $raspberrypi = $config->{raspberrypi};
my $info;
my @ds;
my @rra;
my @tmp;
my $n;
my @average;
my @min;
my @max;
my @last;
if(! -e "$raspberrypi->{cmd}") {
logger("$myself: '$raspberrypi->{cmd}' not found or is not executable. $!");
return;
}
if(-e $rrd) {
$info = RRDs::info($rrd);
for my $key (keys %$info) {
if(index($key, 'rra[') == 0) {
if(index($key, '.rows') != -1) {
push(@rra, substr($key, 4, index($key, ']') - 4));
}
}
}
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 * $n));
}
eval {
RRDs::create($rrd,
"--step=60",
"DS:rpi_clock0:GAUGE:120:0:U",
"DS:rpi_clock1:GAUGE:120:0:U",
"DS:rpi_clock2:GAUGE:120:0:U",
"DS:rpi_clock3:GAUGE:120:0:U",
"DS:rpi_clock4:GAUGE:120:0:U",
"DS:rpi_clock5:GAUGE:120:0:U",
"DS:rpi_clock6:GAUGE:120:0:U",
"DS:rpi_clock7:GAUGE:120:0:U",
"DS:rpi_clock8:GAUGE:120:0:U",
"DS:rpi_temp0:GAUGE:120:0:100",
"DS:rpi_temp1:GAUGE:120:0:100",
"DS:rpi_temp2:GAUGE:120:0:100",
"DS:rpi_volt0:GAUGE:120:U:U",
"DS:rpi_volt1:GAUGE:120:U:U",
"DS:rpi_volt2:GAUGE:120:U:U",
"DS:rpi_volt3:GAUGE:120:U:U",
"DS:rpi_volt4:GAUGE:120:U:U",
"DS:rpi_volt5:GAUGE:120:U:U",
"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;
}
}
push(@{$config->{func_update}}, $package);
logger("$myself: Ok") if $debug;
}
sub raspberrypi_update {
my $myself = (caller(0))[3];
my ($package, $config, $debug) = @_;
my $rrd = $config->{base_lib} . $package . ".rrd";
my $raspberrypi = $config->{raspberrypi};
my @clock = (0) x 9;
my @temp = (0) x 3;
my @volt = (0) x 6;
my $n;
my $rrdata = "N";
$n = 0;
foreach my $c (split(',', ($raspberrypi->{clocks} || ""))) {
$c = trim($c);
if(!open(IN, "$raspberrypi->{cmd} measure_clock $c |")) {
logger("$myself: unable to execute '$raspberrypi->{cmd} measure_clock $c'. $!");
next;
}
while(<IN>) {
if(/^frequency\(\d+\)=(\d+)$/) {
$clock[$n] = $1;
}
}
close(IN);
$n++;
}
if(!open(IN, "$raspberrypi->{cmd} measure_temp |")) {
logger("$myself: unable to execute '$raspberrypi->{cmd} measure_temp'. $!");
} else {
while(<IN>) {
if(/^temp=(\d+\.\d+)/) {
$temp[0] = $1;
}
}
$temp[1] = 0;
$temp[2] = 0;
close(IN);
}
$n = 0;
foreach my $v (split(',', ($raspberrypi->{volts} || ""))) {
$v = trim($v);
if(!open(IN, "$raspberrypi->{cmd} measure_volts $v |")) {
logger("$myself: unable to execute '$raspberrypi->{cmd} measure_volts $v'. $!");
next;
}
while(<IN>) {
if(/^volt=(\d+\.\d+)V$/) {
$volt[$n] = $1;
}
}
close(IN);
$n++;
}
for($n = 0; $n < scalar(@clock); $n++) {
$rrdata .= ":$clock[$n]";
}
for($n = 0; $n < scalar(@temp); $n++) {
$rrdata .= ":$temp[$n]";
}
for($n = 0; $n < scalar(@volt); $n++) {
$rrdata .= ":$volt[$n]";
}
RRDs::update($rrd, $rrdata);
logger("$myself: $rrdata") if $debug;
my $err = RRDs::error;
logger("ERROR: while updating $rrd: $err") if $err;
}
sub raspberrypi_cgi {
my ($package, $config, $cgi) = @_;
my @output;
my $raspberrypi = $config->{raspberrypi};
my @rigid = split(',', ($raspberrypi->{rigid} || ""));
my @limit = split(',', ($raspberrypi->{limit} || ""));
my $tf = $cgi->{tf};
my $colors = $cgi->{colors};
my $graph = $cgi->{graph};
my $silent = $cgi->{silent};
my $zoom = "--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 $temp_scale = "Celsius";
my @riglim;
my @tmp;
my @tmpz;
my @CDEF;
my $n;
my $err;
my @LC = (
"#FFA500",
"#44EEEE",
"#44EE44",
"#4444EE",
"#448844",
"#EE4444",
"#EE44EE",
"#EEEE44",
"#444444",
);
$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->{temperature_scale}) eq "f") {
$temp_scale = "Fahrenheit";
}
# text mode
#
if(lc($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;
my $line3;
my $l;
push(@output, " <pre style='font-size: 12px; color: $colors->{fg_color}';>\n");
foreach my $c (split(',', ($raspberrypi->{clocks} || ""))) {
$line2 .= sprintf(" %9s", substr(trim($c), 0, 9));
$line3 .= "----------";
}
$l = length($line2) + 6;
$line1 = sprintf("%${l}s", "Clocks");
$line1 .= " Temperature";
$line2 .= " temp";
$line3 .= "------------";
$l = length($line2) + 6;
foreach my $v (split(',', ($raspberrypi->{volts} || ""))) {
$line2 .= sprintf(" %8s", substr(trim($v), 0, 8));
$line3 .= "---------";
}
$l = length($line2) + 6 - $l;
$line1 .= sprintf("%${l}s", "Voltages");
push(@output, "$line1\n");
push(@output, "Time $line2 \n");
push(@output, "------$line3\n");
my $line;
my @row;
my $time;
my @clock;
my @temp;
my @volt;
for($l = 0, $time = $tf->{tb}; $l < ($tf->{tb} * $tf->{ts}); $l++) {
$line1 = " %2d$tf->{tc} ";
undef(@row);
$line = @$data[$l];
(@clock[0..8], @temp[0..2], @volt[0..5]) = @$line;
for($n = 0; $n < 9; $n++) {
push(@row, celsius_to($config, $clock[$n]));
$line1 .= " ";
$line1 .= "%9d";
}
push(@row, celsius_to($config, $temp[0]));
$line1 .= " ";
$line1 .= "%6.1f";
$time = $time - (1 / $tf->{ts});
for($n = 0; $n < 4; $n++) {
push(@row, celsius_to($config, $volt[$n]));
$line1 .= " ";
$line1 .= "%6.2f";
}
push(@output, sprintf("$line1 \n", $time, @row));
}
push(@output, " </pre>\n");
if($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") {
$colors->{fg_color} = "#000000"; # visible color for text mode
$u = "_";
}
if($silent eq "imagetagbig") {
$colors->{fg_color} = "#000000"; # visible color for text mode
$u = "";
}
my $IMG1 = $u . $package . "1." . $tf->{when} . ".$imgfmt_lc";
my $IMG2 = $u . $package . "2." . $tf->{when} . ".$imgfmt_lc";
my $IMG3 = $u . $package . "3." . $tf->{when} . ".$imgfmt_lc";
my $IMG1z = $u . $package . "1z." . $tf->{when} . ".$imgfmt_lc";
my $IMG2z = $u . $package . "2z." . $tf->{when} . ".$imgfmt_lc";
my $IMG3z = $u . $package . "3z." . $tf->{when} . ".$imgfmt_lc";
unlink ("$IMG_DIR" . "$IMG1",
"$IMG_DIR" . "$IMG2",
"$IMG_DIR" . "$IMG3");
if(lc($config->{enable_zoom}) eq "y") {
unlink ("$IMG_DIR" . "$IMG1z",
"$IMG_DIR" . "$IMG2z",
"$IMG_DIR" . "$IMG3z");
}
if($title) {
push(@output, main::graph_header($title, 2));
}
@riglim = @{setup_riglim($rigid[0], $limit[0])};
$n = 0;
foreach my $c (split(',', ($raspberrypi->{clocks} || ""))) {
$c = trim($c);
if($c) {
my $str = sprintf("%-5s", substr($c, 0, 5));
push(@CDEF, "CDEF:clk$n=clock$n,1000000,/");
push(@tmp, "LINE2:clock$n" . $LC[$n] . ":$str");
push(@tmp, "GPRINT:clk$n:LAST: Cur\\: %6.1lfMhz");
push(@tmp, "GPRINT:clk$n:AVERAGE: Avg\\: %6.1lfMhz");
push(@tmp, "GPRINT:clk$n:MIN: Min\\: %6.1lfMhz");
push(@tmp, "GPRINT:clk$n:MAX: Max\\: %6.1lfMhz\\n");
$str =~ s/\s+$//;
push(@tmpz, "LINE2:clock$n" . $LC[$n] . ":$str");
} else {
push(@tmp, "COMMENT: \\n");
}
$n++;
}
if($title) {
push(@output, " <tr>\n");
push(@output, " <td>\n");
}
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', $config->{graph_size}->{main});
if($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");
@tmp = @tmpz;
push(@tmp, "COMMENT: \\n");
push(@tmp, "COMMENT: \\n");
}
$pic = $rrd{$version}->("$IMG_DIR" . "$IMG1",
"--title=$config->{graphs}->{_raspberrypi1} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=Hz",
"--width=$width",
"--height=$height",
@extra,
@riglim,
$zoom,
@{$cgi->{version12}},
@{$colors->{graph_colors}},
"DEF:clock0=$rrd:rpi_clock0:AVERAGE",
"DEF:clock1=$rrd:rpi_clock1:AVERAGE",
"DEF:clock2=$rrd:rpi_clock2:AVERAGE",
"DEF:clock3=$rrd:rpi_clock3:AVERAGE",
"DEF:clock4=$rrd:rpi_clock4:AVERAGE",
"DEF:clock5=$rrd:rpi_clock5:AVERAGE",
"DEF:clock6=$rrd:rpi_clock6:AVERAGE",
"DEF:clock7=$rrd:rpi_clock7:AVERAGE",
"DEF:clock8=$rrd:rpi_clock8:AVERAGE",
"CDEF:allvalues=clock0,clock1,clock2,clock3,clock4,clock5,clock6,clock7,clock8,+,+,+,+,+,+,+,+",
@CDEF,
@tmp);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG1: $err\n") if $err;
if(lc($config->{enable_zoom}) eq "y") {
($width, $height) = split('x', $config->{graph_size}->{zoom});
$picz = $rrd{$version}->("$IMG_DIR" . "$IMG1z",
"--title=$config->{graphs}->{_raspberrypi1} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=Hz",
"--width=$width",
"--height=$height",
@full_size_mode,
@extra,
@riglim,
$zoom,
@{$cgi->{version12}},
@{$colors->{graph_colors}},
"DEF:clock0=$rrd:rpi_clock0:AVERAGE",
"DEF:clock1=$rrd:rpi_clock1:AVERAGE",
"DEF:clock2=$rrd:rpi_clock2:AVERAGE",
"DEF:clock3=$rrd:rpi_clock3:AVERAGE",
"DEF:clock4=$rrd:rpi_clock4:AVERAGE",
"DEF:clock5=$rrd:rpi_clock5:AVERAGE",
"DEF:clock6=$rrd:rpi_clock6:AVERAGE",
"DEF:clock7=$rrd:rpi_clock7:AVERAGE",
"DEF:clock8=$rrd:rpi_clock8:AVERAGE",
"CDEF:allvalues=clock0,clock1,clock2,clock3,clock4,clock5,clock6,clock7,clock8,+,+,+,+,+,+,+,+",
@CDEF,
@tmpz);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG1z: $err\n") if $err;
}
if($title || ($silent =~ /imagetag/ && $graph =~ /raspberrypi1/)) {
if(lc($config->{enable_zoom}) eq "y") {
if(lc($config->{disable_javascript_void}) eq "y") {
push(@output, " " . picz_a_element(config => $config, IMGz => $IMG1z, IMG => $IMG1) . "\n");
} else {
if($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 => $IMG1z, IMG => $IMG1) . "\n");
}
} else {
push(@output, " " . img_element(config => $config, IMG => $IMG1) . "\n");
}
}
if($title) {
push(@output, " </td>\n");
push(@output, " <td class='td-valign-top'>\n");
}
@riglim = @{setup_riglim($rigid[1], $limit[1])};
undef(@tmp);
undef(@tmpz);
undef(@CDEF);
push(@tmp, "LINE2:temp_0#44AAEE:Temperature");
push(@tmp, "GPRINT:temp_0:LAST: Current\\: %4.1lf\\n");
push(@tmpz, "LINE2:temp_0#44AAEE:Temperature");
push(@tmp, "COMMENT: \\n");
if(lc($config->{temperature_scale}) eq "f") {
push(@CDEF, "CDEF:temp_0=9,5,/,temp0,*,32,+");
} else {
push(@CDEF, "CDEF:temp_0=temp0");
}
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', $config->{graph_size}->{small});
if($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";
@tmp = @tmpz;
push(@tmp, "COMMENT: \\n");
push(@tmp, "COMMENT: \\n");
push(@tmp, "COMMENT: \\n");
}
$pic = $rrd{$version}->("$IMG_DIR" . "$IMG2",
"--title=$config->{graphs}->{_raspberrypi2} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=$temp_scale",
"--width=$width",
"--height=$height",
@extra,
@riglim,
$zoom,
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
"DEF:temp0=$rrd:rpi_temp0:AVERAGE",
"CDEF:allvalues=temp0",
@CDEF,
@tmp);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG2: $err\n") if $err;
if(lc($config->{enable_zoom}) eq "y") {
($width, $height) = split('x', $config->{graph_size}->{zoom});
$picz = $rrd{$version}->("$IMG_DIR" . "$IMG2z",
"--title=$config->{graphs}->{_raspberrypi2} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=$temp_scale",
"--width=$width",
"--height=$height",
@full_size_mode,
@extra,
@riglim,
$zoom,
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
"DEF:temp0=$rrd:rpi_temp0:AVERAGE",
"CDEF:allvalues=temp0",
@CDEF,
@tmpz);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG2z: $err\n") if $err;
}
if($title || ($silent =~ /imagetag/ && $graph =~ /raspberrypi2/)) {
if(lc($config->{enable_zoom}) eq "y") {
if(lc($config->{disable_javascript_void}) eq "y") {
push(@output, " " . picz_a_element(config => $config, IMGz => $IMG2z, IMG => $IMG2) . "\n");
} else {
if($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 => $IMG2z, IMG => $IMG2) . "\n");
}
} else {
push(@output, " " . img_element(config => $config, IMG => $IMG2) . "\n");
}
}
@riglim = @{setup_riglim($rigid[2], $limit[2])};
undef(@tmp);
undef(@tmpz);
undef(@CDEF);
if(scalar(my @volts = split(',', ($raspberrypi->{volts} || "")))) {
for($n = 0; $n < 4; $n++) {
if($volts[$n]) {
my $str = sprintf("%-10s", substr(trim($volts[$n]), 0, 10));
push(@tmp, "LINE2:volt$n" . $LC[$n] . ":$str");
push(@tmp, "GPRINT:volt$n:LAST: Current\\: %5.2lf\\n");
$str =~ s/\s+$//;
push(@tmpz, "LINE2:volt$n" . $LC[$n] . ":$str");
} else {
push(@tmp, "COMMENT: \\n");
}
}
}
if(lc($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', $config->{graph_size}->{small});
if($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";
@tmp = @tmpz;
push(@tmp, "COMMENT: \\n");
push(@tmp, "COMMENT: \\n");
}
$pic = $rrd{$version}->("$IMG_DIR" . "$IMG3",
"--title=$config->{graphs}->{_raspberrypi3} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=Volts",
"--width=$width",
"--height=$height",
@extra,
@riglim,
$zoom,
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
"DEF:volt0=$rrd:rpi_volt0:AVERAGE",
"DEF:volt1=$rrd:rpi_volt1:AVERAGE",
"DEF:volt2=$rrd:rpi_volt2:AVERAGE",
"DEF:volt3=$rrd:rpi_volt3:AVERAGE",
"CDEF:allvalues=volt0,volt1,volt2,volt3,+,+,+",
@CDEF,
@tmp);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG3: $err\n") if $err;
if(lc($config->{enable_zoom}) eq "y") {
($width, $height) = split('x', $config->{graph_size}->{zoom});
$picz = $rrd{$version}->("$IMG_DIR" . "$IMG3z",
"--title=$config->{graphs}->{_raspberrypi3} ($tf->{nwhen}$tf->{twhen})",
"--start=-$tf->{nwhen}$tf->{twhen}",
"--imgformat=$imgfmt_uc",
"--vertical-label=Volts",
"--width=$width",
"--height=$height",
@full_size_mode,
@extra,
@riglim,
$zoom,
@{$cgi->{version12}},
@{$cgi->{version12_small}},
@{$colors->{graph_colors}},
"DEF:volt0=$rrd:rpi_volt0:AVERAGE",
"DEF:volt1=$rrd:rpi_volt1:AVERAGE",
"DEF:volt2=$rrd:rpi_volt2:AVERAGE",
"DEF:volt3=$rrd:rpi_volt3:AVERAGE",
"CDEF:allvalues=volt0,volt1,volt2,volt3,+,+,+",
@CDEF,
@tmpz);
$err = RRDs::error;
push(@output, "ERROR: while graphing $IMG_DIR" . "$IMG3z: $err\n") if $err;
}
if($title || ($silent =~ /imagetag/ && $graph =~ /raspberrypi3/)) {
if(lc($config->{enable_zoom}) eq "y") {
if(lc($config->{disable_javascript_void}) eq "y") {
push(@output, " " . picz_a_element(config => $config, IMGz => $IMG3z, IMG => $IMG3) . "\n");
} else {
if($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 => $IMG3z, IMG => $IMG3) . "\n");
}
} else {
push(@output, " " . img_element(config => $config, IMG => $IMG3) . "\n");
}
}
if($title) {
push(@output, " </td>\n");
push(@output, " </tr>\n");
push(@output, main::graph_footer());
}
push(@output, " <br>\n");
return @output;
}
1;
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