#!/usr/bin/perl -T -w use CGI::Carp qw(fatalsToBrowser carpout); use Time::Local; use File::Basename; use FileHandle; use POSIX; use RRDs; BEGIN { carpout(\*STDOUT); }; use strict; use vars qw($VERSION); my $rcs = ' $Id: rrdview.cgi,v 1.1.1.1 2002/02/26 10:21:20 oetiker Exp $ ' ; $rcs =~ m/,v (\d+\.\d+)/; $VERSION = ($1) ? $1 : "UNKNOWN"; my $mod_perl = (exists $ENV{MOD_PERL}) ? 1 : 0; my $self = basename($0); my $imgErr; # global is good in that huge case. doit(); sub doit { my $debug = 0; my $cgi = myCGI->new(); my $q = $cgi->r(); my $now = time(); my $strftime = '%A %d %B %Y %H:%M:%S %Z'; my ($minD,$hourD,$mdayD,$monD,$yearD) = (myLocaltime($now)); $cgi->paramDefault( 'minE' => $minD, 'hourE' => $hourD, 'mdayE' => $mdayD, 'monE' => $monD, 'yearE' => $yearD, ); ($minD,$hourD,$mdayD,$monD,$yearD) = (myLocaltime($now - 86400)); $cgi->paramDefault( 'minS' => $minD, 'hourS' => $hourD, 'mdayS' => $mdayD, 'monS' => $monD, 'yearS' => $yearD, ); my ($minS,$hourS,$mdayS,$monS,$yearS) = ( $q->param(-Name => 'minS'), $q->param('hourS'), $q->param('mdayS'), $q->param('monS'), $q->param('yearS'), ); my ($minE,$hourE,$mdayE,$monE,$yearE) = ( $q->param('minE'), $q->param('hourE'), $q->param('mdayE'), $q->param('monE'), $q->param('yearE'), ); my $start = myTimelocal($minS,$hourS,$mdayS,$monS,$yearS); my $end = myTimelocal($minE,$hourE,$mdayE,$monE,$yearE); my $startString = strftime($strftime, localtime($start)); my $endString = strftime($strftime, localtime($end)); $q->param('start', $start); $q->param('end', $end); $cgi->paramDefault( 'hight' => 150, 'width' => 600, 'rrdfile' => 'foo.rrd', ); my $width = $q->param(-Name=>'width'); my $hight = $q->param(-Name=>'hight'); my $owner = $q->param(-Name=>'owner') || "No Owner"; my $title = $q->param(-Name=>'title') || "No Title"; my $rrdfile = $q->param("rrdfile"); $debug and $cgi->saveparam("/tmp/rrdmon.out"); my $error = ""; my $rrdinfo; my @dsname; unless (-f $rrdfile) { $error = "File '$rrdfile' does not exist!
\n"; }else{ $rrdinfo = RRDs::info $rrdfile; if (my $ERR=RRDs::error) { $error = "" . $ERR . "
\n"; @dsname = ('RRD ERROR'); }else{ foreach my $key (keys %$rrdinfo) { if ($key =~ m/ds\[(\w+)\]\.value/) { push(@dsname, $1); } } } }; my $dsname = $q->param("dsname") || $dsname[0] || "unknown"; if (defined $q->param(-Name=>'child')) { # cgi child imagepage($q, $cgi, $debug, $rrdfile, $dsname, $owner, $hight, $width, $start, $end, $title, ); }else{ # cgi parent mainpage($q, $cgi, $debug, $dsname, \@dsname, $hight, $width, $error, $startString, $endString, ); } } sub mainpage { my $q = shift; my $cgi = shift; my $debug = shift; my $dsname = shift; my $ldsname = shift; my $hight = shift; my $width = shift; my $error = shift; my $startString = shift; my $endString = shift; my $queryChild = "child=yes&".$q->query_string(); my $cgiChild = myCGI->new($queryChild); # CGI fork ! print $q->header(), #$q->start_html($q->param('owner'). " " . $q->param('title') ), $q->start_html( -Title=>"RRDVIEW $VERSION", -Author=>'lamiral@mail.dotcom.fr', -Meta=>{'keywords'=>'monitoring rrdtool rrdmon rrdview', 'copyright'=>'Copyleft GPL'}, -BGCOLOR=>'lightblue', ), ($debug) ? "\n" : "", ($debug and $mod_perl) ? "mod_perl PID $$
\n" : "", ($debug and not $mod_perl) ? "PID=$$
\n" : "", ($debug) ? "$cgi
\n" : "", ($debug) ? "$q
\n" : "", ($debug) ? "img=".\$imgErr."
\n" : "", ($debug) ? "
\n" : "", $q->startform(-Method=>'GET', #-Enctype=>'multipart/form-data', ), $q->textfield(-Name=>'rrdfile', -Default=>'Give me a file like foo.rrd', -Size=>76), $q->br(),"\n", $q->popup_menu(-Name=>'dsname', -Values=>[@$ldsname], -Default=>$dsname, ), $q->textfield(-Name=>'hight', -Size=>length($hight)), "x", $q->textfield(-Name=>'width', -Size=>length($width)), " ", $q->br(),"\n", $q->image_button(-Name=>'Beautiful Image!', -Src=>"$self?$queryChild", ), $q->br(),"\n", $error, $q->tt(" From "), $q->textfield(-Name=>'yearS', -Size=>4), $q->textfield(-Name=>'monS', -Size=>2), $q->textfield(-Name=>'mdayS', -Size=>2), " ", $q->textfield(-Name=>'hourS', -Size=>2), $q->textfield(-Name=>'minS', -Size=>2), " $startString", $q->br(),"\n", $q->tt(" To", " " x 2), $q->textfield(-Name=>'yearE', -Size=>4), $q->textfield(-Name=>'monE', -Size=>2), $q->textfield(-Name=>'mdayE', -Size=>2), " ", $q->textfield(-Name=>'hourE', -Size=>2), $q->textfield(-Name=>'minE', -Size=>2), " $endString", $q->br(),"\n", $cgi->paramHidden( 'title', 'owner', ), $q->endform(), ($debug) ? $q->dump(): "", $q->end_html(), "\n", ; } sub imagepage { my $q = shift; my $cgi = shift; my $debug = shift; my $rrdfile = shift; my $dsname = shift; my $owner = shift; my $hight = shift; my $width = shift; my $start = shift; my $end = shift; my $title = shift; $debug and $cgi->saveparam("/tmp/png.out"); my $output; RRDs::last($rrdfile); print $q->header( -Type=>'image/png', -Expires=>'now' ); if($mod_perl) { #carp("we're running under mod_perl"); $output = "/tmp/rrdmon.img.$$.png"; } else { #we're NOT running under mod_perl $output = "-"; } RRDs::graph($output,"--title", "$owner", "--imgformat", "PNG", "--height","$hight", "--width","$width", "--start",$start,"--end",$end, "DEF:value=$rrdfile:$dsname:AVERAGE", "AREA:value#00FF00:$title", ); if (my $ERROR = RRDs::error()) { carp "ERROR: $ERROR\n"; my $rimgErr = loadImageErrorFromVar(); print $$rimgErr; return(); } if($mod_perl) { my $fh = FileHandle->new($output, "r"); unless (defined($fh)){ carp("Could not open ",$output,"$!"); return undef; } local $/ = undef; my $file = <$fh>; $fh->close(); print $file; } } sub myLocaltime { my $time = shift; my ($min,$hour,$mday,$mon,$year) = (localtime($time))[1,2,3,4,5]; $min = sprintf("%02s", $min); $hour = sprintf("%02s", $hour); $mday = sprintf("% 2s", $mday); $mon = sprintf("% 2s", $mon + 1); return($min,$hour,$mday,$mon,$year + 1900); } sub myTimelocal { my ($min,$hours,$mday,$mon,$year) = @_; my $time = timelocal(0,$min,$hours,$mday, $mon - 1,$year - 1900); return($time); } sub loadImageErrorFromVar { unless (defined ($main::imgErr)){ $main::imgErr = pack "h*", '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'; } return(\$main::imgErr); } package myCGI; use CGI; sub new { my $proto = shift; my $class = ref($proto) || $proto; my $self = {}; $self->{'CGI'} = CGI->new(shift); bless ($self, $class); return $self; } sub r { my $self = shift; return($self->{'CGI'}); } sub DESTROY { my $self = shift; } sub paramDefault { my $self = shift; my %param = @_; foreach my $param (keys(%param)) { unless (defined($self->r->param(-Name=>$param))) { $self->r->param(-Name=>$param, -Value=>$param{$param}); } } return values(%param); } sub paramHidden { my $self = shift; my @hidden = @_; my @result; foreach my $param (@hidden) { push(@result, $self->r->hidden(-Name=>$param)); } return(@result); } sub saveparam { my $self = shift; my $savefile = shift; my $fh = FileHandle->new($savefile, "w"); defined($fh) || confess("Error opening $savefile (w): $!"); $self->r->save($fh); $fh->close(); chmod 0777, $savefile; } =head1 NAME rrdview.cgi - Perl CGI software to graph rrd image online =head1 SYNOPSIS Put it on any cgi-bin/ directory, use a browser, click and fill in an rrd file in the first textfield (replacing foo.rrd). The file belongs to the web server. =head1 DESCRIPTION Just another rrd viewer. =head1 TODO . An upload textfield to allow graphing client rrd files. . Deal with LAST, MAX, MIN RRA. =head1 AUTHOR Gilles LAMIRAL lamiral@mail.dotcom.fr =head1 SEE ALSO rrdtool(1), perl(1). =cut