|  | #!/usr/bin/perl
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    |  | #
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    |  | # Flexible MRTG index page
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    |  | #
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    |  | # Based on original work done by mick@lowdown.com, mostly rewritten
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    |  | # by Hamish@zot.org
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    |  | #
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    |  | # (c) 1997, Mick Ghazey mick@lowdown.com
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    |  | # Thanks to Dave Rand, Peter W. Osel and Tobias Oetiker.
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    |  | #
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    |  | # Requires the CGI package (in mandriva this is perl-CGI)
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    |  | 
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    |  | use strict;
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    |  | use warnings;
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    |  | 
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    |  | use CGI ':all';
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    |  | use CGI::Carp qw(fatalsToBrowser);
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    |  | use Sys::Hostname;
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    |  | 
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    |  | my @config_files = (
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    |  | 	'/etc/mrtg.cfg',
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    |  | 	'/usr/share/WWW/mrtg/mrtg.cfg',
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    |  | );
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    |  | 
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    |  | # FIXME - globals
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    |  | my $gifdone = 0; # Scan for newest graph and save info for later
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    |  | my $warnings;
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    |  | 
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    |  | sub init_tests(@) {
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    |  | 	my (@config_files) = @_;
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    |  | 
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    |  | 	my $xsize_default = 500;
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    |  | 	my $testmax=0;
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    |  | 	my @list;
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    |  | 	my %tests;
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    |  | 
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    |  | 	while(@config_files > 0){
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    |  | 		my $cfg;
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    |  | 
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    |  | 		if (!open(In, $cfg = shift @config_files) ) {
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    |  | 			$warnings .= "Warning: Could not open $cfg file\n";
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    |  | 			next;
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    |  | 		}
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    |  | 
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    |  | 		while(<In>){
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    |  | 
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    |  | 			#TODO - parse WorkDir: directives
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    |  | 			#TODO - instantiate new tests from the "_" defaults
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    |  | 
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    |  | 			if ( $_ =~ /^([^#[][^[]+)\[(.*)\]:\s*(.+)$/ ) {
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    |  | 				my $testnr;
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    |  | 				my $var=lc $1;
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    |  | 				my $testname=lc $2;
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    |  | 				my $val=$3;
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    |  | 
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    |  | 				my $this_ysize;
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    |  | 				my $this_xsize;
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    |  | 				my $this_title;
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    |  | 
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    |  | 				if ( $var eq 'ysize' ) {
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    |  | 					$this_ysize = $val +35;
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    |  | 				} elsif ( $var eq 'xsize' ) {
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    |  | 					$this_xsize = $val +100;
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    |  | 					# FIXME - quick-hack
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    |  | 					if ( $testname eq '_' ) {
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    |  | 						$xsize_default = $this_xsize;
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    |  | 					}
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    |  | 				} elsif ( $var eq 'title' ) {
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    |  | 					$this_title = $val;
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    |  | 				}
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    |  | 
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    |  | 				# Skip any default initializers
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    |  | 				if ($testname eq '_') {
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    |  | 					next;
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    |  | 				}
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    |  | 				if ($testname eq '^') {
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    |  | 					next;
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    |  | 				}
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    |  | 
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    |  | 				if (! exists $tests{$testname}) {
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    |  | 					$tests{$testname}=$testmax;
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    |  | 					$list[$testmax]->{name} = $testname;
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    |  | 					$list[$testmax]->{xsize} = $xsize_default;
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    |  | 					$testnr = $testmax;
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    |  | 					# TODO - replace testmax with (scalar @list)
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    |  | 					$testmax++;
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    |  | 				} else {
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    |  | 					$testnr=$tests{$testname};
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    |  | 				}
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    |  | 
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    |  | 				$list[$testnr]->{ysize} = $this_ysize if $this_ysize;
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    |  | 				$list[$testnr]->{xsize} = $this_xsize if $this_xsize;
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    |  | 				$list[$testnr]->{title} = $this_title if $this_title;
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    |  | 			}
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    |  | 		}
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    |  | 		close In;
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    |  | 	}
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    |  | 
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    |  | 	# check and update details for all known tests;
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    |  | 	for my $i (@list) {
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    |  | 		my $testname = $i->{name};
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    |  | 		if (!exists($i->{title})) {
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    |  | 			$i->{title}='UNTITLED';
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    |  | 		}
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    |  | 
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    |  | 		# Default is GIF, unless a PNG file exists
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    |  | 		$i->{imagetype} = 'gif';
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    |  | 		if ( -e "$testname-day.png" ) {
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    |  | 			$i->{imagetype} = "png";
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    |  | 		}
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    |  | 
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    |  | 		# TODO - change the filename based on the displayed period
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    |  | 		my $filename = $testname . "-day." . $i->{imagetype};
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    |  | 		
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    |  | 		my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size,
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    |  | 			$atime,$mtime,$ctime,$blksize,$blocks)
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    |  | 			= stat($filename);
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    |  | 		if (!defined $mtime) {
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    |  | 			# if we cannot stat the file, skip it
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    |  | 			next;
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    |  | 		}
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    |  | 
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    |  | 		$i->{mtime} = $mtime;
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    |  | 
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    |  | 		# find the newest file
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    |  | 		if ($mtime > $gifdone) {
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    |  | 			$gifdone = $mtime;
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    |  | 		}
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    |  | 	}
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    |  | 
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    |  | 	return @list;
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    |  | }
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    |  | 
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    |  | sub init_lists(@) {
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    |  | 	my (@tests) = @_;
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    |  | 
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    |  | 	my $l;
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    |  | 
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    |  | 	my %hostlist;
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    |  | 	my %hosttypelist;
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    |  | 	my %hosttypecount;
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    |  | 
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    |  | 	@{$l->{ALL}->{ALL}}=@tests;
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    |  | 
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    |  | 	for my $i (0..$#tests) {
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    |  | 		my $testname = $tests[$i]->{name};
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    |  | 
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    |  | 		# Do not classify any test with no separators in it
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    |  | 		if ($testname !~ /,/) {
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    |  | 			push @{$l->{OTHER}->{OTHER}}, $tests[$i];
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    |  | 			next;
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    |  | 		}
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    |  | 
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    |  | 		my ($group,$host,$test) = split ',', $testname;
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    |  | 
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    |  | 		if (defined $group) {
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    |  | 			push @{$l->{GROUP}->{$group}}, $tests[$i];
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    |  | 		}
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    |  | 		if (defined $host) {
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    |  | 			push @{$l->{HOST}->{$host}}, $tests[$i];
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    |  | 		}
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    |  | 		if (defined $test) {
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    |  | 			push @{$l->{TEST}->{$test}}, $tests[$i];
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    |  | 		}
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    |  | 
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    |  | 		# TODO - this needs to have a better way...
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    |  | 		# hosttype is the non digit hostname prefix - thus
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    |  | 		# "proxy-1" and "proxy-2" would both end up in the
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    |  | 		# "proxy-" hosttype
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    |  | 		if ($host =~ m/^(.*[^0-9])(\d+)$/) {
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    |  | 			my $hosttype = $1.'*';
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    |  | 
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    |  | 			# count each host only once
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    |  | 			if (!defined $hostlist{$host}) {
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    |  | 				$hostlist{$host}=1;
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    |  | 				$hosttypecount{$hosttype}++;
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    |  | 			}
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    |  | 
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    |  | 			push @{$hosttypelist{$hosttype}}, $tests[$i];
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    |  | 		}
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    |  | 	}
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    |  | 
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    |  | 	for my $i (keys %hosttypelist) {
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    |  | 		if ($hosttypecount{$i} >1) {
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    |  | 			push @{$l->{TYPE}->{$i}}, @{$hosttypelist{$i}};
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    |  | 		}
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    |  | 	}
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    |  | 	
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    |  | 	return $l;
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    |  | }
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    |  | 
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    |  | my @tests = init_tests(@config_files);
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    |  | my $lists = init_lists(@tests);
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    |  | 
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    |  | #use Data::Dumper;
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    |  | #print Dumper(\@tests);
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    |  | #print Dumper(\$lists);
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    |  | 
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    |  | # FIXME - globals
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    |  | # Time the next update to occur a little while after the next interval completes
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    |  | my $interval = 300; # 5 min update interval
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    |  | my $guardband = 15; # updates occur this many seconds after predicted gif completion
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    |  | my $refresh = $interval + $guardband + $gifdone - time; # predict how long until next update
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    |  | $refresh = $interval if $refresh <= $guardband;
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    |  | my $expires = gmtime (time + $interval * 2 + $guardband);
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    |  | 
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    |  | #selfurl is ready to append args to.
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    |  | my $selfurl = url(-relative=>1).'?';
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    |  | my $this_host = hostname;
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    |  | 
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    |  | print header, start_html(-TITLE=>"$this_host MRTG Index", -BGCOLOR=>'#e6e6e6'),
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    |  |     "\n";
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    |  | 
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    |  | # FIXME - use something that doesnt make "&" into "&" in the <a> tags
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    |  | # 	you mean, like, a form?.  well, duh!
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    |  | 
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    |  | my @wantlist = split /,/,param('list');
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    |  | 
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    |  | if (!@wantlist) {
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    |  | 	print table({-width=>"100\%"}, TR(td("Select which list to show")));
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    |  | 	print "\n<table border=2 cellpadding=4 cellspacing=0 style=\"margin: 1em 1em 1em 0; background: #f9f9f9; border: 1px #aaa solid; border-collapse: collapse; font-size: 95%;\">\n";
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    |  | 	print "<tr>\n";
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    |  | 	for my $i (sort keys %{$lists}) {
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    |  | 		print "<th>$i</th>\n";
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    |  | 	}
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    |  | 	print "</tr><tr>\n";
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    |  | 	for my $i (sort keys %{$lists}) {
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    |  | 		print " <td valign=top>\n";
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    |  | 		for my $j (sort keys %{$lists->{$i}}) {
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    |  | 			print "  ".a({-href=>$selfurl."list=$i,$j"},"$j")."<br>\n";
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    |  | 		}
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    |  | 		print " </td>\n";
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    |  | 	}
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    |  | 	print "</tr></table>\n";
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    |  | } elsif (!defined $lists->{$wantlist[0]}->{$wantlist[1]}) {
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    |  | 	#FIXME
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    |  | 	print table({-width=>"100\%"}, TR(td("That list is unavailable")));
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    |  | } else {
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    |  | 	my @list = @{$lists->{$wantlist[0]}->{$wantlist[1]}};
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    |  | 	$selfurl.='list='.param('list').'&';
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    |  | 
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    |  | 	my $graph='day';
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    |  | 	my $graph_unchecked='day';
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    |  | 	if (defined param('graph')) {
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    |  | 		$graph_unchecked=param('graph');
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    |  | 	}
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    |  | 
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    |  | 	print
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    |  | 		"<meta http-equiv=\"expires\" content=\"$expires GMT\">\n",
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    |  | 		"<meta http-equiv=\"refresh\" content=$refresh>\n";
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    |  | 	print "<table>\n",
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    |  | 		"<tr><td>Click graph for more info\n",
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    |  | 		"<tr><td>";
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    |  | 	if ($graph_unchecked ne 'day') {
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    |  | 		print a({-href=>$selfurl.'graph=day&'}, 'Daily')
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    |  | 	} else {
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    |  | 		print 'Daily';
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    |  | 	}
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    |  | 	print ' ';
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    |  | 	if ($graph_unchecked ne 'week') {
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    |  | 		print a({-href=>$selfurl.'graph=week&'}, 'Weekly')
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    |  | 	} else {
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    |  | 		print 'Weekly';
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    |  | 		$graph = $graph_unchecked;
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    |  | 	}
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    |  | 	print ' ';
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    |  | 	if ($graph_unchecked ne 'month') {
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    |  | 		print a({-href=>$selfurl.'graph=month&'}, 'Monthly')
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    |  | 	} else {
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    |  | 		print 'Monthly';
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    |  | 		$graph = $graph_unchecked;
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    |  | 	}
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    |  | 	print ' ';
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    |  | 	if ($graph_unchecked ne 'year') {
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    |  | 		print a({-href=>$selfurl.'graph=year&'}, 'Yearly')
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    |  | 	} else {
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    |  | 		print 'Yearly';
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    |  | 		$graph = $graph_unchecked;
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    |  | 	}
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    |  | 	print ' ';
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    |  | 	print a({-href=>url(-relative=>1)}, 'Change List'),
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    |  | 		' ',
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    |  | 		'(Current List is ',param('list'),")\n",
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    |  | 		"</table>\n";
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    |  | 
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    |  | 	if ($graph ne 'day') {
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    |  | 		$selfurl.='graph='.$graph.'&';
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    |  | 	}
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    |  | 	
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    |  | 	my @display_order = (0..$#list);
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    |  | 	@display_order = split /:/, param('ord') if defined param('ord');
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    |  | 
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    |  | 	for my $index (0..$#list){
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    |  | 	    my @spliced = @display_order;
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    |  | 	    my $router_num = splice @spliced, $index, 1; # Router removed
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    |  | 	    my $router = $list[$router_num];
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    |  | 		# FIXME - what if mtime is undef?
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    |  | 	    my $time = localtime $router->{mtime}; # $st_mtime saved in above loop
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    |  | 	    ($time) = $time =~ /(\d+:\d+:\d+)/; # Just the time
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    |  | 	    print hr, "\n";
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    |  | 
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    |  | 	    print a({-name=>$index});
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    |  | 	    # Print re-ordering links top, bot, up, dn
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    |  | 	    my $mv_dn = "";
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    |  | 	    my $mv_up = "";
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    |  | 	    $" = ':';
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    |  | 	    if($index > 0){
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    |  | 		my @top = ($router_num, @spliced);
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    |  | 		my @up = @spliced;
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    |  | 		my $indxup = $index - 1;
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    |  | 		splice @up, $indxup, 0, $router_num;
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    |  | 
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    |  | 		# FIXME - need a way to append this correctly ..
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    |  | 		$mv_up = sprintf "%s %s ", a({-href=>$selfurl."ord=@top#0"}, "Top"), # move to top
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    |  | 		a({-href=>$selfurl."ord=@up#$indxup"}, "Up"); # move up
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    |  | 	    }
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    |  | 	    if($index < $#list){
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    |  | 		my @bot = (@spliced, $router_num);
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    |  | 		my @down = @spliced;
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    |  | 		my $indxdn = $index + 1;
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    |  | 		splice @down, $indxdn, 0, $router_num;
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    |  | 
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    |  | 		my $indxbot = @list - 3;
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    |  | 		while($indxbot < 0){$indxbot += 1}
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    |  | 		$mv_dn = sprintf "%s %s ", a({-href=>$selfurl."ord=@down#$indxdn"}, "Down"), # move down
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    |  | 		a({-href=>$selfurl."ord=@bot#$indxbot"}, "Bot"); # move to bottom
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    |  | 	    }
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    |  | 	    undef $";
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    |  | 
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    |  | 	    print table({-width=>"100\%"}, 
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    |  | 			TR(
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    |  | 				td({-align=>"left",-width=>"20\%"}, "$mv_up $mv_dn"),
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    |  | 				td({-align=>"left"},
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    |  | 					b($router->{title}),
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    |  | 					" $time")
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    |  | 				)
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    |  | 			);
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    |  | 
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    |  | 	    my ($ysize, $xsize);
 | 
  
    |  | 	    if ( exists $router->{ysize} ) {
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    |  | 		$ysize = $router->{ysize};
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    |  | 	    } else {
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    |  | 		$ysize = "135";
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    |  | 	    }
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    |  | 	    if ( exists $router->{xsize} ) {
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    |  | 		$xsize = $router->{xsize};
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    |  | 	    } else {
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    |  | 		$xsize = "400";
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    |  | 	    }
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    |  | 	    print a({-href=>$router->{name}.".html"}, img{-src=>$router->{name}."-$graph.".$router->{imagetype}, -height=>"$ysize", -width=>"$xsize"});
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    |  | 
 | 
  
    |  | 	}
 | 
  
    |  | }
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    |  | 
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    |  | if ($warnings) {
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    |  | 	print "<pre>\n", "$warnings", "</pre>\n";
 | 
  
    |  | }
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    |  | 
 | 
  
    |  | #print "\n",hr,"Direct questions and feedback to Mick Ghazey: ",
 | 
  
    |  | #    a({-href=>"mailto:mick\@lowdown.com"}, "mick\@lowdown.com"),
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    |  | #    end_html;
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    |  | print "\n",hr,"Direct questions and feedback to ",
 | 
  
    |  |     a({-href=>"mailto:hamish\@zot.org"}, "Hamish"),
 | 
  
    |  |     end_html;
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    |  | 
 |