mrtg treeview

#!/usr/bin/perl

# Flexible MRTG index page

#

# Based on original work done by mick@lowdown.com, mostly rewritten

# by Hamish@zot.org

#

# Thanks to Dave Rand, Peter W. Osel and Tobias Oetiker.

# Requires the CGI package (in mandriva this is perl-CGI)

use warnings;

use Data::Dumper;

$Data::Dumper::Indent = 1;

$Data::Dumper::Sortkeys = 1;

use CGI::Carp qw(fatalsToBrowser);

use Sys::Hostname;

'/etc/mrtg.cfg',

'/usr/share/WWW/mrtg/mrtg.cfg',

);

# FIXME - globals

my $gifdone = 0; # Scan for newest graph and save info for later

my $warnings;

$db->{default}->{post}->{xsize} = 500;

$db->{default}->{post}->{ysize} = 135;

sub config_save_val($$$$) {

my ($filename,$target,$var,$val) = @_;

my $this_ysize;

my $this_xsize;

my $this_title;

# HACK!

if ( $var eq 'ysize' ) {

$val += 35;

} elsif ( $var eq 'xsize' ) {

$val += 100;

}

# Save any default initializers

if ($target eq '_') {

$db->{default}->{post}->{$var} = $val;

return;

}

if ($target eq '^') {

$db->{default}->{pre}->{$var} = $val;

return;

}

# Check for a name collision, and uniqueify

my $unique_target = $target;

my $unique_id = 1;

while (defined $db->{target}->{$unique_target}

&& $db->{target}->{$unique_target}->{_cfgfile} ne $filename) {

$unique_target = $target . '_' . $unique_id;

$unique_id++;

}

if (!defined $db->{target}->{$unique_target}) {

# initialize a new target

#TODO - instantiate new tests from all of the "_"/"^" defaults

push @{$db->{sequence}}, $unique_target;

$db->{target}->{$unique_target}->{_target} = $target;

$db->{target}->{$unique_target}->{_cfgfile} = $filename;

$db->{target}->{$unique_target}->{_sequence} = @{$db->{sequence}};

$db->{target}->{$unique_target}->{xsize} = $db->{default}->{post}->{xsize};

$db->{target}->{$unique_target}->{ysize} = $db->{default}->{post}->{ysize};

}

$db->{target}->{$unique_target}->{$var} = $val;

}

# Load one or more files

#

sub config_load_file(@) {

while (@_) {

my $filename = shift;

my $fh = new FileHandle $filename,"r";

if (!defined $fh) {

# FIXME globals

$warnings .= "Warning: Could not open $filename $!\n";

}

#TODO - multi-line values

while(<$fh>){

# Is this a standard MRTG setting?

if ( $_ =~ /^([^#[][^[]+)\[(.*)\]:\s*(.+)$/ ) {

my $var=lc $1;

my $target=lc $2;

my $val=$3;

config_save_val($filename,$target,$var,$val);

}

# TODO - Handle extra statements:

# Include

# WorkDir

# LogDir

# ##HC Magic for baseurl

}

}

}

# Itterate through the loaded targets and read their mtime and

# any other filesystem details for them.

#

sub config_read_filesystem() {

# check and update details for all known tests;

for my $i (keys %{$db->{target}}) {

my $target = $db->{target}->{$i};

my $testname = $target->{_target};

# TODO - check workdir and validate it here

# Default is GIF, unless a PNG file exists

$target->{_imagetype} = 'gif';

if ( -e "$testname-day.png" ) {

$target->{_imagetype} = "png";

}

# TODO - change the filename based on the displayed period

my $filename = $testname . "-day." . $target->{_imagetype};

my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size,

$atime,$mtime,$ctime,$blksize,$blocks)

= stat($filename);

if (!defined $mtime) {

# if we cannot stat the file, skip it

next;

}

$target->{_mtime} = $mtime;

# FIXME - global

# find the newest file

if ($mtime > $gifdone) {

$gifdone = $mtime;

}

}

}

sub maketree_grouphosttest($) {

my ($name) = @_;

my $sequence = $db->{target}->{$name}->{_sequence};

# Do not classify any test with no separators in it

if ($name !~ /,/) {

$db->{tree}->{other}->{$name} = $sequence;

return;

}

my ($group,$host,$test) = split ',', $name;

# TODO cope with missing group/host/test parts.

# for now, just assume it is not a group/host/test

if (!defined $group || !defined $host || !defined $test) {

$db->{tree}->{other}->{$name} = $sequence;

return;

}

my $hosttype;

# TODO - this needs to have a better way...

# hosttype is the non digit hostname prefix - thus

# "proxy-1" and "proxy-2" would both end up in the

# "proxy-" hosttype

if ($host =~ m/^(.*[^0-9])(\d+)$/) {

$hosttype = $1.'*';

}

if (defined $hosttype) {

$db->{tree}->{group}->{$group}->{host}->{$hosttype}->{$host}->{$test}->{$name} = $sequence;

$db->{tree}->{group}->{$group}->{host}->{$hosttype}->{test}->{$test}->{$host}->{$name} = $sequence;

$db->{tree}->{host}->{$hosttype}->{$host}->{$test}->{$name} = $sequence;

$db->{tree}->{test}->{$test}->{$hosttype}->{$host}->{$name} = $sequence;

$db->{tree}->{group}->{$group}->{test}->{$test}->{$hosttype}->{$host}->{$name} = $sequence;

} else {

$db->{tree}->{group}->{$group}->{host}->{$host}->{$test}->{$name} = $sequence;

$db->{tree}->{host}->{$host}->{$test}->{$name} = $sequence;

$db->{tree}->{test}->{$test}->{$host}->{$name} = $sequence;

$db->{tree}->{group}->{$group}->{test}->{$test}->{$host}->{$name} = $sequence;

}

}

# Look through the target database and create tree entries for each cfgfile

#

sub maketree() {

for my $name (keys %{$db->{target}}) {

my $sequence = $db->{target}->{$name}->{_sequence};

# config files

my $cfgfile = $db->{target}->{$name}->{_cfgfile};

$db->{tree}->{config}->{$cfgfile}->{$name} = $sequence;

maketree_grouphosttest($name);

}

}

# FIXME - global

my $node_next = 1;

sub emit_tree_one($$$) {

my ($parentnode,$path,$dir) = @_;

if (!ref($dir)) {

#print "FIXME !REF $dir\n";

print "insDoc($parentnode, gLnk(\"S\", \"FIXME !REF $dir\", \"?\"))\n";

}

for my $i (sort keys %{$dir}) {

my $val = $dir->{$i};

if (!ref($val)) {

#print "insDoc($parentnode, gLnk(\"S\", \"$i\", \"?page=x&path=$path:$i\"))\n";

next;

}

my $node = 'n'.$node_next++;

print "$node = insFld($parentnode, gFld(\"$i\", \"?page=x&path=$path:$i\"))\n";

emit_tree_one("$node","$path:$i",$val);

}

}

sub emit_tree($) {

my ($style) = @_;

my $page = 'list';

my $target = 'R';

print "\n";

if ($style ne 'frame') {

print "USEFRAMES = 0\n";

print "PRESERVESTATE =1\n";

# USEICONS = 0

# WRAPTEXT = 1

$page=$style;

$target='S';

}

print "USETEXTLINKS = 1\n";

print "STARTALLOPEN = 0\n";

print "HIGHLIGHT = 1\n";

print "ICONPATH = ''\n";

print 'foldersTree = gFld("<i>MRTG Tree</i>", "javascript:undefined")',"\n";

print 'foldersTree.treeID = "Frameless"',"\n";

emit_tree_one('foldersTree',"",$db->{tree});

}

sub emit_path_contents($$) {

my ($path,$graph) = @_;

my @path = split /:/,$path;

my @pathfound;

my $node = $db->{tree};

while (@path) {

if (!$path[0]) {

shift @path;

next;

}

if (!ref($node)) {

print "Path Error ($path[0])\n";

return;

}

if (!defined $node->{$path[0]}) {

print "Path Not Found ($path[0])\n";

return;

}

push @pathfound, $path[0];

$node = $node->{$path[0]};

shift @path;

}

my @node;

my %targets;

push @node,$node;

while (@node) {

if (!ref($node[0])) {

print "Descent Error ($node[0])\n";

return;

}

for my $i (keys %{$node[0]}) {

my $val = $node[0]->{$i};

if (!ref($val)) {

$targets{$i}++;

} else {

push @node,$val;

}

}

shift @node;

}

# TODO - sort by sequence numbers

for my $i (keys %targets) {

my $target = $db->{target}->{$i};

# FIXME - what if mtime is undef?

my $time = localtime $target->{_mtime}; # $st_mtime saved in above loop

($time) = $time =~ /(\d+:\d+:\d+)/; # Just the time

my $title = $target->{title} || 'UNTITLED';

print "$time <b>$title</b><br/>";

my ($ysize, $xsize);

$ysize = $target->{ysize};

$xsize = $target->{xsize};

# TODO - use workpath and other info to point to other directories

print a({-href=>$target->{_target}.".html"},

img{

-src=>$target->{_target}."-$graph.".$target->{_imagetype},

-height=>"$ysize",

-width=>"$xsize"

}

);

print br,br,"\n";

}

print "<pre>\n";

print Dumper(\%targets);

print "</pre>\n";

}

my (@config_files) = @_;

my @list;

my %tests;

while(@config_files > 0){

my $cfg;

if (!open(In, $cfg = shift @config_files) ) {

$warnings .= "Warning: Could not open $cfg file\n";

next;

}

while(<In>){

#TODO - parse WorkDir: directives

if ( $_ =~ /^([^#[][^[]+)\[(.*)\]:\s*(.+)$/ ) {

my $var=lc $1;

my $testname=lc $2;

my $val=$3;

my $this_ysize;

my $this_xsize;

my $this_title;

if ( $var eq 'ysize' ) {

$this_ysize = $val +35;

} elsif ( $var eq 'xsize' ) {

$this_xsize = $val +100;

} elsif ( $var eq 'title' ) {

$this_title = $val;

}

# Skip any default initializers

if ($testname eq '_') {

if($this_xsize) {

$xsize_default = $this_xsize;

}

}

if ($testname eq '^') {

next;

}

if (! exists $tests{$testname}) {

$list[$testmax]->{xsize} = $xsize_default;

$list[$testmax]->{ysize} = $ysize_default;

$list[$testmax]->{name} = $testname;

$testnr = $testmax;

} else {

$testnr=$tests{$testname};

}

$list[$testnr]->{xsize} = $this_xsize if $this_xsize;

$list[$testnr]->{title} = $this_title if $this_title;

}

close In;

config_load_file($cfg);

my $testname = $i->{name};

if (!exists($i->{title})) {

$i->{title}='UNTITLED';

}

# Default is GIF, unless a PNG file exists

$i->{imagetype} = 'gif';

if ( -e "$testname-day.png" ) {

$i->{imagetype} = "png";

}

my ($dev, $ino, $mode, $nlink, $uid, $gid, $rdev, $size,

$atime,$mtime,$ctime,$blksize,$blocks)

= stat($filename);

if (!defined $mtime) {

}

$i->{mtime} = $mtime;

# find the newest file

if ($mtime > $gifdone) {

$gifdone = $mtime;

}

return @list;

}

sub init_lists(@) {

my (@tests) = @_;

my %hostlist;

my %hosttypelist;

my %hosttypecount;

for my $i (0..$#tests) {

my $testname = $tests[$i]->{name};

if ($testname !~ /,/) {

push @{$l->{OTHER}->{OTHER}}, $tests[$i];

}

my ($group,$host,$test) = split ',', $testname;

if (defined $group) {

if (defined $host) {

if (defined $test) {

# TODO - this needs to have a better way...

# hosttype is the non digit hostname prefix - thus

# "proxy-1" and "proxy-2" would both end up in the

# "proxy-" hosttype

if ($host =~ m/^(.*[^0-9])(\d+)$/) {

$hostlist{$host}=1;

$hosttypecount{$hosttype}++;

}

push @{$hosttypelist{$hosttype}}, $tests[$i];

}

if ($hosttypecount{$i} >1) {

}

maketree();

return $l;

my ($lists,$style,$target,$page) = @_;

if ($style eq 'wide') {

print "<tr>\n";

# print headings

for my $i (sort keys %{$lists}) {

print "<th>$i</th>\n";

}

print "</tr>";

}

if ($style eq 'wide') {

print "<tr>\n";

}

# print contents

for my $i (sort keys %{$lists}) {

if ($style eq 'high') {

print "<tr><th>$i</tr>\n";

print "<tr>";

}

print " <td valign=top>\n";

for my $j (sort keys %{$lists->{$i}}) {

print " </td>\n";

if ($style eq 'high') {

print "</tr>\n";

}

}

if ($style eq 'wide') {

print "</tr>";

}

print "</table>\n";

}

my ($style,$lists) = @_;

my $target = 'R';

if ($style ne 'frame') {

print "USEFRAMES = 0\n";

print "PRESERVESTATE =1\n";

# USEICONS = 0

# WRAPTEXT = 1

$page=$style;

$target='S';

}

print "STARTALLOPEN = 0\n";

print 'foldersTree = gFld("<i>MRTG Tree</i>", "javascript:undefined")',"\n";

print 'foldersTree.treeID = "Frameless"',"\n";

# print contents

for my $i (sort keys %{$lists}) {

for my $j (sort keys %{$lists->{$i}}) {

}

emit_tree_one('foldersTree','',$db->{tree});

my ($lists,$graph,$list,$target) = @_;

if (!defined $list) {

return undef;

}

return undef;

}

my @list = @{$lists->{$wantlist[0]}->{$wantlist[1]}};

my $router = $list[$router_num];

# FIXME - what if mtime is undef?

($time) = $time =~ /(\d+:\d+:\d+)/; # Just the time

print "$time <b>$router->{title}</b><br/>";

my ($ysize, $xsize);

$xsize = $router->{xsize};

-src=>$router->{name}."-$graph.".$router->{imagetype},

-height=>"$ysize",

-width=>"$xsize"

}

);

my ($this_graph,$list,$page,$changepage) = @_;

print 'Daily';

} else {

print '&nbsp;';

if ($this_graph eq 'week') {

print 'Weekly';

} else {

print '&nbsp;';

if ($this_graph eq 'month') {

print 'Monthly';

} else {

print '&nbsp;';

if ($this_graph eq 'year') {

print 'Yearly';

} else {

print '&nbsp;';

print '&nbsp;';

print a({-href=>"?page=$changepage"}, 'Change List'), '&nbsp;';

}

print '(This List is ',param('list'),")\n";

my $lists;

print "<html><head><title>$this_host MRTG Index (V$VERSION)</title></head>\n";

print "<script>\n";

print "function op() { }\n";

print "</script>\n";

print '<frameset cols="200,*">'; # FIXME onresize if navigator.family==nn4

print '<frame src="?page=treemenu" name=treeframe>';

print "</html>\n";

} elsif($page eq 'list') {

print header,

start_html(-TITLE=>"$this_host MRTG Index (V$VERSION)", -BGCOLOR=>'#e6e6e6'),

"\n";

@tests = init_tests(@config_files);

$lists = init_lists(@tests);

# Time the next update to occur a little while after the next interval completes

my $interval = 300; # 5 min update interval

my $guardband = 15; # updates occur this many seconds after predicted gif completion

my $refresh = $interval + $guardband + $gifdone - time; # predict how long until next update

$refresh = $interval if $refresh <= $guardband;

my $expires = gmtime (time + $interval * 2 + $guardband);

print

"<meta http-equiv=\"expires\" content=\"$expires GMT\">\n",

"<meta http-equiv=\"refresh\" content=$refresh>\n";

print_graph_chooser($graph,$list,$page,'none');

print "<br/>";

print header,

start_html(-TITLE=>"$this_host MRTG Index (V$VERSION)", -BGCOLOR=>'#e6e6e6'),

"\n";

@tests = init_tests(@config_files);

$lists = init_lists(@tests);

print <<EOF;

<STYLE>

BODY {

background-color: white;}

TD {

font-size: 10pt;

font-family: verdana,helvetica;

text-decoration: none;

white-space:nowrap;}

A {

text-decoration: none;

color: black;}

.specialClass {

font-family:garamond;

font-size:12pt;

color:green;

font-weight:bold;

text-decoration:underline}

</STYLE>

EOF

print '<script src="ftiens4.js"></script>';

print '<script>';

print '<DIV style="position:absolute; top:0; left:0;"><TABLE border=0><TR><TD><FONT size=-2><A style="font-size:7pt;text-decoration:none;color:silver" href="http://www.treemenu.net/" target=_blank>Javascript Tree Menu</A></FONT></TD></TR></TABLE></DIV>';

print '<script>initializeDocument()</script>';

print '<NOSCRIPT>A tree for site navigation will open here if you enable JavaScript in your browser.</NOSCRIPT>';

print end_html;

} elsif($page eq 'treenf') {

print header,

start_html(-TITLE=>"$this_host MRTG Index (V$VERSION)",

-bgcolor=>"white",

-leftmargin=>"0", -topmargin=>"0",

-marginheight=>"0", -marginwidth=>"0",

-onResize=>"if (navigator.family == 'nn4') window.location.reload()" ),

"\n";

@tests = init_tests(@config_files);

$lists = init_lists(@tests);

print <<EOF;

<STYLE>

/* */

/* Styles for the tree. */

/* */

SPAN.TreeviewSpanArea A {

font-size: 10pt;

font-family: verdana,helvetica;

text-decoration: none;

color: black;}

SPAN.TreeviewSpanArea A:hover {

color: '#820082';}

/* */

/* Styles for the remainder of the document. */

/* */

BODY {

background-color: white;}

TD {

font-size: 10pt;

font-family: verdana,helvetica;}

</STYLE>

EOF

print '<script src="ua.js"></script>';

print '<script src="ftiens4.js"></script>';

print '<script>';

print_treemenu('treenf',$lists);

print '</script>';

print <<EOF;

<TABLE cellpadding="0" cellspacing="0" border="0" width="772">

<TR>

<TD width="178" valign="top">

<TABLE cellpadding="4" cellspacing="0" border="0" width="100%">

<TR>

<TD bgcolor="#ECECD9">

<TABLE cellspacing="0" cellpadding="2" border="0" width="100%">

<TR>

<SPAN class=TreeviewSpanArea>

<SCRIPT>initializeDocument()</SCRIPT>

<NOSCRIPT>

A tree for site navigation will open here if you enable JavaScript in your browser.

</NOSCRIPT>

</SPAN>

EOF

print hr;

print_menutypelist();

print <<EOF;

</TD>

</TR>

</TABLE>

</TD>

</TR>

</TABLE>

</TD>

<TD bgcolor="white" valign="top">

<TABLE cellpadding="10" cellspacing="0" border="0" width="100%">

<TR>

<TD>

EOF

# Time the next update to occur a little while after the next interval completes

my $interval = 300; # 5 min update interval

my $guardband = 15; # updates occur this many seconds after predicted gif completion

my $refresh = $interval + $guardband + $gifdone - time; # predict how long until next update

$refresh = $interval if $refresh <= $guardband;

my $expires = gmtime (time + $interval * 2 + $guardband);

my $list = param('list');

my $graph = param('graph') || 'day';

print

"<meta http-equiv=\"expires\" content=\"$expires GMT\">\n",

"<meta http-equiv=\"refresh\" content=$refresh>\n";

if ($list) {

print_graph_chooser($graph,$list,$page,'none');

print "<br/>";

print <<EOF;

</TD>

</TR>

</TABLE>

</TR>

</TABLE>

EOF

print end_html;

} elsif($page eq 'x') {

print header,

start_html(-TITLE=>"$this_host MRTG Index (V$VERSION)",

-bgcolor=>"white",

-leftmargin=>"0", -topmargin=>"0",

-marginheight=>"0", -marginwidth=>"0",

-onResize=>"if (navigator.family == 'nn4') window.location.reload()" ),

"\n";

config_load_file(@config_files);

config_read_filesystem();

maketree();

print <<EOF;

<STYLE>

/* */

/* Styles for the tree. */

/* */

SPAN.TreeviewSpanArea A {

font-size: 10pt;

font-family: verdana,helvetica;

text-decoration: none;

color: black;}

SPAN.TreeviewSpanArea A:hover {

color: '#820082';}

/* */

/* Styles for the remainder of the document. */

/* */

BODY {

background-color: white;}

TD {

font-size: 10pt;

font-family: verdana,helvetica;}

</STYLE>

EOF

print '<script src="ua.js"></script>';

print '<script src="ftiens4.js"></script>';

print '<script>';

emit_tree('treenf');

print '</script>';

print <<EOF;

<TABLE cellpadding="0" cellspacing="0" border="0" width="772">

<TR>

<TD width="178" valign="top">

<TABLE cellpadding="4" cellspacing="0" border="0" width="100%">

<TR>

<TD bgcolor="#ECECD9">

<TABLE cellspacing="0" cellpadding="2" border="0" width="100%">

<TR>

<td width="200" valign="top" bgcolor="#efefef" style="border-right: 1px solid rgb(170, 170, 170); padding: 5px;">

<TABLE border=0><TR><TD><FONT size=-2><A style="font-size:7pt;text-decoration:none;color:silver" href="http://www.treemenu.net/" target=_blank /></FONT></TD></TR></TABLE>

<SPAN class=TreeviewSpanArea>

<SCRIPT>initializeDocument()</SCRIPT>

<NOSCRIPT>

A tree for site navigation will open here if you enable JavaScript in your browser.

</NOSCRIPT>

</SPAN>

</TD>

</TR>

</TABLE>

</TD>

</TR>

</TABLE>