diff options
Diffstat (limited to 'examples/historical/web/nms.gathering.org/nettkart.pl')
| -rwxr-xr-x | examples/historical/web/nms.gathering.org/nettkart.pl | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/examples/historical/web/nms.gathering.org/nettkart.pl b/examples/historical/web/nms.gathering.org/nettkart.pl new file mode 100755 index 0000000..bf3bf74 --- /dev/null +++ b/examples/historical/web/nms.gathering.org/nettkart.pl @@ -0,0 +1,145 @@ +#! /usr/bin/perl +use CGI; +use GD; +use Image::Magick; +use DBI; +use lib '../../include'; +use strict; +use warnings; +use nms; +use File::Basename; +my $cgi = CGI->new; +my $cwd = dirname($0); + +# Sekrit night-mode +my $night = defined($cgi->param('night')); + +my $dbh = nms::db_connect(); + +GD::Image->trueColor(1); + +my $text_img; +our $img = GD::Image->new($cwd.'/tg15-salkart.png'); +if ($night) { + my ($width, $height) = ($img->width, $img->height); + + $img = GD::Image->new($width, $height, 1); + $img->alphaBlending(0); + $img->saveAlpha(1); + my $blank = $img->colorAllocateAlpha(0, 0, 0, 127); + $img->filledRectangle(0, 0, $img->width - 1, $img->height - 1, $blank); + + $text_img = GD::Image->new($width, $height, 1); + $text_img->alphaBlending(0); + $text_img->saveAlpha(1); + $blank = $text_img->colorAllocateAlpha(0, 0, 0, 127); + $text_img->filledRectangle(0, 0, $text_img->width - 1, $text_img->height - 1, $blank); +} else { + $text_img = $img; +} + +my $blk = $img->colorResolve(0, 0, 0); + +for my $y (42..236) { + my $i = 4.0 * ($y - 236.0) / (42.0 - 237.0); + my $clr = get_color($i); + + $img->filledRectangle(12, $y, 33, $y+1, $clr); + $text_img->filledRectangle(12, $y, 33, $y+1, $clr); +} + +$text_img->rectangle(12,42,33,236,$blk); + +my $tclr = $night ? $text_img->colorResolve(255, 255, 255) : $blk; +$text_img->stringFT($tclr, "/usr/share/fonts/truetype/msttcorefonts/Arial.ttf", 10, 0, 40, 47 + (236-42)*0.0/4.0, "100 Gbit/sec"); +$text_img->stringFT($tclr, "/usr/share/fonts/truetype/msttcorefonts/Arial.ttf", 10, 0, 40, 47 + (236-42)*1.0/4.0, "10 Gbit/sec"); +$text_img->stringFT($tclr, "/usr/share/fonts/truetype/msttcorefonts/Arial.ttf", 10, 0, 40, 47 + (236-42)*2.0/4.0, "1 Gbit/sec"); +$text_img->stringFT($tclr, "/usr/share/fonts/truetype/msttcorefonts/Arial.ttf", 10, 0, 40, 47 + (236-42)*3.0/4.0, "100 Mbit/sec"); +$text_img->stringFT($tclr, "/usr/share/fonts/truetype/msttcorefonts/Arial.ttf", 10, 0, 40, 47 + (236-42)*4.0/4.0, "10 Mbit/sec"); +$text_img->stringFT($tclr, "/usr/share/fonts/truetype/msttcorefonts/Arial.ttf", 10, 0, 1600, 1000, "NMS (C) 2005-2015 Tech:Server"); + +my $q = $dbh->prepare("select * from ( SELECT switch,sysname,sum(ifhcinoctets) AS ifhcinoctets,sum(ifhcoutoctets) AS ifhcoutoctets from switches natural left join get_current_datarate() where ip <> inet '127.0.0.1' group by switch,sysname) t1 natural join placements order by zorder;"); +$q->execute(); +while (my $ref = $q->fetchrow_hashref()) { + + # for now: + # 10Mbit/switch = green + # 100Mbit/switch = yellow + # 1Gbit/switch = red + # 10Gbit/switch = white + + my $clr; + + if (defined($ref->{'ifhcinoctets'})) { + my $intensity = 0.0; + my $traffic = 4.0 * ($ref->{'ifhcinoctets'} + $ref->{'ifhcoutoctets'}); # average and convert to bits (should be about the same in practice) + + my $max = 100_000_000_000.0; # 100Gbit + my $min = 10_000_000.0; # 10Mbit + if ($traffic >= $min) { + $intensity = log($traffic / $min) / log(10); + $intensity = 4.0 if ($intensity > 4.0); + } + $clr = get_color($intensity); + } else { + $clr = $img->colorResolve(0, 0, 255); + } + + my $sysname = $ref->{'sysname'}; + $sysname =~ s/-sekrit//; + + $ref->{'placement'} =~ /\((\d+),(\d+)\),\((\d+),(\d+)\)/; + $img->filledRectangle($3,$4,$1,$2,$clr); + $text_img->filledRectangle($3,$4,$1,$2,$clr); + + $img->rectangle($3,$4,$1,$2,$blk); + $text_img->rectangle($3,$4,$1,$2,$blk); + my ($x2, $y2, $x1, $y1) = ($1, $2, $3, $4); + my $max_textlen = ($x2-$x1) > ($y2-$y1) ? $x2-$x1 : $y2-$y1; + while (length($sysname) * 6 > $max_textlen) { + # Try to abbreviate sysname if it is too long for the box + $sysname =~ s/^(.*)[a-z]~?([0-9-]+)$/$1~$2/ or last; + } + if (($x2-$x1) > ($y2-$y1)) { + $text_img->string(gdSmallFont,$x1+2,$y1,$sysname,$blk); + } else { + $text_img->stringUp(gdSmallFont,$x1,$y2-3,$sysname,$blk); + } +} +$dbh->disconnect; + +print $cgi->header(-type=>'image/png', -expires=>'now'); +if ($night) { + my $magick = Image::Magick->new; + $magick->BlobToImage($img->png); + $magick->Blur(sigma=>10.0, channel=>'All'); + $magick->Gamma(gamma=>1.90); + + my $m2 = Image::Magick->new; + $m2->Read($cwd.'/tg15-salkart.png'); + $m2->Negate(); + $m2->Composite(image=>$magick, compose=>'Atop'); + + my $m3 = Image::Magick->new; + $m3->BlobToImage($text_img->png); + $m2->Composite(image=>$m3, compose=>'Atop'); + + $img = $m2->ImageToBlob(); + print $img; +} else { + print $img->png; +} + +sub get_color { + my $intensity = shift; + my $gamma = 1.0/1.90; + if ($intensity > 3.0) { + return $img->colorResolve(255.0 * ((4.0 - $intensity) ** $gamma), 255.0 * ((4.0 - $intensity) ** $gamma), 255.0 * ((4.0 - $intensity) ** $gamma)); + } elsif ($intensity > 2.0) { + return $img->colorResolve(255.0, 255.0 * (($intensity - 2.0) ** $gamma), 255.0 * (($intensity - 2.0) ** $gamma)); + } elsif ($intensity > 1.0) { + return $img->colorResolve(255.0, 255.0 * ((2.0 - $intensity) ** $gamma), 0); + } else { + return $img->colorResolve(255.0 * ($intensity ** $gamma), 255, 0); + } +} |