#! /usr/bin/perl
use CGI;
use GD;
+use Image::Magick;
use DBI;
use lib '../include';
use nms;
my $cgi = CGI->new;
+# Sekrit night-mode
+my $night = defined($cgi->param('night'));
+
my $dbh = nms::db_connect();
GD::Image->trueColor(1);
-$img = GD::Image->new('bg2.png');
+my ($img, $text_img);
+
+$img = GD::Image->new('bg07.png');
+if ($night) {
+ my ($width, $height) = ($img->width, $img->height);
+
+ $img = GD::Image->new($width, $height);
+ $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);
+ $text_img->alphaBlending(0);
+ $text_img->saveAlpha(1);
+ my $blank = $text_img->colorAllocateAlpha(0, 0, 0, 127);
+ $text_img->filledRectangle(0, 0, $text_img->width - 1, $text_img->height - 1, $blank);
+} else {
+ $img = GD::Image->new('bg07.png');
+ $text_img = $img;
+}
my $blk = $img->colorResolve(0, 0, 0);
for my $y (42..236) {
- my $i = 2.0 * ($y - 236.0) / (42.0 - 237.0);
+ my $i = 4.0 * ($y - 236.0) / (42.0 - 237.0);
my $clr = get_color($i);
- $img->filledRectangle(32,$y,53,$y+1,$clr);
+ $img->filledRectangle(12, $y, 33, $y+1, $clr);
+ $text_img->filledRectangle(12, $y, 33, $y+1, $clr);
}
-my $q = $dbh->prepare('select * from switches natural join placements natural left join
-( select switch,sum(bytes_in)/count(*) as
-bytes_in,sum(bytes_out)/count(*) as bytes_out from get_datarate() group
-by switch ) t1 where ip<>\'127.0.0.1\'');
+$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, 1000, 620, "NMS (C) 2005-2007 Tech:Server");
+
+my $q = $dbh->prepare('select * from switches natural join placements natural left join current_datarate order by zorder');
$q->execute();
while (my $ref = $q->fetchrow_hashref()) {
# for now:
- # 100kbit/port = all green
- # 1gbit/port = all red
+ # 10Mbit/switch = green
+ # 100Mbit/switch = yellow
+ # 1Gbit/switch = red
+ # 10Gbit/switch = white
my $clr;
my $intensity = 0.0;
my $traffic = 4.0 * $ref->{'bytes_in'} + $ref->{'bytes_out'}; # average and convert to bits (should be about the same in practice)
- my $max = 20_000_000.0; # 10mbit
- my $min = 100_000.0; # 100kbit
+ my $max = 10_000_000_000.0; # 10Gbit
+ my $min = 10_000_000.0; # 10Mbit
if ($traffic >= $min) {
- $intensity = 2.0 * (log($traffic / $min) / log(10)) / (log($max / $min) / log(10));
- $intensity = 2.0 if ($intensity > 2.0);
- }
+ $intensity = log($traffic / $min) / log(10);
+ $intensity = 3.0 if ($intensity > 3.0);
+ }
$clr = get_color($intensity);
} else {
$clr = $img->colorResolve(0, 0, 255);
$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);
- $img->stringUp(gdSmallFont,$3,$2-3,$ref->{'sysname'},$blk);
+ $text_img->rectangle($3,$4,$1,$2,$blk);
+ $text_img->stringUp(gdSmallFont,$3,$2-3,$ref->{'sysname'},$blk);
}
$dbh->disconnect;
print $cgi->header(-type=>'image/png');
-print $img->png;
+if ($night) {
+ my $magick = Image::Magick->new;
+ $magick->BlobToImage($img->png);
+ $magick->Blur(sigma=>10.0, channels=>'All');
+ $magick->Gamma(gamma=>1.90);
+
+ my $m2 = Image::Magick->new;
+ $m2->Read('snmp-bg.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 > 1.0) {
+ 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);