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#!/usr/local/bin/perl -w
use strict;
use SNMP_Session;
use SNMP_util;
sub show_light_trail (@);
sub show_bitmap ($$);
sub print_html_header ();
sub print_html_trailer ();
my $html_file = "/opt/www/htdocs/lan/switchlambda/status.html";
my $inverse_video = 0;
snmpmapOID (qw(amplifierOperStatus 1.3.6.1.4.1.2522.1.5.1.1.0
amplifierLastChange 1.3.6.1.4.1.2522.1.5.1.2.0
amplifierGain-dB 1.3.6.1.4.1.2522.1.5.1.3.0
inputPowerStatus 1.3.6.1.4.1.2522.1.5.1.4.0
inputPowerLevel 1.3.6.1.4.1.2522.1.5.1.5.0
outputPowerStatus 1.3.6.1.4.1.2522.1.5.1.6.0
outputPowerLevel 1.3.6.1.4.1.2522.1.5.1.7.0));
my @eastbound_amps = qw(public@muxCE1-A8
public@muxLS1-A1
public@muxLS1-A8
public@muxBE1-A1
public@muxBE1-A8
public@muxBA1-A1
public@muxBA1-A8
public@muxEZ1-A1);
my @westbound_amps = qw(
public@muxEZ1-A2
public@muxBA1-A7
public@muxBA1-A2
public@muxBE1-A7
public@muxBE1-A2
public@muxLS1-A7
public@muxLS1-A2
);
my @amps = (@eastbound_amps, @westbound_amps);
for (;;) {
open (HTML, ">$html_file.new");
print_html_header ();
my $localtime = localtime();
print "",$localtime,"\n";
print HTML "<p> Last updated: $localtime </p>\n";
print "\nEastbound:\n";
print HTML "<table width=\"100%\"><tr><td align=\"left\" valign=\"top\" width=\"45%\"><h2> Eastbound </h2>\n";
show_light_trail (@eastbound_amps);
print HTML "</td><td align=\"right\" valign=\"top\" width=\"45%\"><h2> Westbound </h2>";
print "\nWestbound:\n";
show_light_trail (@westbound_amps);
print HTML "</td></tr></table>\n";
print "-"x 75,"\n";
print_html_trailer ();
close (HTML);
rename ($html_file.".new",$html_file);
sleep (292);
}
1;
sub show_light_trail (@) {
my @amps = @_;
printf "%-16s%-8s%-8s\n", "node", " in pwr", " out pwr";
printf "%-16s%-8s%-8s\n", "name", " dBm", " dBm";
print HTML "<table>\n <tr>\n <th>Amplifier</th>\n <th>Input<br>Power<br>(dBm)</th>\n <th>Output<br>Power<br>(dBm)</th>\n </tr>\n";
foreach my $amp (@amps) {
my ($community,$nodename) = split (/@/,$amp);
my ($amp_status,
$in_status, $in,
$out_status, $out)
= snmpget ($amp, qw(amplifierOperStatus
inputPowerStatus inputPowerLevel
outputPowerStatus outputPowerLevel));
printf "%-16s%8.2f%8.2f\t%-8s%-8s%-8s\n",
$nodename, $in, $out,
show_bitmap ($amp_status, 5),
pretty_power_status ($in_status),
pretty_power_status ($out_status);
my ($amp_class, $in_class, $out_class)
= (class_for_amp_status ($amp_status),
class_for_level_status ($in_status),
class_for_level_status ($out_status));
print HTML "<tr><td class=\"$amp_class\">$nodename</td><td class=\"$in_class\">$in</td><td class=\"$out_class\">$out</td></tr>\n";
}
print HTML "</table>\n";
}
sub show_bitmap ($$) {
my ($bits,$n) = @_;
my ($k,$result);
for ($k = 0, $result = ''; $k < $n; ++$k) {
$result .= (($bits & (1<<$k)) ? '*' : ' ');
}
return $result;
}
sub pretty_power_status ($) {
return (qw(???? ---- minr majr CRIT))[$_[0]];
}
sub class_for_level_status ($) {
return (qw(weird normal minor major critical))[$_[0]];
}
sub class_for_amp_status ($) {
return 'failed' if $_[0] & 1<<4;
return 'critical' if $_[0] & 1<<3;
return 'major' if $_[0] & 1<<2;
return 'minor' if $_[0] & 1<<1;
return 'normal' if $_[0] & 1<<0;
return 'normal';
}
sub print_html_header () {
my $expires = time + 300;
my $expire_string = http_date_string ($expires);
my ($c_bg, $c_normal, $c_minor, $c_major, $c_critical, $c_failed)
= $inverse_video
? qw(#000000 #ffffff #ff8080 #ff4040 #ff0000 #ff8000)
: qw(#ffffff #000000 #804040 #ff4040 #ff0000 #ff8000);
print HTML <<EOM;
<html><head>
<title>SWITCHlambda Amplifier Status</title>
<meta http-equiv="Refresh" content="300">
<meta http-equiv="Expires" content="$expire_string">
<style type="text/css">
.normal {color: $c_normal}
.minor {color: $c_minor}
.major {color: $c_major}
.critical {color: $c_critical; font-weight: bold}
.failed {color: $c_failed; font-weight: bold; font-style: italic}
</style>
</head><body bgcolor="$c_bg" text="$c_normal">\n<h1>SWITCHlambda Amplifier Status</h1>
EOM
}
sub print_html_trailer () {
print HTML <<EOM;
<h3> Color Legend </h3>
<p><span class="normal">normal</span>
- <span class="minor">minor</span>
- <span class="major">major</span>
- <span class="critical">critical</span>
- <span class="failed">failed</span></p>
</body></html>
EOM
}
sub http_date_string ($) {
my ($time) = @_;
my @gmtime = gmtime $time;
my ($wday) = (qw(Sun Mon Tue Wed Thu Fri Sat))[$gmtime[6]];
my ($month) = (qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec))[$gmtime[4]];
my ($mday, $year, $hour, $min, $sec) = @gmtime[3,5,2,1,0];
return sprintf ("%s, %02d %s %04d %02d:%02d:%02d GMT",
$wday, $mday, $month, $year+1900, $hour, $min, $sec);
}
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