#!@@PERL@@ @@PERLOPTS@@
# datapage-interfaces - make datapage templates for all hosts
#	which have a snmp interface rrd (snmpif-*)
# CVS $Id: datapage-interfaces.pl,v 1.11 2003/05/20 19:28:05 remstats Exp $
# from remstats @@VERSION@@

# Copyright 1999 - 2003 (c) Thomas Erskine <@@AUTHOR@@>
# See the COPYRIGHT file with the distribution.

# - - -   Configuration   - - -

use strict;

# What is this program called, for messages and files
$main::prog = 'datapage-interfaces';
# Where is the default config dir/
$main::config_dir = '@@CONFIGDIR@@';

# - - -   Version History   - - -

$main::version = (split(' ', '$Revision: 1.11 $'))[1];

# - - -   Setup   - - -

use lib '.', '@@LIBDIR@@', '@@RRDLIBDIR@@';
require "remstats.pl";
require "snmpstuff.pl";
use Getopt::Std;

my %opt = ();
getopts('d:f:h', \%opt);

if (defined $opt{'h'}) { &usage; } # no return
if (defined $opt{'d'}) { $main::debug = $opt{'d'}; } else { $main::debug = 0; }
if (defined $opt{'f'}) { $main::config_dir = $opt{'f'}; }

# - - -   Mainline   - - -

&read_config_dir($main::config_dir, 'general', 'html', 'oids', 'times',
	'rrds', 'groups', 'host-templates', 'hosts');

my ($host, $ip, $dir, $realrrd, $now, $file, $top, $wildrrd, 
	$fixedif, $if, $wildpart, $middle);

$now = localtime();
foreach $host (keys %{$main::config{HOST}}) {
	$ip = &get_ip($host);
	next unless (defined $ip);
	&debug("checking $host") if ($main::debug);

	$file = $main::config{DATAPAGEDIR} .'/'. $host .'_interfaces.page';
	open (PAGE, ">$file.new") or 
			(&error("can't open $file.new: $!") and next);
	$top = <<"EOD_HOST1";
# created by $main::prog version $main::version on $now

oid software $host sysDescr
oid uptime $host sysUptime
status status $host STATUS.html

EOD_HOST1

	$middle = <<"EOD_HOST2";

BEGIN-PAGE
Refresh: 300
Content-type: text/html

<DATAPAGE::HEADER $host Interfaces>
<p>
<table border=1>
<tr>
	<td valign=top>host status</td>
	<td valign=top><DATAPAGE::VAR status></td>
</tr>
<tr>
	<td valign=top>Uptime</td>
	<td valign=top><b><DATAPAGE::VAR uptime></b></tr>
</tr>
<tr>
	<td valign=top>Software</td>
	<td valign=top><b><DATAPAGE::VAR software></b></td>
</tr>
</table>
</p>

<h2>Interfaces</h2>

<table border=1>
<tr>
	<th valign=center rowspan=2>Interface</th>
	<th valign=center rowspan=2>Status</th>
	<th valign=center rowspan=2>Speed</th>
	<th valign=center rowspan=2>Type</th>
	<th valign=top colspan=3>Input</th>
	<th valign=top colspan=3>Output</th>
	<th valign=center rowspan=2>Comment</th>
</tr>
<tr>
	<th valign=top>bps</th>
	<th valign=top>ucast pps</th>
	<th valign=top>non-ucast pps</th>
	<th valign=top>bps</th>
	<th valign=top>non-ucast pps</th>
	<th valign=top>non-ucast pps</th>
</tr>
EOD_HOST2

	foreach $realrrd (@{$main::config{HOST}{$host}{RRDS}}) {
		($wildrrd, $wildpart) = &get_rrd($realrrd);
		next unless (defined $wildrrd);
		next unless ($wildrrd eq 'snmpif-*');
		&debug("  rrd $realrrd") if ($main::debug);
		$fixedif = &to_filename(&to_ifname($wildpart));
		$if = $wildpart;

		$top .= <<"EOD_HOST3";
status ifx-$fixedif $host IFINDEX-$fixedif
status ifstatus_$fixedif $host STATUS-snmpif-$fixedif

oid iftype_$fixedif $host ifType.\${ifx-$fixedif}
oid ifspeed_$fixedif $host ifSpeed.\${ifx-$fixedif}

eval iftype_$fixedif &snmpiftype(\${iftype_$fixedif})
eval ifspeed_$fixedif &siunits(\${ifspeed_$fixedif})

oid ifalias_$fixedif $host ifAlias.\${ifx-$fixedif}
oid ciscoifcomment_$fixedif $host CiscoComment.\${ifx-$fixedif}

eval ifalias_$fixedif ('\${ifalias_$fixedif}' eq 'NOVALUE') ? '' : '\${ifalias_$fixedif}'
eval ciscoifcomment_$fixedif ('\${ciscoifcomment_$fixedif}' eq 'NOVALUE') ? '' : '\${ciscoifcomment_$fixedif}'
eval ifalias_$fixedif ('\${ifalias_$fixedif}' eq '') ? '\${ciscoifcomment_$fixedif}' : '\${ifalias_$fixedif}'

rrd $fixedif-ibps $host snmpif-$fixedif inbytes AVERAGE
rrd $fixedif-iupps $host snmpif-$fixedif inucastpkts AVERAGE
rrd $fixedif-inpps $host snmpif-$fixedif innucastpkts AVERAGE
rrd $fixedif-obps $host snmpif-$fixedif outbytes AVERAGE
rrd $fixedif-oupps $host snmpif-$fixedif outucastpkts AVERAGE
rrd $fixedif-onpps $host snmpif-$fixedif outnucastpkts AVERAGE

eval $fixedif-ibps &siunits(\${$fixedif-ibps})
eval $fixedif-iupps &siunits(\${$fixedif-iupps})
#eval $fixedif-inpps &siunits(\${$fixedif-inpps})
eval $fixedif-inpps ('\${$fixedif-inpps}' =~ /^RRDNODATA/) ? '' : &siunits(\${$fixedif-inpps})
eval $fixedif-obps &siunits(\${$fixedif-obps})
eval $fixedif-oupps &siunits(\${$fixedif-oupps})
#eval $fixedif-onpps &siunits(\${$fixedif-onpps})
eval $fixedif-onpps ('\${$fixedif-onpps}' =~ /^RRDNODATA/) ? '' : &siunits(\${$fixedif-onpps})


EOD_HOST3
		$middle .= <<"EOD_HOST4";
<tr>
	<td valign=top>$if</td>
	<td valign=top><DATAPAGE::VAR ifstatus_$fixedif></td>
	<td valign=top><DATAPAGE::VAR ifspeed_$fixedif></td>
	<td valign=top><DATAPAGE::VAR iftype_$fixedif></td>
	<td valign=top align=right><DATAPAGE::VAR $fixedif-ibps></td>
	<td valign=top align=right><DATAPAGE::VAR $fixedif-iupps></td>
	<td valign=top align=right><DATAPAGE::VAR $fixedif-inpps></td>
	<td valign=top align=right><DATAPAGE::VAR $fixedif-obps></td>
	<td valign=top align=right><DATAPAGE::VAR $fixedif-oupps></td>
	<td valign=top align=right><DATAPAGE::VAR $fixedif-onpps></td>
	<td valign=top><DATAPAGE::VAR ifalias_$fixedif></td>
</tr>
EOD_HOST4
	}

	print PAGE $top . $middle . "</table>\n" .
		"<DATAPAGE::FOOTER>\n";
	close(PAGE);
	rename "$file.new", $file, or
		(&error("can't rename $file.new to $file: $!") and next);
}

#------------------------------------------------------ debug ---
sub debug {
	print STDERR 'DEBUG: ', @_, "\n";
}

#------------------------------------------------------ error ---
sub error {
	print STDERR 'ERROR: ', @_, "\n";
}

#------------------------------------------------------ abort ---
sub abort {
	print STDERR 'ABORT: ', @_, "\n";
	exit 6;
}

#------------------------------------------------------- usage ---
sub usage {
	print STDERR <<"EOD_USAGE";
$main::prog version $main::version from remstats @@VERSION@@
usage: $main::prog [options]
where options are:
	-d ddd  enable debugging output at level 'ddd'
	-f fff  use config-file 'fff' [$main::config_dir]
	-h      show this help
EOD_USAGE
	exit 0;
}
