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|
#!/usr/local/bin/perl
# pmlines.pl
#
# 1998/08/04
#
# Created by Carlos.Canau@EUnet.pt with cfgmaker from Tobias Oetiker
# <oetiker@ee.ethz.ch> as skeleton
#
# returns:
# #async
# #digital
# #isdn
# #sync
# #other
#
# 1998/10/30
#
# Modified by Butch Kemper <kemper@tstar.net> to allow multiple PortMasters
# to be specified on the argument line and to output the totals.
#
# 1999/4/18
#
# Modified by Butch Kemper <kemper@tstar.net> to process PM2 systems and
# to distingish between async and isdn ports.
#
# Changed name to PM2lines.pl
#
# 1999/4/19
#
# Modified by Butch Kemper <kemper@tstar.net> to process both PM2 and PM3
# systems.
#
# Changed name to PMlines.pl
#
use SNMP_Session;
use BER;
use Socket;
use strict;
# PMip is livingston.livingstonMib.livingstonInterfaces.livingstonSerial.livingstonSerialTable.livingstonSerialEntry.livingstonSerialIpAddress
# PMty is livingston.livingstonMib.livingstonInterfaces.livingstonSerial.livingstonSerialTable.livingstonSerialEntry.livingstonSerialPhysType
# TODO
# - sum all the calls, connects, detects, renegotiates, and retrains
# from livingstonModemTable.
#
# - think about using livingstonModemStatus instead of
# livingstonSerialIpAddress to count lines in use (not portable to
# PM2) (or livingstonSerialPortStatus?)
%snmpget::OIDS = ('ifNumber' => '1.3.6.1.2.1.2.1.0',
'PMip' => '1.3.6.1.4.1.307.3.2.1.1.1.14',
'PMty' => '1.3.6.1.4.1.307.3.2.1.1.1.3',
);
my($tot_isdn, $tot_modems, $args) = (0,0,0);
my($tot_isdn, $tot_digitalmodems, $tot_asyncmodems,
$tot_sync, $tot_other, $args) = (0,0,0,0,0,0);
my($input_string, $PROGNAME, $interfaces)="";
($PROGNAME = $0) =~ s/.*\///;
diexit(0) if $#ARGV < 0;
for ($args=0; $args < $#ARGV+1; $args++) {
$input_string = $ARGV[$args];
my($community,$router) = split /\@/, $input_string;
diexit(0) unless $community && $router;
$interfaces = snmpget($router,$community,'ifNumber');
my @PMip = snmpgettable($router,$community,'PMip');
my @PMty = snmpgettable($router,$community,'PMty');
my ($i);
for ($i=0; $i < $#PMip+1; $i++) {
#
# instead of livingstonSerialIpAddress we should use livingstonSerialPortStatus
# and check for "established" (which might be applicable to terminal sessions)
#
if ($PMip[$i] ne "0.0.0.0") {
if ($PMty[$i] == 2) {
$tot_asyncmodems++;
} elsif ($PMty[$i] == 3) {
$tot_sync++;
} elsif ($PMty[$i] == 5) {
$tot_digitalmodems++;
} elsif ($PMty[$i] == 4 || $PMty[$i] == 6 || $PMty[$i] == 7) {
$tot_isdn++;
} else {
$tot_other++;
}
}
}
}
printf "$tot_asyncmodems\n";
printf "$tot_digitalmodems\n";
printf "$tot_isdn\n";
printf "$tot_sync\n";
printf "$tot_other\n";
exit(0);
sub diexit {
die ("USAGE: $PROGNAME community\@portmaster [community\@portmaster]" .
" \.\.\.\n" .
" community = snmp read community string\n" .
" portmaster = FQN of PortMaster\n");
}
sub snmpget{
my($host,$community,@vars) = @_;
my(@enoid, $var,$response, $bindings, $binding, $value, $inoid,$outoid,
$upoid,$oid,@retvals);
foreach $var (@vars) {
die "Unknown SNMP var $var\n"
unless $snmpget::OIDS{$var};
push @enoid, encode_oid((split /\./, $snmpget::OIDS{$var}));
}
srand();
my $session = SNMP_Session->open ($host ,
$community,
161);
if ($session->get_request_response(@enoid)) {
$response = $session->pdu_buffer;
($bindings) = $session->decode_get_response ($response);
$session->close ();
while ($bindings) {
($binding,$bindings) = decode_sequence ($bindings);
($oid,$value) = decode_by_template ($binding, "%O%@");
# WARNING: this makes getting values such as timeticks in raw form impossible
my $tempo = pretty_print($value);
$tempo=~s/\t/ /g;
$tempo=~s/\n/ /g;
$tempo=~s/^\s+//;
$tempo=~s/\s+$//;
push @retvals, $tempo;
}
return (@retvals);
} else {
die "No answer from $input_string. You may be using the wrong community\n";
}
}
sub snmpgettable{
my($host,$community,$var) = @_;
my($next_oid,$enoid,$orig_oid,
$response, $bindings, $binding, $value, $inoid,$outoid,
$upoid,$oid,@table,$tempo);
die "Unknown SNMP var $var\n"
unless $snmpget::OIDS{$var};
$orig_oid = encode_oid(split /\./, $snmpget::OIDS{$var});
$enoid=$orig_oid;
srand();
my $session = SNMP_Session->open ($host ,
$community,
161);
for(;;) {
if ($session->getnext_request_response(($enoid))) {
$response = $session->pdu_buffer;
($bindings) = $session->decode_get_response ($response);
($binding,$bindings) = decode_sequence ($bindings);
($next_oid,$value) = decode_by_template ($binding, "%O%@");
# quit once we are outside the table
last unless BER::encoded_oid_prefix_p($orig_oid,$next_oid);
$tempo = pretty_print($value);
#print "$var: '$tempo'\n";
$tempo=~s/\t/ /g;
$tempo=~s/\n/ /g;
$tempo=~s/^\s+//;
$tempo=~s/\s+$//;
push @table, $tempo;
} else {
die "No answer from $input_string\n";
}
$enoid=$next_oid;
}
$session->close ();
return (@table);
}
# Local Variables:
# mode: perl
# indent-tabs-mode: nil
# tab-width: 4
# perl-indent-level: 4
# End:
|
