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#!/usr/local/bin/perl
# -*- mode: Perl -*-
##################################################################
# Config file creator
##################################################################
# Created by Tobias Oetiker <oetiker@ee.ethz.ch>
# this produces a config file for one router, by bulling info
# off the router via snmp
#################################################################
#
# Distributed under the GNU copyleft
#
# $Id: snmpspeed.pl,v 1.3 2001-11-14 13:24:32 leinen Exp $
#
use SNMP_Session "0.54";
$SNMP_Session::default_timeout = 0.2;
$SNMP_Session::default_backoff = 1.5;
use BER "0.51";
%snmpget::OIDS = ( 'sysDescr' => '1.3.6.1.2.1.1.1.0',
'sysContact' => '1.3.6.1.2.1.1.4.0',
'sysName' => '1.3.6.1.2.1.1.5.0',
'sysLocation' => '1.3.6.1.2.1.1.6.0',
'sysUptime' => '1.3.6.1.2.1.1.3.0',
'ifNumber' => '1.3.6.1.2.1.2.1.0',
###################################
# add the ifNumber ....
# add the ifNumber ....
'ifDescr' => '1.3.6.1.2.1.2.2.1.2',
'ifType' => '1.3.6.1.2.1.2.2.1.3',
'ifIndex' => '1.3.6.1.2.1.2.2.1.1',
'ifInErrors' => '1.3.6.1.2.1.2.2.1.14',
'ifOutErrors' => '1.3.6.1.2.1.2.2.1.20',
'ifInOctets' => '1.3.6.1.2.1.2.2.1.10',
'ifOutOctets' => '1.3.6.1.2.1.2.2.1.16',
'ifInDiscards' => '1.3.6.1.2.1.2.2.1.13',
'ifOutDiscards' => '1.3.6.1.2.1.2.2.1.19',
'ifInUcastPkts' => '1.3.6.1.2.1.2.2.1.11',
'ifOutUcastPkts' => '1.3.6.1.2.1.2.2.1.17',
'ifInNUcastPkts' => '1.3.6.1.2.1.2.2.1.12',
'ifOutNUcastPkts' => '1.3.6.1.2.1.2.2.1.18',
'ifInUnknownProtos' => '1.3.6.1.2.1.2.2.1.15',
'ifOutQLen' => '1.3.6.1.2.1.2.2.1.21',
'ifSpeed' => '1.3.6.1.2.1.2.2.1.5',
'ifDescr' => '1.3.6.1.2.1.2.2.1.2',
'ifType' => '1.3.6.1.2.1.2.2.1.3',
'ifIndex' => '1.3.6.1.2.1.2.2.1.1',
'ifSpeed' => '1.3.6.1.2.1.2.2.1.5',
'ifOperStatus' => '1.3.6.1.2.1.2.2.1.8',
'ifAdminStatus' => '1.3.6.1.2.1.2.2.1.7',
# up 1, down 2, testing 3
'ipAdEntAddr' => '1.3.6.1.2.1.4.20.1.1',
'ipAdEntIfIndex' => '1.3.6.1.2.1.4.20.1.2',
'sysObjectID' => '1.3.6.1.2.1.1.2.0',
'CiscolocIfDescr' => '1.3.6.1.4.1.9.2.2.1.1.28',
'CiscoportIndex' => '1.3.6.1.4.1.9.5.1.4.1.1.2',
'CiscoportName' => '1.3.6.1.4.1.9.5.1.4.1.1.4',
'CiscoportIfIndex' => '1.3.6.1.4.1.9.5.1.4.1.1.11',
'CiscoswPortName' => '1.3.6.1.4.1.437.1.1.3.3.1.1.3',
);
sub main {
my $session = SNMP_Session->open ('ezci1.ethz.ch', 'public', 161)
|| die "open SNMP session: $SNMP_Session::errmsg";
$|=1;
for (my $i=0;$ i < 100; $i++){
print "$i, ";# if $i % 10 ==0;
my($ifinoct) = snmpget($session,'ifInOctets.1');
$ifinoct = snmpget($session,'ifInOctets.2');
}
$session->close ()
|| die "close SNMP session: $SNMP_Session::errmsg";
}
main;
exit(0);
sub snmpget {
my($session,@vars) = @_;
my(@enoid, $var,$response, $bindings, $binding, $value, $inoid,$outoid,
$upoid,$oid,@retvals);
foreach $var (@vars) {
if ($var =~ /^([a-z]+)/i) {
my $oid = $snmpget::OIDS{$1};
if ($oid) {
$var =~ s/$1/$oid/;
} else {
die "Unknown SNMP var $var\n"
}
}
print "SNMPGET OID: $var\n" if $main::DEBUG >5;
push @enoid, encode_oid((split /\./, $var));
}
srand();
if ($session->get_request_response(@enoid)) {
$response = $session->pdu_buffer;
($bindings) = $session->decode_get_response ($response);
while ($bindings) {
($binding,$bindings) = decode_sequence ($bindings);
($oid,$value) = decode_by_template ($binding, "%O%@");
my $tempo = pretty_print($value);
$tempo=~s/\t/ /g;
$tempo=~s/\n/ /g;
$tempo=~s/^\s+//;
$tempo=~s/\s+$//;
push @retvals, $tempo;
}
return (@retvals);
} else {
return (-1,-1);
}
}
sub snmpgettable{
my($host,$community,$var) = @_;
my($next_oid,$enoid,$orig_oid,
$response, $bindings, $binding, $value, $inoid,$outoid,
$upoid,$oid,@table,$tempo,$tempoO);
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 $ARGV[0]\n";
}
$enoid=$next_oid;
}
$session->close ();
return (@table);
}
sub snmpgettable2{
my($host,$community,$var) = @_;
my($next_oid,$enoid,$orig_oid,
$response, $bindings, $binding, $value, $inoid,$outoid,
$upoid,$oid,@table,$tempo,$tempoO);
die "Unknown SNMP var $var\n"
unless $snmpget::OIDS{$var};
$orig_oid = encode_oid(split /\./, $snmpget::OIDS{$var});
$enoid=$orig_oid;
$tempoO = pretty_print($orig_oid);
$tempoO=~s/\t/ /g;
$tempoO=~s/\n/ /g;
$tempoO=~s/^\s+//;
$tempoO=~s/\s+$//;
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);
$tempo = pretty_print($next_oid);
$tempo=~s/\t/ /g;
$tempo=~s/\n/ /g;
$tempo=~s/^\s+//;
$tempo=~s/\s+$//;
$tempo=substr($tempo,length($tempoO)+1);
#print "$var: '$tempo'\n";
push @table, $tempo;
} else {
die "No answer from $ARGV[0]\n";
}
$enoid=$next_oid;
}
$session->close ();
return (@table);
}
sub fmi {
my($number) = $_[0];
my(@short);
@short = ("Bytes/s","kBytes/s","MBytes/s","GBytes/s");
my $digits=length("".$number);
my $divm=0;
while ($digits-$divm*3 > 4) { $divm++; }
my $divnum = $number/10**($divm*3);
return sprintf("%1.1f %s",$divnum,$short[$divm]);
}
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