Two new utilities added in t/util to assist in developing device support from snmpwalk output
This commit is contained in:
Eric A. Miller
207
t/util/make_snmpdata.pl
Executable file
207
t/util/make_snmpdata.pl
Executable file
@@ -0,0 +1,207 @@
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#!/usr/bin/perl
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#
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# make_snmpdata.pl
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#
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# Copyright (c) 2012 Eric Miller
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the University of California, Santa Cruz nor the
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# names of its contributors may be used to endorse or promote products
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# derived from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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use strict;
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use warnings;
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use Carp;
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use Getopt::Long;
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use Pod::Usage;
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use SNMP;
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local $| = 1;
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my $mibdirs = ['/usr/local/share/snmp/mibs'];
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my $comm = 'public';
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my $ver = '2c';
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my $dev;
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my $ignore = 0;
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my $help = 0;
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GetOptions(
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'community=s' => \$comm,
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'device=s' => \$dev,
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'ignore' => \$ignore,
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'mibdir=s' => \$mibdirs,
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'version' => \$ver,
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'help|?' => sub { pod2usage(2); },
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) or pod2usage(2);
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unless ( defined $dev && $ver =~ /[1|2c]/ ) {
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pod2usage(1);
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}
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local $ENV{'SNMPCONFPATH'} = '' if $ignore;
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local $ENV{'MIBDIRS'} = "$mibdirs" if $ignore;
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SNMP::addMibDirs($mibdirs);
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# Connect to Device
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my $sess = SNMP::Session->new(
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'UseEnums' => 1,
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'RetryNoSuch' => 1,
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'DestHost' => $dev,
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'Community' => $comm,
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'Version' => $ver,
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'UseSprintValue' => 1
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);
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my $sysdescr = $sess->get('sysDescr.0');
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unless ( defined $sysdescr ) {
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die "Couldn't connect to $dev via snmp.\n";
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}
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SNMP::loadModules(@ARGV);
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# Create a hash of MIB Modules for which we want results
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my %mib_hash = map {$_ => 1} @ARGV;
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# Add the common MIB Modules we always want
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my @common_mibs = ('SNMPv2-MIB', 'IF-MIB');
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foreach my $mib (@common_mibs) {
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$mib_hash{$mib} = 1;
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}
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foreach my $key ( sort( keys %SNMP::MIB ) ) {
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my $module = $SNMP::MIB{$key}{moduleID} || '';
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# IMPORTS pulls in many modules we don't want to walk
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# Only walk those we've specified
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next unless (defined $mib_hash{$module});
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my $access = $SNMP::MIB{$key}{'access'} || '';
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next unless ( $access =~ /Read|Create/x );
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my $label = SNMP::translateObj( $key, 0, 1 ) || '';
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snmpwalk($label);
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}
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sub snmpwalk {
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return unless defined $sess;
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my $label = shift;
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my $var = SNMP::Varbind->new( [$label] );
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my $e = 0;
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my $last_iid = '';
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my %seen = ();
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while ( !$e ) {
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$sess->getnext($var);
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$e = $sess->{ErrorNum};
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return if $var->[0] ne $label;
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my $iid = $var->[1];
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my $val = $var->[2];
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return unless defined $iid;
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# Check to see if we've already seen this IID (looping)
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if ( defined $seen{$iid} and $seen{$iid} ) {
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warn "Looping on $label iid:$iid. Skipped.\n";
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return;
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}
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else { $seen{$iid}++; }
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# why is it looping?
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return if $last_iid eq $iid;
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$last_iid = $iid;
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my $line = "$label.$iid = $val";
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print "$line\n";
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}
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return;
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}
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__END__
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=head1 NAME
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make_snmpdata.pl - Tool to get SNMP data for the SNMP::Info testing framework
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=head1 AUTHOR
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Eric Miller
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=head1 SYNOPSIS
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make_snmpdata.pl [options] MIB-MODULE-1 MIB-MODULE-2
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Options:
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-community SNMP Community
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-device IP Address to query
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-ignore Ignore Net-SNMP configuration file
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-mibdir Directory containing MIB Files
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-version SNMP version to use
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-help Brief help message
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=head1 OPTIONS
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=over 8
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=item B<-community>
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SNMP Community, either 1 or 2c. Defaults to version 2c
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-community 2c
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=item B<-device>
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IP Address to query for the SNMP data. No default and a mandatory option.
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-device 127.0.0.1
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=item B<-ignore >
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Ignore Net-SNMP configuration file snmp.conf. If this used mibdirs must be
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provided
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-ignore
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=item B<-mibdir>
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Directory containing MIB Files. Mutiple directories should be separated by a
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colon ':'. Defaults to /usr/local/share/snmp/mibs.
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-mibdir /usr/local/share/snmp/mibs/rfc:/usr/local/share/snmp/mibs/net-snmp
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=item B<-version>
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SNMP version to use. Only version 1 and 2c are supported. Defaults to 2c
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-version 2c
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=item B<-help>
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Print help message and exits.
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=back
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=head1 DESCRIPTION
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B<make_snmpdata.pl> will gather SNMP data by walking specified MIB files and
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output the data to a file which can be used by the SNMP::Info testing
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framework.
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=cut
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453
t/util/test_class_mocked.pl
Executable file
453
t/util/test_class_mocked.pl
Executable file
@@ -0,0 +1,453 @@
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#!/usr/bin/perl
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#
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# test_class_mocked.pl
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#
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# Copyright (c) 2012 Eric Miller
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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||||
#
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||||
# * Redistributions of source code must retain the above copyright notice,
|
||||
# this list of conditions and the following disclaimer.
|
||||
# * Redistributions in binary form must reproduce the above copyright
|
||||
# notice, this list of conditions and the following disclaimer in the
|
||||
# documentation and/or other materials provided with the distribution.
|
||||
# * Neither the name of the University of California, Santa Cruz nor the
|
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# names of its contributors may be used to endorse or promote products
|
||||
# derived from this software without specific prior written permission.
|
||||
#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
||||
# LIABLE FOR # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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||||
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use strict;
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use warnings;
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use Carp;
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use FindBin;
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use lib "$FindBin::Bin/../../..";
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use File::Slurp qw(slurp);
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use Getopt::Long;
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use Pod::Usage;
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use SNMP::Info;
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use Test::MockObject::Extends;
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my $EMPTY = q{};
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# Default Values
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my $class = $EMPTY;
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my @dump = ();
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my $debug = 0;
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my $mibdirs;
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my $ignore = 0;
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my $help = 0;
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my $file;
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my %dumped;
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GetOptions(
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'c|class=s' => \$class,
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'i|ignore' => \$ignore,
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'p|print=s' => \@dump,
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'x|debug+' => \$debug,
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'm|mibdir=s' => \$mibdirs,
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'file=s' => \$file,
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'h|?|help' => sub { pod2usage(1); },
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);
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if ( !$file ) {
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pod2usage(1);
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}
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if ( $ignore && !defined $mibdirs ) {
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print "mibdirs must be provided if ignoring snmp.conf \n\n";
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pod2usage(1);
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}
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if ($ignore) { local $ENV{'SNMPCONFPATH'} = $EMPTY }
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if ($ignore) { local $ENV{'MIBDIRS'} = "$mibdirs" }
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if ( defined $mibdirs ) {
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SNMP::addMibDirs($mibdirs);
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}
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$class = $class ? "SNMP::Info::$class" : 'SNMP::Info';
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( my $mod = "$class.pm" )
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=~ s{::}{/}g; # SNMP::Info::Layer3 => SNMP/Info/Layer3.pm
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if ( !eval { require $mod; 1; } ) {
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croak "Could not load $class. Error Message: $@\n";
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}
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my $class_ver = $class->VERSION();
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print
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"Class $class ($class_ver) loaded from SNMP::Info $SNMP::Info::VERSION.\n";
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if ( scalar @dump ) { print 'Dumping : ', join( q{,}, @dump ), "\n" }
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my $mocked = create_mock_session();
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my $dev = $class->new(
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'AutoSpecify' => 0,
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'BulkWalk' => 0,
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'Debug' => $debug,
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'MibDirs' => $mibdirs,
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'Session' => $mocked,
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) or die "\n";
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print 'Detected Class: ', $dev->device_type(), "\n";
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print "Using Class: $class (-c to change)\n";
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my $layers = $dev->layers();
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my $descr = $dev->description();
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if ( !defined $layers || !defined $descr ) {
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die "Are you sure you specified a file created with make_snmpdata.pl ?\n";
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}
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print "\nFetching base info...\n\n";
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my @base_fns = qw/vendor model os os_ver description contact location
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layers mac serial/;
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foreach my $fn (@base_fns) {
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test_global( $dev, $fn );
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}
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print "\nFetching interface info...\n\n";
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my @fns = qw/interfaces i_type i_ignore i_description i_mtu i_speed i_mac i_up
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i_up_admin i_name i_duplex i_duplex_admin i_stp_state
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i_vlan i_pvid i_lastchange/;
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foreach my $fn (@fns) {
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test_fn( $dev, $fn );
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}
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print "\nFetching VLAN info...\n\n";
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my @vlan = qw/v_index v_name/;
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foreach my $fn (@vlan) {
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test_fn( $dev, $fn );
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}
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print "\nFetching topology info...\n\n";
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my @topo = qw/c_if c_ip c_port/;
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foreach my $fn (@topo) {
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test_fn( $dev, $fn );
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}
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print "\nFetching module info...\n\n";
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my @modules = qw/e_descr e_type e_parent e_name e_class e_pos e_hwver
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e_fwver e_swver e_model e_serial e_fru/;
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foreach my $fn (@modules) {
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test_fn( $dev, $fn );
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}
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foreach my $fn (@dump) {
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if ( !$dumped{$fn} ) { test_fn( $dev, $fn ) }
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}
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#--------------------------------
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sub load_snmpdata {
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my $data_file = shift;
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my @lines = slurp($data_file);
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my $snmp_data = {};
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foreach my $line (@lines) {
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next if !$line;
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next if ( $line =~ /^#/ );
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if ( $line =~ /^(\S+::\w+)[.]?(\S+)*\s=\s(.*)$/ ) {
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my ( $leaf, $iid, $val ) = ( $1, $2, $3 );
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next if !$leaf;
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$iid ||= 0;
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$val =~ s/\"//g;
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$snmp_data->{$leaf}->{$iid} = $val;
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}
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}
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return $snmp_data;
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}
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sub create_mock_session {
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my $snmp_data = load_snmpdata($file);
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my $session = SNMP::Session->new(
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UseEnums => 1,
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RetryNoSuch => 1,
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Data => $snmp_data,
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DestHost => '127.0.0.1',
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Community => 'public',
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Version => 2,
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);
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my $mock_session = Test::MockObject::Extends->new($session);
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mock_get($mock_session);
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mock_getnext($mock_session);
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return $mock_session;
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}
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|
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sub mock_get {
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my $mock_session = shift;
|
||||
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$mock_session->mock(
|
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'get',
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sub {
|
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my $self = shift;
|
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my $vars = shift;
|
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my ( $leaf, $iid, $oid, $oid_name );
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my $c_data = $self->{Data};
|
||||
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||||
# From SNMP::Info get will only be passed either an OID or
|
||||
# SNMP::Varbind with a fully qualified leaf and potentially
|
||||
# a partial
|
||||
if ( ref($vars) =~ /SNMP::Varbind/ ) {
|
||||
( $leaf, $iid ) = @{$vars};
|
||||
}
|
||||
else {
|
||||
$oid = $vars;
|
||||
$oid_name = SNMP::translateObj( $oid, 0, 1 ) || $EMPTY;
|
||||
( $leaf, $iid ) = $oid_name =~ /^(\S+::\w+)[.]?(\S+)*$/;
|
||||
}
|
||||
|
||||
$iid ||= 0;
|
||||
my $new_iid = $iid;
|
||||
my $val = $EMPTY;
|
||||
my $data = $c_data->{$leaf} || {};
|
||||
my $count = scalar keys %{$data} || 0;
|
||||
if ( $count > 1 ) {
|
||||
my $found = 0;
|
||||
foreach my $d_iid ( sort keys %{$data} ) {
|
||||
if ( $d_iid eq $iid ) {
|
||||
$val = $data->{$d_iid};
|
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$found = 1;
|
||||
next;
|
||||
}
|
||||
elsif ( $found == 1 ) {
|
||||
$new_iid = $d_iid;
|
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last;
|
||||
}
|
||||
}
|
||||
if ( $found && ( $new_iid eq $iid ) ) {
|
||||
$leaf = 'unknown';
|
||||
}
|
||||
}
|
||||
else {
|
||||
$val = $data->{$iid};
|
||||
$leaf = 'unknown';
|
||||
}
|
||||
|
||||
if ( ref $vars =~ /SNMP::Varbind/ ) {
|
||||
$vars->[0] = $leaf;
|
||||
$vars->[1] = $new_iid;
|
||||
$vars->[2] = $val;
|
||||
}
|
||||
return ( wantarray() ? $vars : $val );
|
||||
}
|
||||
);
|
||||
return;
|
||||
}
|
||||
|
||||
sub mock_getnext {
|
||||
my $mock_session = shift;
|
||||
|
||||
$mock_session->mock(
|
||||
'getnext',
|
||||
sub {
|
||||
my $self = shift;
|
||||
my $vars = shift;
|
||||
my ( $leaf, $iid, $oid, $oid_name );
|
||||
my $c_data = $self->{Data};
|
||||
|
||||
# From SNMP::Info getnext will only be passed a SNMP::Varbind
|
||||
# with a fully qualified leaf and potentially a partial
|
||||
( $leaf, $iid ) = @{$vars};
|
||||
|
||||
$iid ||= 0;
|
||||
my $new_iid = $iid;
|
||||
my $val = $EMPTY;
|
||||
my $data = $c_data->{$leaf};
|
||||
my $count = scalar keys %{$data} || 0;
|
||||
if ( $count > 1 ) {
|
||||
my $found = 0;
|
||||
foreach my $d_iid ( sort keys %{$data} ) {
|
||||
if ( $d_iid gt $iid && !$found ) {
|
||||
$val = $data->{$d_iid};
|
||||
$new_iid = $d_iid;
|
||||
$found = 1;
|
||||
next;
|
||||
}
|
||||
elsif ( $found == 1 ) {
|
||||
last;
|
||||
}
|
||||
}
|
||||
if ( $found && ( $new_iid eq $iid ) ) {
|
||||
$leaf = 'unknown';
|
||||
}
|
||||
}
|
||||
else {
|
||||
$val = $data->{$iid};
|
||||
$leaf = 'unknown';
|
||||
}
|
||||
|
||||
$vars->[0] = $leaf;
|
||||
$vars->[1] = $new_iid;
|
||||
$vars->[2] = $val;
|
||||
return ( wantarray() ? $vars : $val );
|
||||
}
|
||||
);
|
||||
return;
|
||||
}
|
||||
|
||||
sub test_global {
|
||||
my $device = shift;
|
||||
my $method = shift;
|
||||
|
||||
my $value = $device->$method();
|
||||
|
||||
if ( !defined $value ) {
|
||||
printf "%-20s Does not exist.\n", $method;
|
||||
return 0;
|
||||
}
|
||||
$value =~ s/[[:cntrl:]]+/ /g;
|
||||
if ( length $value > 60 ) {
|
||||
$value = substr $value, 0, 60;
|
||||
$value .= '...';
|
||||
}
|
||||
printf "%-20s %s \n", $method, $value;
|
||||
return 1;
|
||||
}
|
||||
|
||||
sub test_fn {
|
||||
my $device = shift;
|
||||
my $method = shift;
|
||||
|
||||
my $results = $device->$method();
|
||||
|
||||
# If accidentally called on a global, pass it along nicely.
|
||||
if ( defined $results && !ref $results ) {
|
||||
return test_global( $dev, $method );
|
||||
}
|
||||
if ( !defined $results && !scalar keys %{$results} ) {
|
||||
printf "%-20s Empty Results.\n", $method;
|
||||
return 0;
|
||||
}
|
||||
|
||||
printf "%-20s %d rows.\n", $method, scalar keys %{$results};
|
||||
if ( grep {/^$method$/} @dump ) {
|
||||
$dumped{$method} = 1;
|
||||
foreach my $iid ( keys %{$results} ) {
|
||||
print " $iid : ";
|
||||
if ( ref( $results->{$iid} ) eq 'ARRAY' ) {
|
||||
print '[ ', join( ', ', @{ $results->{$iid} } ), ' ]';
|
||||
}
|
||||
else {
|
||||
print $results->{$iid};
|
||||
}
|
||||
print "\n";
|
||||
}
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
__END__
|
||||
|
||||
=head1 NAME
|
||||
|
||||
test_class_mocked.pl - Test a device against an SNMP::Info class using
|
||||
output from make_snmpdata.pl stored in a text file.
|
||||
|
||||
=head1 AUTHOR
|
||||
|
||||
Eric Miller
|
||||
|
||||
=head1 SYNOPSIS
|
||||
|
||||
test_class_mocked.pl [options]
|
||||
|
||||
Options:
|
||||
|
||||
-class SNMP::Info class to use, Layer2::Catalyst
|
||||
-file File containing data gathered using make_snmpdata.pl
|
||||
-print Print values
|
||||
-debug Debugging flag
|
||||
-ignore Ignore Net-SNMP configuration file
|
||||
-mibdir Directory containing MIB Files
|
||||
-help Brief help message
|
||||
|
||||
=head1 OPTIONS
|
||||
|
||||
=over 8
|
||||
|
||||
=item B<-class>
|
||||
|
||||
Specific SNMP::Info class to use. Defaults to SNMP::Info if no specific
|
||||
class provided.
|
||||
|
||||
-class Layer2::Catalyst
|
||||
|
||||
=item B<-file>
|
||||
|
||||
File containing data gathered using make_snmpdata.pl. No default and a
|
||||
mandatory option.
|
||||
|
||||
-file /data/mydevice.txt
|
||||
|
||||
=item B<-print>
|
||||
|
||||
Print values of a class method rather than summarizing. May be repeated
|
||||
multiple times.
|
||||
|
||||
-print i_description -print i_type
|
||||
|
||||
=item B<-debug>
|
||||
|
||||
Turns on SNMP::Info debug.
|
||||
|
||||
-debug
|
||||
|
||||
=item B<-ignore >
|
||||
|
||||
Ignore Net-SNMP configuration file snmp.conf. If this used mibdirs must be
|
||||
provided.
|
||||
|
||||
-ignore
|
||||
|
||||
=item B<-mibdir>
|
||||
|
||||
Directory containing MIB Files. Multiple directories should be separated by a
|
||||
colon ':'.
|
||||
|
||||
-mibdir /usr/local/share/snmp/mibs/rfc:/usr/local/share/snmp/mibs/net-snmp
|
||||
|
||||
=item B<-help>
|
||||
|
||||
Print help message and exits.
|
||||
|
||||
=back
|
||||
|
||||
=head1 DESCRIPTION
|
||||
|
||||
B<test_class_mocked.pl> will test a device against an SNMP::Info class using
|
||||
snmpwalk output from the utility B<make_snmpdata.pl> stored in a text file.
|
||||
This allows debugging and testing without requiring network access to the
|
||||
device being tested.
|
||||
|
||||
=cut
|
||||
Reference in New Issue
Block a user