mirror of
https://github.com/munin-monitoring/contrib.git
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267 lines
7.4 KiB
Perl
Executable File
267 lines
7.4 KiB
Perl
Executable File
#!/usr/bin/perl -w
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#
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# Copyright (C) 2004 Jimmy Olsen
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; version 2 dated June,
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# 1991.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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#
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# $Log$
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# Revision 1.10 2004/11/16 20:08:26 jimmyo
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# License cleanups.
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#
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# Revision 1.9 2004/09/08 15:25:33 ilmari
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# Use /usr/bin/perl in all perl shebang lines.
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#
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# Revision 1.8 2004/09/07 13:19:22 ilmari
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# SNMP plugins now honour the "host" environment variable if they can't deduce the hostname from zsh.
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#
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# Revision 1.7 2004/09/07 12:58:41 ilmari
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# SNMP plugin "df" properly strips the label and serial number fromWindows drive labels.
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#
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# Revision 1.6 2004/09/05 12:00:18 jimmyo
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# Set family and capabilities.
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#
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# Revision 1.5 2004/09/04 21:58:28 jimmyo
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# Set category and info fields.
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#
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# Revision 1.4 2004/09/04 21:33:12 jimmyo
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# Handle strange characters better.
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#
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# Revision 1.3 2004/09/04 21:08:16 jimmyo
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# SNMP df plugin now talks Windowese.
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#
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# Revision 1.2 2004/09/03 22:56:51 jimmyo
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# Added support for SNMP probing.
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#
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# Revision 1.1 2004/04/29 22:29:57 jimmyo
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# New SNMP plugin for disk usage.
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#
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# Revision 1.3 2004/02/22 20:17:58 jimmyo
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# Typo fix
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#
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# Revision 1.2 2004/02/18 21:54:56 jimmyo
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# Did a bit of work on the snmp-thingie.
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#
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# Revision 1.1 2004/01/02 18:50:00 jimmyo
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# Renamed occurrances of lrrd -> munin
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#
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# Revision 1.1.1.1 2004/01/02 15:18:07 jimmyo
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# Import of LRRD CVS tree after renaming to Munin
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#
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# Revision 1.1 2003/12/19 20:53:45 jimmyo
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# Created by jo
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#
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#%# family=snmpauto
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#%# capabilities=snmpconf
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use strict;
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use Net::SNMP;
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my $DEBUG = 0;
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my $MAXLABEL = 20;
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my $host = $ENV{host} || undef;
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my $port = $ENV{port} || 161;
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my $community = $ENV{community} || "public";
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my $iface = $ENV{interface} || undef;
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my $response;
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if (defined $ARGV[0] and $ARGV[0] eq "snmpconf")
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{
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print "index 1.3.6.1.2.1.25.2.3.1.1.\n";
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print "index 1.3.6.1.2.1.25.5.1.1.2.\n";
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print "require 1.3.6.1.2.1.25.5.1.1.2. [1-9]\n";
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print "require 1.3.6.1.2.1.25.2.2.0\n"; # memsize
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print "require 1.3.6.1.2.1.25.2.3.1.2. 1.3.6.1.2.1.25.2.1.(2|3)\n"; # Type=fixed disk
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print "require 1.3.6.1.2.1.25.2.3.1.5. [1-9]\n"; # Size > 0
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exit 0;
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}
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if ($0 =~ /^(?:|.*\/)snmp_([^_]+)_memory_win$/)
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{
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$host = $1;
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if ($host =~ /^([^:]+):(\d+)$/)
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{
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$host = $1;
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$port = $2;
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}
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}
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elsif (!defined($host))
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{
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print "# Debug: $0 -- $1\n" if $DEBUG;
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die "# Error: couldn't understand what I'm supposed to monitor.";
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}
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# Disk level
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my $hrDeviceType = "1.3.6.1.2.1.25.3.2.1.2."; # Should be iso.3.6.1.2.1.25.3.1.6 (DiskStorage)
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my $hrDiskStorageRemoveble = "1.3.6.1.2.1.25.3.6.1.3."; # Should be false (2).
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# Windows reports 0.
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my $hrDiskStorageCapacity = "1.3.6.1.2.1.25.3.6.1.4."; # Should be more than 0
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# Partition level
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my $hrPartitionFSIndex = "1.3.6.1.2.1.25.3.7.1.5."; # Should be more than 0
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my $hrFSMountPoint = "1.3.6.1.2.1.25.3.8.1.2."; # Used to look up filesystem
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# Filesystem level
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my $hrStorageType = "1.3.6.1.2.1.25.2.3.1.2."; # Backup for hrFS*
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my $hrStorageDesc = "1.3.6.1.2.1.25.2.3.1.3."; # Used as key from partitions
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my $hrStorageSize = "1.3.6.1.2.1.25.2.3.1.5."; # Data point 1
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my $hrStorageUnit = "1.3.6.1.2.1.25.2.3.1.4."; # Data point 3
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my $hrStorageUsed = "1.3.6.1.2.1.25.2.3.1.6."; # Data point 2
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# Memory
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my $hrSWRunPerfMem = "1.3.6.1.2.1.25.5.1.1.2.";
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my ($session, $error) = Net::SNMP->session(
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-hostname => $host,
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-community => $community,
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-port => $port
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);
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if (!defined ($session))
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{
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die "Croaking: $error";
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}
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my %partitions;
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my $stor_id;
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$stor_id = get_by_regex ($session, $hrStorageType, "1.3.6.1.2.1.25.2.1.(3|2)");
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%partitions = ();
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foreach my $id (keys %$stor_id)
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{
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my $part = get_single ($session, $hrStorageDesc . $id);
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$partitions{$part}{storage} = $id;
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$partitions{$part}{extinfo} = $part;
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$stor_id->{$id} = $part;
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}
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if (defined $ARGV[0] and $ARGV[0] eq "config")
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{
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print "host_name $host\n";
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print "graph_title Windows memory usage\n";
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print "graph_args -l 0 --base 1024\n";
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print "graph_vlabel Bytes\n";
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print "graph_category system\n";
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print "graph_info This graph shows Windows memory usage in bytes.\n";
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foreach my $part (keys %partitions)
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{
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print (&get_name_by_mp ($part), ".label $part Usage\n");
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# print (&get_name_by_mp ($part), ".warning 92\n");
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# print (&get_name_by_mp ($part), ".critical 98\n");
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print (&get_name_by_mp ($part) . "_s", ".label $part Size\n");
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print (&get_name_by_mp ($part) . "_s", ".graph no\n");
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}
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print "pused.label In use by programs\n";
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print "pused.draw AREA\n";
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exit 0;
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}
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foreach my $storage (keys %$stor_id)
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{
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$partitions{$stor_id->{$storage}}{storage} = $storage;
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$partitions{$stor_id->{$storage}}{size} = get_single ($session, $hrStorageSize . $storage);
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$partitions{$stor_id->{$storage}}{unit} = get_single ($session, $hrStorageUnit . $storage);
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$partitions{$stor_id->{$storage}}{used} = get_single ($session, $hrStorageUsed . $storage);
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}
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foreach my $part (keys %partitions)
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{
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print (&get_name_by_mp ($part), ".value ", $partitions{$part}{used}*$partitions{$part}{unit}, "\n");
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print (&get_name_by_mp ($part) . "_s", ".value ", $partitions{$part}{size}*$partitions{$part}{unit}, "\n");
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}
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my $memsize = &get_single($session, "1.3.6.1.2.1.25.2.2.0") * 1024;
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my $processes = get_by_regex($session, $hrSWRunPerfMem, "[1-9]");
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# the values
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my $memtotal = 0;
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while (my ($pid, $mem) = each(%$processes)) {
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$memtotal += $mem;
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}
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$memtotal*=1024;
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printf "pused.value $memtotal\n";
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sub get_single
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{
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my $handle = shift;
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my $oid = shift;
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print "# Getting single $oid..." if $DEBUG;
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$response = $handle->get_request ($oid);
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if (!defined $response->{$oid})
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{
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print "undef\n" if $DEBUG;
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return undef;
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}
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else
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{
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print "\"$response->{$oid}\"\n" if $DEBUG;
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return $response->{$oid};
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}
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}
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sub get_by_regex
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{
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my $handle = shift;
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my $oid = shift;
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my $regex = shift;
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my $result = {};
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my $num = 0;
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my $ret = $oid . "0";
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my $response;
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print "# Starting browse of $oid...\n" if $DEBUG;
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while (1)
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{
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if ($num == 0)
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{
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print "# Checking for $ret...\n" if $DEBUG;
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$response = $handle->get_request ($ret);
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}
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if ($num or !defined $response)
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{
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print "# Checking for sibling of $ret...\n" if $DEBUG;
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$response = $handle->get_next_request ($ret);
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}
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if (!$response)
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{
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return undef;
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}
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my @keys = keys %$response;
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$ret = $keys[0];
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print "# Analyzing $ret (compared to $oid)...\n" if $DEBUG;
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last unless ($ret =~ /^$oid/);
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$num++;
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next unless ($response->{$ret} =~ /$regex/);
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@keys = split (/\./, $ret);
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$result->{$keys[-1]} = ($1) ? $1 : $response->{$ret};
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print "# Index $num: ", $keys[-1], " (", $response->{$ret}, ")\n" if $DEBUG;
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};
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return $result;
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}
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sub get_name_by_mp
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{
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my $mp = shift;
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$mp =~ s/[^a-z0-9_]/_/gi;
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$mp =~ tr/A-Z/a-z/;
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return "p" . $mp;
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}
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