File Coverage

blib/lib/Cisco/SNMP/Memory.pm

Criterion	Covered	Total	%
statement	16	45	35.5
branch	0	10	0.0
condition	0	3	0.0
subroutine	6	9	66.6
pod	2	2	100.0
total	24	69	34.7

package Cisco::SNMP::Memory;

##################################################
# AUTHOR = Michael Vincent
# www.VinsWorld.com
##################################################

use strict;
use warnings;

use Net::SNMP qw(:asn1);
use Cisco::SNMP;

our $VERSION = $Cisco::SNMP::VERSION;

our @ISA = qw(Cisco::SNMP);

##################################################
# Start Public Module
##################################################

sub _memOID {
    return '1.3.6.1.4.1.9.9.48.1.1.1';
}

sub memOIDs {
    return qw(Name Alternate Valid Used Free LargestFree Total);
}

sub memory_info {
    my $self = shift;
    my $class = ref($self) || $self;

    my $session = $self->{_SESSION_};

    my %ret;
    my @MEMKEYS = memOIDs();

    # -1 because last key (Total) isn't an OID; rather, calculated from 2 other OIDs
    for my $oid ( 0 .. $#MEMKEYS - 1 ) {
        $ret{$MEMKEYS[$oid]} = Cisco::SNMP::_snmpwalk( $session,
            _memOID() . '.' . ( $oid + 2 ) );
        if ( not defined $ret{$MEMKEYS[$oid]} ) {
            $Cisco::SNMP::LASTERROR
              = "Cannot get memory `$MEMKEYS[$oid]' info";
            return undef;
        }
    }

    my @MemInfo;
    for my $mem ( 0 .. $#{$ret{$MEMKEYS[0]}} ) {
        my %MemInfoHash;
        for ( 0 .. $#MEMKEYS ) {
            if ( $_ == 2 ) {
                $MemInfoHash{$MEMKEYS[$_]}
                  = ( $ret{$MEMKEYS[$_]}->[$mem] == 1 ) ? 'TRUE' : 'FALSE';
            } elsif ( $_ == 6 ) {
                $MemInfoHash{$MEMKEYS[$_]}
                  = $ret{$MEMKEYS[3]}->[$mem] + $ret{$MEMKEYS[4]}->[$mem];
            } else {
                $MemInfoHash{$MEMKEYS[$_]} = $ret{$MEMKEYS[$_]}->[$mem];
            }
        }
        push @MemInfo, \%MemInfoHash;
    }
    return bless \@MemInfo, $class;
}

for ( memOIDs() ) {
    Cisco::SNMP::_mk_accessors_array_1( 'mem', $_ );
}

no strict 'refs';

# get_ direct
my @OIDS = memOIDs();

# -1 because last key (Total) isn't an OID; rather, calculated from 2 other OIDs
for my $o ( 0 .. $#OIDS - 1 ) {
    *{"get_mem" . $OIDS[$o]} = sub {
        my $self = shift;
        my ($val) = @_;

        if ( not defined $val ) { $val = 0 }
        my $s = $self->session;
        my $r = $s->get_request(
            varbindlist => [_memOID() . '.' . ( $o + 2 ) . '.' . $val] );
        return $r->{_memOID() . '.' . ( $o + 2 ) . '.' . $val};
      }
}

##################################################
# End Public Module
##################################################

1;

__END__