Perl: Accessing and handling objects in an array - arrays

Question

I try to handle the following Array which was generated by get_pool_member_object_status_($pool)
from http://search.cpan.org/~ltp/BigIP-iControl/lib/BigIP/iControl.pm#get_pool_member_object_status_($pool)
$VAR1 = [
[
bless( [
bless( {
'member' => bless( {
'address' => '192.168.100.141',
'port' => '80'
}, 'Common::IPPortDefinition' ),
'object_status' => bless( {
'availability_status' => 'AVAILABILITY_STATUS_GREEN',
'status_description' => 'Pool member is available',
'enabled_status' => 'ENABLED_STATUS_ENABLED'
}, 'LocalLB::ObjectStatus' )
}, 'LocalLB::PoolMember::MemberObjectStatus' ),
bless( {
'member' => bless( {
'address' => '192.168.100.142',
'port' => '80'
}, 'Common::IPPortDefinition' ),
'object_status' => bless( {
'availability_status' => 'AVAILABILITY_STATUS_GREEN',
'status_description' => 'Pool member is available',
'enabled_status' => 'ENABLED_STATUS_ENABLED'
}, 'LocalLB::ObjectStatus' )
}, 'LocalLB::PoolMember::MemberObjectStatus' ),
bless( {
'member' => bless( {
'address' => '192.168.100.143',
'port' => '80'
}, 'Common::IPPortDefinition' ),
'object_status' => bless( {
'availability_status' => 'AVAILABILITY_STATUS_GREEN',
'status_description' => 'Pool member is available',
'enabled_status' => 'ENABLED_STATUS_ENABLED'
}, 'LocalLB::ObjectStatus' )
}, 'LocalLB::PoolMember::MemberObjectStatus' ),
bless( {
'member' => bless( {
'address' => '192.168.100.144',
'port' => '80'
}, 'Common::IPPortDefinition' ),
'object_status' => bless( {
'availability_status' => 'AVAILABILITY_STATUS_GREEN',
'status_description' => 'Pool member is available',
'enabled_status' => 'ENABLED_STATUS_ENABLED'
}, 'LocalLB::ObjectStatus' )
}, 'LocalLB::PoolMember::MemberObjectStatus' )
], 'LocalLB::PoolMember::MemberObjectStatus[]' )
]
];
I couldn't figure out how this should work. I tried several examples from perldsc. The examples there mostly concern ARRAYS OF HASHES. But the above array is...? I don't even know what kind of array this is. Can someone point me in the right direction?
So for example how do I access the "object_status"->"availability_status" of a "member"->"address"
Thx simbabque. This is the output I get from Data::Printer:
[
[0] [
[0] LocalLB::PoolMember::MemberObjectStatus[] {
public methods (0)
private methods (0)
internals: [
[0] LocalLB::PoolMember::MemberObjectStatus,
[1] LocalLB::PoolMember::MemberObjectStatus,
[2] LocalLB::PoolMember::MemberObjectStatus,
[3] LocalLB::PoolMember::MemberObjectStatus
]
}
]
]

Answer 1

So you are trying to access the 'availability_status' and 'address'
I didn't traverse this whole object but with this code I am able to print the required fields.
#!/usr/bin/perl -w
use strict;
use warnings;
use Data::Dumper;
my $obj = [
[
bless( [
bless( {
'member' => bless( {
'address' => '192.168.100.141',
'port' => '80'
}, 'Common::IPPortDefinition' ),
'object_status' => bless( {
'availability_status' => 'AVAILABILITY_STATUS_GREEN',
'status_description' => 'Pool member is available',
'enabled_status' => 'ENABLED_STATUS_ENABLED'
}, 'LocalLB::ObjectStatus' )
}, 'LocalLB::PoolMember::MemberObjectStatus' ),
bless( {
'member' => bless( {
'address' => '192.168.100.142',
'port' => '80'
}, 'Common::IPPortDefinition' ),
'object_status' => bless( {
'availability_status' => 'AVAILABILITY_STATUS_GREEN',
'status_description' => 'Pool member is available',
'enabled_status' => 'ENABLED_STATUS_ENABLED'
}, 'LocalLB::ObjectStatus' )
}, 'LocalLB::PoolMember::MemberObjectStatus' ),
bless( {
'member' => bless( {
'address' => '192.168.100.143',
'port' => '80'
}, 'Common::IPPortDefinition' ),
'object_status' => bless( {
'availability_status' => 'AVAILABILITY_STATUS_GREEN',
'status_description' => 'Pool member is available',
'enabled_status' => 'ENABLED_STATUS_ENABLED'
}, 'LocalLB::ObjectStatus' )
}, 'LocalLB::PoolMember::MemberObjectStatus' ),
bless( {
'member' => bless( {
'address' => '192.168.100.144',
'port' => '80'
}, 'Common::IPPortDefinition' ),
'object_status' => bless( {
'availability_status' => 'AVAILABILITY_STATUS_GREEN',
'status_description' => 'Pool member is available',
'enabled_status' => 'ENABLED_STATUS_ENABLED'
}, 'LocalLB::ObjectStatus' )
}, 'LocalLB::PoolMember::MemberObjectStatus' )
], 'LocalLB::PoolMember::MemberObjectStatus[]' )
]
];
print Dumper($obj->[0]->[0]->[0]->{member}->{address});
print Dumper($obj->[0]->[0]->[0]->{object_status}->{availability_status});
print Dumper($obj->[0]->[0]->[1]->{member}->{address});
print Dumper($obj->[0]->[0]->[1]->{object_status}->{availability_status});
print Dumper($obj->[0]->[0]->[2]->{member}->{address});
print Dumper($obj->[0]->[0]->[2]->{object_status}->{availability_status});
print Dumper($obj->[0]->[0]->[3]->{member}->{address});
print Dumper($obj->[0]->[0]->[3]->{object_status}->{availability_status});
Output:
$VAR1 = '192.168.100.141';
$VAR1 = 'AVAILABILITY_STATUS_GREEN';
$VAR1 = '192.168.100.142';
$VAR1 = 'AVAILABILITY_STATUS_GREEN';
$VAR1 = '192.168.100.143';
$VAR1 = 'AVAILABILITY_STATUS_GREEN';
$VAR1 = '192.168.100.144';
$VAR1 = 'AVAILABILITY_STATUS_GREEN';
Hope this helps and now you should be able to traverse this data structure with loops.