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lib/App/Netdisco/Web/Plugin/Device/SNMP.pm  view on Meta::CPAN

    my $object = schema(vars->{'tenant'})->resultset('SNMPObject')
      ->find({'me.oid' => $oid},
               {join => ['snmp_filter'], prefetch => ['snmp_filter']})
      or send_error('Bad OID', 404);

    my $munge = (param('munge') ||
                 ($object->snmp_filter ? $object->snmp_filter->subname : undef));

    # this is a bit lazy, could be a join on above with some effort
    my $value = schema(vars->{'tenant'})->resultset('DeviceBrowser')
      ->search({-and => [-bool => \q{ array_length(oid_parts, 1) IS NOT NULL },
                         -bool => \q{ jsonb_typeof(value) = 'array' }]})
      ->find({'me.oid' => $oid, 'me.ip' => $device});

    my %data = (
      $object->get_columns,
      snmp_object => { $object->get_columns },
      value => ( defined $value ? decode_and_munge( $munge, $value->value ) : undef ),
    );

    my @mungers = schema(vars->{'tenant'})->resultset('SNMPFilter')
                                          ->search({},{ distinct => 1, order_by => 'subname' })
                                          ->get_column('subname')->all;

    template 'ajax/device/snmpnode.tt',
        { node => \%data, munge => $munge, mungers => \@mungers },
        { layout => 'noop' };
};

sub _get_snmp_data {
    my ($ip, $base, $recurse) = @_;
    my @parts = grep {length} split m/\./, $base;

    my %meta = map { ('.'. join '.', @{$_->{oid_parts}}) => $_ }
               schema(vars->{'tenant'})->resultset('Virtual::FilteredSNMPObject')
                                 ->search({}, { bind => [
                                     $ip,
                                     (scalar @parts + 1),
                                     (scalar @parts + 1),
                                     $base,
                                 ] })->hri->all;

    my @items = map {{
        id => $_,
        mib  => $meta{$_}->{mib},  # accessed via node.original.mib
        leaf => $meta{$_}->{leaf}, # accessed via node.original.leaf
        text => ($meta{$_}->{leaf} .' ('. $meta{$_}->{oid_parts}->[-1] .')'),
        has_value => $meta{$_}->{browser},

        ($meta{$_}->{browser} ? (icon => 'icon-folder-close text-info')
                              : (icon => 'icon-folder-close-alt muted')),

        (scalar @{$meta{$_}->{index}}
          ? (icon => 'icon-th'.($meta{$_}->{browser} ? ' text-info' : ' muted')) : ()),

        (($meta{$_}->{num_children} == 0 and ($meta{$_}->{type}
                                              or $meta{$_}->{access} =~ m/^(?:read|write)/
                                              or $meta{$_}->{oid_parts}->[-1] == 0))
          ? (icon => 'icon-leaf'.($meta{$_}->{browser} ? ' text-info' : ' muted')) : ()),

        # jstree will async call to expand these, and while it's possible
        # for us to prefetch by calling _get_snmp_data() and passing to
        # children, it's much slower UX. async is better for search especially
        children => ($meta{$_}->{num_children} ? \1 : \0),
  
        # and set the display to open to show the single child
        # but only if there is data below
        state => { opened => (($meta{$_}->{browser} and $meta{$_}->{num_children} == 1) ? \1 : \0 ) },

      }} sort {$meta{$a}->{oid_parts}->[-1] <=> $meta{$b}->{oid_parts}->[-1]} keys %meta;

    return \@items;
}

true;