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package probes::basevars;
=head1 NAME
probes::basevars - Another Base Class for implementing SmokePing Probes
=head1 OVERVIEW
Like probes::base, but supports host-specific variables for the probe.
=head1 SYNOPSIS
*** Targets ***
menu = Top
title = Top Page
+ branch_1
menu = First menu
title = First title
host = host1
++ PROBE_CONF
# vars for host host1
var1 = foo
var2 = bar
++ branch_1_2
menu = Second menu
title = Second title
host = host2
+++ PROBE_CONF
# vars for host host2
# var1 and var2 are propagated from above, override var2
var2 = fii
+ branch_2
# var1 and var2 are undefined here
=head1 DESCRIPTION
Provides the method `targets' that returns a list of hashes.
The hashes contain the entries:
=over
=item addr
The address of the target.
=item vars
A hash containing variables defined in the corresponding
`PROBE_CONF' config section.
=item tree
The unique index that `probe::base' uses for targets.
There's also the method 'vars' that returns the abovementioned
hash corresponding to the 'tree' index parameter.
=back
=head1 AUTHOR
Niko Tyni E<lt>ntyni@iki.fiE<gt>
=head1 BUGS
Uses `probes::base' internals too much to be a derived class, but
I didn't want to touch the base class directly.
=head1 SEE ALSO
probes::base(3pm), probes::EchoPing(3pm)
=cut
use strict;
use probes::base;
use base qw(probes::base);
sub add($$)
{
my $self = shift;
my $tree = shift;
$self->{targets}{$tree} = shift;
$self->{PROBE_CONF}{$tree} = $tree->{PROBE_CONF};
}
sub targets {
my $self = shift;
my $addr = $self->addresses;
my @targets;
# copy the addrlookup lists to safely pop
my %copy;
for (@$addr) {
@{$copy{$_}} = @{$self->{addrlookup}{$_}} unless exists $copy{$_};
my $tree = pop @{$copy{$_}};
push @targets, { addr => $_, vars => $self->{PROBE_CONF}{$tree},
tree => $tree };
}
return \@targets;
}
sub vars {
my $self = shift;
my $tree = shift;
return $self->{PROBE_CONF}{$tree};
}
sub ProbeDesc {
return "Probe that supports variables and doesn't override the ProbeDesc method";
}
return 1;
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