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package File::Slurp::Remote::CanonicalHostnames - a hostname canonicalizer example
use File::Slurp::Remote::CanonicalHostnames; my $canonicalizer = File::Slurp::Remote:CanonicalHostnames->new(); my $my_hostname = $canonicalizer->myname; my $canonical_hostname = $canonicalizer->canonicalize($hostname);
Some people use real hostnames with forward and reverse DNS set up correctly. Other people do not. Sometimes there is more than one name for a host. Because of these variations, Proc::JobQueue cannot depend on any one way to figure out if two hostnames are actually the same host.
This package, File::Slurp::Remote::CanonicalHostnames provides an example and interface specification for how Proc::JobQueue will ask these questions. Proc::JobQueue will use this package by default, but you can override this behavior when you create Proc::JobQueue objects and use a different package that provides the same interface.
File::Slurp::Remote::CannonicalHostnames uses File::Slurp::Remote::BrokenDNS to do its work.
There following methods are required:
new, takes no arguments.
This must return the local hostname. This must already be in canonical form.
This returns the canonical form of a hostname. If there is more than one way to refer to the same host, all the different ways should return the same canonical form.
Copyright (C) 2011 Google, Inc. This package may be used and redistributed under the terms of either the Artistic 2.0 or LGPL 2.1 license.