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# $Id: Admin.pm,v 1.8 2007-12-13 17:09:03 mike Exp $ |
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# This is the only module that needs to be explicitly "use"d by the |
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# HTML::Mason components that make up the sites. It is responsible, |
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# among other things, for "use"ing all the relevant sub-modules. |
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package Keystone::Resolver::Admin; |
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use strict; |
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use warnings; |
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use Keystone::Resolver; |
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# PRIVATE to admin(), which implements a singleton |
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my $_admin = undef; |
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# Returns an object -- always the same one -- representing the |
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# Keystone Resolver Admin complex-of-web-site as a whole, and through |
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# which global functionality and objects (such as the database handle) |
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# can be accessed. |
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# |
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sub admin { |
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my $class = shift(); |
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if (!defined $_admin) { |
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$_admin = bless { |
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resolver => undef, |
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sites => {}, |
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}, $class; |
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} |
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return $_admin; |
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} |
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sub resolver { |
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my $this = shift(); |
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if (!defined $this->{resolver}) { |
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### This should be a setting |
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my $loglevel = ( |
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# Keystone::Resolver::LogLevel::CHITCHAT | |
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Keystone::Resolver::LogLevel::CACHECHECK | |
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Keystone::Resolver::LogLevel::PARSEXSLT | |
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Keystone::Resolver::LogLevel::DUMPDESCRIPTORS | |
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Keystone::Resolver::LogLevel::DUMPREFERENT | |
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Keystone::Resolver::LogLevel::SHOWGENRE | |
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# Keystone::Resolver::LogLevel::DBLOOKUP | |
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Keystone::Resolver::LogLevel::MKRESULT | |
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# Keystone::Resolver::LogLevel::SQL | |
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Keystone::Resolver::LogLevel::DEREFERENCE | |
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Keystone::Resolver::LogLevel::DISSECT | |
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Keystone::Resolver::LogLevel::RESOLVEID | |
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Keystone::Resolver::LogLevel::CONVERT01 | |
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Keystone::Resolver::LogLevel::HANDLE | |
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Keystone::Resolver::LogLevel::WARNING | |
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0); |
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$this->{resolver} = new Keystone::Resolver(logprefix => "admin", |
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_rw => 1, |
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loglevel => $loglevel); |
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} |
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return $this->{resolver}; |
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} |
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# Delegations to the associated resolver |
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sub db { shift()->resolver()->db(@_) } |
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# This method contains the algorithm for determining, based on the |
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# hostname by which the web server is accessed, which if any of the |
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# available sites should be used. |
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# |
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sub hostname2tag { |
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my $this = shift(); |
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my($hostname) = @_; |
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$hostname =~ s/^x\.//; # Development versions begin with "x." |
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$hostname =~ s/:\d+$//; # Discard any trailing port-number |
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my $tag; |
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if ($hostname eq "resolver.indexdata.com") { |
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$tag = "id"; |
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} |
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else { |
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$tag = $hostname; |
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$tag =~ s/\..*//; |
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} |
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return $tag; |
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} |
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# Returns the site object associated in the admin-object with the |
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# specified tag, creating it if necessary. |
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# |
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sub site { |
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my $this = shift(); |
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my($tag) = @_; |
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if (!defined $this->{sites}->{$tag}) { |
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$this->{sites}->{$tag} = $this->db()->site_by_tag($tag); |
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} |
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return $this->{sites}->{$tag}; |
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} |
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1; |