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package Slackware::Slackget; |
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use warnings; |
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use strict; |
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require Slackware::Slackget::Base ; |
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require Slackware::Slackget::Network::Auth ; |
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require Slackware::Slackget::Config ; |
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require Slackware::Slackget::PkgTools ; |
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=head1 NAME |
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Slackware::Slackget - The main slack-get 1.0 library |
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=head1 VERSION |
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Version 0.15_99 |
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=cut |
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our $VERSION = '0.15_99'; |
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=head1 SYNOPSIS |
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slack-get (http://slackget.infinityperl.org and now http://www.infinityperl.org/category/slack-get) is an apt-get like tool for Slackware Linux. This bundle is the core library of this program. |
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The name Slackware::Slackget means slack-get 1.0 because this module is complely new and is for the 1.0 release. It is entierely object oriented, and require some other modules (like XML::Simple, Net::Ftp and LWP::Simple). |
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This module is still pre-in alpha development phase and I release it on CPAN only for coder which want to see the new architecture. For more informations, have a look on subclasses. |
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use Slackware::Slackget; |
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my $sgo = Slackware::Slackget->new( |
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-config => '/etc/slack-get/config.xml', |
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-name => 'slack-getd', |
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-version => '1.0.1228' |
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); |
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=cut |
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=head1 CONSTRUCTOR |
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The constructor (new()), is used to instanciate all needed class for a slack-get instance. |
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=head2 new |
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You have to pass the followings arguments to the constructor : |
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-config => the name of the configuration file. |
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-name => ignored : for backward compatibility |
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-version => ignored : for backward compatibility |
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-name and -version arguments are passed to the constructor of the Slackware::Slackget::Log object. |
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=cut |
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sub new { |
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my $class = 'Slackware::Slackget' ; |
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my $self = {} ; |
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if(scalar(@_)%2 != 0) |
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{ |
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$class = shift(@_) ; |
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} |
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my %args = @_ ; |
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die "FATAL: You must pass a configuration file as -config parameter.\n" if(!defined($args{'-config'}) || ! -e $args{'-config'}) ; |
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$self->{'config'} = new Slackware::Slackget::Config ( $args{'-config'} ) or die "FATAL: error during configuration file parsing\n$!\n" ; |
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$self->{'base'} = new Slackware::Slackget::Base ( $self->{'config'} ); |
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$self->{'pkgtools'} = new Slackware::Slackget::PkgTools ( $self->{'config'} ); |
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$self->{'auth'} = Slackware::Slackget::Network::Auth->new( $self->{'config'} ); |
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bless($self,$class) ; |
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return $self; |
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} |
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=head1 FUNCTIONS |
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=head2 load_plugins |
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Search for all plugins in the followings directories : <all @INC directories>/lib/Slackware/Slackget/Plugin/, <INSTALLDIR>/lib/Slackware/Slackget/Plugin/, <HOME DIRECTORY>/lib/Slackware/Slackget/Plugin/. |
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When you call this method, she scan in thoses directory and try to load all files ending by .pm. The loading is in 4 times : |
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1) scan for plug-in |
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2) try to "require" all the finded modules. |
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3) Try to instanciate all modules successfully "require"-ed. To do that, this method call the new() method of the plug-in and passed the current Slackware::Slackget object reference. The internal code is like that : |
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# Slackware::Slackget::Plugin::MyPlugin is the name of the plug-in |
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# $self is the reference to the current Slackware::Slackget object. |
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my $plugin = Slackware::Slackget::Plugin::MyPlugin->new( $self ) ; |
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The plug-in can internally store this reference, and by the way acces to the instance of this objects : Slackware::Slackget, Slackware::Slackget::Base, Slackware::Slackget::Config, Slackware::Slackget::Network::Auth and Slackware::Slackget::PkgTools. |
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IN ALL CASE, PLUG-INS ARE NOT ALLOWED TO MODIFY THE Slackware::Slackget OBJECT ! |
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For performance consideration we don't want to clone all accesible objects, so all plug-in developper will have to respect this rule : you never modify object accessible from this object ! At the very least if you have a good idea send me an e-mail to discuss it. |
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4) dispatch plug-ins' instance by supported HOOK. |
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Parameters : |
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1) An ARRAY reference on supported Hooks. |
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2) the type of plug-in you want to load. |
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Ex: |
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$sgo->load_plugins( ['HOOK_COMMAND_LINE_OPTIONS','HOOK_COMMAND_LINE_HELP','HOOK_START_DAEMON','HOOK_RESTART_DAEMON','HOOK_STOP_DAEMON'], 'daemon'); |
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=cut |
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sub load_plugins { |
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my $self = shift; |
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my $HOOKS = shift; |
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my $plugin_type = shift; # TODO: impl�enter la s��tion des types de plug-in |
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my $extra_ref = shift; |
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# print "[SG10] needed type : $plugin_type\n"; |
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#NOTE : searching for install plug-in |
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$self->log()->Log(2,"searching for plug-in\n") ; |
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my %tmp_pg; |
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foreach my $dir (@INC) |
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{ |
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if( -e "$dir/Slackware/Slackget/Plugin" && -d "$dir/Slackware/Slackget/Plugin") |
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{ |
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foreach my $name (`ls -1 $dir/Slackware/Slackget/Plugin/*.pm`) |
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{ |
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chomp $name ; |
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$name =~ s/.+\/([^\/]+)\.pm$/$1/; |
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$self->log()->Log(2,"found plug-in: $name\n") ; |
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print "[SG10] found plug-in: $name in $dir/Slackware/Slackget/Plugin/\n" ; |
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# push @plugins_name, $name; |
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$tmp_pg{$name} = 1; |
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} |
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} |
136
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} |
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#NOTE : loading plug-in |
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$self->log()->Log(2,"loading plug-in\n") ; |
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my @loaded_plugins; |
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# foreach my $plg (@plugins_name) |
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foreach my $plg (keys(%tmp_pg)) |
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{ |
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my $ret = eval qq{require Slackware::Slackget::Plugin::$plg} ; |
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unless($ret) |
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{ |
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if($@) |
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147
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{ |
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warn "Fatal Error while parsing plugin $plg : $@\n"; |
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$self->log()->Log(1,"Fatal Error while parsing plugin $plg (this is a programming error) : $@\n") ; |
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} |
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elsif($!) |
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{ |
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warn "Fatal Error while loading plugin $plg : $!\n"; |
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$self->log()->Log(1,"Fatal Error while parsing plugin $plg : $!\n") ; |
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} |
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} |
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else |
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{ |
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my $package = "Slackware::Slackget::Plugin::$plg"; |
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# print "[SG10] \$package:$package\n"; |
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my $type = '$'.$package.'::PLUGIN_TYPE'; |
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# print "[SG10] \$type:$type\n"; |
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my $pg_type = eval qq{ $type }; |
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if(defined($pg_type) && ($pg_type eq $plugin_type or $pg_type eq 'ALL')) |
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165
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{ |
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print "[SG10] loaded success for plug-in $plg\n" ; |
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$self->log()->Log(3,"loaded success for plug-in $plg\n") ; |
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push @loaded_plugins, $plg; |
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$self->{'plugin'}->{'types'}->{$ret} = $pg_type ; |
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} |
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} |
172
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} |
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#NOTE : creating new instances |
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$self->log()->Log(2,"creating new plug-in instance\n") ; |
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my @plugins; |
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foreach my $plugin (@loaded_plugins) |
177
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{ |
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my $package = "Slackware::Slackget::Plugin::$plugin"; |
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my $ret; |
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if($plugin_type=~ /gui/i) |
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{ |
182
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# TODO: tester le code de chargement d'un plug-in graphique, la ligne suivante n'a pas encore ��test� |
183
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print "[DEBUG Slackware::Slackget.pm::load_plugins()] loading package \"$package\" call is \"use $package; $package( $extra_ref ) ;\" }\"\n"; |
184
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$ret = eval "use $package; $package( $extra_ref ) ;" ; |
185
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} |
186
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else |
187
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{ |
188
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$ret = eval{ $package->new($self) ; } ; |
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189
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} |
190
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191
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if($@ or !$ret) |
192
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{ |
193
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$self->{'plugin'}->{'types'}->{$ret} = undef; |
194
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delete $self->{'plugin'}->{'types'}->{$ret} ; |
195
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warn "Fatal Error while creating new instance of plugin $package: $@\n"; |
196
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$self->log()->Log(1,"Fatal Error while creating new instance of plugin $package: $@\n") ; |
197
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} |
198
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else |
199
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{ |
200
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201
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# print "[SG10] $plugin instanciates\n" ; |
202
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$self->log()->Log(3,"$plugin instanciates\n") ; |
203
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# if($plugin_type=~ /gui/i) |
204
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# { |
205
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# $ret->show(); |
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# } |
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print "[DEBUG Slackware::Slackget.pm::load_plugins()] print pushing reference \"$ret\" on the plugin stack\n"; |
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push @plugins, $ret; |
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} |
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} |
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0
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%tmp_pg = (); |
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@loaded_plugins = (); |
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$self->register_plugins(\@plugins,$HOOKS); |
214
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} |
215
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=head2 register_plugins |
217
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218
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Register all plug-ins by supported calls. |
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Take a plug-in array reference and a hooks array reference in arguments. |
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$sgo->register_plugins(\@plugins, \@HOOKS) ; |
223
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224
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Please read the code of the load_plugins() method to see how to set the object internal state. |
225
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226
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=cut |
227
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228
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sub register_plugins |
229
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{ |
230
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1
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my ($self,$plugins,$HOOKS) = @_ ; |
231
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$self->{'plugin'}->{'raw_table'} = $plugins ; |
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$self->{'plugin'}->{'sorted'} = {} ; |
233
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# NOTE: dispatching plug-ins by hooks. |
234
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0
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$self->log()->Log(2,"dispatching plug-in by supported HOOKS\n") ; |
235
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foreach my $hook (@{ $HOOKS }) |
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236
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{ |
237
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my $hk = lc($hook) ; |
238
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# print "[DEBUG Slackware::Slackget.pm::register_plugins()] examining if plug-in support hook $hk\n"; |
239
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$self->{'plugin'}->{'sorted'}->{$hook} = [] ; |
240
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foreach my $plugin (@{ $plugins }) |
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241
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{ |
242
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if($self->{'plugin'}->{'types'}->{$plugin}=~ /gui/i) |
243
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{ |
244
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245
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eval{ $plugin->$hk('test') ;}; |
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246
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0
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0
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if($@) |
247
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{ |
248
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print "[SG10] plug-in $plugin do not support hook $hook\n" ; |
249
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# warn "$@\n"; |
250
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} |
251
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else |
252
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{ |
253
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0
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print "[SG10] registered plug-in $plugin for hook $hook\n" ; |
254
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0
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$self->log()->Log(3,"registered plug-in $plugin for hook $hook\n") ; |
255
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0
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push @{ $self->{'plugin'}->{'sorted'}->{$hook} },$plugin ; |
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0
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256
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} |
257
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} |
258
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else |
259
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{ |
260
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0
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0
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if($plugin->can($hk)) |
261
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{ |
262
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0
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|
print "[SG10] registered plug-in $plugin for hook $hook\n" ; |
263
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0
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|
$self->log()->Log(3,"registered plug-in $plugin for hook $hook\n") ; |
264
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0
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|
push @{ $self->{'plugin'}->{'sorted'}->{$hook} },$plugin ; |
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0
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265
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} |
266
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} |
267
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} |
268
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} |
269
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} |
270
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271
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|
=head2 call_plugins |
272
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273
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|
Main method for calling back differents plug-in. This method is quite easy to use : just call it with a hook name in parameter. |
274
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275
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|
call_plugins() will iterate on all plug-ins wich implements the given HOOK. |
276
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277
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|
|
$sgo->call_plugins( 'HOOK_START_DAEMON' ) ; |
278
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279
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|
Additionaly you can pass all arguments you need to pass to the callback which take care of the HOOK. All extra arguments are passed to the callback. |
280
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281
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|
Since all plug-ins have access to many objects which allow them to perform all needed operations (like logging etc), they have to care about output and user information. |
282
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283
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|
So all call will be eval-ed and juste a little log message will be done on error. |
284
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285
|
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|
|
=cut |
286
|
|
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|
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|
|
287
|
|
|
|
|
|
|
sub call_plugins |
288
|
|
|
|
|
|
|
{ |
289
|
0
|
|
|
0
|
1
|
|
my $self = shift; |
290
|
0
|
|
|
|
|
|
my $HOOK = shift ; |
291
|
0
|
|
|
|
|
|
my @returned; |
292
|
0
|
|
|
|
|
|
foreach my $pg ( @{ $self->{'plugin'}->{'sorted'}->{$HOOK} }) |
|
0
|
|
|
|
|
|
|
293
|
|
|
|
|
|
|
{ |
294
|
0
|
|
|
|
|
|
my $callback = lc($HOOK); |
295
|
0
|
|
|
|
|
|
push @returned, eval{ $pg->$callback(@_) ;} ; |
|
0
|
|
|
|
|
|
|
296
|
0
|
0
|
|
|
|
|
if($@) |
297
|
|
|
|
|
|
|
{ |
298
|
0
|
|
|
|
|
|
$self->{'log'}->Log(1,"An error occured while attempting to call plug-in ".ref($pg)." for hook $HOOK. The error occured in method $callback. The evaluation return the following error : $@\n"); |
299
|
|
|
|
|
|
|
} |
300
|
|
|
|
|
|
|
} |
301
|
0
|
|
|
|
|
|
return @returned ; |
302
|
|
|
|
|
|
|
} |
303
|
|
|
|
|
|
|
|
304
|
|
|
|
|
|
|
=head1 ACCESSORS |
305
|
|
|
|
|
|
|
|
306
|
|
|
|
|
|
|
=head2 base |
307
|
|
|
|
|
|
|
|
308
|
|
|
|
|
|
|
Return the Slackware::Slackget::Base object of the current instance of the Slackware::Slackget object. |
309
|
|
|
|
|
|
|
|
310
|
|
|
|
|
|
|
$sgo->base()->compil_package_directory('/var/log/packages/'); |
311
|
|
|
|
|
|
|
|
312
|
|
|
|
|
|
|
=cut |
313
|
|
|
|
|
|
|
|
314
|
|
|
|
|
|
|
sub base |
315
|
|
|
|
|
|
|
{ |
316
|
0
|
|
|
0
|
1
|
|
my $self = shift; |
317
|
0
|
|
|
|
|
|
return $self->{'base'} ; |
318
|
|
|
|
|
|
|
} |
319
|
|
|
|
|
|
|
|
320
|
|
|
|
|
|
|
=head2 pkgtools |
321
|
|
|
|
|
|
|
|
322
|
|
|
|
|
|
|
Return the Slackware::Slackget::PkgTools object of the current instance of the Slackware::Slackget object. |
323
|
|
|
|
|
|
|
|
324
|
|
|
|
|
|
|
$sgo->pkgtools()->install( $package_list ) ; |
325
|
|
|
|
|
|
|
|
326
|
|
|
|
|
|
|
=cut |
327
|
|
|
|
|
|
|
|
328
|
|
|
|
|
|
|
sub pkgtools |
329
|
|
|
|
|
|
|
{ |
330
|
0
|
|
|
0
|
1
|
|
my $self = shift; |
331
|
0
|
|
|
|
|
|
return $self->{'pkgtools'} ; |
332
|
|
|
|
|
|
|
} |
333
|
|
|
|
|
|
|
|
334
|
|
|
|
|
|
|
=head2 config |
335
|
|
|
|
|
|
|
|
336
|
|
|
|
|
|
|
Return the Slackware::Slackget::Config object of the current instance of the Slackware::Slackget object. |
337
|
|
|
|
|
|
|
|
338
|
|
|
|
|
|
|
print $sgo->config()->{common}->{'file-encoding'} ; |
339
|
|
|
|
|
|
|
|
340
|
|
|
|
|
|
|
=cut |
341
|
|
|
|
|
|
|
|
342
|
|
|
|
|
|
|
sub config |
343
|
|
|
|
|
|
|
{ |
344
|
0
|
|
|
0
|
1
|
|
my $self = shift; |
345
|
0
|
|
|
|
|
|
my $cfg_name = shift; |
346
|
0
|
0
|
|
|
|
|
if($cfg_name) |
347
|
|
|
|
|
|
|
{ |
348
|
0
|
0
|
0
|
|
|
|
return undef if(!defined($cfg_name) || ! -e $cfg_name) ; |
349
|
0
|
0
|
|
|
|
|
$self->{'config'} = new Slackware::Slackget::Config ( $cfg_name ) or die "FATAL: error during configuration file parsing\n$!\n" ; |
350
|
0
|
|
|
|
|
|
return 1; |
351
|
|
|
|
|
|
|
} |
352
|
|
|
|
|
|
|
else |
353
|
|
|
|
|
|
|
{ |
354
|
0
|
|
|
|
|
|
return $self->{'config'} ; |
355
|
|
|
|
|
|
|
} |
356
|
|
|
|
|
|
|
} |
357
|
|
|
|
|
|
|
|
358
|
|
|
|
|
|
|
=head2 auth |
359
|
|
|
|
|
|
|
|
360
|
|
|
|
|
|
|
Return the Slackware::Slackget::Network::Auth object of the current instance of the Slackware::Slackget object. |
361
|
|
|
|
|
|
|
|
362
|
|
|
|
|
|
|
$sgo->auth()->can_connect($client) or die "Client not allowed to connect here\n"; |
363
|
|
|
|
|
|
|
|
364
|
|
|
|
|
|
|
=cut |
365
|
|
|
|
|
|
|
|
366
|
|
|
|
|
|
|
sub auth |
367
|
|
|
|
|
|
|
{ |
368
|
0
|
|
|
0
|
1
|
|
my $self = shift; |
369
|
0
|
|
|
|
|
|
return $self->{'auth'} ; |
370
|
|
|
|
|
|
|
} |
371
|
|
|
|
|
|
|
|
372
|
|
|
|
|
|
|
=head1 AUTHOR |
373
|
|
|
|
|
|
|
|
374
|
|
|
|
|
|
|
DUPUIS Arnaud, C<< <a.dupuis@infinityperl.org> >> |
375
|
|
|
|
|
|
|
|
376
|
|
|
|
|
|
|
=head1 BUGS |
377
|
|
|
|
|
|
|
|
378
|
|
|
|
|
|
|
Please report any bugs or feature requests to |
379
|
|
|
|
|
|
|
C<bug-Slackware-Slackget@rt.cpan.org>, or through the web interface at |
380
|
|
|
|
|
|
|
L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Slackware-Slackget>. |
381
|
|
|
|
|
|
|
I will be notified, and then you'll automatically be notified of progress on |
382
|
|
|
|
|
|
|
your bug as I make changes. |
383
|
|
|
|
|
|
|
|
384
|
|
|
|
|
|
|
=head1 SUPPORT |
385
|
|
|
|
|
|
|
|
386
|
|
|
|
|
|
|
You can find documentation for this module with the perldoc command. |
387
|
|
|
|
|
|
|
|
388
|
|
|
|
|
|
|
perldoc Slackware::Slackget |
389
|
|
|
|
|
|
|
|
390
|
|
|
|
|
|
|
|
391
|
|
|
|
|
|
|
You can also look for information at: |
392
|
|
|
|
|
|
|
|
393
|
|
|
|
|
|
|
=over 4 |
394
|
|
|
|
|
|
|
|
395
|
|
|
|
|
|
|
=item * Infinity Perl website |
396
|
|
|
|
|
|
|
|
397
|
|
|
|
|
|
|
L<http://www.infinityperl.org/category/slack-get> |
398
|
|
|
|
|
|
|
|
399
|
|
|
|
|
|
|
=item * slack-get specific website |
400
|
|
|
|
|
|
|
|
401
|
|
|
|
|
|
|
L<http://slackget.infinityperl.org> |
402
|
|
|
|
|
|
|
|
403
|
|
|
|
|
|
|
=item * RT: CPAN's request tracker |
404
|
|
|
|
|
|
|
|
405
|
|
|
|
|
|
|
L<http://rt.cpan.org/NoAuth/Bugs.html?Dist=Slackware-Slackget> |
406
|
|
|
|
|
|
|
|
407
|
|
|
|
|
|
|
=item * AnnoCPAN: Annotated CPAN documentation |
408
|
|
|
|
|
|
|
|
409
|
|
|
|
|
|
|
L<http://annocpan.org/dist/Slackware-Slackget> |
410
|
|
|
|
|
|
|
|
411
|
|
|
|
|
|
|
=item * CPAN Ratings |
412
|
|
|
|
|
|
|
|
413
|
|
|
|
|
|
|
L<http://cpanratings.perl.org/d/Slackware-Slackget> |
414
|
|
|
|
|
|
|
|
415
|
|
|
|
|
|
|
=item * Search CPAN |
416
|
|
|
|
|
|
|
|
417
|
|
|
|
|
|
|
L<http://search.cpan.org/dist/Slackware-Slackget> |
418
|
|
|
|
|
|
|
|
419
|
|
|
|
|
|
|
=back |
420
|
|
|
|
|
|
|
|
421
|
|
|
|
|
|
|
=head1 ACKNOWLEDGEMENTS |
422
|
|
|
|
|
|
|
|
423
|
|
|
|
|
|
|
Thanks to Bertrand Dupuis (yes my brother) for his contribution to the documentation. |
424
|
|
|
|
|
|
|
|
425
|
|
|
|
|
|
|
=head1 COPYRIGHT & LICENSE |
426
|
|
|
|
|
|
|
|
427
|
|
|
|
|
|
|
Copyright 2005 DUPUIS Arnaud, All Rights Reserved. |
428
|
|
|
|
|
|
|
|
429
|
|
|
|
|
|
|
This program is free software; you can redistribute it and/or modify it |
430
|
|
|
|
|
|
|
under the same terms as Perl itself. |
431
|
|
|
|
|
|
|
|
432
|
|
|
|
|
|
|
=cut |
433
|
|
|
|
|
|
|
|
434
|
|
|
|
|
|
|
1; # End of Slackware::Slackget |