cpanplus::selfupdate.3

视频监控网络部分的协议ddns,的模块的实现代码,请大家大胆指正.

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.\" ========================================================================
.\"
.IX Title "CPANPLUS::Selfupdate 3"
.TH CPANPLUS::Selfupdate 3 "2007-12-18" "perl v5.10.0" "Perl Programmers Reference Guide"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
CPANPLUS::Selfupdate
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&    $su     = $cb\->selfupdate_object;
\&    
\&    @feats  = $su\->list_features;
\&    @feats  = $su\->list_enabled_features;
\&    
\&    @mods   = map { $su\->modules_for_feature( $_ ) } @feats;
\&    @mods   = $su\->list_core_dependencies;
\&    @mods   = $su\->list_core_modules;
\&    
\&    for ( @mods ) {
\&        print $_\->name " should be version " . $_\->version_required;
\&        print "Installed version is not uptodate!" 
\&            unless $_\->is_installed_version_sufficient;
\&    }
\&    
\&    $ok     = $su\->selfupdate( update => \*(Aqall\*(Aq, latest => 0 );
.Ve
.SH "METHODS"
.IX Header "METHODS"
.ie n .Sh "$self\fP = CPANPLUS::Selfupdate\->new( \f(CW$backend_object );"
.el .Sh "\f(CW$self\fP = CPANPLUS::Selfupdate\->new( \f(CW$backend_object\fP );"
.IX Subsection "$self = CPANPLUS::Selfupdate->new( $backend_object );"
Sets up a new selfupdate object. Called automatically when
a new backend object is created.
.ie n .Sh "@cat\fP = \f(CW$self\->list_categories"
.el .Sh "\f(CW@cat\fP = \f(CW$self\fP\->list_categories"
.IX Subsection "@cat = $self->list_categories"
Returns a list of categories that the \f(CW\*(C`selfupdate\*(C'\fR method accepts.
.PP
See \f(CW\*(C`selfupdate\*(C'\fR for details.
.ie n .Sh "%list\fP = \f(CW$self\->list_modules_to_update( update => ""core|dependencies|enabled_features|features|all"", [latest => \s-1BOOL\s0] )"
.el .Sh "\f(CW%list\fP = \f(CW$self\fP\->list_modules_to_update( update => ``core|dependencies|enabled_features|features|all'', [latest => \s-1BOOL\s0] )"
.IX Subsection "%list = $self->list_modules_to_update( update => core|dependencies|enabled_features|features|all, [latest => BOOL] )"
List which modules \f(CW\*(C`selfupdate\*(C'\fR would upgrade. You can update either 
the core (\s-1CPANPLUS\s0 itself), the core dependencies, all features you have
currently turned on, or all features available, or everything.
.PP
The \f(CW\*(C`latest\*(C'\fR option determines whether it should update to the latest
version on \s-1CPAN\s0, or if the minimal required version for \s-1CPANPLUS\s0 is
good enough.
.PP
Returns a hash of feature names and lists of module objects to be
upgraded based on the category you provided. For example:
.PP
.Vb 1
\&    %list = $self\->list_modules_to_update( update => \*(Aqcore\*(Aq );
.Ve
.PP
Would return:
.PP
.Vb 1
\&    ( core => [ $module_object_for_cpanplus ] );
.Ve
.ie n .Sh "$bool\fP = \f(CW$self\->selfupdate( update => ""core|dependencies|enabled_features|features|all"", [latest => \s-1BOOL\s0, force => \s-1BOOL\s0] )"
.el .Sh "\f(CW$bool\fP = \f(CW$self\fP\->selfupdate( update => ``core|dependencies|enabled_features|features|all'', [latest => \s-1BOOL\s0, force => \s-1BOOL\s0] )"
.IX Subsection "$bool = $self->selfupdate( update => core|dependencies|enabled_features|features|all, [latest => BOOL, force => BOOL] )"
Selfupdate \s-1CPANPLUS\s0. You can update either the core (\s-1CPANPLUS\s0 itself),
the core dependencies, all features you have currently turned on, or
all features available, or everything.
.PP
The \f(CW\*(C`latest\*(C'\fR option determines whether it should update to the latest
version on \s-1CPAN\s0, or if the minimal required version for \s-1CPANPLUS\s0 is
good enough.
.PP
Returns true on success, false on error.
.ie n .Sh "@features\fP = \f(CW$self\->list_features"
.el .Sh "\f(CW@features\fP = \f(CW$self\fP\->list_features"
.IX Subsection "@features = $self->list_features"
Returns a list of features that are supported by \s-1CPANPLUS\s0.
.ie n .Sh "@features\fP = \f(CW$self\->list_enabled_features"
.el .Sh "\f(CW@features\fP = \f(CW$self\fP\->list_enabled_features"
.IX Subsection "@features = $self->list_enabled_features"
Returns a list of features that are enabled in your current
\&\s-1CPANPLUS\s0 installation.
.ie n .Sh "@mods\fP = \f(CW$self\->modules_for_feature( \s-1FEATURE\s0 [,AS_HASH] )"
.el .Sh "\f(CW@mods\fP = \f(CW$self\fP\->modules_for_feature( \s-1FEATURE\s0 [,AS_HASH] )"
.IX Subsection "@mods = $self->modules_for_feature( FEATURE [,AS_HASH] )"
Returns a list of \f(CW\*(C`CPANPLUS::Selfupdate::Module\*(C'\fR objects which 
represent the modules required to support this feature.
.PP
For a list of features, call the \f(CW\*(C`list_features\*(C'\fR method.
.PP
If the \f(CW\*(C`AS_HASH\*(C'\fR argument is provided, no module objects are
returned, but a hashref where the keys are names of the modules,
and values are their minimum versions.
.ie n .Sh "@mods\fP = \f(CW$self\->list_core_dependencies( [\s-1AS_HASH\s0] )"
.el .Sh "\f(CW@mods\fP = \f(CW$self\fP\->list_core_dependencies( [\s-1AS_HASH\s0] )"
.IX Subsection "@mods = $self->list_core_dependencies( [AS_HASH] )"
Returns a list of \f(CW\*(C`CPANPLUS::Selfupdate::Module\*(C'\fR objects which 
represent the modules that comprise the core dependencies of \s-1CPANPLUS\s0.
.PP
If the \f(CW\*(C`AS_HASH\*(C'\fR argument is provided, no module objects are
returned, but a hashref where the keys are names of the modules,
and values are their minimum versions.
.ie n .Sh "@mods\fP = \f(CW$self\->list_core_modules( [\s-1AS_HASH\s0] )"
.el .Sh "\f(CW@mods\fP = \f(CW$self\fP\->list_core_modules( [\s-1AS_HASH\s0] )"
.IX Subsection "@mods = $self->list_core_modules( [AS_HASH] )"
Returns a list of \f(CW\*(C`CPANPLUS::Selfupdate::Module\*(C'\fR objects which 
represent the modules that comprise the core of \s-1CPANPLUS\s0.
.PP
If the \f(CW\*(C`AS_HASH\*(C'\fR argument is provided, no module objects are
returned, but a hashref where the keys are names of the modules,
and values are their minimum versions.
.SH "CPANPLUS::Selfupdate::Module"
.IX Header "CPANPLUS::Selfupdate::Module"
\&\f(CW\*(C`CPANPLUS::Selfupdate::Module\*(C'\fR extends \f(CW\*(C`CPANPLUS::Module\*(C'\fR objects
by providing accessors to aid in selfupdating \s-1CPANPLUS\s0.
.PP
These objects are returned by all methods of \f(CW\*(C`CPANPLUS::Selfupdate\*(C'\fR
that return module objects.
.ie n .Sh "$version\fP = \f(CW$mod\->version_required"
.el .Sh "\f(CW$version\fP = \f(CW$mod\fP\->version_required"
.IX Subsection "$version = $mod->version_required"
Returns the version of this module required for \s-1CPANPLUS\s0.
.ie n .Sh "$bool\fP = \f(CW$mod\->is_installed_version_sufficient"
.el .Sh "\f(CW$bool\fP = \f(CW$mod\fP\->is_installed_version_sufficient"
.IX Subsection "$bool = $mod->is_installed_version_sufficient"
Returns true if the installed version of this module is sufficient
for \s-1CPANPLUS\s0, or false if it is not.
.SH "BUG REPORTS"
.IX Header "BUG REPORTS"
Please report bugs or other issues to <bug\[e-mail]<gt>.
.SH "AUTHOR"
.IX Header "AUTHOR"
This module by Jos Boumans <[e-mail]>.
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
The \s-1CPAN++\s0 interface (of which this module is a part of) is copyright (c) 
2001 \- 2007, Jos Boumans <[e-mail]>. All rights reserved.
.PP
This library is free software; you may redistribute and/or modify it 
under the same terms as Perl itself.