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new caching system

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This commit is contained in:
JT Smith 2005-07-12 00:28:25 +00:00
parent a15b5cb22d
commit 13b52b07f2
9 changed files with 281 additions and 187 deletions
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58
lib/WebGUI/Cache/Memcached.pm
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@ -16,11 +16,6 @@ package WebGUI::Cache::Memcached;
use Cache::Memcached;
use Digest::MD5;
use HTTP::Headers;
use HTTP::Request;
use LWP::UserAgent;
use WebGUI::ErrorHandler;
use WebGUI::Session;
our @ISA = qw(WebGUI::Cache);
@ -60,23 +55,6 @@ sub delete {
}
#-------------------------------------------------------------------
=head2 deleteByRegex ( )
This method is here to keep the API compatible.
Because of the nature of memcached it does not support a way to retrieve
the list of cache keys.
The whole cache will be flushed if deleteByRegex is called.
=cut
sub deleteByRegex {
my $self = shift;
return $self->flush;
}
#-------------------------------------------------------------------
=head2 flush ( )
@ -134,7 +112,7 @@ Defaults to the config filename for the current site. The only reason to overrid
sub new {
my $cache;
my $class = shift;
my $key = shift;
my $key = $class->parseKey(shift);
my $namespace = shift || $session{config}{configFile};
# Overcome maximum key length of 255 characters
@ -177,40 +155,6 @@ sub set {
}
#-------------------------------------------------------------------
=head2 setByHTTP ( url [, ttl ] )
Retrieves a document via HTTP and stores it in the cache and returns the content as a string.
=head3 url
The URL of the document to retrieve. It must begin with the standard "http://".
=head3 ttl
The time to live for this content. This is the amount of time (in seconds) that the content will remain in the cache. Defaults to "60".
=cut
sub setByHTTP {
my $userAgent = new LWP::UserAgent;
$userAgent->agent("WebGUI/".$WebGUI::VERSION);
$userAgent->timeout(30);
my $header = new HTTP::Headers;
my $referer = "http://webgui.http.request/".$session{env}{SERVER_NAME}.$session{env}{REQUEST_URI};
chomp $referer;
$header->referer($referer);
my $request = new HTTP::Request (GET => $_[1], $header);
my $response = $userAgent->request($request);
if ($response->is_error) {
WebGUI::ErrorHandler::warn($_[1]." could not be retrieved.");
} else {
$_[0]->set($response->content,$_[2]);
}
return $response->content;
}
#-------------------------------------------------------------------
=head2 stats ( )