wiki.techinc.nl/includes/MemcachedSessions.php

72 lines
1.4 KiB
PHP

<?php
/**
* This file gets included if $wgSessionsInMemcache is set in the config.
* It redirects session handling functions to store their data in memcached
* instead of the local filesystem. Depending on circumstances, it may also
* be necessary to change the cookie settings to work across hostnames.
* See: http://www.php.net/manual/en/function.session-set-save-handler.php
*
*/
/**
* @todo document
*/
function memsess_key( $id ) {
return wfMemcKey( 'session', $id );
}
/**
* @todo document
*/
function memsess_open( $save_path, $session_name ) {
# NOP, $wgMemc should be set up already
return true;
}
/**
* @todo document
*/
function memsess_close() {
# NOP
return true;
}
/**
* @todo document
*/
function memsess_read( $id ) {
global $wgMemc;
$data = $wgMemc->get( memsess_key( $id ) );
if( ! $data ) return '';
return $data;
}
/**
* @todo document
*/
function memsess_write( $id, $data ) {
global $wgMemc;
$wgMemc->set( memsess_key( $id ), $data, 3600 );
return true;
}
/**
* @todo document
*/
function memsess_destroy( $id ) {
global $wgMemc;
$wgMemc->delete( memsess_key( $id ) );
return true;
}
/**
* @todo document
*/
function memsess_gc( $maxlifetime ) {
# NOP: Memcached performs garbage collection.
return true;
}
session_set_save_handler( 'memsess_open', 'memsess_close', 'memsess_read', 'memsess_write', 'memsess_destroy', 'memsess_gc' );