e174a4ddfb
Caches for wikis with table prefixes will be lost on upgrade, caches for wikis without table prefixes will be preserved. Custom cache keys in extensions can be migrated at leisure. Extensions which write to core cache keys should be migrated ASAP, as I have done with Special:Makesysop.
73 lines
1.4 KiB
PHP
73 lines
1.4 KiB
PHP
<?php
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/**
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* This file gets included if $wgSessionsInMemcache is set in the config.
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* It redirects session handling functions to store their data in memcached
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* instead of the local filesystem. Depending on circumstances, it may also
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* be necessary to change the cookie settings to work across hostnames.
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* See: http://www.php.net/manual/en/function.session-set-save-handler.php
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*
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* @package MediaWiki
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*/
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/**
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* @todo document
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*/
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function memsess_key( $id ) {
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return wfMemcKey( 'session', $id );
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}
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/**
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* @todo document
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*/
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function memsess_open( $save_path, $session_name ) {
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# NOP, $wgMemc should be set up already
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return true;
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}
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/**
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* @todo document
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*/
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function memsess_close() {
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# NOP
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return true;
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}
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/**
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* @todo document
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*/
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function memsess_read( $id ) {
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global $wgMemc;
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$data = $wgMemc->get( memsess_key( $id ) );
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if( ! $data ) return '';
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return $data;
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}
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/**
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* @todo document
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*/
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function memsess_write( $id, $data ) {
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global $wgMemc;
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$wgMemc->set( memsess_key( $id ), $data, 3600 );
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return true;
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}
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/**
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* @todo document
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*/
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function memsess_destroy( $id ) {
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global $wgMemc;
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$wgMemc->delete( memsess_key( $id ) );
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return true;
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}
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/**
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* @todo document
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*/
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function memsess_gc( $maxlifetime ) {
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# NOP: Memcached performs garbage collection.
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return true;
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}
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session_set_save_handler( 'memsess_open', 'memsess_close', 'memsess_read', 'memsess_write', 'memsess_destroy', 'memsess_gc' );
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?>
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