# http://www.gnu.org/copyleft/gpl.html
/**
*
- * @package MediaWiki
*/
/**
* the PHP memcached client.
*
* backends for local hash array and SQL table included:
- * $bag = new HashBagOStuff();
- * $bag = new MysqlBagOStuff($tablename); # connect to db first
+ * <code>
+ * $bag = new HashBagOStuff();
+ * $bag = new MysqlBagOStuff($tablename); # connect to db first
+ * </code>
*
- * @package MediaWiki
*/
class BagOStuff {
var $debugmode;
- function BagOStuff() {
+ function __construct() {
$this->set_debug( false );
}
return true;
}
+ function keys() {
+ /* stub */
+ return array();
+ }
+
/* *** Emulated functions *** */
/* Better performance can likely be got with custom written versions */
function get_multi($keys) {
/**
* Functional versions!
* @todo document
- * @package MediaWiki
*/
class HashBagOStuff extends BagOStuff {
/*
*/
var $bag;
- function HashBagOStuff() {
+ function __construct() {
$this->bag = array();
}
unset($this->bag[$key]);
return true;
}
+
+ function keys() {
+ return array_keys( $this->bag );
+ }
}
/*
/**
* @todo document
* @abstract
- * @package MediaWiki
*/
abstract class SqlBagOStuff extends BagOStuff {
var $table;
var $lastexpireall = 0;
- function SqlBagOStuff($tablename = 'objectcache') {
+ function __construct($tablename = 'objectcache') {
$this->table = $tablename;
}
}
function set($key,$value,$exptime=0) {
+ if ( wfReadOnly() ) {
+ return false;
+ }
$exptime = intval($exptime);
if($exptime < 0) $exptime = 0;
if($exptime == 0) {
}
function delete($key,$time=0) {
+ if ( wfReadOnly() ) {
+ return false;
+ }
$this->_query(
"DELETE FROM $0 WHERE keyname='$1'", $key );
return true; /* ? */
}
+ function keys() {
+ $res = $this->_query( "SELECT keyname FROM $0" );
+ if(!$res) {
+ $this->_debug("keys: ** error: " . $this->_dberror($res) . " **");
+ return array();
+ }
+ $result = array();
+ while( $row = $this->_fetchobject($res) ) {
+ $result[] = $row->keyname;
+ }
+ return $result;
+ }
+
function getTableName() {
return $this->table;
}
function expireall() {
/* Remove any items that have expired */
+ if ( wfReadOnly() ) {
+ return false;
+ }
$now = $this->_fromunixtime( time() );
$this->_query( "DELETE FROM $0 WHERE exptime < '$now'" );
}
function deleteall() {
/* Clear *all* items from cache table */
+ if ( wfReadOnly() ) {
+ return false;
+ }
$this->_query( "DELETE FROM $0" );
}
/**
* @todo document
- * @package MediaWiki
*/
class MediaWikiBagOStuff extends SqlBagOStuff {
var $tableInitialised = false;
function _doquery($sql) {
- $dbw =& wfGetDB( DB_MASTER );
+ $dbw = wfGetDB( DB_MASTER );
return $dbw->query($sql, 'MediaWikiBagOStuff::_doquery');
}
function _doinsert($t, $v) {
- $dbw =& wfGetDB( DB_MASTER );
+ $dbw = wfGetDB( DB_MASTER );
return $dbw->insert($t, $v, 'MediaWikiBagOStuff::_doinsert',
array( 'IGNORE' ) );
}
function _fetchobject($result) {
- $dbw =& wfGetDB( DB_MASTER );
+ $dbw = wfGetDB( DB_MASTER );
return $dbw->fetchObject($result);
}
function _freeresult($result) {
- $dbw =& wfGetDB( DB_MASTER );
+ $dbw = wfGetDB( DB_MASTER );
return $dbw->freeResult($result);
}
function _dberror($result) {
- $dbw =& wfGetDB( DB_MASTER );
+ $dbw = wfGetDB( DB_MASTER );
return $dbw->lastError();
}
function _maxdatetime() {
- $dbw =& wfGetDB(DB_MASTER);
if ( time() > 0x7fffffff ) {
return $this->_fromunixtime( 1<<62 );
} else {
}
}
function _fromunixtime($ts) {
- $dbw =& wfGetDB(DB_MASTER);
+ $dbw = wfGetDB(DB_MASTER);
return $dbw->timestamp($ts);
}
function _strencode($s) {
- $dbw =& wfGetDB( DB_MASTER );
+ $dbw = wfGetDB( DB_MASTER );
return $dbw->strencode($s);
}
function _blobencode($s) {
- $dbw =& wfGetDB( DB_MASTER );
+ $dbw = wfGetDB( DB_MASTER );
return $dbw->encodeBlob($s);
}
function _blobdecode($s) {
- $dbw =& wfGetDB( DB_MASTER );
+ $dbw = wfGetDB( DB_MASTER );
return $dbw->decodeBlob($s);
}
function getTableName() {
if ( !$this->tableInitialised ) {
- $dbw =& wfGetDB( DB_MASTER );
+ $dbw = wfGetDB( DB_MASTER );
/* This is actually a hack, we should be able
to use Language classes here... or not */
if (!$dbw)
* that Turck's serializer is faster, so a possible future extension would be
* to use it for arrays but not for objects.
*
- * @package MediaWiki
*/
class TurckBagOStuff extends BagOStuff {
function get($key) {
/**
* This is a wrapper for APC's shared memory functions
*
- * @package MediaWiki
*/
-
class APCBagOStuff extends BagOStuff {
function get($key) {
$val = apc_fetch($key);
* This is basically identical to the Turck MMCache version,
* mostly because eAccelerator is based on Turck MMCache.
*
- * @package MediaWiki
*/
class eAccelBagOStuff extends BagOStuff {
function get($key) {
}
}
+/**
+ * Wrapper for XCache object caching functions; identical interface
+ * to the APC wrapper
+ */
+class XCacheBagOStuff extends BagOStuff {
+
+ /**
+ * Get a value from the XCache object cache
+ *
+ * @param string $key Cache key
+ * @return mixed
+ */
+ public function get( $key ) {
+ $val = xcache_get( $key );
+ if( is_string( $val ) )
+ $val = unserialize( $val );
+ return $val;
+ }
+
+ /**
+ * Store a value in the XCache object cache
+ *
+ * @param string $key Cache key
+ * @param mixed $value Object to store
+ * @param int $expire Expiration time
+ * @return bool
+ */
+ public function set( $key, $value, $expire = 0 ) {
+ xcache_set( $key, serialize( $value ), $expire );
+ return true;
+ }
+
+ /**
+ * Remove a value from the XCache object cache
+ *
+ * @param string $key Cache key
+ * @param int $time Not used in this implementation
+ * @return bool
+ */
+ public function delete( $key, $time = 0 ) {
+ xcache_unset( $key );
+ return true;
+ }
+
+}
+
+/**
+ * @todo document
+ */
class DBABagOStuff extends BagOStuff {
var $mHandler, $mFile, $mReader, $mWriter, $mDisabled;
function delete( $key, $time = 0 ) {
wfProfileIn( __METHOD__ );
+ wfDebug( __METHOD__."($key)\n" );
$handle = $this->getWriter();
if ( !$handle ) {
return false;
wfProfileOut( __METHOD__ );
return $ret;
}
+
+ function keys() {
+ $reader = $this->getReader();
+ $k1 = dba_firstkey( $reader );
+ if( !$k1 ) {
+ return array();
+ }
+ $result[] = $k1;
+ while( $key = dba_nextkey( $reader ) ) {
+ $result[] = $key;
+ }
+ return $result;
+ }
}
-?>
+
dépôts / lhc / web / wiklou.git / blobdiff