8 * FakeMemCachedClient imitates the API of memcached-client v. 0.1.2.
9 * It acts as a memcached server with no RAM, that is, all objects are
10 * cleared the moment they are set. All set operations succeed and all
11 * get operations return null.
14 class FakeMemCachedClient
{
15 function add ($key, $val, $exp = 0) { return true; }
16 function decr ($key, $amt=1) { return null; }
17 function delete ($key, $time = 0) { return false; }
18 function disconnect_all () { }
19 function enable_compress ($enable) { }
20 function forget_dead_hosts () { }
21 function get ($key) { return null; }
22 function get_multi ($keys) { return array_pad(array(), count($keys), null); }
23 function incr ($key, $amt=1) { return null; }
24 function replace ($key, $value, $exp=0) { return false; }
25 function run_command ($sock, $cmd) { return null; }
26 function set ($key, $value, $exp=0){ return true; }
27 function set_compress_threshold ($thresh){ }
28 function set_debug ($dbg) { }
29 function set_servers ($list) { }
36 function &wfGetCache( $inputType ) {
37 global $wgCaches, $wgMemCachedServers, $wgMemCachedDebug, $wgMemCachedPersistent;
40 if ( $inputType == CACHE_ANYTHING
) {
42 $type = key( $wgCaches );
43 if ( $type === false ||
$type === CACHE_NONE
) {
50 if ( $type == CACHE_MEMCACHED
) {
51 if ( !array_key_exists( CACHE_MEMCACHED
, $wgCaches ) ) {
52 require_once( 'memcached-client.php' );
53 if ( !class_exists("MemcachedClientforWiki") ) {
54 class MemCachedClientforWiki
extends memcached
{
55 function _debugprint( $text ) {
56 wfDebug( "memcached: $text" );
60 $wgCaches[CACHE_MEMCACHED
] = new MemCachedClientforWiki(
61 array('persistant' => $wgMemCachedPersistent, 'compress_threshold' => 1500 ) );
62 $wgCaches[CACHE_MEMCACHED
]->set_servers( $wgMemCachedServers );
63 $wgCaches[CACHE_MEMCACHED
]->set_debug( $wgMemCachedDebug );
65 $cache =& $wgCaches[CACHE_MEMCACHED
];
66 } elseif ( $type == CACHE_ACCEL
) {
67 if ( !array_key_exists( CACHE_ACCEL
, $wgCaches ) ) {
68 if ( function_exists( 'eaccelerator_get' ) ) {
69 $wgCaches[CACHE_ACCEL
] = new eAccelBagOStuff
;
70 } elseif ( function_exists( 'apc_fetch') ) {
71 $wgCaches[CACHE_ACCEL
] = new APCBagOStuff
;
72 } elseif( function_exists( 'xcache_get' ) ) {
73 $wgCaches[CACHE_ACCEL
] = new XCacheBagOStuff();
74 } elseif ( function_exists( 'mmcache_get' ) ) {
75 $wgCaches[CACHE_ACCEL
] = new TurckBagOStuff
;
77 $wgCaches[CACHE_ACCEL
] = false;
80 if ( $wgCaches[CACHE_ACCEL
] !== false ) {
81 $cache =& $wgCaches[CACHE_ACCEL
];
83 } elseif ( $type == CACHE_DBA
) {
84 if ( !array_key_exists( CACHE_DBA
, $wgCaches ) ) {
85 $wgCaches[CACHE_DBA
] = new DBABagOStuff
;
87 $cache =& $wgCaches[CACHE_DBA
];
90 if ( $type == CACHE_DB ||
( $inputType == CACHE_ANYTHING
&& $cache === false ) ) {
91 if ( !array_key_exists( CACHE_DB
, $wgCaches ) ) {
92 $wgCaches[CACHE_DB
] = new MediaWikiBagOStuff('objectcache');
94 $cache =& $wgCaches[CACHE_DB
];
97 if ( $cache === false ) {
98 if ( !array_key_exists( CACHE_NONE
, $wgCaches ) ) {
99 $wgCaches[CACHE_NONE
] = new FakeMemCachedClient
;
101 $cache =& $wgCaches[CACHE_NONE
];
107 function &wfGetMainCache() {
108 global $wgMainCacheType;
109 $ret =& wfGetCache( $wgMainCacheType );
113 function &wfGetMessageCacheStorage() {
114 global $wgMessageCacheType;
115 $ret =& wfGetCache( $wgMessageCacheType );
119 function &wfGetParserCacheStorage() {
120 global $wgParserCacheType;
121 $ret =& wfGetCache( $wgParserCacheType );