All cache objects should extend this to ensure a consistent public api for
caching.
/**
* Reads in known/config servers and adds them to the instance.
*
* This method is called when the cache object is invoked by the framework
* automatically, and needs to configure itself from the values in the global
* config file.
*/
public function Autorun() {
$Servers = Gdn_Cache::ActiveStore('memcache');
if (!is_array($Servers))
$Servers = explode(',',$Servers);
$Keys = array(
Gdn_Cache::CONTAINER_LOCATION,
Gdn_Cache::CONTAINER_PERSISTENT,
Gdn_Cache::CONTAINER_WEIGHT,
Gdn_Cache::CONTAINER_TIMEOUT,
Gdn_Cache::CONTAINER_ONLINE,
Gdn_Cache::CONTAINER_CALLBACK
);
foreach ($Servers as $CacheServer) {
$CacheServer = explode(' ',$CacheServer);
$CacheServer = array_pad($CacheServer,count($Keys),NULL);
$CacheServer = array_combine($Keys,$CacheServer);
foreach ($Keys as $KeyName) {
$Value = GetValue($KeyName, $CacheServer, NULL);
if (is_null($Value))
unset($CacheServer[$KeyName]);
}
$this->AddContainer($CacheServer);
}
}
public function __construct()
{
parent::__construct();
$this->CacheType = Gdn_Cache::CACHE_TYPE_FILE;
$this->RegisterFeature(Gdn_Cache::FEATURE_COMPRESS, array('gzcompress', 'gzuncompress'));
$this->RegisterFeature(Gdn_Cache::FEATURE_EXPIRY);
$this->RegisterFeature(Gdn_Cache::FEATURE_TIMEOUT);
}
public function Decrement($Key, $Amount = 1, $Options = array())
{
$FinalOptions = array_merge($this->StoreDefaults, $Options);
$Initial = GetValue(Gdn_Cache::FEATURE_INITIAL, $FinalOptions, NULL);
$Expiry = GetValue(Gdn_Cache::FEATURE_EXPIRY, $FinalOptions, NULL);
$RequireBinary = $Initial || $Expiry;
$Initial = !is_null($Initial) ? $Initial : 0;
$Expiry = !is_null($Expiry) ? $Expiry : 0;
$TryBinary = $this->Option(Memcached::OPT_BINARY_PROTOCOL, FALSE) & $RequireBinary;
$RealKey = $this->MakeKey($Key, $FinalOptions);
switch ($TryBinary) {
case FALSE:
$Decremented = $this->Memcache->decrement($RealKey, $Amount);
break;
case TRUE:
$Decremented = $this->Memcache->decrement($RealKey, $Amount, $Initial, $Expiry);
break;
}
if ($Decremented !== FALSE) {
Gdn_Cache::LocalSet($RealKey, $Decremented);
return $Decremented;
}
return Gdn_Cache::CACHEOP_FAILURE;
}
/**
* Clear local cache (process memory cache)
*
*/
protected static function LocalClear()
{
self::$localCache = array();
}
}
// Re-apply loaded user settings.
Gdn::config()->overlayDynamic();
/**
* Bootstrap Late
*
* All configurations are loaded, as well as the Application, Plugin and Theme
* managers.
*/
if (file_exists(PATH_CONF . '/bootstrap.late.php')) {
require_once PATH_CONF . '/bootstrap.late.php';
}
if (c('Debug')) {
debug(true);
}
Gdn_Cache::trace(debug());
/**
* Factory Services
*
* These are the helper classes that facilitate Garden's operation. They can be
* overwritten using FactoryOverwrite, but their defaults are installed here.
*/
// Default database.
Gdn::factoryInstall(Gdn::AliasDatabase, 'Gdn_Database', null, Gdn::FactorySingleton, array('Database'));
// Database drivers.
Gdn::factoryInstall('MySQLDriver', 'Gdn_MySQLDriver', null, Gdn::FactoryInstance);
Gdn::factoryInstall('MySQLStructure', 'Gdn_MySQLStructure', null, Gdn::FactoryInstance);
// Form class
Gdn::factoryInstall('Form', 'Gdn_Form', null, Gdn::FactoryInstance);
// Identity, Authenticator & Session.
Gdn::factoryInstall('Identity', 'Gdn_CookieIdentity');
/**
* Determines the currently installed cache solution and returns a fresh instance of its object
*
* @return Gdn_Cache
*/
public static function Initialize($ForceEnable = FALSE, $ForceMethod = FALSE)
{
$AllowCaching = self::ActiveEnabled($ForceEnable);
$ActiveCache = Gdn_Cache::ActiveCache();
if ($ForceMethod !== FALSE) {
$ActiveCache = $ForceMethod;
}
$ActiveCacheClass = 'Gdn_' . ucfirst($ActiveCache);
if (!$AllowCaching || !$ActiveCache || !class_exists($ActiveCacheClass)) {
$CacheObject = new Gdn_Dirtycache();
} else {
$CacheObject = new $ActiveCacheClass();
}
if (method_exists($CacheObject, 'Autorun')) {
$CacheObject->Autorun();
}
// This should only fire when cache is loading automatically
if (!func_num_args() && Gdn::PluginManager() instanceof Gdn_PluginManager) {
Gdn::PluginManager()->FireEvent('AfterActiveCache');
}
return $CacheObject;
}
/**
* {@inheritdoc}
*/
public function decrement($key, $amount = 1, $options = array())
{
if (!$this->online()) {
return Gdn_Cache::CACHEOP_FAILURE;
}
$finalOptions = array_merge($this->StoreDefaults, $options);
$initial = val(Gdn_Cache::FEATURE_INITIAL, $finalOptions, null);
$expiry = val(Gdn_Cache::FEATURE_EXPIRY, $finalOptions, null);
$requireBinary = $initial || $expiry;
$initial = !is_null($initial) ? $initial : 0;
$expiry = !is_null($expiry) ? $expiry : 0;
$tryBinary = $this->option(Memcached::OPT_BINARY_PROTOCOL, false) & $requireBinary;
$realKey = $this->makeKey($key, $finalOptions);
switch ($tryBinary) {
case false:
$decremented = $this->memcache->decrement($realKey, $amount);
if (is_null($decremented) && $initial) {
$decremented = $this->memcache->set($realKey, $initial);
if ($decremented) {
$decremented = $initial;
}
}
break;
case true:
$decremented = $this->memcache->decrement($realKey, $amount, $initial, $expiry);
break;
}
// Check if things went ok
$ok = $this->lastAction($realKey);
if (!$ok) {
return Gdn_Cache::CACHEOP_FAILURE;
}
if ($decremented !== false) {
Gdn_Cache::localSet($realKey, $decremented);
return $decremented;
}
return Gdn_Cache::CACHEOP_FAILURE;
}
}
// Re-apply loaded user settings
Gdn::Config()->OverlayDynamic();
/**
* Bootstrap Late
*
* All configurations are loaded, as well as the Application, Plugin and Theme
* managers.
*/
if (file_exists(PATH_CONF . '/bootstrap.late.php')) {
require_once PATH_CONF . '/bootstrap.late.php';
}
if (C('Debug')) {
Debug(TRUE);
}
Gdn_Cache::Trace(Debug());
/**
* Factory Services
*
* These are the helper classes that facilitate Garden's operation. They can be
* overwritten using FactoryOverwrite, but their defaults are installed here.
*/
// Default database.
Gdn::FactoryInstall(Gdn::AliasDatabase, 'Gdn_Database', NULL, Gdn::FactorySingleton, array('Database'));
// Database drivers.
Gdn::FactoryInstall('MySQLDriver', 'Gdn_MySQLDriver', NULL, Gdn::FactoryInstance);
Gdn::FactoryInstall('MySQLStructure', 'Gdn_MySQLStructure', NULL, Gdn::FactoryInstance);
// Form class
Gdn::FactoryInstall('Form', 'Gdn_Form', NULL, Gdn::FactoryInstance);
// Identity, Authenticator & Session.
Gdn::FactoryInstall('Identity', 'Gdn_CookieIdentity');
public function __construct()
{
parent::__construct();
$this->CacheType = Gdn_Cache::CACHE_TYPE_NULL;
}
public function __construct()
{
parent::__construct();
}
protected static function LocalSet($key, $value = null)
{
if (!is_array($key)) {
$key = array($key => $value);
}
self::$localCache = array_merge(self::$localCache, $key);
}
public function Decrement($key, $amount = 1, $options = array())
{
if (!$this->Online()) {
return Gdn_Cache::CACHEOP_FAILURE;
}
$finalOptions = array_merge($this->StoreDefaults, $options);
$initial = GetValue(Gdn_Cache::FEATURE_INITIAL, $finalOptions, NULL);
$expiry = GetValue(Gdn_Cache::FEATURE_EXPIRY, $finalOptions, NULL);
$requireBinary = $initial || $expiry;
$initial = !is_null($initial) ? $initial : 0;
$expiry = !is_null($expiry) ? $expiry : 0;
$tryBinary = $this->Option(Memcached::OPT_BINARY_PROTOCOL, FALSE) & $requireBinary;
$realKey = $this->MakeKey($key, $finalOptions);
switch ($tryBinary) {
case FALSE:
$decremented = $this->Memcache->decrement($realKey, $amount);
break;
case TRUE:
$decremented = $this->Memcache->decrement($realKey, $amount, $initial, $expiry);
break;
}
// Check if things went ok
$ok = $this->lastAction($realKey);
if (!$ok) {
return Gdn_Cache::CACHEOP_FAILURE;
}
if ($decremented !== FALSE) {
Gdn_Cache::LocalSet($realKey, $decremented);
return $decremented;
}
return Gdn_Cache::CACHEOP_FAILURE;
}
public function __construct()
{
parent::__construct();
$this->RegisterFeature(Gdn_Cache::FEATURE_COMPRESS, array('gzcompress', 'gzuncompress'));
$this->AddContainer(array(Gdn_Cache::CONTAINER_LOCATION => C('Cache.Filecache.Store')));
}
