示例#1
0
 /**
  * Garbage collector
  * 
  * @param int $lifeTime Session maximal lifetime
  * @see session.gc_divisor  100
  * @see session.gc_maxlifetime 1440
  * @see session.gc_probability 1
  * @usage Execution rate 1/100 (session.gc_probability/session.gc_divisor)
  * @return boolean
  */
 public function gc($lifeTime)
 {
     if ($this->_storageType == self::STORAGE_TYPE_TABLE) {
         // In table storage
         try {
             $result = $this->_storage->retrieveEntities($this->_sessionContainer, 'PartitionKey eq \'' . $this->_sessionContainerPartition . '\' and sessionExpires lt ' . (time() - $lifeTime));
             foreach ($result as $sessionRecord) {
                 $this->_storage->deleteEntity($this->_sessionContainer, $sessionRecord);
             }
             return true;
         } catch (Microsoft_WindowsAzure_exception $ex) {
             return false;
         }
     } else {
         if ($this->_storageType == self::STORAGE_TYPE_BLOB) {
             // In blob storage
             try {
                 $result = $this->_storage->listBlobs($this->_sessionContainer, $this->_sessionContainerPartition, '', null, null, 'metadata');
                 foreach ($result as $sessionRecord) {
                     if ($sessionRecord->Metadata['sessionexpires'] < time() - $lifeTime) {
                         $this->_storage->deleteBlob($this->_sessionContainer, $sessionRecord->Name);
                     }
                 }
                 return true;
             } catch (Microsoft_WindowsAzure_exception $ex) {
                 return false;
             }
         }
     }
 }