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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright Copyright (c) 2017, Matias De lellis <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @copyright Copyright (c) 2018, Branko Kokanovic <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @author Branko Kokanovic <[email protected]>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @license GNU AGPL version 3 or any later version  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This program is free software: you can redistribute it and/or modify  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * it under the terms of the GNU Affero General Public License as  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * published by the Free Software Foundation, either version 3 of the  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * License, or (at your option) any later version.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * This program is distributed in the hope that it will be useful,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * but WITHOUT ANY WARRANTY; without even the implied warranty of  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * GNU Affero General Public License for more details.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * You should have received a copy of the GNU Affero General Public License  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * along with this program.  If not, see <http://www.gnu.org/licenses/>.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                namespace OCA\FaceRecognition\BackgroundJob\Tasks;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCP\IConfig;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCA\FaceRecognition\BackgroundJob\FaceRecognitionBackgroundTask;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCA\FaceRecognition\BackgroundJob\FaceRecognitionContext;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCA\FaceRecognition\Helper\MemoryLimits;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCA\FaceRecognition\Helper\Requirements;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                use OCA\FaceRecognition\Migration\AddDefaultFaceModel;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Check all requirements before we start engaging in lengthy background task.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class CheckRequirementsTask extends FaceRecognitionBackgroundTask { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/** @var IConfig Config */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	private $config;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @param IConfig $config Config  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	public function __construct(IConfig $config) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		parent::__construct();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		$this->config = $config;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @inheritdoc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function description() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return "Check all requirements";  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	/**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 * @inheritdoc  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	public function execute(FaceRecognitionContext $context) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$this->setContext($context);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$model = intval($this->config->getAppValue('facerecognition', 'model', AddDefaultFaceModel::DEFAULT_FACE_MODEL_ID)); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$req = new Requirements($context->appManager, $model);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if (!$req->pdlibLoaded()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$error_message = "PDLib is not loaded. Cannot continue";  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$this->logInfo($error_message);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if (!$req->modelFilesPresent()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$error_message =  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				"Files of model with ID ' . $model . ' are not present in models/ directory.\n" .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				"Please contact administrator to change models you are using for face recognition\n" .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				"or reinstall application. File an issue here if that doesn\'t help: https://github.com/matiasdelellis/facerecognition/issues";  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$this->logInfo($error_message);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// Determine the system memory with some considerations.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$memoryAvailable = MemoryLimits::getAvailableMemory();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ($memoryAvailable <= 0) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			// We cannot determine amount of memory to give to face recognition CNN.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			// We will hardcode it here to 1GB, but plan is to expose this to user in future.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			// TODO: allow user to choose "recognition quality", which will map to given memory.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			// If user explicitely set something, we ignore getting memory from system.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$this->logDebug("Cannot detect amount of memory given to PHP process. Using 1GB for image processing"); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$memoryAvailable = 1024 * 1024 * 1024;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// Apply some prudent limits.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ($memoryAvailable < 1024 * 1024 * 1024) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$error_message =  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				"\n" .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				"Seems that you have only " . intval($memoryAvailable / (1024 * 1024)). "MB of memory given to PHP.\n" .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				"Face recognition application requires at least 1 GB. You need to change your memory_limit in php.ini.\n" .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				"Check https://secure.php.net/manual/en/ini.core.php#ini.memory-limit for details.\n" .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				"If you already set this to unlimited, it seems your system is not having enough RAM memory.";  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$this->logInfo($error_message);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			return false;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		} else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$this->logDebug(sprintf('Found %d MB available to PHP.', $systemMemory / (1024 * 1024))); | 
            
                            
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                			// No point going above 4GB ("4GB should be enough for everyone") | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			if ($memoryAvailable > 4 * 1024 * 1024 * 1024) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$this->logDebug('Capping used memory to maximum of 4GB'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$memoryAvailable = 4 * 1024 * 1024 * 1024;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		// Apply admin setting limit.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$memorySetting = $this->config->getAppValue('facerecognition', 'memory-limits', '-1'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ($memorySetting > 0) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			if ($memorySetting > $memoryAvailable) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$error_message =  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					"\n" .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					"Seems that you configured" . intval($memorySetting / (1024 * 1024)) . " MB of memory, however, this exceeds" .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					"detected as maximum for PHP: " . intval($memoryAvailable / (1024 * 1024)). "MB.\n" .  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                					"We will ignore the FaceRecognition settings, and we will limit to that.";  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$this->logInfo($error_message);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$this->logInfo("Applying the memory limit to " . intval($memorySetting / (1024*1024)) . "MB configured in settings."); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                				$memoryAvailable = $memorySetting;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                                                     | 
                
                 | 
                		$context->propertyBag['memory'] = $memoryAvailable;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    128
                 | 
                                    
                                                     | 
                
                 | 
                 | 
            
            
                                                                                                            
                            
            
                                    
            
            
                | 
                    129
                 | 
                                    
                                                     | 
                
                 | 
                		return true;  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
                | 
                    130
                 | 
                                    
                                                     | 
                
                 | 
                	}  | 
            
            
                                                        
            
                                    
            
            
                | 
                    131
                 | 
                                    
                                                     | 
                
                 | 
                }  |