| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace PhpCache\Storage; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  * Description of MessageBucket. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  |  * @author dude920228 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | class Bucket implements StorageInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |     private $entries; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |     private $backupDir; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |      | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     public function __construct($backupDir) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |         $this->backupDir = $backupDir; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |         $this->entries = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     public function get($key) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |         if (!array_key_exists($key, $this->entries) && !$this->existsInBackup($key)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |         if($this->existsInBackup($key)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |             $entry = unserialize($this->getFromBackup($key)); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |             return gzuncompress($entry['content']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |         return gzuncompress($this->entries[$key]['content']); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 32 |  |  |      | 
            
                                                                        
                            
            
                                    
            
            
                | 33 |  |  |     private function existsInBackup($key) | 
            
                                                                        
                            
            
                                    
            
            
                | 34 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 35 |  |  |         if(file_exists($this->backupDir."/".$key.".dat")) { | 
            
                                                                        
                            
            
                                    
            
            
                | 36 |  |  |             return true; | 
            
                                                                        
                            
            
                                    
            
            
                | 37 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 38 |  |  |         return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |      | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |     private function getFromBackup($key) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |         $contents = ""; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |         $handle = fopen($this->backupDir."/".$key.".dat", "r+"); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |         while(!feof($handle)) { | 
                            
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                | 46 |  |  |             $contents .= fread($handle, 32); | 
                            
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                | 47 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |         return $contents; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |     public function store($key, $entry, $time = null) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |         $compressed = gzcompress($entry, 9); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         $this->entries[$key]['content'] = $compressed; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |         $this->entries[$key]['created_time'] = is_null($time) ? time() : $time; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |         if (!$compressed) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |             return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |         return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |     public function getEntries() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |         return $this->entries; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |     public function delete($key) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |         if (array_key_exists($key, $this->entries)) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |             unset($this->entries[$key]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |             return true; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |         return false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |     public function getKeys() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |         return array_keys($this->entries); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 83 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 84 |  |  |  |