| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | namespace PhpCache\CacheServer; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | use PhpCache\CacheEventListener\CacheEventListenerInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use PhpCache\IO\CacheIOHandler; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use PhpCache\Storage\Bucket; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use PhpCache\Storage\Maintainer; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  * Description of CacheServer. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  |  * @author dude920228 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | class CacheServer implements CacheServerInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |     private $socket; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     private $running; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |      * @var CacheIOHandler | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     private $ioHandler; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |      * @var Bucket | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |     private $bucket; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      * @var ActionHandler | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |     private $actionHandler; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |      * @var Maintainer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |     private $maintainer; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     private $cacheEventListener; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     private $clients; | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 43 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 44 |  |  |     public function __construct( | 
            
                                                                        
                            
            
                                    
            
            
                | 45 |  |  |         CacheIOHandler $ioHandler, | 
            
                                                                        
                            
            
                                    
            
            
                | 46 |  |  |         Bucket $bucket, | 
            
                                                                        
                            
            
                                    
            
            
                | 47 |  |  |         ActionHandler $actionHandler, | 
            
                                                                        
                            
            
                                    
            
            
                | 48 |  |  |         Maintainer $maintainer, | 
            
                                                                        
                            
            
                                    
            
            
                | 49 |  |  |         CacheEventListenerInterface $cacheEventListener = null | 
            
                                                                        
                            
            
                                    
            
            
                | 50 |  |  |     ) { | 
            
                                                                        
                            
            
                                    
            
            
                | 51 |  |  |         $this->running = true; | 
            
                                                                        
                            
            
                                    
            
            
                | 52 |  |  |         $this->ioHandler = $ioHandler; | 
            
                                                                        
                            
            
                                    
            
            
                | 53 |  |  |         $this->bucket = $bucket; | 
            
                                                                        
                            
            
                                    
            
            
                | 54 |  |  |         $this->actionHandler = $actionHandler; | 
            
                                                                        
                            
            
                                    
            
            
                | 55 |  |  |         $this->maintainer = $maintainer; | 
            
                                                                        
                            
            
                                    
            
            
                | 56 |  |  |         $this->clients = []; | 
            
                                                                        
                            
            
                                    
            
            
                | 57 |  |  |         $this->cacheEventListener = $cacheEventListener; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |     public function run(): void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |         $this->socket = $this->ioHandler->createServerSocket(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |         while ($this->running) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |             $this->maintainer->checkBackup(time(), $this->bucket); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |             $this->maintainer->maintainBucket($this->bucket); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |             if (($connection = @socket_accept($this->socket))) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |                 $clientId = uniqid(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |                 socket_set_nonblock($connection); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |                 $this->clients[$clientId] = $connection; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |                 $read = $this->clients; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |                 $write = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |                 $except = []; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |                 socket_select($read, $write, $except, 10); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |                 $dataString = $this->ioHandler->readFromSocket($connection); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |                 $data = unserialize($dataString); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |                 ($this->actionHandler)( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |                     $this, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |                     $data, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |                     $connection | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |                 ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |                 $this->ioHandler->closeSocket($connection); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |                 unset($this->clients[$clientId]); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |     public function getBucket(): Bucket | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |         return $this->bucket; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |     public function getIOHandler(): CacheIOHandler | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |         return $this->ioHandler; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |     public function getMaintainer(): Maintainer | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |         return $this->maintainer; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |     public function getSocket() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |         return $this->socket; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |     public function getEventListener(): ?CacheEventListenerInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |         return $this->cacheEventListener; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |     public function close(): void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |         $this->maintainer->backup($this->bucket); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |         $this->running = false; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |         $this->ioHandler->closeSocket($this->socket); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |         $this->ioHandler->removeSocket(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 119 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 120 |  |  |  |