| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  | declare(ticks = 1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | namespace Ackintosh; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  | use Ackintosh\Snidel\Config; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use Ackintosh\Snidel\Fork\Container; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use Ackintosh\Snidel\Log; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use Ackintosh\Snidel\Pcntl; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | use Ackintosh\Snidel\Task\Task; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | class Snidel | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  |     /** @var \Ackintosh\Snidel\Config */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  |     private $config; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  |     /** @var \Ackintosh\Snidel\Fork\Container */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |     private $container; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  |     /** @var \Ackintosh\Snidel\Pcntl */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |     private $pcntl; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  |     /** @var \Ackintosh\Snidel\Log */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |     private $log; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |     /** @var array */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |     private $signals = [ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |         SIGTERM, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |         SIGINT, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  |     ]; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |      * @param   array $parameter | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     public function __construct($parameter = []) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |         $this->config    = new Config($parameter); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |         $this->log       = new Log($this->config->get('ownerPid'), $this->config->get('logger')); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |         $this->container = new Container($this->config, $this->log); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |         $this->pcntl     = new Pcntl(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |         foreach ($this->signals as $sig) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |             $this->pcntl->signal( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |                 $sig, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |                 function ($sig)  { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |                     $this->log->info('received signal. signo: ' . $sig); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |                     $this->log->info('--> sending a signal " to children.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |                     $this->container->sendSignalToMaster($sig); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |                     $this->log->info('<-- signal handling has been completed successfully.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |                     exit; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |                 }, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |                 false | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |             ); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |         $this->log->info('parent pid: ' . $this->config->get('ownerPid')); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |      * this method uses master / worker model. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |      * @param   callable    $callable | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |      * @param   mixed       $args | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |      * @param   string      $tag | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |      * @return  void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |      * @throws  \RuntimeException | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 67 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 68 |  |  |     public function fork($callable, $args = [], $tag = null) | 
            
                                                                        
                            
            
                                    
            
            
                | 69 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 70 |  |  |         if (!$this->container->existsMaster()) { | 
            
                                                                        
                            
            
                                    
            
            
                | 71 |  |  |             $this->container->forkMaster(); | 
            
                                                                        
                            
            
                                    
            
            
                | 72 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 73 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 74 |  |  |         try { | 
            
                                                                        
                            
            
                                    
            
            
                | 75 |  |  |             $this->container->enqueue(new Task($callable, $args, $tag)); | 
            
                                                                        
                            
            
                                    
            
            
                | 76 |  |  |         } catch (\RuntimeException $e) { | 
            
                                                                        
                            
            
                                    
            
            
                | 77 |  |  |             throw $e; | 
            
                                                                        
                            
            
                                    
            
            
                | 78 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 79 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 80 |  |  |         $this->log->info('queued task #' . $this->container->queuedCount()); | 
            
                                                                        
                            
            
                                    
            
            
                | 81 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |      * waits until all tasks that queued by Snidel::fork() are completed | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |      * @return  void | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |     public function wait() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |         $this->container->wait(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |      * returns generator which returns a result | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  |      * @return \Generator | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  |     public function results() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  |         foreach($this->container->results() as $r) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  |             yield $r; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  |      * @return  bool | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  |     public function hasError() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  |         return $this->container->hasError(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  |      * @return  \Ackintosh\Snidel\Error | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  |     public function getError() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  |         return $this->container->getError(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  |     public function __destruct() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |         if ($this->config->get('ownerPid') === getmypid()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  |             $this->wait(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  |             if ($this->container->existsMaster()) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  |                 $this->log->info('shutdown master process.'); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  |                 $this->container->sendSignalToMaster(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  |             } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  |             unset($this->container); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 133 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 134 |  |  |  |