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<?php |
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namespace Ackintosh\Snidel; |
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use Ackintosh\Snidel\Result\QueueInterface as ResultQueueInterface; |
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use Ackintosh\Snidel\Result\Result; |
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use Ackintosh\Snidel\Task\QueueInterface as TaskQueueInterface; |
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class Worker |
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{ |
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/** @var \Ackintosh\Snidel\Task\Task */ |
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private $task; |
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/** @var \Ackintosh\Snidel\Fork\Process */ |
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private $process; |
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/** @var \Ackintosh\Snidel\Task\QueueInterface */ |
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private $taskQueue; |
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/** @var \Ackintosh\Snidel\Result\QueueInterface */ |
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private $resultQueue; |
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/** @var \Ackintosh\Snidel\Pcntl */ |
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private $pcntl; |
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/** @var bool */ |
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private $done = false; |
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/** |
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* @param \Ackintosh\Snidel\Fork\Process $process |
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*/ |
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public function __construct($process) |
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{ |
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$this->pcntl = new Pcntl(); |
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$this->process = $process; |
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} |
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/** |
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* @param \Ackintosh\Snidel\Task\QueueInterface |
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* @return void |
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*/ |
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public function setTaskQueue(TaskQueueInterface $queue) |
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{ |
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$this->taskQueue = $queue; |
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} |
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/** |
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* @param \Ackintosh\Snidel\Result\QueueInterface |
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* @return void |
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*/ |
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public function setResultQueue(ResultQueueInterface $queue) |
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{ |
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$this->resultQueue = $queue; |
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} |
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/** |
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* @return int |
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*/ |
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public function getPid() |
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{ |
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return $this->process->getPid(); |
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} |
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/** |
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* @return void |
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* @throws \RuntimeException |
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*/ |
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public function run() |
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{ |
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try { |
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$this->task = $this->taskQueue->dequeue(); |
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$result = $this->task->execute(); |
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} catch (\RuntimeException $e) { |
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throw $e; |
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} |
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$result->setProcess($this->process); |
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try { |
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$this->resultQueue->enqueue($result); |
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$this->done = true; |
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} catch (\RuntimeException $e) { |
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throw $e; |
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} |
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} |
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/** |
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* @return void |
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* @throws \RuntimeException |
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*/ |
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public function error() |
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{ |
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$result = new Result(); |
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$result->setError(error_get_last()); |
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$result->setTask($this->task); |
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$result->setProcess($this->process); |
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try { |
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$this->resultQueue->enqueue($result); |
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} catch (\RuntimeException $e) { |
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throw $e; |
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} |
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} |
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/** |
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* @param int $sig |
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* @return void |
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*/ |
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public function terminate($sig) |
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{ |
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posix_kill($this->process->getPid(), $sig); |
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$status = null; |
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$this->pcntl->waitpid($this->process->getPid(), $status); |
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} |
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/** |
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* @return bool |
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*/ |
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public function hasTask() |
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{ |
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return $this->task !== null; |
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} |
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/** |
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* @return bool |
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*/ |
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public function done() |
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{ |
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return $this->done; |
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} |
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} |
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|
ackintosh /
snidel
