PHP GearmanClient::runTasks方法代码示例

 protected function handleTasks()
 {
     $this->client->runTasks();
     $this->logger->debug("Client finished.");
     $this->logger->debug("Start tasks inspection.");
     $this->inspectionDto = $this->tasksInspector->inspect();
     $this->logger->debug($this->inspectionDto->getInspectionMessage());
     $this->logger->notice("Inspection message: " . serialize($this->inspectionDto->getInspectionMessage()));
     $this->handleInspection();
     return null;
 }

	/**
	 * Divides the passed workload and handles the division of workload between
	 * multiple instances
	 */
	public function before()
	{
		// If original request and above the workable limit then we
		//  look to parallelise the work

		$m_target = $this->request->post($this->_key_name);

		if
		(
			$this->request->is_initial()
			AND isset($m_target)
			AND is_array($m_target)
			AND count($m_target) >= $this->_workable_limit
		)
		{
			// Instantiate gearman client
			$obj_gearman = new GearmanClient;
			$obj_gearman->addServer();

			// Divide the work into $this->_worker_count chunks for processing
			$int_chunk_size = round( count($m_target) / $this->_worker_count );

			$arr_chunks = array_chunk( $m_target, $int_chunk_size );

			// Reverse the route..
			$str_route = $this->request->uri();

			// Update the controller action to our own nullifier
			$this->request->action('nullifier');

			// Schedule each of the requests
			$c = 0;
			foreach ($arr_chunks as $chunk) {

				// Format the string to be passed to the worker by formatting the post
				$arr_d = $_POST;
				$arr_d[$this->_key_name] = $arr_chunks[$c];

				$str_data = $str_route . "#" . http_build_query($arr_d);

				$obj_gearman->addTask('make_request', $str_data);
				$c++;
			}

			// Set the complete requests callback
			$obj_gearman->setCompleteCallback(array($this,"complete"));

			// Execute the requests
			$obj_gearman->runTasks();
		}
	}

 /**
  * @group concurrency
  */
 public function testConcurrency()
 {
     if (!class_exists('GearmanClient', false)) {
         $this->markTestSkipped('pecl/gearman is required for this test to run.');
     }
     $client = new \GearmanClient();
     $client->addServer();
     $workerIds = [];
     $poppedItems = [];
     $client->setCompleteCallback(function (\GearmanTask $task) use(&$workerIds, &$poppedItems) {
         $data = explode(':', $task->data(), 2);
         if (!is_array($data) || 2 !== count($data)) {
             return;
         }
         list($workerId, $item) = $data;
         $workerIds[$workerId] = true;
         if (!isset($poppedItems[$item])) {
             $poppedItems[$item] = true;
         }
     });
     $queueSize = $this->getConcurrencyQueueSize();
     $this->assertGreaterThan(10, $queueSize, 'Queue size is too small to test concurrency.');
     $workload = serialize(self::getHandler());
     for ($i = 1; $i <= $queueSize; $i++) {
         $this->queue->push($i);
         $client->addTask('pop', $workload);
     }
     try {
         // run the tasks in parallel (assuming multiple workers)
         $result = $client->runTasks();
     } catch (\GearmanException $e) {
         $result = false;
     }
     if (!$result) {
         $this->markTestSkipped('Unable to run gearman tasks. Check if gearman server is running.');
     }
     $this->assertEquals($queueSize, count($poppedItems));
     $this->assertGreaterThan(1, count($workerIds), 'Not enough workers to test concurrency.');
 }

    $data[$x]['src'] = $_SERVER['argv'][1];
    $data[$x]['dest'] = "{$x}.jpg";
    $data[$x]['x'] = (80 + 1) * ($x + 1);
    $data[$x]['y'] = NULL;
}
/* fire off each job */
foreach ($data as $img) {
    /* NOTE: if you want to asynchronously queue jobs use
     ** $task= $gmc->add_task_background("shrink_image", serialize($img));
     ** however keep in mind that your complete callback will not get called */
    if (!$gmc->addTask("shrink_image", serialize($img))) {
        echo "ERROR RET: " . $gmc->error() . "\n";
        exit;
    }
}
if (!$gmc->runTasks()) {
    echo "ERROR RET:" . $gmc->error() . "\n";
    exit;
}
echo "DONE\n";
exit;
function thumb_created($task)
{
    echo "CREATED -> job: " . $task->jobHandle() . "\n";
}
function thumb_complete($task)
{
    echo "COMPLETE -> job: " . $task->jobHandle() . " new_file: " . $task->data() . "\n";
}
function thumb_fail($task)
{

 /**
  * Метод, который содержит основную бизнес-логику клиента. По умолчанию просто запускает все задачи.
  * Если возвращает false, то работа клиента прерывается (!)
  * @return boolean 
  */
 public function process()
 {
     parent::runTasks();
     return true;
 }

 public function run()
 {
     $this->init();
     $this->addTasks();
     $this->gc->runTasks();
 }

 public function runTasks()
 {
     return $this->gearmanClient->runTasks();
 }

$tt1 = microtime(true);
$ctg = new data(array('server' => '10.102.1.3', 'user' => 'sa', 'pass' => 'i3kygbb2', 'database' => 'sifinca', 'engine' => 'mssql'));
$inmueble = new inmuebles($ctg);
echo " Cargando inmuebles ->";
$inmuebles = $inmueble->getInmuebles(array('promocion' => 0));
echo count($inmuebles) . "\n";
$client = new GearmanClient();
//por defecto el localhost
$client->addServer();
$client->setCompleteCallback("complete");
$map = array("total" => 0, "data" => null);
$json = json_encode($map);
// crear task
$i = 0;
foreach ($inmuebles as $row) {
    $i++;
    $json = json_encode(array("id" => 'C' . $row['id_inmueble']));
    $job_handle = $client->addTask("delete", $json, null, $i);
    echo "Enviando Tasks -> {$i} \n";
}
if (!$client->runTasks()) {
    echo "ERROR " . $client->error() . "\n";
    exit;
}
$tt2 = microtime(true);
$r = $tt2 - $tt1;
echo "\n\nTiempo de " . $r . " para {$i} registros\n";
function complete($task)
{
    print "COMPLETE: " . $task->unique() . "\n";
}

<?php

$client = new GearmanClient();
$client->addServer('127.0.0.1', 4730);
//本机可以直接addServer(),默认服务器端使用4730端口
$client->setCompleteCallback('completeCallBack');
//先绑定才有效
$result1 = $client->do('say', 'do');
//do是同步进行，进行处理并返回处理结果。
$result2 = $client->doBackground('say', 'doBackground');
//异步进行，只返回处理句柄。
$result3 = $client->addTask('say', 'addTask');
//添加任务到队列,同步进行？通过添加task可以设置回调函数。
$result4 = $client->addTaskBackground('say', 'addTaskBackground');
//添加后台任务到队列，异步进行？
$client->runTasks();
//运行队列中的任务，只是do系列不需要runTask()。
echo 'result1:';
var_dump($result1);
echo '<br/>';
echo 'result2:';
var_dump($result2);
echo '<br/>';
echo 'result3:';
var_dump($result3);
echo '<br/>';
echo 'result4:';
var_dump($result4);
echo '<br/>';
//绑定回调函数，只对addTask有效
function completeCallBack($task)

 /**
  * Executes an asynchronous request using the driver
  * method.
  * 
  *      // Execute the asynchronous request
  *      $driver->execute($request_async);
  *
  * @param   Request_Async   The asynchronous request to execute
  * @return  Request_Async
  */
 public function execute(Request_Async $request_async)
 {
     // Assign the asynchronous request to this driver
     $this->_request_async = $request_async;
     // Foreach request
     foreach ($request_async as $request) {
         // Add the task to the job
         $task = $this->_gearman_client->addTaskHigh('request_async', serialize($request), Request_Async_Gearman::$context);
         $uuid = $task->unique();
         $this->_requests[$uuid] = $request;
         $this->_task_handles[] = $task;
         $this->_complete[$uuid] = NULL;
     }
     // Run the tasks
     $this->_gearman_client->runTasks();
     // Return request async object
     return $request_async;
 }

 private function _processUpload($uploader, $cid = 0)
 {
     $photoModel = new Models\Photo();
     if ($photoModel->create($uploader, array('cid' => $cid))) {
         $result['id'] = $photoModel->get_pid();
         $result['md5'] = $photoModel->md5;
         $result['width'] = $photoModel->width;
         $result['height'] = $photoModel->height;
         $result['mime'] = $photoModel->mime;
         $result['is_animated'] = $photoModel->is_animated;
         $imgurls = $photoModel->geturi($result['id'], 130);
         $result['src'] = $imgurls[0];
         $thumb = new Thumb();
         $thumb->resize(NULL, $result['id'], 130);
         $client = new GearmanClient();
         $client->addServers(Core::config('job_servers'));
         $client->addTaskLowBackground("thumbnail", serialize(array($result['id'], 320)));
         $client->addTaskLowBackground("thumbnail", serialize(array($result['id'], 780)));
         $client->addTaskLowBackground("thumbnail", serialize(array($result['id'], 1600)));
         @$client->runTasks();
         return $result;
     } else {
         return FALSE;
     }
 }