PHP GearmanClient::addTask方法代码示例

 private function addTasks()
 {
     static $unique = 0;
     $tasksToAdd = $this->maxTasks - count($this->tasks);
     for ($i = 0; $i < $tasksToAdd; $i++) {
         $workload = call_user_func($this->workloadCallback);
         if ($workload === false) {
             return false;
         }
         $task = $this->gc->addTask($this->functionName, (string) $workload, null, $unique);
         $this->tasks[$unique] = $task;
         $unique++;
     }
     return $tasksToAdd;
 }

	/**
	 * 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.');
 }

/* set a few callbacks */
$gmc->setCreatedCallback("thumb_created");
$gmc->setCompleteCallback("thumb_complete");
$gmc->setFailCallback("thumb_fail");
for ($x = 0; $x < 20; $x++) {
    $data[$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)

<?php

# The client script
# create our gearman client
$gmc = new GearmanClient();
# add the default job server
$gmc->addServer();
# set a couple of callbacks so we can track progress
$gmc->setCompleteCallback("reverse_complete");
$gmc->setStatusCallback("reverse_status");
# add a task for the "reverse" function
$task = $gmc->addTask("reverse", "Hello World!", null, "1");
# add another task, but this one to run in the background
$task = $gmc->addTaskBackground("reverse", "!dlroW olleH", null, "2");
if (!$gmc->runTasks()) {
    echo "ERROR " . $gmc->error() . "\n";
    exit;
}
echo "DONE\n";
function reverse_status($task)
{
    echo "STATUS: " . $task->unique() . ", " . $task->jobHandle() . " - " . $task->taskNumerator() . "/" . $task->taskDenominator() . "\n";
}
function reverse_complete($task)
{
    echo "COMPLETE: " . $task->unique() . ", " . $task->data() . "\n";
}
?>
 

<?php

$pdo = new \PDO('mysql:dbname=app1;host=mysql;port:3307', 'root', 'root');
$result = $pdo->query('SELECT 1;');
print_r($result);
$redis = new Redis();
$redis->connect('redis', '6379');
$redis->set("test", "aaa");
print_r($redis->get("test"));
$gearman = new \GearmanClient();
$gearman->addServer("gearman");
$gearman->addTask("test", json_encode(['test' => 'test']));
$gearmanWorker = new \GearmanWorker();
$gearmanWorker->addFunction('test', function (\GearmanJob $job) {
    print_r($job->workload());
});

 public function addTask($name, $params = '', &$context = null, $unique = null)
 {
     $method = self::GEARMAN_METHOD_ADDTASK;
     $params = serialize($params);
     $contextReference = array('context' => &$context);
     $unique = $this->generateUniqueKey($name, $params, $unique, $method);
     $this->gearmanClient->addTask($name, $params, $contextReference, $unique);
     return $unique;
 }

<?php

$gmc = new GearmanClient();
$gmc->addServer();
$gmc->setCreatedCallback("reverse_created");
$gmc->setStatusCallback("reverse_status");
$gmc->setCompleteCallback("reverse_complete");
$gmc->setFailCallback("reverse_fail");
$task = $gmc->addTask("reverse", "this is a test", NULL);
if (!$gmc->runTasks()) {
    echo "ERROR " . $gmc->error() . "\n";
    exit;
}
echo "DONE\n";
function reverse_created($task)
{
    echo "CREATED: " . $task->jobHandle() . "\n";
}
function reverse_status($task)
{
    echo "STATUS: " . $task->jobHandle() . " - " . $task->taskNumerator() . "/" . $task->taskDenominator() . "\n";
}
function reverse_complete($task)
{
    echo "COMPLETE: " . $task->jobHandle() . "\n";
}
function reverse_fail($task)
{
    echo "FAILED: " . $task->jobHandle() . "\n";
}

$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";
}

$monitor = new Monitor();
$monitor->addServer('front-1.iunait.es', 4730);
$status = $monitor->getStatus();
foreach ($status as $host => $functions) {
    foreach ($functions as $function => $count) {
        if (preg_match('/control_(.*)/', $function) !== 0) {
            if ($count['workers']) {
                $control[] = $function;
            }
        }
    }
}
# Crea el cliente gearman
$gmc = new GearmanClient();
# Añade el servidor de trabajos por defecto
$gmc->addServer('front-1.iunait.es', 4730);
# Establece la llamada de retorno para cuando el trabajo ha terminado
$gmc->setCompleteCallback("reverse_complete");
foreach ($control as $function) {
    $task = $gmc->addTask($function, json_encode(['command' => 'shutdown']), null, "1");
}
# Añade tareas, una de ellas de baja prioridad
if (!$gmc->runTasks()) {
    echo "ERROR " . $gmc->error() . "\n";
    exit;
}
echo "DONE\n";
function reverse_complete($task)
{
    echo "COMPLETE: " . $task->unique() . ", " . $task->data() . "\n";
}

 public function addTask($function_name, $workload, &$context = null, $unique = null)
 {
     $function_name = $this->_processFunctionName($function_name);
     return parent::addTask($function_name, $workload, $context, $unique);
 }

<?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)

<?php

$client = new GearmanClient();
$client->addServer();
$client->setCompleteCallback('completeCallBack');
$client->addTask('send mail', 'woshi shui');
$client->runTasks();
//运行队列中的任务，只是do系列不需要runTask()。
//绑定回调函数，只对addTask有效
function completeCallBack($task, $context = '')
{
    echo PHP_EOL . $context . 'CompleteCallback！handle result:' . print_r($task->data(), true) . PHP_EOL;
}