/**
* Execution method always used for tasks
*
* @return void
*/
public function execute()
{
Configure::write('debug', $this->params['debug']);
if (empty($this->params['queue'])) {
$this->cakeError('error', array(array('code' => '', 'name' => '', 'message' => 'No queue set')));
}
$status = DJJob::status($this->params['queue']);
foreach ($status as $name => $count) {
$this->out(sprintf("%s Jobs: %d", Inflector::humanize($name), $count));
}
}
/**
* Override startup
*
* @access public
*/
public function startup()
{
parent::startup();
ini_set('unserialize_callback_func', 'unserialize_jobs');
$connection = ConnectionManager::getDataSource($this->params['connection']);
if ($this->params['type'] == 'mysql') {
DJJob::setConnection($connection->getConnection());
} else {
DJJob::configure(implode(';', array("{$this->params['type']}:host={$connection->config['host']}", "dbname={$connection->config['database']}", "port={$connection->config['port']}", "user={$connection->config['login']}", "password={$connection->config['password']}")));
}
}
protected function setupDJJob()
{
$config = Mage::getConfig()->getResourceConnectionConfig("default_setup");
$dsn = "";
if (strpos($config->host, '/') !== false) {
$dsn = "mysql:unix_socket=" . $config->host . ";dbname=" . $config->dbname;
} else {
$dsn = "mysql:host=" . $config->host . ";dbname=" . $config->dbname . ";port=" . $config->port;
}
DJJob::configure($dsn, array('mysql_user' => $config->username, 'mysql_pass' => $config->password));
if (!empty($config->initStatements)) {
DJJob::runQuery($config->initStatements);
}
}
/**
* Returns an array containing the status of a given queue
*
* @param Model $Model Model using the behavior
* @param string $queue
* @return array
**/
public function status(Model $Model, $queue = "default")
{
return DJJob::status($queue);
}
echo "Hello {$this->name}!\n";
sleep(1);
}
}
class FailingJob
{
public function perform()
{
sleep(1);
throw new Exception("Uh oh");
}
}
$status = DJJob::status();
assert('$status["outstanding"] == 0', "Initial outstanding status is incorrect");
assert('$status["locked"] == 0', "Initial locked status is incorrect");
assert('$status["failed"] == 0', "Initial failed status is incorrect");
assert('$status["total"] == 0', "Initial total status is incorrect");
printf("=====================\nStarting run of DJJob\n=====================\n\n");
DJJob::enqueue(new HelloWorldJob("delayed_job"));
DJJob::bulkEnqueue(array(new HelloWorldJob("shopify"), new HelloWorldJob("github")));
DJJob::enqueue(new FailingJob());
// Test unicode support using the classic, rails snowman: http://www.fileformat.info/info/unicode/char/2603/browsertest.htm
DJJob::enqueue(new HelloWorldJob(html_entity_decode("☃", ENT_HTML5, "UTF-8")));
$worker = new DJWorker(array("count" => 5, "max_attempts" => 2, "sleep" => 10));
$worker->start();
printf("\n============\nRun complete\n============\n\n");
$status = DJJob::status();
assert('$status["outstanding"] == 0', "Final outstanding status is incorrect");
assert('$status["locked"] == 0', "Final locked status is incorrect");
assert('$status["failed"] == 1', "Final failed status is incorrect");
assert('$status["total"] == 1', "Final total status is incorrect");
/**
* Returns a new job ordered by most recent first
* why this?
* run newest first, some jobs get left behind
* run oldest first, all jobs get left behind
* @return DJJob
*/
public function getNewJob()
{
# we can grab a locked job if we own the lock
$rs = $this->runQuery("\n SELECT id\n FROM " . self::$jobsTable . "\n WHERE queue = ?\n AND (run_at IS NULL OR NOW() >= run_at)\n AND (locked_at IS NULL OR locked_by = ?)\n AND failed_at IS NULL\n AND attempts < ?\n ORDER BY created_at DESC\n LIMIT 10\n ", array($this->queue, $this->name, $this->max_attempts));
// randomly order the 10 to prevent lock contention among workers
shuffle($rs);
foreach ($rs as $r) {
$job = new DJJob($this->name, $r["id"], array("max_attempts" => $this->max_attempts, "fail_on_output" => $this->fail_on_output));
if ($job->acquireLock()) {
return $job;
}
}
return false;
}
/**
* Enables requeing of an email
*
* @param datetime $sendAt MySQL-compatible datetime
* @param string $queue Name of queue
* @return void
*/
public function sendLater($sendAt = null, $queue = "email")
{
DJJob::enqueue($this, $queue, $sendAt);
}
require dirname(__FILE__) . "/../DJJob.php";
DJJob::configure("mysql:host=127.0.0.1;dbname=djjob", array("mysql_user" => "root", "mysql_pass" => ""));
DJJob::runQuery("\nDROP TABLE IF EXISTS `jobs`;\nCREATE TABLE `jobs` (\n`id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,\n`handler` VARCHAR(255) NOT NULL,\n`queue` VARCHAR(255) NOT NULL DEFAULT 'default',\n`attempts` INT UNSIGNED NOT NULL DEFAULT 0,\n`run_at` DATETIME NULL,\n`locked_at` DATETIME NULL,\n`locked_by` VARCHAR(255) NULL,\n`failed_at` DATETIME NULL,\n`error` VARCHAR(255) NULL,\n`created_at` DATETIME NOT NULL\n) ENGINE = MEMORY;\n");
class HelloWorldJob
{
public function __construct($name)
{
$this->name = $name;
}
public function perform()
{
echo "Hello {$this->name}!\n";
sleep(1);
}
}
class FailingJob
{
public function perform()
{
sleep(1);
throw new Exception("Uh oh");
}
}
var_dump(DJJob::status());
DJJob::enqueue(new HelloWorldJob("delayed_job"));
DJJob::bulkEnqueue(array(new HelloWorldJob("shopify"), new HelloWorldJob("github")));
DJJob::enqueue(new FailingJob());
$worker = new DJWorker(array("count" => 5, "max_attempts" => 2, "sleep" => 10));
$worker->start();
var_dump(DJJob::status());
/**
* Returns an array containing the status of a given queue
*
* @param string $queue
* @return array
**/
function status($queue = "default")
{
return DJJob::status($queue);
}