/**
* Listen on the socket for work
*
* Sends the 'grab_job' command and then listens for either the 'noop' or
* the 'no_job' command to come back. If the 'job_assign' comes down the
* pipe then we run that job.
*
* @param resource $socket The socket to work on
*
* @return boolean Returns true if work was done, false if not
* @throws Net_Gearman_Exception
* @see Net_Gearman_Connection::send()
*/
protected function doWork($socket)
{
Net_Gearman_Connection::send($socket, 'grab_job');
$resp = array('function' => 'noop');
while (count($resp) && $resp['function'] == 'noop') {
$resp = Net_Gearman_Connection::blockingRead($socket);
}
if (in_array($resp['function'], array('noop', 'no_job'))) {
return false;
}
if ($resp['function'] != 'job_assign') {
throw new Net_Gearman_Exception('Holy Cow! What are you doing?!');
}
$name = $resp['data']['func'];
$handle = $resp['data']['handle'];
$arg = array();
if (isset($resp['data']['arg']) && Net_Gearman_Connection::stringLength($resp['data']['arg'])) {
$arg = json_decode($resp['data']['arg'], true);
if ($arg === null) {
$arg = $resp['data']['arg'];
}
}
$job = Net_Gearman_Job::factory($name, $socket, $handle);
try {
$this->start($handle, $name, $arg);
$res = $job->run($arg);
if (!is_array($res)) {
$res = array('result' => $res);
}
$job->complete($res);
$this->complete($handle, $name, $res);
} catch (Net_Gearman_Job_Exception $e) {
$job->fail();
$this->fail($handle, $name, $e);
}
// Force the job's destructor to run
$job = null;
return true;
}
/**
* Listen on the socket for work
*
* Sends the 'grab_job' command and then listens for either the 'noop' or
* the 'no_job' command to come back. If the 'job_assign' comes down the
* pipe then we run that job.
*
* @param resource $socket The socket to work on
*
* @return boolean Returns true if work was done, false if not
* @throws Net_Gearman_Exception
* @see Net_Gearman_Connection::send()
*/
protected function doWork($socket)
{
Net_Gearman_Connection::send($socket, 'grab_job');
$resp = array('function' => 'noop');
while (count($resp) && $resp['function'] == 'noop') {
$resp = Net_Gearman_Connection::blockingRead($socket);
}
/**
* The response can be empty during shut down. We don't need to proceed
* in those cases.
*/
if (!is_array($resp) || empty($resp) || in_array($resp['function'], array('noop', 'no_job'))) {
return false;
}
if ($resp['function'] != 'job_assign') {
throw new Net_Gearman_Exception('Holy Cow! What are you doing?!');
}
$name = $resp['data']['func'];
$handle = $resp['data']['handle'];
$arg = array();
if (isset($resp['data']['arg']) && Net_Gearman_Connection::stringLength($resp['data']['arg'])) {
$arg = json_decode($resp['data']['arg'], true);
if ($arg === null) {
$arg = $resp['data']['arg'];
}
}
try {
$job = Net_Gearman_Job::factory($name, $socket, $handle, $this->initParams[$name]);
$this->start($handle, $name, $arg);
$res = $job->run($arg);
if (!is_array($res)) {
$res = array('result' => $res);
}
$job->complete($res);
$this->complete($handle, $name, $res);
} catch (Net_Gearman_Job_Exception $e) {
// If the factory method call fails, we won't have a job.
if (isset($job) && $job instanceof Net_Gearman_Job) {
$job->fail();
}
$this->fail($handle, $name, $e);
throw new Net_Gearman_Job_Exception('failed need restart!');
}
// Force the job's destructor to run
$job = null;
return true;
}
