/**
* Poll stdin for Supervisord notifications and dispatch notifications to
* the callback function which should accept this object (EventListener) as
* its first parameter and an EventNotification as its second. The callback
* should return TRUE if it was successful, FALSE on failure, or 'quit' to
* break from the event listener loop.
*
* @param Closure|array Closure callback
*/
public function listen($callback)
{
$this->sendReady();
while (true) {
if (!($input = trim($this->readLine()))) {
continue;
}
$headers = EventNotification::parseData($input);
$payload = fread($this->inputStream, (int) $headers['len']);
$notification = new EventNotification($input, $payload, $headers);
$result = call_user_func($callback, $this, $notification);
if (true === $result) {
$this->sendComplete();
} else {
if (false === $result) {
$this->sendFail();
} else {
if ($result == 'quit') {
break;
}
}
}
$this->sendReady();
}
}
/**
* Poll stdin for Supervisord notifications and dispatch notifications to
* the callback function which should accept this object (EventListener) as
* its first parameter and an EventNotification as its second. The callback
* should return TRUE if it was successful, FALSE on failure, or 'quit' to
* break from the event listener loop.
*
* @param Closure|array Closure callback
*/
public function listen($callback)
{
$this->sendReady();
while (true) {
if (!($input = trim($this->readLine()))) {
continue;
}
$headers = EventNotification::parseData($input);
// PHP 5.6 doesn't deal gracefully with this causing a buffer overflow
$payload = '';
if (isset($headers['len'])) {
$payload = fread($this->inputStream, (int) $headers['len']);
}
$notification = new EventNotification($input, $payload, $headers);
$result = call_user_func($callback, $this, $notification);
if (true === $result) {
$this->sendComplete();
} else {
if (false === $result) {
$this->sendFail();
} else {
if ($result == 'quit') {
break;
}
}
}
$this->sendReady();
}
}
