/**
* Feed frame from the server
*
* @return An array of commands to be executed by the caller.
*/
public function receiveFrame(Frame $frame)
{
if ('ERROR' === $frame->command) {
throw new ServerErrorException($frame);
}
if ($this->state->isConnecting()) {
if ('CONNECTED' !== $frame->command) {
throw new InvalidFrameException(sprintf("Received frame with command '%s', expected 'CONNECTED'."));
}
$this->state->doneConnecting($frame->getHeader('session'), $frame->getHeader('server'));
return new ConnectionEstablishedCommand();
}
if ($this->state->isDisconnecting()) {
if ('RECEIPT' === $frame->command && $this->state->isDisconnectionReceipt($frame->getHeader('receipt-id'))) {
$this->state->doneDisconnecting();
return new CloseCommand();
}
}
return new NullCommand();
}
public function handleLog(PredisClient $redis, Logger $logger, Frame $frame, AckResolver $resolver)
{
$logger->addInfo(sprintf('Processing job %s', $frame->getHeader('delivery_tag')));
$error = false;
try {
$job = Factory::fromJson($frame->body);
if (!$job instanceof JobInterface) {
$error = true;
}
} catch (RuntimeException $e) {
$error = true;
}
if (!$error) {
$promise = $this->saveJob($redis, $job);
} else {
$promise = $this->saveGarbage($redis, $frame->body);
}
$promise->then(function () use($resolver) {
$resolver->ack();
});
return $promise;
}
public function notifySubscribers(Frame $frame)
{
$subscriptionId = $frame->getHeader('subscription');
if (!isset($this->subscriptions[$subscriptionId])) {
return;
}
$callback = $this->subscriptions[$subscriptionId];
if ('auto' !== $this->acknowledgements[$subscriptionId]) {
$resolver = new AckResolver($this, $subscriptionId, $frame->getHeader('message-id'));
$parameters = array($frame, $resolver);
} else {
$parameters = array($frame);
}
call_user_func_array($callback, $parameters);
}
public function __construct(Frame $frame)
{
parent::__construct(sprintf('%s (%s)', $frame->getHeader('message'), trim($frame->body)));
$this->frame = $frame;
}