/**
* Send the request using passed Promise.
*
* @param PromiseInterface $promise
* @return PromiseInterface
* @resolves mixed
* @rejects Error|Exception|string|null
* @cancels Error|Exception|string|null
*/
protected function send(PromiseInterface $promise)
{
$pid = $this->protocol->getPid();
$origin = $this->protocol->getOrigin();
$message = $this->message;
$channel = $this->channel;
if ($message instanceof Error || $message instanceof Exception) {
$answer = $channel->createProtocol($message->getMessage())->setPid($pid, true)->setException(get_class($message), true);
} else {
$answer = $channel->createProtocol($message)->setPid($pid, true);
}
$this->channel->send($origin, $answer, Channel::MODE_BUFFER_ONLINE);
return $promise->resolve();
}
/**
* @param ProtocolInterface $protocol
* @return bool
*/
protected function handleReceiveResponse(ProtocolInterface $protocol)
{
$pid = $protocol->getPid();
if (!$this->existsRequest($pid)) {
return false;
}
$message = $protocol->getMessage();
$exception = $protocol->getException();
if ($exception === '') {
$this->resolveRequest($pid, $message);
} else {
if ($exception === TaskIncompleteException::class) {
$this->cancelRequest($pid, new ThrowableProxy([$exception, $message]));
} else {
$this->rejectRequest($pid, new ThrowableProxy([$exception, $message]));
}
}
return true;
}
/**
* @param string $name
* @param ProtocolInterface $protocol
* @return bool
*/
public function __invoke($name, ProtocolInterface $protocol)
{
return $protocol->getPid() === $this->pid;
}