/**
* Decide how to process given operation
*
* @param RequestDescriptor $requestDescriptor Operation to decide
* @param int $totalItems Total amount of pending requestDescriptors
*
* @return int One of LimitationSolverInterface::DECISION_* consts
*/
private function decide(RequestDescriptor $requestDescriptor, $totalItems)
{
$meta = $requestDescriptor->getMetadata();
if ($requestDescriptor->isRunning()) {
return LimitationSolverInterface::DECISION_SKIP_CURRENT;
}
$isSkippingThis = $meta[RequestExecutorInterface::META_CONNECTION_START_TIME] !== null;
if ($isSkippingThis) {
return LimitationSolverInterface::DECISION_SKIP_CURRENT;
}
$decision = $this->decider->decide($this->executor, $requestDescriptor->getSocket(), $totalItems);
if ($decision !== LimitationSolverInterface::DECISION_OK) {
return $decision;
}
return LimitationSolverInterface::DECISION_OK;
}
/** {@inheritdoc} */
public function executeRequest()
{
if ($this->isExecuting()) {
throw new \BadMethodCallException('Request is already in progress');
}
$this->isRequestStopped = false;
$this->solver = $this->solver ?: new NoLimitationSolver();
$this->isExecuting = true;
$eventCaller = new EventCaller($this);
try {
foreach ($this->eventHandlers as $handler) {
$eventCaller->addHandler($handler);
}
if ($this->solver instanceof EventHandlerInterface) {
$eventCaller->addHandler($this->solver);
}
$this->initializeRequest($eventCaller);
$eventCaller->addHandler($this);
$this->solver->initialize($this);
$this->doExecuteRequest($eventCaller);
$this->solver->finalize($this);
$this->terminateRequest();
} catch (StopRequestExecuteException $e) {
$this->isRequestStopInProgress = true;
$this->disconnectItems($this->socketBag->getItems());
} catch (SocketException $e) {
foreach ($this->socketBag->getItems() as $item) {
$eventCaller->setCurrentOperation($item);
$eventCaller->callExceptionSubscribers($item, $e);
}
$this->disconnectItems($this->socketBag->getItems());
} catch (\Exception $e) {
$this->isExecuting = false;
$this->emergencyShutdown();
$this->solver->finalize($this);
$this->terminateRequest();
throw $e;
}
$this->solver->finalize($this);
$this->terminateRequest();
$this->isExecuting = false;
}
