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<?php |
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namespace Dazzle\Channel\Record; |
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use Dazzle\Util\Support\TimeSupport; |
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use Dazzle\Throwable\Exception\Runtime\TimeoutException; |
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use Dazzle\Throwable\ThrowableProxy; |
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use Error; |
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use Exception; |
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trait RequestRecordStorage |
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{ |
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/** |
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* @var RequestRecord[] |
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*/ |
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protected $reqs = []; |
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/** |
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* Create RequestRecord. |
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* |
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* @param string $pid |
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* @param callable|null $success |
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* @param callable|null $failure |
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* @param callable|null $cancel |
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* @param float $timeout |
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* @return RequestRecord |
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*/ |
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protected function createRequest($pid, callable $success = null, callable $failure = null, callable $cancel = null, $timeout = 0.0) |
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{ |
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if ($timeout > 0.0) |
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{ |
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$timeout = $timeout * 1000 + TimeSupport::now(); |
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} |
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return new RequestRecord($pid, $success, $failure, $cancel, $timeout); |
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} |
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/** |
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* Check if RequestRecord with given protocol ID exists. |
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* |
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* @param string $pid |
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* @return bool |
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*/ |
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protected function existsRequest($pid) |
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{ |
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return isset($this->reqs[$pid]); |
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} |
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/** |
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* Add new RequestRecord to storage. |
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* |
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* @param string $pid |
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* @param RequestRecord $request |
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*/ |
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protected function addRequest($pid, RequestRecord $request) |
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{ |
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$this->reqs[$pid] = $request; |
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} |
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/** |
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* Return RequestRecord if it exists or null if it does not exist. |
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* |
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* @param string $pid |
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* @return RequestRecord|null |
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*/ |
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protected function getRequest($pid) |
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{ |
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return $this->reqs[$pid]; |
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} |
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/** |
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* Resolve RequestRecord if it exists that has protocol ID equal to $pid. |
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* |
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* @param string $pid |
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* @param string $message |
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*/ |
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protected function resolveRequest($pid, $message) |
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{ |
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$callback = $this->reqs[$pid]->onSuccess(); |
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unset($this->reqs[$pid]); |
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$callback($message); |
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} |
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/** |
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* Reject RequestRecord if it exists that has protocol ID equal to $pid. |
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* |
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* @param string $pid |
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* @param Error|Exception|ThrowableProxy $ex |
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*/ |
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protected function rejectRequest($pid, $ex) |
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{ |
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$callback = $this->reqs[$pid]->onFailure(); |
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unset($this->reqs[$pid]); |
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$callback($ex); |
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} |
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/** |
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* Cancel RequestRecord if it exists that has protocol ID equal to $pid. |
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* |
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* @param string $pid |
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* @param Error|Exception|ThrowableProxy $ex |
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*/ |
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protected function cancelRequest($pid, $ex) |
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{ |
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$callback = $this->reqs[$pid]->onCancel(); |
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unset($this->reqs[$pid]); |
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$callback($ex); |
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} |
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/** |
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* Cancel overdue Requests. |
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*/ |
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protected function expireRequests() |
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{ |
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$now = TimeSupport::now(); |
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$expiredReqs = []; |
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foreach ($this->reqs as $pid=>$request) |
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{ |
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if ($now >= $request->getTimeout()) |
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{ |
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$expiredReqs[] = $request; |
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} |
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} |
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foreach ($expiredReqs as $request) |
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{ |
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unset($this->reqs[$request->getPid()]); |
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} |
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foreach ($expiredReqs as $request) |
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{ |
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$request->cancel(new ThrowableProxy(new TimeoutException("RequestRecord has expired."))); |
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} |
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} |
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} |
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dazzle-php /
channel
