所有 Google Ads API 服務都有預設設定,包括傳輸所用的逾時。任何 Google Ads API 版本的服務都有專屬的 JSON 檔案,並在服務和方法層級定義這些預設設定。舉例來說,您可以在這裡找到與最新版 Google Ads API 相關的檔案。
預設設定足以滿足大多數用途,但有時可能會需要覆寫。PHP 適用的用戶端程式庫支援用於覆寫伺服器串流和一元呼叫的逾時設定。
您可以將逾時時間設為 2 小時以上,但 API 仍有可能逾時的執行時間過長的要求,並傳回 DEADLINE_EXCEEDED
錯誤。
覆寫伺服器串流呼叫的逾時設定
唯一會使用此呼叫類型的 Google Ads API 服務方法為 GoogleAdsService.SearchStream
。如要覆寫預設的逾時時間,您必須在呼叫方法時新增額外參數:
private static function makeServerStreamingCall( GoogleAdsClient $googleAdsClient, int $customerId ) { $googleAdsServiceClient = $googleAdsClient->getGoogleAdsServiceClient(); // Creates a query that retrieves all campaign IDs. $query = 'SELECT campaign.id FROM campaign'; $output = ''; try { // Issues a search stream request by setting a custom client timeout. /** @var GoogleAdsServerStreamDecorator $stream */ $stream = $googleAdsServiceClient->searchStream( SearchGoogleAdsStreamRequest::build($customerId, $query), [ // Any server streaming call has a default timeout setting. For this // particular call, the default setting can be found in the following file: // https://github.com/googleads/google-ads-php/blob/master/src/Google/Ads/GoogleAds/V17/Services/resources/google_ads_service_client_config.json. // // When making a server streaming call, an optional argument is provided and can // be used to override the default timeout setting with a given value. 'timeoutMillis' => self::CLIENT_TIMEOUT_MILLIS ] ); // Iterates over all rows in all messages and collects the campaign IDs. foreach ($stream->iterateAllElements() as $googleAdsRow) { /** @var GoogleAdsRow $googleAdsRow */ $output .= ' ' . $googleAdsRow->getCampaign()->getId(); } print 'The server streaming call completed before the timeout.' . PHP_EOL; } catch (ApiException $exception) { if ($exception->getStatus() === ApiStatus::DEADLINE_EXCEEDED) { print 'The server streaming call did not complete before the timeout.' . PHP_EOL; } else { // Bubbles up if the exception is not about timeout. throw $exception; } } finally { print 'All campaign IDs retrieved:' . ($output ?: ' None') . PHP_EOL; } }
覆寫單行呼叫的逾時時間
大部分的 Google Ads API 服務方法都使用一元呼叫,一般範例為 GoogleAdsService.Search
和 GoogleAdsService.Mutate
。如要覆寫預設的逾時時間,您必須在呼叫方法時新增額外參數:
private static function makeUnaryCall(GoogleAdsClient $googleAdsClient, int $customerId) { $googleAdsServiceClient = $googleAdsClient->getGoogleAdsServiceClient(); // Creates a query that retrieves all campaign IDs. $query = 'SELECT campaign.id FROM campaign'; $output = ''; try { // Issues a search request by setting a custom client timeout. $response = $googleAdsServiceClient->search( SearchGoogleAdsRequest::build($customerId, $query), [ // Any unary call is retryable and has default retry settings. // Complete information about these settings can be found here: // https://googleapis.github.io/gax-php/master/Google/ApiCore/RetrySettings.html. // For this particular call, the default retry settings can be found in the // following file: // https://github.com/googleads/google-ads-php/blob/master/src/Google/Ads/GoogleAds/V17/Services/resources/google_ads_service_client_config.json. // // When making an unary call, an optional argument is provided and can be // used to override the default retry settings with given values. 'retrySettings' => [ // Sets the maximum accumulative timeout of the call, it includes all tries. 'totalTimeoutMillis' => self::CLIENT_TIMEOUT_MILLIS, // Sets the timeout that is used for the first try to one tenth of the // maximum accumulative timeout of the call. // Note: This overrides the default value and can lead to // RequestError.RPC_DEADLINE_TOO_SHORT errors when too small. We recommend // to do it only if necessary. 'initialRpcTimeoutMillis' => self::CLIENT_TIMEOUT_MILLIS / 10, // Sets the maximum timeout that can be used for any given try to one fifth // of the maximum accumulative timeout of the call (two times greater than // the timeout that is used for the first try). 'maxRpcTimeoutMillis' => self::CLIENT_TIMEOUT_MILLIS / 5 ] ] ); // Iterates over all rows in all messages and collects the campaign IDs. foreach ($response->iterateAllElements() as $googleAdsRow) { /** @var GoogleAdsRow $googleAdsRow */ $output .= ' ' . $googleAdsRow->getCampaign()->getId(); } print 'The unary call completed before the timeout.' . PHP_EOL; } catch (ApiException $exception) { if ($exception->getStatus() === ApiStatus::DEADLINE_EXCEEDED) { print 'The unary call did not complete before the timeout.' . PHP_EOL; } else { // Bubbles up if the exception is not about timeout. throw $exception; } } finally { print 'All campaign IDs retrieved:' . ($output ?: ' None') . PHP_EOL; } }