112 lines
2.8 KiB
PHP
112 lines
2.8 KiB
PHP
<?php
|
|
/**
|
|
* Copyright 2017 Google Inc.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
namespace Google\Cloud\Core;
|
|
|
|
use GuzzleHttp\Exception\RequestException;
|
|
|
|
/**
|
|
* Provides methods for deciding if a request should be retried.
|
|
*/
|
|
trait RetryDeciderTrait
|
|
{
|
|
use JsonTrait;
|
|
|
|
/**
|
|
* @var array
|
|
*/
|
|
private $httpRetryCodes = [
|
|
500,
|
|
502,
|
|
503
|
|
];
|
|
|
|
/**
|
|
* @var array
|
|
*/
|
|
private $httpRetryMessages = [
|
|
'rateLimitExceeded',
|
|
'userRateLimitExceeded'
|
|
];
|
|
|
|
/**
|
|
* Determines whether or not the request should be retried.
|
|
*
|
|
* @param bool $shouldRetryMessages Whether or not to attempt retrying based
|
|
* on the failure message.
|
|
* @return callable
|
|
*/
|
|
private function getRetryFunction($shouldRetryMessages = true)
|
|
{
|
|
$httpRetryCodes = $this->httpRetryCodes;
|
|
$httpRetryMessages = $this->httpRetryMessages;
|
|
|
|
return function (\Exception $ex) use ($httpRetryCodes, $httpRetryMessages, $shouldRetryMessages) {
|
|
$statusCode = $ex->getCode();
|
|
|
|
if (in_array($statusCode, $httpRetryCodes)) {
|
|
return true;
|
|
}
|
|
|
|
if (!$shouldRetryMessages) {
|
|
return false;
|
|
}
|
|
|
|
$message = ($ex instanceof RequestException && $ex->hasResponse())
|
|
? (string) $ex->getResponse()->getBody()
|
|
: $ex->getMessage();
|
|
|
|
try {
|
|
$message = $this->jsonDecode(
|
|
$message,
|
|
true
|
|
);
|
|
} catch (\InvalidArgumentException $ex) {
|
|
return false;
|
|
}
|
|
|
|
if (!isset($message['error']['errors'])) {
|
|
return false;
|
|
}
|
|
|
|
foreach ($message['error']['errors'] as $error) {
|
|
if (in_array($error['reason'], $httpRetryMessages)) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
};
|
|
}
|
|
|
|
/**
|
|
* @param array $codes
|
|
*/
|
|
private function setHttpRetryCodes(array $codes)
|
|
{
|
|
$this->httpRetryCodes = $codes;
|
|
}
|
|
|
|
/**
|
|
* @param array $messages
|
|
*/
|
|
private function setHttpRetryMessages(array $messages)
|
|
{
|
|
$this->httpRetryMessages = $messages;
|
|
}
|
|
}
|