www.gusucode.com > CKFinder 文件管理器PHP版 v3.0源码程序 > code/core/connector/php/vendor/guzzle/guzzle/src/Guzzle/Plugin/Backoff/ExponentialBackoffStrategy.php
<?php namespace Guzzle\Plugin\Backoff; use Guzzle\Http\Message\RequestInterface; use Guzzle\Http\Message\Response; use Guzzle\Http\Exception\HttpException; /** * Implements an exponential backoff retry strategy. * * Warning: If no decision making strategies precede this strategy in the the chain, then all requests will be retried */ class ExponentialBackoffStrategy extends AbstractBackoffStrategy { public function makesDecision() { return false; } protected function getDelay($retries, RequestInterface $request, Response $response = null, HttpException $e = null) { return (int) pow(2, $retries); } }