<?php
namespace Guzzle\Plugin\Backoff;
use Guzzle\Http\Message\RequestInterface;
use Guzzle\Http\Message\Response;
use Guzzle\Http\Exception\HttpException;
/**
* Strategy to determine if a request should be retried and how long to delay between retries
*/
interface BackoffStrategyInterface
{
/**
* Get the amount of time to delay in seconds before retrying a request
*
* @param int $retries Number of retries of the request
* @param RequestInterface $request Request that was sent
* @param Response $response Response that was received. Note that there may not be a response
* @param HttpException $e Exception that was encountered if any
*
* @return bool|int Returns false to not retry or the number of seconds to delay between retries
*/
public function getBackoffPeriod(
$retries,
RequestInterface $request,
Response $response = null,
HttpException $e = null
);
}