84 lines
2.9 KiB
PHP
84 lines
2.9 KiB
PHP
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<?php
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/**
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* Copyright 2010-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License").
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* You may not use this file except in compliance with the License.
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* A copy of the License is located at
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*
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* http://aws.amazon.com/apache2.0
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*
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* or in the "license" file accompanying this file. This file is distributed
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* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
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* express or implied. See the License for the specific language governing
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* permissions and limitations under the License.
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*/
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namespace Aws\S3;
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use Guzzle\Http\Exception\HttpException;
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use Guzzle\Http\Message\RequestInterface;
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use Guzzle\Http\Message\EntityEnclosingRequestInterface;
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use Guzzle\Http\Message\Response;
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use Guzzle\Plugin\Backoff\BackoffStrategyInterface;
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use Guzzle\Plugin\Backoff\AbstractBackoffStrategy;
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/**
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* Custom S3 exponential backoff checking use to retry 400 responses containing the following reason phrase:
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* "Your socket connection to the server was not read from or written to within the timeout period.".
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* This error has been reported as intermittent/random, and in most cases, seems to occur during the middle of a
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* transfer. This plugin will attempt to retry these failed requests, and if using a local file, will clear the
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* stat cache of the file and set a new content-length header on the upload.
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*/
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class SocketTimeoutChecker extends AbstractBackoffStrategy
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{
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const ERR = 'Your socket connection to the server was not read from or written to within the timeout period';
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/**
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* {@inheridoc}
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*/
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public function __construct(BackoffStrategyInterface $next = null)
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{
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if ($next) {
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$this->setNext($next);
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}
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}
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/**
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* {@inheridoc}
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*/
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public function makesDecision()
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{
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return true;
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}
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/**
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* {@inheritdoc}
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*/
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protected function getDelay(
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$retries,
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RequestInterface $request,
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Response $response = null,
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HttpException $e = null
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) {
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if ($response
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&& $response->getStatusCode() == 400
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&& strpos($response->getBody(), self::ERR)
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) {
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// Check if the request is sending a local file, and if so, clear the stat cache and recalculate the size.
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if ($request instanceof EntityEnclosingRequestInterface) {
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if ($request->getBody()->getWrapper() == 'plainfile') {
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$filename = $request->getBody()->getUri();
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// Clear the cache so that we send accurate file sizes
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clearstatcache(true, $filename);
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$length = filesize($filename);
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$request->getBody()->setSize($length);
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$request->setHeader('Content-Length', $length);
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}
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}
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return true;
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}
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}
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}
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