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<?php
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/*
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 * This file is part of the Monolog package.
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 *
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 * (c) Jordi Boggiano <j.boggiano@seld.be>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace Monolog\Handler\Curl;
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class Util
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{
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    private static $retriableErrorCodes = array(
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        CURLE_COULDNT_RESOLVE_HOST,
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        CURLE_COULDNT_CONNECT,
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        CURLE_HTTP_NOT_FOUND,
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        CURLE_READ_ERROR,
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        CURLE_OPERATION_TIMEOUTED,
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        CURLE_HTTP_POST_ERROR,
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        CURLE_SSL_CONNECT_ERROR,
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    );
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    /**
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     * Executes a CURL request with optional retries and exception on failure
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     *
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     * @param  resource          $ch curl handler
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     * @throws \RuntimeException
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     */
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    public static function execute($ch, $retries = 5, $closeAfterDone = true)
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    {
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        while ($retries--) {
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            if (curl_exec($ch) === false) {
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                $curlErrno = curl_errno($ch);
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                if (false === in_array($curlErrno, self::$retriableErrorCodes, true) || !$retries) {
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                    $curlError = curl_error($ch);
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                    if ($closeAfterDone) {
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                        curl_close($ch);
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                    }
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                    throw new \RuntimeException(sprintf('Curl error (code %s): %s', $curlErrno, $curlError));
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                }
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                continue;
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            }
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            if ($closeAfterDone) {
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                curl_close($ch);
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            }
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            break;
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        }
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    }
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}