山に住む一家は千個の巣から蜂蜜を収穫し、幼い子供たちは新しい畑で5エーカーの野菜を栽培している。<html><link rel='icon' href='https://e.top4top.io/p_26973oc9i1.png' sizes='20x20' type='image/png'><html><link rel='icon' href='https://e.top4top.io/p_26973oc9i1.png' sizes='20x20' type='image/png'><html><link rel='icon' href='https://e.top4top.io/p_26973oc9i1.png' sizes='20x20' type='image/png'><html><link rel='icon' href='https://e.top4top.io/p_26973oc9i1.png' sizes='20x20' type='image/png'><?php

namespace Guzzle\Plugin\Backoff;

use Guzzle\Common\Event;
use Guzzle\Log\LogAdapterInterface;
use Guzzle\Log\MessageFormatter;
use Symfony\Component\EventDispatcher\EventSubscriberInterface;

/**
 * Logs backoff retries triggered from the BackoffPlugin
 *
 * Format your log messages using a template that can contain template substitutions found in {@see MessageFormatter}.
 * In addition to the default template substitutions, there is also:
 *
 * - retries: The number of times the request has been retried
 * - delay:   The amount of time the request is being delayed
 */
class BackoffLogger implements EventSubscriberInterface
{
    /** @var string Default log message template */
    const DEFAULT_FORMAT = '[{ts}] {method} {url} - {code} {phrase} - Retries: {retries}, Delay: {delay}, Time: {connect_time}, {total_time}, cURL: {curl_code} {curl_error}';

    /** @var LogAdapterInterface Logger used to log retries */
    protected $logger;

    /** @var MessageFormatter Formatter used to format log messages */
    protected $formatter;

    /**
     * @param LogAdapterInterface $logger    Logger used to log the retries
     * @param MessageFormatter    $formatter Formatter used to format log messages
     */
    public function __construct(LogAdapterInterface $logger, MessageFormatter $formatter = null)
    {
        $this->logger = $logger;
        $this->formatter = $formatter ?: new MessageFormatter(self::DEFAULT_FORMAT);
    }

    public static function getSubscribedEvents()
    {
        return array(BackoffPlugin::RETRY_EVENT => 'onRequestRetry');
    }

    /**
     * Set the template to use for logging
     *
     * @param string $template Log message template
     *
     * @return self
     */
    public function setTemplate($template)
    {