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<?php
/**
* @copyright Copyright (c) 2016 Bjoern Schiessle <bjoern@schiessle.org>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\LookupServerConnector\BackgroundJobs;
use OCP\AppFramework\Utility\ITimeFactory;
use OCP\BackgroundJob\Job;
use OCP\BackgroundJob\IJobList;
use OCP\Http\Client\IClientService;
use OCP\IConfig;
use OCP\ILogger;
class RetryJob extends Job {
/** @var IClientService */
private $clientService;
/** @var IJobList */
private $jobList;
/** @var string */
private $lookupServer;
/** @var int how much time should be between two, will be increased for each retry */
private $interval = 100;
/** @var IConfig */
private $config;
/**
* @param ITimeFactory $time
* @param IClientService $clientService
* @param IJobList $jobList
* @param IConfig $config
*/
public function __construct(ITimeFactory $time,
IClientService $clientService,
IJobList $jobList,
IConfig $config) {
parent::__construct($time);
$this->clientService = $clientService;
$this->jobList = $jobList;
$this->config = $config;
if ($config->getSystemValue('has_internet_connection', true) === false) {
return;
}
$this->lookupServer = $config->getSystemValue('lookup_server', 'https://lookup.nextcloud.com');
if (!empty($this->lookupServer)) {
$this->lookupServer = rtrim($this->lookupServer, '/');
$this->lookupServer .= '/users';
}
}
/**
* run the job, then remove it from the jobList
*
* @param IJobList $jobList
* @param ILogger|null $logger
*/
public function execute($jobList, ILogger $logger = null): void {
if ($this->shouldRun($this->argument)) {
parent::execute($jobList, $logger);
$jobList->remove($this, $this->argument);
}
}
protected function run($argument): void {
if ($this->killBackgroundJob((int)$argument['retryNo'])) {
return;
}
$client = $this->clientService->newClient();
try {
if (count($argument['dataArray']) === 1) {
$client->delete($this->lookupServer,
[
'body' => json_encode($argument['dataArray']),
'timeout' => 10,
'connect_timeout' => 3,
]
);
} else {
$client->post($this->lookupServer,
[
'body' => json_encode($argument['dataArray']),
'timeout' => 10,
'connect_timeout' => 3,
]
);
}
} catch (\Exception $e) {
$this->jobList->add(self::class,
[
'dataArray' => $argument['dataArray'],
'retryNo' => $argument['retryNo'] + 1,
'lastRun' => $this->time->getTime(),
]
);
}
}
/**
* test if it is time for the next run
*
* @param array $argument
* @return bool
*/
protected function shouldRun(array $argument): bool {
$retryNo = (int)$argument['retryNo'];
$delay = $this->interval * 6 ** $retryNo;
return !isset($argument['lastRun']) || (($this->time->getTime() - $argument['lastRun']) > $delay);
}
/**
* check if we should kill the background job
*
* The lookup server should no longer be contacted if:
*
* - max retries are reached (set to 5)
* - lookup server was disabled by the admin
* - no valid lookup server URL given
*
* @param int $retryCount
* @return bool
*/
protected function killBackgroundJob(int $retryCount): bool {
$maxTriesReached = $retryCount >= 5;
$lookupServerDisabled = $this->config->getAppValue('files_sharing', 'lookupServerUploadEnabled', 'yes') !== 'yes';
return $maxTriesReached || $lookupServerDisabled || empty($this->lookupServer);
}
}
|
