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Check connection status and attempt to reconnect each each minute 

Signed-off-by: Robin Appelman <robin@icewind.nl>
This commit is contained in:
Robin Appelman 2018-05-08 19:17:19 +02:00
parent fb296342b9
commit 335619f6a4
No known key found for this signature in database
GPG Key ID: 42B69D8A64526EFB
4 changed files with 55 additions and 1 deletions
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1
lib/composer/composer/autoload_classmap.php
View File

@ -597,6 +597,7 @@ return array(
'OC\\DB\\QueryBuilder\\QueryBuilder' => $baseDir . '/lib/private/DB/QueryBuilder/QueryBuilder.php',
'OC\\DB\\QueryBuilder\\QueryFunction' => $baseDir . '/lib/private/DB/QueryBuilder/QueryFunction.php',
'OC\\DB\\QueryBuilder\\QuoteHelper' => $baseDir . '/lib/private/DB/QueryBuilder/QuoteHelper.php',
'OC\\DB\\ReconnectWrapper' => $baseDir . '/lib/private/DB/ReconnectWrapper.php',
'OC\\DB\\SQLiteMigrator' => $baseDir . '/lib/private/DB/SQLiteMigrator.php',
'OC\\DB\\SQLiteSessionInit' => $baseDir . '/lib/private/DB/SQLiteSessionInit.php',
'OC\\DB\\SchemaWrapper' => $baseDir . '/lib/private/DB/SchemaWrapper.php',

1
lib/composer/composer/autoload_static.php
View File

@ -627,6 +627,7 @@ class ComposerStaticInit53792487c5a8370acc0b06b1a864ff4c
'OC\\DB\\QueryBuilder\\QueryBuilder' => __DIR__ . '/../../..' . '/lib/private/DB/QueryBuilder/QueryBuilder.php',
'OC\\DB\\QueryBuilder\\QueryFunction' => __DIR__ . '/../../..' . '/lib/private/DB/QueryBuilder/QueryFunction.php',
'OC\\DB\\QueryBuilder\\QuoteHelper' => __DIR__ . '/../../..' . '/lib/private/DB/QueryBuilder/QuoteHelper.php',
'OC\\DB\\ReconnectWrapper' => __DIR__ . '/../../..' . '/lib/private/DB/ReconnectWrapper.php',
'OC\\DB\\SQLiteMigrator' => __DIR__ . '/../../..' . '/lib/private/DB/SQLiteMigrator.php',
'OC\\DB\\SQLiteSessionInit' => __DIR__ . '/../../..' . '/lib/private/DB/SQLiteSessionInit.php',
'OC\\DB\\SchemaWrapper' => __DIR__ . '/../../..' . '/lib/private/DB/SchemaWrapper.php',

2
lib/private/DB/Connection.php
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@ -43,7 +43,7 @@ use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\IDBConnection;
use OCP\PreConditionNotMetException;
class Connection extends \Doctrine\DBAL\Connection implements IDBConnection {
class Connection extends ReconnectWrapper implements IDBConnection {
/**
* @var string $tablePrefix
*/

52
lib/private/DB/ReconnectWrapper.php Normal file
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@ -0,0 +1,52 @@
<?php
/**
* @copyright Copyright (c) 2018 Robin Appelman <robin@icewind.nl>
*
* @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 OC\DB;
use Doctrine\Common\EventManager;
use Doctrine\DBAL\Configuration;
use Doctrine\DBAL\Driver;
class ReconnectWrapper extends \Doctrine\DBAL\Connection {
const CHECK_CONNECTION_INTERVAL = 60;
private $lastConnectionCheck = null;
public function __construct(array $params, Driver $driver, Configuration $config = null, EventManager $eventManager = null) {
parent::__construct($params, $driver, $config, $eventManager);
$this->lastConnectionCheck = time();
}
public function connect() {
$now = time();
$checkTime = $now - self::CHECK_CONNECTION_INTERVAL;
if ($this->lastConnectionCheck > $checkTime || $this->isTransactionActive()) {
return parent::connect();
} else {
$this->lastConnectionCheck = $now;
if (!$this->ping()) {
$this->close();
}
return parent::connect();
}
}
}