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add seperate config option for locking memcache backend

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This commit is contained in:
Robin Appelman 2015-05-26 14:41:37 +02:00
parent 72847dbc77
commit 6b965d71d1
3 changed files with 31 additions and 3 deletions
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6
config/config.sample.php
View file

@ -1039,6 +1039,12 @@ $CONFIG = array(
*/
'filelocking.enabled' => false,
/**
* Memory caching backend for file locking
* Because most memcache backends can clean values without warning using redis is recommended
*/
'memcache.locking' => '\OC\Memcache\Redis',
/**
* This entry is just here to show a warning in case somebody copied the sample
* configuration. DO NOT ADD THIS SWITCH TO YOUR CONFIGURATION!

23
lib/private/memcache/factory.php
View file

@ -46,13 +46,19 @@ class Factory implements ICacheFactory {
*/
private $distributedCacheClass;
/**
* @var string $lockingCacheClass
*/
private $lockingCacheClass;
/**
* @param string $globalPrefix
* @param string|null $localCacheClass
* @param string|null $distributedCacheClass
* @param string|null $lockingCacheClass
*/
public function __construct($globalPrefix,
$localCacheClass = null, $distributedCacheClass = null)
$localCacheClass = null, $distributedCacheClass = null, $lockingCacheClass = null)
{
$this->globalPrefix = $globalPrefix;
@ -62,8 +68,23 @@ class Factory implements ICacheFactory {
if (!($distributedCacheClass && $distributedCacheClass::isAvailable())) {
$distributedCacheClass = $localCacheClass;
}
if (!($lockingCacheClass && $lockingCacheClass::isAvailable())) {
// dont fallback since the fallback might not be suitable for storing lock
$lockingCacheClass = '\OC\Memcache\Null';
}
$this->localCacheClass = $localCacheClass;
$this->distributedCacheClass = $distributedCacheClass;
$this->lockingCacheClass = $lockingCacheClass;
}
/**
* create a cache instance for storing locks
*
* @param string $prefix
* @return \OCP\IMemcache
*/
public function createLocking($prefix = '') {
return new $this->lockingCacheClass($this->globalPrefix . '/' . $prefix);
}
/**

5
lib/private/server.php
View file

@ -234,7 +234,8 @@ class Server extends SimpleContainer implements IServerContainer {
$prefix = md5($instanceId.'-'.$version.'-'.$path);
return new \OC\Memcache\Factory($prefix,
$config->getSystemValue('memcache.local', null),
$config->getSystemValue('memcache.distributed', null)
$config->getSystemValue('memcache.distributed', null),
$config->getSystemValue('memcache.locking', null)
);
}
@ -426,7 +427,7 @@ class Server extends SimpleContainer implements IServerContainer {
if ($c->getConfig()->getSystemValue('filelocking.enabled', false) or (defined('PHPUNIT_RUN') && PHPUNIT_RUN)) {
/** @var \OC\Memcache\Factory $memcacheFactory */
$memcacheFactory = $c->getMemCacheFactory();
$memcache = $memcacheFactory->createDistributed('lock');
$memcache = $memcacheFactory->createLocking('lock');
if (!($memcache instanceof \OC\Memcache\Null)) {
return new MemcacheLockingProvider($memcache);
}