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friendica-5847 Console Cache List command doesn't work

- Added $prefix to all CacheDriver
- Moved hostname magic to CacheDriver
- Added test for getAllKeys()
This commit is contained in:
Philipp Holzer 2018-10-07 00:27:54 +02:00
parent 1551570b7f
commit 3f0f3b6ae6
No known key found for this signature in database
GPG key ID: 517BE60E2CE5C8A5
15 changed files with 131 additions and 48 deletions

View file

@ -51,20 +51,15 @@ class Cache extends \Friendica\BaseObject
/**
* @brief Returns all the cache keys sorted alphabetically
*
* @param string $prefix Prefix of the keys (optional)
*
* @return array|null Null if the driver doesn't support this feature
*/
public static function getAllKeys()
public static function getAllKeys($prefix = null)
{
$time = microtime(true);
$return = self::getDriver()->getAllKeys();
// Keys are prefixed with the node hostname, let's remove it
array_walk($return, function (&$value) {
$value = preg_replace('/^' . self::getApp()->get_hostname() . ':/', '', $value);
});
sort($return);
$return = self::getDriver()->getAllKeys($prefix);
self::getApp()->save_timestamp($time, 'cache');

View file

@ -17,8 +17,55 @@ abstract class AbstractCacheDriver extends BaseObject
* @param string $key The original key
* @return string The cache key used for the cache
*/
protected function getCacheKey($key) {
protected function getCacheKey($key)
{
// We fetch with the hostname as key to avoid problems with other applications
return self::getApp()->get_hostname() . ":" . $key;
}
/**
* @param array $keys A list of cached keys
* @return array A list of original keys
*/
protected function getOriginalKeys($keys)
{
if (empty($keys)) {
return [];
} else {
// Keys are prefixed with the node hostname, let's remove it
array_walk($keys, function (&$value) {
$value = preg_replace('/^' . self::getApp()->get_hostname() . ':/', '', $value);
});
sort($keys);
return $keys;
}
}
/**
* Filters a list for a given prefix
*
* @param array $list the list
* @param string|null $prefix the prefix
*
* @return array the filtered list
*/
protected function filterPrefix($list, $prefix = null)
{
if (empty($prefix)) {
return array_keys($list);
} else {
$result = [];
foreach (array_keys($list) as $key) {
if (strpos($key, $prefix) === 0) {
array_push($result, $key);
}
}
return $result;
}
}
}

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@ -22,9 +22,9 @@ class ArrayCache extends AbstractCacheDriver implements IMemoryCacheDriver
/**
* (@inheritdoc)
*/
public function getAllKeys()
public function getAllKeys($prefix = null)
{
return array_keys($this->cachedData);
return $this->filterPrefix($this->cachedData, $prefix);
}
/**

View file

@ -16,11 +16,23 @@ class DatabaseCacheDriver extends AbstractCacheDriver implements ICacheDriver
/**
* (@inheritdoc)
*/
public function getAllKeys()
public function getAllKeys($prefix = null)
{
$stmt = DBA::select('cache', ['k'], ['`expires` >= ?', DateTimeFormat::utcNow()]);
if (empty($prefix)) {
$where = ['`expires` >= ?', DateTimeFormat::utcNow()];
} else {
$where = ['`expires` >= ? AND k LIKE CONCAT(?, \'%\')', DateTimeFormat::utcNow(), $prefix];
}
return DBA::toArray($stmt);
$stmt = DBA::select('cache', ['k'], $where);
$list = [];
while ($key = DBA::fetch($stmt)) {
array_push($list, $key['k']);
}
DBA::close($stmt);
return $list;
}
/**

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@ -14,9 +14,11 @@ interface ICacheDriver
/**
* Lists all cache keys
*
* @param string prefix optional a prefix to search
*
* @return array|null Null if it isn't supported by the cache driver
*/
public function getAllKeys();
public function getAllKeys($prefix = null);
/**
* Fetches cached data according to the key

View file

@ -43,7 +43,7 @@ class MemcacheCacheDriver extends AbstractCacheDriver implements IMemoryCacheDri
/**
* (@inheritdoc)
*/
public function getAllKeys()
public function getAllKeys($prefix = null)
{
$list = [];
$allSlabs = $this->memcache->getExtendedStats('slabs');
@ -59,7 +59,9 @@ class MemcacheCacheDriver extends AbstractCacheDriver implements IMemoryCacheDri
}
}
return $list;
$list = $this->getOriginalKeys($list);
return $this->filterPrefix($list, $prefix);
}
/**

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@ -5,6 +5,7 @@ namespace Friendica\Core\Cache;
use Friendica\Core\Cache;
use Exception;
use Friendica\Network\HTTPException\InternalServerErrorException;
use Memcached;
/**
@ -40,6 +41,9 @@ class MemcachedCacheDriver extends AbstractCacheDriver implements IMemoryCacheDr
$this->memcached = new Memcached();
$this->memcached->setOption(Memcached::OPT_BINARY_PROTOCOL, false);
array_walk($memcached_hosts, function (&$value) {
if (is_string($value)) {
$value = array_map('trim', explode(',', $value));
@ -56,9 +60,15 @@ class MemcachedCacheDriver extends AbstractCacheDriver implements IMemoryCacheDr
/**
* (@inheritdoc)
*/
public function getAllKeys()
public function getAllKeys($prefix = null)
{
return $this->memcached->getAllKeys();
// Doesn't work because of https://github.com/php-memcached-dev/php-memcached/issues/367
// returns everytime an empty array
throw new InternalServerErrorException('getAllKeys for Memcached not supported yet');
$list = $this->getOriginalKeys($this->memcached->getAllKeys());
return $this->filterPrefix($list, $prefix);
}
/**

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@ -41,9 +41,17 @@ class RedisCacheDriver extends AbstractCacheDriver implements IMemoryCacheDriver
/**
* (@inheritdoc)
*/
public function getAllKeys()
public function getAllKeys($prefix = null)
{
return null;
if (empty($prefix)) {
$search = '*';
} else {
$search = $prefix . '*';
}
$list = $this->redis->keys($this->getCacheKey($search));
return $this->getOriginalKeys($list);
}
/**

View file

@ -105,7 +105,7 @@ HELP;
private function executeList()
{
$prefix = $this->getArgument(1);
$keys = Core\Cache::getAllKeys();
$keys = Core\Cache::getAllKeys($prefix);
if (empty($prefix)) {
$this->out('Listing all cache keys:');

View file

@ -7,11 +7,6 @@ use Friendica\Core\Cache\ArrayCache;
class ArrayCacheDriverTest extends MemoryCacheTest
{
/**
* @var \Friendica\Core\Cache\IMemoryCacheDriver
*/
private $cache;
protected function getInstance()
{
$this->cache = new ArrayCache();

View file

@ -2,6 +2,7 @@
namespace Friendica\Test\src\Core\Cache;
use Friendica\Core\Cache\MemcachedCacheDriver;
use Friendica\Core\Config;
use Friendica\Test\DatabaseTest;
use Friendica\Util\DateTimeFormat;
@ -13,6 +14,12 @@ abstract class CacheTest extends DatabaseTest
*/
protected $instance;
/**
* @var \Friendica\Core\Cache\IMemoryCacheDriver
*/
protected $cache;
abstract protected function getInstance();
protected function setUp()
@ -29,6 +36,8 @@ abstract class CacheTest extends DatabaseTest
Config::set('system', 'throttle_limit_week', 100);
Config::set('system', 'throttle_limit_month', 100);
Config::set('system', 'theme', 'system_theme');
$this->instance->clear(false);
}
/**
@ -177,4 +186,27 @@ abstract class CacheTest extends DatabaseTest
$received = $this->instance->get('objVal');
$this->assertEquals($value, $received, 'Value type changed from ' . gettype($value) . ' to ' . gettype($received));
}
/**
* @small
*/
public function testGetAllKeys() {
if ($this->cache instanceof MemcachedCacheDriver) {
$this->markTestSkipped('Memcached doesn\'t support getAllKeys anymore');
}
$this->assertTrue($this->instance->set('value1', 'test'));
$this->assertTrue($this->instance->set('value2', 'test'));
$this->assertTrue($this->instance->set('test_value3', 'test'));
$list = $this->instance->getAllKeys();
$this->assertContains('value1', $list);
$this->assertContains('value2', $list);
$this->assertContains('test_value3', $list);
$list = $this->instance->getAllKeys('test');
$this->assertContains('test_value3', $list);
}
}

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@ -6,11 +6,6 @@ use Friendica\Core\Cache\CacheDriverFactory;
class DatabaseCacheDriverTest extends CacheTest
{
/**
* @var \Friendica\Core\Cache\IMemoryCacheDriver
*/
private $cache;
protected function getInstance()
{
$this->cache = CacheDriverFactory::create('database');

View file

@ -11,11 +11,6 @@ use Friendica\Core\Cache\CacheDriverFactory;
*/
class MemcacheCacheDriverTest extends MemoryCacheTest
{
/**
* @var \Friendica\Core\Cache\IMemoryCacheDriver
*/
private $cache;
protected function getInstance()
{
$this->cache = CacheDriverFactory::create('memcache');

View file

@ -11,11 +11,6 @@ use Friendica\Core\Cache\CacheDriverFactory;
*/
class MemcachedCacheDriverTest extends MemoryCacheTest
{
/**
* @var \Friendica\Core\Cache\IMemoryCacheDriver
*/
private $cache;
protected function getInstance()
{
$this->cache = CacheDriverFactory::create('memcached');

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@ -11,11 +11,6 @@ use Friendica\Core\Cache\CacheDriverFactory;
*/
class RedisCacheDriverTest extends MemoryCacheTest
{
/**
* @var \Friendica\Core\Cache\IMemoryCacheDriver
*/
private $cache;
protected function getInstance()
{
$this->cache = CacheDriverFactory::create('redis');