[CACHE] Add support for multiple pools with the syntax (as an example) SOCIAL_CACHE_ADAPTER='default=redis://localhost:6379,memcached://localhost:11211;db.config=apcu://'

This commit is contained in:
Hugo Sales 2020-07-11 22:43:05 +00:00 committed by Hugo Sales
parent d35b6f3437
commit c549bea4a9
Signed by untrusted user: someonewithpc
GPG Key ID: 7D0C7EAFC9D835A0
2 changed files with 45 additions and 14 deletions

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@ -25,7 +25,7 @@ use Symfony\Component\Cache\Adapter\ChainAdapter;
abstract class Cache
{
protected static AbstractAdapter $pool;
protected static AbstractAdapter $pools;
private static string $ENV_VAR = 'SOCIAL_CACHE_ADAPTER';
/**
@ -33,27 +33,58 @@ abstract class Cache
* We may want multiple of these in the future, but for now it seems
* unnecessary
*/
public static function setPool()
public static function setupCache()
{
if (!isset($_ENV[self::$ENV_VAR])) {
return;
die("A cache adapter is needed in the environment variable {$ENV_VAR}");
}
$adapters = F\map(explode(':', strtolower($_ENV[self::$ENV_VAR])),
function (string $a) {
return 'Adapter\\' . ucfirst($a) . 'Adapter';
});
$adapters = [];
foreach (explode(';', $_ENV[self::$ENV_VAR]) as $a) {
list($pool, $val) = explode('=', $a);
foreach (explode(',', $val) as $dsn) {
list($scheme, $rest) = explode('://', $dsn);
if (count($adapters) === 1) {
self::$pool = new $adapters[0];
} else {
self::$pool = new ChainAdapter($adapters);
switch ($scheme) {
case 'memcached':
// memcached can have multiple servers
$dsn = F\map(explode(',', $rest), function ($h) use ($scheme) { return $scheme . $h; });
$adapters[$pool][] = new Adapter\MemcachedAdapter($dsn);
break;
case 'filesystem':
$adapters[$pool][] = new Adapter\FilesystemAdapter($rest);
break;
case 'redis':
$adapters[$pool][] = new Adapter\RedisAdapter($dsn);
break;
case 'apcu':
$adapters[$pool][] = new Adapter\ApcuAdapter();
break;
case 'opcache':
$adapters[$pool][] = new Adapter\PhpArrayAdapter(stream_get_meta_data(tmpfile())['uri'], new FilesystemAdapter());
break;
case 'doctrine':
$adapters[$pool][] = new Adapter\PdoAdapter($dsn);
break;
default:
Log::error("Unknown or discouraged cache scheme '{$scheme}'");
return;
}
}
if (count($adapters[$pool]) === 1) {
self::$pools[$pool] = array_pop($adapters[$pool]);
} else {
self::$pools[$pool] = new ChainAdapter($adapters);
}
}
}
public static function get(string $key, callable $calculate, float $beta = 1.0)
public static function get(string $key, callable $calculate, string $pool = 'default', float $beta = 1.0)
{
return self::$pool->get($key, $calculate, $beta);
if (self::$pools[$pool] instanceof AbstractAdapter) {
return self::$pool->get($key, $calculate, $beta);
} else {
}
}
public static function delete(string $key): bool

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@ -99,8 +99,8 @@ class GNUsocial implements EventSubscriberInterface
Form::setFactory($this->form_factory);
Queue::setMessageBus($this->message_bus);
Cache::setPool();
DefaultSettings::setDefaults();
Cache::setupCache();
ModulesManager::loadModules();
}