/**
* Do a batch lookup from cache for file stats for all paths
* used in a list of storage paths or FileOp objects.
* This loads the persistent cache values into the process cache.
*
* @param array $items List of storage paths
*/
protected final function primeFileCache(array $items)
{
$ps = $this->scopedProfileSection(__METHOD__ . "-{$this->name}");
$paths = [];
// list of storage paths
$pathNames = [];
// (cache key => storage path)
// Get all the paths/containers from the items...
foreach ($items as $item) {
if (self::isStoragePath($item)) {
$paths[] = FileBackend::normalizeStoragePath($item);
}
}
// Get rid of any paths that failed normalization...
$paths = array_filter($paths, 'strlen');
// remove nulls
// Get all the corresponding cache keys for paths...
foreach ($paths as $path) {
list(, $rel, ) = $this->resolveStoragePath($path);
if ($rel !== null) {
// valid path for this backend
$pathNames[$this->fileCacheKey($path)] = $path;
}
}
// Get all cache entries for these file cache keys...
$values = $this->memCache->getMulti(array_keys($pathNames));
foreach ($values as $cacheKey => $val) {
$path = $pathNames[$cacheKey];
if (is_array($val)) {
$val['latest'] = false;
// never completely trust cache
$this->cheapCache->set($path, 'stat', $val);
if (isset($val['sha1'])) {
// some backends store SHA-1 as metadata
$this->cheapCache->set($path, 'sha1', ['hash' => $val['sha1'], 'latest' => false]);
}
if (isset($val['xattr'])) {
// some backends store headers/metadata
$val['xattr'] = self::normalizeXAttributes($val['xattr']);
$this->cheapCache->set($path, 'xattr', ['map' => $val['xattr'], 'latest' => false]);
}
}
}
}
public function testMcRouterSupport()
{
$localBag = $this->getMock('EmptyBagOStuff', ['set', 'delete']);
$localBag->expects($this->never())->method('set');
$localBag->expects($this->never())->method('delete');
$wanCache = new WANObjectCache(['cache' => $localBag, 'pool' => 'testcache-hash', 'relayer' => new EventRelayerNull([])]);
$valFunc = function () {
return 1;
};
// None of these should use broadcasting commands (e.g. SET, DELETE)
$wanCache->get('x');
$wanCache->get('x', $ctl, ['check1']);
$wanCache->getMulti(['x', 'y']);
$wanCache->getMulti(['x', 'y'], $ctls, ['check2']);
$wanCache->getWithSetCallback('p', 30, $valFunc);
$wanCache->getCheckKeyTime('zzz');
}