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FsCacheDriver.php: collect expired cache items before operating on the cache

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This commit is contained in:
Zankaria 2024-10-05 17:31:41 +02:00
parent 003e8f6d3b
commit 115f28807a
1 changed files with 8 additions and 3 deletions
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11
inc/Data/Driver/FsCachedriver.php
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@ -30,7 +30,10 @@ class FsCacheDriver implements CacheDriver {
}
private function collectImpl(): int {
// A read lock is ok, since it's alright if we delete expired items from under the feet of other processes.
/*
* A read lock is ok, since it's alright if we delete expired items from under the feet of other processes, and
* no other process add new cache items or refresh existing ones.
*/
$files = \glob($this->base_path . $this->prefix . '*', \GLOB_NOSORT);
$count = 0;
foreach ($files as $file) {
@ -84,6 +87,9 @@ class FsCacheDriver implements CacheDriver {
$this->sharedLockCache();
// Collect expired items first so if the target key is expired we shortcut to failure in the next lines.
$this->maybeCollect();
$fd = \fopen($this->base_path . $key, 'r');
if ($fd === false) {
$this->unlockCache();
@ -92,7 +98,6 @@ class FsCacheDriver implements CacheDriver {
$data = \stream_get_contents($fd);
\fclose($fd);
$this->maybeCollect();
$this->unlockCache();
$wrapped = \json_decode($data, true, 512, \JSON_THROW_ON_ERROR);
@ -114,8 +119,8 @@ class FsCacheDriver implements CacheDriver {
$data = \json_encode($wrapped);
$this->exclusiveLockCache();
\file_put_contents($this->base_path . $key, $data);
$this->maybeCollect();
\file_put_contents($this->base_path . $key, $data);
$this->unlockCache();
}