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chore: adds APC as L1 cache at cache middleware #410
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| <?php namespace App\Utils\Cache; | ||
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| use Illuminate\Support\Facades\Cache; | ||
| use Illuminate\Support\Facades\Log; | ||
|
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| final class MemCache | ||
| { | ||
| private const CM_REGION = 'mem:region:'; | ||
|
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| private static function store(): \Illuminate\Contracts\Cache\Repository | ||
| { | ||
| return Cache::store('memcached'); | ||
| } | ||
|
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| public static function get(string $key) | ||
| { | ||
| try { | ||
| Log::debug("MemCacheService::get", ["key" => $key]); | ||
| return self::store()->get($key, null); | ||
| } catch (\Throwable $e) { | ||
| Log::warning($e); | ||
| return null; | ||
| } | ||
| } | ||
|
|
||
|
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| private static function trackKey(string $regionTag, string $key, int $ttl): void | ||
| { | ||
| try { | ||
| $store = self::store(); | ||
| Log::debug("MemCache::trackKey", ["regionTag" => $regionTag, "key" => $key, "ttl" => $ttl]); | ||
| $setKey = self::CM_REGION.$regionTag; | ||
| $list = $store->get($setKey, []); | ||
| if (!\is_array($list)) $list = []; | ||
| $list[$key] = \time() + $ttl; | ||
| if (\count($list) > 10000) { array_shift($list); } | ||
| $store->put($setKey, $list, $ttl); | ||
| } catch (\Throwable $e) { | ||
| Log::warning($e); | ||
| } | ||
| } | ||
|
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| public static function put(string $key, $value, int $ttl, ?string $regionTag = null): void | ||
| { | ||
| try { | ||
| Log::debug("MemCache::put", ["key" => $key, "value" => $value, "ttl" => $ttl]); | ||
| self::store()->put($key, $value, $ttl); | ||
| if ($regionTag) self::trackKey($regionTag, $key, $ttl); | ||
| } catch (\Throwable $e) { | ||
| Log::warning($e); | ||
| } | ||
| } | ||
|
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| public static function apcClearRegion(string $regionTag): int | ||
| { | ||
| try { | ||
| $store = self::store(); | ||
| $setKey = self::CM_REGION.$regionTag; | ||
| $list = $store->get($setKey, []); | ||
| $n = 0; | ||
| Log::debug("MemCache::apcClearRegion", ["regionTag" => $regionTag, "list" => $list]); | ||
| if (\is_array($list)) { | ||
| foreach (array_keys($list) as $k) { | ||
| if ($store->forget($k)) $n++; | ||
| } | ||
| } | ||
| $store->forget($setKey); | ||
| return $n; | ||
| } catch (\Throwable $e) { | ||
| Log::warning($e); | ||
| return 0; | ||
| } | ||
| } | ||
|
|
||
| } | ||
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[nitpick] The hard-coded 10000 cap is a magic number. Consider extracting it to a class constant (e.g., MAX_KEYS_PER_REGION) or a config value so it can be tuned without code changes.