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<?php namespace Comodojo\Cache\Drivers; |
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use \Exception; |
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/** |
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* @package Comodojo Cache |
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* @author Marco Giovinazzi <[email protected]> |
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* @license MIT |
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* |
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* LICENSE: |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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class FilesystemGhost extends FilesystemXattr { |
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const DRIVER_NAME = "filesystem-ghost"; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function set($key, $namespace, $value, $ttl = null) { |
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$cacheFile = $this->cache_folder."$key-$namespace.cache"; |
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$cacheGhost = $this->cache_folder."$key-$namespace.expire"; |
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if ( $ttl == null || $ttl == 0 ) { |
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$ttl = 0; |
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} else { |
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$ttl = time() + intval($ttl); |
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} |
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$cached = @file_put_contents($cacheFile, $value, LOCK_EX); |
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if ( $cached === false ) throw new Exception("Error writing cache object $cacheFile"); |
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$tagged = @file_put_contents($cacheGhost, $ttl, LOCK_EX); |
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if ( $tagged === false ) throw new Exception("Error writing cache ttl $cacheFile"); |
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return true; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function delete($key, $namespace) { |
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$result = []; |
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$file_list = glob($this->cache_folder."$key-$namespace.{cache,expire}", GLOB_BRACE); |
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if ( empty($file_list) ) return false; |
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foreach ( $file_list as $file ) $result[] = unlink($file); |
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return !in_array(false, $result); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function clear($namespace = null) { |
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$result = []; |
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if ( $namespace === null ) { |
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$file_list = glob($this->cache_folder."*.{cache,expire}", GLOB_BRACE); |
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} else { |
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$file_list = glob($this->cache_folder."*-$namespace.{cache,expire}", GLOB_BRACE); |
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} |
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if ( empty($file_list) ) return true; |
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foreach ( $file_list as $file ) $result[] = unlink($file); |
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return !in_array(false, $result); |
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} |
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// public function getMultiple(array $keys, $namespace) { |
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// |
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// $result = []; |
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// |
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// foreach ($keys as $key) { |
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// $result[$key] = $this->get($key, $namespace); |
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// } |
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// |
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// return $result; |
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// |
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// } |
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// |
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// public function setMultiple(array $key_values, $namespace, $ttl = null) { |
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// |
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// $result = []; |
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// |
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// foreach ($keys as $key => $value) { |
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// $result[] = $this->set($key, $namespace, $value, $ttl); |
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// } |
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// |
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// return !in_array(false, $result); |
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// |
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// } |
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// |
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// public function deleteMultiple(array $keys, $namespace) { |
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// |
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// $result = []; |
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// |
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// foreach ($keys as $key) { |
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// $result[] = $this->delete($key, $namespace); |
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// } |
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// |
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// return !in_array(false, $result); |
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// |
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// } |
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/** |
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* {@inheritdoc} |
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*/ |
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public function has($key, $namespace) { |
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$time = time(); |
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$cacheFile = $this->cache_folder."$key-$namespace.cache"; |
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$cacheGhost = $this->cache_folder."$key-$namespace.expire"; |
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if ( file_exists($cacheFile) && file_exists($cacheGhost) ) { |
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$expire = @file_get_contents($cacheGhost); |
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if ( $expire === false ) { |
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throw new Exception("Error reading cache ttl for $cacheFile"); |
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} else if ( intval($expire) < $time && intval($expire) !== 0 ) { |
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$this->delete($key, $namespace); |
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return false; |
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} else { |
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return true; |
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} |
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} |
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return false; |
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} |
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// public function stats() { |
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// |
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// return ['objects' => count(glob($this->cache_folder."*.cache"))]; |
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// |
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// } |
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164
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} |
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comodojo /
cache
