Example #1
0
 /**
  * This function is meant to be called **hourly** by cron.
  * It calls all registred handlers and it also takes care of emitting trigger
  * signals for longer periods of time than on hourly basis (daily, weekly, ...).
  * 
  * @param \DateTime forced date time (for testing purposes only)
  */
 public static function run(\DateTime $now = null)
 {
     try {
         Nette\Utils\CriticalSection::enter();
     } catch (Nette\InvalidStateException $e) {
         if ($e->getMessage() == 'Critical section has already been entered.') {
             throw new CronException('Cron job is already running');
         } else {
             throw $e;
         }
     }
     try {
         $cache = static::getCache();
         if ($now === null) {
             $now = new \DateTime('now');
         }
         // Hodinova volani =======================================================
         if (isset($cache['lastHourly'])) {
             // Pocet minut od posledni zmeny
             $offset = (intval($now->format('U')) - intval($cache['lastHourly']->format('U'))) / 60;
             if ($offset < 1) {
                 throw new CronException('Invalid time offset. Current date is earlier than already processed.');
             }
             if ($offset < 60) {
                 throw new CronException('Invalid time offset. Method was called too early. Probably because of clock skew.');
             }
         } else {
             $cache['lastHourly'] = null;
         }
         self::hourly($cache['lastHourly'], $now);
         $cache['lastHourly'] = clone $now;
         // Denni a mesicni volani ================================================
         if (intval($now->format('H')) == 0) {
             self::daily(isset($cache['lastDaily']) ? $cache['lastHourly'] : null, $now);
             $cache['lastDaily'] = clone $now;
             if (intval($now->format('d')) == 1) {
                 self::monthly(isset($cache['lastMonthly']) ? $cache['lastMonthly'] : null, $now);
                 $cache['lastMonthly'] = clone $now;
             }
         }
         Nette\Utils\CriticalSection::leave();
     } catch (\Exception $e) {
         Nette\Utils\CriticalSection::leave();
         throw $e;
     }
 }
Example #2
0
 /**
  * Writes item into the cache.
  * Dependencies are:
  * - Cache::PRIORITY => (int) priority
  * - Cache::EXPIRATION => (timestamp) expiration
  * - Cache::SLIDING => (bool) use sliding expiration?
  * - Cache::TAGS => (array) tags
  * - Cache::FILES => (array|string) file names
  * - Cache::ITEMS => (array|string) cache items
  * - Cache::CONSTS => (array|string) cache items
  *
  * @param  mixed  key
  * @param  mixed  value
  * @param  array  dependencies
  * @return mixed  value itself
  * @throws Nette\InvalidArgumentException
  */
 public function save($key, $data, array $dp = NULL)
 {
     $this->key = is_scalar($key) ? (string) $key : serialize($key);
     $key = $this->namespace . md5($this->key);
     // convert expire into relative amount of seconds
     if (isset($dp[Cache::EXPIRATION])) {
         $dp[Cache::EXPIRATION] = Nette\DateTime::from($dp[Cache::EXPIRATION])->format('U') - time();
     }
     // convert FILES into CALLBACKS
     if (isset($dp[self::FILES])) {
         //clearstatcache();
         foreach ((array) $dp[self::FILES] as $item) {
             $dp[self::CALLBACKS][] = array(array(__CLASS__, 'checkFile'), $item, @filemtime($item));
             // @ - stat may fail
         }
         unset($dp[self::FILES]);
     }
     // add namespaces to items
     if (isset($dp[self::ITEMS])) {
         $dp[self::ITEMS] = (array) $dp[self::ITEMS];
         foreach ($dp[self::ITEMS] as $k => $item) {
             $dp[self::ITEMS][$k] = $this->namespace . md5(is_scalar($item) ? $item : serialize($item));
         }
     }
     // convert CONSTS into CALLBACKS
     if (isset($dp[self::CONSTS])) {
         foreach ((array) $dp[self::CONSTS] as $item) {
             $dp[self::CALLBACKS][] = array(array(__CLASS__, 'checkConst'), $item, constant($item));
         }
         unset($dp[self::CONSTS]);
     }
     if ($data instanceof Nette\Callback || $data instanceof \Closure) {
         Nette\Utils\CriticalSection::enter();
         $data = $data->__invoke();
         Nette\Utils\CriticalSection::leave();
     }
     if (is_object($data)) {
         $dp[self::CALLBACKS][] = array(array(__CLASS__, 'checkSerializationVersion'), get_class($data), Nette\Reflection\ClassType::from($data)->getAnnotation('serializationVersion'));
     }
     $this->data = $data;
     if ($data === NULL) {
         $this->storage->remove($key);
     } else {
         $this->storage->write($key, $data, (array) $dp);
     }
     return $data;
 }
Example #3
0
 function save($key, $data, array $dp = NULL)
 {
     $this->release();
     $key = $this->namespace . md5(is_scalar($key) ? $key : serialize($key));
     if ($data instanceof Nette\Callback || $data instanceof \Closure) {
         Nette\Utils\CriticalSection::enter();
         $data = $data->__invoke();
         Nette\Utils\CriticalSection::leave();
     }
     if ($data === NULL) {
         return $this->storage->remove($key);
     } elseif (is_object($data)) {
         $dp[self::CALLBACKS][] = array(array(__CLASS__, 'checkSerializationVersion'), get_class($data), Nette\Reflection\ClassType::from($data)->getAnnotation('serializationVersion'));
     }
     if (isset($dp[Cache::EXPIRATION])) {
         $dp[Cache::EXPIRATION] = Nette\DateTime::from($dp[Cache::EXPIRATION])->format('U') - time();
     }
     if (isset($dp[self::FILES])) {
         foreach (array_unique((array) $dp[self::FILES]) as $item) {
             $dp[self::CALLBACKS][] = array(array(__CLASS__, 'checkFile'), $item, @filemtime($item));
         }
         unset($dp[self::FILES]);
     }
     if (isset($dp[self::ITEMS])) {
         $dp[self::ITEMS] = array_unique((array) $dp[self::ITEMS]);
         foreach ($dp[self::ITEMS] as $k => $item) {
             $dp[self::ITEMS][$k] = $this->namespace . md5(is_scalar($item) ? $item : serialize($item));
         }
     }
     if (isset($dp[self::CONSTS])) {
         foreach (array_unique((array) $dp[self::CONSTS]) as $item) {
             $dp[self::CALLBACKS][] = array(array(__CLASS__, 'checkConst'), $item, constant($item));
         }
         unset($dp[self::CONSTS]);
     }
     $this->storage->write($key, $data, (array) $dp);
     return $data;
 }