/**
* Will release a lock with the given name,
* if it has been acquired before
*/
public function release()
{
if ($this->counter > 1) {
// this is a lock that we acquired multiple times:
// simply decrease counter
$this->counter -= 1;
//CRM_Core_Error::debug_log_message('released ' . getmypid() . "[{$this->counter}]");
} elseif ($this->counter == 1) {
// simply release the lock
$this->counter = 0;
$this->lock->release();
self::$_acquired_lock = NULL;
//CRM_Core_Error::debug_log_message('released ' . getmypid());
} else {
// lock has already been released!
CRM_Core_Error::debug_log_message("de.systopia.donrec: This process cannot realease lock '{$name}', it has already been released before.");
throw new Exception("This process cannot realease lock '{$name}', it has already been released before.");
}
}
/**
* Get a batching lock
*
* the lock is needed so that only one relevant process can access the
* payment/statment data structures at a time
*
* @return lock object. check if it ->isAcquired() before use
*/
public static function getLock($type, $id)
{
if ($type == '') {
// for the 'next' lock, we calculate the lock timeout as follows
$max_lock_timeout = ini_get('max_execution_time');
if (empty($max_lock_timeout)) {
$max_lock_timeout = 30 * 60;
// 30 minutes
}
// calculate based on chunk size (max 1min/item)
$calculation_time = CRM_Donrec_Logic_Settings::getChunkSize() * 60;
$timeout = min($calculation_time, $max_lock_timeout);
} else {
// default timeout for other locks
$timeout = 600.0;
// 10mins, TODO: do we need a setting here?
}
//CRM_Core_Error::debug_log_message("de.systopia.donrec.$type".'-'.$id." timeout $timeout created.");
return CRM_Utils_DonrecSafeLock::acquireLock("de.systopia.donrec.{$type}" . '-' . $id, $timeout);
}
