function mwp_is_nio_shell_available()
{
static $check;
if (isset($check)) {
return $check;
}
try {
$process = new Symfony_Process_Process("cd .", dirname(__FILE__), array(), null, 1);
$process->run();
$check = $process->isSuccessful();
} catch (Exception $e) {
$check = false;
}
return $check;
}
public function restore_db($fileName)
{
if (!$fileName) {
throw new Exception('Cannot access database file.');
}
$port = 0;
$host = DB_HOST;
if (strpos(DB_HOST, ':') !== false) {
list($host, $port) = explode(':', DB_HOST);
}
$socket = false;
if (strpos(DB_HOST, '/') !== false || strpos(DB_HOST, '\\') !== false) {
$socket = true;
$host = end(explode(':', DB_HOST));
}
if ($socket) {
$connection = array('--socket=' . $host);
} else {
$connection = array('--host=' . $host);
if (!empty($port)) {
$connection[] = '--port=' . $port;
}
}
$mysql = mwp_container()->getExecutableFinder()->find('mysql', 'mysql');
$arguments = array_merge(array($mysql, '--user='******'--password='******'--default-character-set=utf8', DB_NAME), $connection);
$command = implode(' ', array_map(array('Symfony_Process_ProcessUtils', 'escapeArgument'), $arguments)) . ' < ' . Symfony_Process_ProcessUtils::escapeArgument($fileName);
try {
if (!mwp_is_shell_available()) {
throw new MMB_Exception("Shell is not available");
}
$process = new Symfony_Process_Process($command, untrailingslashit(ABSPATH), $this->getEnv(), null, 3600);
mwp_logger()->info('Database import process started', array('executable_location' => $mysql, 'command_line' => $process->getCommandLine()));
$process->run();
if (!$process->isSuccessful()) {
throw new Symfony_Process_Exception_ProcessFailedException($process);
}
} catch (Symfony_Process_Exception_ProcessFailedException $e) {
//unlink($fileName);
mwp_logger()->error('Database import process failed', array('process' => $e->getProcess()));
throw $e;
} catch (Exception $e) {
//unlink($fileName);
mwp_logger()->error('Error while trying to execute database import process', array('exception' => $e));
throw $e;
}
mwp_logger()->info('Database import process finished');
// unlink($fileName);
}