/**
* Returns incremental process output (even if empty string) or false if the process has finished
* successfully and all output was already returned.
*
* @throws Symfony_Process_Exception_ProcessFailedException If the process did not exit successfully.
*
* @internal
*
* @return string|false
*/
public function getIncrementalOutput()
{
if (!$this->ran) {
$this->ran = true;
try {
$this->process->start();
} catch (Symfony_Process_Exception_ExceptionInterface $e) {
throw new Symfony_Process_Exception_ProcessFailedException($this->process);
}
}
if ($this->process->isRunning()) {
$output = $this->process->getIncrementalOutput();
$this->process->clearOutput();
if (strlen($output) < Symfony_Process_Pipes_PipesInterface::CHUNK_SIZE) {
// Don't hog the processor while waiting for incremental process output.
usleep(100000);
}
// The stream will be read again because we're returning a string.
return (string) $output;
} else {
if (!$this->process->isSuccessful()) {
throw new Symfony_Process_Exception_ProcessFailedException($this->process);
}
$output = $this->process->getIncrementalOutput();
$this->process->clearOutput();
// The process has finished and is successful. This part will probably get run twice,
// first time we'll return final output, second time we'll return 'false' and break the loop.
return strlen($output) ? $output : false;
}
}
public function __construct(Symfony_Process_Process $process)
{
if ($process->isSuccessful()) {
throw new Symfony_Process_Exception_InvalidArgumentException('Expected a failed process, but the given process was successful.');
}
$error = sprintf('The command "%s" failed.' . "\nExit Code: %s(%s)", $process->getCommandLine(), $process->getExitCode(), $process->getExitCodeText());
if (!$process->isOutputDisabled()) {
$error .= sprintf("\n\nOutput:\n================\n%s\n\nError Output:\n================\n%s", $process->getOutput(), $process->getErrorOutput());
}
parent::__construct($error);
$this->process = $process;
}
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);
}
