/**
* 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) ? $output : false;
}
}
/**
* {@inheritdoc}
*/
public function start($callback = null)
{
if (null === $this->getCommandLine()) {
throw new Symfony_Process_Exception_RuntimeException('Unable to find the PHP executable.');
}
parent::start($callback);
}
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 $check;
}
/**
* Returns whether PHP has been compiled with the '--enable-sigchild' option or not.
*
* @return bool
*/
protected function isSigchildEnabled()
{
if (null !== self::$sigchild) {
return self::$sigchild;
}
if (!function_exists('phpinfo')) {
return self::$sigchild = false;
}
ob_start();
phpinfo(INFO_GENERAL);
return self::$sigchild = false !== strpos(ob_get_clean(), '--enable-sigchild');
}
public function __construct(Symfony_Process_Process $process, $timeoutType)
{
$this->process = $process;
$this->timeoutType = $timeoutType;
parent::__construct(sprintf('The process "%s" exceeded the timeout of %s seconds.', $process->getCommandLine(), $this->getExceededTimeout()));
}
/**
* Creates a Process instance and returns it.
*
* @return Symfony_Process_Process
*
* @throws LogicException In case no arguments have been provided
*/
public function getProcess()
{
if (0 === count($this->prefix) && 0 === count($this->arguments)) {
throw new Symfony_Process_Exception_LogicException('You must add() command arguments before calling getProcess().');
}
$options = $this->options;
$arguments = array_merge($this->prefix, $this->arguments);
$script = implode(' ', array_map(array('Symfony_Process_ProcessUtils', 'escapeArgument'), $arguments));
if ($this->inheritEnv) {
// include $_ENV for BC purposes
$env = Symfony_Process_ProcessUtils::arrayReplace($_ENV, $_SERVER, $this->env);
} else {
$env = $this->env;
}
$process = new Symfony_Process_Process($script, $this->cwd, $env, $this->input, $this->timeout, $options);
if ($this->outputDisabled) {
$process->disableOutput();
}
return $process;
}
public function restore_db($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);
}
/**
* Creates a new WindowsPipes instance.
*
* @param Symfony_Process_Process $process The process
* @param $input
*
* @return Symfony_Process_Pipes_WindowsPipes
*/
public static function create(Symfony_Process_Process $process, $input)
{
return new self($process->isOutputDisabled(), $input);
}