/**
* Read db data from memory cache daemon
* @param string $command The command to invoke
* @param array $args The command arguments
* @param string &$output The output from the read socket
* @return int The command exit code
*/
private function dbRead($command, $args, &$output)
{
if (!isset(self::$socket)) {
$socketPath = '/var/run/smwingsd.sock';
$errno = 0;
$errstr = '';
self::$socket = $this->phpWrapper->fsockopen('unix://' . $socketPath, -1, $errno, $errstr);
if (!is_resource(self::$socket)) {
$this->getLog()->warning(sprintf("Invalid socket (%d): %s. Fall back to exec().", $errno, $errstr));
}
}
if (!is_resource(self::$socket)) {
return $this->dbExec($command, call_user_func_array(array($this, 'prepareArguments'), $args), $output);
}
// prepend the database name and command
array_unshift($args, $this->db, $command);
try {
$this->sendMessage(self::$socket, 0x10, $args);
if ($command === 'getjson') {
$output = $this->recvMessage(self::$socket);
} else {
$output = json_decode($this->recvMessage(self::$socket), TRUE);
}
} catch (\Exception $ex) {
$this->log->exception($ex);
return 1;
}
return 0;
}
public function getRunningTasks()
{
$running = array();
$pattern = '|' . sprintf(preg_quote(self::PTRACK_PATH_TEMPLATE, '|'), "(?P<taskId>[^.]+)") . '|';
foreach ($this->phpWrapper->glob(sprintf(self::PTRACK_PATH_TEMPLATE, '*')) as $socketPath) {
$matches = array();
if (preg_match($pattern, $socketPath, $matches) && isset($matches['taskId'])) {
try {
$task = $this->getTaskStatus($matches['taskId']);
} catch (\RuntimeException $ex) {
$this->log->exception($ex);
$this->phpWrapper->unlink($socketPath);
continue;
}
$running[$matches['taskId']] = $task;
}
}
return $running;
}
