/**
* 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 authenticate()
{
$args = func_get_args();
$args[] =& $this->state['credentials'];
$this->state['authenticated'] = $this->authenticationValidator->evaluate($args);
$this->modified = TRUE;
if ($this->state['authenticated'] === TRUE) {
$this->log->notice(sprintf("%s: user `%s` authenticated", __CLASS__, $args[0]));
}
return $this->state['authenticated'];
}
private function fetchTaskStatus($taskId)
{
$socketPath = sprintf(self::PTRACK_PATH_TEMPLATE, $taskId);
$dumpPath = sprintf(self::PTRACK_DUMP_PATH, md5($socketPath));
$taskStatus = FALSE;
$errno = 0;
$errstr = "";
$socket = $this->phpWrapper->fsockopen('unix://' . $socketPath, -1, $errno, $errstr);
if ($socket === FALSE) {
$socketPathExists = $errno != 2;
if ($socketPathExists) {
$this->log->error(sprintf('%s: Socket %s exists, but open failed: errno %d, errstr %s', __CLASS__, $socketPath, $errno, $errstr));
}
$taskStatus = $this->fetchDumpFile($dumpPath);
} else {
$this->sendMessage($socket, self::TY_QUERY);
$taskStatus = $this->recvMessage($socket);
$this->phpWrapper->fclose($socket);
}
return $taskStatus;
}