/**
* Some helper methods
*/
private function getTestUserClient($sessionId)
{
$config = Config::get('pushup')->server['default'];
list($host, $port) = explode(':', array_shift($config['cluster']));
$tcpClient = new SC_TcpClient();
$tcpClient->setTimeout($config['connectTimeout'] * 50);
$tcpClient->connect($host, $port);
$tcpClient->write($sessionId);
return $tcpClient;
}
/**
* send data and process response
*
* @param array $data data to send
* @return mixed response
*/
protected function command($data)
{
$this->connect();
// enter multibyte workaround mode
if (ini_get('mbstring.func_overload') & 2) {
if ($this->mbenc === null) {
$this->mbenc = mb_internal_encoding();
}
mb_internal_encoding('latin1');
}
// build request
$request = $this->serialize($data);
// send request
try {
$this->TcpClient->write($request);
} catch (SC_TcpClient_Exception $e) {
throw new SC_Pushup_Exception($e->getMessage());
}
// read response
try {
$response = $this->TcpClient->read(2048);
if (empty($response)) {
throw new SC_Pushup_Exception('empty response');
}
// get response length
$header = unpack('Nsize', substr($response, 0, 4));
// invalid response
if ($header === false) {
throw new SC_Pushup_Exception('invalid response, cannot unpack header data');
}
// read remaining response data
$size = $header['size'] + 4;
while (strlen($response) < $size) {
$response .= $this->TcpClient->read($size - strlen($response));
}
} catch (SC_TcpClient_Exception $e) {
$this->disconnect();
SC_Log::get('pushup')->error('network error: ' . $e->getMessage());
throw new SC_Pushup_Exception('network error');
}
// process response
$response = $this->deserialize($response);
// leave multibyte workaround mode
if ($this->mbenc !== null) {
mb_internal_encoding($this->mbenc);
$this->mbenc = null;
}
// check for errors
if (!is_array($response) || empty($response)) {
throw new SC_Pushup_Exception('command response error');
}
if (($responseState = array_shift($response)) == self::COMMAND_ERROR) {
throw new SC_Pushup_Exception(array_shift($response));
}
// return result
if (empty($response)) {
switch ($responseState) {
case self::COMMAND_OK:
return true;
case self::LOGIN_OK:
return true;
case self::LOGIN_FAILED:
throw new SC_Pushup_Exception('login failed');
}
}
return $response;
}
