protected function _connect()
{
$connect_params = array('accept-version' => '1.0,1.1,1.2', 'heart-beat' => '0,0');
$accepted_headers = array('host', 'login', 'passcode');
foreach ($accepted_headers as $header) {
if (isset($this->_connect_options[$header])) {
$connect_params[$header] = $this->_connect_options[$header];
}
}
$connect_frame = new Frame(Frame::COMMAND_CONNECT, '', $connect_params);
$this->_connection->write($connect_frame);
if ($response = $this->_connection->readFrame()) {
$this->_server_info = $response->getHeaders();
} else {
throw new ConnectionException('No response from server.');
}
}
