/**
* Connect to data source.
*
* @return boolean
*/
public function connect()
{
if (!$this->_isConnected && $this->_connection) {
$this->_isConnected = $this->_connection->open();
}
return $this->_isConnected;
}
/**
* Opens a socket and initializes the internal resource handle.
*
* @param array $options update the config settings
* @return mixed Returns `false` if the socket configuration does not contain the
* `'scheme'` or `'host'` settings, or if configuration fails, otherwise returns a
* resource stream. Throws exception if there is a network error.
*/
public function open(array $options = array())
{
parent::open($options);
$config = $this->_config;
if (!$config['scheme'] || !$config['host']) {
return false;
}
$scheme = $config['scheme'] !== 'udp' ? 'tcp' : 'udp';
$port = $config['port'] ?: 80;
$host = "{$scheme}://{$config['host']}:{$port}";
$flags = STREAM_CLIENT_CONNECT;
if ($config['persistent']) {
$flags = STREAM_CLIENT_CONNECT | STREAM_CLIENT_PERSISTENT;
}
$errorCode = $errorMessage = null;
$this->_resource = stream_socket_client($host, $errorCode, $errorMessage, $config['timeout'], $flags);
if ($errorCode || $errorMessage) {
throw new NetworkException($errorMessage);
}
$this->timeout($config['timeout']);
if (!empty($config['encoding'])) {
$this->encoding($config['encoding']);
}
return $this->_resource;
}
/**
* Opens the socket and sets its timeout value.
*
* @param array $options Update the config settings.
* @return mixed Returns `false` if the socket configuration does not contain the
* `'scheme'` or `'host'` settings, or if configuration fails, otherwise returns a
* resource stream.
*/
public function open(array $options = array())
{
parent::open($options);
$config = $this->_config;
if (!$config['scheme'] || !$config['host']) {
return false;
}
$url = "{$config['scheme']}://{$config['host']}:{$config['port']}";
$context = array($config['scheme'] => array('timeout' => $this->_timeout));
if (is_object($config['message'])) {
$url = $config['message']->to('url');
$context = $config['message']->to('context', array('timeout' => $this->_timeout));
}
$this->_resource = fopen($url, $config['mode'], false, stream_context_create($context));
return $this->_resource;
}
/**
* Opens a curl connection and initializes the internal resource handle.
*
* @param array $options update the config settings
* @return mixed Returns `false` if the socket configuration does not contain the
* `'scheme'` or `'host'` settings, or if configuration fails, otherwise returns a
* resource stream.
*/
public function open(array $options = array())
{
$this->options = array();
parent::open($options);
$config = $this->_config;
if (empty($config['scheme']) || empty($config['host'])) {
return false;
}
$url = "{$config['scheme']}://{$config['host']}";
$this->_resource = curl_init($url);
$this->set(array(CURLOPT_PORT => $config['port'], CURLOPT_HEADER => true, CURLOPT_RETURNTRANSFER => true));
if (!is_resource($this->_resource)) {
return false;
}
$this->_isConnected = true;
$this->timeout($config['timeout']);
if (isset($config['encoding'])) {
$this->encoding($config['encoding']);
}
return $this->_resource;
}
public function open(array $options = array())
{
parent::open($options);
return true;
}