/**
* Connects this client to the cha-ching server
*
* A socket connection is opened and the WebSocket handshake is initiated.
*
* @return void
*
* @throws Net_Notifier_ClientException if there is an error connecting to
* the notification server.
*/
protected function connect()
{
$this->socket = new Net_Notifier_Socket_Client(sprintf('tcp://%s:%s', $this->host, $this->port), $this->timeout / 1000);
$this->connection = new Net_Notifier_WebSocket_Connection($this->socket);
$this->connection->startHandshake($this->host, $this->port, $this->resource, array(Net_Notifier_WebSocket::PROTOCOL));
// read handshake response
$state = $this->connection->getState();
while ($state < Net_Notifier_WebSocket_Connection::STATE_OPEN) {
$read = array($this->socket->getRawSocket());
$result = stream_select($read, $write = null, $except = null, null);
if ($result === 1) {
$this->connection->read(self::READ_BUFFER_LENGTH);
}
$state = $this->connection->getState();
}
}
