/**
* Initiates the closing handshake for a client connection
*
* @param Net_Notifier_WebSocket_Connection $client the client to close.
* @param integer $code optional. The WebSocket close
* close reason code. If
* not specified,
* {@link Net_Notifier_WebSocket_Connection::CLOSE_NORMAL}
* is used.
* @param string $reason optional. A description
* of why the connection
* is being closed.
*
* @return void
*/
protected function startCloseClient(Net_Notifier_WebSocket_Connection $client, $code = Net_Notifier_WebSocket_Connection::CLOSE_NORMAL, $reason = '')
{
$this->log(sprintf('disconnecting client from %s for reason "%s" ... ', $client->getIPAddress(), $reason), Net_Notifier_Logger::VERBOSITY_CLIENT);
$client->startClose($code, $reason);
$this->log('done' . PHP_EOL, Net_Notifier_Logger::VERBOSITY_CLIENT, false);
}
/**
* Disconnects this client from the server
*
* @return void
*/
protected function disconnect()
{
// Initiate connection close. The WebSockets RFC recomends against
// clients initiating the close handshake but we want to ensure the
// connection is closed as soon as possible.
$this->connection->startClose(Net_Notifier_WebSocket_Connection::CLOSE_GOING_AWAY, 'Client sent message.');
// read server close frame
$state = $this->connection->getState();
$sec = intval($this->timeout / 1000);
$usec = $this->timeout % 1000 * 1000;
while ($state < Net_Notifier_WebSocket_Connection::STATE_CLOSED) {
$read = array($this->socket->getRawSocket());
$result = stream_select($read, $write = null, $except = null, $sec, $usec);
if ($result === 1) {
$this->connection->read(self::READ_BUFFER_LENGTH);
} else {
// read timed out, just close the connection
$this->connection->close();
}
$state = $this->connection->getState();
}
$this->connection = null;
}