protected Delegate connect(String uri, TransportListener listener, List<Mutable> messages) {
try {
if (logger.isDebugEnabled()) logger.debug("Opening websocket session to {}", uri);
_webSocketContainer.setDefaultMaxSessionIdleTimeout(getIdleTimeout());
ClientEndpointConfig.Configurator configurator = new Configurator();
String protocol = getProtocol();
ClientEndpointConfig config =
ClientEndpointConfig.Builder.create()
.preferredSubprotocols(protocol == null ? null : Collections.singletonList(protocol))
.configurator(configurator)
.build();
Delegate delegate = connect(_webSocketContainer, config, uri);
_webSocketConnected = true;
return delegate;
} catch (ConnectException | SocketTimeoutException | UnresolvedAddressException x) {
// Cannot connect, assume the server supports WebSocket until proved otherwise
listener.onFailure(x, messages);
} catch (Throwable x) {
_webSocketSupported = isStickyReconnect() && _webSocketConnected;
listener.onFailure(x, messages);
}
return null;
}
protected Session connect(String uri, TransportListener listener, Mutable[] messages) {
Session session = _wsSession;
if (session != null) return session;
try {
logger.debug("Opening websocket session to {}", uri);
session = connect(uri);
_webSocketConnected = true;
if (isAborted()) listener.onFailure(new Exception("Aborted"), messages);
return _wsSession = session;
} catch (ConnectException | SocketTimeoutException | UnresolvedAddressException x) {
// Cannot connect, assume the server supports WebSocket until proved otherwise
listener.onFailure(x, messages);
} catch (Exception x) {
_webSocketSupported = isStickyReconnect() && _webSocketConnected;
listener.onFailure(x, messages);
}
return null;
}
