}
}
@Override
public Session connectToServer(final Endpoint endpointInstance, final ClientEndpointConfig config, final URI path) throws DeploymentException, IOException {
ClientEndpointConfig cec = config != null ? config : ClientEndpointConfig.Builder.create().build();
//in theory we should not be able to connect until the deployment is complete, but the definition of when a deployment is complete is a bit nebulous.
WebSocketClientNegotiation clientNegotiation = new ClientNegotiation(cec.getPreferredSubprotocols(), toExtensionList(cec.getExtensions()), cec);
XnioSsl ssl = null;
for (WebsocketClientSslProvider provider : clientSslProviders) {
ssl = provider.getSsl(xnioWorker, endpointInstance, cec, path);
if (ssl != null) {
break;
}
}
IoFuture<WebSocketChannel> session = WebSocketClient.connect(xnioWorker, ssl, bufferPool, OptionMap.EMPTY, path, WebSocketVersion.V13, clientNegotiation);
Number timeout = (Number) cec.getUserProperties().get(TIMEOUT);
if(session.await(timeout == null ? DEFAULT_WEB_SOCKET_TIMEOUT_SECONDS: timeout.intValue(), TimeUnit.SECONDS) == IoFuture.Status.WAITING) {
//add a notifier to close the channel if the connection actually completes
session.cancel();
session.addNotifier(new IoFuture.HandlingNotifier<WebSocketChannel, Object>() {
@Override
public void handleDone(WebSocketChannel data, Object attachment) {
IoUtils.safeClose(data);
}
}, null);
throw JsrWebSocketMessages.MESSAGES.connectionTimedOut();
}
WebSocketChannel channel;
try {
channel = session.get();
} catch (UpgradeFailedException e) {
throw new DeploymentException(e.getMessage(), e);
}
EndpointSessionHandler sessionHandler = new EndpointSessionHandler(this);
final List<Extension> extensions = new ArrayList<>();
final Map<String, Extension> extMap = new HashMap<>();
for (Extension ext : cec.getExtensions()) {
extMap.put(ext.getName(), ext);
}
for (WebSocketExtension e : clientNegotiation.getSelectedExtensions()) {
Extension ext = extMap.get(e.getName());
if (ext == null) {
throw JsrWebSocketMessages.MESSAGES.extensionWasNotPresentInClientHandshake(e.getName(), clientNegotiation.getSupportedExtensions());
}
extensions.add(ExtensionImpl.create(e));
}
EncodingFactory encodingFactory = EncodingFactory.createFactory(classIntrospecter, cec.getDecoders(), cec.getEncoders());
UndertowSession undertowSession = new UndertowSession(channel, path, Collections.<String, String>emptyMap(), Collections.<String, List<String>>emptyMap(), sessionHandler, null, new ImmediateInstanceHandle<>(endpointInstance), cec, path.getQuery(), encodingFactory.createEncoding(cec), new HashSet<Session>(), clientNegotiation.getSelectedSubProtocol(), extensions);
endpointInstance.onOpen(undertowSession, cec);
channel.resumeReceives();
return undertowSession;