Examples with WebSocketChannel io.undertow.websockets.core.WebSocketChannel used on opensource projects

Example 36 with WebSocketChannel

use of io.undertow.websockets.core.WebSocketChannel in project undertow by undertow-io.

the class ServerWebSocketContainer method doUpgrade.

public void doUpgrade(HttpServletRequest request, HttpServletResponse response, final ServerEndpointConfig sec, Map<String, String> pathParams) throws ServletException, IOException {
    ServerEndpointConfig.Configurator configurator = sec.getConfigurator();
    try {
        EncodingFactory encodingFactory = EncodingFactory.createFactory(classIntrospecter, sec.getDecoders(), sec.getEncoders());
        PathTemplate pt = PathTemplate.create(sec.getPath());
        InstanceFactory<?> instanceFactory = null;
        try {
            instanceFactory = classIntrospecter.createInstanceFactory(sec.getEndpointClass());
        } catch (Exception e) {
            //so it is possible that this is still valid if a custom configurator is in use
            if (configurator == null || configurator.getClass() == ServerEndpointConfig.Configurator.class) {
                throw JsrWebSocketMessages.MESSAGES.couldNotDeploy(e);
            } else {
                instanceFactory = new InstanceFactory<Object>() {

                    @Override
                    public InstanceHandle<Object> createInstance() throws InstantiationException {
                        throw JsrWebSocketMessages.MESSAGES.endpointDoesNotHaveAppropriateConstructor(sec.getEndpointClass());
                    }
                };
            }
        }
        if (configurator == null) {
            configurator = DefaultContainerConfigurator.INSTANCE;
        }
        ServerEndpointConfig config = ServerEndpointConfig.Builder.create(sec.getEndpointClass(), sec.getPath()).decoders(sec.getDecoders()).encoders(sec.getEncoders()).subprotocols(sec.getSubprotocols()).extensions(sec.getExtensions()).configurator(configurator).build();
        AnnotatedEndpointFactory annotatedEndpointFactory = null;
        if (!Endpoint.class.isAssignableFrom(sec.getEndpointClass())) {
            annotatedEndpointFactory = AnnotatedEndpointFactory.create(sec.getEndpointClass(), encodingFactory, pt.getParameterNames());
        }
        ConfiguredServerEndpoint confguredServerEndpoint;
        if (annotatedEndpointFactory == null) {
            confguredServerEndpoint = new ConfiguredServerEndpoint(config, instanceFactory, null, encodingFactory);
        } else {
            confguredServerEndpoint = new ConfiguredServerEndpoint(config, instanceFactory, null, encodingFactory, annotatedEndpointFactory, installedExtensions);
        }
        WebSocketHandshakeHolder hand;
        WebSocketDeploymentInfo info = (WebSocketDeploymentInfo) request.getServletContext().getAttribute(WebSocketDeploymentInfo.ATTRIBUTE_NAME);
        if (info == null || info.getExtensions() == null) {
            hand = ServerWebSocketContainer.handshakes(confguredServerEndpoint);
        } else {
            hand = ServerWebSocketContainer.handshakes(confguredServerEndpoint, info.getExtensions());
        }
        final ServletWebSocketHttpExchange facade = new ServletWebSocketHttpExchange(request, response, new HashSet<WebSocketChannel>());
        Handshake handshaker = null;
        for (Handshake method : hand.handshakes) {
            if (method.matches(facade)) {
                handshaker = method;
                break;
            }
        }
        if (handshaker != null) {
            if (isClosed()) {
                response.sendError(StatusCodes.SERVICE_UNAVAILABLE);
                return;
            }
            facade.putAttachment(HandshakeUtil.PATH_PARAMS, pathParams);
            final Handshake selected = handshaker;
            facade.upgradeChannel(new HttpUpgradeListener() {

                @Override
                public void handleUpgrade(StreamConnection streamConnection, HttpServerExchange exchange) {
                    WebSocketChannel channel = selected.createChannel(facade, streamConnection, facade.getBufferPool());
                    new EndpointSessionHandler(ServerWebSocketContainer.this).onConnect(facade, channel);
                }
            });
            handshaker.handshake(facade);
            return;
        }
    } catch (Exception e) {
        throw new ServletException(e);
    }
}

Example 37 with WebSocketChannel

use of io.undertow.websockets.core.WebSocketChannel in project undertow by undertow-io.

the class FrameHandler method onText.

@Override
protected void onText(WebSocketChannel webSocketChannel, StreamSourceFrameChannel messageChannel) throws IOException {
    if (session.isSessionClosed()) {
        //to bad, the channel has already been closed
        //we just ignore messages that are received after we have closed, as the endpoint is no longer in a valid state to deal with them
        //this this should only happen if a message was on the wire when we called close()
        messageChannel.close();
        return;
    }
    final HandlerWrapper handler = getHandler(FrameType.TEXT);
    if (handler != null && handler.isPartialHandler()) {
        BufferedTextMessage data = new BufferedTextMessage(false);
        data.read(messageChannel, new WebSocketCallback<BufferedTextMessage>() {

            @Override
            public void complete(WebSocketChannel channel, BufferedTextMessage context) {
                invokeTextHandler(context, handler, context.isComplete());
            }

            @Override
            public void onError(WebSocketChannel channel, BufferedTextMessage context, Throwable throwable) {
                invokeOnError(throwable);
            }
        });
    } else {
        bufferFullMessage(messageChannel);
    }
}

Example 38 with WebSocketChannel

use of io.undertow.websockets.core.WebSocketChannel in project undertow by undertow-io.

the class WebSocketServletTest method testText.

@Test
public void testText() throws Exception {
    final AtomicBoolean connected = new AtomicBoolean(false);
    final ServletContainer container = ServletContainer.Factory.newInstance();
    DeploymentUtils.setupServlet(new ServletInfo("websocket", WebSocketServlet.class, new ImmediateInstanceFactory<Servlet>(new WebSocketServlet(new WebSocketConnectionCallback() {

        @Override
        public void onConnect(final WebSocketHttpExchange exchange, final WebSocketChannel channel) {
            connected.set(true);
            channel.getReceiveSetter().set(new AbstractReceiveListener() {

                @Override
                protected void onFullTextMessage(WebSocketChannel channel, BufferedTextMessage message) throws IOException {
                    final String string = message.getData();
                    if (string.equals("hello")) {
                        WebSockets.sendText("world", channel, null);
                    } else {
                        WebSockets.sendText(string, channel, null);
                    }
                }
            });
            channel.resumeReceives();
        }
    }))).addMapping("/*"));
    final FutureResult latch = new FutureResult();
    WebSocketTestClient client = new WebSocketTestClient(io.netty.handler.codec.http.websocketx.WebSocketVersion.V13, new URI("ws://" + NetworkUtils.formatPossibleIpv6Address(DefaultServer.getHostAddress("default")) + ":" + DefaultServer.getHostPort("default") + "/servletContext/"));
    client.connect();
    client.send(new TextWebSocketFrame(Unpooled.copiedBuffer("hello", US_ASCII)), new FrameChecker(TextWebSocketFrame.class, "world".getBytes(US_ASCII), latch));
    latch.getIoFuture().get();
    client.destroy();
}