org.springframework.messaging.simp.stomp.StompSession Java Examples

@Test
public void shouldMapDestinationToMessageMappingWithDestinationPrefix() throws InterruptedException, ExecutionException, TimeoutException {
    final WebSocketStompClient stompClient = new WebSocketStompClient(new StandardWebSocketClient());

    final StompSession stompSession = stompClient.connect("ws://localhost:" + port + "/" + TestConstant.UI_PATH_PREFIX, new StompSessionHandlerAdapter() {
    }).get(10, TimeUnit.SECONDS);

    stompSession.send("/joal/global", null);
    verify(messagingCallback, timeout(1500).times(1)).global();

    stompSession.send("/joal/announce", null);
    verify(messagingCallback, timeout(1500).times(1)).announce();

    stompSession.send("/joal/config", null);
    verify(messagingCallback, timeout(1500).times(1)).config();

    stompSession.send("/joal/torrents", null);
    verify(messagingCallback, timeout(1500).times(1)).torrents();

    stompSession.send("/joal/speed", null);
    verify(messagingCallback, timeout(1500).times(1)).speed();
}
 

/**
 * 发送消息
 *
 * @param sessionList
 * @return
 */
private static Runnable newSendMessageRunnable(List<StompSession> sessionList) {
    return new Runnable() {
        @Override
        public void run() {
            int i = 0;
            for (StompSession session : sessionList) {
                i++;

                StompHeaders headers = new StompHeaders();
                headers.setDestination("/app/receiveMessage");
                headers.set("my-login-user", "小" + i);

                Map<String, Object> payload = new HashMap<>(2);
                payload.put("msg", "你好");

                session.send(headers, payload);
            }
        }
    };
}
 

@Bean
public CommandLineRunner commandLineRunner() {
  return new CommandLineRunner() {
    @Override
    public void run(final String ... args) throws Exception {
      final String url = "ws://localhost:8080/test-websocket";

      final WebSocketStompClient stompClient = new WebSocketStompClient(new SockJsClient(createTransportClient()));
      stompClient.setMessageConverter(new MappingJackson2MessageConverter());

      final StompSession stompSession = stompClient.connect(url, new StompSessionHandlerAdapter() {
      }).get(10, TimeUnit.SECONDS);

      stompSession.subscribe(SUBSCRIBE_GREETINGS_ENDPOINT, new GreetingStompFrameHandler());
      stompSession.send(SEND_HELLO_MESSAGE_ENDPOINT, "Hello");
    }
  };
}
 

@Test
public void testSend(final MockTracer tracer) {
  final StompSession stompSession = new DefaultStompSession(new StompSessionHandlerAdapter() {}, new StompHeaders());
  try {
    stompSession.send("endpoint", "Hello");
  }
  catch (final Exception ignore) {
  }

  assertEquals(1, tracer.finishedSpans().size());
}
 

public static void main(String[] args) {
    ScheduledExecutorService scheduledService = Executors.newScheduledThreadPool(3);
    //发起连接的次数
    AtomicInteger connectCount = new AtomicInteger();
    //连接成功数
    AtomicInteger successCount = new AtomicInteger();
    //连接失败数
    AtomicInteger errorCount = new AtomicInteger();
    //链接的列表
    List<StompSession> sessionList = new CopyOnWriteArrayList<>();
    //订阅的列表
    List<StompSession.Subscription> subscriptionList = new CopyOnWriteArrayList<>();


    //连接并订阅
    String url = "ws://localhost:8080/my-websocket?access_token=b90b0e77-63cf-4b05-8d8b-43ebefc71a6a";
    Runnable connectRunnable = newConnectAndSubscribeRunnable(url, connectCount, successCount, errorCount, sessionList, subscriptionList);
    scheduledService.scheduleAtFixedRate(connectRunnable, 0, 1000, TimeUnit.MILLISECONDS);//1秒间隔 一次新连接

    //发送消息
    Runnable sendMessageRunnable = newSendMessageRunnable(sessionList);
    scheduledService.scheduleAtFixedRate(sendMessageRunnable, 0, 1000, TimeUnit.MILLISECONDS);//1秒间隔 所有会话发送消息
    scheduledService.scheduleAtFixedRate(() -> {
        //每次5 秒打印一次详情
        logger.info("  连接数：" + connectCount + "  成功数：" + successCount + "  失败数：" + errorCount);
    }, 5, 5, TimeUnit.SECONDS);
}
 

@Test
public void shouldCreateASubscription() throws Exception {
	StompSession session = stompClient.connect(WEBSOCKET_URI, new StompSessionHandlerAdapter() {
	}).get(5, SECONDS);
	Subscription subscription = session.subscribe(WEBSOCKET_TOPIC, new DefaultStompFrameHandler());
	Assert.assertNotNull(subscription.getSubscriptionId());
}
 

@Override
public void afterConnected(StompSession session, StompHeaders connectedHeaders) {
    session.subscribe("/topic/greetings", this);
    session.send("/app/hello", "{\"name\":\"Client\"}".getBytes());

    log.info("New session: {}", session.getSessionId());
}
 

public static void main(String args[]) throws Exception
   {
WebSocketClient simpleWebSocketClient =
    new StandardWebSocketClient();
List<Transport> transports = new ArrayList<>(1);
transports.add(new WebSocketTransport(simpleWebSocketClient));

SockJsClient sockJsClient = new SockJsClient(transports);
WebSocketStompClient stompClient =
    new WebSocketStompClient(sockJsClient);
stompClient.setMessageConverter(new MappingJackson2MessageConverter());

String url = "ws://localhost:9090/chat";
String userId = "spring-" +
    ThreadLocalRandom.current().nextInt(1, 99);
StompSessionHandler sessionHandler = new MyStompSessionHandler(userId);
StompSession session = stompClient.connect(url, sessionHandler)
    .get();
BufferedReader in =
    new BufferedReader(new InputStreamReader(System.in));
for (;;) {
    System.out.print(userId + " >> ");
    System.out.flush();
    String line = in.readLine();
    if ( line == null ) break;
    if ( line.length() == 0 ) continue;
    ClientMessage msg = new ClientMessage(userId, line);
    session.send("/app/chat/java", msg);
}
   }
 

@Test
public void testTracedWebsocketSession()
    throws URISyntaxException, InterruptedException, ExecutionException, TimeoutException {
  WebSocketStompClient stompClient = new WebSocketStompClient(
      new SockJsClient(createTransportClient()));
  stompClient.setMessageConverter(new MappingJackson2MessageConverter());

  StompSession stompSession = stompClient.connect(url, new StompSessionHandlerAdapter() {
  }).get(1, TimeUnit.SECONDS);

  stompSession.subscribe(SUBSCRIBE_GREETINGS_ENDPOINT, new GreetingStompFrameHandler());
  stompSession.send(SEND_HELLO_MESSAGE_ENDPOINT, new HelloMessage("Hi"));

  await().until(() -> mockTracer.finishedSpans().size() == 3);
  List<MockSpan> mockSpans = mockTracer.finishedSpans();

  // test same trace
  assertEquals(mockSpans.get(0).context().traceId(), mockSpans.get(1).context().traceId());
  assertEquals(mockSpans.get(0).context().traceId(), mockSpans.get(2).context().traceId());

  List<MockSpan> sendHelloSpans = mockSpans.stream()
      .filter(s -> s.operationName().equals(SEND_HELLO_MESSAGE_ENDPOINT))
      .collect(Collectors.toList());
  List<MockSpan> subscribeGreetingsEndpointSpans = mockSpans.stream().filter(s ->
      s.operationName().equals(SUBSCRIBE_GREETINGS_ENDPOINT))
      .collect(Collectors.toList());
  List<MockSpan> greetingControllerSpans = mockSpans.stream().filter(s ->
      s.operationName().equals(GreetingController.DOING_WORK))
      .collect(Collectors.toList());
  assertEquals(sendHelloSpans.size(), 1);
  assertEquals(subscribeGreetingsEndpointSpans.size(), 1);
  assertEquals(greetingControllerSpans.size(), 1);
  assertEquals(sendHelloSpans.get(0).context().spanId(), subscribeGreetingsEndpointSpans.get(0).parentId());
  assertEquals(sendHelloSpans.get(0).context().spanId(), greetingControllerSpans.get(0).parentId());
}
 

/**
 * {@inheritDoc}
 */
@Override
public Object postProcessAfterInitialization(Object bean, String beanName) {
    if (bean instanceof StompSession && !(bean instanceof PreservesHeadersStompSessionAdapter)) {
        if (propagationProperties.getStomp().accept(beanName)) {
            log.info("Context propagation enabled for stomp session [{}] on keys={}.", beanName, propagationProperties.getKeys());
            return new PreservesHeadersStompSessionAdapter((StompSession) bean,
                    propagationProperties.buildEntriesFilter(),
                    propagationProperties.buildExtraStaticEntries(eurekaInstanceProperties));
        } else {
            log.debug("Context propagation disabled for stomp session [{}]", beanName);
        }
    }
    return bean;
}
 

@Override
public void afterConnected(StompSession session,
			   StompHeaders connectedHeaders)
{
    System.err.println("Connected! Headers:");
    showHeaders(connectedHeaders);

    subscribeTopic("/topic/messages", session);
    sendJsonMessage(session);
}
 

private void requestNewStream(final StompSession stompSession, long viewId) throws InterruptedException {
    final ConsumeRequest consumeRequest = new ConsumeRequest();
    consumeRequest.setAction("head");
    consumeRequest.setPartitions("0");

    stompSession.send("/websocket/consume/" + viewId, consumeRequest);
}
 

@Test
public void should_skip_stomp_session() {
    PropagationProperties propagationProperties = new PropagationProperties();
    propagationProperties.getStomp().getExcludes().add(compile(beanName));
    processor.setPropagationProperties(propagationProperties);
    processor.setEurekaInstanceProperties(new EurekaInstanceProperties());
    assertThat(processor.postProcessAfterInitialization(mock(StompSession.class), beanName).getClass(), not(equalTo(PreservesHeadersStompSessionAdapter.class)));
}
 

@Override
public void handleException(StompSession session, StompCommand command,
                            StompHeaders headers, byte[] payload, Throwable ex) {
    if (errorHandler != null) {
        errorHandler.handleError(new ProxySessionException(this, session, ex));
    }
}
 

public void unsubscribe(String destination) {
    StompSession.Subscription subscription = subscriptions.remove(destination);
    if (subscription != null) {
        connectIfNecessary();
        subscription.unsubscribe();
    }
}
 

@Test
public void shouldPermitOnPrefixedUriForWebsocketHandshakeEndpoint() throws InterruptedException, ExecutionException, TimeoutException {
    final WebSocketStompClient stompClient = new WebSocketStompClient(new StandardWebSocketClient());

    final StompSession stompSession = stompClient.connect("ws://localhost:" + port + "/" + TestConstant.UI_PATH_PREFIX, new StompSessionHandlerAdapter() {
    }).get(10, TimeUnit.SECONDS);

    assertThat(stompSession.isConnected()).isTrue();
}
 

@Test
public void shouldBeAbleToConnectToAppPrefix() throws InterruptedException, ExecutionException, TimeoutException {
    final WebSocketStompClient stompClient = new WebSocketStompClient(new StandardWebSocketClient());

    final StompSession stompSession = stompClient.connect("ws://localhost:" + port + "/" + TestConstant.UI_PATH_PREFIX, new StompSessionHandlerAdapter() {
    }).get(1000, TimeUnit.SECONDS);

    assertThat(stompSession.isConnected()).isTrue();
}
 

@Test
public void shouldNotMapDestinationToMessageMappingWithoutDestinationPrefix() throws InterruptedException, ExecutionException, TimeoutException {
    final WebSocketStompClient stompClient = new WebSocketStompClient(new StandardWebSocketClient());

    final StompSession stompSession = stompClient.connect("ws://localhost:" + port + "/" + TestConstant.UI_PATH_PREFIX, new StompSessionHandlerAdapter() {
    }).get(10, TimeUnit.SECONDS);

    stompSession.send("/global", null);
    Thread.sleep(1500);
    verify(messagingCallback, timeout(1500).times(0)).global();
}
 

@Override
public void afterConnected(StompSession session, StompHeaders connectedHeaders) {
    logger.info("New session established : " + session.getSessionId());
    session.subscribe("/topic/messages", this);
    logger.info("Subscribed to /topic/messages");
    session.send("/app/chat", getSampleMessage());
    logger.info("Message sent to websocket server");
}
 

@Test
public void givenValidSession_whenConnected_SendsMessage() {
    StompSession mockSession = Mockito.mock(StompSession.class);
    StompHeaders mockHeader = Mockito.mock(StompHeaders.class);
    MyStompSessionHandler sessionHandler = new MyStompSessionHandler();
    sessionHandler.afterConnected(mockSession, mockHeader);
    Mockito.verify(mockSession).subscribe("/topic/messages", sessionHandler);
    Mockito.verify(mockSession).send(Mockito.anyString(), Mockito.anyObject());
}
 

@Override
public void handleException(StompSession session, StompCommand command,
		StompHeaders headers, byte[] payload, Throwable ex) {

	logger.error(command + " " + headers, ex);
}
 

/**
 * An overloaded version of
 * {@link #connect(String, WebSocketHttpHeaders, StompSessionHandler, Object...)}
 * that accepts a fully prepared {@link java.net.URI}.
 * @param url the url to connect to
 * @param handshakeHeaders the headers for the WebSocket handshake
 * @param connectHeaders headers for the STOMP CONNECT frame
 * @param sessionHandler the STOMP session handler
 * @return a ListenableFuture for access to the session when ready for use
 */
public ListenableFuture<StompSession> connect(URI url, @Nullable WebSocketHttpHeaders handshakeHeaders,
		@Nullable StompHeaders connectHeaders, StompSessionHandler sessionHandler) {

	Assert.notNull(url, "'url' must not be null");
	ConnectionHandlingStompSession session = createSession(connectHeaders, sessionHandler);
	WebSocketTcpConnectionHandlerAdapter adapter = new WebSocketTcpConnectionHandlerAdapter(session);
	getWebSocketClient().doHandshake(adapter, handshakeHeaders, url).addCallback(adapter);
	return session.getSessionFuture();
}
 

@Override
public void handleTransportError(StompSession session, Throwable ex) {
	this.failure.set(ex);
}
 

@Override
public void handleException(StompSession s, StompCommand c, StompHeaders h, byte[] p, Throwable ex) {
	this.failure.set(ex);
}
 

@Override
public void handleTransportError(StompSession session, Throwable exception) {
	logger.error(exception);
}
 

public void subscribe(String destination) throws Exception {
    connectIfNecessary();
    StompSession.Subscription subscription = serverSession.subscribe(destination,
            this);
    subscriptions.put(destination, subscription);
}
 

@Override
public void handleException(StompSession session, StompCommand command, StompHeaders headers, byte[] payload, Throwable exception) {
    logger.error("Got an exception", exception);
}
 

@Override
public void handleTransportError(StompSession session, Throwable exception) {
	logger.error(exception);
}
 

@Override
public void handleException(StompSession session, StompCommand command,
		StompHeaders headers, byte[] payload, Throwable ex) {

	logger.error(command + " " + headers, ex);
}
 

@Override
public void handleException(StompSession session, StompCommand command,
		StompHeaders headers, byte[] payload, Throwable ex) {

	logger.error(command + " " + headers, ex);
}