Example usage for org.springframework.integration.ip.tcp TcpReceivingChannelAdapter start

Introduction

In this page you can find the example usage for org.springframework.integration.ip.tcp TcpReceivingChannelAdapter start.

Prototype

@Override
    public final void start() 

Source Link

Usage

From source file:org.springframework.integration.ip.tcp.connection.ConnectionFactoryTests.java

public void testObtainConnectionIds(AbstractServerConnectionFactory serverFactory) throws Exception {
    final List<IpIntegrationEvent> events = Collections.synchronizedList(new ArrayList<IpIntegrationEvent>());
    int expectedEvents = serverFactory instanceof TcpNetServerConnectionFactory ? 7 // Listening, + OPEN, CLOSE, EXCEPTION for each side
            : 5; // Listening, + OPEN, CLOSE (but we *might* get exceptions, depending on timing).
    final CountDownLatch serverListeningLatch = new CountDownLatch(1);
    final CountDownLatch eventLatch = new CountDownLatch(expectedEvents);
    ApplicationEventPublisher publisher = new ApplicationEventPublisher() {

        @Override/*from   w ww.jav a2s  .c om*/
        public void publishEvent(ApplicationEvent event) {
            LogFactory.getLog(this.getClass()).trace("Received: " + event);
            events.add((IpIntegrationEvent) event);
            if (event instanceof TcpConnectionServerListeningEvent) {
                serverListeningLatch.countDown();
            }
            eventLatch.countDown();
        }

        @Override
        public void publishEvent(Object event) {

        }

    };
    serverFactory.setBeanName("serverFactory");
    serverFactory.setApplicationEventPublisher(publisher);
    serverFactory = spy(serverFactory);
    final CountDownLatch serverConnectionInitLatch = new CountDownLatch(1);
    doAnswer(invocation -> {
        Object result = invocation.callRealMethod();
        serverConnectionInitLatch.countDown();
        return result;
    }).when(serverFactory).wrapConnection(any(TcpConnectionSupport.class));
    ThreadPoolTaskScheduler scheduler = new ThreadPoolTaskScheduler();
    scheduler.setPoolSize(10);
    scheduler.afterPropertiesSet();
    BeanFactory bf = mock(BeanFactory.class);
    when(bf.containsBean(IntegrationContextUtils.TASK_SCHEDULER_BEAN_NAME)).thenReturn(true);
    when(bf.getBean(IntegrationContextUtils.TASK_SCHEDULER_BEAN_NAME, TaskScheduler.class))
            .thenReturn(scheduler);
    serverFactory.setBeanFactory(bf);
    TcpReceivingChannelAdapter adapter = new TcpReceivingChannelAdapter();
    adapter.setOutputChannel(new NullChannel());
    adapter.setConnectionFactory(serverFactory);
    adapter.start();
    assertTrue("Listening event not received", serverListeningLatch.await(10, TimeUnit.SECONDS));
    assertThat(events.get(0), instanceOf(TcpConnectionServerListeningEvent.class));
    assertThat(((TcpConnectionServerListeningEvent) events.get(0)).getPort(), equalTo(serverFactory.getPort()));
    int port = serverFactory.getPort();
    TcpNetClientConnectionFactory clientFactory = new TcpNetClientConnectionFactory("localhost", port);
    clientFactory.registerListener(message -> false);
    clientFactory.setBeanName("clientFactory");
    clientFactory.setApplicationEventPublisher(publisher);
    clientFactory.start();
    TcpConnectionSupport client = clientFactory.getConnection();
    List<String> clients = clientFactory.getOpenConnectionIds();
    assertEquals(1, clients.size());
    assertTrue(clients.contains(client.getConnectionId()));
    assertTrue("Server connection failed to register", serverConnectionInitLatch.await(1, TimeUnit.SECONDS));
    List<String> servers = serverFactory.getOpenConnectionIds();
    assertEquals(1, servers.size());
    assertTrue(serverFactory.closeConnection(servers.get(0)));
    servers = serverFactory.getOpenConnectionIds();
    assertEquals(0, servers.size());
    int n = 0;
    clients = clientFactory.getOpenConnectionIds();
    while (n++ < 100 && clients.size() > 0) {
        Thread.sleep(100);
        clients = clientFactory.getOpenConnectionIds();
    }
    assertEquals(0, clients.size());
    assertTrue(eventLatch.await(10, TimeUnit.SECONDS));
    assertThat("Expected at least " + expectedEvents + " events; got: " + events.size() + " : " + events,
            events.size(), greaterThanOrEqualTo(expectedEvents));

    FooEvent event = new FooEvent(client, "foo");
    client.publishEvent(event);
    assertThat("Expected at least " + expectedEvents + " events; got: " + events.size() + " : " + events,
            events.size(), greaterThanOrEqualTo(expectedEvents + 1));

    try {
        event = new FooEvent(mock(TcpConnectionSupport.class), "foo");
        client.publishEvent(event);
        fail("Expected exception");
    } catch (IllegalArgumentException e) {
        assertTrue("Can only publish events with this as the source".equals(e.getMessage()));
    }

    SocketAddress address = serverFactory.getServerSocketAddress();
    if (address instanceof InetSocketAddress) {
        InetSocketAddress inetAddress = (InetSocketAddress) address;
        assertEquals(port, inetAddress.getPort());
    }
    serverFactory.stop();
    scheduler.shutdown();
}

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From source file:org.springframework.integration.ip.tcp.TcpSendingMessageHandlerTests.java

@Test
public void testNetCrLfClientMode() throws Exception {
    final int port = SocketUtils.findAvailableServerSocket();
    final CountDownLatch latch = new CountDownLatch(1);
    final AtomicBoolean done = new AtomicBoolean();
    Executors.newSingleThreadExecutor().execute(new Runnable() {
        public void run() {
            try {
                ServerSocket server = ServerSocketFactory.getDefault().createServerSocket(port);
                latch.countDown();//from  w w w  .ja v a  2  s.c o  m
                Socket socket = server.accept();
                int i = 0;
                while (true) {
                    byte[] b = new byte[6];
                    readFully(socket.getInputStream(), b);
                    b = ("Reply" + (++i) + "\r\n").getBytes();
                    socket.getOutputStream().write(b);
                }
            } catch (Exception e) {
                if (!done.get()) {
                    e.printStackTrace();
                }
            }
        }
    });
    AbstractConnectionFactory ccf = new TcpNetClientConnectionFactory("localhost", port);
    ByteArrayCrLfSerializer serializer = new ByteArrayCrLfSerializer();
    ccf.setSerializer(serializer);
    ccf.setDeserializer(serializer);
    ccf.setSoTimeout(Integer.MAX_VALUE);
    TcpSendingMessageHandler handler = new TcpSendingMessageHandler();
    handler.setConnectionFactory(ccf);
    TcpReceivingChannelAdapter adapter = new TcpReceivingChannelAdapter();
    adapter.setConnectionFactory(ccf);
    QueueChannel channel = new QueueChannel();
    adapter.setOutputChannel(channel);
    assertTrue(latch.await(10, TimeUnit.SECONDS));
    handler.setClientMode(true);
    handler.setRetryInterval(10000);
    handler.afterPropertiesSet();
    ThreadPoolTaskScheduler taskScheduler = new ThreadPoolTaskScheduler();
    taskScheduler.setPoolSize(1);
    taskScheduler.initialize();
    handler.setTaskScheduler(taskScheduler);
    handler.start();
    adapter.start();
    handler.handleMessage(MessageBuilder.withPayload("Test").build());
    handler.handleMessage(MessageBuilder.withPayload("Test").build());
    Message<?> mOut = channel.receive(10000);
    assertNotNull(mOut);
    assertEquals("Reply1", new String((byte[]) mOut.getPayload()));
    mOut = channel.receive(10000);
    assertNotNull(mOut);
    assertEquals("Reply2", new String((byte[]) mOut.getPayload()));
    done.set(true);
    handler.stop();
    handler.start();
    handler.stop();
}

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