Example usage for org.springframework.integration.ip.tcp.connection TcpNioClientConnectionFactory getConnections

Introduction

In this page you can find the example usage for org.springframework.integration.ip.tcp.connection TcpNioClientConnectionFactory getConnections.

Prototype

protected Map<SocketChannel, TcpNioConnection> getConnections() 

Source Link

Usage

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

@Test
public void testMemoryLeak() throws Exception {
    final CountDownLatch latch = new CountDownLatch(1);
    final AtomicReference<ServerSocket> serverSocket = new AtomicReference<ServerSocket>();
    Executors.newSingleThreadExecutor().execute(() -> {
        try {//from   w  ww .j a v a 2  s  .c om
            ServerSocket server = ServerSocketFactory.getDefault().createServerSocket(0);
            logger.debug(testName.getMethodName() + " starting server for " + server.getLocalPort());
            serverSocket.set(server);
            latch.countDown();
            Socket socket = server.accept();
            byte[] b = new byte[6];
            readFully(socket.getInputStream(), b);
        } catch (Exception e) {
            e.printStackTrace();
        }
    });
    assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    TcpNioClientConnectionFactory factory = new TcpNioClientConnectionFactory("localhost",
            serverSocket.get().getLocalPort());
    factory.setApplicationEventPublisher(nullPublisher);
    factory.setNioHarvestInterval(100);
    factory.start();
    try {
        TcpConnection connection = factory.getConnection();
        Map<SocketChannel, TcpNioConnection> connections = factory.getConnections();
        assertEquals(1, connections.size());
        connection.close();
        assertTrue(!connection.isOpen());
        TestUtils.getPropertyValue(factory, "selector", Selector.class).wakeup();
        int n = 0;
        while (connections.size() > 0) {
            Thread.sleep(100);
            if (n++ > 100) {
                break;
            }
        }
        assertEquals(0, connections.size());
    } catch (Exception e) {
        e.printStackTrace();
        fail("Unexpected exception " + e);
    }
    factory.stop();
    serverSocket.get().close();
}

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