Example usage for java.net Socket isClosed

Introduction

In this page you can find the example usage for java.net Socket isClosed.

Prototype

public boolean isClosed() 

Source Link

Document

Returns the closed state of the socket.

Usage

From source file:org.apache.stratos.python.cartridge.agent.test.PythonAgentTestManager.java

/**
 * Start server socket//  ww w.ja  va 2 s. c  o m
 *
 * @param port
 */
protected void startServerSocket(final int port) {
    Thread socketThread = new Thread(new Runnable() {
        @Override
        public void run() {
            while (true) { // do this infinitely until test is complete
                try {
                    ServerSocket serverSocket = new ServerSocket(port);
                    serverSocketMap.put(port, serverSocket);
                    log.info("Server socket started on port: " + port);
                    Socket socket = serverSocket.accept();
                    log.info("Client connected to [port] " + port);

                    InputStream is = socket.getInputStream();
                    byte[] buffer = new byte[1024];
                    int read;
                    while (true) {
                        if (socket.isClosed()) {
                            log.info("Socket for [port] " + port + " has been closed.");
                            break;
                        }
                        if ((read = is.read(buffer)) != -1) {
                            String output = new String(buffer, 0, read);
                            log.info("Message received for [port] " + port + ", [message] " + output);
                        }
                    }
                } catch (IOException e) {
                    String message = "Could not start server socket: [port] " + port;
                    log.error(message, e);
                    throw new RuntimeException(message, e);
                }
            }
        }
    });
    socketThread.start();
}

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

/**
 * Sends 2 concurrent messages on a shared connection. The GW single threads
 * these requests. The first will timeout; the second should receive its
 * own response, not that for the first.
 * @throws Exception//from w  ww .ja v a 2  s  .  c  o  m
 */
private void testGoodNetGWTimeoutGuts(final int port, AbstractConnectionFactory ccf)
        throws InterruptedException {
    final CountDownLatch latch = new CountDownLatch(1);
    final AtomicBoolean done = new AtomicBoolean();
    /*
     * The payload of the last message received by the remote side;
     * used to verify the correct response is received.
     */
    final AtomicReference<String> lastReceived = new AtomicReference<String>();
    final CountDownLatch serverLatch = new CountDownLatch(2);

    Executors.newSingleThreadExecutor().execute(new Runnable() {

        public void run() {
            try {
                ServerSocket server = ServerSocketFactory.getDefault().createServerSocket(port);
                latch.countDown();
                int i = 0;
                while (!done.get()) {
                    Socket socket = server.accept();
                    i++;
                    while (!socket.isClosed()) {
                        try {
                            ObjectInputStream ois = new ObjectInputStream(socket.getInputStream());
                            String request = (String) ois.readObject();
                            logger.debug("Read " + request);
                            ObjectOutputStream oos = new ObjectOutputStream(socket.getOutputStream());
                            if (i < 2) {
                                Thread.sleep(1000);
                            }
                            oos.writeObject(request.replace("Test", "Reply"));
                            logger.debug("Replied to " + request);
                            lastReceived.set(request);
                            serverLatch.countDown();
                        } catch (IOException e) {
                            logger.debug("error on write " + e.getClass().getSimpleName());
                            socket.close();
                        }
                    }
                }
            } catch (Exception e) {
                if (!done.get()) {
                    e.printStackTrace();
                }
            }
        }
    });
    assertTrue(latch.await(10000, TimeUnit.MILLISECONDS));
    final TcpOutboundGateway gateway = new TcpOutboundGateway();
    gateway.setConnectionFactory(ccf);
    gateway.setRequestTimeout(Integer.MAX_VALUE);
    QueueChannel replyChannel = new QueueChannel();
    gateway.setRequiresReply(true);
    gateway.setOutputChannel(replyChannel);
    gateway.setRemoteTimeout(500);
    @SuppressWarnings("unchecked")
    Future<Integer>[] results = new Future[2];
    for (int i = 0; i < 2; i++) {
        final int j = i;
        results[j] = (Executors.newSingleThreadExecutor().submit(new Callable<Integer>() {
            public Integer call() throws Exception {
                // increase the timeout after the first send
                if (j > 0) {
                    gateway.setRemoteTimeout(5000);
                }
                gateway.handleMessage(MessageBuilder.withPayload("Test" + j).build());
                return j;
            }
        }));
        Thread.sleep(50);
    }
    // wait until the server side has processed both requests
    assertTrue(serverLatch.await(10, TimeUnit.SECONDS));
    List<String> replies = new ArrayList<String>();
    int timeouts = 0;
    for (int i = 0; i < 2; i++) {
        try {
            int result = results[i].get();
            String reply = (String) replyChannel.receive(1000).getPayload();
            logger.debug(i + " got " + result + " " + reply);
            replies.add(reply);
        } catch (ExecutionException e) {
            if (timeouts >= 2) {
                fail("Unexpected " + e.getMessage());
            } else {
                assertNotNull(e.getCause());
                assertTrue(e.getCause() instanceof MessageTimeoutException);
            }
            timeouts++;
            continue;
        }
    }
    assertEquals("Expected exactly one ExecutionException", 1, timeouts);
    assertEquals(1, replies.size());
    assertEquals(lastReceived.get().replace("Test", "Reply"), replies.get(0));
    done.set(true);
    assertEquals(0, TestUtils.getPropertyValue(gateway, "pendingReplies", Map.class).size());
    gateway.stop();
}

---

From source file:br.gov.frameworkdemoiselle.monitoring.internal.implementation.zabbix.ZabbixSender.java

/**
 * Retrieves all active checks configured in the server.
 * /*  w  w  w  . j a  va  2s .c  o m*/
 * @param hostname
 * @return   List<ActiveCheck>
 * @throws IOException
 */
public List<ActiveCheck> getActiveChecks(String hostname) throws IOException {

    List<ActiveCheck> list = new ArrayList<ActiveCheck>();

    Socket socket = null;
    OutputStream out = null;
    BufferedReader brin = null;

    try {
        socket = new Socket(zabbixServer, zabbixPort);
        socket.setSoTimeout(TIMEOUT);

        out = socket.getOutputStream();
        brin = new BufferedReader(new InputStreamReader(socket.getInputStream()));

        // send request to Zabbix server and wait for the list of items to be returned
        out.write(createGetActiveChecksRequest(hostname));

        while (!socket.isClosed()) {
            String line = brin.readLine();

            if (line == null)
                break;

            // all active checks received
            if (line.startsWith(ZBX_EOF))
                break;

            list.add(parseActiveCheck(hostname, line));
        }

    } finally {
        if (brin != null) {
            brin.close();
        }
        if (out != null) {
            out.close();
        }
        if (socket != null) {
            socket.close();
        }
    }

    return list;
}

---

From source file:org.unitime.timetable.solver.remote.RemoteSolverServerProxy.java

public Socket leaseConnection() throws Exception {
    synchronized (iSocketPool) {
        if (iSocketPool.isEmpty() && iSocketPool.size() + iLeasedSockets.size() < sMaxPoolSize) {
            Socket socket = ConnectionFactory.getSocketFactory().createSocket(iAddress.getHostName(), iPort);
            ;//from  w  ww  .j  a  va  2 s  .c  om
            sLog.debug("-- connection " + this + "@" + socket.getLocalPort() + " created");
            iLeasedSockets.addElement(socket);
            return socket;
        }
        while (true) {
            if (!iSocketPool.isEmpty()) {
                Socket socket = (Socket) iSocketPool.firstElement();
                iSocketPool.removeElement(socket);
                if (socket.isClosed()) {
                    socket = ConnectionFactory.getSocketFactory().createSocket(iAddress.getHostName(), iPort);
                    ;
                    sLog.debug("-- connection " + this + "@" + socket.getLocalPort() + " created (reconnect)");
                }
                iLeasedSockets.addElement(socket);
                return socket;
            }
            iSocketPool.wait();
        }
    }
}

---

From source file:com.android.emailcommon.utility.SSLSocketFactory.java

/**
 * Checks whether a socket connection is secure.
 * This factory creates TLS/SSL socket connections
 * which, by default, are considered secure.
 * <br/>/*  w w w .j  av  a2  s .co  m*/
 * Derived classes may override this method to perform
 * runtime checks, for example based on the cypher suite.
 *
 * @param sock      the connected socket
 *
 * @return  <code>true</code>
 *
 * @throws IllegalArgumentException if the argument is invalid
 */
@Override
public boolean isSecure(Socket sock) throws IllegalArgumentException {

    if (sock == null) {
        throw new IllegalArgumentException("Socket may not be null.");
    }
    // This instanceof check is in line with createSocket() above.
    if (!(sock instanceof SSLSocket)) {
        throw new IllegalArgumentException("Socket not created by this factory.");
    }
    // This check is performed last since it calls the argument object.
    if (sock.isClosed()) {
        throw new IllegalArgumentException("Socket is closed.");
    }

    return true;

}

---

From source file:org.wso2.carbon.automation.extensions.servers.webserver.SimpleWebServer.java

public void run() {
    ServerSocket serverSocket = null;
    Socket connectionSocket = null;
    try {//from www.j  ava 2  s. co m
        log.info("Trying to bind to localhost on port " + Integer.toString(port) + "...");
        serverSocket = new ServerSocket(port);
        log.info("Running Simple WebServer!\n");
        connectionSocket = serverSocket.accept();
        connectionSocket.setSoTimeout(30000);
        //go in a infinite loop, wait for connections, process request, send response
        while (running) {
            log.info("\nReady, Waiting for requests...\n");
            try {
                //this call waits/blocks until someone connects to the port we
                BufferedReader input;
                if (!connectionSocket.isClosed()) {
                    InetAddress client = connectionSocket.getInetAddress();
                    log.info(client.getHostName() + " connected to server.\n");
                    input = new BufferedReader(
                            new InputStreamReader(connectionSocket.getInputStream(), Charset.defaultCharset()));
                    if (input.ready()) {
                        DataOutputStream output = new DataOutputStream(connectionSocket.getOutputStream());
                        httpHandler(input, output);
                    }
                }
                //Prepare a outputStream. This will be used sending back our response
                //(header + requested file) to the client.
            } catch (Exception e) { //catch any errors, and print them
                log.info("\nError:" + e.getMessage());
                running = false;
            }
        }
    } catch (Exception e) {
        log.error("\nFatal Error:" + e.getMessage());
        running = false;
    } finally {
        try {
            if (connectionSocket != null) {
                connectionSocket.close();
                serverSocket.close();
            }
        } catch (IOException e) {
            log.error("Error while shutting down server sockets", e);
        }
    }
}

---

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

private TcpConnectionSupport mockedTcpNetConnection() throws IOException {
    Socket socket = mock(Socket.class);
    when(socket.isClosed()).thenReturn(true); // closed when next retrieved
    OutputStream stream = mock(OutputStream.class);
    doThrow(new IOException("Foo")).when(stream).write(any(byte[].class), anyInt(), anyInt());
    when(socket.getOutputStream()).thenReturn(stream);
    TcpNetConnection conn = new TcpNetConnection(socket, false, false, new ApplicationEventPublisher() {

        @Override/*from ww w.java  2s.c o  m*/
        public void publishEvent(ApplicationEvent event) {
        }

        @Override
        public void publishEvent(Object event) {

        }

    }, "foo");
    conn.setMapper(new TcpMessageMapper());
    conn.setSerializer(new ByteArrayCrLfSerializer());
    return conn;
}

---

From source file:com.thejoshwa.ultrasonic.androidapp.service.ssl.SSLSocketFactory.java

/**
 * Checks whether a socket connection is secure.
 * This factory creates TLS/SSL socket connections
 * which, by default, are considered secure.
 * <br/>/*from   ww  w.j  a v  a 2  s .c o  m*/
 * Derived classes may override this method to perform
 * runtime checks, for example based on the cypher suite.
 *
 * @param sock      the connected socket
 *
 * @return  <code>true</code>
 *
 * @throws IllegalArgumentException if the argument is invalid
 */
public boolean isSecure(final Socket sock) throws IllegalArgumentException {
    if (sock == null) {
        throw new IllegalArgumentException("Socket may not be null");
    }
    // This instanceof check is in line with createSocket() above.
    if (!(sock instanceof SSLSocket)) {
        throw new IllegalArgumentException("Socket not created by this factory");
    }
    // This check is performed last since it calls the argument object.
    if (sock.isClosed()) {
        throw new IllegalArgumentException("Socket is closed");
    }
    return true;
}

---

From source file:org.apache.stratos.python.cartridge.agent.integration.tests.PythonAgentIntegrationTest.java

/**
 * Start server socket/*ww w  .  j a va 2  s. co  m*/
 *
 * @param port Port number of server socket to be started
 */
protected void startServerSocket(final int port) {
    Thread socketThread = new Thread(new Runnable() {
        @Override
        public void run() {
            try {
                ServerSocket serverSocket = new ServerSocket(port);
                serverSocketMap.put(port, serverSocket);
                log.info("Server socket started on port: " + port);
                Socket socket = serverSocket.accept();
                log.info("Client connected to [port] " + port);

                InputStream is = socket.getInputStream();
                byte[] buffer = new byte[1024];
                int read;
                while (!socket.isClosed()) {
                    if ((read = is.read(buffer)) != -1) {
                        String output = new String(buffer, 0, read);
                        log.info("Message received for [port] " + port + ", [message] " + output);
                    }
                }
            } catch (IOException e) {
                String message = "Could not start server socket: [port] " + port;
                log.error(message, e);
                throw new RuntimeException(message, e);
            }
        }
    });
    socketThread.start();
}

---

From source file:com.isecpartners.gizmo.HttpRequest.java

void passThroughAllBits() {
    try {//www  .j a  v  a  2 s.  c  o m
        Socket destinationHost = new Socket(host, port);
        byte[] buf = new byte[1024];
        boolean didNothing = true;
        while (!this.sock.isClosed() && !destinationHost.isClosed()) {
            didNothing = true;
            if (sock.getInputStream().available() > 0) {
                int b = sock.getInputStream().read(buf);
                destinationHost.getOutputStream().write(buf, 0, b);
                didNothing = false;
            }
            if (destinationHost.getInputStream().available() > 0) {
                int b = destinationHost.getInputStream().read(buf);
                sock.getOutputStream().write(buf, 0, b);
                didNothing = false;
            }
            if (didNothing) {
                try {
                    Thread.sleep(100);
                } catch (InterruptedException ex) {
                    Logger.getLogger(HttpRequest.class.getName()).log(Level.SEVERE, null, ex);
                }
            }
        }
        this.sock.close();
        destinationHost.close();
    } catch (UnknownHostException ex) {
        Logger.getLogger(HttpRequest.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IOException ex) {
        Logger.getLogger(HttpRequest.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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